?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Improved HT capabilities initialization
[ralink_drivers/rt2870_fbsd72.git] / rt2870.c
blob4cbf8911143ac62de8acd050db19bd07c1d840d5
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_txwi.h"
26 #include "rt2870_txinfo.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_NO 1
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_RATE_IS_OFDM(rate) ((rate) >= 12 && (rate) != 22)
65
66 #define RT2870_ACK_SIZE 14
67
68 #define IEEE80211_HAS_ADDR4(wh) \
69 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
70
71 #define RT2870_MS(_v, _f) (((_v) & _f) >> _f##_S)
72 #define RT2870_SM(_v, _f) (((_v) << _f##_S) & _f)
73
74 #define RT2870_USB_XFER_TIMEOUT 5000
75
76 #define RT2870_TX_WATCHDOG_TIMEOUT 5
77
78 /*
79 * Data structures and types
80 */
81
82 struct rt2870_cmd_argv_newstate
83 {
84 enum ieee80211_state nstate;
85 int arg;
86 };
87
88 struct rt2870_cmd_argv_newassoc
89 {
90 uint16_t associd;
91 int isnew;
92 uint8_t macaddr[IEEE80211_ADDR_LEN];
93 };
94
95 struct rt2870_cmd_argv_updatebeacon
96 {
97 int what;
98 };
99
100 struct rt2870_cmd_argv_keyset
101 {
102 struct ieee80211_key key;
103 uint16_t associd;
104 };
105
106 struct rt2870_cmd_argv_keydelete
107 {
108 struct ieee80211_key key;
109 uint16_t associd;
110 };
111
112 /*
113 * Static function prototypes
114 */
115
116 static int rt2870_find_usb_endpoints(struct rt2870_softc *sc);
117
118 static void rt2870_init_channels(struct rt2870_softc *sc);
119
120 static void rt2870_init_channels_ht40(struct rt2870_softc *sc);
121
122 static void rt2870_init_locked(void *priv);
123
124 static void rt2870_init(void *priv);
125
126 static int rt2870_init_bbp(struct rt2870_softc *sc);
127
128 static void rt2870_stop_locked(void *priv);
129
130 static void rt2870_stop(void *priv);
131
132 static void rt2870_start(struct ifnet *ifp);
133
134 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data);
135
136 static int rt2870_reset(struct ifnet *ifp);
137
138 static int rt2870_newstate(struct ieee80211com *ic,
139 enum ieee80211_state nstate, int arg);
140
141 static void rt2870_scan_start(struct ieee80211com *ic);
142
143 static void rt2870_scan_end(struct ieee80211com *ic);
144
145 static void rt2870_set_channel(struct ieee80211com *ic);
146
147 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew);
148
149 static void rt2870_updateslot(struct ifnet *ifp);
150
151 static int rt2870_wme_update(struct ieee80211com *ic);
152
153 static void rt2870_update_beacon(struct ieee80211com *ic, int what);
154
155 static void rt2870_key_update_begin(struct ieee80211com *ic);
156
157 static void rt2870_key_update_end(struct ieee80211com *ic);
158
159 static int rt2870_key_set(struct ieee80211com *ic,
160 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN]);
161
162 static int rt2870_key_delete(struct ieee80211com *ic,
163 const struct ieee80211_key *k);
164
165 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
166 const struct ieee80211_bpf_params *params);
167
168 static int rt2870_media_change(struct ifnet *ifp);
169
170 static void rt2870_recv_action(struct ieee80211_node *ni,
171 const uint8_t *frm, const uint8_t *efrm);
172
173 static int rt2870_send_action(struct ieee80211_node *ni,
174 int category, int action, uint16_t args[4]);
175
176 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
177
178 static void rt2870_periodic(void *arg);
179
180 static void rt2870_tx_watchdog(void *arg);
181
182 static int rt2870_do_async(struct rt2870_softc *sc,
183 void (*cb)(struct rt2870_softc *sc, void *priv),
184 void *arg, int len);
185
186 static void rt2870_newstate_cb(struct rt2870_softc *sc, void *arg);
187
188 static void rt2870_scan_start_cb(struct rt2870_softc *sc, void *arg);
189
190 static void rt2870_scan_end_cb(struct rt2870_softc *sc, void *arg);
191
192 static void rt2870_set_channel_cb(struct rt2870_softc *sc, void *arg);
193
194 static void rt2870_newassoc_cb(struct rt2870_softc *sc, void *arg);
195
196 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg);
197
198 static void rt2870_update_beacon_cb(struct rt2870_softc *sc, void *arg);
199
200 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg);
201
202 static void rt2870_key_update_begin_cb(struct rt2870_softc *sc, void *arg);
203
204 static void rt2870_key_update_end_cb(struct rt2870_softc *sc, void *arg);
205
206 static void rt2870_key_set_cb(struct rt2870_softc *sc, void *arg);
207
208 static void rt2870_key_delete_cb(struct rt2870_softc *sc, void *arg);
209
210 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
211 const uint8_t *bssid);
212
213 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
214 const uint8_t *addr);
215
216 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc);
217
218 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc);
219
220 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc);
221
222 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc);
223
224 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc);
225
226 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc);
227
228 static void rt2870_asic_update_txpower(struct rt2870_softc *sc);
229
230 static void rt2870_asic_update_promisc(struct rt2870_softc *sc);
231
232 static void rt2870_asic_updateprot(struct rt2870_softc *sc);
233
234 static void rt2870_asic_updateslot(struct rt2870_softc *sc);
235
236 static void rt2870_asic_wme_update(struct rt2870_softc *sc);
237
238 static int rt2870_asic_update_beacon(struct rt2870_softc *sc);
239
240 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc);
241
242 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi);
243
244 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
245 const struct rt2870_rxwi *rxwi);
246
247 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
248 uint8_t rssi, uint8_t rxpath);
249
250 static uint8_t rt2870_rate2mcs(uint8_t rate);
251
252 static int rt2870_ackrate(struct ieee80211com *ic, int rate);
253
254 static uint16_t rt2870_txtime(int len, int rate, uint32_t flags);
255
256 static void rt2870_rx_frame(struct rt2870_softc *sc,
257 uint8_t *buf, uint32_t dmalen);
258
259 static int rt2870_tx_frame(struct rt2870_softc *sc,
260 struct mbuf *m, struct ieee80211_node *ni, int qid);
261
262 static int rt2870_tx_raw(struct rt2870_softc *sc,
263 struct mbuf *m, struct ieee80211_node *ni,
264 const struct ieee80211_bpf_params *params);
265
266 static void rt2870_rx_intr(usbd_xfer_handle xfer,
267 usbd_private_handle priv, usbd_status status);
268
269 static void rt2870_tx_intr(usbd_xfer_handle xfer,
270 usbd_private_handle priv, usbd_status status);
271
272 static void rt2870_rx_done_task(void *context, int pending);
273
274 static void rt2870_tx_done_task(void *context, int pending);
275
276 static void rt2870_periodic_task(void *context, int pending);
277
278 static void rt2870_cmd_task(void *context, int pending);
279
280 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit);
281
282 static void rt2870_tx_eof(struct rt2870_softc *sc,
283 struct rt2870_softc_tx_ring *ring);
284
285 static void rt2870_update_stats(struct rt2870_softc *sc);
286
287 static void rt2870_watchdog(struct rt2870_softc *sc);
288
289 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc);
290
291 static void rt2870_update_raw_counters(struct rt2870_softc *sc);
292
293 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
294 struct rt2870_softc_rx_ring *ring);
295
296 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
297 struct rt2870_softc_rx_ring *ring);
298
299 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
300 struct rt2870_softc_rx_ring *ring);
301
302 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
303 struct rt2870_softc_tx_ring *ring, int qid);
304
305 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
306 struct rt2870_softc_tx_ring *ring);
307
308 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
309 struct rt2870_softc_tx_ring *ring);
310
311 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
312 struct rt2870_softc_cmd_ring *ring);
313
314 static void rt2870_sysctl_attach(struct rt2870_softc *sc);
315
316 /*
317 * Static variables
318 */
319
320 static const struct usb_devno rt2870_usb_devno[] =
321 {
322 { USB_VENDOR_LINKSYS4, USB_PRODUCT_LINKSYS4_WUSB600N }, /* Linksys WUSB600N */
323 { USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA140 }, /* D-Link DWA-140 */
324 { USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA160AREVB }, /* D-Link DWA-160A Rev. B */
325 { USB_VENDOR_ASUS, USB_PRODUCT_ASUS_RT2770F }, /* Asus RT2770F */
326 { USB_VENDOR_RALINK, USB_PRODUCT_RALINK_RT2770 }, /* Ralink RT2770 */
327 };
328
329 static const struct
330 {
331 uint32_t reg;
332 uint32_t val;
333 } rt2870_def_mac[] =
334 {
335 { RT2870_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
336 { RT2870_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
337 { RT2870_REG_LEGACY_BASIC_RATE, 0x0000013f },
338 { RT2870_REG_HT_BASIC_RATE, 0x00008003 },
339 { RT2870_REG_SYS_CTRL, 0x00000000 },
340 { RT2870_REG_RX_FILTER_CFG, 0x00017f97 },
341 { RT2870_REG_BKOFF_SLOT_CFG, 0x00000209 },
342 { RT2870_REG_TX_SW_CFG0, 0x00000000 },
343 { RT2870_REG_TX_SW_CFG1, 0x00080606 },
344 { RT2870_REG_TX_LINK_CFG, 0x00001020 },
345 { RT2870_REG_TX_TIMEOUT_CFG, 0x000a2090 },
346 { RT2870_REG_MAX_LEN_CFG, (1 << 12) | RT2870_MAX_AGG_SIZE },
347 { RT2870_REG_LED_CFG, 0x7f031e46 },
348 { RT2870_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
349 { RT2870_REG_TX_RTY_CFG, 0x47d01f0f },
350 { RT2870_REG_AUTO_RSP_CFG, 0x00000013 },
351 { RT2870_REG_TX_CCK_PROT_CFG, 0x05740003 },
352 { RT2870_REG_TX_OFDM_PROT_CFG, 0x05740003 },
353 { RT2870_REG_PBF_CFG, 0x00f40006 },
354 { RT2870_REG_TX_MM40_PROT_CFG, 0x03f44084 },
355 { RT2870_REG_SCHDMA_WPDMA_GLO_CFG, 0x00000030 },
356 { RT2870_REG_TX_GF20_PROT_CFG, 0x01744004 },
357 { RT2870_REG_TX_GF40_PROT_CFG, 0x03f44084 },
358 { RT2870_REG_TX_MM20_PROT_CFG, 0x01744004 },
359 { RT2870_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
360 { RT2870_REG_TX_RTS_CFG, 0x00092b20 },
361 { RT2870_REG_TX_EXP_ACK_TIME, 0x002400ca },
362 { RT2870_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
363 { RT2870_REG_XIFS_TIME_CFG, 0x33a41010 },
364 { RT2870_REG_PWR_PIN_CFG, 0x00000003 },
365 { RT2870_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
366 { RT2870_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
367 { RT2870_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
368 };
369
370 #define RT2870_DEF_MAC_SIZE (sizeof(rt2870_def_mac) / sizeof(rt2870_def_mac[0]))
371
372 static const struct
373 {
374 uint8_t reg;
375 uint8_t val;
376 } rt2870_def_bbp[] =
377 {
378 { 65, 0x2c },
379 { 66, 0x38 },
380 { 69, 0x12 },
381 { 70, 0x0a },
382 { 73, 0x10 },
383 { 81, 0x37 },
384 { 82, 0x62 },
385 { 83, 0x6a },
386 { 84, 0x99 },
387 { 86, 0x00 },
388 { 91, 0x04 },
389 { 92, 0x00 },
390 { 103, 0x00 },
391 { 105, 0x05 },
392 };
393
394 #define RT2870_DEF_BBP_SIZE (sizeof(rt2870_def_bbp) / sizeof(rt2870_def_bbp[0]))
395
396 SYSCTL_DECL(_hw_rt2870);
397
398 #ifdef RT2870_DEBUG
399 static int rt2870_debug = 0;
400 SYSCTL_INT(_hw_rt2870, OID_AUTO, debug, CTLFLAG_RW, &rt2870_debug, 0, "rt2870 debug level");
401 TUNABLE_INT("hw.rt2870.debug", &rt2870_debug);
402 #endif
403
404 /*
405 * rt2870_probe
406 */
407 static int rt2870_probe(device_t dev)
408 {
409 struct usb_attach_arg *uaa;
410
411 uaa = device_get_ivars(dev);
412
413 if (uaa->iface != NULL)
414 return UMATCH_NONE;
415
416 return (usb_lookup(rt2870_usb_devno, uaa->vendor, uaa->product) != NULL) ?
