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Fixed AMRR issue with only one Tx antenna and MCS32
[ralink_drivers/rt2870_fbsd8.git] / rt2870.c
blobc6dbdcae686273396aa71016b684dd5979e94eb2
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 /*
77 * Data structures and types
78 */
79
80 struct rt2870_cmd_argv_keydelete
81 {
82 struct ieee80211_key key;
83 uint16_t associd;
84 };
85
86 /*
87 * Static function prototypes
88 */
89
90 static void rt2870_init_channels(struct rt2870_softc *sc);
91
92 static void rt2870_init_channels_ht40(struct rt2870_softc *sc);
93
94 static void rt2870_init_locked(void *priv);
95
96 static void rt2870_init(void *priv);
97
98 static int rt2870_init_bbp(struct rt2870_softc *sc);
99
100 static void rt2870_stop_locked(void *priv);
101
102 static void rt2870_stop(void *priv);
103
104 static void rt2870_start(struct ifnet *ifp);
105
106 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
107
108 static struct ieee80211vap *rt2870_vap_create(struct ieee80211com *ic,
109 const char name[IFNAMSIZ], int unit, int opmode, int flags,
110 const uint8_t bssid[IEEE80211_ADDR_LEN],
111 const uint8_t mac[IEEE80211_ADDR_LEN]);
112
113 static void rt2870_vap_delete(struct ieee80211vap *vap);
114
115 static int rt2870_vap_reset(struct ieee80211vap *vap, u_long cmd);
116
117 static int rt2870_vap_newstate(struct ieee80211vap *vap,
118 enum ieee80211_state nstate, int arg);
119
120 static void rt2870_vap_key_update_begin(struct ieee80211vap *vap);
121
122 static void rt2870_vap_key_update_end(struct ieee80211vap *vap);
123
124 static int rt2870_vap_key_set(struct ieee80211vap *vap,
125 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN]);
126
127 static int rt2870_vap_key_delete(struct ieee80211vap *vap,
128 const struct ieee80211_key *k);
129
130 static void rt2870_vap_update_beacon(struct ieee80211vap *vap, int what);
131
132 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211vap *vap,
133 const uint8_t mac[IEEE80211_ADDR_LEN]);
134
135 static int rt2870_setregdomain(struct ieee80211com *ic,
136 struct ieee80211_regdomain *reg,
137 int nchans, struct ieee80211_channel chans[]);
138
139 static void rt2870_getradiocaps(struct ieee80211com *ic,
140 int maxchans, int *nchans, struct ieee80211_channel chans[]);
141
142 static void rt2870_scan_start(struct ieee80211com *ic);
143
144 static void rt2870_scan_end(struct ieee80211com *ic);
145
146 static void rt2870_set_channel(struct ieee80211com *ic);
147
148 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew);
149
150 static void rt2870_updateslot(struct ifnet *ifp);
151
152 static void rt2870_update_promisc(struct ifnet *ifp);
153
154 static void rt2870_update_mcast(struct ifnet *ifp);
155
156 static int rt2870_wme_update(struct ieee80211com *ic);
157
158 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
159 const struct ieee80211_bpf_params *params);
160
161 static int rt2870_recv_action(struct ieee80211_node *ni,
162 const struct ieee80211_frame *wh,
163 const uint8_t *frm, const uint8_t *efrm);
164
165 static int rt2870_send_action(struct ieee80211_node *ni,
166 int cat, int act, void *sa);
167
168 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
169
170 static void rt2870_periodic(void *arg);
171
172 static void rt2870_tx_watchdog(void *arg);
173
174 static int rt2870_do_async(struct rt2870_softc *sc,
175 void (*cb)(struct rt2870_softc *sc, void *arg),
176 void *arg, int len);
177
178 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg);
179
180 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg);
181
182 static void rt2870_vap_key_delete_cb(struct rt2870_softc *sc, void *arg);
183
184 static void rt2870_vap_update_beacon_cb(struct rt2870_softc *sc, void *arg);
185
186 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
187 const uint8_t *bssid);
188
189 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
190 const uint8_t *addr);
191
192 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc);
193
194 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc);
195
196 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc);
197
198 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc);
199
200 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc);
201
202 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc);
203
204 static void rt2870_asic_update_txpower(struct rt2870_softc *sc);
205
206 static void rt2870_asic_update_promisc(struct rt2870_softc *sc);
207
208 static void rt2870_asic_updateprot(struct rt2870_softc *sc);
209
210 static void rt2870_asic_updateslot(struct rt2870_softc *sc);
211
212 static void rt2870_asic_wme_update(struct rt2870_softc *sc);
213
214 static int rt2870_asic_update_beacon(struct rt2870_softc *sc,
215 struct ieee80211vap *vap);
216
217 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc);
218
219 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi);
220
221 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
222 const struct rt2870_rxwi *rxwi);
223
224 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
225 uint8_t rssi, uint8_t rxpath);
226
227 static uint8_t rt2870_rate2mcs(uint8_t rate);
228
229 static void rt2870_rx_frame(struct rt2870_softc *sc,
230 uint8_t *buf, uint32_t dmalen);
231
232 static int rt2870_tx_mgmt(struct rt2870_softc *sc,
233 struct mbuf *m, struct ieee80211_node *ni, int qid);
234
235 static int rt2870_tx_data(struct rt2870_softc *sc,
236 struct mbuf *m, struct ieee80211_node *ni, int qid);
237
238 static int rt2870_tx_raw(struct rt2870_softc *sc,
239 struct mbuf *m, struct ieee80211_node *ni,
240 const struct ieee80211_bpf_params *params);
241
242 static void rt2870_rx_intr(struct usb_xfer *xfer, usb_error_t error);
243
244 static void rt2870_tx_intr(struct usb_xfer *xfer, usb_error_t error);
245
246 static void rt2870_rx_done_task(void *context, int pending);
247
248 static void rt2870_tx_done_task(void *context, int pending);
249
250 static void rt2870_periodic_task(void *context, int pending);
251
252 static void rt2870_cmd_task(void *context, int pending);
253
254 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit);
255
256 static void rt2870_tx_eof(struct rt2870_softc *sc,
257 struct rt2870_softc_tx_ring *ring);
258
259 static void rt2870_update_stats(struct rt2870_softc *sc);
260
261 static void rt2870_bbp_tuning(struct rt2870_softc *sc);
262
263 static void rt2870_watchdog(struct rt2870_softc *sc);
264
265 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc);
266
267 static void rt2870_update_raw_counters(struct rt2870_softc *sc);
268
269 static int rt2870_txrx_enable(struct rt2870_softc *sc);
270
271 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
272 struct rt2870_softc_rx_ring *ring);
273
274 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
275 struct rt2870_softc_rx_ring *ring);
276
277 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
278 struct rt2870_softc_rx_ring *ring);
279
280 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
281 struct rt2870_softc_tx_ring *ring, int qid);
282
283 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
284 struct rt2870_softc_tx_ring *ring);
285
286 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
287 struct rt2870_softc_tx_ring *ring);
288
289 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
290 struct rt2870_softc_cmd_ring *ring);
291
292 static void rt2870_sysctl_attach(struct rt2870_softc *sc);
293
294 /*
295 * Static variables
296 */
297
298 static const struct usb_device_id rt2870_usb_devid[] =
299 {
300 { USB_VP(USB_VENDOR_LINKSYS4, USB_PRODUCT_LINKSYS4_WUSB600N) }, /* Linksys WUSB600N */
301 { USB_VP(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA140) }, /* D-Link DWA-140 */
302 { USB_VP(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA160AREVB) }, /* D-Link DWA-160A Rev. B */
303 { USB_VP(USB_VENDOR_ASUS, USB_PRODUCT_ASUS_RT2770F) }, /* Asus RT2770F */
304 { USB_VP(USB_VENDOR_RALINK, USB_PRODUCT_RALINK_RT2770) }, /* Ralink RT2770 */
305 };
306
307 static const struct usb_config rt2870_usb_config[RT2870_SOFTC_USB_XFER_COUNT] =
308 {
309 {
310 .type = UE_BULK,
311 .endpoint = 0x01,
312 .direction = UE_DIR_IN,
313 .bufsize = RT2870_USB_RX_BULK_BUFLEN,
314 .flags = { .ext_buffer = 1, .pipe_bof = 1, .short_xfer_ok = 1, },
315 .callback = rt2870_rx_intr,
316 },
317 {
318 .type = UE_BULK,
319 .endpoint = 0x01,
320 .direction = UE_DIR_OUT,
321 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
322 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
323 .callback = rt2870_tx_intr,
324 .timeout = RT2870_USB_XFER_TIMEOUT,
325 },
326 {
327 .type = UE_BULK,
328 .endpoint = 0x02,
329 .direction = UE_DIR_OUT,
330 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
331 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
332 .callback = rt2870_tx_intr,
333 .timeout = RT2870_USB_XFER_TIMEOUT,
334 },
335 {
336 .type = UE_BULK,
337 .endpoint = 0x03,
338 .direction = UE_DIR_OUT,
339 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
340 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
341 .callback = rt2870_tx_intr,
342 .timeout = RT2870_USB_XFER_TIMEOUT,
343 },
344 {
345 .type = UE_BULK,
346 .endpoint = 0x04,
347 .direction = UE_DIR_OUT,
348 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
349 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
350 .callback = rt2870_tx_intr,
351 .timeout = RT2870_USB_XFER_TIMEOUT,
352 },
353 {
354 .type = UE_BULK,
355 .endpoint = 0x05,
356 .direction = UE_DIR_OUT,
357 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
358 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
359 .callback = rt2870_tx_intr,
360 .timeout = RT2870_USB_XFER_TIMEOUT,
361 },
362 {
363 .type = UE_BULK,
364 .endpoint = 0x06,
365 .direction = UE_DIR_OUT,
366 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
367 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
368 .callback = rt2870_tx_intr,
369 .timeout = RT2870_USB_XFER_TIMEOUT,
370 },
371 };
372
373 static const struct
374 {
375 uint32_t reg;
376 uint32_t val;
377 } rt2870_def_mac[] =
378 {
379 { RT2870_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
380 { RT2870_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
381 { RT2870_REG_LEGACY_BASIC_RATE, 0x0000013f },
382 { RT2870_REG_HT_BASIC_RATE, 0x00008003 },
383 { RT2870_REG_SYS_CTRL, 0x00000000 },
384 { RT2870_REG_RX_FILTER_CFG, 0x00017f97 },
385 { RT2870_REG_BKOFF_SLOT_CFG, 0x00000209 },
386 { RT2870_REG_TX_SW_CFG0, 0x00000000 },
387 { RT2870_REG_TX_SW_CFG1, 0x00080606 },
388 { RT2870_REG_TX_LINK_CFG, 0x00001020 },
389 { RT2870_REG_TX_TIMEOUT_CFG, 0x000a2090 },
390 { RT2870_REG_MAX_LEN_CFG, (1 << 12) | RT2870_MAX_AGG_SIZE },
391 { RT2870_REG_LED_CFG, 0x7f031e46 },
392 { RT2870_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
393 { RT2870_REG_TX_RTY_CFG, 0x47d01f0f },
394 { RT2870_REG_AUTO_RSP_CFG, 0x00000013 },
395 { RT2870_REG_TX_CCK_PROT_CFG, 0x05740003 },
396 { RT2870_REG_TX_OFDM_PROT_CFG, 0x05740003 },
397 { RT2870_REG_PBF_CFG, 0x00f40006 },
398 { RT2870_REG_TX_MM40_PROT_CFG, 0x03f44084 },
399 { RT2870_REG_SCHDMA_WPDMA_GLO_CFG, 0x00000030 },
400 { RT2870_REG_TX_GF20_PROT_CFG, 0x01744004 },
401 { RT2870_REG_TX_GF40_PROT_CFG, 0x03f44084 },
402 { RT2870_REG_TX_MM20_PROT_CFG, 0x01744004 },
403 { RT2870_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
404 { RT2870_REG_TX_RTS_CFG, 0x00092b20 },
405 { RT2870_REG_TX_EXP_ACK_TIME, 0x002400ca },
406 { RT2870_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
407 { RT2870_REG_XIFS_TIME_CFG, 0x33a41010 },
408 { RT2870_REG_PWR_PIN_CFG, 0x00000003 },
409 { RT2870_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
410 { RT2870_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
411 { RT2870_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
412 };
413
414 #define RT2870_DEF_MAC_SIZE (sizeof(rt2870_def_mac) / sizeof(rt2870_def_mac[0]))
415
416 static const struct
417 {
418 uint8_t reg;
419 uint8_t val;
420 } rt2870_def_bbp[] =
421 {
422 { 65, 0x2c },
423 { 66, 0x38 },
424 { 69, 0x12 },
425 { 70, 0x0a },
426 { 73, 0x10 },
427 { 81, 0x37 },
428 { 82, 0x62 },
429 { 83, 0x6a },
430 { 84, 0x99 },
431 { 86, 0x00 },
432 { 91, 0x04 },
433 { 92, 0x00 },
434 { 103, 0x00 },
435 { 105, 0x05 },
436 { 106, 0x35 },
437 };
438
439 #define RT2870_DEF_BBP_SIZE (sizeof(rt2870_def_bbp) / sizeof(rt2870_def_bbp[0]))
440
441 SYSCTL_NODE(_hw, OID_AUTO, rt2870, CTLFLAG_RD, 0, "RT2870 driver parameters");
442
443 #ifdef RT2870_DEBUG
444 static int rt2870_debug = 0;
445 SYSCTL_INT(_hw_rt2870, OID_AUTO, debug, CTLFLAG_RW, &rt2870_debug, 0, "rt2870 debug level");
446 TUNABLE_INT("hw.rt2870.debug", &rt2870_debug);
447 #endif
448
449 /*
450 * rt2870_probe
451 */
452 static int rt2870_probe(device_t dev)
453 {
454 struct usb_attach_arg *uaa;
455
456 uaa = device_get_ivars(dev);
457
458 if (uaa->usb_mode != USB_MODE_HOST)
459 return ENXIO;
460
461 if (uaa->info.bConfigIndex != RT2870_USB_CONFIG_INDEX)
462 return ENXIO;
463
464 if (uaa->info.bIfaceIndex != RT2870_USB_IFACE_INDEX)
465 return ENXIO;
466
467 return (usbd_lookup_id_by_uaa(rt2870_usb_devid,
468 sizeof(rt2870_usb_devid), uaa));
469 }
470
471 /*
472 * rt2870_attach
473 */
474 static int rt2870_attach(device_t dev)
475 {
476 struct rt2870_softc *sc;
477 struct usb_attach_arg *uaa;
478 usb_error_t usb_error;
479 struct ieee80211com *ic;
480 struct ifnet *ifp;
481 struct usb_interface *iface;
482 struct usb_interface_descriptor *iface_desc;
483 uint8_t iface_index;
484 int error, ntries, i;
485
486 sc = device_get_softc(dev);
487 uaa = device_get_ivars(dev);
488
489 sc->dev = dev;
490 sc->usb_dev = uaa->device;
491
492 device_set_usb_desc(dev);
493
494 #ifdef RT2870_DEBUG
495 sc->debug = rt2870_debug;
496
497 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
498 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
499 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2870 debug level");
500 #endif
501
502 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
503 "%s: attaching\n",
504 device_get_nameunit(sc->dev));
505
506 iface_index = RT2870_USB_IFACE_INDEX;
507
508 iface = usbd_get_iface(uaa->device, iface_index);
509 if (iface == NULL)
510 {
511 printf("%s: could not get USB interface\n",
512 device_get_nameunit(sc->dev));
513 return ENXIO;
514 }
515
516 iface_desc = usbd_get_interface_descriptor(iface);
517 if (iface_desc == NULL)
518 {
519 printf("%s: could not get USB interface descriptor\n",
520 device_get_nameunit(sc->dev));
521 return ENXIO;
522 }
523
524 sc->usb_endpoints = iface_desc->bNumEndpoints;
525 if ((sc->usb_endpoints != RT2870_SOFTC_USB_XFER_COUNT) &&
526 (sc->usb_endpoints != RT2870_SOFTC_USB_XFER_COUNT - 2))
527 {
528 printf("%s: wrong number of USB endpoints=%d\n",
529 device_get_nameunit(sc->dev), sc->usb_endpoints);
530 return ENXIO;
531 }
532
533 mtx_init(&sc->lock, device_get_nameunit(dev),
534 MTX_NETWORK_LOCK, MTX_DEF);
535
536 usb_error = usbd_transfer_setup(uaa->device, &iface_index,
537 sc->usb_xfer, rt2870_usb_config, sc->usb_endpoints,
538 sc, &sc->lock);
539 if (usb_error != 0)
540 {
541 printf("%s: could not allocate USB transfers: error=%s\n",
542 device_get_nameunit(sc->dev), usbd_errstr(usb_error));
543 error = ENXIO;
544 goto fail;
545 }
546
547 RT2870_SOFTC_LOCK(sc);
548
549 for (ntries = 0; ntries < 100; ntries++)
550 {
551 sc->mac_rev = rt2870_io_mac_read(sc, RT2870_REG_MAC_CSR0);
552 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
553 break;
554
555 DELAY(10);
556 }
557
558 if (ntries == 100)
559 {
560 printf("%s: timeout waiting for NIC to initialize\n",
561 device_get_nameunit(sc->dev));
562 error = ENXIO;
563 goto fail;
564 }
565
566 rt2870_read_eeprom(sc);
567
568 RT2870_SOFTC_UNLOCK(sc);
569
570 printf("%s: MAC/BBP RT2870 (rev 0x%08x), RF %s\n",
571 device_get_nameunit(sc->dev), sc->mac_rev,
572 rt2870_rf_name(sc->rf_rev));
573
574 /* allocate Tx and Rx rings */
575
576 for (i = 0; i < sc->usb_endpoints - 1; i++)
577 {
578 error = rt2870_alloc_tx_ring(sc, &sc->tx_ring[i], i);
579 if (error != 0)
580 {
581 printf("%s: could not allocate Tx ring #%d\n",
582 device_get_nameunit(sc->dev), i);
583 goto fail;
584 }
585 }
586
587 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
588 sc->tx_ring_mgtqid = 5;
589 else
590 sc->tx_ring_mgtqid = 0;
591
592 error = rt2870_alloc_rx_ring(sc, &sc->rx_ring);
593 if (error != 0)
594 {
595 printf("%s: could not allocate Rx ring\n",
596 device_get_nameunit(sc->dev));
597 goto fail;
598 }
599
600 callout_init(&sc->periodic_ch, 0);
601 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
602
603 ifp = sc->ifp = if_alloc(IFT_IEEE80211);
604 if (ifp == NULL)
605 {
606 printf("%s: could not if_alloc()\n",
607 device_get_nameunit(sc->dev));
608 error = ENOMEM;
609 goto fail;
610 }
611
612 ifp->if_softc = sc;
613
614 if_initname(ifp, "rt2870", device_get_unit(sc->dev));
615
616 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
617
618 ifp->if_init = rt2870_init;
619 ifp->if_ioctl = rt2870_ioctl;
620 ifp->if_start = rt2870_start;
621
622 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
623 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
624 IFQ_SET_READY(&ifp->if_snd);
625
626 ic = ifp->if_l2com;
627
628 ic->ic_ifp = ifp;
629
630 ic->ic_phytype = IEEE80211_T_HT;
