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Added frame length to debug message for received frames
[ralink_drivers/rt2870_fbsd8.git] / rt2870.c
blob9dde981fffa668c1cf4960ade74d0419d69e575f
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_watchdog(struct rt2870_softc *sc);
262
263 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc);
264
265 static void rt2870_update_raw_counters(struct rt2870_softc *sc);
266
267 static int rt2870_txrx_enable(struct rt2870_softc *sc);
268
269 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
270 struct rt2870_softc_rx_ring *ring);
271
272 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
273 struct rt2870_softc_rx_ring *ring);
274
275 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
276 struct rt2870_softc_rx_ring *ring);
277
278 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
279 struct rt2870_softc_tx_ring *ring, int qid);
280
281 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
282 struct rt2870_softc_tx_ring *ring);
283
284 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
285 struct rt2870_softc_tx_ring *ring);
286
287 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
288 struct rt2870_softc_cmd_ring *ring);
289
290 static void rt2870_sysctl_attach(struct rt2870_softc *sc);
291
292 /*
293 * Static variables
294 */
295
296 static const struct usb_device_id rt2870_usb_devid[] =
297 {
298 { USB_VP(USB_VENDOR_LINKSYS4, USB_PRODUCT_LINKSYS4_WUSB600N) }, /* Linksys WUSB600N */
299 { USB_VP(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA140) }, /* D-Link DWA-140 */
300 { USB_VP(USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA160AREVB) }, /* D-Link DWA-160A Rev. B */
301 { USB_VP(USB_VENDOR_ASUS, USB_PRODUCT_ASUS_RT2770F) }, /* Asus RT2770F */
302 { USB_VP(USB_VENDOR_RALINK, USB_PRODUCT_RALINK_RT2770) }, /* Ralink RT2770 */
303 };
304
305 static const struct usb_config rt2870_usb_config[RT2870_SOFTC_USB_XFER_COUNT] =
306 {
307 {
308 .type = UE_BULK,
309 .endpoint = 0x01,
310 .direction = UE_DIR_IN,
311 .bufsize = RT2870_USB_RX_BULK_BUFLEN,
312 .flags = { .ext_buffer = 1, .pipe_bof = 1, .short_xfer_ok = 1, },
313 .callback = rt2870_rx_intr,
314 },
315 {
316 .type = UE_BULK,
317 .endpoint = 0x01,
318 .direction = UE_DIR_OUT,
319 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
320 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
321 .callback = rt2870_tx_intr,
322 .timeout = RT2870_USB_XFER_TIMEOUT,
323 },
324 {
325 .type = UE_BULK,
326 .endpoint = 0x02,
327 .direction = UE_DIR_OUT,
328 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
329 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
330 .callback = rt2870_tx_intr,
331 .timeout = RT2870_USB_XFER_TIMEOUT,
332 },
333 {
334 .type = UE_BULK,
335 .endpoint = 0x03,
336 .direction = UE_DIR_OUT,
337 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
338 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
339 .callback = rt2870_tx_intr,
340 .timeout = RT2870_USB_XFER_TIMEOUT,
341 },
342 {
343 .type = UE_BULK,
344 .endpoint = 0x04,
345 .direction = UE_DIR_OUT,
346 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
347 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
348 .callback = rt2870_tx_intr,
349 .timeout = RT2870_USB_XFER_TIMEOUT,
350 },
351 {
352 .type = UE_BULK,
353 .endpoint = 0x05,
354 .direction = UE_DIR_OUT,
355 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
356 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
357 .callback = rt2870_tx_intr,
358 .timeout = RT2870_USB_XFER_TIMEOUT,
359 },
360 {
361 .type = UE_BULK,
362 .endpoint = 0x06,
363 .direction = UE_DIR_OUT,
364 .bufsize = (RT2870_TX_DESC_SIZE + MJUMPAGESIZE),
365 .flags = { .ext_buffer = 1, .pipe_bof = 1, .force_short_xfer = 1, },
366 .callback = rt2870_tx_intr,
367 .timeout = RT2870_USB_XFER_TIMEOUT,
368 },
369 };
370
371 static const struct
372 {
373 uint32_t reg;
374 uint32_t val;
375 } rt2870_def_mac[] =
376 {
377 { RT2870_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
378 { RT2870_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
379 { RT2870_REG_LEGACY_BASIC_RATE, 0x0000013f },
380 { RT2870_REG_HT_BASIC_RATE, 0x00008003 },
381 { RT2870_REG_SYS_CTRL, 0x00000000 },
382 { RT2870_REG_RX_FILTER_CFG, 0x00017f97 },
383 { RT2870_REG_BKOFF_SLOT_CFG, 0x00000209 },
384 { RT2870_REG_TX_SW_CFG0, 0x00000000 },
385 { RT2870_REG_TX_SW_CFG1, 0x00080606 },
386 { RT2870_REG_TX_LINK_CFG, 0x00001020 },
387 { RT2870_REG_TX_TIMEOUT_CFG, 0x000a2090 },
388 { RT2870_REG_MAX_LEN_CFG, (1 << 12) | RT2870_MAX_AGG_SIZE },
389 { RT2870_REG_LED_CFG, 0x7f031e46 },
390 { RT2870_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
391 { RT2870_REG_TX_RTY_CFG, 0x47d01f0f },
392 { RT2870_REG_AUTO_RSP_CFG, 0x00000013 },
393 { RT2870_REG_TX_CCK_PROT_CFG, 0x05740003 },
394 { RT2870_REG_TX_OFDM_PROT_CFG, 0x05740003 },
395 { RT2870_REG_PBF_CFG, 0x00f40006 },
396 { RT2870_REG_TX_MM40_PROT_CFG, 0x03f44084 },
397 { RT2870_REG_SCHDMA_WPDMA_GLO_CFG, 0x00000030 },
398 { RT2870_REG_TX_GF20_PROT_CFG, 0x01744004 },
399 { RT2870_REG_TX_GF40_PROT_CFG, 0x03f44084 },
400 { RT2870_REG_TX_MM20_PROT_CFG, 0x01744004 },
401 { RT2870_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
402 { RT2870_REG_TX_RTS_CFG, 0x00092b20 },
403 { RT2870_REG_TX_EXP_ACK_TIME, 0x002400ca },
404 { RT2870_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
405 { RT2870_REG_XIFS_TIME_CFG, 0x33a41010 },
406 { RT2870_REG_PWR_PIN_CFG, 0x00000003 },
407 { RT2870_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
408 { RT2870_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
409 { RT2870_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
410 };
411
412 #define RT2870_DEF_MAC_SIZE (sizeof(rt2870_def_mac) / sizeof(rt2870_def_mac[0]))
413
414 static const struct
415 {
416 uint8_t reg;
417 uint8_t val;
418 } rt2870_def_bbp[] =
419 {
420 { 65, 0x2c },
421 { 66, 0x38 },
422 { 69, 0x12 },
423 { 70, 0x0a },
424 { 73, 0x10 },
425 { 81, 0x37 },
426 { 82, 0x62 },
427 { 83, 0x6a },
428 { 84, 0x99 },
429 { 86, 0x00 },
430 { 91, 0x04 },
431 { 92, 0x00 },
432 { 103, 0x00 },
433 { 105, 0x05 },
434 { 106, 0x35 },
435 };
436
437 #define RT2870_DEF_BBP_SIZE (sizeof(rt2870_def_bbp) / sizeof(rt2870_def_bbp[0]))
438
439 /*
440 * rt2870_probe
441 */
442 static int rt2870_probe(device_t dev)
443 {
444 struct usb_attach_arg *uaa;
445
446 uaa = device_get_ivars(dev);
447
448 if (uaa->usb_mode != USB_MODE_HOST)
449 return ENXIO;
450
451 if (uaa->info.bConfigIndex != RT2870_USB_CONFIG_INDEX)
452 return ENXIO;
453
454 if (uaa->info.bIfaceIndex != RT2870_USB_IFACE_INDEX)
455 return ENXIO;
456
457 return (usbd_lookup_id_by_uaa(rt2870_usb_devid,
458 sizeof(rt2870_usb_devid), uaa));
459 }
460
461 /*
462 * rt2870_attach
463 */
464 static int rt2870_attach(device_t dev)
465 {
466 struct rt2870_softc *sc;
467 struct usb_attach_arg *uaa;
468 usb_error_t usb_error;
469 struct ieee80211com *ic;
470 struct ifnet *ifp;
471 struct usb_interface *iface;
472 struct usb_interface_descriptor *iface_desc;
473 uint8_t iface_index;
474 int error, ntries, i;
475
476 sc = device_get_softc(dev);
477 uaa = device_get_ivars(dev);
478
479 sc->dev = dev;
480 sc->usb_dev = uaa->device;
481
482 device_set_usb_desc(dev);
483
484 #ifdef RT2870_DEBUG
485 sc->debug = 0;
486
487 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
488 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
489 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2870 debug level");
490 #endif
491
492 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
493 "%s: attaching\n",
494 device_get_nameunit(sc->dev));
495
496 iface_index = RT2870_USB_IFACE_INDEX;
497
498 iface = usbd_get_iface(uaa->device, iface_index);
499 if (iface == NULL)
500 {
501 printf("%s: could not get USB interface\n",
502 device_get_nameunit(sc->dev));
503 return ENXIO;
504 }
505
506 iface_desc = usbd_get_interface_descriptor(iface);
507 if (iface_desc == NULL)
508 {
509 printf("%s: could not get USB interface descriptor\n",
510 device_get_nameunit(sc->dev));
511 return ENXIO;
512 }
513
514 sc->usb_endpoints = iface_desc->bNumEndpoints;
515 if ((sc->usb_endpoints != RT2870_SOFTC_USB_XFER_COUNT) &&
516 (sc->usb_endpoints != RT2870_SOFTC_USB_XFER_COUNT - 2))
517 {
518 printf("%s: wrong number of USB endpoints=%d\n",
519 device_get_nameunit(sc->dev), sc->usb_endpoints);
520 return ENXIO;
521 }
522
523 mtx_init(&sc->lock, device_get_nameunit(dev),
524 MTX_NETWORK_LOCK, MTX_DEF);
525
526 usb_error = usbd_transfer_setup(uaa->device, &iface_index,
527 sc->usb_xfer, rt2870_usb_config, sc->usb_endpoints,
528 sc, &sc->lock);
529 if (usb_error != 0)
530 {
531 printf("%s: could not allocate USB transfers: error=%s\n",
532 device_get_nameunit(sc->dev), usbd_errstr(usb_error));
533 error = ENXIO;
534 goto fail;
535 }
536
537 RT2870_SOFTC_LOCK(sc);
538
539 for (ntries = 0; ntries < 100; ntries++)
540 {
541 sc->mac_rev = rt2870_io_mac_read(sc, RT2870_REG_MAC_CSR0);
542 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
543 break;
544
545 DELAY(10);
546 }
547
548 if (ntries == 100)
549 {
550 printf("%s: timeout waiting for NIC to initialize\n",
551 device_get_nameunit(sc->dev));
552 error = ENXIO;
553 goto fail;
554 }
555
556 rt2870_read_eeprom(sc);
557
558 RT2870_SOFTC_UNLOCK(sc);
559
560 printf("%s: MAC/BBP RT2870 (rev 0x%08x), RF %s\n",
561 device_get_nameunit(sc->dev), sc->mac_rev,
562 rt2870_rf_name(sc->rf_rev));
563
564 /* allocate Tx and Rx rings */
565
566 for (i = 0; i < sc->usb_endpoints - 1; i++)
567 {
568 error = rt2870_alloc_tx_ring(sc, &sc->tx_ring[i], i);
569 if (error != 0)
570 {
571 printf("%s: could not allocate Tx ring #%d\n",
572 device_get_nameunit(sc->dev), i);
573 goto fail;
574 }
575 }
576
577 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
578 sc->tx_ring_mgtqid = 5;
579 else
580 sc->tx_ring_mgtqid = 0;
581
582 error = rt2870_alloc_rx_ring(sc, &sc->rx_ring);
583 if (error != 0)
584 {
585 printf("%s: could not allocate Rx ring\n",
586 device_get_nameunit(sc->dev));
587 goto fail;
588 }
589
590 callout_init(&sc->periodic_ch, 0);
591 callout_init_mtx(&sc->tx_watchdog_ch, &sc->lock, 0);
592
593 ifp = sc->ifp = if_alloc(IFT_IEEE80211);
594 if (ifp == NULL)
595 {
596 printf("%s: could not if_alloc()\n",
597 device_get_nameunit(sc->dev));
598 error = ENOMEM;
599 goto fail;
600 }
601
602 ifp->if_softc = sc;
603
604 if_initname(ifp, "rt2870", device_get_unit(sc->dev));
605
606 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
607
608 ifp->if_init = rt2870_init;
609 ifp->if_ioctl = rt2870_ioctl;
610 ifp->if_start = rt2870_start;
611
612 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
613 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
614 IFQ_SET_READY(&ifp->if_snd);
615
616 ic = ifp->if_l2com;
617
618 ic->ic_ifp = ifp;
619
620 ic->ic_phytype = IEEE80211_T_HT;
621 ic->ic_opmode = IEEE80211_M_STA;
622
623 ic->ic_caps = IEEE80211_C_MONITOR |
624 IEEE80211_C_IBSS |
625 IEEE80211_C_STA |
626 IEEE80211_C_AHDEMO |
627 IEEE80211_C_HOSTAP |
628 IEEE80211_C_WDS |
629 IEEE80211_C_MBSS |
630 /* IEEE80211_C_BGSCAN | */
631 IEEE80211_C_TXPMGT |
632 IEEE80211_C_SHPREAMBLE |
633 IEEE80211_C_SHSLOT |
634 IEEE80211_C_TXFRAG |
635 IEEE80211_C_BURST |
636 IEEE80211_C_WME |
637 IEEE80211_C_WPA;
638
639 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP |
640 IEEE80211_CRYPTO_TKIP |
641 IEEE80211_CRYPTO_TKIPMIC |
642 IEEE80211_CRYPTO_AES_CCM;
643
644 ic->ic_htcaps = IEEE80211_HTC_HT |
645 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
646 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
647 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
648 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
649 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
650 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
651 IEEE80211_HTCAP_DSSSCCK40; /* HT 40MHz DSSS/CCK modulation */
652
653 /* spatial streams */
654
655 if (sc->nrxpath == 2)
656 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
657 else if (sc->nrxpath == 3)
658 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
659 else
660 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
661
662 if (sc->ntxpath > 1)
663 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
664
665 /* delayed BA */
666
667 if (sc->mac_rev != 0x28600100)
668 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
669
670 /* init channels */
671
672 ic->ic_nchans = 0;
673
674 rt2870_init_channels(sc);
675
676 rt2870_init_channels_ht40(sc);
677
678 ieee80211_ifattach(ic, sc->mac_addr);
679
680 ic->ic_vap_create = rt2870_vap_create;
681 ic->ic_vap_delete = rt2870_vap_delete;
682
683 ic->ic_node_alloc = rt2870_node_alloc;
684 ic->ic_setregdomain = rt2870_setregdomain;
685 ic->ic_getradiocaps = rt2870_getradiocaps;
686 ic->ic_scan_start = rt2870_scan_start;
687 ic->ic_scan_end = rt2870_scan_end;
688 ic->ic_set_channel = rt2870_set_channel;
689 ic->ic_newassoc = rt2870_newassoc;
690 ic->ic_updateslot = rt2870_updateslot;
691 ic->ic_update_promisc = rt2870_update_promisc;
692 ic->ic_update_mcast = rt2870_update_mcast;
693 ic->ic_wme.wme_update = rt2870_wme_update;
694 ic->ic_raw_xmit = rt2870_raw_xmit;
695
696 sc->recv_action = ic->ic_recv_action;
697 ic->ic_recv_action = rt2870_recv_action;
698
699 sc->send_action = ic->ic_send_action;
700 ic->ic_send_action = rt2870_send_action;
701
702 /* hardware requires padding between 802.11 frame header and body */
703
704 ic->ic_flags |= IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
705
706 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
707
708 ieee80211_radiotap_attach(ic,
709 &sc->txtap.ihdr, sizeof(sc->txtap),
710 RT2870_SOFTC_TX_RADIOTAP_PRESENT,
711 &sc->rxtap.ihdr, sizeof(sc->rxtap),
712 RT2870_SOFTC_RX_RADIOTAP_PRESENT);
713
714 /* init task queue */
715
716 TASK_INIT(&sc->rx_done_task, 0, rt2870_rx_done_task, sc);
717 TASK_INIT(&sc->tx_done_task, 0, rt2870_tx_done_task, sc);
718 TASK_INIT(&sc->periodic_task, 0, rt2870_periodic_task, sc);
719 TASK_INIT(&sc->cmd_task, 0, rt2870_cmd_task, sc);
720
721 sc->rx_process_limit = 100;
722
723 sc->taskqueue = taskqueue_create("rt2870_taskq", M_NOWAIT,
724 taskqueue_thread_enqueue, &sc->taskqueue);
725
726 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
727 device_get_nameunit(sc->dev));
728
729 rt2870_sysctl_attach(sc);
730
731 if (bootverbose)
732 ieee80211_announce(ic);
733
734 return 0;
735
736 fail:
737
738 /* stop all USB transfers */
739
740 usbd_transfer_unsetup(sc->usb_xfer, sc->usb_endpoints);
741
742 /* free Tx and Rx rings */
743
744 for (i = 0; i < sc->usb_endpoints - 1; i++)
745 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
746
747 rt2870_free_rx_ring(sc, &sc->rx_ring);
748
749 mtx_destroy(&sc->lock);
750
751 return error;
752 }
753
754 /*
755 * rt2870_detach
756 */
757 static int rt2870_detach(device_t dev)
758 {
759 struct rt2870_softc *sc;
760 struct ieee80211com *ic;
761 struct ifnet *ifp;
762 int i;
763
764 if (!device_is_attached(dev))
765 return 0;
766
767 sc = device_get_softc(dev);
768 ifp = sc->ifp;
769 ic = ifp->if_l2com;
770
771 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
772 "%s: detaching\n",
773 device_get_nameunit(sc->dev));
774
775 RT2870_SOFTC_LOCK(sc);
776
777 sc->tx_timer = 0;
778