417 UMATCH_VENDOR_PRODUCT : UMATCH_NONE;
418 }
419
420 /*
421 * rt2870_attach
422 */
423 static int rt2870_attach(device_t dev)
424 {
425 struct rt2870_softc *sc;
426 struct usb_attach_arg *uaa;
427 usbd_status usb_error;
428 struct ieee80211com *ic;
429 struct ifnet *ifp;
430 int error, ntries, i;
431
432 sc = device_get_softc(dev);
433 uaa = device_get_ivars(dev);
434
435 sc->dev = dev;
436 sc->usb_dev = uaa->device;
437
438 #ifdef RT2870_DEBUG
439 sc->debug = rt2870_debug;
440
441 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
442 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
443 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2870 debug level");
444 #endif
445
446 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
447 "%s: attaching\n",
448 device_get_nameunit(sc->dev));
449
450 if (usbd_set_config_no(sc->usb_dev, RT2870_USB_CONFIG_NO, 0) != 0)
451 {
452 printf("%s: could not set USB configuration no\n",
453 device_get_nameunit(sc->dev));
454 return ENXIO;
455 }
456
457 usb_error = usbd_device2interface_handle(sc->usb_dev,
458 RT2870_USB_IFACE_INDEX, &sc->usb_iface);
459 if (usb_error != 0)
460 {
461 printf("%s: could not get USB interface handle\n",
462 device_get_nameunit(sc->dev));
463 return ENXIO;
464 }
465
466 error = rt2870_find_usb_endpoints(sc);
467 if (error != 0)
468 return error;
469
470 for (ntries = 0; ntries < 100; ntries++)
471 {
472 sc->mac_rev = rt2870_io_mac_read(sc, RT2870_REG_MAC_CSR0);
473 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
474 break;
475
476 DELAY(10);
477 }
478
479 if (ntries == 100)
480 {
481 printf("%s: timeout waiting for NIC to initialize\n",
482 device_get_nameunit(sc->dev));
483 return ENXIO;
484 }
485
486 rt2870_read_eeprom(sc);
487
488 printf("%s: MAC/BBP RT2870 (rev 0x%08x), RF %s\n",
489 device_get_nameunit(sc->dev), sc->mac_rev,
490 rt2870_rf_name(sc->rf_rev));
491
492 /* open Tx and Rx USB bulk pipes */
493
494 for (i = 0; i < sc->usb_endpoints - 1; i++)
495 {
496 error = usbd_open_pipe(sc->usb_iface, sc->tx_ring[i].usb_ep,
497 USBD_EXCLUSIVE_USE, &sc->tx_ring[i].usb_pipe);
498 if (error != 0)
499 {
500 printf("%s: could not open Tx pipe #%d: %s\n",
501 device_get_nameunit(sc->dev), i, usbd_errstr(error));
502 goto fail;
503 }
504 }
505
506 error = usbd_open_pipe(sc->usb_iface, sc->rx_ring.usb_ep,
507 USBD_EXCLUSIVE_USE, &sc->rx_ring.usb_pipe);
508 if (error != 0)
509 {
510 printf("%s: could not open Rx pipe: %s\n",
511 device_get_nameunit(sc->dev), usbd_errstr(error));
512 goto fail;
513 }
514
515 /* allocate Tx and Rx rings */
516
517 for (i = 0; i < sc->usb_endpoints - 1; i++)
518 {
519 error = rt2870_alloc_tx_ring(sc, &sc->tx_ring[i], i);
520 if (error != 0)
521 {
522 printf("%s: could not allocate Tx ring #%d\n",
523 device_get_nameunit(sc->dev), i);
524 goto fail;
525 }
526 }
527
528 if (sc->usb_endpoints == (RT2870_SOFTC_TX_RING_COUNT + 1))
529 sc->tx_ring_mgtqid = 5;
530 else
531 sc->tx_ring_mgtqid = 0;
532
533 error = rt2870_alloc_rx_ring(sc, &sc->rx_ring);
534 if (error != 0)
535 {
536 printf("%s: could not allocate Rx ring\n",
537 device_get_nameunit(sc->dev));
538 goto fail;
539 }
540
541 callout_init(&sc->periodic_ch, 0);
542 callout_init(&sc->tx_watchdog_ch, 0);
543
544 ifp = sc->ifp = if_alloc(IFT_ETHER);
545 if (ifp == NULL)
546 {
547 printf("%s: could not if_alloc()\n",
548 device_get_nameunit(sc->dev));
549 error = ENOMEM;
550 goto fail;
551 }
552
553 ifp->if_softc = sc;
554
555 if_initname(ifp, "rt2870", device_get_unit(sc->dev));
556
557 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST |
558 IFF_NEEDSGIANT;
559
560 ifp->if_init = rt2870_init;
561 ifp->if_ioctl = rt2870_ioctl;
562 ifp->if_start = rt2870_start;
563
564 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
565 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
566 IFQ_SET_READY(&ifp->if_snd);
567
568 ic = &sc->ic;
569
570 ic->ic_ifp = ifp;
571
572 ic->ic_phytype = IEEE80211_T_HT;
573 ic->ic_opmode = IEEE80211_M_STA;
574 ic->ic_state = IEEE80211_S_INIT;
575
576 ic->ic_caps = IEEE80211_C_MONITOR |
577 IEEE80211_C_IBSS |
578 IEEE80211_C_AHDEMO |
579 IEEE80211_C_HOSTAP |
580 IEEE80211_C_WDS |
581 /* IEEE80211_C_BGSCAN | */
582 IEEE80211_C_TXPMGT |
583 IEEE80211_C_SHPREAMBLE |
584 IEEE80211_C_SHSLOT |
585 IEEE80211_C_TXFRAG |
586 IEEE80211_C_BURST |
587 IEEE80211_C_WME |
588 IEEE80211_C_WEP |
589 IEEE80211_C_TKIP |
590 IEEE80211_C_AES_CCM |
591 IEEE80211_C_WPA;
592
593 ic->ic_htcaps = IEEE80211_HTC_HT |
594 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
595 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
596 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
597 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
598 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
599 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
600 IEEE80211_HTCAP_DSSSCCK40; /* HT 40MHz DSSS/CCK modulation */
601
602 /* spatial streams */
603
604 if (sc->nrxpath == 2)
605 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
606 else if (sc->nrxpath == 3)
607 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
608 else
609 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
610
611 if (sc->ntxpath > 1)
612 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
613
614 /* delayed BA */
615
616 if (sc->mac_rev != 0x28600100)
617 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
618
619 /* init channels */
620
621 ic->ic_nchans = 0;
622 ic->ic_regdomain = 0;
623 ic->ic_countrycode = CTRY_DEFAULT;
624 ic->ic_location = 0;
625
626 rt2870_init_channels(sc);
627
628 rt2870_init_channels_ht40(sc);
629
630 IEEE80211_ADDR_COPY(ic->ic_myaddr, sc->mac_addr);
631
632 ieee80211_ifattach(ic);
633
634 sc->newstate = ic->ic_newstate;
635 ic->ic_newstate = rt2870_newstate;
636
637 ic->ic_reset = rt2870_reset;
638 ic->ic_scan_start = rt2870_scan_start;
639 ic->ic_scan_end = rt2870_scan_end;
640 ic->ic_set_channel = rt2870_set_channel;
641 ic->ic_newassoc = rt2870_newassoc;
642 ic->ic_updateslot = rt2870_updateslot;
643 ic->ic_wme.wme_update = rt2870_wme_update;
644 ic->ic_update_beacon = rt2870_update_beacon;
645 ic->ic_crypto.cs_key_update_begin = rt2870_key_update_begin;
646 ic->ic_crypto.cs_key_update_end = rt2870_key_update_end;
647 ic->ic_crypto.cs_key_set = rt2870_key_set;
648 ic->ic_crypto.cs_key_delete = rt2870_key_delete;
649 ic->ic_raw_xmit = rt2870_raw_xmit;
650
651 sc->recv_action = ic->ic_recv_action;
652 ic->ic_recv_action = rt2870_recv_action;
653
654 sc->send_action = ic->ic_send_action;
655 ic->ic_send_action = rt2870_send_action;
656
657 /* hardware requires padding between 802.11 frame header and body */
658
659 ic->ic_flags |= IEEE80211_F_WME | IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
660
661 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
662
663 ieee80211_media_init(ic, rt2870_media_change, ieee80211_media_status);
664
665 rt2870_amrr_init(&sc->amrr, ic,
666 RT2870_AMRR_MIN_SUCCESS_THRESHOLD,
667 RT2870_AMRR_MAX_SUCCESS_THRESHOLD,
668 500);
669
670 bpfattach2(ifp, DLT_IEEE802_11_RADIO,
671 sizeof(struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN,
672 &sc->drvbpf);
673
674 sc->rxtap_len = sizeof(sc->rxtapu);
675 sc->rxtap.ihdr.it_len = htole16(sc->rxtap_len);
676 sc->rxtap.ihdr.it_present = htole32(RT2870_SOFTC_RX_RADIOTAP_PRESENT);
677
678 sc->txtap_len = sizeof(sc->txtapu);
679 sc->txtap.ihdr.it_len = htole16(sc->txtap_len);
680 sc->txtap.ihdr.it_present = htole32(RT2870_SOFTC_TX_RADIOTAP_PRESENT);
681
682 /* init task queue */
683
684 TASK_INIT(&sc->rx_done_task, 0, rt2870_rx_done_task, sc);
685 TASK_INIT(&sc->tx_done_task, 0, rt2870_tx_done_task, sc);
686 TASK_INIT(&sc->periodic_task, 0, rt2870_periodic_task, sc);
687 TASK_INIT(&sc->cmd_task, 0, rt2870_cmd_task, sc);
688
689 sc->rx_process_limit = 100;
690
691 sc->taskqueue = taskqueue_create("rt2870_taskq", M_NOWAIT,
692 taskqueue_thread_enqueue, &sc->taskqueue);
693
694 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
695 device_get_nameunit(sc->dev));
696
697 rt2870_sysctl_attach(sc);
698
699 if (bootverbose)
700 ieee80211_announce(ic);
701
702 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->usb_dev, sc->dev);
703
704 return 0;
705
706 fail:
707
708 /* close Tx and Rx USB bulk pipes */
709
710 if (sc->rx_ring.usb_pipe != NULL)
711 {
712 usbd_abort_pipe(sc->rx_ring.usb_pipe);
713 usbd_close_pipe(sc->rx_ring.usb_pipe);
714 sc->rx_ring.usb_pipe = NULL;
715 }
716
717 for (i = 0; i < sc->usb_endpoints - 1; i++)
718 {
719 if (sc->tx_ring[i].usb_pipe != NULL)
720 {
721 usbd_abort_pipe(sc->tx_ring[i].usb_pipe);
722 usbd_close_pipe(sc->tx_ring[i].usb_pipe);
723 sc->tx_ring[i].usb_pipe = NULL;
724 }
725 }
726
727 /* free Tx and Rx rings */
728
729 for (i = 0; i < sc->usb_endpoints - 1; i++)
730 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
731
732 rt2870_free_rx_ring(sc, &sc->rx_ring);
733
734 return error;
735 }
736
737 /*
738 * rt2870_detach
739 */
740 static int rt2870_detach(device_t dev)
741 {
742 struct rt2870_softc *sc;
743 struct ieee80211com *ic;
744 struct ifnet *ifp;
745 int i;
746
747 if (!device_is_attached(dev))
748 return 0;
749
750 sc = device_get_softc(dev);
751 ic = &sc->ic;
752 ifp = ic->ic_ifp;
753
754 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
755 "%s: detaching\n",
756 device_get_nameunit(sc->dev));
757
758 sc->tx_timer = 0;
759
760 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
761
762 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
763
764 callout_stop(&sc->periodic_ch);
765 callout_stop(&sc->tx_watchdog_ch);
766
767 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
768 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
769 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
770 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
771
772 /* close Tx and Rx USB bulk pipes */
773
774 if (sc->rx_ring.usb_pipe != NULL)
775 {
776 usbd_abort_pipe(sc->rx_ring.usb_pipe);
777 usbd_close_pipe(sc->rx_ring.usb_pipe);
778 sc->rx_ring.usb_pipe = NULL;
779 }
780
781 for (i = 0; i < sc->usb_endpoints - 1; i++)
782 {
783 if (sc->tx_ring[i].usb_pipe != NULL)
784 {
785 usbd_abort_pipe(sc->tx_ring[i].usb_pipe);
786 usbd_close_pipe(sc->tx_ring[i].usb_pipe);
787 sc->tx_ring[i].usb_pipe = NULL;
788 }
789 }
790
791 /* free Tx and Rx rings */
792
793 for (i = 0; i < sc->usb_endpoints - 1; i++)
794 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
795
796 rt2870_free_rx_ring(sc, &sc->rx_ring);
797
798 bpfdetach(ifp);
799
800 ieee80211_ifdetach(ic);
801
802 if_free(ifp);
803
804 taskqueue_free(sc->taskqueue);
805
806 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->usb_dev, sc->dev);
807
808 return 0;
809 }
810
811 /*
812 * rt2870_find_usb_endpoints
813 */
814 static int rt2870_find_usb_endpoints(struct rt2870_softc *sc)
815 {
816 usb_interface_descriptor_t *id;
817 usb_endpoint_descriptor_t *ed;
818 int i, j;
819
820 id = usbd_get_interface_descriptor(sc->usb_iface);
821
822 sc->usb_endpoints = id->bNumEndpoints;
823 if ((sc->usb_endpoints != (RT2870_SOFTC_TX_RING_COUNT + 1)) &&
824 (sc->usb_endpoints != (RT2870_SOFTC_TX_RING_COUNT - 2 + 1)))
825 {
826 printf("%s: wrong number of USB endpoints=%d\n",
827 device_get_nameunit(sc->dev), sc->usb_endpoints);
828 return ENXIO;
829 }
830
831 sc->rx_ring.usb_ep = -1;
832
833 for (i = 0; i < RT2870_SOFTC_TX_RING_COUNT; i++)
834 sc->tx_ring[i].usb_ep = -1;
835
836 for (i = 0, j = 0; i < id->bNumEndpoints; i++)
837 {
838 ed = usbd_interface2endpoint_descriptor(sc->usb_iface, i);
839 if (ed == NULL)
840 {
841 printf("%s: no endpoint descriptor #%d for USB interface\n",
842 device_get_nameunit(sc->dev), i);
843 return ENXIO;
844 }
845
846 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