631 ic->ic_opmode = IEEE80211_M_STA;
632
633 ic->ic_caps = IEEE80211_C_MONITOR |
634 IEEE80211_C_IBSS |
635 IEEE80211_C_STA |
636 IEEE80211_C_AHDEMO |
637 IEEE80211_C_HOSTAP |
638 IEEE80211_C_WDS |
639 IEEE80211_C_MBSS |
640 /* IEEE80211_C_BGSCAN | */
641 IEEE80211_C_TXPMGT |
642 IEEE80211_C_SHPREAMBLE |
643 IEEE80211_C_SHSLOT |
644 IEEE80211_C_TXFRAG |
645 IEEE80211_C_BURST |
646 IEEE80211_C_WME |
647 IEEE80211_C_WPA;
648
649 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP |
650 IEEE80211_CRYPTO_TKIP |
651 IEEE80211_CRYPTO_TKIPMIC |
652 IEEE80211_CRYPTO_AES_CCM;
653
654 ic->ic_htcaps = IEEE80211_HTC_HT |
655 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
656 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
657 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
658 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
659 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
660 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
661 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
662 IEEE80211_HTCAP_DSSSCCK40; /* HT 40MHz DSSS/CCK modulation */
663
664 /* spatial streams */
665
666 if (sc->nrxpath == 2)
667 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
668 else if (sc->nrxpath == 3)
669 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
670 else
671 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
672
673 if (sc->ntxpath > 1)
674 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
675
676 /* delayed BA */
677
678 if (sc->mac_rev != 0x28600100)
679 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
680
681 /* init channels */
682
683 ic->ic_nchans = 0;
684
685 rt2870_init_channels(sc);
686
687 rt2870_init_channels_ht40(sc);
688
689 ieee80211_ifattach(ic, sc->mac_addr);
690
691 ic->ic_vap_create = rt2870_vap_create;
692 ic->ic_vap_delete = rt2870_vap_delete;
693
694 ic->ic_node_alloc = rt2870_node_alloc;
695 ic->ic_setregdomain = rt2870_setregdomain;
696 ic->ic_getradiocaps = rt2870_getradiocaps;
697 ic->ic_scan_start = rt2870_scan_start;
698 ic->ic_scan_end = rt2870_scan_end;
699 ic->ic_set_channel = rt2870_set_channel;
700 ic->ic_newassoc = rt2870_newassoc;
701 ic->ic_updateslot = rt2870_updateslot;
702 ic->ic_update_promisc = rt2870_update_promisc;
703 ic->ic_update_mcast = rt2870_update_mcast;
704 ic->ic_wme.wme_update = rt2870_wme_update;
705 ic->ic_raw_xmit = rt2870_raw_xmit;
706
707 sc->recv_action = ic->ic_recv_action;
708 ic->ic_recv_action = rt2870_recv_action;
709
710 sc->send_action = ic->ic_send_action;
711 ic->ic_send_action = rt2870_send_action;
712
713 /* hardware requires padding between 802.11 frame header and body */
714
715 ic->ic_flags |= IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
716
717 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
718
719 ieee80211_radiotap_attach(ic,
720 &sc->txtap.ihdr, sizeof(sc->txtap),
721 RT2870_SOFTC_TX_RADIOTAP_PRESENT,
722 &sc->rxtap.ihdr, sizeof(sc->rxtap),
723 RT2870_SOFTC_RX_RADIOTAP_PRESENT);
724
725 /* init task queue */
726
727 TASK_INIT(&sc->rx_done_task, 0, rt2870_rx_done_task, sc);
728 TASK_INIT(&sc->tx_done_task, 0, rt2870_tx_done_task, sc);
729 TASK_INIT(&sc->periodic_task, 0, rt2870_periodic_task, sc);
730 TASK_INIT(&sc->cmd_task, 0, rt2870_cmd_task, sc);
731
732 sc->rx_process_limit = 100;
733
734 sc->taskqueue = taskqueue_create("rt2870_taskq", M_NOWAIT,
735 taskqueue_thread_enqueue, &sc->taskqueue);
736
737 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
738 device_get_nameunit(sc->dev));
739
740 rt2870_sysctl_attach(sc);
741
742 if (bootverbose)
743 ieee80211_announce(ic);
744
745 return 0;
746
747 fail:
748
749 /* stop all USB transfers */
750
751 usbd_transfer_unsetup(sc->usb_xfer, sc->usb_endpoints);
752
753 /* free Tx and Rx rings */
754
755 for (i = 0; i < sc->usb_endpoints - 1; i++)
756 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
757
758 rt2870_free_rx_ring(sc, &sc->rx_ring);
759
760 mtx_destroy(&sc->lock);
761
762 return error;
763 }
764
765 /*
766 * rt2870_detach
767 */
768 static int rt2870_detach(device_t dev)
769 {
770 struct rt2870_softc *sc;
771 struct ieee80211com *ic;
772 struct ifnet *ifp;
773 int i;
774
775 if (!device_is_attached(dev))
776 return 0;
777
778 sc = device_get_softc(dev);
779 ifp = sc->ifp;
780 ic = ifp->if_l2com;
781
782 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
783 "%s: detaching\n",
784 device_get_nameunit(sc->dev));
785
786 RT2870_SOFTC_LOCK(sc);
787
788 sc->tx_timer = 0;
789
790 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
791
792 callout_stop(&sc->periodic_ch);
793 callout_stop(&sc->tx_watchdog_ch);
794
795 RT2870_SOFTC_UNLOCK(sc);
796
797 taskqueue_block(sc->taskqueue);
798
799 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
800 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
801 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
802 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
803
804 /* stop all USB transfers */
805
806 usbd_transfer_unsetup(sc->usb_xfer, sc->usb_endpoints);
807
808 RT2870_SOFTC_LOCK(sc);
809
810 /* free Tx and Rx rings */
811
812 for (i = 0; i < sc->usb_endpoints - 1; i++)
813 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
814
815 rt2870_free_rx_ring(sc, &sc->rx_ring);
816
817 RT2870_SOFTC_UNLOCK(sc);
818
819 ieee80211_ifdetach(ic);
820
821 if_free(ifp);
822
823 taskqueue_free(sc->taskqueue);
824
825 mtx_destroy(&sc->lock);
826
827 return 0;
828 }
829
830 /*
831 * rt2870_init_channels
832 */
833 static void rt2870_init_channels(struct rt2870_softc *sc)
834 {
835 struct ifnet *ifp;
836 struct ieee80211com *ic;
837 struct ieee80211_channel *c;
838 int i, flags;
839
840 ifp = sc->ifp;
841 ic = ifp->if_l2com;
842
843 /* set supported channels for 2GHz band */
844
845 for (i = 1; i <= 14; i++)
846 {
847 c = &ic->ic_channels[ic->ic_nchans++];
848 flags = IEEE80211_CHAN_B;
849
850 c->ic_freq = ieee80211_ieee2mhz(i, flags);
851 c->ic_ieee = i;
852 c->ic_flags = flags;
853
854 c = &ic->ic_channels[ic->ic_nchans++];
855 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
856
857 c->ic_freq = ieee80211_ieee2mhz(i, flags);
858 c->ic_ieee = i;
859 c->ic_flags = flags;
860
861 c = &ic->ic_channels[ic->ic_nchans++];
862 flags = IEEE80211_CHAN_G;
863
864 c->ic_freq = ieee80211_ieee2mhz(i, flags);
865 c->ic_ieee = i;
866 c->ic_flags = flags;
867
868 c = &ic->ic_channels[ic->ic_nchans++];
869 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
870
871 c->ic_freq = ieee80211_ieee2mhz(i, flags);
872 c->ic_ieee = i;
873 c->ic_flags = flags;
874 }
875
876 /* set supported channels for 5GHz band */
877
878 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
879 sc->rf_rev == RT2870_EEPROM_RF_2750)
880 {
881 for (i = 36; i <= 64; i += 4)
882 {
883 c = &ic->ic_channels[ic->ic_nchans++];
884 flags = IEEE80211_CHAN_A;
885
886 c->ic_freq = ieee80211_ieee2mhz(i, flags);
887 c->ic_ieee = i;
888 c->ic_flags = flags;
889
890 c = &ic->ic_channels[ic->ic_nchans++];
891 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
892
893 c->ic_freq = ieee80211_ieee2mhz(i, flags);
894 c->ic_ieee = i;
895 c->ic_flags = flags;
896 }
897
898 for (i = 100; i <= 140; i += 4)
899 {
900 c = &ic->ic_channels[ic->ic_nchans++];
901 flags = IEEE80211_CHAN_A;
902
903 c->ic_freq = ieee80211_ieee2mhz(i, flags);
904 c->ic_ieee = i;
905 c->ic_flags = flags;
906
907 c = &ic->ic_channels[ic->ic_nchans++];
908 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
909
910 c->ic_freq = ieee80211_ieee2mhz(i, flags);
911 c->ic_ieee = i;
912 c->ic_flags = flags;
913 }
914
915 for (i = 149; i <= 165; i += 4)
916 {
917 c = &ic->ic_channels[ic->ic_nchans++];
918 flags = IEEE80211_CHAN_A;
919
920 c->ic_freq = ieee80211_ieee2mhz(i, flags);
921 c->ic_ieee = i;
922 c->ic_flags = flags;
923
924 c = &ic->ic_channels[ic->ic_nchans++];
925 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
926
927 c->ic_freq = ieee80211_ieee2mhz(i, flags);
928 c->ic_ieee = i;
929 c->ic_flags = flags;
930 }
931 }
932 }
933
934 /*
935 * rt2870_init_channels_ht40
936 */
937 static void rt2870_init_channels_ht40(struct rt2870_softc *sc)
938 {
939 struct ifnet *ifp;
940 struct ieee80211com *ic;
941 struct ieee80211_channel *c, *cent, *ext;
942 int i, flags;
943
944 ifp = sc->ifp;
945 ic = ifp->if_l2com;
946
947 /* set supported channels for 2GHz band */
948
949 for (i = 1; i <= 14; i++)
950 {
951 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
952
953 /* find the center channel */
954
955 cent = ieee80211_find_channel_byieee(ic, i,
956 flags & ~IEEE80211_CHAN_HT);
957 if (cent == NULL)
958 {
959 printf("%s: skip channel %d, could not find center channel\n",
960 device_get_nameunit(sc->dev), i);
961 continue;
962 }
963
964 /* find the extension channel */
965
966 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
967 flags & ~IEEE80211_CHAN_HT);
968 if (ext == NULL)
969 {
970 printf("%s: skip channel %d, could not find extension channel\n",
971 device_get_nameunit(sc->dev), i);
972 continue;
973 }
974
975 c = &ic->ic_channels[ic->ic_nchans++];
976
977 *c = *cent;
978 c->ic_extieee = ext->ic_ieee;
979 c->ic_flags &= ~IEEE80211_CHAN_HT;
980 c->ic_flags |= IEEE80211_CHAN_HT40U;
981
982 c = &ic->ic_channels[ic->ic_nchans++];
983
984 *c = *ext;
985 c->ic_extieee = cent->ic_ieee;
986 c->ic_flags &= ~IEEE80211_CHAN_HT;
987 c->ic_flags |= IEEE80211_CHAN_HT40D;
988 }
989
990 /* set supported channels for 5GHz band */
991
992 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
993 sc->rf_rev == RT2870_EEPROM_RF_2750)
994 {
995 for (i = 36; i <= 64; i += 4)
996 {
997 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
998
999 /* find the center channel */
1000
1001 cent = ieee80211_find_channel_byieee(ic, i,
1002 flags & ~IEEE80211_CHAN_HT);
1003 if (cent == NULL)
1004 {
1005 printf("%s: skip channel %d, could not find center channel\n",
1006 device_get_nameunit(sc->dev), i);
1007 continue;
1008 }
1009
1010 /* find the extension channel */
1011
1012 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1013 flags & ~IEEE80211_CHAN_HT);
1014 if (ext == NULL)
1015 {
1016 printf("%s: skip channel %d, could not find extension channel\n",
1017 device_get_nameunit(sc->dev), i);
1018 continue;
1019 }
1020
1021 c = &ic->ic_channels[ic->ic_nchans++];
1022
1023 *c = *cent;
1024 c->ic_extieee = ext->ic_ieee;
1025 c->ic_flags &= ~IEEE80211_CHAN_HT;
1026 c->ic_flags |= IEEE80211_CHAN_HT40U;
1027
1028 c = &ic->ic_channels[ic->ic_nchans++];
1029
1030 *c = *ext;
1031 c->ic_extieee = cent->ic_ieee;
1032 c->ic_flags &= ~IEEE80211_CHAN_HT;
1033 c->ic_flags |= IEEE80211_CHAN_HT40D;
1034 }
1035
1036 for (i = 100; i <= 140; i += 4)
1037 {
1038 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1039
1040 /* find the center channel */
1041
1042 cent = ieee80211_find_channel_byieee(ic, i,
1043 flags & ~IEEE80211_CHAN_HT);
1044 if (cent == NULL)
1045 {
1046 printf("%s: skip channel %d, could not find center channel\n",
1047 device_get_nameunit(sc->dev), i);
1048 continue;
1049 }
1050
1051 /* find the extension channel */
1052
1053 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1054 flags & ~IEEE80211_CHAN_HT);
1055 if (ext == NULL)
1056 {
1057 printf("%s: skip channel %d, could not find extension channel\n",
1058 device_get_nameunit(sc->dev), i);
1059 continue;
1060 }
1061
1062 c = &ic->ic_channels[ic->ic_nchans++];
1063
1064 *c = *cent;
1065 c->ic_extieee = ext->ic_ieee;
1066 c->ic_flags &= ~IEEE80211_CHAN_HT;
1067 c->ic_flags |= IEEE80211_CHAN_HT40U;
1068
1069 c = &ic->ic_channels[ic->ic_nchans++];
1070
1071 *c = *ext;
1072 c->ic_extieee = cent->ic_ieee;
1073 c->ic_flags &= ~IEEE80211_CHAN_HT;
1074 c->ic_flags |= IEEE80211_CHAN_HT40D;
1075 }
1076
1077 for (i = 149; i <= 165; i += 4)
1078 {
1079 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1080
1081 /* find the center channel */
1082
1083 cent = ieee80211_find_channel_byieee(ic, i,
1084 flags & ~IEEE80211_CHAN_HT);
1085 if (cent == NULL)
1086 {
1087 printf("%s: skip channel %d, could not find center channel\n",
1088 device_get_nameunit(sc->dev), i);
1089 continue;
1090 }
1091
1092 /* find the extension channel */
1093
1094 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1095 flags & ~IEEE80211_CHAN_HT);
1096 if (ext == NULL)
1097 {
1098 printf("%s: skip channel %d, could not find extension channel\n",
1099 device_get_nameunit(sc->dev), i);
1100 continue;
1101 }
1102
1103 c = &ic->ic_channels[ic->ic_nchans++];
1104
1105 *c = *cent;
1106 c->ic_extieee = ext->ic_ieee;
1107 c->ic_flags &= ~IEEE80211_CHAN_HT;
1108 c->ic_flags |= IEEE80211_CHAN_HT40U;
1109
1110 c = &ic->ic_channels[ic->ic_nchans++];
1111
1112 *c = *ext;
1113 c->ic_extieee = cent->ic_ieee;
1114 c->ic_flags &= ~IEEE80211_CHAN_HT;
1115 c->ic_flags |= IEEE80211_CHAN_HT40D;
1116 }
1117 }
1118 }
1119
1120 /*
1121 * rt2870_init_locked
1122 */
1123 static void rt2870_init_locked(void *priv)
1124 {
1125 struct rt2870_softc *sc;
1126 struct ifnet *ifp;
1127 struct ieee80211com *ic;
1128 int ntries, error, i;
1129 uint32_t tmp, stacnt[6];
1130
1131 sc = priv;
1132 ifp = sc->ifp;
1133 ic = ifp->if_l2com;
1134
1135 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1136 "%s: initializing\n",
1137 device_get_nameunit(sc->dev));
1138
1139 RT2870_SOFTC_ASSERT_LOCKED(sc);
1140
1141 if (!(sc->flags & RT2870_SOFTC_FLAGS_UCODE_LOADED))
1142 {
1143 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1144 "%s: loading 8051 microcode\n",
1145 device_get_nameunit(sc->dev));
1146
1147 error = rt2870_io_mcu_load_ucode(sc, rt2870_ucode, sizeof(rt2870_ucode));
1148 if (error != 0)
1149 {
1150 printf("%s: could not load 8051 microcode\n",
1151 device_get_nameunit(sc->dev));
1152 goto fail;
1153 }
1154
1155 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1156 "%s: 8051 microcode was successfully loaded\n",
1157 device_get_nameunit(sc->dev));
1158
1159 sc->flags |= RT2870_SOFTC_FLAGS_UCODE_LOADED;
1160 }
1161
1162 /* wait while DMA engine is busy */
1163
1164 for (ntries = 0; ntries < 100; ntries++)
1165 {
1166 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
1167 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
1168 break;
1169
1170 DELAY(1000);
1171 }
1172
1173 if (ntries == 100)
1174 {
1175 printf("%s: timeout waiting for DMA engine\n",
1176 device_get_nameunit(sc->dev));
1177 goto fail;
1178 }
1179
1180 tmp &= 0xff0;
1181 tmp |= RT2870_REG_TX_WB_DDONE;
1182
1183 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1184
1185 /* PBF hardware reset */
1186
1187 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_SYS_CTRL);
1188
1189 tmp &= ~(1 << 13);
1190
1191 rt2870_io_mac_write(sc, RT2870_REG_PBF_SYS_CTRL, tmp);
1192
1193 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1194 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1195
1196 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1197
1198 rt2870_io_mcu_reset(sc);
1199
1200 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1201
1202 /* init Tx power per rate */
1203
1204 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
1205 {
1206 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1207 continue;
1208
1209 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i),
1210 sc->txpow_rate_20mhz[i]);
1211 }
1212
1213 for (i = 0; i < RT2870_DEF_MAC_SIZE; i++)
1214 rt2870_io_mac_write(sc, rt2870_def_mac[i].reg,
1215 rt2870_def_mac[i].val);
1216
1217 /* wait while MAC is busy */
1218
1219 for (ntries = 0; ntries < 100; ntries++)
1220 {
1221 if (!(rt2870_io_mac_read(sc, RT2870_REG_STATUS_CFG) &
1222 (RT2870_REG_STATUS_TX_BUSY | RT2870_REG_STATUS_RX_BUSY)))
1223 break;
1224
1225 DELAY(1000);
1226 }
1227
1228 if (ntries == 100)
1229 {
1230 printf("%s: timeout waiting for MAC\n",
1231 device_get_nameunit(sc->dev));
1232 goto fail;
1233 }
1234
1235 /* clear Host to MCU mailbox */
1236
1237 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX_BBP_AGENT, 0);
1238 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX, 0);
1239
1240 DELAY(1000);
1241
1242 error = rt2870_init_bbp(sc);
1243 if (error != 0)
1244 goto fail;
1245
1246 /* set up maximum buffer sizes */
1247
1248 tmp = (1 << 12) | RT2870_MAX_AGG_SIZE;
1249
1250 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1251
1252 if (sc->mac_rev == 0x28720200)
1253 {
1254 /* set max. PSDU length from 16K to 32K bytes */
1255
1256 tmp = rt2870_io_mac_read(sc, RT2870_REG_MAX_LEN_CFG);
1257
1258 tmp &= ~(3 << 12);
1259 tmp |= (2 << 12);
1260
1261 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1262 }
1263
1264 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1265 {
1266 tmp = rt2870_io_mac_read(sc, RT2870_REG_MAX_LEN_CFG);
1267
1268 tmp &= 0xfff;
1269 tmp |= 0x2000;
1270
1271 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1272 }
1273
1274 /* set mac address */
1275
1276 rt2870_asic_set_macaddr(sc, IF_LLADDR(ifp));
1277
1278 /* clear statistic registers */
1279
1280 rt2870_io_mac_read_multi(sc, RT2870_REG_RX_STA_CNT0,
1281 stacnt, sizeof(stacnt));
1282
1283 /* send LEDs operating mode to microcontroller */
1284
1285 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED1,
1286 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1287 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED2,
1288 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1289 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED3,