779 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
780
781 callout_stop(&sc->periodic_ch);
782 callout_stop(&sc->tx_watchdog_ch);
783
784 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
785 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
786 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
787 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
788
789 RT2870_SOFTC_UNLOCK(sc);
790
791 /* stop all USB transfers */
792
793 usbd_transfer_unsetup(sc->usb_xfer, sc->usb_endpoints);
794
795 RT2870_SOFTC_LOCK(sc);
796
797 /* free Tx and Rx rings */
798
799 for (i = 0; i < sc->usb_endpoints - 1; i++)
800 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
801
802 rt2870_free_rx_ring(sc, &sc->rx_ring);
803
804 RT2870_SOFTC_UNLOCK(sc);
805
806 ieee80211_ifdetach(ic);
807
808 if_free(ifp);
809
810 taskqueue_free(sc->taskqueue);
811
812 mtx_destroy(&sc->lock);
813
814 return 0;
815 }
816
817 /*
818 * rt2870_init_channels
819 */
820 static void rt2870_init_channels(struct rt2870_softc *sc)
821 {
822 struct ifnet *ifp;
823 struct ieee80211com *ic;
824 struct ieee80211_channel *c;
825 int i, flags;
826
827 ifp = sc->ifp;
828 ic = ifp->if_l2com;
829
830 /* set supported channels for 2GHz band */
831
832 for (i = 1; i <= 14; i++)
833 {
834 c = &ic->ic_channels[ic->ic_nchans++];
835 flags = IEEE80211_CHAN_B;
836
837 c->ic_freq = ieee80211_ieee2mhz(i, flags);
838 c->ic_ieee = i;
839 c->ic_flags = flags;
840
841 c = &ic->ic_channels[ic->ic_nchans++];
842 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
843
844 c->ic_freq = ieee80211_ieee2mhz(i, flags);
845 c->ic_ieee = i;
846 c->ic_flags = flags;
847
848 c = &ic->ic_channels[ic->ic_nchans++];
849 flags = IEEE80211_CHAN_G;
850
851 c->ic_freq = ieee80211_ieee2mhz(i, flags);
852 c->ic_ieee = i;
853 c->ic_flags = flags;
854
855 c = &ic->ic_channels[ic->ic_nchans++];
856 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
857
858 c->ic_freq = ieee80211_ieee2mhz(i, flags);
859 c->ic_ieee = i;
860 c->ic_flags = flags;
861 }
862
863 /* set supported channels for 5GHz band */
864
865 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
866 sc->rf_rev == RT2870_EEPROM_RF_2750)
867 {
868 for (i = 36; i <= 64; i += 4)
869 {
870 c = &ic->ic_channels[ic->ic_nchans++];
871 flags = IEEE80211_CHAN_A;
872
873 c->ic_freq = ieee80211_ieee2mhz(i, flags);
874 c->ic_ieee = i;
875 c->ic_flags = flags;
876
877 c = &ic->ic_channels[ic->ic_nchans++];
878 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
879
880 c->ic_freq = ieee80211_ieee2mhz(i, flags);
881 c->ic_ieee = i;
882 c->ic_flags = flags;
883 }
884
885 for (i = 100; i <= 140; i += 4)
886 {
887 c = &ic->ic_channels[ic->ic_nchans++];
888 flags = IEEE80211_CHAN_A;
889
890 c->ic_freq = ieee80211_ieee2mhz(i, flags);
891 c->ic_ieee = i;
892 c->ic_flags = flags;
893
894 c = &ic->ic_channels[ic->ic_nchans++];
895 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
896
897 c->ic_freq = ieee80211_ieee2mhz(i, flags);
898 c->ic_ieee = i;
899 c->ic_flags = flags;
900 }
901
902 for (i = 149; i <= 165; i += 4)
903 {
904 c = &ic->ic_channels[ic->ic_nchans++];
905 flags = IEEE80211_CHAN_A;
906
907 c->ic_freq = ieee80211_ieee2mhz(i, flags);
908 c->ic_ieee = i;
909 c->ic_flags = flags;
910
911 c = &ic->ic_channels[ic->ic_nchans++];
912 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
913
914 c->ic_freq = ieee80211_ieee2mhz(i, flags);
915 c->ic_ieee = i;
916 c->ic_flags = flags;
917 }
918 }
919 }
920
921 /*
922 * rt2870_init_channels_ht40
923 */
924 static void rt2870_init_channels_ht40(struct rt2870_softc *sc)
925 {
926 struct ifnet *ifp;
927 struct ieee80211com *ic;
928 struct ieee80211_channel *c, *cent, *ext;
929 int i, flags;
930
931 ifp = sc->ifp;
932 ic = ifp->if_l2com;
933
934 /* set supported channels for 2GHz band */
935
936 for (i = 1; i <= 14; i++)
937 {
938 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
939
940 /* find the center channel */
941
942 cent = ieee80211_find_channel_byieee(ic, i,
943 flags & ~IEEE80211_CHAN_HT);
944 if (cent == NULL)
945 {
946 printf("%s: skip channel %d, could not find center channel\n",
947 device_get_nameunit(sc->dev), i);
948 continue;
949 }
950
951 /* find the extension channel */
952
953 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
954 flags & ~IEEE80211_CHAN_HT);
955 if (ext == NULL)
956 {
957 printf("%s: skip channel %d, could not find extension channel\n",
958 device_get_nameunit(sc->dev), i);
959 continue;
960 }
961
962 c = &ic->ic_channels[ic->ic_nchans++];
963
964 *c = *cent;
965 c->ic_extieee = ext->ic_ieee;
966 c->ic_flags &= ~IEEE80211_CHAN_HT;
967 c->ic_flags |= IEEE80211_CHAN_HT40U;
968
969 c = &ic->ic_channels[ic->ic_nchans++];
970
971 *c = *ext;
972 c->ic_extieee = cent->ic_ieee;
973 c->ic_flags &= ~IEEE80211_CHAN_HT;
974 c->ic_flags |= IEEE80211_CHAN_HT40D;
975 }
976
977 /* set supported channels for 5GHz band */
978
979 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
980 sc->rf_rev == RT2870_EEPROM_RF_2750)
981 {
982 for (i = 36; i <= 64; i += 4)
983 {
984 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
985
986 /* find the center channel */
987
988 cent = ieee80211_find_channel_byieee(ic, i,
989 flags & ~IEEE80211_CHAN_HT);
990 if (cent == NULL)
991 {
992 printf("%s: skip channel %d, could not find center channel\n",
993 device_get_nameunit(sc->dev), i);
994 continue;
995 }
996
997 /* find the extension channel */
998
999 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1000 flags & ~IEEE80211_CHAN_HT);
1001 if (ext == NULL)
1002 {
1003 printf("%s: skip channel %d, could not find extension channel\n",
1004 device_get_nameunit(sc->dev), i);
1005 continue;
1006 }
1007
1008 c = &ic->ic_channels[ic->ic_nchans++];
1009
1010 *c = *cent;
1011 c->ic_extieee = ext->ic_ieee;
1012 c->ic_flags &= ~IEEE80211_CHAN_HT;
1013 c->ic_flags |= IEEE80211_CHAN_HT40U;
1014
1015 c = &ic->ic_channels[ic->ic_nchans++];
1016
1017 *c = *ext;
1018 c->ic_extieee = cent->ic_ieee;
1019 c->ic_flags &= ~IEEE80211_CHAN_HT;
1020 c->ic_flags |= IEEE80211_CHAN_HT40D;
1021 }
1022
1023 for (i = 100; i <= 140; i += 4)
1024 {
1025 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1026
1027 /* find the center channel */
1028
1029 cent = ieee80211_find_channel_byieee(ic, i,
1030 flags & ~IEEE80211_CHAN_HT);
1031 if (cent == NULL)
1032 {
1033 printf("%s: skip channel %d, could not find center channel\n",
1034 device_get_nameunit(sc->dev), i);
1035 continue;
1036 }
1037
1038 /* find the extension channel */
1039
1040 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1041 flags & ~IEEE80211_CHAN_HT);
1042 if (ext == NULL)
1043 {
1044 printf("%s: skip channel %d, could not find extension channel\n",
1045 device_get_nameunit(sc->dev), i);
1046 continue;
1047 }
1048
1049 c = &ic->ic_channels[ic->ic_nchans++];
1050
1051 *c = *cent;
1052 c->ic_extieee = ext->ic_ieee;
1053 c->ic_flags &= ~IEEE80211_CHAN_HT;
1054 c->ic_flags |= IEEE80211_CHAN_HT40U;
1055
1056 c = &ic->ic_channels[ic->ic_nchans++];
1057
1058 *c = *ext;
1059 c->ic_extieee = cent->ic_ieee;
1060 c->ic_flags &= ~IEEE80211_CHAN_HT;
1061 c->ic_flags |= IEEE80211_CHAN_HT40D;
1062 }
1063
1064 for (i = 149; i <= 165; i += 4)
1065 {
1066 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1067
1068 /* find the center channel */
1069
1070 cent = ieee80211_find_channel_byieee(ic, i,
1071 flags & ~IEEE80211_CHAN_HT);
1072 if (cent == NULL)
1073 {
1074 printf("%s: skip channel %d, could not find center channel\n",
1075 device_get_nameunit(sc->dev), i);
1076 continue;
1077 }
1078
1079 /* find the extension channel */
1080
1081 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1082 flags & ~IEEE80211_CHAN_HT);
1083 if (ext == NULL)
1084 {
1085 printf("%s: skip channel %d, could not find extension channel\n",
1086 device_get_nameunit(sc->dev), i);
1087 continue;
1088 }
1089
1090 c = &ic->ic_channels[ic->ic_nchans++];
1091
1092 *c = *cent;
1093 c->ic_extieee = ext->ic_ieee;
1094 c->ic_flags &= ~IEEE80211_CHAN_HT;
1095 c->ic_flags |= IEEE80211_CHAN_HT40U;
1096
1097 c = &ic->ic_channels[ic->ic_nchans++];
1098
1099 *c = *ext;
1100 c->ic_extieee = cent->ic_ieee;
1101 c->ic_flags &= ~IEEE80211_CHAN_HT;
1102 c->ic_flags |= IEEE80211_CHAN_HT40D;
1103 }
1104 }
1105 }
1106
1107 /*
1108 * rt2870_init_locked
1109 */
1110 static void rt2870_init_locked(void *priv)
1111 {
1112 struct rt2870_softc *sc;
1113 struct ifnet *ifp;
1114 struct ieee80211com *ic;
1115 int ntries, error, i;
1116 uint32_t tmp, stacnt[6];
1117
1118 sc = priv;
1119 ifp = sc->ifp;
1120 ic = ifp->if_l2com;
1121
1122 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1123 "%s: initializing\n",
1124 device_get_nameunit(sc->dev));
1125
1126 RT2870_SOFTC_ASSERT_LOCKED(sc);
1127
1128 if (!(sc->flags & RT2870_SOFTC_FLAGS_UCODE_LOADED))
1129 {
1130 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1131 "%s: loading 8051 microcode\n",
1132 device_get_nameunit(sc->dev));
1133
1134 error = rt2870_io_mcu_load_ucode(sc, rt2870_ucode, sizeof(rt2870_ucode));
1135 if (error != 0)
1136 {
1137 printf("%s: could not load 8051 microcode\n",
1138 device_get_nameunit(sc->dev));
1139 goto fail;
1140 }
1141
1142 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1143 "%s: 8051 microcode was successfully loaded\n",
1144 device_get_nameunit(sc->dev));
1145
1146 sc->flags |= RT2870_SOFTC_FLAGS_UCODE_LOADED;
1147 }
1148
1149 /* wait while DMA engine is busy */
1150
1151 for (ntries = 0; ntries < 100; ntries++)
1152 {
1153 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
1154 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
1155 break;
1156
1157 DELAY(1000);
1158 }
1159
1160 if (ntries == 100)
1161 {
1162 printf("%s: timeout waiting for DMA engine\n",
1163 device_get_nameunit(sc->dev));
1164 goto fail;
1165 }
1166
1167 tmp &= 0xff0;
1168 tmp |= RT2870_REG_TX_WB_DDONE;
1169
1170 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1171
1172 /* PBF hardware reset */
1173
1174 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_SYS_CTRL);
1175
1176 tmp &= ~(1 << 13);
1177
1178 rt2870_io_mac_write(sc, RT2870_REG_PBF_SYS_CTRL, tmp);
1179
1180 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1181 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1182
1183 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1184
1185 rt2870_io_mcu_reset(sc);
1186
1187 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1188
1189 /* init Tx power per rate */
1190
1191 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
1192 {
1193 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1194 continue;
1195
1196 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i),
1197 sc->txpow_rate_20mhz[i]);
1198 }
1199
1200 for (i = 0; i < RT2870_DEF_MAC_SIZE; i++)
1201 rt2870_io_mac_write(sc, rt2870_def_mac[i].reg,
1202 rt2870_def_mac[i].val);
1203
1204 /* wait while MAC is busy */
1205
1206 for (ntries = 0; ntries < 100; ntries++)
1207 {
1208 if (!(rt2870_io_mac_read(sc, RT2870_REG_STATUS_CFG) &
1209 (RT2870_REG_STATUS_TX_BUSY | RT2870_REG_STATUS_RX_BUSY)))
1210 break;
1211
1212 DELAY(1000);
1213 }
1214
1215 if (ntries == 100)
1216 {
1217 printf("%s: timeout waiting for MAC\n",
1218 device_get_nameunit(sc->dev));
1219 goto fail;
1220 }
1221
1222 /* clear Host to MCU mailbox */
1223
1224 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX_BBP_AGENT, 0);
1225 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX, 0);
1226
1227 DELAY(1000);
1228
1229 error = rt2870_init_bbp(sc);
1230 if (error != 0)
1231 goto fail;
1232
1233 /* set up maximum buffer sizes */
1234
1235 tmp = (1 << 12) | RT2870_MAX_AGG_SIZE;
1236
1237 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1238
1239 if (sc->mac_rev == 0x28720200)
1240 {
1241 /* set max. PSDU length from 16K to 32K bytes */
1242
1243 tmp = rt2870_io_mac_read(sc, RT2870_REG_MAX_LEN_CFG);
1244
1245 tmp &= ~(3 << 12);
1246 tmp |= (2 << 12);
1247
1248 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1249 }
1250
1251 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1252 {
1253 tmp = rt2870_io_mac_read(sc, RT2870_REG_MAX_LEN_CFG);
1254
1255 tmp &= 0xfff;
1256 tmp |= 0x2000;
1257
1258 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1259 }
1260
1261 /* set mac address */
1262
1263 rt2870_asic_set_macaddr(sc, IF_LLADDR(ifp));
1264
1265 /* clear statistic registers */
1266
1267 rt2870_io_mac_read_multi(sc, RT2870_REG_RX_STA_CNT0,
1268 stacnt, sizeof(stacnt));
1269
1270 /* send LEDs operating mode to microcontroller */
1271
1272 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED1,
1273 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1274 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED2,
1275 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1276 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED3,
1277 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1278
1279 /* write vendor-specific BBP values (from EEPROM) */
1280
1281 for (i = 0; i < RT2870_SOFTC_BBP_EEPROM_COUNT; i++)
1282 {
1283 if (sc->bbp_eeprom[i].reg == 0x00 ||
1284 sc->bbp_eeprom[i].reg == 0xff)
1285 continue;
1286
1287 rt2870_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1288 sc->bbp_eeprom[i].val);
1289 }
1290
1291 /* disable non-existing Rx chains */
1292
1293 tmp = rt2870_io_bbp_read(sc, 3);
1294
1295 tmp &= ~((1 << 4) | (1 << 3));
1296
1297 if (sc->nrxpath == 3)
1298 tmp |= (1 << 4);
1299 else if (sc->nrxpath == 2)
1300 tmp |= (1 << 3);
1301
1302 rt2870_io_bbp_write(sc, 3, tmp);
1303
1304 /* disable non-existing Tx chains */
1305
1306 tmp = rt2870_io_bbp_read(sc, 1);
1307
1308 if (sc->ntxpath == 1)
1309 tmp &= ~((1 << 4) | (1 << 3));
1310
1311 rt2870_io_bbp_write(sc, 1, tmp);
1312
1313 tmp = rt2870_io_bbp_read(sc, 4);
1314
1315 tmp &= ~0x18;
1316
1317 rt2870_io_bbp_write(sc, 4, tmp);
1318
1319 /* set current channel */
1320
1321 rt2870_rf_set_chan(sc, ic->ic_curchan);
1322
1323 /* turn radio LED on */
1324
1325 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON);
1326
1327 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_BOOT,
1328 RT2870_REG_H2M_TOKEN_NO_INTR, 0);
1329
1330 /* set RTS threshold */
1331
1332 rt2870_asic_update_rtsthreshold(sc);
1333
1334 /* set Tx power */
1335
1336 rt2870_asic_update_txpower(sc);
1337
1338 /* set up protection mode */
1339
1340 rt2870_asic_updateprot(sc);
1341
1342 /* clear key tables */
1343
1344 rt2870_asic_clear_keytables(sc);
1345
1346 if (rt2870_txrx_enable(sc) != 0)
1347 goto fail;
1348
1349 /* clear garbage interrupts */
1350
1351 tmp = rt2870_io_mac_read(sc, 0x1300);
1352
1353 taskqueue_unblock(sc->taskqueue);
1354
1355 /* init Tx and Rx rings */
1356
1357 for(i = 0; i < sc->usb_endpoints - 1; i++)
1358 rt2870_reset_tx_ring(sc, &sc->tx_ring[i]);
1359
1360 rt2870_reset_rx_ring(sc, &sc->rx_ring);
1361
1362 rt2870_reset_cmd_ring(sc, &sc->cmd_ring);
1363
1364 for(i = 0; i < sc->usb_endpoints - 1; i++)
1365 {
1366 usbd_xfer_set_priv(sc->usb_xfer[i + 1], &sc->tx_ring[i]);
1367 usbd_xfer_set_stall(sc->usb_xfer[i + 1]);
1368 }
1369
1370 /* start up the receive pipe */
1371
1372 for(i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
1373 usbd_transfer_start(sc->usb_xfer[0]);
1374
1375 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1376 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1377