847 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
848 {
849 sc->rx_ring.usb_ep = ed->bEndpointAddress;
850 }
851 else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
852 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
853 {
854 if (j < RT2870_SOFTC_TX_RING_COUNT)
855 sc->tx_ring[j++].usb_ep = ed->bEndpointAddress;
856 else
857 sc->tx_ring[RT2870_SOFTC_TX_RING_COUNT - 1].usb_ep =
858 ed->bEndpointAddress;
859 }
860 }
861
862 if ((sc->rx_ring.usb_ep == -1) ||
863 ((j != RT2870_SOFTC_TX_RING_COUNT) && (j != RT2870_SOFTC_TX_RING_COUNT - 2)))
864 {
865 printf("%s: missing USB endpoints\n",
866 device_get_nameunit(sc->dev));
867 return ENXIO;
868 }
869
870 return 0;
871 }
872
873 /*
874 * rt2870_init_channels
875 */
876 static void rt2870_init_channels(struct rt2870_softc *sc)
877 {
878 struct ieee80211com *ic;
879 struct ieee80211_channel *c;
880 int i, flags;
881
882 ic = &sc->ic;
883
884 /* set supported channels for 2GHz band */
885
886 for (i = 1; i <= 14; i++)
887 {
888 c = &ic->ic_channels[ic->ic_nchans++];
889 flags = IEEE80211_CHAN_B;
890
891 c->ic_freq = ieee80211_ieee2mhz(i, flags);
892 c->ic_ieee = i;
893 c->ic_flags = flags;
894
895 c = &ic->ic_channels[ic->ic_nchans++];
896 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
897
898 c->ic_freq = ieee80211_ieee2mhz(i, flags);
899 c->ic_ieee = i;
900 c->ic_flags = flags;
901
902 c = &ic->ic_channels[ic->ic_nchans++];
903 flags = IEEE80211_CHAN_G;
904
905 c->ic_freq = ieee80211_ieee2mhz(i, flags);
906 c->ic_ieee = i;
907 c->ic_flags = flags;
908
909 c = &ic->ic_channels[ic->ic_nchans++];
910 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
911
912 c->ic_freq = ieee80211_ieee2mhz(i, flags);
913 c->ic_ieee = i;
914 c->ic_flags = flags;
915 }
916
917 /* set supported channels for 5GHz band */
918
919 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
920 sc->rf_rev == RT2870_EEPROM_RF_2750)
921 {
922 for (i = 36; i <= 64; i += 4)
923 {
924 c = &ic->ic_channels[ic->ic_nchans++];
925 flags = IEEE80211_CHAN_A;
926
927 c->ic_freq = ieee80211_ieee2mhz(i, flags);
928 c->ic_ieee = i;
929 c->ic_flags = flags;
930
931 c = &ic->ic_channels[ic->ic_nchans++];
932 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
933
934 c->ic_freq = ieee80211_ieee2mhz(i, flags);
935 c->ic_ieee = i;
936 c->ic_flags = flags;
937 }
938
939 for (i = 100; i <= 140; i += 4)
940 {
941 c = &ic->ic_channels[ic->ic_nchans++];
942 flags = IEEE80211_CHAN_A;
943
944 c->ic_freq = ieee80211_ieee2mhz(i, flags);
945 c->ic_ieee = i;
946 c->ic_flags = flags;
947
948 c = &ic->ic_channels[ic->ic_nchans++];
949 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
950
951 c->ic_freq = ieee80211_ieee2mhz(i, flags);
952 c->ic_ieee = i;
953 c->ic_flags = flags;
954 }
955
956 for (i = 149; i <= 165; i += 4)
957 {
958 c = &ic->ic_channels[ic->ic_nchans++];
959 flags = IEEE80211_CHAN_A;
960
961 c->ic_freq = ieee80211_ieee2mhz(i, flags);
962 c->ic_ieee = i;
963 c->ic_flags = flags;
964
965 c = &ic->ic_channels[ic->ic_nchans++];
966 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
967
968 c->ic_freq = ieee80211_ieee2mhz(i, flags);
969 c->ic_ieee = i;
970 c->ic_flags = flags;
971 }
972 }
973 }
974
975 /*
976 * rt2870_init_channels_ht40
977 */
978 static void rt2870_init_channels_ht40(struct rt2870_softc *sc)
979 {
980 struct ieee80211com *ic;
981 struct ieee80211_channel *c, *cent, *ext;
982 int i, flags;
983
984 ic = &sc->ic;
985
986 /* set supported channels for 2GHz band */
987
988 for (i = 1; i <= 14; i++)
989 {
990 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
991
992 /* find the center channel */
993
994 cent = ieee80211_find_channel_byieee(ic, i,
995 flags & ~IEEE80211_CHAN_HT);
996 if (cent == NULL)
997 {
998 printf("%s: skip channel %d, could not find center channel\n",
999 device_get_nameunit(sc->dev), i);
1000 continue;
1001 }
1002
1003 /* find the extension channel */
1004
1005 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1006 flags & ~IEEE80211_CHAN_HT);
1007 if (ext == NULL)
1008 {
1009 printf("%s: skip channel %d, could not find extension channel\n",
1010 device_get_nameunit(sc->dev), i);
1011 continue;
1012 }
1013
1014 c = &ic->ic_channels[ic->ic_nchans++];
1015
1016 *c = *cent;
1017 c->ic_extieee = ext->ic_ieee;
1018 c->ic_flags &= ~IEEE80211_CHAN_HT;
1019 c->ic_flags |= IEEE80211_CHAN_HT40U;
1020
1021 c = &ic->ic_channels[ic->ic_nchans++];
1022
1023 *c = *ext;
1024 c->ic_extieee = cent->ic_ieee;
1025 c->ic_flags &= ~IEEE80211_CHAN_HT;
1026 c->ic_flags |= IEEE80211_CHAN_HT40D;
1027 }
1028
1029 /* set supported channels for 5GHz band */
1030
1031 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
1032 sc->rf_rev == RT2870_EEPROM_RF_2750)
1033 {
1034 for (i = 36; i <= 64; i += 4)
1035 {
1036 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1037
1038 /* find the center channel */
1039
1040 cent = ieee80211_find_channel_byieee(ic, i,
1041 flags & ~IEEE80211_CHAN_HT);
1042 if (cent == NULL)
1043 {
1044 printf("%s: skip channel %d, could not find center channel\n",
1045 device_get_nameunit(sc->dev), i);
1046 continue;
1047 }
1048
1049 /* find the extension channel */
1050
1051 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1052 flags & ~IEEE80211_CHAN_HT);
1053 if (ext == NULL)
1054 {
1055 printf("%s: skip channel %d, could not find extension channel\n",
1056 device_get_nameunit(sc->dev), i);
1057 continue;
1058 }
1059
1060 c = &ic->ic_channels[ic->ic_nchans++];
1061
1062 *c = *cent;
1063 c->ic_extieee = ext->ic_ieee;
1064 c->ic_flags &= ~IEEE80211_CHAN_HT;
1065 c->ic_flags |= IEEE80211_CHAN_HT40U;
1066
1067 c = &ic->ic_channels[ic->ic_nchans++];
1068
1069 *c = *ext;
1070 c->ic_extieee = cent->ic_ieee;
1071 c->ic_flags &= ~IEEE80211_CHAN_HT;
1072 c->ic_flags |= IEEE80211_CHAN_HT40D;
1073 }
1074
1075 for (i = 100; i <= 140; i += 4)
1076 {
1077 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1078
1079 /* find the center channel */
1080
1081 cent = ieee80211_find_channel_byieee(ic, i,
1082 flags & ~IEEE80211_CHAN_HT);
1083 if (cent == NULL)
1084 {
1085 printf("%s: skip channel %d, could not find center channel\n",
1086 device_get_nameunit(sc->dev), i);
1087 continue;
1088 }
1089
1090 /* find the extension channel */
1091
1092 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1093 flags & ~IEEE80211_CHAN_HT);
1094 if (ext == NULL)
1095 {
1096 printf("%s: skip channel %d, could not find extension channel\n",
1097 device_get_nameunit(sc->dev), i);
1098 continue;
1099 }
1100
1101 c = &ic->ic_channels[ic->ic_nchans++];
1102
1103 *c = *cent;
1104 c->ic_extieee = ext->ic_ieee;
1105 c->ic_flags &= ~IEEE80211_CHAN_HT;
1106 c->ic_flags |= IEEE80211_CHAN_HT40U;
1107
1108 c = &ic->ic_channels[ic->ic_nchans++];
1109
1110 *c = *ext;
1111 c->ic_extieee = cent->ic_ieee;
1112 c->ic_flags &= ~IEEE80211_CHAN_HT;
1113 c->ic_flags |= IEEE80211_CHAN_HT40D;
1114 }
1115
1116 for (i = 149; i <= 165; i += 4)
1117 {
1118 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1119
1120 /* find the center channel */
1121
1122 cent = ieee80211_find_channel_byieee(ic, i,
1123 flags & ~IEEE80211_CHAN_HT);
1124 if (cent == NULL)
1125 {
1126 printf("%s: skip channel %d, could not find center channel\n",
1127 device_get_nameunit(sc->dev), i);
1128 continue;
1129 }
1130
1131 /* find the extension channel */
1132
1133 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1134 flags & ~IEEE80211_CHAN_HT);
1135 if (ext == NULL)
1136 {
1137 printf("%s: skip channel %d, could not find extension channel\n",
1138 device_get_nameunit(sc->dev), i);
1139 continue;
1140 }
1141
1142 c = &ic->ic_channels[ic->ic_nchans++];
1143
1144 *c = *cent;
1145 c->ic_extieee = ext->ic_ieee;
1146 c->ic_flags &= ~IEEE80211_CHAN_HT;
1147 c->ic_flags |= IEEE80211_CHAN_HT40U;
1148
1149 c = &ic->ic_channels[ic->ic_nchans++];
1150
1151 *c = *ext;
1152 c->ic_extieee = cent->ic_ieee;
1153 c->ic_flags &= ~IEEE80211_CHAN_HT;
1154 c->ic_flags |= IEEE80211_CHAN_HT40D;
1155 }
1156 }
1157 }
1158
1159 /*
1160 * rt2870_init_locked
1161 */
1162 static void rt2870_init_locked(void *priv)
1163 {
1164 struct rt2870_softc *sc;
1165 struct ieee80211com *ic;
1166 struct ifnet *ifp;
1167 struct rt2870_softc_rx_data *data;
1168 int ntries, error, i;
1169 uint32_t tmp, stacnt[6];
1170
1171 sc = priv;
1172 ic = &sc->ic;
1173 ifp = ic->ic_ifp;
1174
1175 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1176 "%s: initializing\n",
1177 device_get_nameunit(sc->dev));
1178
1179 if (!(sc->flags & RT2870_SOFTC_FLAGS_UCODE_LOADED))
1180 {
1181 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1182 "%s: loading 8051 microcode\n",
1183 device_get_nameunit(sc->dev));
1184
1185 error = rt2870_io_mcu_load_ucode(sc, rt2870_ucode, sizeof(rt2870_ucode));
1186 if (error != 0)
1187 {
1188 printf("%s: could not load 8051 microcode\n",
1189 device_get_nameunit(sc->dev));
1190 goto fail;
1191 }
1192
1193 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1194 "%s: 8051 microcode was successfully loaded\n",
1195 device_get_nameunit(sc->dev));
1196
1197 sc->flags |= RT2870_SOFTC_FLAGS_UCODE_LOADED;
1198 }
1199
1200 /* wait while DMA engine is busy */
1201
1202 for (ntries = 0; ntries < 100; ntries++)
1203 {
1204 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
1205 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
1206 break;
1207
1208 DELAY(1000);
1209 }
1210
1211 if (ntries == 100)
1212 {
1213 printf("%s: timeout waiting for DMA engine\n",
1214 device_get_nameunit(sc->dev));
1215 goto fail;
1216 }
1217
1218 tmp &= 0xff0;
1219 tmp |= RT2870_REG_TX_WB_DDONE;
1220
1221 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1222
1223 /* PBF hardware reset */
1224
1225 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_SYS_CTRL);
1226
1227 tmp &= ~(1 << 13);
1228
1229 rt2870_io_mac_write(sc, RT2870_REG_PBF_SYS_CTRL, tmp);
1230
1231 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1232 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1233
1234 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1235
1236 rt2870_io_mcu_reset(sc);
1237
1238 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1239
1240 /* init Tx power per rate */
1241
1242 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
1243 {
1244 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1245 continue;
1246
1247 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i),
1248 sc->txpow_rate_20mhz[i]);
1249 }
1250
1251 for (i = 0; i < RT2870_DEF_MAC_SIZE; i++)
1252 rt2870_io_mac_write(sc, rt2870_def_mac[i].reg,
1253 rt2870_def_mac[i].val);
1254
1255 /* wait while MAC is busy */
1256
1257 for (ntries = 0; ntries < 100; ntries++)
1258 {
1259 if (!(rt2870_io_mac_read(sc, RT2870_REG_STATUS_CFG) &
1260 (RT2870_REG_STATUS_TX_BUSY | RT2870_REG_STATUS_RX_BUSY)))
1261 break;
1262
1263 DELAY(1000);
1264 }
1265
1266 if (ntries == 100)
1267 {
1268 printf("%s: timeout waiting for MAC\n",
1269 device_get_nameunit(sc->dev));
1270 goto fail;
1271 }
1272
1273 /* clear Host to MCU mailbox */
1274
1275 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX_BBP_AGENT, 0);
1276 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX, 0);
1277
1278 DELAY(1000);
1279
1280 error = rt2870_init_bbp(sc);
1281 if (error != 0)
1282 goto fail;
1283
1284 /* set up maximum buffer sizes */
1285
1286 tmp = (1 << 12) | RT2870_MAX_AGG_SIZE;
1287
1288 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1289 {
1290 tmp &= 0xfff;
1291 tmp |= 0x2000;
1292 }
1293
1294 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1295
1296 /* set mac address */
1297
1298 IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp));
1299
1300 rt2870_asic_set_macaddr(sc, ic->ic_myaddr);
1301