1290 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1291
1292 /* write vendor-specific BBP values (from EEPROM) */
1293
1294 for (i = 0; i < RT2870_SOFTC_BBP_EEPROM_COUNT; i++)
1295 {
1296 if (sc->bbp_eeprom[i].reg == 0x00 ||
1297 sc->bbp_eeprom[i].reg == 0xff)
1298 continue;
1299
1300 rt2870_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1301 sc->bbp_eeprom[i].val);
1302 }
1303
1304 /* disable non-existing Rx chains */
1305
1306 tmp = rt2870_io_bbp_read(sc, 3);
1307
1308 tmp &= ~((1 << 4) | (1 << 3));
1309
1310 if (sc->nrxpath == 3)
1311 tmp |= (1 << 4);
1312 else if (sc->nrxpath == 2)
1313 tmp |= (1 << 3);
1314
1315 rt2870_io_bbp_write(sc, 3, tmp);
1316
1317 /* disable non-existing Tx chains */
1318
1319 tmp = rt2870_io_bbp_read(sc, 1);
1320
1321 tmp &= ~((1 << 4) | (1 << 3));
1322
1323 if (sc->ntxpath == 2)
1324 tmp |= (1 << 4);
1325
1326 rt2870_io_bbp_write(sc, 1, tmp);
1327
1328 /* set current channel */
1329
1330 rt2870_rf_set_chan(sc, ic->ic_curchan);
1331
1332 /* turn radio LED on */
1333
1334 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON);
1335
1336 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_BOOT,
1337 RT2870_REG_H2M_TOKEN_NO_INTR, 0);
1338
1339 /* set RTS threshold */
1340
1341 rt2870_asic_update_rtsthreshold(sc);
1342
1343 /* set Tx power */
1344
1345 rt2870_asic_update_txpower(sc);
1346
1347 /* set up protection mode */
1348
1349 rt2870_asic_updateprot(sc);
1350
1351 /* clear key tables */
1352
1353 rt2870_asic_clear_keytables(sc);
1354
1355 /* clear beacon frame space (entries = 8, entry size = 512) */
1356
1357 rt2870_io_mac_set_region_4(sc, RT2870_REG_BEACON_BASE(0), 0, 1024);
1358
1359 if (rt2870_txrx_enable(sc) != 0)
1360 goto fail;
1361
1362 /* clear garbage interrupts */
1363
1364 tmp = rt2870_io_mac_read(sc, 0x1300);
1365
1366 taskqueue_unblock(sc->taskqueue);
1367
1368 /* init Tx and Rx rings */
1369
1370 for(i = 0; i < sc->usb_endpoints - 1; i++)
1371 rt2870_reset_tx_ring(sc, &sc->tx_ring[i]);
1372
1373 rt2870_reset_rx_ring(sc, &sc->rx_ring);
1374
1375 rt2870_reset_cmd_ring(sc, &sc->cmd_ring);
1376
1377 for(i = 0; i < sc->usb_endpoints - 1; i++)
1378 {
1379 usbd_xfer_set_priv(sc->usb_xfer[i + 1], &sc->tx_ring[i]);
1380 usbd_xfer_set_stall(sc->usb_xfer[i + 1]);
1381 }
1382
1383 /* start up the receive pipe */
1384
1385 for(i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
1386 usbd_transfer_start(sc->usb_xfer[0]);
1387
1388 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1389 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1390
1391 sc->periodic_round = 0;
1392
1393 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
1394
1395 return;
1396
1397 fail:
1398
1399 rt2870_stop_locked(sc);
1400 }
1401
1402 /*
1403 * rt2870_init
1404 */
1405 static void rt2870_init(void *priv)
1406 {
1407 struct rt2870_softc *sc;
1408
1409 sc = priv;
1410
1411 RT2870_SOFTC_LOCK(sc);
1412
1413 rt2870_init_locked(sc);
1414
1415 RT2870_SOFTC_UNLOCK(sc);
1416 }
1417
1418 /*
1419 * rt2870_init_bbp
1420 */
1421 static int rt2870_init_bbp(struct rt2870_softc *sc)
1422 {
1423 int ntries, i;
1424 uint8_t tmp;
1425
1426 for (ntries = 0; ntries < 20; ntries++)
1427 {
1428 tmp = rt2870_io_bbp_read(sc, 0);
1429 if (tmp != 0x00 && tmp != 0xff)
1430 break;
1431 }
1432
1433 if (tmp == 0x00 || tmp == 0xff)
1434 {
1435 printf("%s: timeout waiting for BBP to wakeup\n",
1436 device_get_nameunit(sc->dev));
1437 return ETIMEDOUT;
1438 }
1439
1440 for (i = 0; i < RT2870_DEF_BBP_SIZE; i++)
1441 rt2870_io_bbp_write(sc, rt2870_def_bbp[i].reg,
1442 rt2870_def_bbp[i].val);
1443
1444 if ((sc->mac_rev & 0xffff) != 0x0101)
1445 rt2870_io_bbp_write(sc, 84, 0x19);
1446
1447 if (sc->mac_rev == 0x28600100)
1448 {
1449 rt2870_io_bbp_write(sc, 69, 0x16);
1450 rt2870_io_bbp_write(sc, 73, 0x12);
1451 }
1452
1453 return 0;
1454 }
1455
1456 /*
1457 * rt2870_stop_locked
1458 */
1459 static void rt2870_stop_locked(void *priv)
1460 {
1461 struct rt2870_softc *sc;
1462 struct ifnet *ifp;
1463 struct ieee80211com *ic;
1464 uint32_t tmp;
1465 int i;
1466
1467 sc = priv;
1468 ifp = sc->ifp;
1469 ic = ifp->if_l2com;
1470
1471 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1472 "%s: stopping\n",
1473 device_get_nameunit(sc->dev));
1474
1475 RT2870_SOFTC_ASSERT_LOCKED(sc);
1476
1477 sc->tx_timer = 0;
1478
1479 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1480 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
1481
1482 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1483
1484 callout_stop(&sc->periodic_ch);
1485 callout_stop(&sc->tx_watchdog_ch);
1486
1487 RT2870_SOFTC_UNLOCK(sc);
1488
1489 taskqueue_block(sc->taskqueue);
1490
1491 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1492 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1493 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1494 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
1495
1496 RT2870_SOFTC_LOCK(sc);
1497
1498 /* clear key tables */
1499
1500 rt2870_asic_clear_keytables(sc);
1501
1502 /* disable Tx/Rx */
1503
1504 tmp = rt2870_io_mac_read(sc, RT2870_REG_SYS_CTRL);
1505
1506 tmp &= ~(RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
1507
1508 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, tmp);
1509
1510 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1511
1512 /* reset adapter */
1513
1514 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1515 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1516 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1517
1518 /* abort any pending transfers */
1519
1520 for (i = 0; i < sc->usb_endpoints; i++)
1521 usbd_transfer_stop(sc->usb_xfer[i]);
1522 }
1523
1524 /*
1525 * rt2870_stop
1526 */
1527 static void rt2870_stop(void *priv)
1528 {
1529 struct rt2870_softc *sc;
1530
1531 sc = priv;
1532
1533 RT2870_SOFTC_LOCK(sc);
1534
1535 rt2870_stop_locked(sc);
1536
1537 RT2870_SOFTC_UNLOCK(sc);
1538 }
1539
1540 /*
1541 * rt2870_start
1542 */
1543 static void rt2870_start(struct ifnet *ifp)
1544 {
1545 struct rt2870_softc *sc;
1546 struct ieee80211_node *ni;
1547 struct mbuf *m;
1548 int qid;
1549
1550 sc = ifp->if_softc;
1551
1552 RT2870_SOFTC_LOCK(sc);
1553
1554 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1555 {
1556 RT2870_SOFTC_UNLOCK(sc);
1557 return;
1558 }
1559
1560 for (;;)
1561 {
1562 IF_POLL(&ifp->if_snd, m);
1563 if (m == NULL)
1564 break;
1565
1566 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1567
1568 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1569
1570 qid = M_WME_GETAC(m);
1571
1572 if (sc->tx_ring[qid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1573 {
1574 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1575 "%s: if_start: Tx ring with qid=%d is full\n",
1576 device_get_nameunit(sc->dev), qid);
1577
1578 m_freem(m);
1579 ieee80211_free_node(ni);
1580
1581 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1582 ifp->if_oerrors++;
1583
1584 sc->tx_data_queue_full[qid]++;
1585
1586 break;
1587 }
1588
1589 if (rt2870_tx_data(sc, m, ni, qid) != 0)
1590 {
1591 ieee80211_free_node(ni);
1592 ifp->if_oerrors++;
1593 break;
1594 }
1595
1596 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
1597
1598 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
1599 }
1600
1601 RT2870_SOFTC_UNLOCK(sc);
1602 }
1603
1604 /*
1605 * rt2870_ioctl
1606 */
1607 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1608 {
1609 struct rt2870_softc *sc;
1610 struct ieee80211com *ic;
1611 struct ifreq *ifr;
1612 int error, startall;
1613
1614 sc = ifp->if_softc;
1615 ic = ifp->if_l2com;
1616 ifr = (struct ifreq *) data;
1617
1618 error = 0;
1619
1620 switch (cmd)
1621 {
1622 case SIOCSIFFLAGS:
1623 startall = 0;
1624
1625 RT2870_SOFTC_LOCK(sc);
1626
1627 if (ifp->if_flags & IFF_UP)
1628 {
1629 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1630 {
1631 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1632 rt2870_asic_update_promisc(sc);
1633 }
1634 else
1635 {
1636 rt2870_init_locked(sc);
1637 startall = 1;
1638 }
1639 }
1640 else
1641 {
1642 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1643 rt2870_stop_locked(sc);
1644 }
1645
1646 sc->if_flags = ifp->if_flags;
1647
1648 RT2870_SOFTC_UNLOCK(sc);
1649
1650 if (startall)
1651 ieee80211_start_all(ic);
1652 break;
1653
1654 case SIOCGIFMEDIA:
1655 case SIOCSIFMEDIA:
1656 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1657 break;
1658
1659 case SIOCGIFADDR:
1660 error = ether_ioctl(ifp, cmd, data);
1661 break;
1662
1663 default:
1664 error = EINVAL;
1665 break;
1666 }
1667
1668 return error;
1669 }
1670
1671 /*
1672 * rt2870_vap_create
1673 */
1674 static struct ieee80211vap *rt2870_vap_create(struct ieee80211com *ic,
1675 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1676 const uint8_t bssid[IEEE80211_ADDR_LEN],
1677 const uint8_t mac[IEEE80211_ADDR_LEN])
1678 {
1679 struct rt2870_softc *sc;
1680 struct ifnet *ifp;
1681 struct rt2870_softc_vap *rvap;
1682 struct ieee80211vap *vap;
1683
1684 ifp = ic->ic_ifp;
1685 sc = ifp->if_softc;
1686
1687 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1688 "%s: VAP create: opmode=%s\n",
1689 device_get_nameunit(sc->dev),
1690 ieee80211_opmode_name[opmode]);
1691
1692 switch (opmode)
1693 {
1694 case IEEE80211_M_MONITOR:
1695 case IEEE80211_M_IBSS:
1696 case IEEE80211_M_STA:
1697 case IEEE80211_M_AHDEMO:
1698 case IEEE80211_M_HOSTAP:
1699 case IEEE80211_M_MBSS:
1700 if (!TAILQ_EMPTY(&ic->ic_vaps))
1701 {
1702 if_printf(ifp, "only 1 VAP supported\n");
1703 return NULL;
1704 }
1705
1706 if (opmode == IEEE80211_M_STA)
1707 flags |= IEEE80211_CLONE_NOBEACONS;
1708 break;
1709
1710 case IEEE80211_M_WDS:
1711 if (TAILQ_EMPTY(&ic->ic_vaps) || ic->ic_opmode != IEEE80211_M_HOSTAP)
1712 {
1713 if_printf(ifp, "WDS only supported in AP mode\n");
1714 return NULL;
1715 }
1716
1717 flags &= ~IEEE80211_CLONE_BSSID;
1718 break;
1719
1720 default:
1721 if_printf(ifp, "unknown opmode %d\n", opmode);
1722 return NULL;
1723 }
1724
1725 rvap = (struct rt2870_softc_vap *) malloc(sizeof(struct rt2870_softc_vap),
1726 M_80211_VAP, M_NOWAIT | M_ZERO);
1727 if (rvap == NULL)
1728 return NULL;
1729
1730 vap = &rvap->vap;
1731
1732 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1733
1734 rvap->newstate = vap->iv_newstate;
1735 vap->iv_newstate = rt2870_vap_newstate;
1736
1737 vap->iv_reset = rt2870_vap_reset;
1738 vap->iv_key_update_begin = rt2870_vap_key_update_begin;
1739 vap->iv_key_update_end = rt2870_vap_key_update_end;
1740 vap->iv_key_set = rt2870_vap_key_set;
1741 vap->iv_key_delete = rt2870_vap_key_delete;
1742 vap->iv_update_beacon = rt2870_vap_update_beacon;
1743
1744 rt2870_amrr_init(&rvap->amrr, vap,
1745 sc->ntxpath,
1746 RT2870_AMRR_MIN_SUCCESS_THRESHOLD,
1747 RT2870_AMRR_MAX_SUCCESS_THRESHOLD,
1748 500);
1749
1750 ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status);
1751
1752 ic->ic_opmode = opmode;
1753
1754 return vap;
1755 }
1756
1757 /*
1758 * rt2870_vap_delete
1759 */
1760 static void rt2870_vap_delete(struct ieee80211vap *vap)
1761 {
1762 struct rt2870_softc *sc;
1763 struct ieee80211com *ic;
1764 struct ifnet *ifp;
1765 struct rt2870_softc_vap *rvap;
1766
1767 ic = vap->iv_ic;
1768 ifp = ic->ic_ifp;
1769 sc = ifp->if_softc;
1770 rvap = (struct rt2870_softc_vap *) vap;
1771
1772 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1773 "%s: VAP delete: opmode=%s\n",
1774 device_get_nameunit(sc->dev),
1775 ieee80211_opmode_name[vap->iv_opmode]);
1776
1777 rt2870_amrr_cleanup(&rvap->amrr);
1778
1779 ieee80211_vap_detach(vap);
1780
1781 free(rvap, M_80211_VAP);
1782 }
1783
1784 /*
1785 * rt2870_reset_vap
1786 */
1787 static int rt2870_vap_reset(struct ieee80211vap *vap, u_long cmd)
1788 {
1789 struct rt2870_softc *sc;
1790 struct ieee80211com *ic;
1791 struct ifnet *ifp;
1792 struct rt2870_softc_vap *rvap;
1793 int error;
1794
1795 ic = vap->iv_ic;
1796 ifp = ic->ic_ifp;
1797 sc = ifp->if_softc;
1798 rvap = (struct rt2870_softc_vap *) vap;
1799
1800 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1801 "%s: VAP reset: cmd=%lu\n",
1802 device_get_nameunit(sc->dev), cmd);
1803
1804 error = 0;
1805
1806 RT2870_SOFTC_LOCK(sc);
1807
1808 switch (cmd)
1809 {
1810 case IEEE80211_IOC_RTSTHRESHOLD:
1811 rt2870_asic_update_rtsthreshold(sc);
1812 break;
1813
1814 case IEEE80211_IOC_PROTMODE:
1815 case IEEE80211_IOC_HTPROTMODE:
1816 rt2870_asic_updateprot(sc);
1817 break;
1818
1819 case IEEE80211_IOC_TXPOWER:
1820 rt2870_asic_update_txpower(sc);
1821 break;
1822
1823 case IEEE80211_IOC_SHORTGI:
1824 case IEEE80211_IOC_AMPDU_DENSITY:
1825 break;
1826
1827 default:
1828 error = ENETRESET;
1829 break;
1830 }
1831
1832 RT2870_SOFTC_UNLOCK(sc);
1833
1834 return error;
1835 }
1836
1837 /*
1838 * rt2870_vap_newstate
1839 */
1840 static int rt2870_vap_newstate(struct ieee80211vap *vap,
1841 enum ieee80211_state nstate, int arg)
1842 {
1843 struct rt2870_softc *sc;
1844 struct ieee80211com *ic;
1845 struct ifnet *ifp;
1846 struct rt2870_softc_vap *rvap;
1847 struct ieee80211_node *ni;
1848 int error;
1849
1850 ic = vap->iv_ic;
1851 ifp = ic->ic_ifp;
1852 sc = ifp->if_softc;
1853 rvap = (struct rt2870_softc_vap *) vap;
1854
1855 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1856 "%s: VAP newstate: %s -> %s\n",
1857 device_get_nameunit(sc->dev),
1858 ieee80211_state_name[vap->iv_state], ieee80211_state_name[nstate]);
1859
1860 error = rvap->newstate(vap, nstate, arg);
1861 if (error != 0)
1862 return error;
1863
1864 IEEE80211_UNLOCK(ic);
1865
1866 RT2870_SOFTC_LOCK(sc);
1867
1868 /* turn link LED off */
1869
1870 if (nstate != IEEE80211_S_RUN)
1871 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
1872
1873 switch (nstate)
1874 {
1875 case IEEE80211_S_INIT:
1876 rt2870_asic_disable_tsf_sync(sc);
1877 break;
1878
1879 case IEEE80211_S_RUN:
1880 ni = vap->iv_bss;
1881
1882 rt2870_rf_set_chan(sc, ni->ni_chan);
1883
1884 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1885 {
1886 rt2870_asic_enable_mrr(sc);
1887 rt2870_asic_set_txpreamble(sc);
1888 rt2870_asic_set_basicrates(sc);
1889 rt2870_asic_update_txpower(sc);
1890 rt2870_asic_set_bssid(sc, ni->ni_bssid);
1891 }
1892
1893 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
1894 vap->iv_opmode == IEEE80211_M_IBSS ||
1895 vap->iv_opmode == IEEE80211_M_MBSS)
1896 {
1897 error = rt2870_asic_update_beacon(sc, vap);
1898 if (error != 0)
1899 break;
1900 }
1901
1902 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1903 rt2870_asic_enable_tsf_sync(sc);
1904
1905 /* turn link LED on */
1906
1907 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1908 {
1909 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON |
1910 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
1911 RT2870_LED_CMD_LINK_2GHZ : RT2870_LED_CMD_LINK_5GHZ));
1912 }
1913 break;
1914
1915 default:
1916 break;
1917 }
1918
1919 RT2870_SOFTC_UNLOCK(sc);
1920
1921 IEEE80211_LOCK(ic);
1922
1923 return error;
1924 }
1925
1926 /*
1927 * rt2870_vap_key_update_begin
1928 */
1929 static void rt2870_vap_key_update_begin(struct ieee80211vap *vap)
1930 {
1931 struct rt2870_softc *sc;
1932 struct ieee80211com *ic;
1933 struct ifnet *ifp;
1934
1935 ic = vap->iv_ic;
1936 ifp = ic->ic_ifp;
1937 sc = ifp->if_softc;
1938
1939 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
1940 "%s: VAP key update begin\n",
1941 device_get_nameunit(sc->dev));
1942
1943 taskqueue_block(sc->taskqueue);
1944
1945 IF_LOCK(&ifp->if_snd);
1946 }
1947
1948 /*
1949 * rt2870_vap_key_update_end
1950 */
1951 static void rt2870_vap_key_update_end(struct ieee80211vap *vap)
1952 {
1953 struct rt2870_softc *sc;
1954 struct ieee80211com *ic;
1955 struct ifnet *ifp;
1956
1957 ic = vap->iv_ic;
1958 ifp = ic->ic_ifp;
1959 sc = ifp->if_softc;
1960
1961 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
1962 "%s: VAP key update end\n",
1963 device_get_nameunit(sc->dev));
1964
1965 IF_UNLOCK(&ifp->if_snd);
1966
1967 taskqueue_unblock(sc->taskqueue);
1968 }
1969
1970 /*
1971 * rt2870_vap_key_set
1972 */
1973 static int rt2870_vap_key_set(struct ieee80211vap *vap,
1974 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
1975 {
1976 struct rt2870_softc *sc;
1977 struct ieee80211com *ic;
1978 struct ifnet *ifp;
1979 struct ieee80211_node *ni;
1980 uint16_t associd, key_base, keymode_base;
1981 uint8_t mode, vapid, wcid, iv[8];
1982 uint32_t tmp;
1983
1984 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
1985 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
1986 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
1987 return EINVAL;
1988
1989 ic = vap->iv_ic;
1990 ifp = ic->ic_ifp;
1991 sc = ifp->if_softc;
1992
1993 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
1994 ni = vap->iv_bss;
1995 else
1996 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
1997
1998 associd = (ni != NULL) ? ni->ni_associd : 0;
1999
2000 if ((vap->iv_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2001 ieee80211_free_node(ni);
2002
2003 switch (k->wk_cipher->ic_cipher)
2004 {
2005 case IEEE80211_CIPHER_WEP:
2006 if(k->wk_keylen < 8)
2007 mode = RT2870_REG_CIPHER_MODE_WEP40;
2008 else
2009 mode = RT2870_REG_CIPHER_MODE_WEP104;
2010 break;
2011
2012 case IEEE80211_CIPHER_TKIP:
2013 mode = RT2870_REG_CIPHER_MODE_TKIP;
2014 break;
2015