1378 sc->periodic_round = 0;
1379
1380 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
1381
1382 return;
1383
1384 fail:
1385
1386 rt2870_stop_locked(sc);
1387 }
1388
1389 /*
1390 * rt2870_init
1391 */
1392 static void rt2870_init(void *priv)
1393 {
1394 struct rt2870_softc *sc;
1395
1396 sc = priv;
1397
1398 RT2870_SOFTC_LOCK(sc);
1399
1400 rt2870_init_locked(sc);
1401
1402 RT2870_SOFTC_UNLOCK(sc);
1403 }
1404
1405 /*
1406 * rt2870_init_bbp
1407 */
1408 static int rt2870_init_bbp(struct rt2870_softc *sc)
1409 {
1410 int ntries, i;
1411 uint8_t tmp;
1412
1413 for (ntries = 0; ntries < 20; ntries++)
1414 {
1415 tmp = rt2870_io_bbp_read(sc, 0);
1416 if (tmp != 0x00 && tmp != 0xff)
1417 break;
1418 }
1419
1420 if (tmp == 0x00 || tmp == 0xff)
1421 {
1422 printf("%s: timeout waiting for BBP to wakeup\n",
1423 device_get_nameunit(sc->dev));
1424 return ETIMEDOUT;
1425 }
1426
1427 for (i = 0; i < RT2870_DEF_BBP_SIZE; i++)
1428 rt2870_io_bbp_write(sc, rt2870_def_bbp[i].reg,
1429 rt2870_def_bbp[i].val);
1430
1431 if ((sc->mac_rev & 0xffff) != 0x0101)
1432 rt2870_io_bbp_write(sc, 84, 0x19);
1433
1434 if (sc->mac_rev == 0x28600100)
1435 {
1436 rt2870_io_bbp_write(sc, 69, 0x16);
1437 rt2870_io_bbp_write(sc, 73, 0x12);
1438 }
1439
1440 return 0;
1441 }
1442
1443 /*
1444 * rt2870_stop_locked
1445 */
1446 static void rt2870_stop_locked(void *priv)
1447 {
1448 struct rt2870_softc *sc;
1449 struct ifnet *ifp;
1450 struct ieee80211com *ic;
1451 uint32_t tmp;
1452 int i;
1453
1454 sc = priv;
1455 ifp = sc->ifp;
1456 ic = ifp->if_l2com;
1457
1458 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1459 "%s: stopping\n",
1460 device_get_nameunit(sc->dev));
1461
1462 RT2870_SOFTC_ASSERT_LOCKED(sc);
1463
1464 sc->tx_timer = 0;
1465
1466 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1467 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
1468
1469 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1470
1471 callout_stop(&sc->periodic_ch);
1472 callout_stop(&sc->tx_watchdog_ch);
1473
1474 RT2870_SOFTC_UNLOCK(sc);
1475
1476 taskqueue_block(sc->taskqueue);
1477
1478 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1479 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1480 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1481 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
1482
1483 RT2870_SOFTC_LOCK(sc);
1484
1485 /* clear key tables */
1486
1487 rt2870_asic_clear_keytables(sc);
1488
1489 /* disable Tx/Rx */
1490
1491 tmp = rt2870_io_mac_read(sc, RT2870_REG_SYS_CTRL);
1492
1493 tmp &= ~(RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
1494
1495 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, tmp);
1496
1497 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1498
1499 /* reset adapter */
1500
1501 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1502 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1503 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1504
1505 /* abort any pending transfers */
1506
1507 for (i = 0; i < sc->usb_endpoints; i++)
1508 usbd_transfer_stop(sc->usb_xfer[i]);
1509 }
1510
1511 /*
1512 * rt2870_stop
1513 */
1514 static void rt2870_stop(void *priv)
1515 {
1516 struct rt2870_softc *sc;
1517
1518 sc = priv;
1519
1520 RT2870_SOFTC_LOCK(sc);
1521
1522 rt2870_stop_locked(sc);
1523
1524 RT2870_SOFTC_UNLOCK(sc);
1525 }
1526
1527 /*
1528 * rt2870_start
1529 */
1530 static void rt2870_start(struct ifnet *ifp)
1531 {
1532 struct rt2870_softc *sc;
1533 struct ieee80211_node *ni;
1534 struct mbuf *m;
1535 int qid;
1536
1537 sc = ifp->if_softc;
1538
1539 RT2870_SOFTC_LOCK(sc);
1540
1541 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1542 {
1543 RT2870_SOFTC_UNLOCK(sc);
1544 return;
1545 }
1546
1547 for (;;)
1548 {
1549 IF_POLL(&ifp->if_snd, m);
1550 if (m == NULL)
1551 break;
1552
1553 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1554
1555 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1556
1557 qid = M_WME_GETAC(m);
1558
1559 if (sc->tx_ring[qid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1560 {
1561 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1562 "%s: if_start: Tx ring with qid=%d is full\n",
1563 device_get_nameunit(sc->dev), qid);
1564
1565 m_freem(m);
1566 ieee80211_free_node(ni);
1567 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1568 ifp->if_oerrors++;
1569 break;
1570 }
1571
1572 if (rt2870_tx_data(sc, m, ni, qid) != 0)
1573 {
1574 ieee80211_free_node(ni);
1575 ifp->if_oerrors++;
1576 break;
1577 }
1578
1579 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
1580
1581 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
1582 }
1583
1584 RT2870_SOFTC_UNLOCK(sc);
1585 }
1586
1587 /*
1588 * rt2870_ioctl
1589 */
1590 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1591 {
1592 struct rt2870_softc *sc;
1593 struct ieee80211com *ic;
1594 struct ifreq *ifr;
1595 int error, startall;
1596
1597 sc = ifp->if_softc;
1598 ic = ifp->if_l2com;
1599 ifr = (struct ifreq *) data;
1600
1601 error = 0;
1602
1603 switch (cmd)
1604 {
1605 case SIOCSIFFLAGS:
1606 startall = 0;
1607
1608 RT2870_SOFTC_LOCK(sc);
1609
1610 if (ifp->if_flags & IFF_UP)
1611 {
1612 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1613 {
1614 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1615 rt2870_asic_update_promisc(sc);
1616 }
1617 else
1618 {
1619 rt2870_init_locked(sc);
1620 startall = 1;
1621 }
1622 }
1623 else
1624 {
1625 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1626 rt2870_stop_locked(sc);
1627 }
1628
1629 sc->if_flags = ifp->if_flags;
1630
1631 RT2870_SOFTC_UNLOCK(sc);
1632
1633 if (startall)
1634 ieee80211_start_all(ic);
1635 break;
1636
1637 case SIOCGIFMEDIA:
1638 case SIOCSIFMEDIA:
1639 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
1640 break;
1641
1642 case SIOCGIFADDR:
1643 error = ether_ioctl(ifp, cmd, data);
1644 break;
1645
1646 default:
1647 error = EINVAL;
1648 break;
1649 }
1650
1651 return error;
1652 }
1653
1654 /*
1655 * rt2870_vap_create
1656 */
1657 static struct ieee80211vap *rt2870_vap_create(struct ieee80211com *ic,
1658 const char name[IFNAMSIZ], int unit, int opmode, int flags,
1659 const uint8_t bssid[IEEE80211_ADDR_LEN],
1660 const uint8_t mac[IEEE80211_ADDR_LEN])
1661 {
1662 struct rt2870_softc *sc;
1663 struct ifnet *ifp;
1664 struct rt2870_softc_vap *rvap;
1665 struct ieee80211vap *vap;
1666
1667 ifp = ic->ic_ifp;
1668 sc = ifp->if_softc;
1669
1670 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1671 "%s: VAP create: opmode=%s\n",
1672 device_get_nameunit(sc->dev),
1673 ieee80211_opmode_name[opmode]);
1674
1675 switch (opmode)
1676 {
1677 case IEEE80211_M_MONITOR:
1678 case IEEE80211_M_IBSS:
1679 case IEEE80211_M_STA:
1680 case IEEE80211_M_AHDEMO:
1681 case IEEE80211_M_HOSTAP:
1682 case IEEE80211_M_MBSS:
1683 if (!TAILQ_EMPTY(&ic->ic_vaps))
1684 {
1685 if_printf(ifp, "only 1 VAP supported\n");
1686 return NULL;
1687 }
1688
1689 if (opmode == IEEE80211_M_STA)
1690 flags |= IEEE80211_CLONE_NOBEACONS;
1691 break;
1692
1693 case IEEE80211_M_WDS:
1694 if (TAILQ_EMPTY(&ic->ic_vaps) || ic->ic_opmode != IEEE80211_M_HOSTAP)
1695 {
1696 if_printf(ifp, "WDS only supported in AP mode\n");
1697 return NULL;
1698 }
1699
1700 flags &= ~IEEE80211_CLONE_BSSID;
1701 break;
1702
1703 default:
1704 if_printf(ifp, "unknown opmode %d\n", opmode);
1705 return NULL;
1706 }
1707
1708 rvap = (struct rt2870_softc_vap *) malloc(sizeof(struct rt2870_softc_vap),
1709 M_80211_VAP, M_NOWAIT | M_ZERO);
1710 if (rvap == NULL)
1711 return NULL;
1712
1713 vap = &rvap->vap;
1714
1715 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
1716
1717 rvap->newstate = vap->iv_newstate;
1718 vap->iv_newstate = rt2870_vap_newstate;
1719
1720 vap->iv_reset = rt2870_vap_reset;
1721 vap->iv_key_update_begin = rt2870_vap_key_update_begin;
1722 vap->iv_key_update_end = rt2870_vap_key_update_end;
1723 vap->iv_key_set = rt2870_vap_key_set;
1724 vap->iv_key_delete = rt2870_vap_key_delete;
1725 vap->iv_update_beacon = rt2870_vap_update_beacon;
1726
1727 rt2870_amrr_init(&rvap->amrr, vap,
1728 RT2870_AMRR_MIN_SUCCESS_THRESHOLD,
1729 RT2870_AMRR_MAX_SUCCESS_THRESHOLD,
1730 500);
1731
1732 ieee80211_vap_attach(vap, ieee80211_media_change, ieee80211_media_status);
1733
1734 ic->ic_opmode = opmode;
1735
1736 return vap;
1737 }
1738
1739 /*
1740 * rt2870_vap_delete
1741 */
1742 static void rt2870_vap_delete(struct ieee80211vap *vap)
1743 {
1744 struct rt2870_softc *sc;
1745 struct ieee80211com *ic;
1746 struct ifnet *ifp;
1747 struct rt2870_softc_vap *rvap;
1748
1749 ic = vap->iv_ic;
1750 ifp = ic->ic_ifp;
1751 sc = ifp->if_softc;
1752 rvap = (struct rt2870_softc_vap *) vap;
1753
1754 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1755 "%s: VAP delete: opmode=%s\n",
1756 device_get_nameunit(sc->dev),
1757 ieee80211_opmode_name[vap->iv_opmode]);
1758
1759 rt2870_amrr_cleanup(&rvap->amrr);
1760
1761 ieee80211_vap_detach(vap);
1762
1763 free(rvap, M_80211_VAP);
1764 }
1765
1766 /*
1767 * rt2870_reset_vap
1768 */
1769 static int rt2870_vap_reset(struct ieee80211vap *vap, u_long cmd)
1770 {
1771 struct rt2870_softc *sc;
1772 struct ieee80211com *ic;
1773 struct ifnet *ifp;
1774 struct rt2870_softc_vap *rvap;
1775 int error;
1776
1777 ic = vap->iv_ic;
1778 ifp = ic->ic_ifp;
1779 sc = ifp->if_softc;
1780 rvap = (struct rt2870_softc_vap *) vap;
1781
1782 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1783 "%s: VAP reset: cmd=%lu\n",
1784 device_get_nameunit(sc->dev), cmd);
1785
1786 error = 0;
1787
1788 RT2870_SOFTC_LOCK(sc);
1789
1790 switch (cmd)
1791 {
1792 case IEEE80211_IOC_RTSTHRESHOLD:
1793 rt2870_asic_update_rtsthreshold(sc);
1794 break;
1795
1796 case IEEE80211_IOC_PROTMODE:
1797 case IEEE80211_IOC_HTPROTMODE:
1798 rt2870_asic_updateprot(sc);
1799 break;
1800
1801 case IEEE80211_IOC_TXPOWER:
1802 rt2870_asic_update_txpower(sc);
1803 break;
1804
1805 case IEEE80211_IOC_SHORTGI:
1806 case IEEE80211_IOC_AMPDU_DENSITY:
1807 break;
1808
1809 default:
1810 error = ENETRESET;
1811 break;
1812 }
1813
1814 RT2870_SOFTC_UNLOCK(sc);
1815
1816 return error;
1817 }
1818
1819 /*
1820 * rt2870_vap_newstate
1821 */
1822 static int rt2870_vap_newstate(struct ieee80211vap *vap,
1823 enum ieee80211_state nstate, int arg)
1824 {
1825 struct rt2870_softc *sc;
1826 struct ieee80211com *ic;
1827 struct ifnet *ifp;
1828 struct rt2870_softc_vap *rvap;
1829 struct ieee80211_node *ni;
1830 int error;
1831
1832 ic = vap->iv_ic;
1833 ifp = ic->ic_ifp;
1834 sc = ifp->if_softc;
1835 rvap = (struct rt2870_softc_vap *) vap;
1836
1837 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
1838 "%s: VAP newstate: %s -> %s\n",
1839 device_get_nameunit(sc->dev),
1840 ieee80211_state_name[vap->iv_state], ieee80211_state_name[nstate]);
1841
1842 error = rvap->newstate(vap, nstate, arg);
1843 if (error != 0)
1844 return error;
1845
1846 IEEE80211_UNLOCK(ic);
1847
1848 RT2870_SOFTC_LOCK(sc);
1849
1850 /* turn link LED off */
1851
1852 if (nstate != IEEE80211_S_RUN)
1853 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
1854
1855 switch (nstate)
1856 {
1857 case IEEE80211_S_INIT:
1858 rt2870_asic_disable_tsf_sync(sc);
1859 break;
1860
1861 case IEEE80211_S_RUN:
1862 ni = vap->iv_bss;
1863
1864 rt2870_rf_set_chan(sc, ni->ni_chan);
1865
1866 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1867 {
1868 rt2870_asic_enable_mrr(sc);
1869 rt2870_asic_set_txpreamble(sc);
1870 rt2870_asic_set_basicrates(sc);
1871 rt2870_asic_set_bssid(sc, ni->ni_bssid);
1872 }
1873
1874 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
1875 vap->iv_opmode == IEEE80211_M_IBSS ||
1876 vap->iv_opmode == IEEE80211_M_MBSS)
1877 {
1878 error = rt2870_asic_update_beacon(sc, vap);
1879 if (error != 0)
1880 break;
1881 }
1882
1883 if (vap->iv_opmode != IEEE80211_M_MONITOR)
1884 rt2870_asic_enable_tsf_sync(sc);
1885
1886 /* turn link LED on */
1887
1888 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1889 {
1890 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON |
1891 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
1892 RT2870_LED_CMD_LINK_2GHZ : RT2870_LED_CMD_LINK_5GHZ));
1893 }
1894 break;
1895
1896 default:
1897 break;
1898 }
1899
1900 RT2870_SOFTC_UNLOCK(sc);
1901
1902 IEEE80211_LOCK(ic);
1903
1904 return error;
1905 }
1906
1907 /*
1908 * rt2870_vap_key_update_begin
1909 */
1910 static void rt2870_vap_key_update_begin(struct ieee80211vap *vap)
1911 {
1912 struct rt2870_softc *sc;
1913 struct ieee80211com *ic;
1914 struct ifnet *ifp;
1915
1916 ic = vap->iv_ic;
1917 ifp = ic->ic_ifp;
1918 sc = ifp->if_softc;
1919
1920 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
1921 "%s: VAP key update begin\n",
1922 device_get_nameunit(sc->dev));
1923
1924 taskqueue_block(sc->taskqueue);
1925
1926 IF_LOCK(&ifp->if_snd);
1927 }
1928
1929 /*
1930 * rt2870_vap_key_update_end
1931 */
1932 static void rt2870_vap_key_update_end(struct ieee80211vap *vap)
1933 {
1934 struct rt2870_softc *sc;
1935 struct ieee80211com *ic;
1936 struct ifnet *ifp;
1937
1938 ic = vap->iv_ic;
1939 ifp = ic->ic_ifp;
1940 sc = ifp->if_softc;
1941
1942 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
1943 "%s: VAP key update end\n",
1944 device_get_nameunit(sc->dev));
1945
1946 IF_UNLOCK(&ifp->if_snd);
1947
1948 taskqueue_unblock(sc->taskqueue);
1949 }
1950
1951 /*
1952 * rt2870_vap_key_set
1953 */
1954 static int rt2870_vap_key_set(struct ieee80211vap *vap,
1955 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
1956 {
1957 struct rt2870_softc *sc;
1958 struct ieee80211com *ic;
1959 struct ifnet *ifp;
1960 struct ieee80211_node *ni;
1961 uint16_t associd, key_base, keymode_base;
1962 uint8_t mode, vapid, wcid, iv[8];
1963 uint32_t tmp;
1964
1965 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
1966 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
1967 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
1968 return EINVAL;
1969
1970 ic = vap->iv_ic;
1971 ifp = ic->ic_ifp;
1972 sc = ifp->if_softc;
1973
1974 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
1975 ni = vap->iv_bss;
1976 else
1977 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, mac);
1978
1979 associd = (ni != NULL) ? ni->ni_associd : 0;
1980
1981 if ((vap->iv_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
1982 ieee80211_free_node(ni);
1983
1984 switch (k->wk_cipher->ic_cipher)
1985 {
1986 case IEEE80211_CIPHER_WEP:
1987 if(k->wk_keylen < 8)
1988 mode = RT2870_REG_CIPHER_MODE_WEP40;
1989 else
1990 mode = RT2870_REG_CIPHER_MODE_WEP104;
1991 break;
1992
1993 case IEEE80211_CIPHER_TKIP:
1994 mode = RT2870_REG_CIPHER_MODE_TKIP;
1995 break;
1996
1997 case IEEE80211_CIPHER_AES_CCM:
1998 mode = RT2870_REG_CIPHER_MODE_AES_CCMP;
1999 break;
2000
2001 default:
2002 return EINVAL;
2003 }
2004
2005 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2006 "%s: VAP key set: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2007 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2008 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2009
2010 RT2870_SOFTC_LOCK(sc);
2011
2012 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2013 {
2014 /* install pairwise key */
2015
2016 vapid = 0;
2017 wcid = RT2870_AID2WCID(associd);
2018 key_base = RT2870_REG_PKEY(wcid);
2019