1302 /* clear statistic registers */
1303
1304 rt2870_io_mac_read_multi(sc, RT2870_REG_RX_STA_CNT0,
1305 stacnt, sizeof(stacnt));
1306
1307 /* send LEDs operating mode to microcontroller */
1308
1309 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED1,
1310 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1311 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED2,
1312 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1313 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED3,
1314 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1315
1316 /* write vendor-specific BBP values (from EEPROM) */
1317
1318 for (i = 0; i < RT2870_SOFTC_BBP_EEPROM_COUNT; i++)
1319 {
1320 if (sc->bbp_eeprom[i].reg == 0x00 ||
1321 sc->bbp_eeprom[i].reg == 0xff)
1322 continue;
1323
1324 rt2870_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1325 sc->bbp_eeprom[i].val);
1326 }
1327
1328 /* disable non-existing Rx chains */
1329
1330 tmp = rt2870_io_bbp_read(sc, 3);
1331
1332 tmp &= ~((1 << 4) | (1 << 3));
1333
1334 if (sc->nrxpath == 3)
1335 tmp |= (1 << 4);
1336 else if (sc->nrxpath == 2)
1337 tmp |= (1 << 3);
1338
1339 rt2870_io_bbp_write(sc, 3, tmp);
1340
1341 /* disable non-existing Tx chains */
1342
1343 tmp = rt2870_io_bbp_read(sc, 1);
1344
1345 if (sc->ntxpath == 1)
1346 tmp &= ~((1 << 4) | (1 << 3));
1347
1348 rt2870_io_bbp_write(sc, 1, tmp);
1349
1350 tmp = rt2870_io_bbp_read(sc, 4);
1351
1352 tmp &= ~0x18;
1353
1354 rt2870_io_bbp_write(sc, 4, tmp);
1355
1356 /* set current channel */
1357
1358 rt2870_rf_set_chan(sc, ic->ic_curchan);
1359
1360 /* turn radio LED on */
1361
1362 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON);
1363
1364 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_BOOT,
1365 RT2870_REG_H2M_TOKEN_NO_INTR, 0);
1366
1367 /* set RTS threshold */
1368
1369 rt2870_asic_update_rtsthreshold(sc);
1370
1371 /* set Tx power */
1372
1373 rt2870_asic_update_txpower(sc);
1374
1375 /* set up protection mode */
1376
1377 rt2870_asic_updateprot(sc);
1378
1379 /* clear key tables */
1380
1381 rt2870_asic_clear_keytables(sc);
1382
1383 /* enable Tx/Rx DMA engine */
1384
1385 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_USB_CYC_CFG);
1386
1387 tmp &= 0xffffff00;
1388 tmp |= 0x1e;
1389
1390 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_CYC_CFG, tmp);
1391
1392 if ((sc->mac_rev & 0xffff) != 0x0101)
1393 rt2870_io_mac_write(sc, RT2870_REG_TX_TXOP_CTRL_CFG, 0x583f);
1394
1395 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, RT2870_REG_TX_ENABLE);
1396
1397 for (ntries = 0; ntries < 200; ntries++)
1398 {
1399 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
1400 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
1401 break;
1402
1403 DELAY(1000);
1404 }
1405
1406 if (ntries == 200)
1407 {
1408 printf("%s: timeout waiting for DMA engine\n",
1409 device_get_nameunit(sc->dev));
1410 goto fail;
1411 }
1412
1413 DELAY(50);
1414
1415 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1416 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
1417 (48 << 16) | 96);
1418
1419 tmp |= RT2870_REG_TX_WB_DDONE |
1420 RT2870_REG_RX_DMA_ENABLE |
1421 RT2870_REG_TX_DMA_ENABLE;
1422
1423 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1424
1425 tmp = RT2870_REG_USB_DMA_TX_ENABLE |
1426 RT2870_REG_USB_DMA_RX_ENABLE |
1427 RT2870_REG_USB_DMA_RX_AGG_ENABLE |
1428 /* Rx agg limit in unit of 1024 byte */
1429 ((RT2870_USB_RX_BULK_BUFLEN / 1024 - 3) << RT2870_REG_USB_DMA_RX_AGG_LIMIT_SHIFT) |
1430 /* Rx agg timeout in unit of 33ns */
1431 0x80;
1432
1433 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, tmp);
1434
1435 /* set Rx filter */
1436
1437 tmp = RT2870_REG_RX_FILTER_DROP_CRC_ERR |
1438 RT2870_REG_RX_FILTER_DROP_PHY_ERR;
1439
1440 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1441 {
1442 tmp |= RT2870_REG_RX_FILTER_DROP_DUPL |
1443 RT2870_REG_RX_FILTER_DROP_CTS |
1444 RT2870_REG_RX_FILTER_DROP_BA |
1445 RT2870_REG_RX_FILTER_DROP_ACK |
1446 RT2870_REG_RX_FILTER_DROP_VER_ERR |
1447 RT2870_REG_RX_FILTER_DROP_CTRL_RSV |
1448 RT2870_REG_RX_FILTER_DROP_CFACK |
1449 RT2870_REG_RX_FILTER_DROP_CFEND;
1450
1451 if (ic->ic_opmode == IEEE80211_M_STA)
1452 tmp |= RT2870_REG_RX_FILTER_DROP_RTS |
1453 RT2870_REG_RX_FILTER_DROP_PSPOLL;
1454
1455 if (!(ifp->if_flags & IFF_PROMISC))
1456 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
1457 }
1458
1459 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
1460
1461 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1462 RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
1463
1464 /* clear garbage interrupts */
1465
1466 tmp = rt2870_io_mac_read(sc, 0x1300);
1467
1468 taskqueue_unblock(sc->taskqueue);
1469
1470 /* init Tx and Rx rings */
1471
1472 for(i = 0; i < sc->usb_endpoints - 1; i++)
1473 rt2870_reset_tx_ring(sc, &sc->tx_ring[i]);
1474
1475 rt2870_reset_rx_ring(sc, &sc->rx_ring);
1476
1477 rt2870_reset_cmd_ring(sc, &sc->cmd_ring);
1478
1479 /* start up the receive pipe */
1480
1481 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
1482 {
1483 data = &sc->rx_ring.data[i];
1484
1485 STAILQ_INSERT_TAIL(&sc->rx_ring.active, data, next);
1486
1487 usbd_setup_xfer(data->xfer, sc->rx_ring.usb_pipe, sc, data->buf,
1488 RT2870_USB_RX_BULK_BUFLEN, USBD_SHORT_XFER_OK | USBD_NO_COPY,
1489 USBD_NO_TIMEOUT, rt2870_rx_intr);
1490
1491 usbd_transfer(data->xfer);
1492 }
1493
1494 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1495 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1496
1497 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1498 {
1499 if (ic->ic_roaming != IEEE80211_ROAMING_MANUAL)
1500 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
1501 }
1502 else
1503 {
1504 ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
1505 }
1506
1507 sc->periodic_round = 0;
1508
1509 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
1510
1511 return;
1512
1513 fail:
1514
1515 rt2870_stop_locked(sc);
1516 }
1517
1518 /*
1519 * rt2870_init
1520 */
1521 static void rt2870_init(void *priv)
1522 {
1523 struct rt2870_softc *sc;
1524
1525 sc = priv;
1526
1527 rt2870_init_locked(sc);
1528 }
1529
1530 /*
1531 * rt2870_init_bbp
1532 */
1533 static int rt2870_init_bbp(struct rt2870_softc *sc)
1534 {
1535 int ntries, i;
1536 uint8_t tmp;
1537
1538 for (ntries = 0; ntries < 20; ntries++)
1539 {
1540 tmp = rt2870_io_bbp_read(sc, 0);
1541 if (tmp != 0x00 && tmp != 0xff)
1542 break;
1543 }
1544
1545 if (tmp == 0x00 || tmp == 0xff)
1546 {
1547 printf("%s: timeout waiting for BBP to wakeup\n",
1548 device_get_nameunit(sc->dev));
1549 return ETIMEDOUT;
1550 }
1551
1552 for (i = 0; i < RT2870_DEF_BBP_SIZE; i++)
1553 rt2870_io_bbp_write(sc, rt2870_def_bbp[i].reg,
1554 rt2870_def_bbp[i].val);
1555
1556 if ((sc->mac_rev & 0xffff) != 0x0101)
1557 rt2870_io_bbp_write(sc, 84, 0x19);
1558
1559 return 0;
1560 }
1561
1562 /*
1563 * rt2870_stop
1564 */
1565 static void rt2870_stop_locked(void *priv)
1566 {
1567 struct rt2870_softc *sc;
1568 struct ieee80211com *ic;
1569 struct ifnet *ifp;
1570 uint32_t tmp;
1571 int i;
1572
1573 sc = priv;
1574 ic = &sc->ic;
1575 ifp = ic->ic_ifp;
1576
1577 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1578 "%s: stopping\n",
1579 device_get_nameunit(sc->dev));
1580
1581 sc->tx_timer = 0;
1582
1583 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1584 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
1585
1586 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1587
1588 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
1589
1590 callout_stop(&sc->periodic_ch);
1591 callout_stop(&sc->tx_watchdog_ch);
1592
1593 taskqueue_block(sc->taskqueue);
1594
1595 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1596 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1597 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1598 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
1599
1600 /* clear key tables */
1601
1602 rt2870_asic_clear_keytables(sc);
1603
1604 /* disable Tx/Rx */
1605
1606 tmp = rt2870_io_mac_read(sc, RT2870_REG_SYS_CTRL);
1607
1608 tmp &= ~(RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
1609
1610 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, tmp);
1611
1612 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1613
1614 /* reset adapter */
1615
1616 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1617 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1618 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1619
1620 /* abort any pending transfers */
1621
1622 if (sc->rx_ring.usb_pipe != NULL)
1623 usbd_abort_pipe(sc->rx_ring.usb_pipe);
1624
1625 for (i = 0; i < sc->usb_endpoints - 1; i++)
1626 if (sc->tx_ring[i].usb_pipe != NULL)
1627 usbd_abort_pipe(sc->tx_ring[i].usb_pipe);
1628 }
1629
1630 /*
1631 * rt2870_stop
1632 */
1633 static void rt2870_stop(void *priv)
1634 {
1635 struct rt2870_softc *sc;
1636
1637 sc = priv;
1638
1639 rt2870_stop_locked(sc);
1640 }
1641
1642 /*
1643 * rt2870_start
1644 */
1645 static void rt2870_start(struct ifnet *ifp)
1646 {
1647 struct rt2870_softc *sc;
1648 struct ieee80211com *ic;
1649 struct ieee80211_node *ni;
1650 struct ether_header *eh;
1651 struct mbuf *m;
1652 int qid;
1653
1654 sc = ifp->if_softc;
1655 ic = &sc->ic;
1656
1657 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1658 return;
1659
1660 for (;;)
1661 {
1662 IF_POLL(&ic->ic_mgtq, m);
1663 if (m != NULL)
1664 {
1665 if (sc->tx_ring[sc->tx_ring_mgtqid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1666 {
1667 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1668 "%s: if_start: Tx ring with qid=%d is full\n",
1669 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
1670
1671 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1672 break;
1673 }
1674
1675 IF_DEQUEUE(&ic->ic_mgtq, m);
1676
1677 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1678 m->m_pkthdr.rcvif = NULL;
1679
1680 if (bpf_peers_present(ic->ic_rawbpf))
1681 bpf_mtap(ic->ic_rawbpf, m);
1682
1683 if (rt2870_tx_frame(sc, m, ni, sc->tx_ring_mgtqid) != 0)
1684 break;
1685 }
1686 else
1687 {
1688 if (ic->ic_state != IEEE80211_S_RUN)
1689 break;
1690
1691 IF_POLL(&ifp->if_snd, m);
1692 if (m == NULL)
1693 break;
1694
1695 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1696
1697 if (ic->ic_flags & IEEE80211_F_SCAN)
1698 ieee80211_cancel_scan(ic);
1699
1700 if (m->m_len < sizeof(struct ether_header) &&
1701 !(m = m_pullup(m, sizeof (struct ether_header))))
1702 continue;
1703
1704 eh = mtod(m, struct ether_header *);
1705
1706 ni = ieee80211_find_txnode(ic, eh->ether_dhost);
1707 if (ni == NULL)
1708 {
1709 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1710 "%s: if_start: could not find Tx node\n",
1711 device_get_nameunit(sc->dev));
1712
1713 m_freem(m);
1714 continue;
1715 }
1716
1717 ieee80211_classify(ic, m, ni);
1718
1719 qid = M_WME_GETAC(m);
1720
1721 if (sc->tx_ring[qid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1722 {
1723 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1724 "%s: if_start: Tx ring with qid=%d is full\n",
1725 device_get_nameunit(sc->dev), qid);
1726
1727 m_freem(m);
1728 ieee80211_free_node(ni);
1729 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1730 ifp->if_oerrors++;
1731 break;
1732 }
1733
1734 BPF_MTAP(ifp, m);
1735
1736 m = ieee80211_encap(ic, m, ni);
1737 if (m == NULL)
1738 {
1739 ieee80211_free_node(ni);
1740 ifp->if_oerrors++;
1741 continue;
1742 }
1743
1744 if (bpf_peers_present(ic->ic_rawbpf))
1745 bpf_mtap(ic->ic_rawbpf, m);
1746
1747 if (rt2870_tx_frame(sc, m, ni, qid) != 0)
1748 {
1749 ieee80211_free_node(ni);
1750 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1751 ifp->if_oerrors++;
1752 break;
1753 }