2016 case IEEE80211_CIPHER_AES_CCM:
2017 mode = RT2870_REG_CIPHER_MODE_AES_CCMP;
2018 break;
2019
2020 default:
2021 return EINVAL;
2022 }
2023
2024 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2025 "%s: VAP key set: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2026 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2027 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2028
2029 RT2870_SOFTC_LOCK(sc);
2030
2031 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2032 {
2033 /* install pairwise key */
2034
2035 vapid = 0;
2036 wcid = RT2870_AID2WCID(associd);
2037 key_base = RT2870_REG_PKEY(wcid);
2038
2039 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2040 {
2041 memset(iv, 0, 8);
2042
2043 iv[3] = (k->wk_keyix << 6);
2044 }
2045 else
2046 {
2047 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2048 {
2049 iv[0] = (k->wk_keytsc >> 8);
2050 iv[1] = ((iv[0] | 0x20) & 0x7f);
2051 iv[2] = k->wk_keytsc;
2052 }
2053 else
2054 {
2055 /* AES CCMP */
2056
2057 iv[0] = k->wk_keytsc;
2058 iv[1] = k->wk_keytsc >> 8;
2059 iv[2] = 0;
2060 }
2061
2062 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2063 iv[4] = (k->wk_keytsc >> 16);
2064 iv[5] = (k->wk_keytsc >> 24);
2065 iv[6] = (k->wk_keytsc >> 32);
2066 iv[7] = (k->wk_keytsc >> 40);
2067
2068 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2069 "%s: set key: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2070 device_get_nameunit(sc->dev),
2071 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2072 }
2073
2074 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
2075
2076 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2077 {
2078 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2079
2080 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2081 {
2082 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2083 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2084 }
2085 else
2086 {
2087 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2088 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2089 }
2090 }
2091 else
2092 {
2093 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2094 }
2095
2096 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2097 (mode << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2098
2099 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2100 }
2101
2102 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2103 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2104 {
2105 /* install group key */
2106
2107 vapid = 0;
2108 key_base = RT2870_REG_SKEY(vapid, k->wk_keyix);
2109 keymode_base = RT2870_REG_SKEY_MODE(vapid);
2110
2111 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2112 {
2113 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2114
2115 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2116 {
2117 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2118 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2119 }
2120 else
2121 {
2122 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2123 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2124 }
2125 }
2126 else
2127 {
2128 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2129 }
2130
2131 tmp = rt2870_io_mac_read(sc, keymode_base);
2132
2133 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2134 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2135
2136 rt2870_io_mac_write(sc, keymode_base, tmp);
2137 }
2138
2139 RT2870_SOFTC_UNLOCK(sc);
2140
2141 return 1;
2142 }
2143
2144 /*
2145 * rt2870_vap_key_delete
2146 */
2147 static int rt2870_vap_key_delete(struct ieee80211vap *vap,
2148 const struct ieee80211_key *k)
2149 {
2150 struct rt2870_softc *sc;
2151 struct ieee80211com *ic;
2152 struct ifnet *ifp;
2153 struct ieee80211_node *ni;
2154 struct rt2870_cmd_argv_keydelete cmd_argv;
2155 uint16_t associd;
2156
2157 ic = vap->iv_ic;
2158 ifp = ic->ic_ifp;
2159 sc = ifp->if_softc;
2160 ni = vap->iv_bss;
2161 associd = (ni != NULL) ? ni->ni_associd : 0;
2162
2163 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2164 "%s: VAP key delete: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2165 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2166 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2167
2168 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2169 cmd_argv.associd = associd;
2170
2171 rt2870_do_async(sc, rt2870_vap_key_delete_cb,
2172 &cmd_argv, sizeof(struct rt2870_cmd_argv_keydelete));
2173
2174 return 1;
2175 }
2176
2177 /*
2178 * rt2870_vap_update_beacon
2179 */
2180 static void rt2870_vap_update_beacon(struct ieee80211vap *vap, int what)
2181 {
2182 struct rt2870_softc *sc;
2183 struct ieee80211com *ic;
2184 struct ifnet *ifp;
2185
2186 ic = vap->iv_ic;
2187 ifp = ic->ic_ifp;
2188 sc = ifp->if_softc;
2189
2190 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2191 "%s: VAP update beacon\n",
2192 device_get_nameunit(sc->dev));
2193
2194 rt2870_do_async(sc, rt2870_vap_update_beacon_cb, NULL, 0);
2195 }
2196
2197 /*
2198 * rt2870_node_alloc
2199 */
2200 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211vap *vap,
2201 const uint8_t mac[IEEE80211_ADDR_LEN])
2202 {
2203 return malloc(sizeof(struct rt2870_softc_node),
2204 M_80211_NODE, M_NOWAIT | M_ZERO);
2205 }
2206
2207 /*
2208 * rt2870_setregdomain
2209 */
2210 static int rt2870_setregdomain(struct ieee80211com *ic,
2211 struct ieee80211_regdomain *reg,
2212 int nchans, struct ieee80211_channel chans[])
2213 {
2214 struct rt2870_softc *sc;
2215 struct ifnet *ifp;
2216
2217 ifp = ic->ic_ifp;
2218 sc = ifp->if_softc;
2219
2220 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2221 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2222 device_get_nameunit(sc->dev),
2223 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2224
2225 return 0;
2226 }
2227
2228 /*
2229 * rt2870_getradiocaps
2230 */
2231 static void rt2870_getradiocaps(struct ieee80211com *ic,
2232 int maxchans, int *nchans, struct ieee80211_channel chans[])
2233 {
2234 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2235
2236 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2237 }
2238
2239 /*
2240 * rt2870_scan_start
2241 */
2242 static void rt2870_scan_start(struct ieee80211com *ic)
2243 {
2244 struct rt2870_softc *sc;
2245 struct ifnet *ifp;
2246
2247 ifp = ic->ic_ifp;
2248 sc = ifp->if_softc;
2249
2250 RT2870_SOFTC_LOCK(sc);
2251
2252 rt2870_asic_disable_tsf_sync(sc);
2253
2254 RT2870_SOFTC_UNLOCK(sc);
2255 }
2256
2257 /*
2258 * rt2870_scan_end
2259 */
2260 static void rt2870_scan_end(struct ieee80211com *ic)
2261 {
2262 struct rt2870_softc *sc;
2263 struct ifnet *ifp;
2264
2265 ifp = ic->ic_ifp;
2266 sc = ifp->if_softc;
2267
2268 RT2870_SOFTC_LOCK(sc);
2269
2270 rt2870_asic_enable_tsf_sync(sc);
2271
2272 RT2870_SOFTC_UNLOCK(sc);
2273 }
2274
2275 /*
2276 * rt2870_set_channel
2277 */
2278 static void rt2870_set_channel(struct ieee80211com *ic)
2279 {
2280 struct rt2870_softc *sc;
2281 struct ifnet *ifp;
2282
2283 ifp = ic->ic_ifp;
2284 sc = ifp->if_softc;
2285
2286 RT2870_DPRINTF(sc, RT2870_DEBUG_CHAN,
2287 "%s: set channel: channel=%u, HT%s%s\n",
2288 device_get_nameunit(sc->dev),
2289 ieee80211_chan2ieee(ic, ic->ic_curchan),
2290 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2291 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2292 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2293 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2294
2295 RT2870_SOFTC_LOCK(sc);
2296
2297 rt2870_rf_set_chan(sc, ic->ic_curchan);
2298
2299 RT2870_SOFTC_UNLOCK(sc);
2300 }
2301
2302 /*
2303 * rt2870_newassoc
2304 */
2305 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew)
2306 {
2307 struct rt2870_softc *sc;
2308 struct ieee80211com *ic;
2309 struct ifnet *ifp;
2310 struct ieee80211vap *vap;
2311 struct rt2870_softc_vap *rvap;
2312 uint16_t associd;
2313 uint8_t wcid;
2314
2315 vap = ni->ni_vap;
2316 ic = vap->iv_ic;
2317 ifp = ic->ic_ifp;
2318 sc = ifp->if_softc;
2319 rvap = (struct rt2870_softc_vap *) vap;
2320
2321 associd = (ni != NULL) ? ni->ni_associd : 0;
2322 wcid = RT2870_AID2WCID(associd);
2323
2324 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2325 "%s: new association: wcid=0x%02x, "
2326 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2327 device_get_nameunit(sc->dev), wcid,
2328 ether_sprintf(ni->ni_macaddr),
2329 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2330 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2331 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2332
2333 RT2870_SOFTC_LOCK(sc);
2334
2335 rt2870_io_mac_write_multi(sc, RT2870_REG_WCID(wcid),
2336 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2337
2338 rt2870_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2339
2340 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2341 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2342 device_get_nameunit(sc->dev),
2343 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2344 ni->ni_associd, ni->ni_txrate,
2345 (ni->ni_flags & IEEE80211_NODE_HT) ?
2346 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2347 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2348
2349 rt2870_asic_updateprot(sc);
2350 rt2870_asic_updateslot(sc);
2351 rt2870_asic_set_txpreamble(sc);
2352
2353 RT2870_SOFTC_UNLOCK(sc);
2354 }
2355
2356 /*
2357 * rt2870_updateslot
2358 */
2359 static void rt2870_updateslot(struct ifnet *ifp)
2360 {
2361 struct rt2870_softc *sc;
2362
2363 sc = ifp->if_softc;
2364
2365 rt2870_do_async(sc, rt2870_updateslot_cb, NULL, 0);
2366 }
2367
2368 /*
2369 * rt2870_update_promisc
2370 */
2371 static void rt2870_update_promisc(struct ifnet *ifp)
2372 {
2373 struct rt2870_softc *sc;
2374
2375 sc = ifp->if_softc;
2376
2377 RT2870_SOFTC_LOCK(sc);
2378
2379 rt2870_asic_update_promisc(sc);
2380
2381 RT2870_SOFTC_UNLOCK(sc);
2382 }
2383
2384 /*
2385 * rt2870_update_mcast
2386 */
2387 static void rt2870_update_mcast(struct ifnet *ifp)
2388 {
2389 struct rt2870_softc *sc;
2390
2391 sc = ifp->if_softc;
2392 }
2393
2394 /*
2395 * rt2870_wme_update
2396 */
2397 static int rt2870_wme_update(struct ieee80211com *ic)
2398 {
2399 struct rt2870_softc *sc;
2400 struct ifnet *ifp;
2401
2402 ifp = ic->ic_ifp;
2403 sc = ifp->if_softc;
2404
2405 rt2870_do_async(sc, rt2870_wme_update_cb, NULL, 0);
2406
2407 return 0;
2408 }
2409
2410 /*
2411 * rt2870_raw_xmit
2412 */
2413 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2414 const struct ieee80211_bpf_params *params)
2415 {
2416 struct rt2870_softc *sc;
2417 struct ieee80211com *ic;
2418 struct ifnet *ifp;
2419
2420 ic = ni->ni_ic;
2421 ifp = ic->ic_ifp;
2422 sc = ifp->if_softc;
2423
2424 RT2870_SOFTC_LOCK(sc);
2425
2426 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2427 {
2428 RT2870_SOFTC_UNLOCK(sc);
2429
2430 m_freem(m);
2431 ieee80211_free_node(ni);
2432
2433 return ENETDOWN;
2434 }
2435
2436 if (sc->tx_ring[sc->tx_ring_mgtqid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
2437 {
2438 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
2439 "%s: raw xmit: Tx ring with qid=%d is full\n",
2440 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2441
2442 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2443
2444 RT2870_SOFTC_UNLOCK(sc);
2445
2446 m_freem(m);
2447 ieee80211_free_node(ni);
2448
2449 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
2450
2451 return ENOBUFS;
2452 }
2453
2454 if (rt2870_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2455 {
2456 ifp->if_oerrors++;
2457
2458 RT2870_SOFTC_UNLOCK(sc);
2459
2460 ieee80211_free_node(ni);
2461
2462 return EIO;
2463 }
2464
2465 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
2466
2467 RT2870_SOFTC_UNLOCK(sc);
2468
2469 return 0;
2470 }
2471
2472 /*
2473 * rt2870_recv_action
2474 */
2475 static int rt2870_recv_action(struct ieee80211_node *ni,
2476 const struct ieee80211_frame *wh,
2477 const uint8_t *frm, const uint8_t *efrm)
2478 {
2479 struct rt2870_softc *sc;
2480 struct ieee80211com *ic;
2481 struct ifnet *ifp;
2482 const struct ieee80211_action *ia;
2483 uint16_t associd, status, baparamset;
2484 uint8_t wcid;
2485 int ret, tid, bufsize;
2486 uint32_t tmp;
2487
2488 ic = ni->ni_ic;
2489 ifp = ic->ic_ifp;
2490 sc = ifp->if_softc;
2491
2492 ia = (const struct ieee80211_action *) frm;
2493
2494 ret = sc->recv_action(ni, wh, frm, efrm);
2495
2496 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2497 return ret;
2498
2499 associd = (ni != NULL) ? ni->ni_associd : 0;
2500 wcid = RT2870_AID2WCID(associd);
2501
2502 switch (ia->ia_action)
2503 {
2504 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2505 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2506 baparamset = LE_READ_2(frm + 3);
2507 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2508 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2509
2510 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2511 "%s: received ADDBA request: associd=0x%04x, tid=%d, bufsize=%d\n",
2512 device_get_nameunit(sc->dev), associd, tid, bufsize);
2513
2514 RT2870_SOFTC_LOCK(sc);
2515
2516 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2517
2518 tmp |= (0x10000 << tid);
2519
2520 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2521
2522 RT2870_SOFTC_UNLOCK(sc);
2523 break;
2524
2525 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2526 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2527 status = LE_READ_2(frm + 3);
2528 baparamset = LE_READ_2(frm + 4);
2529 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2530 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2531
2532 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2533 "%s: received ADDBA response: associd=0x%04x, status=%d, tid=%d, bufsize=%d\n",
2534 device_get_nameunit(sc->dev), associd, status, tid, bufsize);
2535
2536 if (status == IEEE80211_STATUS_SUCCESS)
2537 {
2538 sc->tx_ampdu_sessions++;
2539
2540 RT2870_SOFTC_LOCK(sc);
2541
2542 rt2870_asic_updateprot(sc);
2543
2544 RT2870_SOFTC_UNLOCK(sc);
2545 }
2546 break;
2547
2548 /* IEEE80211_ACTION_BA_DELBA */
2549 case IEEE80211_ACTION_BA_DELBA:
2550 baparamset = LE_READ_2(frm + 2);
2551 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2552
2553 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2554 "%s: received DELBA request: associd=0x%04x, tid=%d\n",
2555 device_get_nameunit(sc->dev), associd, tid);
2556
2557 RT2870_SOFTC_LOCK(sc);
2558
2559 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2560
2561 tmp &= ~(0x10000 << tid);
2562
2563 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2564
2565 RT2870_SOFTC_UNLOCK(sc);
2566 break;
2567 }
2568
2569 return ret;
2570 }
2571
2572 /*
2573 * rt2870_send_action
2574 */
2575 static int rt2870_send_action(struct ieee80211_node *ni,
2576 int cat, int act, void *sa)
2577 {
2578 struct rt2870_softc *sc;
2579 struct ieee80211com *ic;
2580 struct ifnet *ifp;
2581 uint16_t associd, *args, baparamset;
2582 uint8_t wcid;
2583 int ret, tid;
2584 uint32_t tmp;
2585
2586 ic = ni->ni_ic;
2587 ifp = ic->ic_ifp;
2588 sc = ifp->if_softc;
2589
2590 ret = sc->send_action(ni, cat, act, sa);
2591
2592 if (cat != IEEE80211_ACTION_CAT_BA)
2593 return ret;
2594
2595 associd = (ni != NULL) ? ni->ni_associd : 0;
2596 wcid = RT2870_AID2WCID(associd);
2597 args = sa;
2598
2599 switch (act)
2600 {
2601 /* IEEE80211_ACTION_BA_DELBA */
2602 case IEEE80211_ACTION_BA_DELBA:
2603 baparamset = RT2870_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2604
2605 tid = RT2870_MS(baparamset, IEEE80211_DELBAPS_TID);
2606
2607 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2608 "%s: sending DELBA request: associd=0x%04x, tid=%d\n",
2609 device_get_nameunit(sc->dev), associd, tid);
2610
2611 RT2870_SOFTC_LOCK(sc);
2612
2613 if (RT2870_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2614 {
2615 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2616
2617 tmp &= ~(0x10000 << tid);
2618
2619 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2620 }
2621 else
2622 {
2623 sc->tx_ampdu_sessions--;
2624
2625 rt2870_asic_updateprot(sc);
2626 }
2627
2628 RT2870_SOFTC_UNLOCK(sc);
2629 break;
2630 }
2631
2632 return ret;
2633 }
2634
2635 /*
2636 * rt2870_amrr_update_iter_func
2637 */
2638 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2639 {
2640 struct rt2870_softc *sc;
2641 struct ieee80211com *ic;
2642 struct ifnet *ifp;
2643 struct ieee80211vap *vap;
2644 struct rt2870_softc_vap *rvap;
2645 uint8_t wcid;
2646
2647 vap = arg;
2648 ic = vap->iv_ic;
2649 ifp = ic->ic_ifp;
2650 sc = ifp->if_softc;
2651 rvap = (struct rt2870_softc_vap *) vap;
2652
2653 /* only associated stations */
2654
2655 if ((ni->ni_vap == vap) && (ni->ni_associd != 0))
2656 {
2657 wcid = RT2870_AID2WCID(ni->ni_associd);
2658
2659 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2660 "%s: AMRR node: wcid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2661 device_get_nameunit(sc->dev),
2662 wcid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2663
2664 rt2870_amrr_choose(ni, &sc->amrr_node[wcid]);
2665
2666 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2667 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2668 device_get_nameunit(sc->dev),
2669 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2670 ni->ni_associd, ni->ni_txrate,
2671 (ni->ni_flags & IEEE80211_NODE_HT) ?