2020 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2021 {
2022 memset(iv, 0, 8);
2023
2024 iv[3] = (k->wk_keyix << 6);
2025 }
2026 else
2027 {
2028 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2029 {
2030 iv[0] = (k->wk_keytsc >> 8);
2031 iv[1] = ((iv[0] | 0x20) & 0x7f);
2032 iv[2] = k->wk_keytsc;
2033 }
2034 else
2035 {
2036 /* AES CCMP */
2037
2038 iv[0] = k->wk_keytsc;
2039 iv[1] = k->wk_keytsc >> 8;
2040 iv[2] = 0;
2041 }
2042
2043 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2044 iv[4] = (k->wk_keytsc >> 16);
2045 iv[5] = (k->wk_keytsc >> 24);
2046 iv[6] = (k->wk_keytsc >> 32);
2047 iv[7] = (k->wk_keytsc >> 40);
2048
2049 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2050 "%s: set key: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2051 device_get_nameunit(sc->dev),
2052 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2053 }
2054
2055 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
2056
2057 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2058 {
2059 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2060
2061 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2062 {
2063 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2064 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2065 }
2066 else
2067 {
2068 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2069 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2070 }
2071 }
2072 else
2073 {
2074 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2075 }
2076
2077 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2078 (mode << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2079
2080 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2081 }
2082
2083 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2084 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2085 {
2086 /* install group key */
2087
2088 vapid = 0;
2089 key_base = RT2870_REG_SKEY(vapid, k->wk_keyix);
2090 keymode_base = RT2870_REG_SKEY_MODE(vapid);
2091
2092 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2093 {
2094 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2095
2096 if (vap->iv_opmode != IEEE80211_M_HOSTAP)
2097 {
2098 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2099 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2100 }
2101 else
2102 {
2103 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2104 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2105 }
2106 }
2107 else
2108 {
2109 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2110 }
2111
2112 tmp = rt2870_io_mac_read(sc, keymode_base);
2113
2114 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2115 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2116
2117 rt2870_io_mac_write(sc, keymode_base, tmp);
2118 }
2119
2120 RT2870_SOFTC_UNLOCK(sc);
2121
2122 return 1;
2123 }
2124
2125 /*
2126 * rt2870_vap_key_delete
2127 */
2128 static int rt2870_vap_key_delete(struct ieee80211vap *vap,
2129 const struct ieee80211_key *k)
2130 {
2131 struct rt2870_softc *sc;
2132 struct ieee80211com *ic;
2133 struct ifnet *ifp;
2134 struct ieee80211_node *ni;
2135 struct rt2870_cmd_argv_keydelete cmd_argv;
2136 uint16_t associd;
2137
2138 ic = vap->iv_ic;
2139 ifp = ic->ic_ifp;
2140 sc = ifp->if_softc;
2141 ni = vap->iv_bss;
2142 associd = (ni != NULL) ? ni->ni_associd : 0;
2143
2144 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2145 "%s: VAP key delete: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2146 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2147 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2148
2149 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2150 cmd_argv.associd = associd;
2151
2152 rt2870_do_async(sc, rt2870_vap_key_delete_cb,
2153 &cmd_argv, sizeof(struct rt2870_cmd_argv_keydelete));
2154
2155 return 1;
2156 }
2157
2158 /*
2159 * rt2870_vap_update_beacon
2160 */
2161 static void rt2870_vap_update_beacon(struct ieee80211vap *vap, int what)
2162 {
2163 struct rt2870_softc *sc;
2164 struct ieee80211com *ic;
2165 struct ifnet *ifp;
2166
2167 ic = vap->iv_ic;
2168 ifp = ic->ic_ifp;
2169 sc = ifp->if_softc;
2170
2171 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2172 "%s: VAP update beacon\n",
2173 device_get_nameunit(sc->dev));
2174
2175 rt2870_do_async(sc, rt2870_vap_update_beacon_cb, NULL, 0);
2176 }
2177
2178 /*
2179 * rt2870_node_alloc
2180 */
2181 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211vap *vap,
2182 const uint8_t mac[IEEE80211_ADDR_LEN])
2183 {
2184 return malloc(sizeof(struct rt2870_softc_node),
2185 M_80211_NODE, M_NOWAIT | M_ZERO);
2186 }
2187
2188 /*
2189 * rt2870_setregdomain
2190 */
2191 static int rt2870_setregdomain(struct ieee80211com *ic,
2192 struct ieee80211_regdomain *reg,
2193 int nchans, struct ieee80211_channel chans[])
2194 {
2195 struct rt2870_softc *sc;
2196 struct ifnet *ifp;
2197
2198 ifp = ic->ic_ifp;
2199 sc = ifp->if_softc;
2200
2201 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2202 "%s: set regulatory domain: country=%d, country code string=%c%c, location=%c\n",
2203 device_get_nameunit(sc->dev),
2204 reg->country, reg->isocc[0], reg->isocc[1], reg->location);
2205
2206 return 0;
2207 }
2208
2209 /*
2210 * rt2870_getradiocaps
2211 */
2212 static void rt2870_getradiocaps(struct ieee80211com *ic,
2213 int maxchans, int *nchans, struct ieee80211_channel chans[])
2214 {
2215 *nchans = (ic->ic_nchans >= maxchans) ? maxchans : ic->ic_nchans;
2216
2217 memcpy(chans, ic->ic_channels, (*nchans) * sizeof(struct ieee80211_channel));
2218 }
2219
2220 /*
2221 * rt2870_scan_start
2222 */
2223 static void rt2870_scan_start(struct ieee80211com *ic)
2224 {
2225 struct rt2870_softc *sc;
2226 struct ifnet *ifp;
2227
2228 ifp = ic->ic_ifp;
2229 sc = ifp->if_softc;
2230
2231 RT2870_SOFTC_LOCK(sc);
2232
2233 rt2870_asic_disable_tsf_sync(sc);
2234
2235 RT2870_SOFTC_UNLOCK(sc);
2236 }
2237
2238 /*
2239 * rt2870_scan_end
2240 */
2241 static void rt2870_scan_end(struct ieee80211com *ic)
2242 {
2243 struct rt2870_softc *sc;
2244 struct ifnet *ifp;
2245
2246 ifp = ic->ic_ifp;
2247 sc = ifp->if_softc;
2248
2249 RT2870_SOFTC_LOCK(sc);
2250
2251 rt2870_asic_enable_tsf_sync(sc);
2252
2253 RT2870_SOFTC_UNLOCK(sc);
2254 }
2255
2256 /*
2257 * rt2870_set_channel
2258 */
2259 static void rt2870_set_channel(struct ieee80211com *ic)
2260 {
2261 struct rt2870_softc *sc;
2262 struct ifnet *ifp;
2263
2264 ifp = ic->ic_ifp;
2265 sc = ifp->if_softc;
2266
2267 RT2870_DPRINTF(sc, RT2870_DEBUG_CHAN,
2268 "%s: set channel: channel=%u, HT%s%s\n",
2269 device_get_nameunit(sc->dev),
2270 ieee80211_chan2ieee(ic, ic->ic_curchan),
2271 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2272 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2273 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2274 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2275
2276 RT2870_SOFTC_LOCK(sc);
2277
2278 rt2870_rf_set_chan(sc, ic->ic_curchan);
2279
2280 RT2870_SOFTC_UNLOCK(sc);
2281 }
2282
2283 /*
2284 * rt2870_newassoc
2285 */
2286 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew)
2287 {
2288 struct rt2870_softc *sc;
2289 struct ieee80211com *ic;
2290 struct ifnet *ifp;
2291 struct ieee80211vap *vap;
2292 struct rt2870_softc_vap *rvap;
2293 uint16_t associd;
2294 uint8_t wcid;
2295
2296 vap = ni->ni_vap;
2297 ic = vap->iv_ic;
2298 ifp = ic->ic_ifp;
2299 sc = ifp->if_softc;
2300 rvap = (struct rt2870_softc_vap *) vap;
2301
2302 associd = (ni != NULL) ? ni->ni_associd : 0;
2303 wcid = RT2870_AID2WCID(associd);
2304
2305 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2306 "%s: new association: wcid=0x%02x, "
2307 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2308 device_get_nameunit(sc->dev), wcid,
2309 ether_sprintf(ni->ni_macaddr),
2310 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2311 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2312 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2313
2314 RT2870_SOFTC_LOCK(sc);
2315
2316 rt2870_io_mac_write_multi(sc, RT2870_REG_WCID(wcid),
2317 ni->ni_macaddr, IEEE80211_ADDR_LEN);
2318
2319 rt2870_amrr_node_init(&rvap->amrr, &sc->amrr_node[wcid], ni);
2320
2321 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2322 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2323 device_get_nameunit(sc->dev),
2324 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2325 ni->ni_associd, ni->ni_txrate,
2326 (ni->ni_flags & IEEE80211_NODE_HT) ?
2327 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2328 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2329
2330 rt2870_asic_updateprot(sc);
2331 rt2870_asic_updateslot(sc);
2332 rt2870_asic_set_txpreamble(sc);
2333
2334 RT2870_SOFTC_UNLOCK(sc);
2335 }
2336
2337 /*
2338 * rt2870_updateslot
2339 */
2340 static void rt2870_updateslot(struct ifnet *ifp)
2341 {
2342 struct rt2870_softc *sc;
2343
2344 sc = ifp->if_softc;
2345
2346 rt2870_do_async(sc, rt2870_updateslot_cb, NULL, 0);
2347 }
2348
2349 /*
2350 * rt2870_update_promisc
2351 */
2352 static void rt2870_update_promisc(struct ifnet *ifp)
2353 {
2354 struct rt2870_softc *sc;
2355
2356 sc = ifp->if_softc;
2357
2358 RT2870_SOFTC_LOCK(sc);
2359
2360 rt2870_asic_update_promisc(sc);
2361
2362 RT2870_SOFTC_UNLOCK(sc);
2363 }
2364
2365 /*
2366 * rt2870_update_mcast
2367 */
2368 static void rt2870_update_mcast(struct ifnet *ifp)
2369 {
2370 struct rt2870_softc *sc;
2371
2372 sc = ifp->if_softc;
2373 }
2374
2375 /*
2376 * rt2870_wme_update
2377 */
2378 static int rt2870_wme_update(struct ieee80211com *ic)
2379 {
2380 struct rt2870_softc *sc;
2381 struct ifnet *ifp;
2382
2383 ifp = ic->ic_ifp;
2384 sc = ifp->if_softc;
2385
2386 rt2870_do_async(sc, rt2870_wme_update_cb, NULL, 0);
2387
2388 return 0;
2389 }
2390
2391 /*
2392 * rt2870_raw_xmit
2393 */
2394 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2395 const struct ieee80211_bpf_params *params)
2396 {
2397 struct rt2870_softc *sc;
2398 struct ieee80211com *ic;
2399 struct ifnet *ifp;
2400
2401 ic = ni->ni_ic;
2402 ifp = ic->ic_ifp;
2403 sc = ifp->if_softc;
2404
2405 RT2870_SOFTC_LOCK(sc);
2406
2407 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2408 {
2409 RT2870_SOFTC_UNLOCK(sc);
2410 m_freem(m);
2411 ieee80211_free_node(ni);
2412 return ENETDOWN;
2413 }
2414
2415 if (sc->tx_ring[sc->tx_ring_mgtqid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
2416 {
2417 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
2418 "%s: raw xmit: Tx ring with qid=%d is full\n",
2419 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
2420
2421 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
2422 RT2870_SOFTC_UNLOCK(sc);
2423 m_freem(m);
2424 ieee80211_free_node(ni);
2425 return ENOBUFS;
2426 }
2427
2428 if (rt2870_tx_mgmt(sc, m, ni, sc->tx_ring_mgtqid) != 0)
2429 {
2430 ifp->if_oerrors++;
2431 RT2870_SOFTC_UNLOCK(sc);
2432 ieee80211_free_node(ni);
2433 return EIO;
2434 }
2435
2436 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
2437
2438 RT2870_SOFTC_UNLOCK(sc);
2439
2440 return 0;
2441 }
2442
2443 /*
2444 * rt2870_recv_action
2445 */
2446 static int rt2870_recv_action(struct ieee80211_node *ni,
2447 const struct ieee80211_frame *wh,
2448 const uint8_t *frm, const uint8_t *efrm)
2449 {
2450 struct rt2870_softc *sc;
2451 struct ieee80211com *ic;
2452 struct ifnet *ifp;
2453 const struct ieee80211_action *ia;
2454 uint16_t associd, baparamset;
2455 uint8_t wcid;
2456 int ret, tid;
2457 uint32_t tmp;
2458
2459 ic = ni->ni_ic;
2460 ifp = ic->ic_ifp;
2461 sc = ifp->if_softc;
2462
2463 ia = (const struct ieee80211_action *) frm;
2464
2465 ret = sc->recv_action(ni, wh, frm, efrm);
2466
2467 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2468 return ret;
2469
2470 associd = (ni != NULL) ? ni->ni_associd : 0;
2471 wcid = RT2870_AID2WCID(associd);
2472
2473 switch (ia->ia_action)
2474 {
2475 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2476 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2477 baparamset = LE_READ_2(frm + 3);
2478 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2479
2480 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2481 "%s: adding A-MPDU Rx block ACK: associd=0x%04x, tid=%d\n",
2482 device_get_nameunit(sc->dev), associd, tid);
2483
2484 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2485
2486 tmp |= (0x10000 << tid);
2487
2488 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2489 break;
2490
2491 /* IEEE80211_ACTION_BA_DELBA */
2492 case IEEE80211_ACTION_BA_DELBA:
2493 baparamset = LE_READ_2(frm + 2);
2494 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2495
2496 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2497 "%s: deleting A-MPDU Rx block ACK: associd=0x%04x, tid=%d\n",
2498 device_get_nameunit(sc->dev), associd, tid);
2499
2500 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2501
2502 tmp &= ~(0x10000 << tid);
2503
2504 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2505 break;
2506 }
2507
2508 return ret;
2509 }
2510
2511 /*
2512 * rt2870_send_action
2513 */
2514 static int rt2870_send_action(struct ieee80211_node *ni,
2515 int cat, int act, void *sa)
2516 {
2517 struct rt2870_softc *sc;
2518 struct ieee80211com *ic;
2519 struct ifnet *ifp;
2520 uint16_t associd, *args, baparamset;
2521 uint8_t wcid;
2522 int ret, tid;
2523 uint32_t tmp;
2524
2525 ic = ni->ni_ic;
2526 ifp = ic->ic_ifp;
2527 sc = ifp->if_softc;
2528
2529 ret = sc->send_action(ni, cat, act, sa);
2530
2531 if (cat != IEEE80211_ACTION_CAT_BA)
2532 return ret;
2533
2534 associd = (ni != NULL) ? ni->ni_associd : 0;
2535 wcid = RT2870_AID2WCID(associd);
2536 args = sa;
2537
2538 switch (act)
2539 {
2540 /* IEEE80211_ACTION_BA_DELBA */
2541 case IEEE80211_ACTION_BA_DELBA:
2542 baparamset = RT2870_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2543
2544 if (RT2870_MS(baparamset, IEEE80211_DELBAPS_INIT) == IEEE80211_DELBAPS_INIT)
2545 break;
2546
2547 tid = RT2870_MS(baparamset, IEEE80211_DELBAPS_TID);
2548
2549 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2550 "%s: deleting A-MPDU Rx block ACK: associd=0x%04x, tid=%d\n",
2551 device_get_nameunit(sc->dev), associd, tid);
2552
2553 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2554
2555 tmp &= ~(0x10000 << tid);
2556
2557 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2558 break;
2559 }
2560
2561 return ret;
2562 }
2563
2564 /*
2565 * rt2870_amrr_update_iter_func
2566 */
2567 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2568 {
2569 struct rt2870_softc *sc;
2570 struct ieee80211com *ic;
2571 struct ifnet *ifp;
2572 struct ieee80211vap *vap;
2573 struct rt2870_softc_vap *rvap;
2574 uint8_t wcid;
2575
2576 vap = arg;
2577 ic = vap->iv_ic;
2578 ifp = ic->ic_ifp;
2579 sc = ifp->if_softc;
2580 rvap = (struct rt2870_softc_vap *) vap;
2581
2582 /* only associated stations */
2583
2584 if ((ni->ni_vap == vap) && (ni->ni_associd != 0))
2585 {
2586 wcid = RT2870_AID2WCID(ni->ni_associd);
2587
2588 rt2870_amrr_choose(ni, &sc->amrr_node[wcid]);
2589
2590 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2591 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2592 device_get_nameunit(sc->dev),
2593 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2594 ni->ni_associd, ni->ni_txrate,
2595 (ni->ni_flags & IEEE80211_NODE_HT) ?