1754 }
1755
1756 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
1757
1758 ic->ic_lastdata = ticks;
1759
1760 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
1761 }
1762 }
1763
1764 /*
1765 * rt2870_ioctl
1766 */
1767 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1768 {
1769 struct rt2870_softc *sc;
1770 struct ieee80211com *ic;
1771 int error;
1772
1773 sc = ifp->if_softc;
1774 ic = &sc->ic;
1775
1776 error = 0;
1777
1778 switch (cmd)
1779 {
1780 case SIOCSIFFLAGS:
1781 if (ifp->if_flags & IFF_UP)
1782 {
1783 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1784 {
1785 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1786 rt2870_asic_update_promisc(sc);
1787 }
1788 else
1789 {
1790 rt2870_init_locked(sc);
1791 }
1792 }
1793 else
1794 {
1795 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1796 rt2870_stop_locked(sc);
1797 }
1798
1799 sc->if_flags = ifp->if_flags;
1800 break;
1801
1802 default:
1803 error = ieee80211_ioctl(ic, cmd, data);
1804 }
1805
1806 if (error == ENETRESET)
1807 {
1808 if ((ifp->if_flags & IFF_UP) &&
1809 (ifp->if_drv_flags & IFF_DRV_RUNNING) &&
1810 (ic->ic_roaming != IEEE80211_ROAMING_MANUAL))
1811 {
1812 rt2870_stop_locked(sc);
1813 rt2870_init_locked(sc);
1814 }
1815
1816 error = 0;
1817 }
1818
1819 return error;
1820 }
1821
1822 /*
1823 * rt2870_reset
1824 */
1825 static int rt2870_reset(struct ifnet *ifp)
1826 {
1827 struct rt2870_softc *sc;
1828 struct ieee80211com *ic;
1829
1830 sc = ifp->if_softc;
1831 ic = &sc->ic;
1832
1833 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1834 return ENETRESET;
1835
1836 rt2870_rf_set_chan(sc, ic->ic_curchan);
1837
1838 return 0;
1839 }
1840
1841 /*
1842 * rt2870_newstate
1843 */
1844 static int rt2870_newstate(struct ieee80211com *ic,
1845 enum ieee80211_state nstate, int arg)
1846 {
1847 struct rt2870_softc *sc;
1848 struct ifnet *ifp;
1849 struct rt2870_cmd_argv_newstate cmd_argv;
1850
1851 ifp = ic->ic_ifp;
1852 sc = ifp->if_softc;
1853
1854 cmd_argv.nstate = nstate;
1855 cmd_argv.arg = arg;
1856
1857 rt2870_do_async(sc, rt2870_newstate_cb, &cmd_argv,
1858 sizeof(struct rt2870_cmd_argv_newstate));
1859
1860 return 0;
1861 }
1862
1863 /*
1864 * rt2870_scan_start
1865 */
1866 static void rt2870_scan_start(struct ieee80211com *ic)
1867 {
1868 struct rt2870_softc *sc;
1869 struct ifnet *ifp;
1870
1871 ifp = ic->ic_ifp;
1872 sc = ifp->if_softc;
1873
1874 rt2870_do_async(sc, rt2870_scan_start_cb, NULL, 0);
1875 }
1876
1877 /*
1878 * rt2870_scan_end
1879 */
1880 static void rt2870_scan_end(struct ieee80211com *ic)
1881 {
1882 struct rt2870_softc *sc;
1883 struct ifnet *ifp;
1884
1885 ifp = ic->ic_ifp;
1886 sc = ifp->if_softc;
1887
1888 rt2870_do_async(sc, rt2870_scan_end_cb, NULL, 0);
1889 }
1890
1891 /*
1892 * rt2870_set_channel
1893 */
1894 static void rt2870_set_channel(struct ieee80211com *ic)
1895 {
1896 struct rt2870_softc *sc;
1897 struct ifnet *ifp;
1898
1899 ifp = ic->ic_ifp;
1900 sc = ifp->if_softc;
1901
1902 rt2870_do_async(sc, rt2870_set_channel_cb, NULL, 0);
1903 }
1904
1905 /*
1906 * rt2870_newassoc
1907 */
1908 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew)
1909 {
1910 struct rt2870_softc *sc;
1911 struct ieee80211com *ic;
1912 struct ifnet *ifp;
1913 struct rt2870_cmd_argv_newassoc cmd_argv;
1914
1915 ic = ni->ni_ic;
1916 ifp = ic->ic_ifp;
1917 sc = ifp->if_softc;
1918
1919 cmd_argv.associd = (ni != NULL) ? ni->ni_associd : 0;
1920 cmd_argv.isnew = isnew;
1921 memcpy(cmd_argv.macaddr, ni->ni_macaddr, IEEE80211_ADDR_LEN);
1922
1923 rt2870_do_async(sc, rt2870_newassoc_cb, &cmd_argv,
1924 sizeof(struct rt2870_cmd_argv_newassoc));
1925 }
1926
1927 /*
1928 * rt2870_updateslot
1929 */
1930 static void rt2870_updateslot(struct ifnet *ifp)
1931 {
1932 struct rt2870_softc *sc;
1933
1934 sc = ifp->if_softc;
1935
1936 rt2870_do_async(sc, rt2870_updateslot_cb, NULL, 0);
1937 }
1938
1939 /*
1940 * rt2870_wme_update
1941 */
1942 static int rt2870_wme_update(struct ieee80211com *ic)
1943 {
1944 struct rt2870_softc *sc;
1945 struct ifnet *ifp;
1946
1947 ifp = ic->ic_ifp;
1948 sc = ifp->if_softc;
1949
1950 rt2870_do_async(sc, rt2870_wme_update_cb, NULL, 0);
1951
1952 return 0;
1953 }
1954
1955 /*
1956 * rt2870_update_beacon
1957 */
1958 static void rt2870_update_beacon(struct ieee80211com *ic, int what)
1959 {
1960 struct rt2870_softc *sc;
1961 struct ifnet *ifp;
1962 struct rt2870_cmd_argv_updatebeacon cmd_argv;
1963
1964 ifp = ic->ic_ifp;
1965 sc = ifp->if_softc;
1966
1967 cmd_argv.what = what;
1968
1969 rt2870_do_async(sc, rt2870_update_beacon_cb, &cmd_argv,
1970 sizeof(struct rt2870_cmd_argv_updatebeacon));
1971 }
1972
1973 /*
1974 * rt2870_key_update_begin
1975 */
1976 static void rt2870_key_update_begin(struct ieee80211com *ic)
1977 {
1978 struct rt2870_softc *sc;
1979 struct ifnet *ifp;
1980
1981 ifp = ic->ic_ifp;
1982 sc = ifp->if_softc;
1983
1984 rt2870_do_async(sc, rt2870_key_update_begin_cb, NULL, 0);
1985 }
1986
1987 /*
1988 * rt2870_key_update_end
1989 */
1990 static void rt2870_key_update_end(struct ieee80211com *ic)
1991 {
1992 struct rt2870_softc *sc;
1993 struct ifnet *ifp;
1994
1995 ifp = ic->ic_ifp;
1996 sc = ifp->if_softc;
1997
1998 rt2870_do_async(sc, rt2870_key_update_end_cb, NULL, 0);
1999 }
2000
2001 /*
2002 * rt2870_key_set
2003 */
2004 static int rt2870_key_set(struct ieee80211com *ic,
2005 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2006 {
2007 struct rt2870_softc *sc;
2008 struct ifnet *ifp;
2009 struct ieee80211_node *ni;
2010 struct rt2870_cmd_argv_keyset cmd_argv;
2011
2012 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2013 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2014 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2015 return EINVAL;
2016
2017 ifp = ic->ic_ifp;
2018 sc = ifp->if_softc;
2019
2020 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2021 ni = ic->ic_bss;
2022 else
2023 ni = ieee80211_find_node(&ic->ic_sta, mac);
2024
2025 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2026 cmd_argv.associd = (ni != NULL) ? ni->ni_associd : 0;
2027
2028 if ((ic->ic_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2029 ieee80211_free_node(ni);
2030
2031 rt2870_do_async(sc, rt2870_key_set_cb, &cmd_argv,
2032 sizeof(struct rt2870_cmd_argv_keyset));
2033
2034 return 1;
2035 }
2036
2037 /*
2038 * rt2870_key_delete
2039 */
2040 static int rt2870_key_delete(struct ieee80211com *ic,
2041 const struct ieee80211_key *k)
2042 {
2043 struct rt2870_softc *sc;
2044 struct ifnet *ifp;
2045 struct ieee80211_node *ni;
2046 struct rt2870_cmd_argv_keydelete cmd_argv;
2047
2048 ifp = ic->ic_ifp;
2049 sc = ifp->if_softc;
2050 ni = ic->ic_bss;
2051
2052 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2053 cmd_argv.associd = (ni != NULL) ? ni->ni_associd : 0;
2054
2055 rt2870_do_async(sc, rt2870_key_delete_cb, &cmd_argv,
2056 sizeof(struct rt2870_cmd_argv_keydelete));
2057
2058 return 1;
2059 }
2060
2061 /*
2062 * rt2870_raw_xmit
2063 */
2064 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2065 const struct ieee80211_bpf_params *params)
2066 {
2067 struct ieee80211com *ic;
2068 struct ifnet *ifp;
2069 struct rt2870_softc *sc;
2070
2071 ic = ni->ni_ic;
2072 ifp = ic->ic_ifp;
2073 sc = ifp->if_softc;
2074
2075 return 0;
2076 }
2077
2078 /*
2079 * rt2870_media_change
2080 */
2081 static int rt2870_media_change(struct ifnet *ifp)
2082 {
2083 struct rt2870_softc *sc;
2084 int error;
2085
2086 sc = ifp->if_softc;
2087
2088 error = ieee80211_media_change(ifp);
2089 if (error != ENETRESET)
2090 return error;
2091
2092 if ((ifp->if_flags & IFF_UP) && (ifp->if_drv_flags & IFF_DRV_RUNNING))
2093 {
2094 rt2870_stop(sc);
2095 rt2870_init(sc);
2096 }
2097
2098 return 0;
2099 }
2100
2101 /*
2102 * rt2870_recv_action
2103 */
2104 static void rt2870_recv_action(struct ieee80211_node *ni,
2105 const uint8_t *frm, const uint8_t *efrm)
2106 {
2107 struct rt2870_softc *sc;
2108 struct ieee80211com *ic;
2109 struct ifnet *ifp;
2110 const struct ieee80211_action *ia;
2111 uint16_t associd, baparamset;
2112 uint8_t wcid;
2113 int tid;
2114 uint32_t tmp;
2115
2116 ic = ni->ni_ic;
2117 ifp = ic->ic_ifp;
2118 sc = ifp->if_softc;
2119
2120 ia = (const struct ieee80211_action *) frm;
2121
2122 sc->recv_action(ni, frm, efrm);
2123
2124 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2125 return;
2126
2127 associd = (ni != NULL) ? ni->ni_associd : 0;
2128 wcid = RT2870_AID2WCID(associd);
2129
2130 switch (ia->ia_action)
2131 {
2132 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2133 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2134 baparamset = LE_READ_2(frm + 3);
2135 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2136
2137 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2138 "%s: adding A-MPDU Rx block ACK: associd=0x%04x, tid=%d\n",
2139 device_get_nameunit(sc->dev), associd, tid);
2140
2141 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2142
2143 tmp |= (0x10000 << tid);
2144
2145 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2146 break;
2147
2148 /* IEEE80211_ACTION_BA_DELBA */
2149 case IEEE80211_ACTION_BA_DELBA:
2150 baparamset = LE_READ_2(frm + 2);
2151 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2152
2153 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2154 "%s: deleting A-MPDU Rx block ACK: associd=0x%04x, tid=%d\n",
2155 device_get_nameunit(sc->dev), associd, tid);
2156
2157 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2158
2159 tmp &= ~(0x10000 << tid);
2160
2161 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2162 break;
2163 }
2164 }
2165
2166 /*
2167 * rt2870_send_action
2168 */
2169 static int rt2870_send_action(struct ieee80211_node *ni,
2170 int category, int action, uint16_t args[4])
2171 {
2172 struct rt2870_softc *sc;
2173 struct ieee80211com *ic;
2174 struct ifnet *ifp;
2175 uint16_t associd, baparamset;
2176 uint8_t wcid;
2177 int ret, tid;
2178 uint32_t tmp;
2179
2180 ic = ni->ni_ic;
2181 ifp = ic->ic_ifp;
2182 sc = ifp->if_softc;
2183
2184 ret = sc->send_action(ni, category, action, args);
2185
2186 if (category != IEEE80211_ACTION_CAT_BA)
2187 return ret;
2188
2189 associd = (ni != NULL) ? ni->ni_associd : 0;
2190 wcid = RT2870_AID2WCID(associd);
2191
2192 switch (action)
2193 {
2194 /* IEEE80211_ACTION_BA_DELBA */
2195 case IEEE80211_ACTION_BA_DELBA:
2196 baparamset = RT2870_SM(args[0], IEEE80211_DELBAPS_TID) |
2197 RT2870_SM(args[1], IEEE80211_DELBAPS_INIT);
2198
2199 if (RT2870_MS(baparamset, IEEE80211_DELBAPS_INIT) == IEEE80211_DELBAPS_INIT)
2200 break;
2201
2202 tid = RT2870_MS(baparamset, IEEE80211_DELBAPS_TID);
2203
2204 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2205 "%s: deleting A-MPDU Rx block ACK: associd=0x%04x, tid=%d\n",
2206 device_get_nameunit(sc->dev), associd, tid);
2207
2208 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2209
2210 tmp &= ~(0x10000 << tid);
2211
2212 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2213 break;
2214 }
2215
2216 return ret;
2217 }
2218
2219 /*
2220 * rt2870_amrr_update_iter_func
2221 */
2222 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2223 {
2224 struct rt2870_softc *sc;
2225 struct ieee80211com *ic;
2226 uint8_t wcid;
2227
2228 sc = arg;
2229 ic = &sc->ic;
2230
2231 /* only associated stations */
2232
2233 if (ni->ni_associd != 0)
2234 {
2235 wcid = RT2870_AID2WCID(ni->ni_associd);
2236
2237 rt2870_amrr_choose(ni, &sc->amrr_node[wcid]);
2238
2239 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2240 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2241 device_get_nameunit(sc->dev),
2242 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2243 ni->ni_associd,
2244 (ni->ni_flags & IEEE80211_NODE_HT) ?