2672 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2673 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2674 }
2675 }
2676
2677 /*
2678 * rt2870_periodic
2679 */
2680 static void rt2870_periodic(void *arg)
2681 {
2682 struct rt2870_softc *sc;
2683 struct ifnet *ifp;
2684
2685 sc = arg;
2686 ifp = sc->ifp;
2687
2688 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
2689 "%s: periodic\n",
2690 device_get_nameunit(sc->dev));
2691
2692 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2693 return;
2694
2695 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2696 }
2697
2698 /*
2699 * rt2870_tx_watchdog
2700 */
2701 static void rt2870_tx_watchdog(void *arg)
2702 {
2703 struct rt2870_softc *sc;
2704 struct ifnet *ifp;
2705
2706 sc = arg;
2707 ifp = sc->ifp;
2708
2709 if (sc->tx_timer == 0)
2710 return;
2711
2712 if (--sc->tx_timer == 0)
2713 {
2714 printf("%s: Tx watchdog timeout: resetting\n",
2715 device_get_nameunit(sc->dev));
2716
2717 rt2870_stop_locked(sc);
2718 rt2870_init_locked(sc);
2719
2720 ifp->if_oerrors++;
2721
2722 sc->tx_watchdog_timeouts++;
2723 }
2724
2725 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
2726 }
2727
2728 /*
2729 * rt2870_do_async
2730 */
2731 static int rt2870_do_async(struct rt2870_softc *sc,
2732 void (*cb)(struct rt2870_softc *sc, void *arg),
2733 void *arg, int len)
2734 {
2735 struct ifnet *ifp;
2736 struct rt2870_softc_cmd_ring *ring;
2737 struct rt2870_softc_cmd *cmd;
2738 int run_cmd_task;
2739
2740 ifp = sc->ifp;
2741 ring = &sc->cmd_ring;
2742
2743 RT2870_SOFTC_LOCK(sc);
2744
2745 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2746 {
2747 RT2870_SOFTC_UNLOCK(sc);
2748 return -1;
2749 }
2750
2751 if (ring->queued >= RT2870_SOFTC_CMD_RING_CMD_COUNT)
2752 {
2753 RT2870_SOFTC_UNLOCK(sc);
2754 return -1;
2755 }
2756
2757 cmd = STAILQ_FIRST(&ring->inactive);
2758 STAILQ_REMOVE_HEAD(&ring->inactive, next);
2759
2760 cmd->cb = cb;
2761
2762 if(arg != NULL)
2763 memcpy(cmd->data, arg, len);
2764
2765 STAILQ_INSERT_TAIL(&ring->active, cmd, next);
2766 ring->queued++;
2767
2768 run_cmd_task = (ring->queued == 1);
2769
2770 RT2870_SOFTC_UNLOCK(sc);
2771
2772 if (run_cmd_task)
2773 taskqueue_enqueue(sc->taskqueue, &sc->cmd_task);
2774
2775 return 0;
2776 }
2777
2778 /*
2779 * rt2870_updateslot_cb
2780 */
2781 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg)
2782 {
2783 RT2870_SOFTC_LOCK(sc);
2784
2785 rt2870_asic_updateslot(sc);
2786
2787 RT2870_SOFTC_UNLOCK(sc);
2788 }
2789
2790 /*
2791 * rt2870_wme_update_cb
2792 */
2793 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg)
2794 {
2795 RT2870_SOFTC_LOCK(sc);
2796
2797 rt2870_asic_wme_update(sc);
2798
2799 RT2870_SOFTC_UNLOCK(sc);
2800 }
2801
2802 /*
2803 * rt2870_vap_key_delete_cb
2804 */
2805 static void rt2870_vap_key_delete_cb(struct rt2870_softc *sc, void *arg)
2806 {
2807 struct ieee80211_key *k;
2808 struct rt2870_cmd_argv_keydelete *cmd_argv;
2809 uint16_t associd;
2810 uint8_t vapid, wcid;
2811 uint32_t tmp;
2812
2813 cmd_argv = arg;
2814 k = &cmd_argv->key;
2815 associd = cmd_argv->associd;
2816
2817 RT2870_SOFTC_LOCK(sc);
2818
2819 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2820 {
2821 /* remove pairwise key */
2822
2823 vapid = 0;
2824 wcid = RT2870_AID2WCID(associd);
2825
2826 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2827 (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2828
2829 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2830 }
2831 else
2832 {
2833 /* remove group key */
2834
2835 vapid = 0;
2836
2837 tmp = rt2870_io_mac_read(sc, RT2870_REG_SKEY_MODE(vapid));
2838
2839 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2840 tmp |= (RT2870_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2841
2842 rt2870_io_mac_write(sc, RT2870_REG_SKEY_MODE(vapid), tmp);
2843 }
2844
2845 RT2870_SOFTC_UNLOCK(sc);
2846 }
2847
2848 /*
2849 * rt2870_vap_update_beacon_cb
2850 */
2851 static void rt2870_vap_update_beacon_cb(struct rt2870_softc *sc, void *arg)
2852 {
2853 struct ifnet *ifp;
2854 struct ieee80211com *ic;
2855 struct ieee80211vap *vap;
2856
2857 ifp = sc->ifp;
2858 ic = ifp->if_l2com;
2859 vap = TAILQ_FIRST(&ic->ic_vaps);
2860
2861 if (vap == NULL)
2862 return;
2863
2864 RT2870_SOFTC_LOCK(sc);
2865
2866 rt2870_asic_update_beacon(sc, vap);
2867
2868 RT2870_SOFTC_UNLOCK(sc);
2869 }
2870
2871 /*
2872 * rt2870_asic_set_bssid
2873 */
2874 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
2875 const uint8_t *bssid)
2876 {
2877 uint32_t tmp;
2878
2879 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2880 "%s: set bssid: bssid=%s\n",
2881 device_get_nameunit(sc->dev),
2882 ether_sprintf(bssid));
2883
2884 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2885
2886 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW0, tmp);
2887
2888 tmp = bssid[4] | (bssid[5] << 8);
2889
2890 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW1, tmp);
2891 }
2892
2893 /*
2894 * rt2870_asic_set_macaddr
2895 */
2896 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
2897 const uint8_t *addr)
2898 {
2899 uint32_t tmp;
2900
2901 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2902
2903 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW0, tmp);
2904
2905 tmp = addr[4] | (addr[5] << 8);
2906
2907 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW1, tmp);
2908 }
2909
2910 /*
2911 * rt2870_asic_enable_tsf_sync
2912 */
2913 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc)
2914 {
2915 struct ifnet *ifp;
2916 struct ieee80211com *ic;
2917 struct ieee80211vap *vap;
2918 uint32_t tmp;
2919
2920 ifp = sc->ifp;
2921 ic = ifp->if_l2com;
2922 vap = TAILQ_FIRST(&ic->ic_vaps);
2923
2924 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2925 "%s: enabling TSF\n",
2926 device_get_nameunit(sc->dev));
2927
2928 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
2929
2930 tmp &= ~0x1fffff;
2931 tmp |= vap->iv_bss->ni_intval * 16;
2932 tmp |= (RT2870_REG_TSF_TIMER_ENABLE | RT2870_REG_TBTT_TIMER_ENABLE);
2933
2934 if (vap->iv_opmode == IEEE80211_M_STA)
2935 {
2936 tmp |= (RT2870_REG_TSF_SYNC_MODE_STA << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2937 }
2938 else if (vap->iv_opmode == IEEE80211_M_IBSS)
2939 {
2940 tmp |= RT2870_REG_BCN_TX_ENABLE;
2941 tmp |= (RT2870_REG_TSF_SYNC_MODE_IBSS << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2942 }
2943 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2944 {
2945 tmp |= RT2870_REG_BCN_TX_ENABLE;
2946 tmp |= (RT2870_REG_TSF_SYNC_MODE_HOSTAP << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2947 }
2948
2949 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
2950 }
2951
2952 /*
2953 * rt2870_asic_disable_tsf_sync
2954 */
2955 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc)
2956 {
2957 uint32_t tmp;
2958
2959 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2960 "%s: disabling TSF\n",
2961 device_get_nameunit(sc->dev));
2962
2963 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
2964
2965 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
2966 RT2870_REG_TSF_TIMER_ENABLE |
2967 RT2870_REG_TBTT_TIMER_ENABLE);
2968
2969 tmp &= ~(RT2870_REG_TSF_SYNC_MODE_MASK << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2970 tmp |= (RT2870_REG_TSF_SYNC_MODE_DISABLE << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2971
2972 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
2973 }
2974
2975 /*
2976 * rt2870_asic_enable_mrr
2977 */
2978 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc)
2979 {
2980 #define CCK(mcs) (mcs)
2981 #define OFDM(mcs) ((1 << 3) | (mcs))
2982 #define HT(mcs) (mcs)
2983
2984 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG0,
2985 (OFDM(6) << 28) | /* 54 -> 48 */
2986 (OFDM(5) << 24) | /* 48 -> 36 */
2987 (OFDM(4) << 20) | /* 36 -> 24 */
2988 (OFDM(3) << 16) | /* 24 -> 18 */
2989 (OFDM(2) << 12) | /* 18 -> 12 */
2990 (OFDM(1) << 8) | /* 12 -> 9 */
2991 (OFDM(0) << 4) | /* 9 -> 6 */
2992 OFDM(0)); /* 6 -> 6 */
2993
2994 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG1,
2995 (CCK(2) << 12) | /* 11 -> 5.5 */
2996 (CCK(1) << 8) | /* 5.5 -> 2 */
2997 (CCK(0) << 4) | /* 2 -> 1 */
2998 CCK(0)); /* 1 -> 1 */
2999
3000 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG0,
3001 (HT(6) << 28) |
3002 (HT(5) << 24) |
3003 (HT(4) << 20) |
3004 (HT(3) << 16) |
3005 (HT(2) << 12) |
3006 (HT(1) << 8) |
3007 (HT(0) << 4) |
3008 HT(0));
3009
3010 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG1,
3011 (HT(14) << 28) |
3012 (HT(13) << 24) |
3013 (HT(12) << 20) |
3014 (HT(11) << 16) |
3015 (HT(10) << 12) |
3016 (HT(9) << 8) |
3017 (HT(8) << 4) |
3018 HT(8));
3019
3020 #undef HT
3021 #undef OFDM
3022 #undef CCK
3023 }
3024
3025 /*
3026 * rt2870_asic_set_txpreamble
3027 */
3028 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc)
3029 {
3030 struct ifnet *ifp;
3031 struct ieee80211com *ic;
3032 uint32_t tmp;
3033
3034 ifp = sc->ifp;
3035 ic = ifp->if_l2com;
3036
3037 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3038 "%s: %s short Tx preamble\n",
3039 device_get_nameunit(sc->dev),
3040 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3041
3042 tmp = rt2870_io_mac_read(sc, RT2870_REG_AUTO_RSP_CFG);
3043
3044 tmp &= ~RT2870_REG_CCK_SHORT_ENABLE;
3045
3046 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3047 tmp |= RT2870_REG_CCK_SHORT_ENABLE;
3048
3049 rt2870_io_mac_write(sc, RT2870_REG_AUTO_RSP_CFG, tmp);
3050 }
3051
3052 /*
3053 * rt2870_asic_set_basicrates
3054 */
3055 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc)
3056 {
3057 struct ifnet *ifp;
3058 struct ieee80211com *ic;
3059
3060 ifp = sc->ifp;
3061 ic = ifp->if_l2com;
3062
3063 if (ic->ic_curmode == IEEE80211_MODE_11B)
3064 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x3);
3065 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3066 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x150);
3067 else
3068 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x15f);
3069 }
3070
3071 /*
3072 * rt2870_asic_update_rtsthreshold
3073 */
3074 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc)
3075 {
3076 struct ifnet *ifp;
3077 struct ieee80211com *ic;
3078 struct ieee80211vap *vap;
3079 uint32_t tmp;
3080 uint16_t threshold;
3081
3082 ifp = sc->ifp;
3083 ic = ifp->if_l2com;
3084 vap = TAILQ_FIRST(&ic->ic_vaps);
3085
3086 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3087 "%s: updating RTS threshold: %d\n",
3088 device_get_nameunit(sc->dev), vap->iv_rtsthreshold);
3089
3090 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_RTS_CFG);
3091
3092 tmp &= ~(RT2870_REG_TX_RTS_THRESHOLD_MASK << RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3093
3094 threshold = (vap->iv_rtsthreshold < IEEE80211_RTS_MAX) ?
3095 vap->iv_rtsthreshold : 0x1000;
3096
3097 tmp |= ((threshold & RT2870_REG_TX_RTS_THRESHOLD_MASK) <<
3098 RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3099
3100 rt2870_io_mac_write(sc, RT2870_REG_TX_RTS_CFG, tmp);
3101 }
3102
3103 /*
3104 * rt2870_asic_update_txpower
3105 */
3106 static void rt2870_asic_update_txpower(struct rt2870_softc *sc)
3107 {
3108 struct ifnet *ifp;
3109 struct ieee80211com *ic;
3110 uint32_t *txpow_rate;
3111 int8_t delta;
3112 uint8_t val;
3113 uint32_t tmp;
3114 int i;
3115
3116 ifp = sc->ifp;
3117 ic = ifp->if_l2com;
3118
3119 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3120 "%s: updating Tx power: %d\n",
3121 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3122
3123 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3124 {
3125 txpow_rate = sc->txpow_rate_20mhz;
3126 }
3127 else
3128 {
3129 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3130 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3131 else
3132 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3133 }
3134
3135 delta = 0;
3136
3137 val = rt2870_io_bbp_read(sc, 1);
3138 val &= 0xfc;
3139
3140 if (ic->ic_txpowlimit > 90)
3141 {
3142 /* do nothing */
3143 }
3144 else if (ic->ic_txpowlimit > 60)
3145 {
3146 delta -= 1;
3147 }
3148 else if (ic->ic_txpowlimit > 30)
3149 {
3150 delta -= 3;
3151 }
3152 else if (ic->ic_txpowlimit > 15)
3153 {
3154 val |= 0x1;
3155 }
3156 else if (ic->ic_txpowlimit > 9)
3157 {
3158 val |= 0x1;
3159 delta -= 3;
3160 }
3161 else
3162 {
3163 val |= 0x2;
3164 }
3165
3166 rt2870_io_bbp_write(sc, 1, val);
3167
3168 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
3169 {
3170 if (txpow_rate[i] == 0xffffffff)
3171 continue;
3172
3173 tmp = rt2870_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3174
3175 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i), tmp);
3176 }
3177 }
3178
3179 /*
3180 * rt2870_asic_update_promisc
3181 */
3182 static void rt2870_asic_update_promisc(struct rt2870_softc *sc)
3183 {
3184 struct ifnet *ifp;
3185 uint32_t tmp;
3186
3187 ifp = sc->ifp;
3188
3189 printf("%s: %s promiscuous mode\n",
3190 device_get_nameunit(sc->dev),
3191 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3192
3193 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_FILTER_CFG);
3194
3195 tmp &= ~RT2870_REG_RX_FILTER_DROP_UC_NOME;
3196
3197 if (!(ifp->if_flags & IFF_PROMISC))
3198 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
3199
3200 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
3201 }
3202
3203 /*
3204 * rt2870_asic_updateprot
3205 */
3206 static void rt2870_asic_updateprot(struct rt2870_softc *sc)
3207 {
3208 struct ifnet *ifp;
3209 struct ieee80211com *ic;
3210 struct ieee80211vap *vap;
3211 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3212 uint8_t htopmode;
3213 enum ieee80211_protmode htprotmode;
3214
3215 ifp = sc->ifp;
3216 ic = ifp->if_l2com;
3217 vap = TAILQ_FIRST(&ic->ic_vaps);
3218
3219 /* CCK frame protection */
3220
3221 cck_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3222 RT2870_REG_TXOP_ALLOW_ALL | RT2870_REG_PROT_CTRL_NONE;
3223
3224 /* set up protection frame phy mode and rate (MCS code) */
3225
3226 if (ic->ic_curmode == IEEE80211_MODE_11A)
3227 cck_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3228 (0 << RT2870_REG_PROT_MCS_SHIFT);
3229 else
3230 cck_prot |= ((RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3231 (3 << RT2870_REG_PROT_MCS_SHIFT));
3232
3233 rt2870_io_mac_write(sc, RT2870_REG_TX_CCK_PROT_CFG, cck_prot);
3234
3235 /* OFDM frame protection */
3236
3237 ofdm_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3238 RT2870_REG_TXOP_ALLOW_ALL;
3239
3240 if (ic->ic_flags & IEEE80211_F_USEPROT)
3241 {
3242 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3243 "%s: updating protection mode: b/g protection mode=%s\n",
3244 device_get_nameunit(sc->dev),
3245 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3246 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3247
3248 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3249 ofdm_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3250 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3251 ofdm_prot |= RT2870_REG_PROT_CTRL_CTS;
3252 else
3253 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3254 }
3255 else
3256 {
3257 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3258 "%s: updating protection mode: b/g protection mode=%s\n",
3259 device_get_nameunit(sc->dev), "none");
3260
3261 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3262 }
3263
3264 rt2870_io_mac_write(sc, RT2870_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3265
3266 /* HT frame protection */
3267
3268 if ((vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3269 htopmode = vap->iv_bss->ni_htopmode;
3270 else
3271 htopmode = ic->ic_curhtprotmode;
3272
3273 htprotmode = ic->ic_htprotmode;
3274
3275 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3276
3277 if (sc->tx_ampdu_sessions > 0)
3278 {
3279 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3280 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3281 device_get_nameunit(sc->dev));
3282
3283 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3284 htprotmode = IEEE80211_PROT_RTSCTS;
3285 }
3286
3287 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3288 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3289 device_get_nameunit(sc->dev),
3290 htopmode & IEEE80211_HTINFO_OPMODE,
3291 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3292 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3293
3294 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3295 {
3296 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3297 case IEEE80211_HTINFO_OPMODE_HT20PR:
3298 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3299 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3300 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3301 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3302 (4 << RT2870_REG_PROT_MCS_SHIFT);
3303
3304 gf20_prot = mm20_prot;
3305
3306 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3307 RT2870_REG_TXOP_ALLOW_ALL |
3308 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3309 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3310
3311 if (htprotmode == IEEE80211_PROT_RTSCTS)
3312 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3313 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3314 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3315 else
3316 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3317
3318 gf40_prot = mm40_prot;
3319 break;
3320
3321 /* IEEE80211_HTINFO_OPMODE_MIXED */
3322 case IEEE80211_HTINFO_OPMODE_MIXED:
3323 mm20_prot = RT2870_REG_PROT_NAV_SHORT |
3324 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3325 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20;
3326
3327 if (ic->ic_flags & IEEE80211_F_USEPROT)
3328 mm20_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3329 (3 << RT2870_REG_PROT_MCS_SHIFT);
3330 else
3331 mm20_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3332 (4 << RT2870_REG_PROT_MCS_SHIFT);
3333
3334 if (htprotmode == IEEE80211_PROT_RTSCTS)
3335 mm20_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3336 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3337 mm20_prot |= RT2870_REG_PROT_CTRL_CTS;
3338 else
3339 mm20_prot |= RT2870_REG_PROT_CTRL_NONE;
3340
3341 gf20_prot = mm20_prot;
3342
3343 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_TXOP_ALLOW_ALL;
3344
3345 if (ic->ic_flags & IEEE80211_F_USEPROT)
3346 mm40_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3347 (3 << RT2870_REG_PROT_MCS_SHIFT);
3348 else
3349 mm40_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3350 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3351
3352 if (htprotmode == IEEE80211_PROT_RTSCTS)
3353 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3354 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3355 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3356 else
3357 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3358
3359 gf40_prot = mm40_prot;
3360 break;
3361
3362 /*
3363 * IEEE80211_HTINFO_OPMODE_PURE
3364 * IEEE80211_HTINFO_OPMODE_PROTOPT
3365 */
3366 case IEEE80211_HTINFO_OPMODE_PURE:
3367 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3368 default:
3369 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3370 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3371 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3372 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3373 (4 << RT2870_REG_PROT_MCS_SHIFT);
3374
3375 gf20_prot = mm20_prot;
3376
3377 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3378 RT2870_REG_TXOP_ALLOW_ALL |
3379 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3380 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3381
3382 gf40_prot = mm40_prot;
3383 break;
3384 }
3385
3386 rt2870_io_mac_write(sc, RT2870_REG_TX_MM20_PROT_CFG, mm20_prot);
3387 rt2870_io_mac_write(sc, RT2870_REG_TX_MM40_PROT_CFG, mm40_prot);
3388 rt2870_io_mac_write(sc, RT2870_REG_TX_GF20_PROT_CFG, gf20_prot);
3389 rt2870_io_mac_write(sc, RT2870_REG_TX_GF40_PROT_CFG, gf40_prot);
3390 }
3391
3392 /*
3393 * rt2870_asic_updateslot
3394 */
3395 static void rt2870_asic_updateslot(struct rt2870_softc *sc)
3396 {
3397 struct ifnet *ifp;
3398 struct ieee80211com *ic;
3399 uint32_t tmp;
3400
3401 ifp = sc->ifp;
3402 ic = ifp->if_l2com;
3403
3404 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3405 "%s: %s short slot time\n",
3406 device_get_nameunit(sc->dev),
3407 (ic->ic_flags & IEEE80211_F_SHSLOT) ? "enabling" : "disabling");
3408
3409 tmp = rt2870_io_mac_read(sc, RT2870_REG_BKOFF_SLOT_CFG);
3410
3411 tmp &= ~0xff;
3412 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
3413
3414 rt2870_io_mac_write(sc, RT2870_REG_BKOFF_SLOT_CFG, tmp);
3415 }
3416
3417 /*
3418 * rt2870_asic_wme_update
3419 */
3420 static void rt2870_asic_wme_update(struct rt2870_softc *sc)
3421 {
3422 struct ifnet *ifp;
3423 struct ieee80211com *ic;
3424 struct ieee80211_wme_state *wme;
3425 const struct wmeParams *wmep;
3426 int i;
3427
3428 ifp = sc->ifp;
3429 ic = ifp->if_l2com;
3430 wme = &ic->ic_wme;
3431 wmep = wme->wme_chanParams.cap_wmeParams;
3432
3433 RT2870_DPRINTF(sc, RT2870_DEBUG_WME,