2596 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2597 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2598 }
2599 }
2600
2601 /*
2602 * rt2870_periodic
2603 */
2604 static void rt2870_periodic(void *arg)
2605 {
2606 struct rt2870_softc *sc;
2607 struct ifnet *ifp;
2608
2609 sc = arg;
2610 ifp = sc->ifp;
2611
2612 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
2613 "%s: periodic\n",
2614 device_get_nameunit(sc->dev));
2615
2616 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2617 return;
2618
2619 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2620 }
2621
2622 /*
2623 * rt2870_tx_watchdog
2624 */
2625 static void rt2870_tx_watchdog(void *arg)
2626 {
2627 struct rt2870_softc *sc;
2628 struct ifnet *ifp;
2629
2630 sc = arg;
2631 ifp = sc->ifp;
2632
2633 if (sc->tx_timer == 0)
2634 return;
2635
2636 if (--sc->tx_timer == 0)
2637 {
2638 printf("%s: Tx watchdog timeout: resetting\n",
2639 device_get_nameunit(sc->dev));
2640
2641 rt2870_stop_locked(sc);
2642 rt2870_init_locked(sc);
2643
2644 ifp->if_oerrors++;
2645
2646 sc->tx_watchdog_timeouts++;
2647 }
2648
2649 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
2650 }
2651
2652 /*
2653 * rt2870_do_async
2654 */
2655 static int rt2870_do_async(struct rt2870_softc *sc,
2656 void (*cb)(struct rt2870_softc *sc, void *arg),
2657 void *arg, int len)
2658 {
2659 struct ifnet *ifp;
2660 struct rt2870_softc_cmd_ring *ring;
2661 struct rt2870_softc_cmd *cmd;
2662 int run_cmd_task;
2663
2664 ifp = sc->ifp;
2665 ring = &sc->cmd_ring;
2666
2667 RT2870_SOFTC_LOCK(sc);
2668
2669 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2670 {
2671 RT2870_SOFTC_UNLOCK(sc);
2672 return -1;
2673 }
2674
2675 if (ring->queued >= RT2870_SOFTC_CMD_RING_CMD_COUNT)
2676 {
2677 RT2870_SOFTC_UNLOCK(sc);
2678 return -1;
2679 }
2680
2681 cmd = STAILQ_FIRST(&ring->inactive);
2682 STAILQ_REMOVE_HEAD(&ring->inactive, next);
2683
2684 cmd->cb = cb;
2685
2686 if(arg != NULL)
2687 memcpy(cmd->data, arg, len);
2688
2689 STAILQ_INSERT_TAIL(&ring->active, cmd, next);
2690 ring->queued++;
2691
2692 run_cmd_task = (ring->queued == 1);
2693
2694 RT2870_SOFTC_UNLOCK(sc);
2695
2696 if (run_cmd_task)
2697 taskqueue_enqueue(sc->taskqueue, &sc->cmd_task);
2698
2699 return 0;
2700 }
2701
2702 /*
2703 * rt2870_updateslot_cb
2704 */
2705 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg)
2706 {
2707 RT2870_SOFTC_LOCK(sc);
2708
2709 rt2870_asic_updateslot(sc);
2710
2711 RT2870_SOFTC_UNLOCK(sc);
2712 }
2713
2714 /*
2715 * rt2870_wme_update_cb
2716 */
2717 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg)
2718 {
2719 RT2870_SOFTC_LOCK(sc);
2720
2721 rt2870_asic_wme_update(sc);
2722
2723 RT2870_SOFTC_UNLOCK(sc);
2724 }
2725
2726 /*
2727 * rt2870_vap_key_delete_cb
2728 */
2729 static void rt2870_vap_key_delete_cb(struct rt2870_softc *sc, void *arg)
2730 {
2731 struct ieee80211_key *k;
2732 struct rt2870_cmd_argv_keydelete *cmd_argv;
2733 uint16_t associd;
2734 uint8_t vapid, wcid;
2735 uint32_t tmp;
2736
2737 cmd_argv = arg;
2738 k = &cmd_argv->key;
2739 associd = cmd_argv->associd;
2740
2741 RT2870_SOFTC_LOCK(sc);
2742
2743 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2744 {
2745 /* remove pairwise key */
2746
2747 wcid = RT2870_AID2WCID(associd);
2748
2749 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID_ATTR(wcid));
2750
2751 tmp &= ~0xf;
2752 tmp |= (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT);
2753
2754 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2755 }
2756 else
2757 {
2758 /* remove group key */
2759
2760 vapid = 0;
2761
2762 tmp = rt2870_io_mac_read(sc, RT2870_REG_SKEY_MODE(vapid));
2763
2764 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2765 tmp |= (RT2870_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2766
2767 rt2870_io_mac_write(sc, RT2870_REG_SKEY_MODE(vapid), tmp);
2768 }
2769
2770 RT2870_SOFTC_UNLOCK(sc);
2771 }
2772
2773 /*
2774 * rt2870_vap_update_beacon_cb
2775 */
2776 static void rt2870_vap_update_beacon_cb(struct rt2870_softc *sc, void *arg)
2777 {
2778 struct ifnet *ifp;
2779 struct ieee80211com *ic;
2780 struct ieee80211vap *vap;
2781
2782 ifp = sc->ifp;
2783 ic = ifp->if_l2com;
2784 vap = TAILQ_FIRST(&ic->ic_vaps);
2785
2786 if (vap == NULL)
2787 return;
2788
2789 RT2870_SOFTC_LOCK(sc);
2790
2791 rt2870_asic_update_beacon(sc, vap);
2792
2793 RT2870_SOFTC_UNLOCK(sc);
2794 }
2795
2796 /*
2797 * rt2870_asic_set_bssid
2798 */
2799 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
2800 const uint8_t *bssid)
2801 {
2802 uint32_t tmp;
2803
2804 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2805 "%s: set bssid: bssid=%s\n",
2806 device_get_nameunit(sc->dev),
2807 ether_sprintf(bssid));
2808
2809 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2810
2811 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW0, tmp);
2812
2813 tmp = bssid[4] | (bssid[5] << 8);
2814
2815 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW1, tmp);
2816 }
2817
2818 /*
2819 * rt2870_asic_set_macaddr
2820 */
2821 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
2822 const uint8_t *addr)
2823 {
2824 uint32_t tmp;
2825
2826 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2827
2828 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW0, tmp);
2829
2830 tmp = addr[4] | (addr[5] << 8);
2831
2832 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW1, tmp);
2833 }
2834
2835 /*
2836 * rt2870_asic_enable_tsf_sync
2837 */
2838 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc)
2839 {
2840 struct ifnet *ifp;
2841 struct ieee80211com *ic;
2842 struct ieee80211vap *vap;
2843 uint32_t tmp;
2844
2845 ifp = sc->ifp;
2846 ic = ifp->if_l2com;
2847 vap = TAILQ_FIRST(&ic->ic_vaps);
2848
2849 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2850 "%s: enabling TSF\n",
2851 device_get_nameunit(sc->dev));
2852
2853 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
2854
2855 tmp &= ~0x1fffff;
2856 tmp |= vap->iv_bss->ni_intval * 16;
2857 tmp |= (RT2870_REG_TSF_TIMER_ENABLE | RT2870_REG_TBTT_TIMER_ENABLE);
2858
2859 if (vap->iv_opmode == IEEE80211_M_STA)
2860 {
2861 tmp |= (RT2870_REG_TSF_SYNC_MODE_STA << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2862 }
2863 else if (vap->iv_opmode == IEEE80211_M_IBSS)
2864 {
2865 tmp |= RT2870_REG_BCN_TX_ENABLE;
2866 tmp |= (RT2870_REG_TSF_SYNC_MODE_IBSS << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2867 }
2868 else if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2869 {
2870 tmp |= RT2870_REG_BCN_TX_ENABLE;
2871 tmp |= (RT2870_REG_TSF_SYNC_MODE_HOSTAP << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2872 }
2873
2874 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
2875 }
2876
2877 /*
2878 * rt2870_asic_disable_tsf_sync
2879 */
2880 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc)
2881 {
2882 uint32_t tmp;
2883
2884 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2885 "%s: disabling TSF\n",
2886 device_get_nameunit(sc->dev));
2887
2888 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
2889
2890 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
2891 RT2870_REG_TSF_TIMER_ENABLE |
2892 RT2870_REG_TBTT_TIMER_ENABLE);
2893
2894 tmp &= ~(RT2870_REG_TSF_SYNC_MODE_MASK << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2895 tmp |= (RT2870_REG_TSF_SYNC_MODE_DISABLE << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2896
2897 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
2898 }
2899
2900 /*
2901 * rt2870_asic_enable_mrr
2902 */
2903 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc)
2904 {
2905 #define CCK(mcs) (mcs)
2906 #define OFDM(mcs) ((1 << 3) | (mcs))
2907 #define HT(mcs) (mcs)
2908
2909 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG0,
2910 (OFDM(6) << 28) | /* 54 -> 48 */
2911 (OFDM(5) << 24) | /* 48 -> 36 */
2912 (OFDM(4) << 20) | /* 36 -> 24 */
2913 (OFDM(3) << 16) | /* 24 -> 18 */
2914 (OFDM(2) << 12) | /* 18 -> 12 */
2915 (OFDM(1) << 8) | /* 12 -> 9 */
2916 (OFDM(0) << 4) | /* 9 -> 6 */
2917 OFDM(0)); /* 6 -> 6 */
2918
2919 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG1,
2920 (CCK(2) << 12) | /* 11 -> 5.5 */
2921 (CCK(1) << 8) | /* 5.5 -> 2 */
2922 (CCK(0) << 4) | /* 2 -> 1 */
2923 CCK(0)); /* 1 -> 1 */
2924
2925 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG0,
2926 (HT(6) << 28) |
2927 (HT(5) << 24) |
2928 (HT(4) << 20) |
2929 (HT(3) << 16) |
2930 (HT(2) << 12) |
2931 (HT(1) << 8) |
2932 (HT(0) << 4) |
2933 HT(0));
2934
2935 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG1,
2936 (HT(14) << 28) |
2937 (HT(13) << 24) |
2938 (HT(12) << 20) |
2939 (HT(11) << 16) |
2940 (HT(10) << 12) |
2941 (HT(9) << 8) |
2942 (HT(8) << 4) |
2943 HT(8));
2944
2945 #undef HT
2946 #undef OFDM
2947 #undef CCK
2948 }
2949
2950 /*
2951 * rt2870_asic_set_txpreamble
2952 */
2953 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc)
2954 {
2955 struct ifnet *ifp;
2956 struct ieee80211com *ic;
2957 uint32_t tmp;
2958
2959 ifp = sc->ifp;
2960 ic = ifp->if_l2com;
2961
2962 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2963 "%s: %s short Tx preamble\n",
2964 device_get_nameunit(sc->dev),
2965 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
2966
2967 tmp = rt2870_io_mac_read(sc, RT2870_REG_AUTO_RSP_CFG);
2968
2969 tmp &= ~RT2870_REG_CCK_SHORT_ENABLE;
2970
2971 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
2972 tmp |= RT2870_REG_CCK_SHORT_ENABLE;
2973
2974 rt2870_io_mac_write(sc, RT2870_REG_AUTO_RSP_CFG, tmp);
2975 }
2976
2977 /*
2978 * rt2870_asic_set_basicrates
2979 */
2980 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc)
2981 {
2982 struct ifnet *ifp;
2983 struct ieee80211com *ic;
2984
2985 ifp = sc->ifp;
2986 ic = ifp->if_l2com;
2987
2988 if (ic->ic_curmode == IEEE80211_MODE_11B)
2989 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x3);
2990 else if (ic->ic_curmode == IEEE80211_MODE_11A)
2991 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x150);
2992 else
2993 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x15f);
2994 }
2995
2996 /*
2997 * rt2870_asic_update_rtsthreshold
2998 */
2999 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc)
3000 {
3001 struct ifnet *ifp;
3002 struct ieee80211com *ic;
3003 struct ieee80211vap *vap;
3004 uint32_t tmp;
3005 uint16_t threshold;
3006
3007 ifp = sc->ifp;
3008 ic = ifp->if_l2com;
3009 vap = TAILQ_FIRST(&ic->ic_vaps);
3010
3011 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3012 "%s: updating RTS threshold: %d\n",
3013 device_get_nameunit(sc->dev), vap->iv_rtsthreshold);
3014
3015 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_RTS_CFG);
3016
3017 tmp &= ~(RT2870_REG_TX_RTS_THRESHOLD_MASK << RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3018
3019 threshold = (vap->iv_rtsthreshold < IEEE80211_RTS_MAX) ?
3020 vap->iv_rtsthreshold : 0x1000;
3021
3022 tmp |= ((threshold & RT2870_REG_TX_RTS_THRESHOLD_MASK) <<
3023 RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3024
3025 rt2870_io_mac_write(sc, RT2870_REG_TX_RTS_CFG, tmp);
3026 }
3027
3028 /*
3029 * rt2870_asic_update_txpower
3030 */
3031 static void rt2870_asic_update_txpower(struct rt2870_softc *sc)
3032 {
3033 struct ifnet *ifp;
3034 struct ieee80211com *ic;
3035 uint32_t *txpow_rate;
3036 int8_t delta;
3037 uint8_t val;
3038 uint32_t tmp;
3039 int i;
3040
3041 ifp = sc->ifp;
3042 ic = ifp->if_l2com;
3043
3044 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3045 "%s: updating Tx power: %d\n",
3046 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3047
3048 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3049 {
3050 txpow_rate = sc->txpow_rate_20mhz;
3051 }
3052 else
3053 {
3054 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3055 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3056 else
3057 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3058 }
3059
3060 delta = 0;
3061
3062 val = rt2870_io_bbp_read(sc, 1);
3063 val &= 0xfc;
3064
3065 if (ic->ic_txpowlimit > 90)
3066 {
3067 /* do nothing */
3068 }
3069 else if (ic->ic_txpowlimit > 60)
3070 {
3071 delta -= 1;
3072 }
3073 else if (ic->ic_txpowlimit > 30)
3074 {
3075 delta -= 3;
3076 }
3077 else if (ic->ic_txpowlimit > 15)
3078 {
3079 val |= 0x1;
3080 }
3081 else if (ic->ic_txpowlimit > 9)
3082 {
3083 val |= 0x1;
3084 delta -= 3;
3085 }
3086 else
3087 {
3088 val |= 0x2;
3089 }
3090
3091 rt2870_io_bbp_write(sc, 1, val);
3092
3093 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
3094 {
3095 if (txpow_rate[i] == 0xffffffff)
3096 continue;
3097
3098 tmp = rt2870_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3099
3100 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i), tmp);
3101 }
3102 }
3103
3104 /*
3105 * rt2870_asic_update_promisc
3106 */
3107 static void rt2870_asic_update_promisc(struct rt2870_softc *sc)
3108 {
3109 struct ifnet *ifp;
3110 uint32_t tmp;
3111
3112 ifp = sc->ifp;
3113
3114 printf("%s: %s promiscuous mode\n",
3115 device_get_nameunit(sc->dev),
3116 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3117
3118 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_FILTER_CFG);
3119
3120 tmp &= ~RT2870_REG_RX_FILTER_DROP_UC_NOME;
3121
3122 if (!(ifp->if_flags & IFF_PROMISC))
3123 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
3124
3125 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
3126 }
3127
3128 /*
3129 * rt2870_asic_updateprot
3130 */
3131 static void rt2870_asic_updateprot(struct rt2870_softc *sc)
3132 {
3133 struct ifnet *ifp;
3134 struct ieee80211com *ic;
3135 struct ieee80211vap *vap;
3136 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3137 uint8_t htopmode;
3138
3139 ifp = sc->ifp;
3140 ic = ifp->if_l2com;
3141 vap = TAILQ_FIRST(&ic->ic_vaps);
3142
3143 /* CCK frame protection */
3144
3145 cck_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3146 RT2870_REG_TXOP_ALLOW_ALL | RT2870_REG_PROT_CTRL_NONE;
3147
3148 /* set up protection frame phy mode and rate (MCS code) */
3149
3150 if (ic->ic_curmode == IEEE80211_MODE_11A)
3151 cck_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3152 (0 << RT2870_REG_PROT_MCS_SHIFT);
3153 else
3154 cck_prot |= ((RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3155 (3 << RT2870_REG_PROT_MCS_SHIFT));
3156
3157 rt2870_io_mac_write(sc, RT2870_REG_TX_CCK_PROT_CFG, cck_prot);
3158
3159 /* OFDM frame protection */
3160
3161 ofdm_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3162 RT2870_REG_TXOP_ALLOW_ALL;
3163
3164 if (ic->ic_flags & IEEE80211_F_USEPROT)
3165 {
3166 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3167 "%s: updating protection mode: b/g protection mode=%s\n",
3168 device_get_nameunit(sc->dev),
3169 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3170 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3171
3172 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3173 ofdm_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3174 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3175 ofdm_prot |= RT2870_REG_PROT_CTRL_CTS;
3176 else
3177 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3178 }
3179 else
3180 {
3181 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3182 "%s: updating protection mode: b/g protection mode=%s\n",
3183 device_get_nameunit(sc->dev), "none");
3184
3185 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3186 }
3187
3188 rt2870_io_mac_write(sc, RT2870_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3189
3190 /* HT frame protection */
3191
3192 if ((vap->iv_opmode == IEEE80211_M_STA) && (vap->iv_state == IEEE80211_S_RUN))
3193 htopmode = vap->iv_bss->ni_htopmode;
3194 else
3195 htopmode = ic->ic_curhtprotmode;
3196
3197 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3198 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3199 device_get_nameunit(sc->dev),
3200 htopmode & IEEE80211_HTINFO_OPMODE,
3201 (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3202 ((ic->ic_htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3203
3204 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3205 {
3206 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3207 case IEEE80211_HTINFO_OPMODE_HT20PR:
3208 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3209 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3210 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3211 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3212 (4 << RT2870_REG_PROT_MCS_SHIFT);
3213
3214 gf20_prot = mm20_prot;
3215
3216 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3217 RT2870_REG_TXOP_ALLOW_ALL |
3218 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3219 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3220
3221 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
3222 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3223 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
3224 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3225 else
3226 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3227
3228 gf40_prot = mm40_prot;
3229 break;
3230
3231 /* IEEE80211_HTINFO_OPMODE_MIXED */
3232 case IEEE80211_HTINFO_OPMODE_MIXED:
3233 mm20_prot = RT2870_REG_PROT_NAV_SHORT |
3234 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3235 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20;
3236
3237 if (ic->ic_flags & IEEE80211_F_USEPROT)
3238 mm20_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3239 (3 << RT2870_REG_PROT_MCS_SHIFT);
3240 else
3241 mm20_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3242 (4 << RT2870_REG_PROT_MCS_SHIFT);
3243
3244 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
3245 mm20_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3246 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
3247 mm20_prot |= RT2870_REG_PROT_CTRL_CTS;
3248 else
3249 mm20_prot |= RT2870_REG_PROT_CTRL_NONE;
3250
3251 gf20_prot = mm20_prot;
3252
3253 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_TXOP_ALLOW_ALL;
3254
3255 if (ic->ic_flags & IEEE80211_F_USEPROT)
3256 mm40_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3257 (3 << RT2870_REG_PROT_MCS_SHIFT);
3258 else
3259 mm40_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3260 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3261
3262 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
3263 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3264 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
3265 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3266 else
3267 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3268
3269 gf40_prot = mm40_prot;
3270 break;
3271
3272 /*
3273 * IEEE80211_HTINFO_OPMODE_PURE
3274 * IEEE80211_HTINFO_OPMODE_PROTOPT
3275 */
3276 case IEEE80211_HTINFO_OPMODE_PURE:
3277 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3278 default:
3279 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3280 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3281 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3282 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3283 (4 << RT2870_REG_PROT_MCS_SHIFT);
3284
3285 gf20_prot = mm20_prot;
3286