2245 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2246 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2247 (ni->ni_flags & IEEE80211_NODE_HT) ?
2248 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2249 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2250 }
2251 }
2252
2253 /*
2254 * rt2870_periodic
2255 */
2256 static void rt2870_periodic(void *arg)
2257 {
2258 struct rt2870_softc *sc;
2259 struct ifnet *ifp;
2260
2261 sc = arg;
2262 ifp = sc->ifp;
2263
2264 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
2265 "%s: periodic\n",
2266 device_get_nameunit(sc->dev));
2267
2268 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2269 return;
2270
2271 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2272 }
2273
2274 /*
2275 * rt2870_tx_watchdog
2276 */
2277 static void rt2870_tx_watchdog(void *arg)
2278 {
2279 struct rt2870_softc *sc;
2280 struct ifnet *ifp;
2281
2282 sc = arg;
2283 ifp = sc->ifp;
2284
2285 if (sc->tx_timer == 0)
2286 return;
2287
2288 if (--sc->tx_timer == 0)
2289 {
2290 printf("%s: Tx watchdog timeout: resetting\n",
2291 device_get_nameunit(sc->dev));
2292
2293 rt2870_stop_locked(sc);
2294 rt2870_init_locked(sc);
2295
2296 ifp->if_oerrors++;
2297
2298 sc->tx_watchdog_timeouts++;
2299 }
2300
2301 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
2302 }
2303
2304 /*
2305 * rt2870_do_async
2306 */
2307 static int rt2870_do_async(struct rt2870_softc *sc,
2308 void (*cb)(struct rt2870_softc *sc, void *arg),
2309 void *arg, int len)
2310 {
2311 struct ifnet *ifp;
2312 struct rt2870_softc_cmd_ring *ring;
2313 struct rt2870_softc_cmd *cmd;
2314 int run_cmd_task;
2315
2316 ifp = sc->ifp;
2317 ring = &sc->cmd_ring;
2318
2319 RT2870_SOFTC_LOCK(sc);
2320
2321 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2322 {
2323 RT2870_SOFTC_UNLOCK(sc);
2324 return -1;
2325 }
2326
2327 if (ring->queued >= RT2870_SOFTC_CMD_RING_CMD_COUNT)
2328 {
2329 RT2870_SOFTC_UNLOCK(sc);
2330 return -1;
2331 }
2332
2333 cmd = STAILQ_FIRST(&ring->inactive);
2334 STAILQ_REMOVE_HEAD(&ring->inactive, next);
2335
2336 cmd->cb = cb;
2337
2338 if(arg != NULL)
2339 memcpy(cmd->data, arg, len);
2340
2341 STAILQ_INSERT_TAIL(&ring->active, cmd, next);
2342 ring->queued++;
2343
2344 run_cmd_task = (ring->queued == 1);
2345
2346 RT2870_SOFTC_UNLOCK(sc);
2347
2348 if (run_cmd_task)
2349 taskqueue_enqueue(sc->taskqueue, &sc->cmd_task);
2350
2351 return 0;
2352 }
2353
2354 /*
2355 * rt2870_newstate_cb
2356 */
2357 static void rt2870_newstate_cb(struct rt2870_softc *sc, void *arg)
2358 {
2359 struct ieee80211com *ic;
2360 enum ieee80211_state nstate;
2361 struct ieee80211_node *ni;
2362 struct rt2870_cmd_argv_newstate *cmd_argv;
2363 int error;
2364
2365 ic = &sc->ic;
2366 cmd_argv = arg;
2367 nstate = cmd_argv->nstate;
2368
2369 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2370 "%s: newstate: %s -> %s\n",
2371 device_get_nameunit(sc->dev),
2372 ieee80211_state_name[ic->ic_state], ieee80211_state_name[nstate]);
2373
2374 error = sc->newstate(ic, nstate, cmd_argv->arg);
2375 if (error != 0)
2376 return;
2377
2378 /* turn link LED off */
2379
2380 if (nstate != IEEE80211_S_RUN)
2381 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
2382
2383 switch (nstate)
2384 {
2385 case IEEE80211_S_INIT:
2386 rt2870_asic_disable_tsf_sync(sc);
2387 break;
2388
2389 case IEEE80211_S_RUN:
2390 ni = ic->ic_bss;
2391
2392 rt2870_rf_set_chan(sc, ni->ni_chan);
2393
2394 if (ic->ic_opmode != IEEE80211_M_MONITOR)
2395 {
2396 rt2870_asic_enable_mrr(sc);
2397 rt2870_asic_set_txpreamble(sc);
2398 rt2870_asic_set_basicrates(sc);
2399 rt2870_asic_set_bssid(sc, ni->ni_bssid);
2400 }
2401
2402 if (ic->ic_opmode == IEEE80211_M_STA)
2403 rt2870_newassoc(ni, 1);
2404
2405 if (ic->ic_opmode == IEEE80211_M_HOSTAP ||
2406 ic->ic_opmode == IEEE80211_M_IBSS)
2407 {
2408 error = rt2870_asic_update_beacon(sc);
2409 if (error != 0)
2410 break;
2411 }
2412
2413 if (ic->ic_opmode != IEEE80211_M_MONITOR)
2414 rt2870_asic_enable_tsf_sync(sc);
2415
2416 /* turn link LED on */
2417
2418 if (ic->ic_opmode != IEEE80211_M_MONITOR)
2419 {
2420 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON |
2421 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2422 RT2870_LED_CMD_LINK_2GHZ : RT2870_LED_CMD_LINK_5GHZ));
2423 }
2424 break;
2425
2426 default:
2427 break;
2428 }
2429 }
2430
2431 /*
2432 * rt2870_scan_start_cb
2433 */
2434 static void rt2870_scan_start_cb(struct rt2870_softc *sc, void *arg)
2435 {
2436 struct ieee80211com *ic;
2437 struct ifnet *ifp;
2438
2439 ic = &sc->ic;
2440 ifp = ic->ic_ifp;
2441
2442 rt2870_asic_disable_tsf_sync(sc);
2443 }
2444
2445 /*
2446 * rt2870_scan_end_cb
2447 */
2448 static void rt2870_scan_end_cb(struct rt2870_softc *sc, void *arg)
2449 {
2450 struct ieee80211com *ic;
2451 struct ieee80211_node *ni;
2452
2453 ic = &sc->ic;
2454 ni = ic->ic_bss;
2455
2456 rt2870_asic_enable_tsf_sync(sc);
2457 }
2458
2459 /*
2460 * rt2870_set_channel_cb
2461 */
2462 static void rt2870_set_channel_cb(struct rt2870_softc *sc, void *arg)
2463 {
2464 struct ieee80211com *ic;
2465
2466 ic = &sc->ic;
2467
2468 RT2870_DPRINTF(sc, RT2870_DEBUG_CHAN,
2469 "%s: set channel: channel=%u, HT%s%s\n",
2470 device_get_nameunit(sc->dev),
2471 ieee80211_chan2ieee(ic, ic->ic_curchan),
2472 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2473 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2474 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2475 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2476
2477 rt2870_rf_set_chan(sc, ic->ic_curchan);
2478 }
2479
2480 /*
2481 * rt2870_newassoc_cb
2482 */
2483 static void rt2870_newassoc_cb(struct rt2870_softc *sc, void *arg)
2484 {
2485 struct ieee80211com *ic;
2486 struct ieee80211_node *ni;
2487 struct rt2870_cmd_argv_newassoc *cmd_argv;
2488 uint16_t associd;
2489 int isnew;
2490 uint8_t *macaddr, wcid;
2491
2492 ic = &sc->ic;
2493 ni = ic->ic_bss;
2494 cmd_argv = arg;
2495 associd = cmd_argv->associd;
2496 isnew = cmd_argv->isnew;
2497 macaddr = cmd_argv->macaddr;
2498
2499 wcid = RT2870_AID2WCID(associd);
2500
2501 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2502 "%s: new association: wcid=0x%02x, "
2503 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2504 device_get_nameunit(sc->dev), wcid,
2505 ether_sprintf(macaddr),
2506 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2507 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2508 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2509
2510 rt2870_io_mac_write_multi(sc, RT2870_REG_WCID(wcid),
2511 macaddr, IEEE80211_ADDR_LEN);
2512
2513 rt2870_amrr_node_init(&sc->amrr, &sc->amrr_node[wcid], ni);
2514
2515 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2516 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2517 device_get_nameunit(sc->dev),
2518 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2519 ni->ni_associd,
2520 (ni->ni_flags & IEEE80211_NODE_HT) ?
2521 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2522 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2523 (ni->ni_flags & IEEE80211_NODE_HT) ?