3434 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3435 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3436 device_get_nameunit(sc->dev),
3437 wmep[WME_AC_VO].wmep_aifsn,
3438 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3439 wmep[WME_AC_VO].wmep_txopLimit,
3440 wmep[WME_AC_VI].wmep_aifsn,
3441 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3442 wmep[WME_AC_VI].wmep_txopLimit,
3443 wmep[WME_AC_BK].wmep_aifsn,
3444 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3445 wmep[WME_AC_BK].wmep_txopLimit,
3446 wmep[WME_AC_BE].wmep_aifsn,
3447 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3448 wmep[WME_AC_BE].wmep_txopLimit);
3449
3450 for (i = 0; i < WME_NUM_AC; i++)
3451 rt2870_io_mac_write(sc, RT2870_REG_TX_EDCA_AC_CFG(i),
3452 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3453 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3454
3455 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_AIFSN_CFG,
3456 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3457 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3458
3459 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMIN_CFG,
3460 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3461 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3462
3463 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMAX_CFG,
3464 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3465 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3466
3467 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG,
3468 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3469
3470 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
3471 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3472 }
3473
3474 /*
3475 * rt2870_asic_update_beacon
3476 */
3477 static int rt2870_asic_update_beacon(struct rt2870_softc *sc,
3478 struct ieee80211vap *vap)
3479 {
3480 struct ifnet *ifp;
3481 struct ieee80211com *ic;
3482 struct rt2870_softc_vap *rvap;
3483 const struct ieee80211_txparam *tp;
3484 struct mbuf *m;
3485 struct rt2870_txwi txwi;
3486 uint8_t rate, mcs;
3487 uint32_t tmp;
3488
3489 ifp = sc->ifp;
3490 ic = ifp->if_l2com;
3491 rvap = (struct rt2870_softc_vap *) vap;
3492 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
3493
3494 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3495 if (m == NULL)
3496 return ENOMEM;
3497
3498 rate = tp->mgmtrate;
3499 mcs = rt2870_rate2mcs(rate);
3500
3501 memset(&txwi, 0, sizeof(struct rt2870_txwi));
3502
3503 txwi.wcid = 0xff;
3504 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2870_TXWI_MPDU_LEN_MASK) <<
3505 RT2870_TXWI_MPDU_LEN_SHIFT);
3506 txwi.txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
3507 txwi.mpdu_density_flags |=
3508 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
3509 txwi.bawin_size_xflags |=
3510 (RT2870_TXWI_XFLAGS_NSEQ << RT2870_TXWI_XFLAGS_SHIFT);
3511
3512 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3513 {
3514 txwi.phymode_ifs_stbc_shortgi =
3515 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
3516
3517 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3518 mcs |= RT2870_TXWI_MCS_SHOTPRE;
3519 }
3520 else
3521 {
3522 txwi.phymode_ifs_stbc_shortgi =
3523 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
3524 }
3525
3526 txwi.bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
3527 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
3528
3529 /* disable temporarily TSF sync */
3530
3531 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3532
3533 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3534 RT2870_REG_TSF_TIMER_ENABLE |
3535 RT2870_REG_TBTT_TIMER_ENABLE);
3536
3537 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3538
3539 /* write Tx wireless info and beacon frame to on-chip memory */
3540
3541 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0),
3542 &txwi, sizeof(struct rt2870_txwi));
3543
3544 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0) + sizeof(struct rt2870_txwi),
3545 mtod(m, uint8_t *), m->m_pkthdr.len);
3546
3547 /* enable again TSF sync */
3548
3549 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3550
3551 tmp |= (RT2870_REG_BCN_TX_ENABLE |
3552 RT2870_REG_TSF_TIMER_ENABLE |
3553 RT2870_REG_TBTT_TIMER_ENABLE);
3554
3555 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3556
3557 m_freem(m);
3558
3559 return 0;
3560 }
3561
3562 /*
3563 * rt2870_asic_clear_keytables
3564 */
3565 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc)
3566 {
3567 int i;
3568
3569 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3570
3571 for (i = 0; i < 256; i++)
3572 {
3573 rt2870_io_mac_write(sc, RT2870_REG_WCID(i), 0xffffffff);
3574 rt2870_io_mac_write(sc, RT2870_REG_WCID(i) + 4, 0x0000ffff);
3575 }
3576
3577 /* clear WCID attribute table (entries = 256, entry size = 4) */
3578
3579 rt2870_io_mac_set_region_4(sc, RT2870_REG_WCID_ATTR(0), 0, 256);
3580
3581 /* clear IV/EIV table (entries = 256, entry size = 8) */
3582
3583 rt2870_io_mac_set_region_4(sc, RT2870_REG_IVEIV(0), 0, 2 * 256);
3584
3585 /* clear pairwise key table (entries = 256, entry size = 32) */
3586
3587 rt2870_io_mac_set_region_4(sc, RT2870_REG_PKEY(0), 0, 8 * 256);
3588
3589 /* clear shared key table (entries = 32, entry size = 32) */
3590
3591 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY(0, 0), 0, 8 * 32);
3592
3593 /* clear shared key mode (entries = 32, entry size = 2) */
3594
3595 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY_MODE(0), 0, 16);
3596 }
3597
3598 /*
3599 * rt2870_rxrate
3600 */
3601 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi)
3602 {
3603 uint8_t mcs, phymode;
3604 uint8_t rate;
3605
3606 mcs = (rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK;
3607 phymode = (rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3608 RT2870_RXWI_PHYMODE_MASK;
3609
3610 rate = 2;
3611
3612 switch (phymode)
3613 {
3614 case RT2870_RXWI_PHYMODE_CCK:
3615 switch (mcs & ~RT2870_RXWI_MCS_SHOTPRE)
3616 {
3617 case 0: rate = 2; break; /* 1 Mbps */
3618 case 1: rate = 4; break; /* 2 MBps */
3619 case 2: rate = 11; break; /* 5.5 Mbps */
3620 case 3: rate = 22; break; /* 11 Mbps */
3621 }
3622 break;
3623
3624 case RT2870_RXWI_PHYMODE_OFDM:
3625 switch (mcs)
3626 {
3627 case 0: rate = 12; break; /* 6 Mbps */
3628 case 1: rate = 18; break; /* 9 Mbps */
3629 case 2: rate = 24; break; /* 12 Mbps */
3630 case 3: rate = 36; break; /* 18 Mbps */
3631 case 4: rate = 48; break; /* 24 Mbps */
3632 case 5: rate = 72; break; /* 36 Mbps */
3633 case 6: rate = 96; break; /* 48 Mbps */
3634 case 7: rate = 108; break; /* 54 Mbps */
3635 }
3636 break;
3637
3638 case RT2870_RXWI_PHYMODE_HT_MIXED:
3639 case RT2870_RXWI_PHYMODE_HT_GF:
3640 break;
3641 }
3642
3643 return rate;
3644 }
3645
3646 /*
3647 * rt2870_maxrssi_rxpath
3648 */
3649 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
3650 const struct rt2870_rxwi *rxwi)
3651 {
3652 uint8_t rxpath;
3653
3654 rxpath = 0;
3655
3656 if (sc->nrxpath > 1)
3657 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3658 rxpath = 1;
3659
3660 if (sc->nrxpath > 2)
3661 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3662 rxpath = 2;
3663
3664 return rxpath;
3665 }
3666
3667 /*
3668 * rt2870_rssi2dbm
3669 */
3670 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
3671 uint8_t rssi, uint8_t rxpath)
3672 {
3673 struct ifnet *ifp;
3674 struct ieee80211com *ic;
3675 struct ieee80211_channel *c;
3676 int chan;
3677 int8_t rssi_off, lna_gain;
3678
3679 if (rssi == 0)
3680 return -99;
3681
3682 ifp = sc->ifp;
3683 ic = ifp->if_l2com;
3684 c = ic->ic_curchan;
3685 chan = ieee80211_chan2ieee(ic, c);
3686
3687 if (IEEE80211_IS_CHAN_5GHZ(c))
3688 {
3689 rssi_off = sc->rssi_off_5ghz[rxpath];
3690
3691 if (chan <= 64)
3692 lna_gain = sc->lna_gain[1];
3693 else if (chan <= 128)
3694 lna_gain = sc->lna_gain[2];
3695 else
3696 lna_gain = sc->lna_gain[3];
3697 }
3698 else
3699 {
3700 rssi_off = sc->rssi_off_2ghz[rxpath];
3701 lna_gain = sc->lna_gain[0];
3702 }
3703
3704 return (-12 - rssi_off - lna_gain - rssi);
3705 }
3706
3707 /*
3708 * rt2870_rate2mcs
3709 */
3710 static uint8_t rt2870_rate2mcs(uint8_t rate)
3711 {
3712 switch (rate)
3713 {
3714 /* CCK rates */
3715 case 2: return 0;
3716 case 4: return 1;
3717 case 11: return 2;
3718 case 22: return 3;
3719
3720 /* OFDM rates */
3721 case 12: return 0;
3722 case 18: return 1;
3723 case 24: return 2;
3724 case 36: return 3;
3725 case 48: return 4;
3726 case 72: return 5;
3727 case 96: return 6;
3728 case 108: return 7;
3729 }
3730
3731 return 0;
3732 }
3733
3734 /*
3735 * rt2870_rx_frame
3736 */
3737 static void rt2870_rx_frame(struct rt2870_softc *sc,
3738 uint8_t *buf, uint32_t dmalen)
3739 {
3740 struct ifnet *ifp;
3741 struct ieee80211com *ic;
3742 struct ieee80211_frame *wh;
3743 struct ieee80211_node *ni;
3744 struct rt2870_softc_rx_radiotap_header *tap;
3745 struct rt2870_rxwi *rxwi;
3746 struct rt2870_rxinfo *rxinfo;
3747 struct mbuf *m;
3748 uint32_t rxinfo_flags;
3749 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
3750 int8_t rssi_dbm;
3751 int len, ampdu, amsdu, rssi_dbm_rel;
3752
3753 ifp = sc->ifp;
3754 ic = ifp->if_l2com;
3755
3756 /* get Rx wireless info */
3757
3758 rxwi = (struct rt2870_rxwi *) buf;
3759 len = (le16toh(rxwi->tid_size) >> RT2870_RXWI_SIZE_SHIFT) &
3760 RT2870_RXWI_SIZE_MASK;
3761
3762 if (len > dmalen)
3763 {
3764 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3765 "%s: bad rxwi len: DMA len=%d, rxwi len=%d\n",
3766 device_get_nameunit(sc->dev), dmalen, len);
3767 return;
3768 }
3769
3770 /* get Rx info */
3771
3772 rxinfo = (struct rt2870_rxinfo *) ((caddr_t) rxwi + dmalen);
3773 rxinfo_flags = le32toh(rxinfo->flags);
3774
3775 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3776 "%s: Rx frame: DMA len=%d, len=%d, rxinfo flags=0x%08x\n",
3777 device_get_nameunit(sc->dev), dmalen, len, rxinfo_flags);
3778
3779 /* check for crc errors */
3780
3781 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
3782 {
3783 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3784 "%s: rxinfo: crc error\n",
3785 device_get_nameunit(sc->dev));
3786
3787 ifp->if_ierrors++;
3788
3789 if (!(ifp->if_flags & IFF_PROMISC))
3790 return;
3791 }
3792
3793 wh = (struct ieee80211_frame *) (rxwi + 1);
3794
3795 /* check for L2 padding between IEEE 802.11 frame header and body */
3796
3797 if (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD)
3798 {
3799 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3800 "%s: L2 padding: DMA len=%d, len=%d\n",
3801 device_get_nameunit(sc->dev), dmalen, len);
3802
3803 len += 2;
3804 }
3805
3806 m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
3807 if (m == NULL)
3808 {
3809 sc->rx_mbuf_alloc_errors++;
3810 ifp->if_ierrors++;
3811 return;
3812 }
3813
3814 m->m_pkthdr.rcvif = ifp;
3815 m->m_pkthdr.len = m->m_len = len;
3816
3817 m_copyback(m, 0, len, (caddr_t) wh);
3818
3819 wh = mtod(m, struct ieee80211_frame *);
3820
3821 /* check for cipher errors */
3822
3823 if (rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED)
3824 {
3825 cipher_err = ((rxinfo_flags >> RT2870_RXINFO_FLAGS_CIPHER_ERR_SHIFT) &
3826 RT2870_RXINFO_FLAGS_CIPHER_ERR_MASK);
3827 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_NONE)
3828 {
3829 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3830 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3831
3832 m->m_flags |= M_WEP;
3833 }
3834 else
3835 {
3836 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3837 "%s: rxinfo: cipher error=0x%02x\n",
3838 device_get_nameunit(sc->dev), cipher_err);
3839
3840 ifp->if_ierrors++;
3841
3842 if (!(ifp->if_flags & IFF_PROMISC))
3843 {
3844 m_free(m);
3845 return;
3846 }
3847 }
3848 }
3849 else
3850 {
3851 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3852 {
3853 ifp->if_ierrors++;
3854
3855 if (!(ifp->if_flags & IFF_PROMISC))
3856 {
3857 m_free(m);
3858 return;
3859 }
3860 }
3861 }
3862
3863 /* check for A-MPDU */
3864
3865 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMPDU)
3866 {
3867 m->m_flags |= M_AMPDU;
3868
3869 sc->rx_ampdu++;
3870
3871 ampdu = 1;
3872 }
3873 else
3874 {
3875 ampdu = 0;
3876 }
3877
3878 /* check for A-MSDU */
3879
3880 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMSDU)
3881 {
3882 sc->rx_amsdu++;
3883
3884 amsdu = 1;
3885 }
3886 else
3887 {
3888 amsdu = 0;
3889 }
3890
3891 ant = rt2870_maxrssi_rxpath(sc, rxwi);
3892 rssi = rxwi->rssi[ant];
3893 rssi_dbm = rt2870_rssi2dbm(sc, rssi, ant);
3894 phymode = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3895 RT2870_RXWI_PHYMODE_MASK);
3896 bw = ((rxwi->bw_mcs >> RT2870_RXWI_BW_SHIFT) & RT2870_RXWI_BW_MASK);
3897 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_SHORTGI_SHIFT) &
3898 RT2870_RXWI_SHORTGI_MASK);
3899 mcs = ((rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK);
3900
3901 if (ieee80211_radiotap_active(ic))
3902 {
3903 tap = &sc->rxtap;
3904
3905 tap->flags = (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
3906 tap->dbm_antsignal = rssi_dbm;
3907 tap->dbm_antnoise = RT2870_NOISE_FLOOR;
3908 tap->antenna = ant;
3909 tap->antsignal = rssi;
3910 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3911 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3912 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3913 tap->chan_maxpow = 0;
3914
3915 if (phymode == RT2870_RXWI_PHYMODE_CCK || phymode == RT2870_RXWI_PHYMODE_OFDM)
3916 tap->rate = rt2870_rxrate(rxwi);
3917 else
3918 tap->rate = mcs | IEEE80211_RATE_MCS;
3919
3920 if (rxwi->bw_mcs & RT2870_RXWI_MCS_SHOTPRE)
3921 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3922
3923 if (shortgi)
3924 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3925 }
3926
3927 /*
3928 * net80211 assumes that RSSI data are in the range [-127..127] and
3929 * in .5 dBm units relative to the current noise floor
3930 */
3931
3932 rssi_dbm_rel = (rssi_dbm - RT2870_NOISE_FLOOR) * 2;
3933 if (rssi_dbm_rel > 127)
3934 rssi_dbm_rel = 127;
3935
3936 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3937 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
3938 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d, "
3939 "rssi_dbm=%d, rssi_dbm_rel=%d\n",
3940 device_get_nameunit(sc->dev),
3941 len, phymode, bw, shortgi, mcs,
3942 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
3943 rxwi->snr[0], rxwi->snr[1],
3944 rxwi->wcid, ampdu, amsdu, rssi_dbm, rssi_dbm_rel);
3945
3946 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
3947 if (ni != NULL)
3948 {
3949 ieee80211_input(ni, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
3950 ieee80211_free_node(ni);
3951 }
3952 else
3953 {
3954 ieee80211_input_all(ic, m, rssi_dbm_rel, RT2870_NOISE_FLOOR);
3955 }
3956 }
3957
3958 /*
3959 * rt2870_tx_mgmt
3960 */
3961 static int rt2870_tx_mgmt(struct rt2870_softc *sc,
3962 struct mbuf *m, struct ieee80211_node *ni, int qid)
3963 {
3964 struct ifnet *ifp;
3965 struct ieee80211com *ic;
3966 struct ieee80211vap *vap;
3967 const struct ieee80211_txparam *tp;
3968 struct rt2870_softc_node *rni;
3969 struct rt2870_softc_tx_ring *ring;
3970 struct rt2870_softc_tx_data *data;
3971 struct rt2870_txinfo *txinfo;
3972 struct rt2870_txwi *txwi;
3973 struct ieee80211_frame *wh;
3974 struct rt2870_softc_tx_radiotap_header *tap;
3975 u_int hdrsize, hdrspace;
3976 uint8_t rate, stbc, shortgi, mcs, pid;
3977 uint16_t len, dmalen, mpdu_len, dur;
3978
3979 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
3980 ("%s: Tx MGMT: invalid qid=%d\n",
3981 device_get_nameunit(sc->dev), qid));
3982
3983 ifp = sc->ifp;
3984 ic = ifp->if_l2com;
3985 vap = ni->ni_vap;
3986 rni = (struct rt2870_softc_node *) ni;
3987 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
3988
3989 ring = &sc->tx_ring[qid];
3990 data = STAILQ_FIRST(&ring->inactive);
3991 STAILQ_REMOVE_HEAD(&ring->inactive, next);
3992 txinfo = (struct rt2870_txinfo *) data->buf;
3993 txwi = (struct rt2870_txwi *) (txinfo + 1);
3994
3995 wh = mtod(m, struct ieee80211_frame *);
3996
3997 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
3998
3999 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4000
4001 /* align end on a 4-bytes boundary */
4002
4003 dmalen = (len + 3) & ~3;
4004
4005 /* fill Tx info */
4006
4007 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4008
4009 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
4010
4011 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4012
4013 dmalen += 4;
4014
4015 memset((caddr_t) txinfo + len, 0, dmalen - len);
4016
4017 /* fill Tx wireless info */
4018
4019 if (ni->ni_flags & IEEE80211_NODE_HT)
4020 mcs = rate;
4021 else
4022 mcs = rt2870_rate2mcs(rate);
4023
4024 pid = mcs;
4025
4026 /* calculate MPDU length without padding */
4027
4028 hdrsize = ieee80211_hdrsize(wh);
4029 hdrspace = ieee80211_hdrspace(ic, wh);
4030 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4031
4032 memset(txwi, 0, sizeof(struct rt2870_txwi));
4033
4034 /* management frames do not need encryption */
4035
4036 txwi->wcid = 0xff;
4037
4038 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4039 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4040 RT2870_TXWI_MPDU_LEN_SHIFT);
4041
4042 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
4043
4044 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4045 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
4046
4047 txwi->phymode_ifs_stbc_shortgi |=
4048 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4049 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4050
4051 txwi->phymode_ifs_stbc_shortgi |=
4052 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4053
4054 if (ni->ni_flags & IEEE80211_NODE_HT)
4055 {
4056 txwi->phymode_ifs_stbc_shortgi |=
4057 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4058 }
4059 else
4060 {
4061 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4062 {
4063 txwi->phymode_ifs_stbc_shortgi |=
4064 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4065
4066 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4067 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4068 }
4069 else
4070 {
4071 txwi->phymode_ifs_stbc_shortgi |=
4072 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4073 }
4074 }
4075
4076 txwi->bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
4077 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4078
4079 txwi->txop = (RT2870_TXWI_TXOP_BACKOFF << RT2870_TXWI_TXOP_SHIFT);
4080
4081 /* skip ACKs for multicast frames and probe responses */
4082
4083 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4084 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) !=
4085 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)))
4086 {
4087 txwi->bawin_size_xflags |=
4088 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4089
4090 if (ni->ni_flags & IEEE80211_NODE_HT)
4091 {
4092 /* preamble + plcp + signal extension */
4093
4094 dur = 16 + 4 + 6;
4095 }
4096 else
4097 {
4098 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4099 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4100 }
4101
4102 *(uint16_t *) wh->i_dur = htole16(dur);
4103 }
4104
4105 /* ask MAC to insert timestamp into probe responses */
4106
4107 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4108 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4109 txwi->mpdu_density_flags |=
4110 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4111
4112 if (ieee80211_radiotap_active_vap(vap))
4113 {
4114 tap = &sc->txtap;
4115
4116 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4117 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4118 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4119 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4120 tap->chan_maxpow = 0;
4121
4122 if (ni->ni_flags & IEEE80211_NODE_HT)
4123 tap->rate = mcs | IEEE80211_RATE_MCS;
4124 else
4125 tap->rate = rate;
4126
4127 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4128 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4129
4130 if (shortgi)
4131 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4132
4133 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4134 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4135
4136 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4137 {
4138 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4139
4140 ieee80211_radiotap_tx(vap, m);
4141
4142 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4143 }
4144 else
4145 {
4146 ieee80211_radiotap_tx(vap, m);
4147 }
4148 }
4149
4150 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4151
4152 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4153 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4154 "stbc=%d, shortgi=%d, mcs=%d, DMA len=%d\n",
4155 device_get_nameunit(sc->dev),
4156 qid, hdrsize, hdrspace, m->m_pkthdr.len, stbc, shortgi, mcs, dmalen);
4157
4158 data->len = dmalen;
4159 data->m = m;
4160 data->ni = ni;
4161
4162 STAILQ_INSERT_TAIL(&ring->pending, data, next);
4163 ring->queued++;
4164