3287 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3288 RT2870_REG_TXOP_ALLOW_ALL |
3289 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3290 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3291
3292 gf40_prot = mm40_prot;
3293 break;
3294 }
3295
3296 rt2870_io_mac_write(sc, RT2870_REG_TX_MM20_PROT_CFG, mm20_prot);
3297 rt2870_io_mac_write(sc, RT2870_REG_TX_MM40_PROT_CFG, mm40_prot);
3298 rt2870_io_mac_write(sc, RT2870_REG_TX_GF20_PROT_CFG, gf20_prot);
3299 rt2870_io_mac_write(sc, RT2870_REG_TX_GF40_PROT_CFG, gf40_prot);
3300 }
3301
3302 /*
3303 * rt2870_asic_updateslot
3304 */
3305 static void rt2870_asic_updateslot(struct rt2870_softc *sc)
3306 {
3307 struct ifnet *ifp;
3308 struct ieee80211com *ic;
3309 uint32_t tmp;
3310
3311 ifp = sc->ifp;
3312 ic = ifp->if_l2com;
3313
3314 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3315 "%s: %s short slot time\n",
3316 device_get_nameunit(sc->dev),
3317 (ic->ic_flags & IEEE80211_F_SHSLOT) ? "enabling" : "disabling");
3318
3319 tmp = rt2870_io_mac_read(sc, RT2870_REG_BKOFF_SLOT_CFG);
3320
3321 tmp &= ~0xff;
3322 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
3323
3324 rt2870_io_mac_write(sc, RT2870_REG_BKOFF_SLOT_CFG, tmp);
3325 }
3326
3327 /*
3328 * rt2870_asic_wme_update
3329 */
3330 static void rt2870_asic_wme_update(struct rt2870_softc *sc)
3331 {
3332 struct ifnet *ifp;
3333 struct ieee80211com *ic;
3334 struct ieee80211_wme_state *wme;
3335 const struct wmeParams *wmep;
3336 int i;
3337
3338 ifp = sc->ifp;
3339 ic = ifp->if_l2com;
3340 wme = &ic->ic_wme;
3341 wmep = wme->wme_chanParams.cap_wmeParams;
3342
3343 RT2870_DPRINTF(sc, RT2870_DEBUG_WME,
3344 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3345 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3346 device_get_nameunit(sc->dev),
3347 wmep[WME_AC_VO].wmep_aifsn,
3348 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3349 wmep[WME_AC_VO].wmep_txopLimit,
3350 wmep[WME_AC_VI].wmep_aifsn,
3351 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3352 wmep[WME_AC_VI].wmep_txopLimit,
3353 wmep[WME_AC_BK].wmep_aifsn,
3354 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3355 wmep[WME_AC_BK].wmep_txopLimit,
3356 wmep[WME_AC_BE].wmep_aifsn,
3357 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3358 wmep[WME_AC_BE].wmep_txopLimit);
3359
3360 for (i = 0; i < WME_NUM_AC; i++)
3361 rt2870_io_mac_write(sc, RT2870_REG_TX_EDCA_AC_CFG(i),
3362 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3363 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3364
3365 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_AIFSN_CFG,
3366 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3367 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3368
3369 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMIN_CFG,
3370 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3371 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3372
3373 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMAX_CFG,
3374 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3375 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3376
3377 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG,
3378 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3379
3380 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
3381 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3382 }
3383
3384 /*
3385 * rt2870_asic_update_beacon
3386 */
3387 static int rt2870_asic_update_beacon(struct rt2870_softc *sc,
3388 struct ieee80211vap *vap)
3389 {
3390 struct ifnet *ifp;
3391 struct ieee80211com *ic;
3392 struct rt2870_softc_vap *rvap;
3393 const struct ieee80211_txparam *tp;
3394 struct mbuf *m;
3395 struct rt2870_txwi txwi;
3396 uint8_t rate, mcs;
3397 uint32_t tmp;
3398
3399 ifp = sc->ifp;
3400 ic = ifp->if_l2com;
3401 rvap = (struct rt2870_softc_vap *) vap;
3402 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_bsschan)];
3403
3404 m = ieee80211_beacon_alloc(vap->iv_bss, &rvap->beacon_offsets);
3405 if (m == NULL)
3406 return ENOMEM;
3407
3408 rate = tp->mgmtrate;
3409 mcs = rt2870_rate2mcs(rate);
3410
3411 memset(&txwi, 0, sizeof(struct rt2870_txwi));
3412
3413 txwi.wcid = 0xff;
3414 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2870_TXWI_MPDU_LEN_MASK) <<
3415 RT2870_TXWI_MPDU_LEN_SHIFT);
3416 txwi.txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
3417 txwi.mpdu_density_flags |=
3418 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
3419 txwi.bawin_size_xflags |=
3420 (RT2870_TXWI_XFLAGS_NSEQ << RT2870_TXWI_XFLAGS_SHIFT);
3421
3422 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3423 {
3424 txwi.phymode_ifs_stbc_shortgi =
3425 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
3426
3427 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3428 mcs |= RT2870_TXWI_MCS_SHOTPRE;
3429 }
3430 else
3431 {
3432 txwi.phymode_ifs_stbc_shortgi =
3433 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
3434 }
3435
3436 txwi.bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
3437 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
3438
3439 /* disable temporarily TSF sync */
3440
3441 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3442
3443 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3444 RT2870_REG_TSF_TIMER_ENABLE |
3445 RT2870_REG_TBTT_TIMER_ENABLE);
3446
3447 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3448
3449 /* write Tx wireless info and beacon frame to on-chip memory */
3450
3451 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0),
3452 &txwi, sizeof(struct rt2870_txwi));
3453
3454 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0) + sizeof(struct rt2870_txwi),
3455 mtod(m, uint8_t *), m->m_pkthdr.len);
3456
3457 /* enable again TSF sync */
3458
3459 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3460
3461 tmp |= (RT2870_REG_BCN_TX_ENABLE |
3462 RT2870_REG_TSF_TIMER_ENABLE |
3463 RT2870_REG_TBTT_TIMER_ENABLE);
3464
3465 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3466
3467 m_freem(m);
3468
3469 return 0;
3470 }
3471
3472 /*
3473 * rt2870_asic_clear_keytables
3474 */
3475 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc)
3476 {
3477 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3478
3479 rt2870_io_mac_set_region_4(sc, RT2870_REG_WCID(0), 0, 2 * 256);
3480
3481 /* clear WCID attribute table (entries = 256, entry size = 4) */
3482
3483 rt2870_io_mac_set_region_4(sc, RT2870_REG_WCID_ATTR(0), 0, 256);
3484
3485 /* clear IV/EIV table (entries = 256, entry size = 8) */
3486
3487 rt2870_io_mac_set_region_4(sc, RT2870_REG_IVEIV(0), 0, 2 * 256);
3488
3489 /* clear pairwise key table (entries = 256, entry size = 32) */
3490
3491 rt2870_io_mac_set_region_4(sc, RT2870_REG_PKEY(0), 0, 8 * 256);
3492
3493 /* clear shared key table (entries = 32, entry size = 32) */
3494
3495 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY(0, 0), 0, 8 * 32);
3496
3497 /* clear shared key mode (entries = 32, entry size = 2) */
3498
3499 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY_MODE(0), 0, 16);
3500 }
3501
3502 /*
3503 * rt2870_rxrate
3504 */
3505 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi)
3506 {
3507 uint8_t mcs, phymode;
3508 uint8_t rate;
3509
3510 mcs = (rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK;
3511 phymode = (rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3512 RT2870_RXWI_PHYMODE_MASK;
3513
3514 rate = 2;
3515
3516 switch (phymode)
3517 {
3518 case RT2870_RXWI_PHYMODE_CCK:
3519 switch (mcs & ~RT2870_RXWI_MCS_SHOTPRE)
3520 {
3521 case 0: rate = 2; break; /* 1 Mbps */
3522 case 1: rate = 4; break; /* 2 MBps */
3523 case 2: rate = 11; break; /* 5.5 Mbps */
3524 case 3: rate = 22; break; /* 11 Mbps */
3525 }
3526 break;
3527
3528 case RT2870_RXWI_PHYMODE_OFDM:
3529 switch (mcs)
3530 {
3531 case 0: rate = 12; break; /* 6 Mbps */
3532 case 1: rate = 18; break; /* 9 Mbps */
3533 case 2: rate = 24; break; /* 12 Mbps */
3534 case 3: rate = 36; break; /* 18 Mbps */
3535 case 4: rate = 48; break; /* 24 Mbps */
3536 case 5: rate = 72; break; /* 36 Mbps */
3537 case 6: rate = 96; break; /* 48 Mbps */
3538 case 7: rate = 108; break; /* 54 Mbps */
3539 }
3540 break;
3541
3542 case RT2870_RXWI_PHYMODE_HT_MIXED:
3543 case RT2870_RXWI_PHYMODE_HT_GF:
3544 break;
3545 }
3546
3547 return rate;
3548 }
3549
3550 /*
3551 * rt2870_maxrssi_rxpath
3552 */
3553 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
3554 const struct rt2870_rxwi *rxwi)
3555 {
3556 uint8_t rxpath;
3557
3558 rxpath = 0;
3559
3560 if (sc->nrxpath > 1)
3561 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3562 rxpath = 1;
3563
3564 if (sc->nrxpath > 2)
3565 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3566 rxpath = 2;
3567
3568 return rxpath;
3569 }
3570
3571 /*
3572 * rt2870_rssi2dbm
3573 */
3574 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
3575 uint8_t rssi, uint8_t rxpath)
3576 {
3577 struct ifnet *ifp;
3578 struct ieee80211com *ic;
3579 struct ieee80211_channel *c;
3580 int chan, delta;
3581
3582 ifp = sc->ifp;
3583 ic = ifp->if_l2com;
3584 c = ic->ic_curchan;
3585 chan = ieee80211_chan2ieee(ic, c);
3586
3587 if (IEEE80211_IS_CHAN_5GHZ(c))
3588 {
3589 delta = sc->rssi_off_5ghz[rxpath];
3590
3591 if (chan <= 64)
3592 delta -= sc->lna_gain[1];
3593 else if (chan <= 128)
3594 delta -= sc->lna_gain[2];
3595 else
3596 delta -= sc->lna_gain[3];
3597 }
3598 else
3599 {
3600 delta = sc->rssi_off_2ghz[rxpath] - sc->lna_gain[0];
3601 }
3602
3603 return (-12 - delta - rssi);
3604 }
3605
3606 /*
3607 * rt2870_rate2mcs
3608 */
3609 static uint8_t rt2870_rate2mcs(uint8_t rate)
3610 {
3611 switch (rate)
3612 {
3613 /* CCK rates */
3614 case 2: return 0;
3615 case 4: return 1;
3616 case 11: return 2;
3617 case 22: return 3;
3618
3619 /* OFDM rates */
3620 case 12: return 0;
3621 case 18: return 1;
3622 case 24: return 2;
3623 case 36: return 3;
3624 case 48: return 4;
3625 case 72: return 5;
3626 case 96: return 6;
3627 case 108: return 7;
3628 }
3629
3630 return 0;
3631 }
3632
3633 /*
3634 * rt2870_rx_frame
3635 */
3636 static void rt2870_rx_frame(struct rt2870_softc *sc,
3637 uint8_t *buf, uint32_t dmalen)
3638 {
3639 struct ifnet *ifp;
3640 struct ieee80211com *ic;
3641 struct ieee80211_frame *wh;
3642 struct ieee80211_node *ni;
3643 struct rt2870_softc_rx_radiotap_header *tap;
3644 struct rt2870_rxwi *rxwi;
3645 struct rt2870_rxinfo *rxinfo;
3646 struct mbuf *m;
3647 uint32_t rxinfo_flags;
3648 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
3649 int8_t rssi_dbm;
3650 int len, ampdu, amsdu;
3651
3652 ifp = sc->ifp;
3653 ic = ifp->if_l2com;
3654
3655 /* get Rx wireless info */
3656
3657 rxwi = (struct rt2870_rxwi *) buf;
3658 len = (le16toh(rxwi->tid_size) >> RT2870_RXWI_SIZE_SHIFT) &
3659 RT2870_RXWI_SIZE_MASK;
3660
3661 if (len > dmalen)
3662 {
3663 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3664 "%s: bad rxwi len: DMA len=%d, rxwi len=%d\n",
3665 device_get_nameunit(sc->dev), dmalen, len);
3666 return;
3667 }
3668
3669 /* get Rx info */
3670
3671 rxinfo = (struct rt2870_rxinfo *) ((caddr_t) rxwi + dmalen);
3672 rxinfo_flags = le32toh(rxinfo->flags);
3673
3674 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3675 "%s: Rx frame: DMA len=%d, len=%d, rxinfo flags=0x%08x\n",
3676 device_get_nameunit(sc->dev), dmalen, len, rxinfo_flags);
3677
3678 /* check for crc errors */
3679
3680 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
3681 {
3682 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3683 "%s: rxinfo: crc error\n",
3684 device_get_nameunit(sc->dev));
3685
3686 ifp->if_ierrors++;
3687
3688 if (!(ifp->if_flags & IFF_PROMISC))
3689 return;
3690 }
3691
3692 wh = (struct ieee80211_frame *) (rxwi + 1);
3693
3694 /* check for L2 padding between IEEE 802.11 frame header and body */
3695
3696 if (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD)
3697 {
3698 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3699 "%s: L2 padding: DMA len=%d, len=%d\n",
3700 device_get_nameunit(sc->dev), dmalen, len);
3701
3702 len += 2;
3703 }
3704
3705 m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
3706 if (m == NULL)
3707 {
3708 sc->rx_mbuf_alloc_errors++;
3709 ifp->if_ierrors++;
3710 return;
3711 }
3712
3713 m->m_pkthdr.rcvif = ifp;
3714 m->m_pkthdr.len = m->m_len = len;
3715
3716 m_copyback(m, 0, len, (caddr_t) wh);
3717
3718 wh = mtod(m, struct ieee80211_frame *);
3719
3720 /* check for cipher errors */
3721
3722 if (rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED)
3723 {
3724 cipher_err = ((rxinfo_flags >> RT2870_RXINFO_FLAGS_CIPHER_ERR_SHIFT) &
3725 RT2870_RXINFO_FLAGS_CIPHER_ERR_MASK);
3726 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_NONE)
3727 {
3728 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3729 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3730
3731 m->m_flags |= M_WEP;
3732 }
3733 else
3734 {
3735 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3736 "%s: rxinfo: cipher error=0x%02x\n",
3737 device_get_nameunit(sc->dev), cipher_err);
3738
3739 ifp->if_ierrors++;
3740
3741 if (!(ifp->if_flags & IFF_PROMISC))
3742 {
3743 m_free(m);
3744 return;
3745 }
3746 }
3747 }
3748 else
3749 {
3750 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3751 {
3752 ifp->if_ierrors++;
3753
3754 if (!(ifp->if_flags & IFF_PROMISC))
3755 {
3756 m_free(m);
3757 return;
3758 }
3759 }
3760 }
3761
3762 /* check for A-MPDU */
3763
3764 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMPDU)
3765 {
3766 m->m_flags |= M_AMPDU;
3767 ampdu = 1;
3768 }
3769 else
3770 {
3771 ampdu = 0;
3772 }
3773
3774 ant = rt2870_maxrssi_rxpath(sc, rxwi);
3775 rssi = rxwi->rssi[ant];
3776 rssi_dbm = rt2870_rssi2dbm(sc, rssi, ant);
3777 phymode = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3778 RT2870_RXWI_PHYMODE_MASK);
3779 bw = ((rxwi->bw_mcs >> RT2870_RXWI_BW_SHIFT) & RT2870_RXWI_BW_MASK);
3780 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_SHORTGI_SHIFT) &
3781 RT2870_RXWI_SHORTGI_MASK);
3782 mcs = ((rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK);
3783 amsdu = (rxinfo_flags & RT2870_RXINFO_FLAGS_AMSDU);
3784
3785 if (ieee80211_radiotap_active(ic))
3786 {
3787 tap = &sc->rxtap;
3788
3789 tap->flags = (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD) ? IEEE80211_RADIOTAP_F_DATAPAD : 0;
3790 tap->dbm_antsignal = rssi_dbm;
3791 tap->dbm_antnoise = RT2870_NOISE_FLOOR;
3792 tap->antenna = ant;
3793 tap->antsignal = rssi;
3794 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3795 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3796 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3797 tap->chan_maxpow = 0;
3798
3799 if (phymode == RT2870_RXWI_PHYMODE_CCK || phymode == RT2870_RXWI_PHYMODE_OFDM)
3800 tap->rate = rt2870_rxrate(rxwi);
3801 else
3802 tap->rate = mcs | IEEE80211_RATE_MCS;
3803
3804 if (rxwi->bw_mcs & RT2870_RXWI_MCS_SHOTPRE)
3805 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3806
3807 if (shortgi)
3808 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3809 }
3810
3811 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3812 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
3813 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d\n",
3814 device_get_nameunit(sc->dev),
3815 len, phymode, bw, shortgi, mcs,
3816 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
3817 rxwi->snr[0], rxwi->snr[1],
3818 rxwi->wcid, ampdu, amsdu);
3819
3820 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
3821 if (ni != NULL)
3822 {
3823 ieee80211_input(ni, m, rssi_dbm - RT2870_NOISE_FLOOR, RT2870_NOISE_FLOOR);
3824 ieee80211_free_node(ni);
3825 }
3826 else
3827 {
3828 ieee80211_input_all(ic, m, rssi_dbm - RT2870_NOISE_FLOOR, RT2870_NOISE_FLOOR);
3829 }
3830 }
3831
3832 /*
3833 * rt2870_tx_mgmt
3834 */
3835 static int rt2870_tx_mgmt(struct rt2870_softc *sc,
3836 struct mbuf *m, struct ieee80211_node *ni, int qid)
3837 {
3838 struct ifnet *ifp;
3839 struct ieee80211com *ic;
3840 struct ieee80211vap *vap;
3841 const struct ieee80211_txparam *tp;
3842 struct rt2870_softc_node *rni;
3843 struct rt2870_softc_tx_ring *ring;
3844 struct rt2870_softc_tx_data *data;
3845 struct rt2870_txinfo *txinfo;
3846 struct rt2870_txwi *txwi;
3847 struct ieee80211_frame *wh;
3848 struct rt2870_softc_tx_radiotap_header *tap;
3849 u_int hdrsize, hdrspace;
3850 uint8_t rate, stbc, shortgi, mcs, pid;
3851 uint16_t len, dmalen, mpdu_len, dur;
3852
3853 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
3854 ("%s: Tx MGMT: invalid qid=%d\n",
3855 device_get_nameunit(sc->dev), qid));
3856
3857 ifp = sc->ifp;
3858 ic = ifp->if_l2com;
3859 vap = ni->ni_vap;
3860 rni = (struct rt2870_softc_node *) ni;
3861 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)];
3862
3863 ring = &sc->tx_ring[qid];
3864 data = STAILQ_FIRST(&ring->inactive);
3865 STAILQ_REMOVE_HEAD(&ring->inactive, next);
3866 txinfo = (struct rt2870_txinfo *) data->buf;
3867 txwi = (struct rt2870_txwi *) (txinfo + 1);
3868
3869 wh = mtod(m, struct ieee80211_frame *);
3870
3871 rate = tp->mgmtrate & IEEE80211_RATE_VAL;
3872
3873 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
3874
3875 /* align end on a 4-bytes boundary */
3876
3877 dmalen = (len + 3) & ~3;
3878
3879 /* fill Tx info */
3880
3881 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
3882
3883 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
3884
3885 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
3886
3887 dmalen += 4;
3888
3889 memset((caddr_t) txinfo + len, 0, dmalen - len);
3890
3891 /* fill Tx wireless info */
3892
3893 if (ni->ni_flags & IEEE80211_NODE_HT)
3894 mcs = rate;
3895 else
3896 mcs = rt2870_rate2mcs(rate);
3897
3898 pid = mcs + 1;
3899
3900 /* calculate MPDU length without padding */
3901
3902 hdrsize = ieee80211_hdrsize(wh);
3903 hdrspace = ieee80211_hdrspace(ic, wh);
3904 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
3905
3906 memset(txwi, 0, sizeof(struct rt2870_txwi));
3907
3908 /* management frames do not need encryption */
3909
3910 txwi->wcid = 0xff;
3911
3912 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
3913 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
3914 RT2870_TXWI_MPDU_LEN_SHIFT);
3915
3916 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
3917
3918 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
3919 (ni->ni_flags & IEEE80211_NODE_HT);
3920
3921 txwi->phymode_ifs_stbc_shortgi |=
3922 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
3923 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
3924
3925 txwi->phymode_ifs_stbc_shortgi |=
3926 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
3927
3928 if (ni->ni_flags & IEEE80211_NODE_HT)
3929 {
3930 txwi->phymode_ifs_stbc_shortgi |=
3931 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
3932 }
3933 else
3934 {
3935 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
3936 {
3937 txwi->phymode_ifs_stbc_shortgi |=
3938 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
3939
3940 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3941 mcs |= RT2870_TXWI_MCS_SHOTPRE;
3942 }