2524 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2525 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2526
2527 rt2870_asic_updateprot(sc);
2528 rt2870_asic_updateslot(sc);
2529 rt2870_asic_set_txpreamble(sc);
2530 }
2531
2532 /*
2533 * rt2870_updateslot_cb
2534 */
2535 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg)
2536 {
2537 rt2870_asic_updateslot(sc);
2538 }
2539
2540 /*
2541 * rt2870_wme_update_cb
2542 */
2543 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg)
2544 {
2545 rt2870_asic_wme_update(sc);
2546 }
2547
2548 /*
2549 * rt2870_update_beacon_cb
2550 */
2551 static void rt2870_update_beacon_cb(struct rt2870_softc *sc, void *arg)
2552 {
2553 struct rt2870_cmd_argv_updatebeacon *cmd_argv;
2554
2555 cmd_argv = arg;
2556
2557 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2558 "%s: update beacon\n",
2559 device_get_nameunit(sc->dev));
2560
2561 rt2870_asic_update_beacon(sc);
2562 }
2563
2564 /*
2565 * rt2870_key_update_begin_cb
2566 */
2567 static void rt2870_key_update_begin_cb(struct rt2870_softc *sc, void *arg)
2568 {
2569 struct ifnet *ifp;
2570
2571 ifp = sc->ifp;
2572
2573 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2574 "%s: key update begin\n",
2575 device_get_nameunit(sc->dev));
2576
2577 taskqueue_block(sc->taskqueue);
2578
2579 IF_LOCK(&ifp->if_snd);
2580 }
2581
2582 /*
2583 * rt2870_key_update_end_cb
2584 */
2585 static void rt2870_key_update_end_cb(struct rt2870_softc *sc, void *arg)
2586 {
2587 struct ifnet *ifp;
2588
2589 ifp = sc->ifp;
2590
2591 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2592 "%s: key update end\n",
2593 device_get_nameunit(sc->dev));
2594
2595 IF_UNLOCK(&ifp->if_snd);
2596
2597 taskqueue_unblock(sc->taskqueue);
2598 }
2599
2600 /*
2601 * rt2870_key_set_cb
2602 */
2603 static void rt2870_key_set_cb(struct rt2870_softc *sc, void *arg)
2604 {
2605 struct ieee80211com *ic;
2606 struct ieee80211_key *k;
2607 struct rt2870_cmd_argv_keyset *cmd_argv;
2608 uint16_t associd, key_base, keymode_base;
2609 uint8_t mode, vapid, wcid, iv[8];
2610 uint32_t tmp;
2611
2612 ic = &sc->ic;
2613 cmd_argv = arg;
2614 k = &cmd_argv->key;
2615 associd = cmd_argv->associd;
2616
2617 switch (k->wk_cipher->ic_cipher)
2618 {
2619 case IEEE80211_CIPHER_WEP:
2620 if(k->wk_keylen < 8)
2621 mode = RT2870_REG_CIPHER_MODE_WEP40;
2622 else
2623 mode = RT2870_REG_CIPHER_MODE_WEP104;
2624 break;
2625
2626 case IEEE80211_CIPHER_TKIP:
2627 mode = RT2870_REG_CIPHER_MODE_TKIP;
2628 break;
2629
2630 case IEEE80211_CIPHER_AES_CCM:
2631 mode = RT2870_REG_CIPHER_MODE_AES_CCMP;
2632 break;
2633
2634 default:
2635 return;
2636 }
2637
2638 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2639 "%s: set key: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2640 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2641 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2642
2643 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2644 {
2645 /* install pairwise key */
2646
2647 vapid = 0;
2648 wcid = RT2870_AID2WCID(associd);
2649 key_base = RT2870_REG_PKEY(wcid);
2650
2651 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2652 {
2653 memset(iv, 0, 8);
2654
2655 iv[3] = (k->wk_keyix << 6);
2656 }
2657 else
2658 {
2659 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2660 {
2661 iv[0] = (k->wk_keytsc >> 8);
2662 iv[1] = ((iv[0] | 0x20) & 0x7f);
2663 iv[2] = k->wk_keytsc;
2664 }
2665 else
2666 {
2667 /* AES CCMP */
2668
2669 iv[0] = k->wk_keytsc;
2670 iv[1] = k->wk_keytsc >> 8;
2671 iv[2] = 0;
2672 }
2673
2674 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2675 iv[4] = (k->wk_keytsc >> 16);
2676 iv[5] = (k->wk_keytsc >> 24);
2677 iv[6] = (k->wk_keytsc >> 32);
2678 iv[7] = (k->wk_keytsc >> 40);
2679
2680 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2681 "%s: set key: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2682 device_get_nameunit(sc->dev),
2683 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2684 }
2685
2686 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
2687
2688 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2689 {
2690 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2691
2692 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2693 {
2694 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2695 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2696 }
2697 else
2698 {
2699 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2700 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2701 }
2702 }
2703 else
2704 {
2705 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2706 }
2707
2708 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2709 (mode << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2710
2711 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2712 }
2713
2714 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2715 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2716 {
2717 /* install group key */
2718
2719 vapid = 0;
2720 key_base = RT2870_REG_SKEY(vapid, k->wk_keyix);
2721 keymode_base = RT2870_REG_SKEY_MODE(vapid);
2722
2723 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2724 {
2725 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2726
2727 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2728 {
2729 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2730 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2731 }
2732 else
2733 {
2734 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2735 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2736 }
2737 }
2738 else
2739 {
2740 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2741 }
2742
2743 tmp = rt2870_io_mac_read(sc, keymode_base);
2744
2745 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2746 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2747
2748 rt2870_io_mac_write(sc, keymode_base, tmp);
2749 }
2750 }
2751
2752 /*
2753 * rt2870_key_delete_cb
2754 */
2755 static void rt2870_key_delete_cb(struct rt2870_softc *sc, void *arg)
2756 {
2757 struct ieee80211com *ic;
2758 struct ieee80211_key *k;
2759 struct rt2870_cmd_argv_keydelete *cmd_argv;
2760 uint16_t associd;
2761 uint8_t vapid, wcid;
2762 uint32_t tmp;
2763
2764 ic = &sc->ic;
2765 cmd_argv = arg;
2766 k = &cmd_argv->key;
2767 associd = cmd_argv->associd;
2768
2769 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2770 "%s: delete key: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2771 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2772 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2773
2774 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2775 {
2776 /* remove pairwise key */
2777
2778 wcid = RT2870_AID2WCID(associd);
2779
2780 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID_ATTR(wcid));
2781
2782 tmp &= ~0xf;
2783 tmp |= (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT);
2784
2785 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2786 }
2787 else
2788 {
2789 /* remove group key */
2790
2791 vapid = 0;
2792
2793 tmp = rt2870_io_mac_read(sc, RT2870_REG_SKEY_MODE(vapid));
2794
2795 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2796 tmp |= (RT2870_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2797
2798 rt2870_io_mac_write(sc, RT2870_REG_SKEY_MODE(vapid), tmp);
2799 }
2800 }
2801
2802 /*
2803 * rt2870_asic_set_bssid
2804 */
2805 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
2806 const uint8_t *bssid)
2807 {
2808 uint32_t tmp;
2809
2810 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2811 "%s: set bssid: bssid=%s\n",
2812 device_get_nameunit(sc->dev), ether_sprintf(bssid));
2813
2814 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2815
2816 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW0, tmp);
2817
2818 tmp = bssid[4] | (bssid[5] << 8);
2819
2820 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW1, tmp);
2821 }
2822
2823 /*
2824 * rt2870_asic_set_macaddr
2825 */
2826 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
2827 const uint8_t *addr)
2828 {
2829 uint32_t tmp;
2830
2831 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2832
2833 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW0, tmp);
2834
2835 tmp = addr[4] | (addr[5] << 8);
2836
2837 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW1, tmp);
2838 }
2839
2840 /*
2841 * rt2870_asic_enable_tsf_sync
2842 */
2843 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc)
2844 {
2845 struct ieee80211com *ic;
2846 uint32_t tmp;
2847
2848 ic = &sc->ic;
2849
2850 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2851 "%s: enabling TSF\n",
2852 device_get_nameunit(sc->dev));
2853
2854 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
2855
2856 tmp &= ~0x1fffff;
2857 tmp |= ic->ic_bss->ni_intval * 16;
2858 tmp |= (RT2870_REG_TSF_TIMER_ENABLE | RT2870_REG_TBTT_TIMER_ENABLE);
2859
2860 if (ic->ic_opmode == IEEE80211_M_STA)
2861 {
2862 tmp |= (RT2870_REG_TSF_SYNC_MODE_STA << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2863 }
2864 else if (ic->ic_opmode == IEEE80211_M_IBSS)
2865 {
2866 tmp |= RT2870_REG_BCN_TX_ENABLE;
2867 tmp |= (RT2870_REG_TSF_SYNC_MODE_IBSS << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2868 }
2869 else if (ic->ic_opmode == IEEE80211_M_HOSTAP)
2870 {
2871 tmp |= RT2870_REG_BCN_TX_ENABLE;
2872 tmp |= (RT2870_REG_TSF_SYNC_MODE_HOSTAP << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2873 }
2874
2875 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
2876 }
2877
2878 /*
2879 * rt2870_asic_disable_tsf_sync
2880 */
2881 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc)
2882 {
2883 uint32_t tmp;
2884
2885 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2886 "%s: disabling TSF\n",
2887 device_get_nameunit(sc->dev));
2888
2889 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
2890
2891 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
2892 RT2870_REG_TSF_TIMER_ENABLE |
2893 RT2870_REG_TBTT_TIMER_ENABLE);
2894
2895 tmp &= ~(RT2870_REG_TSF_SYNC_MODE_MASK << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2896 tmp |= (RT2870_REG_TSF_SYNC_MODE_DISABLE << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2897
2898 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
2899 }
2900
2901 /*
2902 * rt2870_asic_enable_mrr
2903 */
2904 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc)
2905 {
2906 #define CCK(mcs) (mcs)
2907 #define OFDM(mcs) ((1 << 3) | (mcs))
2908 #define HT(mcs) (mcs)
2909
2910 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG0,
2911 (OFDM(6) << 28) | /* 54 -> 48 */
2912 (OFDM(5) << 24) | /* 48 -> 36 */
2913 (OFDM(4) << 20) | /* 36 -> 24 */
2914 (OFDM(3) << 16) | /* 24 -> 18 */
2915 (OFDM(2) << 12) | /* 18 -> 12 */
2916 (OFDM(1) << 8) | /* 12 -> 9 */
2917 (OFDM(0) << 4) | /* 9 -> 6 */
2918 OFDM(0)); /* 6 -> 6 */
2919
2920 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG1,
2921 (CCK(2) << 12) | /* 11 -> 5.5 */
2922 (CCK(1) << 8) | /* 5.5 -> 2 */
2923 (CCK(0) << 4) | /* 2 -> 1 */
2924 CCK(0)); /* 1 -> 1 */
2925
2926 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG0,
2927 (HT(6) << 28) |
2928 (HT(5) << 24) |
2929 (HT(4) << 20) |
2930 (HT(3) << 16) |
2931 (HT(2) << 12) |
2932 (HT(1) << 8) |
2933 (HT(0) << 4) |
2934 HT(0));
2935
2936 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG1,
2937 (HT(14) << 28) |
2938 (HT(13) << 24) |
2939 (HT(12) << 20) |
2940 (HT(11) << 16) |
2941 (HT(10) << 12) |
2942 (HT(9) << 8) |
2943 (HT(8) << 4) |
2944 HT(8));
2945
2946 #undef HT
2947 #undef OFDM
2948 #undef CCK
2949 }
2950
2951 /*
2952 * rt2870_asic_set_txpreamble
2953 */
2954 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc)
2955 {
2956 struct ieee80211com *ic;
2957 uint32_t tmp;
2958
2959 ic = &sc->ic;
2960
2961 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2962 "%s: %s short Tx preamble\n",
2963 device_get_nameunit(sc->dev),
2964 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
2965
2966 tmp = rt2870_io_mac_read(sc, RT2870_REG_AUTO_RSP_CFG);
2967
2968 tmp &= ~RT2870_REG_CCK_SHORT_ENABLE;
2969
2970 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
2971 tmp |= RT2870_REG_CCK_SHORT_ENABLE;
2972
2973 rt2870_io_mac_write(sc, RT2870_REG_AUTO_RSP_CFG, tmp);
2974 }
2975
2976 /*
2977 * rt2870_asic_set_basicrates
2978 */
2979 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc)
2980 {
2981 struct ieee80211com *ic;
2982
2983 ic = &sc->ic;
2984
2985 if (ic->ic_curmode == IEEE80211_MODE_11B)
2986 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x3);
2987 else if (ic->ic_curmode == IEEE80211_MODE_11A)
2988 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x150);
2989 else
2990 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x15f);
2991 }
2992
2993 /*
2994 * rt2870_asic_update_rtsthreshold
2995 */
2996 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc)
2997 {
2998 struct ieee80211com *ic;
2999 uint32_t tmp;
3000 uint16_t threshold;
3001
3002 ic = &sc->ic;
3003
3004 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3005 "%s: updating RTS threshold: %d\n",
3006 device_get_nameunit(sc->dev), ic->ic_rtsthreshold);
3007
3008 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_RTS_CFG);
3009
3010 tmp &= ~(RT2870_REG_TX_RTS_THRESHOLD_MASK << RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3011
3012 threshold = (ic->ic_rtsthreshold < IEEE80211_RTS_MAX) ?