4165 usbd_transfer_start(sc->usb_xfer[1 + qid]);
4166
4167 return 0;
4168 }
4169
4170 /*
4171 * rt2870_tx_data
4172 */
4173 static int rt2870_tx_data(struct rt2870_softc *sc,
4174 struct mbuf *m, struct ieee80211_node *ni, int qid)
4175 {
4176 struct ifnet *ifp;
4177 struct ieee80211com *ic;
4178 struct ieee80211vap *vap;
4179 const struct ieee80211_txparam *tp;
4180 struct rt2870_softc_node *rni;
4181 struct rt2870_softc_tx_ring *ring;
4182 struct rt2870_softc_tx_data *data;
4183 struct rt2870_txinfo *txinfo;
4184 struct rt2870_txwi *txwi;
4185 struct ieee80211_frame *wh;
4186 struct ieee80211_tx_ampdu *tx_ampdu;
4187 ieee80211_seq seqno;
4188 struct rt2870_softc_tx_radiotap_header *tap;
4189 u_int hdrsize, hdrspace;
4190 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size;
4191 uint16_t qos, len, dmalen, mpdu_len, dur;
4192 int hasqos, ac, tid, ampdu;
4193
4194 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4195 ("%s: Tx data: invalid qid=%d\n",
4196 device_get_nameunit(sc->dev), qid));
4197
4198 ifp = sc->ifp;
4199 ic = ifp->if_l2com;
4200 vap = ni->ni_vap;
4201 rni = (struct rt2870_softc_node *) ni;
4202 tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)];
4203
4204 ring = &sc->tx_ring[qid];
4205 data = STAILQ_FIRST(&ring->inactive);
4206 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4207 txinfo = (struct rt2870_txinfo *) data->buf;
4208 txwi = (struct rt2870_txwi *) (txinfo + 1);
4209
4210 wh = mtod(m, struct ieee80211_frame *);
4211
4212 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4213
4214 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4215 if (hasqos)
4216 {
4217 if (IEEE80211_HAS_ADDR4(wh))
4218 qos = le16toh(*(const uint16_t *)
4219 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4220 else
4221 qos = le16toh(*(const uint16_t *)
4222 (((struct ieee80211_qosframe *) wh)->i_qos));
4223 }
4224 else
4225 {
4226 qos = 0;
4227 }
4228
4229 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4230 rate = tp->mcastrate;
4231 else if (m->m_flags & M_EAPOL)
4232 rate = tp->mgmtrate;
4233 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4234 rate = tp->ucastrate;
4235 else
4236 rate = ni->ni_txrate;
4237
4238 rate &= IEEE80211_RATE_VAL;
4239
4240 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4241
4242 /* align end on a 4-bytes boundary */
4243
4244 dmalen = (len + 3) & ~3;
4245
4246 /* fill Tx info */
4247
4248 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4249
4250 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
4251
4252 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4253
4254 dmalen += 4;
4255
4256 memset((caddr_t) txinfo + len, 0, dmalen - len);
4257
4258 /* fill Tx wireless info */
4259
4260 if (ni->ni_flags & IEEE80211_NODE_HT)
4261 mcs = rate;
4262 else
4263 mcs = rt2870_rate2mcs(rate);
4264
4265 pid = mcs;
4266
4267 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
4268 RT2870_AID2WCID(ni->ni_associd) : 0xff;
4269
4270 /* calculate MPDU length without padding */
4271
4272 hdrsize = ieee80211_hdrsize(wh);
4273 hdrspace = ieee80211_hdrspace(ic, wh);
4274 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4275
4276 memset(txwi, 0, sizeof(struct rt2870_txwi));
4277
4278 txwi->wcid = wcid;
4279
4280 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4281 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4282 RT2870_TXWI_MPDU_LEN_SHIFT);
4283
4284 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
4285
4286 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4287 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_flags & (IEEE80211_NODE_SGI20 | IEEE80211_NODE_SGI40));
4288
4289 txwi->phymode_ifs_stbc_shortgi |=
4290 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4291 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4292
4293 if (ni->ni_flags & IEEE80211_NODE_HT)
4294 {
4295 txwi->phymode_ifs_stbc_shortgi |=
4296 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4297 }
4298 else
4299 {
4300 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4301 {
4302 txwi->phymode_ifs_stbc_shortgi |=
4303 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4304
4305 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4306 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4307 }
4308 else
4309 {
4310 txwi->phymode_ifs_stbc_shortgi |=
4311 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4312 }
4313 }
4314
4315 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4316 bw = RT2870_TXWI_BW_40;
4317 else
4318 bw = RT2870_TXWI_BW_20;
4319
4320 txwi->bw_mcs = ((bw & RT2870_TXWI_BW_MASK) << RT2870_TXWI_BW_SHIFT) |
4321 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4322
4323 txwi->txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
4324
4325 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4326 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4327 {
4328 txwi->bawin_size_xflags |=
4329 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4330
4331 if (ni->ni_flags & IEEE80211_NODE_HT)
4332 {
4333 /* preamble + plcp + signal extension */
4334
4335 dur = 16 + 4 + 6;
4336 }
4337 else
4338 {
4339 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4340 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4341 }
4342
4343 *(uint16_t *) wh->i_dur = htole16(dur);
4344 }
4345
4346 /* check fo A-MPDU */
4347
4348 if (m->m_flags & M_AMPDU_MPDU)
4349 {
4350 ac = M_WME_GETAC(m);
4351 tid = WME_AC_TO_TID(ac);
4352 tx_ampdu = &ni->ni_tx_ampdu[ac];
4353
4354 mpdu_density = RT2870_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4355 bawin_size = 13; //tx_ampdu->txa_wnd;
4356
4357 txwi->mpdu_density_flags |=
4358 ((mpdu_density & RT2870_TXWI_MPDU_DENSITY_MASK) << RT2870_TXWI_MPDU_DENSITY_SHIFT) |
4359 (RT2870_TXWI_FLAGS_AMPDU << RT2870_TXWI_FLAGS_SHIFT);
4360
4361 txwi->bawin_size_xflags |=
4362 ((bawin_size & RT2870_TXWI_BAWIN_SIZE_MASK) << RT2870_TXWI_BAWIN_SIZE_SHIFT);
4363
4364 seqno = ni->ni_txseqs[tid]++;
4365
4366 *(uint16_t *) &wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
4367
4368 ampdu = 1;
4369 }
4370 else
4371 {
4372 ampdu = 0;
4373 }
4374
4375 /* ask MAC to insert timestamp into probe responses */
4376
4377 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4378 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4379 txwi->mpdu_density_flags |=
4380 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4381
4382 if (ieee80211_radiotap_active_vap(vap))
4383 {
4384 tap = &sc->txtap;
4385
4386 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4387 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4388 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4389 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4390 tap->chan_maxpow = 0;
4391
4392 if (ni->ni_flags & IEEE80211_NODE_HT)
4393 tap->rate = mcs | IEEE80211_RATE_MCS;
4394 else
4395 tap->rate = rate;
4396
4397 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4398 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4399
4400 if (shortgi)
4401 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4402
4403 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4404 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4405
4406 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4407 {
4408 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4409
4410 ieee80211_radiotap_tx(vap, m);
4411
4412 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4413 }
4414 else
4415 {
4416 ieee80211_radiotap_tx(vap, m);
4417 }
4418 }
4419
4420 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4421
4422 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4423 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4424 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, ampdu=%d, DMA len=%d\n",
4425 device_get_nameunit(sc->dev),
4426 qid, hdrsize, hdrspace, m->m_pkthdr.len,
4427 bw, stbc, shortgi, mcs, wcid, ampdu, dmalen);
4428
4429 data->len = dmalen;
4430 data->m = m;
4431 data->ni = ni;
4432
4433 STAILQ_INSERT_TAIL(&ring->pending, data, next);
4434 ring->queued++;
4435
4436 usbd_transfer_start(sc->usb_xfer[1 + qid]);
4437
4438 return 0;
4439 }
4440
4441 /*
4442 * rt2870_tx_raw
4443 */
4444 static int rt2870_tx_raw(struct rt2870_softc *sc,
4445 struct mbuf *m, struct ieee80211_node *ni,
4446 const struct ieee80211_bpf_params *params)
4447 {
4448 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4449 "%s: Tx raw\n",
4450 device_get_nameunit(sc->dev));
4451
4452 return 0;
4453 }
4454
4455 /*
4456 * rt2870_rx_intr
4457 */
4458 static void rt2870_rx_intr(struct usb_xfer *xfer, usb_error_t error)
4459 {
4460 struct rt2870_softc *sc;
4461 struct ifnet *ifp;
4462 struct rt2870_softc_rx_ring *ring;
4463 struct rt2870_softc_rx_data *data;
4464 int len;
4465
4466 sc = usbd_xfer_softc(xfer);
4467 ifp = sc->ifp;
4468 ring = &sc->rx_ring;
4469
4470 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4471 "%s: Rx interrupt: state=%d, error=%s\n",
4472 device_get_nameunit(sc->dev),
4473 USB_GET_STATE(xfer), usbd_errstr(error));
4474
4475 switch (USB_GET_STATE(xfer))
4476 {
4477 case USB_ST_TRANSFERRED:
4478 sc->interrupts++;
4479 sc->rx_interrupts++;
4480
4481 data = STAILQ_FIRST(&ring->active);
4482 if (data == NULL)
4483 goto setup;
4484
4485 STAILQ_REMOVE_HEAD(&ring->active, next);
4486
4487 usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
4488
4489 data->len = len;
4490
4491 STAILQ_INSERT_TAIL(&ring->done, data, next);
4492
4493 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4494
4495 /* FALLTHROUGH */
4496
4497 setup:
4498
4499 case USB_ST_SETUP:
4500 data = STAILQ_FIRST(&ring->inactive);
4501 if (data == NULL)
4502 break;
4503
4504 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4505
4506 STAILQ_INSERT_TAIL(&ring->active, data, next);
4507
4508 usbd_xfer_set_frame_data(xfer, 0, data->buf, usbd_xfer_max_len(xfer));
4509 usbd_transfer_submit(xfer);
4510 break;
4511
4512 default:
4513 sc->interrupts++;
4514 sc->rx_interrupts++;
4515
4516 data = STAILQ_FIRST(&ring->active);
4517 if (data != NULL)
4518 {
4519 STAILQ_REMOVE_HEAD(&ring->active, next);
4520 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4521 }
4522
4523 if (error != USB_ERR_CANCELLED)
4524 {
4525 ifp->if_ierrors++;
4526
4527 usbd_xfer_set_stall(xfer);
4528
4529 goto setup;
4530 }
4531 break;
4532 }
4533 }
4534
4535 /*
4536 * rt2870_tx_intr
4537 */
4538 static void rt2870_tx_intr(struct usb_xfer *xfer, usb_error_t error)
4539 {
4540 struct rt2870_softc *sc;
4541 struct ifnet *ifp;
4542 struct rt2870_softc_tx_ring *ring;
4543 struct rt2870_softc_tx_data *data;
4544
4545 sc = usbd_xfer_softc(xfer);
4546 ifp = sc->ifp;
4547 ring = usbd_xfer_get_priv(xfer);
4548
4549 usbd_xfer_status(xfer, NULL, NULL, NULL, NULL);
4550
4551 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4552 "%s: Tx interrupt: state=%d, error=%s\n",
4553 device_get_nameunit(sc->dev),
4554 USB_GET_STATE(xfer), usbd_errstr(error));
4555
4556 switch (USB_GET_STATE(xfer))
4557 {
4558 case USB_ST_TRANSFERRED:
4559 sc->interrupts++;
4560 sc->tx_interrupts[ring->qid]++;
4561
4562 data = STAILQ_FIRST(&ring->active);
4563 if (data == NULL)
4564 goto setup;
4565
4566 STAILQ_REMOVE_HEAD(&ring->active, next);
4567
4568 STAILQ_INSERT_TAIL(&ring->done, data, next);
4569
4570 sc->tx_qid_pending_mask |= (1 << ring->qid);
4571
4572 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4573
4574 /* FALLTHROUGH */
4575
4576 setup:
4577
4578 case USB_ST_SETUP:
4579 data = STAILQ_FIRST(&ring->pending);
4580 if (data == NULL)
4581 break;
4582
4583 STAILQ_REMOVE_HEAD(&ring->pending, next);
4584 STAILQ_INSERT_TAIL(&ring->active, data, next);
4585
4586 usbd_xfer_set_frame_data(xfer, 0, data->buf, data->len);
4587 usbd_transfer_submit(xfer);
4588
4589 RT2870_SOFTC_UNLOCK(sc);
4590
4591 rt2870_start(ifp);
4592
4593 RT2870_SOFTC_LOCK(sc);
4594 break;
4595
4596 default:
4597 sc->interrupts++;
4598 sc->tx_interrupts[ring->qid]++;
4599
4600 data = STAILQ_FIRST(&ring->active);
4601 if (data != NULL)
4602 {
4603 STAILQ_REMOVE_HEAD(&ring->active, next);
4604
4605 printf("%s: could not transmit buffer: qid=%d, error=%s\n",
4606 device_get_nameunit(sc->dev), ring->qid, usbd_errstr(error));
4607
4608 if (data->m != NULL)
4609 {
4610 m_freem(data->m);
4611 data->m = NULL;
4612 }
4613
4614 if (data->ni != NULL)
4615 {
4616 ieee80211_free_node(data->ni);
4617 data->ni = NULL;
4618 }
4619
4620 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4621
4622 ring->queued--;
4623 }
4624
4625 if (error != USB_ERR_CANCELLED)
4626 {
4627 ifp->if_oerrors++;
4628 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4629
4630 usbd_xfer_set_stall(xfer);
4631
4632 goto setup;
4633 }
4634 break;
4635 }
4636 }
4637
4638 /*
4639 * rt2870_rx_done_task
4640 */
4641 static void rt2870_rx_done_task(void *context, int pending)
4642 {
4643 struct rt2870_softc *sc;
4644 struct ifnet *ifp;
4645
4646 sc = context;
4647 ifp = sc->ifp;
4648
4649 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4650 "%s: Rx done task\n",
4651 device_get_nameunit(sc->dev));
4652
4653 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4654 return;
4655
4656 if (rt2870_rx_eof(sc, sc->rx_process_limit) != 0)
4657 {
4658 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4659 "%s: Rx done task: scheduling again\n",
4660 device_get_nameunit(sc->dev));
4661
4662 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4663 }
4664 }
4665
4666 /*
4667 * rt2870_tx_done_task
4668 */
4669 static void rt2870_tx_done_task(void *context, int pending)
4670 {
4671 struct rt2870_softc *sc;
4672 struct ifnet *ifp;
4673 int i;
4674
4675 sc = context;
4676 ifp = sc->ifp;
4677
4678 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4679 "%s: Tx done task\n",
4680 device_get_nameunit(sc->dev));
4681
4682 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4683 return;
4684
4685 for (i = sc->usb_endpoints - 2; i >= 0; i--)
4686 {
4687 if (sc->tx_qid_pending_mask & (1 << i))
4688 {
4689 sc->tx_qid_pending_mask &= ~(1 << i);
4690
4691 rt2870_tx_eof(sc, &sc->tx_ring[i]);
4692 }
4693 }
4694
4695 if (sc->tx_qid_pending_mask != 0)
4696 {
4697 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4698 "%s: Tx done task: scheduling again\n",
4699 device_get_nameunit(sc->dev));
4700
4701 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4702 }
4703
4704 sc->tx_timer = 0;
4705
4706 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4707 }
4708
4709 /*
4710 * rt2870_periodic_task
4711 */
4712 static void rt2870_periodic_task(void *context, int pending)
4713 {
4714 struct rt2870_softc *sc;
4715 struct ifnet *ifp;
4716 struct ieee80211com *ic;
4717 struct ieee80211vap *vap;
4718
4719 sc = context;
4720 ifp = sc->ifp;
4721 ic = ifp->if_l2com;
4722 vap = TAILQ_FIRST(&ic->ic_vaps);
4723
4724 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
4725 "%s: periodic task: round=%lu\n",
4726 device_get_nameunit(sc->dev), sc->periodic_round);
4727
4728 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4729 return;
4730
4731 RT2870_SOFTC_LOCK(sc);
4732
4733 sc->periodic_round++;
4734
4735 rt2870_update_stats(sc);
4736
4737 if ((sc->periodic_round % 10) == 0)
4738 {
4739 rt2870_bbp_tuning(sc);
4740
4741 rt2870_update_raw_counters(sc);
4742
4743 rt2870_watchdog(sc);
4744
4745 if (vap != NULL && vap->iv_opmode != IEEE80211_M_MONITOR && vap->iv_state == IEEE80211_S_RUN)
4746 {
4747 if (vap->iv_opmode == IEEE80211_M_STA)
4748 rt2870_amrr_update_iter_func(vap, vap->iv_bss);
4749 else
4750 ieee80211_iterate_nodes(&ic->ic_sta, rt2870_amrr_update_iter_func, vap);
4751 }
4752 }
4753
4754 RT2870_SOFTC_UNLOCK(sc);
4755
4756 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
4757 }
4758
4759 /*
4760 * rt2870_cmd_task
4761 */
4762 static void rt2870_cmd_task(void *context, int pending)
4763 {
4764 struct rt2870_softc *sc;
4765 struct rt2870_softc_cmd_ring *ring;
4766 struct rt2870_softc_cmd *cmd;
4767
4768 sc = context;
4769 ring = &sc->cmd_ring;
4770
4771 while (1)
4772 {
4773 RT2870_SOFTC_LOCK(sc);
4774
4775 cmd = STAILQ_FIRST(&ring->active);
4776 if (cmd == NULL)
4777 {
4778 RT2870_SOFTC_UNLOCK(sc);
4779 break;
4780 }
4781
4782 STAILQ_REMOVE_HEAD(&ring->active, next);
4783
4784 RT2870_SOFTC_UNLOCK(sc);
4785
4786 cmd->cb(sc, cmd->data);
4787
4788 RT2870_SOFTC_LOCK(sc);
4789
4790 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
4791 ring->queued--;
4792
4793 RT2870_SOFTC_UNLOCK(sc);
4794 }
4795 }
4796
4797 /*
4798 * rt2870_rx_eof
4799 */
4800 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit)
4801 {
4802 struct ifnet *ifp;
4803 struct rt2870_softc_rx_ring *ring;
4804 struct rt2870_softc_rx_data *data;
4805 uint32_t dmalen;
4806 uint8_t *buf;
4807 int nframes, len;
4808
4809 ifp = sc->ifp;
4810 ring = &sc->rx_ring;
4811
4812 nframes = 0;
4813
4814 while (limit != 0)
4815 {
4816 RT2870_SOFTC_LOCK(sc);
4817
4818 data = STAILQ_FIRST(&ring->done);
4819 if (data == NULL)
4820 {
4821 RT2870_SOFTC_UNLOCK(sc);
4822 break;
4823 }
4824
4825 STAILQ_REMOVE_HEAD(&ring->done, next);
4826
4827 RT2870_SOFTC_UNLOCK(sc);
4828
4829 buf = data->buf;
4830 len = data->len;
4831
4832 if (len < RT2870_RX_DESC_SIZE)
4833 {
4834 ifp->if_ierrors++;
4835 goto skip;
4836 }
4837
4838 while (len > (sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)))
4839 {
4840 dmalen = (le32toh(*(uint32_t *) buf) & 0xffff);
4841
4842 if (dmalen == 0 || (dmalen & 3) != 0)
4843 {
4844 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4845 "%s: bad DMA len=%u\n",
4846 device_get_nameunit(sc->dev), dmalen);
4847 goto skip;
4848 }
4849
4850 if ((dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)) > len)
4851 {
4852 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4853 "%s: bad DMA len: DMA len=%u, USB len=%d\n",
4854 device_get_nameunit(sc->dev),
4855 (unsigned int) (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)), len);
4856 goto skip;
4857 }
4858
4859 nframes++;
4860
4861 rt2870_rx_frame(sc, buf + sizeof(uint32_t), dmalen);
4862
4863 buf += (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
4864 len -= (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
4865 }
4866
4867 skip:
4868
4869 RT2870_SOFTC_LOCK(sc);
4870
4871 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4872
4873 usbd_transfer_start(sc->usb_xfer[0]);
4874
4875 RT2870_SOFTC_UNLOCK(sc);
4876
4877 limit--;
4878 }
4879
4880 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4881 "%s: Rx eof: nframes=%d\n",
4882 device_get_nameunit(sc->dev), nframes);
4883
4884 sc->rx_packets += nframes;
4885
4886 return (limit == 0);
4887 }
4888
4889 /*
4890 * rt2870_tx_eof
4891 */
4892 static void rt2870_tx_eof(struct rt2870_softc *sc,
4893 struct rt2870_softc_tx_ring *ring)
4894 {
4895 struct ifnet *ifp;
4896 struct rt2870_softc_tx_data *data;
4897 int nframes;
4898
4899 ifp = sc->ifp;
4900
4901 nframes = 0;
4902
4903 while (1)
4904 {
4905 RT2870_SOFTC_LOCK(sc);
4906
4907 data = STAILQ_FIRST(&ring->done);
4908 if (data == NULL)
4909 {
4910 RT2870_SOFTC_UNLOCK(sc);
4911 break;
4912 }
4913
4914 STAILQ_REMOVE_HEAD(&ring->done, next);
4915
4916 RT2870_SOFTC_UNLOCK(sc);
4917
4918 nframes++;
4919
4920 if (data->m->m_flags & M_TXCB)
4921 ieee80211_process_callback(data->ni, data->m, 0);
4922
4923 m_freem(data->m);
4924
4925 ieee80211_free_node(data->ni);
4926
4927 data->m = NULL;
4928 data->ni = NULL;
4929
4930 RT2870_SOFTC_LOCK(sc);
4931
4932 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4933
4934 ring->queued--;
4935 ifp->if_opackets++;
4936
4937 RT2870_SOFTC_UNLOCK(sc);
4938 }
4939
4940 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4941 "%s: Tx eof: qid=%d, nframes=%d\n",
4942 device_get_nameunit(sc->dev), ring->qid, nframes);
4943 }
4944
4945 /*
4946 * rt2870_update_stats
4947 */
4948 static void rt2870_update_stats(struct rt2870_softc *sc)
4949 {
4950 struct ifnet *ifp;
4951 struct ieee80211com *ic;
4952 struct ieee80211vap *vap;
4953 struct ieee80211_node *ni;
4954 uint32_t stacnt[3];
4955 int beacons, noretryok, retryok, failed;
4956 uint16_t associd;
4957 uint8_t wcid;
4958
4959 ifp = sc->ifp;
4960 ic = ifp->if_l2com;
4961 vap = TAILQ_FIRST(&ic->ic_vaps);
4962
4963 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
4964 "%s: update statistic\n",
4965 device_get_nameunit(sc->dev));
4966
4967 rt2870_drain_fifo_stats(sc);
4968
4969 /* read and clear Tx statistic registers */
4970
4971 rt2870_io_mac_read_multi(sc, RT2870_REG_TX_STA_CNT0,
4972 stacnt, sizeof(stacnt));
4973
4974 stacnt[0] = le32toh(stacnt[0]);
4975 stacnt[1] = le32toh(stacnt[1]);
4976 stacnt[2] = le32toh(stacnt[2]);
4977
4978 beacons = stacnt[0] >> 16;
4979 noretryok = stacnt[1] & 0xffff;
4980 retryok = stacnt[1] >> 16;
4981 failed = stacnt[0] & 0xffff;
4982
4983 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
4984 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d\n",
4985 device_get_nameunit(sc->dev),
4986 beacons, noretryok, retryok, failed);
4987
4988 ifp->if_oerrors += failed;
4989
4990 sc->tx_beacons += beacons;
4991 sc->tx_noretryok += noretryok;
4992 sc->tx_retryok += retryok;
4993 sc->tx_failed += failed;
4994