3943 else
3944 {
3945 txwi->phymode_ifs_stbc_shortgi |=
3946 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
3947 }
3948 }
3949
3950 txwi->bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
3951 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
3952
3953 txwi->txop = (RT2870_TXWI_TXOP_BACKOFF << RT2870_TXWI_TXOP_SHIFT);
3954
3955 /* skip ACKs for multicast frames and probe responses */
3956
3957 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
3958 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) !=
3959 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)))
3960 {
3961 txwi->bawin_size_xflags |=
3962 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
3963
3964 if (ni->ni_flags & IEEE80211_NODE_HT)
3965 {
3966 /* preamble + plcp + signal extension */
3967
3968 dur = 16 + 4 + 6;
3969 }
3970 else
3971 {
3972 dur = ieee80211_ack_duration(ic->ic_rt, rate,
3973 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
3974 }
3975
3976 *(uint16_t *) wh->i_dur = htole16(dur);
3977 }
3978
3979 /* ask MAC to insert timestamp into probe responses */
3980
3981 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
3982 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
3983 txwi->mpdu_density_flags |=
3984 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
3985
3986 if (ieee80211_radiotap_active_vap(vap))
3987 {
3988 tap = &sc->txtap;
3989
3990 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
3991 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3992 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3993 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3994 tap->chan_maxpow = 0;
3995
3996 if (ni->ni_flags & IEEE80211_NODE_HT)
3997 tap->rate = mcs | IEEE80211_RATE_MCS;
3998 else
3999 tap->rate = rate;
4000
4001 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4002 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4003
4004 if (shortgi)
4005 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4006
4007 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4008 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4009
4010 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4011 {
4012 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4013
4014 ieee80211_radiotap_tx(vap, m);
4015
4016 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4017 }
4018 else
4019 {
4020 ieee80211_radiotap_tx(vap, m);
4021 }
4022 }
4023
4024 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4025
4026 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4027 "%s: sending MGMT frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4028 "stbc=%d, shortgi=%d, mcs=%d, DMA len=%d\n",
4029 device_get_nameunit(sc->dev),
4030 qid, hdrsize, hdrspace, m->m_pkthdr.len, stbc, shortgi, mcs, dmalen);
4031
4032 data->len = dmalen;
4033 data->m = m;
4034 data->ni = ni;
4035
4036 STAILQ_INSERT_TAIL(&ring->pending, data, next);
4037 ring->queued++;
4038
4039 usbd_transfer_start(sc->usb_xfer[1 + qid]);
4040
4041 return 0;
4042 }
4043
4044 /*
4045 * rt2870_tx_data
4046 */
4047 static int rt2870_tx_data(struct rt2870_softc *sc,
4048 struct mbuf *m, struct ieee80211_node *ni, int qid)
4049 {
4050 struct ifnet *ifp;
4051 struct ieee80211com *ic;
4052 struct ieee80211vap *vap;
4053 const struct ieee80211_txparam *tp;
4054 struct rt2870_softc_node *rni;
4055 struct rt2870_softc_tx_ring *ring;
4056 struct rt2870_softc_tx_data *data;
4057 struct rt2870_txinfo *txinfo;
4058 struct rt2870_txwi *txwi;
4059 struct ieee80211_frame *wh;
4060 struct rt2870_softc_tx_radiotap_header *tap;
4061 u_int hdrsize, hdrspace;
4062 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid;
4063 uint16_t qos, len, dmalen, mpdu_len, dur;
4064 int hasqos;
4065
4066 KASSERT(qid >= 0 && qid < (sc->usb_endpoints - 1),
4067 ("%s: Tx data: invalid qid=%d\n",
4068 device_get_nameunit(sc->dev), qid));
4069
4070 ifp = sc->ifp;
4071 ic = ifp->if_l2com;
4072 vap = ni->ni_vap;
4073 rni = (struct rt2870_softc_node *) ni;
4074 tp = &vap->iv_txparms[ieee80211_chan2mode(ni->ni_chan)];
4075
4076 ring = &sc->tx_ring[qid];
4077 data = STAILQ_FIRST(&ring->inactive);
4078 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4079 txinfo = (struct rt2870_txinfo *) data->buf;
4080 txwi = (struct rt2870_txwi *) (txinfo + 1);
4081
4082 wh = mtod(m, struct ieee80211_frame *);
4083
4084 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4085
4086 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4087 if (hasqos)
4088 {
4089 if (IEEE80211_HAS_ADDR4(wh))
4090 qos = le16toh(*(const uint16_t *)
4091 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4092 else
4093 qos = le16toh(*(const uint16_t *)
4094 (((struct ieee80211_qosframe *) wh)->i_qos));
4095 }
4096 else
4097 {
4098 qos = 0;
4099 }
4100
4101 if (IEEE80211_IS_MULTICAST(wh->i_addr1))
4102 rate = tp->mcastrate;
4103 else if (m->m_flags & M_EAPOL)
4104 rate = tp->mgmtrate;
4105 else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
4106 rate = tp->ucastrate;
4107 else
4108 rate = ni->ni_txrate;
4109
4110 rate &= IEEE80211_RATE_VAL;
4111
4112 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4113
4114 /* align end on a 4-bytes boundary */
4115
4116 dmalen = (len + 3) & ~3;
4117
4118 /* fill Tx info */
4119
4120 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4121
4122 txinfo->len = htole16(dmalen - sizeof(struct rt2870_txinfo));
4123
4124 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4125
4126 dmalen += 4;
4127
4128 memset((caddr_t) txinfo + len, 0, dmalen - len);
4129
4130 /* fill Tx wireless info */
4131
4132 if (ni->ni_flags & IEEE80211_NODE_HT)
4133 mcs = rate;
4134 else
4135 mcs = rt2870_rate2mcs(rate);
4136
4137 pid = mcs + 1;
4138
4139 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
4140 RT2870_AID2WCID(ni->ni_associd) : 0xff;
4141
4142 /* calculate MPDU length without padding */
4143
4144 hdrsize = ieee80211_hdrsize(wh);
4145 hdrspace = ieee80211_hdrspace(ic, wh);
4146 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4147
4148 memset(txwi, 0, sizeof(struct rt2870_txwi));
4149
4150 txwi->wcid = wcid;
4151
4152 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4153 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4154 RT2870_TXWI_MPDU_LEN_SHIFT);
4155
4156 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
4157
4158 shortgi = (vap->iv_flags_ht & (IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40)) &&
4159 (ni->ni_flags & IEEE80211_NODE_HT);
4160
4161 txwi->phymode_ifs_stbc_shortgi |=
4162 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4163 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4164
4165 if (ni->ni_flags & IEEE80211_NODE_HT)
4166 {
4167 txwi->phymode_ifs_stbc_shortgi |=
4168 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4169 }
4170 else
4171 {
4172 if (ieee80211_rate2phytype(ic->ic_rt, rate) != IEEE80211_T_OFDM)
4173 {
4174 txwi->phymode_ifs_stbc_shortgi |=
4175 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4176
4177 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4178 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4179 }
4180 else
4181 {
4182 txwi->phymode_ifs_stbc_shortgi |=
4183 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4184 }
4185 }
4186
4187 if ((ni->ni_flags & IEEE80211_NODE_HT) &&
4188 (ni->ni_htcap & IEEE80211_HTCAP_CHWIDTH40))
4189 bw = RT2870_TXWI_BW_40;
4190 else
4191 bw = RT2870_TXWI_BW_20;
4192
4193 txwi->bw_mcs = ((bw & RT2870_TXWI_BW_MASK) << RT2870_TXWI_BW_SHIFT) |
4194 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4195
4196 txwi->txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
4197
4198 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4199 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4200 {
4201 txwi->bawin_size_xflags |=
4202 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4203
4204 if (ni->ni_flags & IEEE80211_NODE_HT)
4205 {
4206 /* preamble + plcp + signal extension */
4207
4208 dur = 16 + 4 + 6;
4209 }
4210 else
4211 {
4212 dur = ieee80211_ack_duration(ic->ic_rt, rate,
4213 ic->ic_flags & IEEE80211_F_SHPREAMBLE);
4214 }
4215
4216 *(uint16_t *) wh->i_dur = htole16(dur);
4217 }
4218
4219 /* ask MAC to insert timestamp into probe responses */
4220
4221 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4222 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4223 txwi->mpdu_density_flags |=
4224 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4225
4226 if (ieee80211_radiotap_active_vap(vap))
4227 {
4228 tap = &sc->txtap;
4229
4230 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4231 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4232 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4233 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4234 tap->chan_maxpow = 0;
4235
4236 if (ni->ni_flags & IEEE80211_NODE_HT)
4237 tap->rate = mcs | IEEE80211_RATE_MCS;
4238 else
4239 tap->rate = rate;
4240
4241 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4242 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4243
4244 if (shortgi)
4245 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4246
4247 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4248 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4249
4250 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4251 {
4252 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4253
4254 ieee80211_radiotap_tx(vap, m);
4255
4256 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4257 }
4258 else
4259 {
4260 ieee80211_radiotap_tx(vap, m);
4261 }
4262 }
4263
4264 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4265
4266 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4267 "%s: sending data: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4268 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, DMA len=%d\n",
4269 device_get_nameunit(sc->dev),
4270 qid, hdrsize, hdrspace, m->m_pkthdr.len,
4271 bw, stbc, shortgi, mcs, wcid, dmalen);
4272
4273 data->len = dmalen;
4274 data->m = m;
4275 data->ni = ni;
4276
4277 STAILQ_INSERT_TAIL(&ring->pending, data, next);
4278 ring->queued++;
4279
4280 usbd_transfer_start(sc->usb_xfer[1 + qid]);
4281
4282 return 0;
4283 }
4284
4285 /*
4286 * rt2870_tx_raw
4287 */
4288 static int rt2870_tx_raw(struct rt2870_softc *sc,
4289 struct mbuf *m, struct ieee80211_node *ni,
4290 const struct ieee80211_bpf_params *params)
4291 {
4292 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4293 "%s: Tx raw\n",
4294 device_get_nameunit(sc->dev));
4295
4296 return 0;
4297 }
4298
4299 /*
4300 * rt2870_rx_intr
4301 */
4302 static void rt2870_rx_intr(struct usb_xfer *xfer, usb_error_t error)
4303 {
4304 struct rt2870_softc *sc;
4305 struct ifnet *ifp;
4306 struct rt2870_softc_rx_ring *ring;
4307 struct rt2870_softc_rx_data *data;
4308 int len;
4309
4310 sc = usbd_xfer_softc(xfer);
4311 ifp = sc->ifp;
4312 ring = &sc->rx_ring;
4313
4314 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4315 "%s: Rx interrupt: state=%d, error=%s\n",
4316 device_get_nameunit(sc->dev),
4317 USB_GET_STATE(xfer), usbd_errstr(error));
4318
4319 switch (USB_GET_STATE(xfer))
4320 {
4321 case USB_ST_TRANSFERRED:
4322 sc->interrupts++;
4323 sc->rx_interrupts++;
4324
4325 data = STAILQ_FIRST(&ring->active);
4326 if (data == NULL)
4327 goto setup;
4328
4329 STAILQ_REMOVE_HEAD(&ring->active, next);
4330
4331 usbd_xfer_status(xfer, &len, NULL, NULL, NULL);
4332
4333 data->len = len;
4334
4335 STAILQ_INSERT_TAIL(&ring->done, data, next);
4336
4337 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4338
4339 /* FALLTHROUGH */
4340
4341 setup:
4342
4343 case USB_ST_SETUP:
4344 data = STAILQ_FIRST(&ring->inactive);
4345 if (data == NULL)
4346 break;
4347
4348 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4349
4350 STAILQ_INSERT_TAIL(&ring->active, data, next);
4351
4352 usbd_xfer_set_frame_data(xfer, 0, data->buf, usbd_xfer_max_len(xfer));
4353 usbd_transfer_submit(xfer);
4354 break;
4355
4356 default:
4357 sc->interrupts++;
4358 sc->rx_interrupts++;
4359
4360 data = STAILQ_FIRST(&ring->active);
4361 if (data != NULL)
4362 {
4363 STAILQ_REMOVE_HEAD(&ring->active, next);
4364 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4365 }
4366
4367 if (error != USB_ERR_CANCELLED)
4368 {
4369 ifp->if_ierrors++;
4370
4371 usbd_xfer_set_stall(xfer);
4372
4373 goto setup;
4374 }
4375 break;
4376 }
4377 }
4378
4379 /*
4380 * rt2870_tx_intr
4381 */
4382 static void rt2870_tx_intr(struct usb_xfer *xfer, usb_error_t error)
4383 {
4384 struct rt2870_softc *sc;
4385 struct ifnet *ifp;
4386 struct rt2870_softc_tx_ring *ring;
4387 struct rt2870_softc_tx_data *data;
4388
4389 sc = usbd_xfer_softc(xfer);
4390 ifp = sc->ifp;
4391 ring = usbd_xfer_get_priv(xfer);
4392
4393 usbd_xfer_status(xfer, NULL, NULL, NULL, NULL);
4394
4395 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4396 "%s: Tx interrupt: state=%d, error=%s\n",
4397 device_get_nameunit(sc->dev),
4398 USB_GET_STATE(xfer), usbd_errstr(error));
4399
4400 switch (USB_GET_STATE(xfer))
4401 {
4402 case USB_ST_TRANSFERRED:
4403 sc->interrupts++;
4404 sc->tx_interrupts[ring->qid]++;
4405
4406 data = STAILQ_FIRST(&ring->active);
4407 if (data == NULL)
4408 goto setup;
4409
4410 STAILQ_REMOVE_HEAD(&ring->active, next);
4411
4412 STAILQ_INSERT_TAIL(&ring->done, data, next);
4413
4414 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4415
4416 /* FALLTHROUGH */
4417
4418 setup:
4419
4420 case USB_ST_SETUP:
4421 data = STAILQ_FIRST(&ring->pending);
4422 if (data == NULL)
4423 break;
4424
4425 STAILQ_REMOVE_HEAD(&ring->pending, next);
4426 STAILQ_INSERT_TAIL(&ring->active, data, next);
4427
4428 usbd_xfer_set_frame_data(xfer, 0, data->buf, data->len);
4429 usbd_transfer_submit(xfer);
4430
4431 RT2870_SOFTC_UNLOCK(sc);
4432
4433 rt2870_start(ifp);
4434
4435 RT2870_SOFTC_LOCK(sc);
4436 break;
4437
4438 default:
4439 sc->interrupts++;
4440 sc->tx_interrupts[ring->qid]++;
4441
4442 data = STAILQ_FIRST(&ring->active);
4443 if (data != NULL)
4444 {
4445 STAILQ_REMOVE_HEAD(&ring->active, next);
4446
4447 printf("%s: could not transmit buffer: qid=%d, error=%s\n",
4448 device_get_nameunit(sc->dev), ring->qid, usbd_errstr(error));
4449
4450 if (data->m != NULL)
4451 {
4452 m_freem(data->m);
4453 data->m = NULL;
4454 }
4455
4456 if (data->ni != NULL)
4457 {
4458 ieee80211_free_node(data->ni);
4459 data->ni = NULL;
4460 }
4461
4462 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4463
4464 ring->queued--;
4465 }
4466
4467 if (error != USB_ERR_CANCELLED)
4468 {
4469 ifp->if_oerrors++;
4470 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4471
4472 usbd_xfer_set_stall(xfer);
4473
4474 goto setup;
4475 }
4476 break;
4477 }
4478 }
4479
4480 /*
4481 * rt2870_rx_done_task
4482 */
4483 static void rt2870_rx_done_task(void *context, int pending)
4484 {
4485 struct rt2870_softc *sc;
4486 struct ifnet *ifp;
4487
4488 sc = context;
4489 ifp = sc->ifp;
4490
4491 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4492 "%s: Rx done task\n",
4493 device_get_nameunit(sc->dev));
4494
4495 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4496 return;
4497
4498 if (rt2870_rx_eof(sc, sc->rx_process_limit) != 0)
4499 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4500 }
4501
4502 /*
4503 * rt2870_tx_done_task
4504 */
4505 static void rt2870_tx_done_task(void *context, int pending)
4506 {
4507 struct rt2870_softc *sc;
4508 struct ifnet *ifp;
4509 int i;
4510
4511 sc = context;
4512 ifp = sc->ifp;
4513
4514 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4515 "%s: Tx done task\n",
4516 device_get_nameunit(sc->dev));
4517
4518 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4519 return;
4520
4521 for (i = sc->usb_endpoints - 2; i >= 0; i--)
4522 rt2870_tx_eof(sc, &sc->tx_ring[i]);
4523
4524 sc->tx_timer = 0;
4525
4526 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4527 }
4528
4529 /*
4530 * rt2870_periodic_task
4531 */
4532 static void rt2870_periodic_task(void *context, int pending)
4533 {
4534 struct rt2870_softc *sc;
4535 struct ifnet *ifp;
4536 struct ieee80211com *ic;
4537 struct ieee80211vap *vap;
4538
4539 sc = context;
4540 ifp = sc->ifp;
4541 ic = ifp->if_l2com;
4542
4543 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
4544 "%s: periodic task: round=%lu\n",
4545 device_get_nameunit(sc->dev), sc->periodic_round);
4546
4547 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4548 return;
4549
4550 RT2870_SOFTC_LOCK(sc);
4551
4552 sc->periodic_round++;
4553
4554 rt2870_update_stats(sc);
4555
4556 if ((sc->periodic_round % 10) == 0)
4557 {
4558 rt2870_update_raw_counters(sc);
4559
4560 rt2870_watchdog(sc);
4561
4562 vap = TAILQ_FIRST(&ic->ic_vaps);
4563 if (vap != NULL)
4564 {
4565 if (vap->iv_opmode == IEEE80211_M_STA)
4566 rt2870_amrr_update_iter_func(vap, vap->iv_bss);
4567 else
4568 ieee80211_iterate_nodes(&ic->ic_sta, rt2870_amrr_update_iter_func, vap);
4569 }
4570 }
4571
4572 RT2870_SOFTC_UNLOCK(sc);
4573
4574 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
4575 }
4576
4577 /*
4578 * rt2870_cmd_task
4579 */
4580 static void rt2870_cmd_task(void *context, int pending)
4581 {
4582 struct rt2870_softc *sc;
4583 struct rt2870_softc_cmd_ring *ring;
4584 struct rt2870_softc_cmd *cmd;
4585
4586 sc = context;
4587 ring = &sc->cmd_ring;
4588
4589 while (1)
4590 {
4591 RT2870_SOFTC_LOCK(sc);
4592
4593 cmd = STAILQ_FIRST(&ring->active);
4594 if (cmd == NULL)
4595 {
4596 RT2870_SOFTC_UNLOCK(sc);
4597 break;
4598 }
4599
4600 STAILQ_REMOVE_HEAD(&ring->active, next);
4601
4602 RT2870_SOFTC_UNLOCK(sc);
4603
4604 cmd->cb(sc, cmd->data);
4605
4606 RT2870_SOFTC_LOCK(sc);
4607
4608 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
4609 ring->queued--;
4610
4611 RT2870_SOFTC_UNLOCK(sc);
4612 }
4613 }
4614
4615 /*
4616 * rt2870_rx_eof
4617 */
4618 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit)
4619 {
4620 struct ifnet *ifp;
4621 struct rt2870_softc_rx_ring *ring;
4622 struct rt2870_softc_rx_data *data;
4623 uint32_t dmalen;
4624 uint8_t *buf;
4625 int nframes, len;
4626
4627 ifp = sc->ifp;
4628 ring = &sc->rx_ring;
4629
4630 nframes = 0;
4631
4632 while (limit != 0)
4633 {
4634 RT2870_SOFTC_LOCK(sc);
4635
4636 data = STAILQ_FIRST(&ring->done);
4637 if (data == NULL)
4638 {
4639 RT2870_SOFTC_UNLOCK(sc);
4640 break;
4641 }
4642
4643 STAILQ_REMOVE_HEAD(&ring->done, next);
4644
4645 RT2870_SOFTC_UNLOCK(sc);
4646
4647 buf = data->buf;
4648 len = data->len;
4649
4650 if (len < RT2870_RX_DESC_SIZE)
4651 {
4652 ifp->if_ierrors++;
4653 goto skip;
4654 }
4655
4656 while (len > (sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)))
4657 {
4658 dmalen = (le32toh(*(uint32_t *) buf) & 0xffff);
4659
4660 if (dmalen == 0 || (dmalen & 3) != 0)
4661 {
4662 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4663 "%s: bad DMA len=%u\n",
4664 device_get_nameunit(sc->dev), dmalen);
4665 goto skip;
4666 }
4667
4668 if ((dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)) > len)
4669 {
4670 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4671 "%s: bad DMA len: DMA len=%u, USB len=%d\n",