4995 if (vap != NULL && vap->iv_opmode == IEEE80211_M_STA && vap->iv_state == IEEE80211_S_RUN)
4996 {
4997 ni = vap->iv_bss;
4998
4999 associd = (ni != NULL) ? ni->ni_associd : 0;
5000 wcid = RT2870_AID2WCID(associd);
5001
5002 rt2870_amrr_tx_update(&sc->amrr_node[wcid],
5003 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
5004 }
5005 }
5006
5007 /*
5008 * rt2870_bbp_tuning
5009 */
5010 static void rt2870_bbp_tuning(struct rt2870_softc *sc)
5011 {
5012 struct ifnet *ifp;
5013 struct ieee80211com *ic;
5014 struct ieee80211vap *vap;
5015 struct ieee80211_node *ni;
5016 int chan, group;
5017 int8_t rssi, old, new;
5018
5019 /* RT2860C does not support BBP tuning */
5020
5021 if (sc->mac_rev == 0x28600100)
5022 return;
5023
5024 ifp = sc->ifp;
5025 ic = ifp->if_l2com;
5026 vap = TAILQ_FIRST(&ic->ic_vaps);
5027
5028 if ((ic->ic_flags & IEEE80211_F_SCAN) || vap == NULL ||
5029 vap->iv_opmode != IEEE80211_M_STA || vap->iv_state != IEEE80211_S_RUN)
5030 return;
5031
5032 ni = vap->iv_bss;
5033
5034 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
5035
5036 if (chan <= 14)
5037 group = 0;
5038 else if (chan <= 64)
5039 group = 1;
5040 else if (chan <= 128)
5041 group = 2;
5042 else
5043 group = 3;
5044
5045 rssi = ieee80211_getrssi(vap);
5046
5047 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
5048 {
5049 new = 0x2e + sc->lna_gain[group];
5050 }
5051 else
5052 {
5053 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
5054 new = 0x32 + sc->lna_gain[group] * 5 / 3;
5055 else
5056 new = 0x3a + sc->lna_gain[group] * 5 / 3;
5057 }
5058
5059 /* Tune if absolute average RSSI is greater than -80 */
5060
5061 if (rssi > 30)
5062 new += 0x10;
5063
5064 old = rt2870_io_bbp_read(sc, 66);
5065
5066 if (old != new)
5067 rt2870_io_bbp_write(sc, 66, new);
5068 }
5069
5070 /*
5071 * rt2870_watchdog
5072 */
5073 static void rt2870_watchdog(struct rt2870_softc *sc)
5074 {
5075 uint32_t tmp;
5076 int ntries;
5077
5078 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5079
5080 RT2870_DPRINTF(sc, RT2870_DEBUG_WATCHDOG,
5081 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
5082 device_get_nameunit(sc->dev), tmp);
5083
5084 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) != 0)
5085 {
5086 sc->tx_queue_not_empty[0]++;
5087
5088 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40012);
5089
5090 for (ntries = 0; ntries < 10; ntries++)
5091 {
5092 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5093 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) == 0)
5094 break;
5095
5096 DELAY(1);
5097 }
5098
5099 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5100 }
5101
5102 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) != 0)
5103 {
5104 sc->tx_queue_not_empty[1]++;
5105
5106 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf4000a);
5107
5108 for (ntries = 0; ntries < 10; ntries++)
5109 {
5110 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
5111 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) == 0)
5112 break;
5113
5114 DELAY(1);
5115 }
5116
5117 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
5118 }
5119 }
5120
5121 /*
5122 * rt2870_drain_fifo_stats
5123 */
5124 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc)
5125 {
5126 struct ifnet *ifp;
5127 uint32_t stats;
5128 uint8_t wcid, mcs, pid;
5129 int ok, agg, retrycnt;
5130
5131 ifp = sc->ifp;
5132
5133 /* drain Tx status FIFO (maxsize = 16) */
5134
5135 while ((stats = rt2870_io_mac_read(sc, RT2870_REG_TX_STA_FIFO)) &
5136 RT2870_REG_TX_STA_FIFO_VALID)
5137 {
5138 wcid = (stats >> RT2870_REG_TX_STA_FIFO_WCID_SHIFT) &
5139 RT2870_REG_TX_STA_FIFO_WCID_MASK;
5140
5141 /* if no ACK was requested, no feedback is available */
5142
5143 if (!(stats & RT2870_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
5144 continue;
5145
5146 /* update AMRR statistic */
5147
5148 ok = (stats & RT2870_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
5149 agg = (stats & RT2870_REG_TX_STA_FIFO_AGG) ? 1 : 0;
5150 mcs = (stats >> RT2870_REG_TX_STA_FIFO_MCS_SHIFT) &
5151 RT2870_REG_TX_STA_FIFO_MCS_MASK;
5152 pid = (stats >> RT2870_REG_TX_STA_FIFO_PID_SHIFT) &
5153 RT2870_REG_TX_STA_FIFO_PID_MASK;
5154 retrycnt = pid - mcs;
5155
5156 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
5157 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
5158 device_get_nameunit(sc->dev),
5159 wcid, ok, agg, mcs, pid, retrycnt);
5160
5161 rt2870_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
5162
5163 if (!ok)
5164 ifp->if_oerrors++;
5165 }
5166 }
5167
5168 /*
5169 * rt2870_update_raw_counters
5170 */
5171 static void rt2870_update_raw_counters(struct rt2870_softc *sc)
5172 {
5173 uint32_t tmp;
5174
5175 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT);
5176
5177 sc->tx_nonagg += tmp & 0xffff;
5178 sc->tx_agg += tmp >> 16;
5179
5180 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT0);
5181
5182 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
5183
5184 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT1);
5185
5186 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
5187
5188 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT2);
5189
5190 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
5191
5192 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT3);
5193
5194 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
5195
5196 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT4);
5197
5198 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
5199
5200 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT5);
5201
5202 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
5203
5204 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT6);
5205
5206 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
5207
5208 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT7);
5209
5210 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
5211
5212 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT0);
5213
5214 sc->rx_crc_errors += tmp & 0xffff;
5215 sc->rx_phy_errors += tmp >> 16;
5216
5217 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT1);
5218
5219 sc->rx_false_ccas += tmp & 0xffff;
5220 sc->rx_plcp_errors += tmp >> 16;
5221
5222 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT2);
5223
5224 sc->rx_dup_packets += tmp & 0xffff;
5225 sc->rx_fifo_overflows += tmp >> 16;
5226 }
5227
5228 /*
5229 * rt2870_txrx_enable
5230 */
5231 static int rt2870_txrx_enable(struct rt2870_softc *sc)
5232 {
5233 struct ieee80211com *ic;
5234 struct ifnet *ifp;
5235 uint32_t tmp;
5236 int ntries;
5237
5238 ifp = sc->ifp;
5239 ic = ifp->if_l2com;
5240
5241 /* enable Tx/Rx DMA engine */
5242
5243 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_USB_CYC_CFG);
5244
5245 tmp &= 0xffffff00;
5246 tmp |= 0x1e;
5247
5248 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_CYC_CFG, tmp);
5249
5250 if ((sc->mac_rev & 0xffff) != 0x0101)
5251 rt2870_io_mac_write(sc, RT2870_REG_TX_TXOP_CTRL_CFG, 0x583f);
5252
5253 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, RT2870_REG_TX_ENABLE);
5254
5255 for (ntries = 0; ntries < 200; ntries++)
5256 {
5257 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
5258 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
5259 break;
5260
5261 DELAY(1000);
5262 }
5263
5264 if (ntries == 200)
5265 {
5266 printf("%s: timeout waiting for DMA engine\n",
5267 device_get_nameunit(sc->dev));
5268 return -1;
5269 }
5270
5271 DELAY(50);
5272
5273 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG, 0);
5274 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
5275 (48 << 16) | 96);
5276
5277 tmp |= RT2870_REG_TX_WB_DDONE |
5278 RT2870_REG_RX_DMA_ENABLE |
5279 RT2870_REG_TX_DMA_ENABLE;
5280
5281 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
5282
5283 tmp = RT2870_REG_USB_DMA_TX_ENABLE |
5284 RT2870_REG_USB_DMA_RX_ENABLE |
5285 RT2870_REG_USB_DMA_RX_AGG_ENABLE |
5286 /* Rx agg limit in unit of 1024 byte */
5287 ((RT2870_USB_RX_BULK_BUFLEN / 1024 - 3) << RT2870_REG_USB_DMA_RX_AGG_LIMIT_SHIFT) |
5288 /* Rx agg timeout in unit of 33ns */
5289 0x80;
5290
5291 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, tmp);
5292
5293 /* set Rx filter */
5294
5295 tmp = RT2870_REG_RX_FILTER_DROP_CRC_ERR |
5296 RT2870_REG_RX_FILTER_DROP_PHY_ERR;
5297
5298 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5299 {
5300 tmp |= RT2870_REG_RX_FILTER_DROP_DUPL |
5301 RT2870_REG_RX_FILTER_DROP_CTS |
5302 RT2870_REG_RX_FILTER_DROP_BA |
5303 RT2870_REG_RX_FILTER_DROP_ACK |
5304 RT2870_REG_RX_FILTER_DROP_VER_ERR |
5305 RT2870_REG_RX_FILTER_DROP_CTRL_RSV |
5306 RT2870_REG_RX_FILTER_DROP_CFACK |
5307 RT2870_REG_RX_FILTER_DROP_CFEND;
5308
5309 if (ic->ic_opmode == IEEE80211_M_STA)
5310 tmp |= RT2870_REG_RX_FILTER_DROP_RTS |
5311 RT2870_REG_RX_FILTER_DROP_PSPOLL;
5312
5313 if (!(ifp->if_flags & IFF_PROMISC))
5314 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
5315 }
5316
5317 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
5318
5319 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
5320 RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
5321
5322 return 0;
5323 }
5324
5325 /*
5326 * rt2870_alloc_rx_ring
5327 */
5328 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
5329 struct rt2870_softc_rx_ring *ring)
5330 {
5331 struct rt2870_softc_rx_data *data;
5332 int i, error;
5333
5334 STAILQ_INIT(&ring->inactive);
5335 STAILQ_INIT(&ring->active);
5336 STAILQ_INIT(&ring->done);
5337
5338 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5339 {
5340 data = &ring->data[i];
5341
5342 data->buf = malloc(RT2870_USB_RX_BULK_BUFLEN, M_USBDEV, M_NOWAIT);
5343 if (data->buf == NULL)
5344 {
5345 printf("%s: could not allocate Rx buffer\n",
5346 device_get_nameunit(sc->dev));
5347 error = ENOMEM;
5348 goto fail;
5349 }
5350
5351 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5352 }
5353
5354 return 0;
5355
5356 fail:
5357
5358 rt2870_free_rx_ring(sc, ring);
5359
5360 return error;
5361 }
5362
5363 /*
5364 * rt2870_reset_rx_ring
5365 */
5366 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
5367 struct rt2870_softc_rx_ring *ring)
5368 {
5369 struct rt2870_softc_rx_data *data;
5370 int i;
5371
5372 STAILQ_INIT(&ring->inactive);
5373 STAILQ_INIT(&ring->active);
5374 STAILQ_INIT(&ring->done);
5375
5376 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5377 {
5378 data = &ring->data[i];
5379
5380 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5381 }
5382 }
5383
5384 /*
5385 * rt2870_free_rx_ring
5386 */
5387 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
5388 struct rt2870_softc_rx_ring *ring)
5389 {
5390 struct rt2870_softc_rx_data *data;
5391 int i;
5392
5393 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5394 {
5395 data = &ring->data[i];
5396
5397 if (data->buf != NULL)
5398 {
5399 free(data->buf, M_USBDEV);
5400 data->buf = NULL;
5401 }
5402 }
5403 }
5404
5405 /*
5406 * rt2870_alloc_tx_ring
5407 */
5408 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
5409 struct rt2870_softc_tx_ring *ring, int qid)
5410 {
5411 struct rt2870_softc_tx_data *data;
5412 int i, error;
5413
5414 STAILQ_INIT(&ring->inactive);
5415 STAILQ_INIT(&ring->pending);
5416 STAILQ_INIT(&ring->active);
5417 STAILQ_INIT(&ring->done);
5418
5419 ring->queued = 0;
5420 ring->qid = qid;
5421
5422 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5423 {
5424 data = &ring->data[i];
5425
5426 data->buf = malloc(RT2870_TX_DESC_SIZE + MJUMPAGESIZE, M_USBDEV, M_NOWAIT);
5427 if (data->buf == NULL)
5428 {
5429 printf("%s: could not allocate Tx buffer\n",
5430 device_get_nameunit(sc->dev));
5431 error = ENOMEM;
5432 goto fail;
5433 }
5434
5435 memset(data->buf, 0, RT2870_TX_DESC_SIZE);
5436
5437 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5438 }
5439
5440 return 0;
5441
5442 fail:
5443
5444 rt2870_free_tx_ring(sc, ring);
5445
5446 return error;
5447 }
5448
5449 /*
5450 * rt2870_reset_tx_ring
5451 */
5452 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
5453 struct rt2870_softc_tx_ring *ring)
5454 {
5455 struct rt2870_softc_tx_data *data;
5456 int i;
5457
5458 STAILQ_INIT(&ring->inactive);
5459 STAILQ_INIT(&ring->pending);
5460 STAILQ_INIT(&ring->active);
5461 STAILQ_INIT(&ring->done);
5462
5463 ring->queued = 0;
5464
5465 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5466 {
5467 data = &ring->data[i];
5468
5469 if (data->m != NULL)
5470 {
5471 m_free(data->m);
5472 data->m = NULL;
5473 }
5474
5475 if (data->ni != NULL)
5476 {
5477 ieee80211_free_node(data->ni);
5478 data->ni = NULL;
5479 }
5480
5481 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5482 }
5483 }
5484
5485 /*
5486 * rt2870_free_tx_ring
5487 */
5488 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
5489 struct rt2870_softc_tx_ring *ring)
5490 {
5491 struct rt2870_softc_tx_data *data;
5492 int i;
5493
5494 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5495 {
5496 data = &ring->data[i];
5497
5498 if (data->buf != NULL)
5499 {
5500 free(data->buf, M_USBDEV);
5501 data->buf = NULL;
5502 }
5503
5504 if (data->m != NULL)
5505 {
5506 m_free(data->m);
5507 data->m = NULL;
5508 }
5509
5510 if (data->ni != NULL)
5511 {
5512 ieee80211_free_node(data->ni);
5513 data->ni = NULL;
5514 }
5515 }
5516 }
5517
5518 /*
5519 * rt2870_reset_cmd_ring
5520 */
5521 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
5522 struct rt2870_softc_cmd_ring *ring)
5523 {
5524 struct rt2870_softc_cmd *cmd;
5525 int i;
5526
5527 STAILQ_INIT(&ring->inactive);
5528 STAILQ_INIT(&ring->active);
5529
5530 ring->queued = 0;
5531
5532 for (i = 0; i < RT2870_SOFTC_CMD_RING_CMD_COUNT; i++)
5533 {
5534 cmd = &ring->cmd[i];
5535
5536 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
5537 }
5538 }
5539
5540 /*
5541 * rt2870_sysctl_attach
5542 */
5543 static void rt2870_sysctl_attach(struct rt2870_softc *sc)
5544 {
5545 struct sysctl_ctx_list *ctx;
5546 struct sysctl_oid *tree;
5547 struct sysctl_oid *stats;
5548
5549 ctx = device_get_sysctl_ctx(sc->dev);
5550 tree = device_get_sysctl_tree(sc->dev);
5551
5552 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
5553 "stats", CTLFLAG_RD, 0, "statistic");
5554
5555 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5556 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
5557 "all interrupts");
5558
5559 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5560 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
5561 "Rx interrupts");
5562
5563 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
5564 {
5565 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5566 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
5567 "Tx MGMT interrupts");
5568
5569 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5570 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
5571 "Tx HCCA interrupts");
5572 }
5573
5574 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5575 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
5576 "Tx AC3 interrupts");
5577
5578 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5579 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
5580 "Tx AC2 interrupts");
5581
5582 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5583 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
5584 "Tx AC1 interrupts");
5585
5586 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5587 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
5588 "Tx AC0 interrupts");
5589
5590 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
5591 {
5592 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5593 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].queued, 0,
5594 "Tx MGMT data queued");
5595
5596 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5597 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].queued, 0,
5598 "Tx HCCA data queued");
5599 }
5600
5601 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5602 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].queued, 0,
5603 "Tx AC3 data queued");
5604
5605 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5606 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].queued, 0,
5607 "Tx AC2 data queued");
5608
5609 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5610 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].queued, 0,
5611 "Tx AC1 data queued");
5612
5613 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5614 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].queued, 0,
5615 "Tx AC0 data queued");
5616
5617 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
5618 {
5619 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5620 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
5621 "Tx MGMT data queue full");
5622
5623 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5624 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
5625 "Tx HCCA data queue full");
5626 }
5627
5628 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5629 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
5630 "Tx AC3 data queue full");
5631
5632 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5633 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
5634 "Tx AC2 data queue full");
5635
5636 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5637 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
5638 "Tx AC1 data queue full");
5639
5640 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5641 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
5642 "Tx AC0 data queue full");
5643
5644 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5645 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
5646 "Tx watchdog timeouts");
5647
5648 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5649 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
5650 "Rx mbuf allocation errors");
5651
5652 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5653 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
5654 "Tx queue 0 not empty");
5655
5656 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5657 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
5658 "Tx queue 1 not empty");
5659
5660 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5661 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
5662 "Tx beacons");
5663
5664 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5665 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
5666 "Tx successfull without retries");
5667
5668 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5669 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
5670 "Tx successfull with retries");
5671
5672 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5673 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
5674 "Tx failed");
5675
5676 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5677 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
5678 "Tx non-aggregated");
5679
5680 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5681 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
5682 "Tx aggregated");
5683
5684 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5685 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
5686 "Tx A-MPDU");
5687
5688 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5689 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
5690 "Rx packets");
5691
5692 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5693 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
5694 "Rx A-MPDU");
5695
5696 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5697 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
5698 "Rx A-MSDU");
5699
5700 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5701 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
5702 "Rx CRC errors");
5703
5704 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5705 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
5706 "Rx PHY errors");
5707
5708 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5709 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
5710 "Rx false CCAs");
5711
5712 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5713 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
5714 "Rx PLCP errors");
5715
5716 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5717 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
5718 "Rx duplicate packets");
5719
5720 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5721 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
5722 "Rx FIFO overflows");
5723 }
5724
5725 static device_method_t rt2870_dev_methods[] =
5726 {
5727 DEVMETHOD(device_probe, rt2870_probe),
5728 DEVMETHOD(device_attach, rt2870_attach),
5729 DEVMETHOD(device_detach, rt2870_detach),
5730 { 0, 0 }
5731 };
5732
5733 static driver_t rt2870_driver =
5734 {
5735 "rt2870",
5736 rt2870_dev_methods,
5737 sizeof(struct rt2870_softc),
5738 };
5739
5740 static devclass_t rt2870_dev_class;
5741
5742 DRIVER_MODULE(rt2870, uhub, rt2870_driver, rt2870_dev_class,
5743 NULL, 0);
5744
5745 MODULE_DEPEND(rt2870, usb, 1, 1, 1);
5746 MODULE_DEPEND(rt2870, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2870