4672 device_get_nameunit(sc->dev),
4673 (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)), len);
4674 goto skip;
4675 }
4676
4677 nframes++;
4678
4679 rt2870_rx_frame(sc, buf + sizeof(uint32_t), dmalen);
4680
4681 buf += (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
4682 len -= (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
4683 }
4684
4685 skip:
4686
4687 RT2870_SOFTC_LOCK(sc);
4688
4689 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4690
4691 usbd_transfer_start(sc->usb_xfer[0]);
4692
4693 RT2870_SOFTC_UNLOCK(sc);
4694
4695 limit--;
4696 }
4697
4698 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4699 "%s: Rx eof: nframes=%d\n",
4700 device_get_nameunit(sc->dev), nframes);
4701
4702 sc->rx_packets += nframes;
4703
4704 return (limit == 0);
4705 }
4706
4707 /*
4708 * rt2870_tx_eof
4709 */
4710 static void rt2870_tx_eof(struct rt2870_softc *sc,
4711 struct rt2870_softc_tx_ring *ring)
4712 {
4713 struct ifnet *ifp;
4714 struct rt2870_softc_tx_data *data;
4715 int nframes;
4716
4717 ifp = sc->ifp;
4718
4719 nframes = 0;
4720
4721 while (1)
4722 {
4723 RT2870_SOFTC_LOCK(sc);
4724
4725 data = STAILQ_FIRST(&ring->done);
4726 if (data == NULL)
4727 {
4728 RT2870_SOFTC_UNLOCK(sc);
4729 break;
4730 }
4731
4732 STAILQ_REMOVE_HEAD(&ring->done, next);
4733
4734 RT2870_SOFTC_UNLOCK(sc);
4735
4736 nframes++;
4737
4738 if (data->m->m_flags & M_TXCB)
4739 ieee80211_process_callback(data->ni, data->m, 0);
4740
4741 m_freem(data->m);
4742
4743 ieee80211_free_node(data->ni);
4744
4745 data->m = NULL;
4746 data->ni = NULL;
4747
4748 RT2870_SOFTC_LOCK(sc);
4749
4750 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4751
4752 ring->queued--;
4753 ifp->if_opackets++;
4754
4755 RT2870_SOFTC_UNLOCK(sc);
4756 }
4757
4758 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4759 "%s: Tx eof: qid=%d, nframes=%d\n",
4760 device_get_nameunit(sc->dev), ring->qid, nframes);
4761 }
4762
4763 /*
4764 * rt2870_update_stats
4765 */
4766 static void rt2870_update_stats(struct rt2870_softc *sc)
4767 {
4768 struct ifnet *ifp;
4769 struct ieee80211com *ic;
4770 struct ieee80211vap *vap;
4771 struct ieee80211_node *ni;
4772 uint16_t associd;
4773 uint8_t wcid;
4774 uint32_t stacnt[3];
4775 int txcnt, retrycnt, failcnt;
4776
4777 ifp = sc->ifp;
4778 ic = ifp->if_l2com;
4779
4780 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
4781 "%s: update statistic\n",
4782 device_get_nameunit(sc->dev));
4783
4784 rt2870_drain_fifo_stats(sc);
4785
4786 if (ic->ic_opmode == IEEE80211_M_STA)
4787 {
4788 vap = TAILQ_FIRST(&ic->ic_vaps);
4789 ni = vap->iv_bss;
4790
4791 associd = (ni != NULL) ? ni->ni_associd : 0;
4792 wcid = RT2870_AID2WCID(associd);
4793
4794 /* read and clear Tx statistic registers */
4795
4796 rt2870_io_mac_read_multi(sc, RT2870_REG_TX_STA_CNT0,
4797 stacnt, sizeof(stacnt));
4798
4799 txcnt = le32toh(stacnt[1]) & 0xffff;
4800 retrycnt = le32toh(stacnt[1]) >> 16;
4801 failcnt = le32toh(stacnt[0]) & 0xffff;
4802
4803 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
4804 "%s: update statistic: associd=0x%04x, txcnt=%d, retrycnt=%d, failcnt=%d\n",
4805 device_get_nameunit(sc->dev),
4806 associd, txcnt, retrycnt, failcnt);
4807
4808 ifp->if_oerrors += failcnt;
4809
4810 rt2870_amrr_tx_update(&sc->amrr_node[wcid],
4811 txcnt + retrycnt + failcnt, txcnt + retrycnt, retrycnt + failcnt);
4812 }
4813 }
4814
4815 /*
4816 * rt2870_watchdog
4817 */
4818 static void rt2870_watchdog(struct rt2870_softc *sc)
4819 {
4820 uint32_t tmp;
4821 int ntries;
4822
4823 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
4824
4825 RT2870_DPRINTF(sc, RT2870_DEBUG_WATCHDOG,
4826 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
4827 device_get_nameunit(sc->dev), tmp);
4828
4829 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) != 0)
4830 {
4831 sc->tx_queue_not_empty[0]++;
4832
4833 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40012);
4834
4835 for (ntries = 0; ntries < 10; ntries++)
4836 {
4837 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
4838 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) == 0)
4839 break;
4840
4841 DELAY(1);
4842 }
4843
4844 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
4845 }
4846
4847 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) != 0)
4848 {
4849 sc->tx_queue_not_empty[1]++;
4850
4851 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf4000a);
4852
4853 for (ntries = 0; ntries < 10; ntries++)
4854 {
4855 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
4856 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) == 0)
4857 break;
4858
4859 DELAY(1);
4860 }
4861
4862 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
4863 }
4864 }
4865
4866 /*
4867 * rt2870_drain_fifo_stats
4868 */
4869 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc)
4870 {
4871 struct ifnet *ifp;
4872 uint32_t stats;
4873 uint8_t wcid, mcs, pid;
4874 int ok, retrycnt;
4875
4876 ifp = sc->ifp;
4877
4878 /* drain Tx status FIFO (maxsize = 16) */
4879
4880 while ((stats = rt2870_io_mac_read(sc, RT2870_REG_TX_STA_FIFO)) &
4881 RT2870_REG_TX_STA_FIFO_VALID)
4882 {
4883 wcid = (stats >> RT2870_REG_TX_STA_FIFO_WCID_SHIFT) &
4884 RT2870_REG_TX_STA_FIFO_WCID_MASK;
4885
4886 /* if no ACK was requested, no feedback is available */
4887
4888 if (!(stats & RT2870_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
4889 continue;
4890
4891 /* update AMRR statistic */
4892
4893 ok = (stats & RT2870_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
4894 mcs = (stats >> RT2870_REG_TX_STA_FIFO_MCS_SHIFT) &
4895 RT2870_REG_TX_STA_FIFO_MCS_MASK;
4896 pid = (stats >> RT2870_REG_TX_STA_FIFO_PID_SHIFT) &
4897 RT2870_REG_TX_STA_FIFO_PID_MASK;
4898 retrycnt = pid - mcs;
4899
4900 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
4901 "%s: FIFO statistic: wcid=0x%02x, ok=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
4902 device_get_nameunit(sc->dev),
4903 wcid, ok, mcs, pid, retrycnt);
4904
4905 rt2870_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
4906
4907 if (!ok)
4908 ifp->if_oerrors++;
4909 }
4910 }
4911
4912 /*
4913 * rt2870_update_raw_counters
4914 */
4915 static void rt2870_update_raw_counters(struct rt2870_softc *sc)
4916 {
4917 uint32_t tmp;
4918
4919 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT0);
4920
4921 sc->rx_crc_errors += tmp & 0xffff;
4922 sc->rx_phy_errors += tmp >> 16;
4923
4924 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT1);
4925
4926 sc->rx_false_ccas += tmp & 0xffff;
4927 sc->rx_plcp_errors += tmp >> 16;
4928
4929 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT2);
4930
4931 sc->rx_dup_packets += tmp & 0xffff;
4932 sc->rx_fifo_overflows += tmp >> 16;
4933 }
4934
4935 /*
4936 * rt2870_txrx_enable
4937 */
4938 static int rt2870_txrx_enable(struct rt2870_softc *sc)
4939 {
4940 struct ieee80211com *ic;
4941 struct ifnet *ifp;
4942 uint32_t tmp;
4943 int ntries;
4944
4945 ifp = sc->ifp;
4946 ic = ifp->if_l2com;
4947
4948 /* enable Tx/Rx DMA engine */
4949
4950 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_USB_CYC_CFG);
4951
4952 tmp &= 0xffffff00;
4953 tmp |= 0x1e;
4954
4955 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_CYC_CFG, tmp);
4956
4957 if ((sc->mac_rev & 0xffff) != 0x0101)
4958 rt2870_io_mac_write(sc, RT2870_REG_TX_TXOP_CTRL_CFG, 0x583f);
4959
4960 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, RT2870_REG_TX_ENABLE);
4961
4962 for (ntries = 0; ntries < 200; ntries++)
4963 {
4964 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
4965 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
4966 break;
4967
4968 DELAY(1000);
4969 }
4970
4971 if (ntries == 200)
4972 {
4973 printf("%s: timeout waiting for DMA engine\n",
4974 device_get_nameunit(sc->dev));
4975 return -1;
4976 }
4977
4978 DELAY(50);
4979
4980 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG, 0);
4981 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
4982 (48 << 16) | 96);
4983
4984 tmp |= RT2870_REG_TX_WB_DDONE |
4985 RT2870_REG_RX_DMA_ENABLE |
4986 RT2870_REG_TX_DMA_ENABLE;
4987
4988 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
4989
4990 tmp = RT2870_REG_USB_DMA_TX_ENABLE |
4991 RT2870_REG_USB_DMA_RX_ENABLE |
4992 RT2870_REG_USB_DMA_RX_AGG_ENABLE |
4993 /* Rx agg limit in unit of 1024 byte */
4994 ((RT2870_USB_RX_BULK_BUFLEN / 1024 - 3) << RT2870_REG_USB_DMA_RX_AGG_LIMIT_SHIFT) |
4995 /* Rx agg timeout in unit of 33ns */
4996 0x80;
4997
4998 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, tmp);
4999
5000 /* set Rx filter */
5001
5002 tmp = RT2870_REG_RX_FILTER_DROP_CRC_ERR |
5003 RT2870_REG_RX_FILTER_DROP_PHY_ERR;
5004
5005 if (ic->ic_opmode != IEEE80211_M_MONITOR)
5006 {
5007 tmp |= RT2870_REG_RX_FILTER_DROP_DUPL |
5008 RT2870_REG_RX_FILTER_DROP_CTS |
5009 RT2870_REG_RX_FILTER_DROP_BA |
5010 RT2870_REG_RX_FILTER_DROP_ACK |
5011 RT2870_REG_RX_FILTER_DROP_VER_ERR |
5012 RT2870_REG_RX_FILTER_DROP_CTRL_RSV |
5013 RT2870_REG_RX_FILTER_DROP_CFACK |
5014 RT2870_REG_RX_FILTER_DROP_CFEND;
5015
5016 if (ic->ic_opmode == IEEE80211_M_STA)
5017 tmp |= RT2870_REG_RX_FILTER_DROP_RTS |
5018 RT2870_REG_RX_FILTER_DROP_PSPOLL;
5019
5020 if (!(ifp->if_flags & IFF_PROMISC))
5021 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
5022 }
5023
5024 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
5025
5026 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
5027 RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
5028
5029 return 0;
5030 }
5031
5032 /*
5033 * rt2870_alloc_rx_ring
5034 */
5035 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
5036 struct rt2870_softc_rx_ring *ring)
5037 {
5038 struct rt2870_softc_rx_data *data;
5039 int i, error;
5040
5041 STAILQ_INIT(&ring->inactive);
5042 STAILQ_INIT(&ring->active);
5043 STAILQ_INIT(&ring->done);
5044
5045 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5046 {
5047 data = &ring->data[i];
5048
5049 data->buf = malloc(RT2870_USB_RX_BULK_BUFLEN, M_USBDEV, M_NOWAIT);
5050 if (data->buf == NULL)
5051 {
5052 printf("%s: could not allocate Rx buffer\n",
5053 device_get_nameunit(sc->dev));
5054 error = ENOMEM;
5055 goto fail;
5056 }
5057
5058 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5059 }
5060
5061 return 0;
5062
5063 fail:
5064
5065 rt2870_free_rx_ring(sc, ring);
5066
5067 return error;
5068 }
5069
5070 /*
5071 * rt2870_reset_rx_ring
5072 */
5073 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
5074 struct rt2870_softc_rx_ring *ring)
5075 {
5076 struct rt2870_softc_rx_data *data;
5077 int i;
5078
5079 STAILQ_INIT(&ring->inactive);
5080 STAILQ_INIT(&ring->active);
5081 STAILQ_INIT(&ring->done);
5082
5083 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5084 {
5085 data = &ring->data[i];
5086
5087 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5088 }
5089 }
5090
5091 /*
5092 * rt2870_free_rx_ring
5093 */
5094 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
5095 struct rt2870_softc_rx_ring *ring)
5096 {
5097 struct rt2870_softc_rx_data *data;
5098 int i;
5099
5100 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5101 {
5102 data = &ring->data[i];
5103
5104 if (data->buf != NULL)
5105 {
5106 free(data->buf, M_USBDEV);
5107 data->buf = NULL;
5108 }
5109 }
5110 }
5111
5112 /*
5113 * rt2870_alloc_tx_ring
5114 */
5115 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
5116 struct rt2870_softc_tx_ring *ring, int qid)
5117 {
5118 struct rt2870_softc_tx_data *data;
5119 int i, error;
5120
5121 STAILQ_INIT(&ring->inactive);
5122 STAILQ_INIT(&ring->pending);
5123 STAILQ_INIT(&ring->active);
5124 STAILQ_INIT(&ring->done);
5125
5126 ring->queued = 0;
5127 ring->qid = qid;
5128
5129 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5130 {
5131 data = &ring->data[i];
5132
5133 data->buf = malloc(RT2870_TX_DESC_SIZE + MJUMPAGESIZE, M_USBDEV, M_NOWAIT);
5134 if (data->buf == NULL)
5135 {
5136 printf("%s: could not allocate Tx buffer\n",
5137 device_get_nameunit(sc->dev));
5138 error = ENOMEM;
5139 goto fail;
5140 }
5141
5142 memset(data->buf, 0, RT2870_TX_DESC_SIZE);
5143
5144 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5145 }
5146
5147 return 0;
5148
5149 fail:
5150
5151 rt2870_free_tx_ring(sc, ring);
5152
5153 return error;
5154 }
5155
5156 /*
5157 * rt2870_reset_tx_ring
5158 */
5159 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
5160 struct rt2870_softc_tx_ring *ring)
5161 {
5162 struct rt2870_softc_tx_data *data;
5163 int i;
5164
5165 STAILQ_INIT(&ring->inactive);
5166 STAILQ_INIT(&ring->pending);
5167 STAILQ_INIT(&ring->active);
5168 STAILQ_INIT(&ring->done);
5169
5170 ring->queued = 0;
5171
5172 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5173 {
5174 data = &ring->data[i];
5175
5176 if (data->m != NULL)
5177 {
5178 m_free(data->m);
5179 data->m = NULL;
5180 }
5181
5182 if (data->ni != NULL)
5183 {
5184 ieee80211_free_node(data->ni);
5185 data->ni = NULL;
5186 }
5187
5188 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5189 }
5190 }
5191
5192 /*
5193 * rt2870_free_tx_ring
5194 */
5195 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
5196 struct rt2870_softc_tx_ring *ring)
5197 {
5198 struct rt2870_softc_tx_data *data;
5199 int i;
5200
5201 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5202 {
5203 data = &ring->data[i];
5204
5205 if (data->buf != NULL)
5206 {
5207 free(data->buf, M_USBDEV);
5208 data->buf = NULL;
5209 }
5210
5211 if (data->m != NULL)
5212 {
5213 m_free(data->m);
5214 data->m = NULL;
5215 }
5216
5217 if (data->ni != NULL)
5218 {
5219 ieee80211_free_node(data->ni);
5220 data->ni = NULL;
5221 }
5222 }
5223 }
5224
5225 /*
5226 * rt2870_reset_cmd_ring
5227 */
5228 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
5229 struct rt2870_softc_cmd_ring *ring)
5230 {
5231 struct rt2870_softc_cmd *cmd;
5232 int i;
5233
5234 STAILQ_INIT(&ring->inactive);
5235 STAILQ_INIT(&ring->active);
5236
5237 ring->queued = 0;
5238
5239 for (i = 0; i < RT2870_SOFTC_CMD_RING_CMD_COUNT; i++)
5240 {
5241 cmd = &ring->cmd[i];
5242
5243 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
5244 }
5245 }
5246
5247 /*
5248 * rt2870_sysctl_attach
5249 */
5250 static void rt2870_sysctl_attach(struct rt2870_softc *sc)
5251 {
5252 struct sysctl_ctx_list *ctx;
5253 struct sysctl_oid *tree;
5254 struct sysctl_oid *stats;
5255
5256 ctx = device_get_sysctl_ctx(sc->dev);
5257 tree = device_get_sysctl_tree(sc->dev);
5258
5259 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
5260 "stats", CTLFLAG_RD, 0, "statistic");
5261
5262 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5263 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
5264 "all interrupts");
5265
5266 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5267 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
5268 "Rx interrupts");
5269
5270 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
5271 {
5272 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5273 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
5274 "Tx MGMT interrupts");
5275
5276 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5277 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
5278 "Tx HCCA interrupts");
5279 }
5280
5281 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5282 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
5283 "Tx AC3 interrupts");
5284
5285 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5286 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
5287 "Tx AC2 interrupts");
5288
5289 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5290 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
5291 "Tx AC1 interrupts");
5292
5293 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5294 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
5295 "Tx AC0 interrupts");
5296
5297 if (sc->usb_endpoints == RT2870_SOFTC_USB_XFER_COUNT)
5298 {
5299 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5300 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].queued, 0,
5301 "Tx MGMT data queued");
5302
5303 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5304 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].queued, 0,
5305 "Tx HCCA data queued");
5306 }
5307
5308 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5309 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].queued, 0,
5310 "Tx AC3 data queued");
5311
5312 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5313 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].queued, 0,
5314 "Tx AC2 data queued");
5315
5316 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5317 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].queued, 0,
5318 "Tx AC1 data queued");
5319
5320 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5321 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].queued, 0,
5322 "Tx AC0 data queued");
5323
5324 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5325 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
5326 "Tx watchdog timeouts");
5327
5328 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5329 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
5330 "Rx mbuf allocation errors");
5331
5332 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5333 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
5334 "Tx queue 0 not empty");
5335
5336 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5337 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
5338 "Tx queue 1 not empty");
5339
5340 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5341 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
5342 "Rx packets");
5343
5344 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5345 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
5346 "Rx CRC errors");
5347
5348 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5349 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
5350 "Rx PHY errors");
5351
5352 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5353 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
5354 "Rx false CCAs");
5355
5356 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5357 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
5358 "Rx PLCP errors");
5359
5360 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5361 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
5362 "Rx duplicate packets");
5363
5364 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5365 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
5366 "Rx FIFO overflows");
5367 }
5368
5369 static device_method_t rt2870_dev_methods[] =
5370 {
5371 DEVMETHOD(device_probe, rt2870_probe),
5372 DEVMETHOD(device_attach, rt2870_attach),
5373 DEVMETHOD(device_detach, rt2870_detach),
5374 { 0, 0 }
5375 };
5376
5377 static driver_t rt2870_driver =
5378 {
5379 "rt2870",
5380 rt2870_dev_methods,
5381 sizeof(struct rt2870_softc),
5382 };
5383
5384 static devclass_t rt2870_dev_class;
5385
5386 DRIVER_MODULE(rt2870, uhub, rt2870_driver, rt2870_dev_class,
5387 NULL, 0);
5388
5389 MODULE_DEPEND(rt2870, usb, 1, 1, 1);
5390 MODULE_DEPEND(rt2870, wlan, 1, 1, 1);
FreeBSD 8 device driver for Ralink rt2870