3013 ic->ic_rtsthreshold : 0x1000;
3014
3015 tmp |= ((threshold & RT2870_REG_TX_RTS_THRESHOLD_MASK) <<
3016 RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3017
3018 rt2870_io_mac_write(sc, RT2870_REG_TX_RTS_CFG, tmp);
3019 }
3020
3021 /*
3022 * rt2870_asic_update_txpower
3023 */
3024 static void rt2870_asic_update_txpower(struct rt2870_softc *sc)
3025 {
3026 struct ieee80211com *ic;
3027 uint32_t *txpow_rate;
3028 int8_t delta;
3029 uint8_t val;
3030 uint32_t tmp;
3031 int i;
3032
3033 ic = &sc->ic;
3034
3035 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3036 "%s: updating Tx power: %d\n",
3037 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3038
3039 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3040 {
3041 txpow_rate = sc->txpow_rate_20mhz;
3042 }
3043 else
3044 {
3045 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3046 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3047 else
3048 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3049 }
3050
3051 delta = 0;
3052
3053 val = rt2870_io_bbp_read(sc, 1);
3054 val &= 0xfc;
3055
3056 if (ic->ic_txpowlimit > 90)
3057 {
3058 /* do nothing */
3059 }
3060 else if (ic->ic_txpowlimit > 60)
3061 {
3062 delta -= 1;
3063 }
3064 else if (ic->ic_txpowlimit > 30)
3065 {
3066 delta -= 3;
3067 }
3068 else if (ic->ic_txpowlimit > 15)
3069 {
3070 val |= 0x1;
3071 }
3072 else if (ic->ic_txpowlimit > 9)
3073 {
3074 val |= 0x1;
3075 delta -= 3;
3076 }
3077 else
3078 {
3079 val |= 0x2;
3080 }
3081
3082 rt2870_io_bbp_write(sc, 1, val);
3083
3084 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
3085 {
3086 if (txpow_rate[i] == 0xffffffff)
3087 continue;
3088
3089 tmp = rt2870_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3090
3091 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i), tmp);
3092 }
3093 }
3094
3095 /*
3096 * rt2870_asic_update_promisc
3097 */
3098 static void rt2870_asic_update_promisc(struct rt2870_softc *sc)
3099 {
3100 struct ifnet *ifp;
3101 uint32_t tmp;
3102
3103 ifp = sc->ic.ic_ifp;
3104
3105 printf("%s: %s promiscuous mode\n",
3106 device_get_nameunit(sc->dev),
3107 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3108
3109 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_FILTER_CFG);
3110
3111 tmp &= ~RT2870_REG_RX_FILTER_DROP_UC_NOME;
3112
3113 if (!(ifp->if_flags & IFF_PROMISC))
3114 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
3115
3116 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
3117 }
3118
3119 /*
3120 * rt2870_asic_updateprot
3121 */
3122 static void rt2870_asic_updateprot(struct rt2870_softc *sc)
3123 {
3124 struct ieee80211com *ic;
3125 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3126 uint8_t htopmode;
3127
3128 ic = &sc->ic;
3129
3130 /* CCK frame protection */
3131
3132 cck_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3133 RT2870_REG_TXOP_ALLOW_ALL | RT2870_REG_PROT_CTRL_NONE;
3134
3135 /* set up protection frame phy mode and rate (MCS code) */
3136
3137 if (ic->ic_curmode == IEEE80211_MODE_11A)
3138 cck_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3139 (0 << RT2870_REG_PROT_MCS_SHIFT);
3140 else
3141 cck_prot |= ((RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3142 (3 << RT2870_REG_PROT_MCS_SHIFT));
3143
3144 rt2870_io_mac_write(sc, RT2870_REG_TX_CCK_PROT_CFG, cck_prot);
3145
3146 /* OFDM frame protection */
3147
3148 ofdm_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3149 RT2870_REG_TXOP_ALLOW_ALL;
3150
3151 if (ic->ic_flags & IEEE80211_F_USEPROT)
3152 {
3153 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3154 "%s: updating protection mode: b/g protection mode=%s\n",
3155 device_get_nameunit(sc->dev),
3156 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3157 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3158
3159 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3160 ofdm_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3161 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3162 ofdm_prot |= RT2870_REG_PROT_CTRL_CTS;
3163 else
3164 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3165 }
3166 else
3167 {
3168 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3169 "%s: updating protection mode: b/g protection mode=%s\n",
3170 device_get_nameunit(sc->dev), "none");
3171
3172 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3173 }
3174
3175 rt2870_io_mac_write(sc, RT2870_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3176
3177 /* HT frame protection */
3178
3179 if ((ic->ic_opmode == IEEE80211_M_STA) && (ic->ic_state == IEEE80211_S_RUN))
3180 htopmode = ic->ic_bss->ni_htopmode;
3181 else
3182 htopmode = ic->ic_curhtprotmode;
3183
3184 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3185 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3186 device_get_nameunit(sc->dev),
3187 htopmode & IEEE80211_HTINFO_OPMODE,
3188 (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3189 ((ic->ic_htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3190
3191 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3192 {
3193 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3194 case IEEE80211_HTINFO_OPMODE_HT20PR:
3195 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3196 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3197 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3198 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3199 (4 << RT2870_REG_PROT_MCS_SHIFT);
3200
3201 gf20_prot = mm20_prot;
3202
3203 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3204 RT2870_REG_TXOP_ALLOW_ALL |
3205 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3206 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3207
3208 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
3209 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3210 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
3211 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3212 else
3213 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3214
3215 gf40_prot = mm40_prot;
3216 break;
3217
3218 /* IEEE80211_HTINFO_OPMODE_MIXED */
3219 case IEEE80211_HTINFO_OPMODE_MIXED:
3220 mm20_prot = RT2870_REG_PROT_NAV_SHORT |
3221 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3222 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20;
3223
3224 if (ic->ic_flags & IEEE80211_F_USEPROT)
3225 mm20_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3226 (3 << RT2870_REG_PROT_MCS_SHIFT);
3227 else
3228 mm20_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3229 (4 << RT2870_REG_PROT_MCS_SHIFT);
3230
3231 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
3232 mm20_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3233 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
3234 mm20_prot |= RT2870_REG_PROT_CTRL_CTS;
3235 else
3236 mm20_prot |= RT2870_REG_PROT_CTRL_NONE;
3237
3238 gf20_prot = mm20_prot;
3239
3240 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_TXOP_ALLOW_ALL;
3241
3242 if (ic->ic_flags & IEEE80211_F_USEPROT)
3243 mm40_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3244 (3 << RT2870_REG_PROT_MCS_SHIFT);
3245 else
3246 mm40_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3247 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3248
3249 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
3250 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3251 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
3252 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3253 else
3254 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3255
3256 gf40_prot = mm40_prot;
3257 break;
3258
3259 /*
3260 * IEEE80211_HTINFO_OPMODE_PURE
3261 * IEEE80211_HTINFO_OPMODE_PROTOPT
3262 */
3263 case IEEE80211_HTINFO_OPMODE_PURE:
3264 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3265 default:
3266 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3267 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3268 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3269 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3270 (4 << RT2870_REG_PROT_MCS_SHIFT);
3271
3272 gf20_prot = mm20_prot;
3273
3274 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3275 RT2870_REG_TXOP_ALLOW_ALL |
3276 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3277 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3278
3279 gf40_prot = mm40_prot;
3280 break;
3281 }
3282
3283 rt2870_io_mac_write(sc, RT2870_REG_TX_MM20_PROT_CFG, mm20_prot);
3284 rt2870_io_mac_write(sc, RT2870_REG_TX_MM40_PROT_CFG, mm40_prot);
3285 rt2870_io_mac_write(sc, RT2870_REG_TX_GF20_PROT_CFG, gf20_prot);
3286 rt2870_io_mac_write(sc, RT2870_REG_TX_GF40_PROT_CFG, gf40_prot);
3287 }
3288
3289 /*
3290 * rt2870_asic_updateslot
3291 */
3292 static void rt2870_asic_updateslot(struct rt2870_softc *sc)
3293 {
3294 struct ieee80211com *ic;
3295 uint32_t tmp;
3296
3297 ic = &sc->ic;
3298
3299 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3300 "%s: %s short slot time\n",
3301 device_get_nameunit(sc->dev),
3302 (ic->ic_flags & IEEE80211_F_SHSLOT) ? "enabling" : "disabling");
3303
3304 tmp = rt2870_io_mac_read(sc, RT2870_REG_BKOFF_SLOT_CFG);
3305
3306 tmp &= ~0xff;
3307 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
3308
3309 rt2870_io_mac_write(sc, RT2870_REG_BKOFF_SLOT_CFG, tmp);
3310 }
3311
3312 /*
3313 * rt2870_asic_wme_update
3314 */
3315 static void rt2870_asic_wme_update(struct rt2870_softc *sc)
3316 {
3317 struct ieee80211com *ic;
3318 struct ieee80211_wme_state *wme;
3319 const struct wmeParams *wmep;
3320 int i;
3321
3322 ic = &sc->ic;
3323 wme = &ic->ic_wme;
3324 wmep = wme->wme_chanParams.cap_wmeParams;
3325
3326 RT2870_DPRINTF(sc, RT2870_DEBUG_WME,
3327 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3328 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3329 device_get_nameunit(sc->dev),
3330 wmep[WME_AC_VO].wmep_aifsn,
3331 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3332 wmep[WME_AC_VO].wmep_txopLimit,
3333 wmep[WME_AC_VI].wmep_aifsn,
3334 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3335 wmep[WME_AC_VI].wmep_txopLimit,
3336 wmep[WME_AC_BK].wmep_aifsn,
3337 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3338 wmep[WME_AC_BK].wmep_txopLimit,
3339 wmep[WME_AC_BE].wmep_aifsn,
3340 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3341 wmep[WME_AC_BE].wmep_txopLimit);
3342
3343 for (i = 0; i < WME_NUM_AC; i++)
3344 rt2870_io_mac_write(sc, RT2870_REG_TX_EDCA_AC_CFG(i),
3345 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3346 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3347
3348 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_AIFSN_CFG,
3349 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3350 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3351
3352 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMIN_CFG,
3353 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3354 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3355
3356 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMAX_CFG,
3357 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3358 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3359
3360 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG,
3361 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3362
3363 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
3364 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3365 }
3366
3367 /*
3368 * rt2870_asic_update_beacon
3369 */
3370 static int rt2870_asic_update_beacon(struct rt2870_softc *sc)
3371 {
3372 struct ieee80211com *ic;
3373 struct mbuf *m;
3374 struct rt2870_txwi txwi;
3375 uint8_t rate, mcs;
3376 uint32_t tmp;
3377
3378 ic = &sc->ic;
3379
3380 m = ieee80211_beacon_alloc(ic->ic_bss, &sc->beacon_offsets);
3381 if (m == NULL)
3382 return ENOMEM;
3383
3384 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3385 mcs = rt2870_rate2mcs(rate);
3386
3387 memset(&txwi, 0, sizeof(struct rt2870_txwi));
3388
3389 txwi.wcid = 0xff;
3390 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2870_TXWI_MPDU_LEN_MASK) <<
3391 RT2870_TXWI_MPDU_LEN_SHIFT);
3392 txwi.txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
3393 txwi.mpdu_density_flags |=
3394 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
3395 txwi.bawin_size_xflags |=
3396 (RT2870_TXWI_XFLAGS_NSEQ << RT2870_TXWI_XFLAGS_SHIFT);
3397
3398 if (rate == 2)
3399 {
3400 txwi.phymode_ifs_stbc_shortgi =
3401 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
3402
3403 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3404 mcs |= RT2870_TXWI_MCS_SHOTPRE;
3405 }
3406 else
3407 {
3408 txwi.phymode_ifs_stbc_shortgi =
3409 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
3410 }
3411
3412 txwi.bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
3413 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
3414
3415 /* disable temporarily TSF sync */
3416
3417 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3418
3419 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3420 RT2870_REG_TSF_TIMER_ENABLE |
3421 RT2870_REG_TBTT_TIMER_ENABLE);
3422
3423 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3424
3425 /* write Tx wireless info and beacon frame to on-chip memory */
3426
3427 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0),
3428 &txwi, sizeof(struct rt2870_txwi));
3429
3430 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0) + sizeof(struct rt2870_txwi),
3431 mtod(m, uint8_t *), m->m_pkthdr.len);
3432
3433 /* enable again TSF sync */
3434
3435 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3436
3437 tmp |= (RT2870_REG_BCN_TX_ENABLE |
3438 RT2870_REG_TSF_TIMER_ENABLE |
3439 RT2870_REG_TBTT_TIMER_ENABLE);
3440
3441 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3442
3443 m_freem(m);
3444
3445 return 0;
3446 }
3447
3448 /*
3449 * rt2870_asic_clear_keytables
3450 */
3451 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc)
3452 {
3453 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3454
3455 rt2870_io_mac_set_region_4(sc, RT2870_REG_WCID(0), 0, 2 * 256);
3456
3457 /* clear WCID attribute table (entries = 256, entry size = 4) */
3458
3459 rt2870_io_mac_set_region_4(sc, RT2870_REG_WCID_ATTR(0), 0, 256);
3460
3461 /* clear IV/EIV table (entries = 256, entry size = 8) */
3462
3463 rt2870_io_mac_set_region_4(sc, RT2870_REG_IVEIV(0), 0, 2 * 256);
3464
3465 /* clear pairwise key table (entries = 256, entry size = 32) */
3466
3467 rt2870_io_mac_set_region_4(sc, RT2870_REG_PKEY(0), 0, 8 * 256);
3468
3469 /* clear shared key table (entries = 32, entry size = 32) */
3470
3471 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY(0, 0), 0, 8 * 32);
3472
3473 /* clear shared key mode (entries = 32, entry size = 2) */
3474
3475 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY_MODE(0), 0, 16);
3476 }
3477
3478 /*
3479 * rt2870_rxrate
3480 */
3481 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi)
3482 {
3483 uint8_t mcs, phymode;
3484 uint8_t rate;
3485
3486 mcs = (rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK;
3487 phymode = (rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3488 RT2870_RXWI_PHYMODE_MASK;
3489
3490 rate = 2;
3491
3492 switch (phymode)
3493 {
3494 case RT2870_RXWI_PHYMODE_CCK:
3495 switch (mcs & ~RT2870_RXWI_MCS_SHOTPRE)
3496 {
3497 case 0: rate = 2; break; /* 1 Mbps */
3498 case 1: rate = 4; break; /* 2 MBps */
3499 case 2: rate = 11; break; /* 5.5 Mbps */
3500 case 3: rate = 22; break; /* 11 Mbps */
3501 }
3502 break;
3503
3504 case RT2870_RXWI_PHYMODE_OFDM:
3505 switch (mcs)
3506 {
3507 case 0: rate = 12; break; /* 6 Mbps */
3508 case 1: rate = 18; break; /* 9 Mbps */
3509 case 2: rate = 24; break; /* 12 Mbps */
3510 case 3: rate = 36; break; /* 18 Mbps */
3511 case 4: rate = 48; break; /* 24 Mbps */
3512 case 5: rate = 72; break; /* 36 Mbps */
3513 case 6: rate = 96; break; /* 48 Mbps */
3514 case 7: rate = 108; break; /* 54 Mbps */
3515 }
3516 break;
3517
3518 case RT2870_RXWI_PHYMODE_HT_MIXED:
3519 case RT2870_RXWI_PHYMODE_HT_GF:
3520 break;
3521 }
3522
3523 return rate;
3524 }
3525
3526 /*
3527 * rt2870_maxrssi_rxpath
3528 */
3529 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
3530 const struct rt2870_rxwi *rxwi)
3531 {
3532 uint8_t rxpath;
3533
3534 rxpath = 0;
3535
3536 if (sc->nrxpath > 1)
3537 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3538 rxpath = 1;
3539
3540 if (sc->nrxpath > 2)
3541 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3542 rxpath = 2;
3543
3544 return rxpath;
3545 }
3546
3547 /*
3548 * rt2870_rssi2dbm
3549 */
3550 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
3551 uint8_t rssi, uint8_t rxpath)
3552 {
3553 struct ieee80211com *ic;
3554 struct ieee80211_channel *c;
3555 int chan, delta;
3556
3557 ic = &sc->ic;
3558 c = ic->ic_curchan;
3559 chan = ieee80211_chan2ieee(ic, c);
3560
3561 if (IEEE80211_IS_CHAN_5GHZ(c))
3562 {
3563 delta = sc->rssi_off_5ghz[rxpath];
3564
3565 if (chan <= 64)
3566 delta -= sc->lna_gain[1];
3567 else if (chan <= 128)
3568 delta -= sc->lna_gain[2];
3569 else
3570 delta -= sc->lna_gain[3];
3571 }
3572 else
3573 {
3574 delta = sc->rssi_off_2ghz[rxpath] - sc->lna_gain[0];
3575 }
3576
3577 return (-12 - delta - rssi);
3578 }
3579
3580 /*
3581 * rt2870_rate2mcs
3582 */
3583 static uint8_t rt2870_rate2mcs(uint8_t rate)
3584 {
3585 switch (rate)
3586 {
3587 /* CCK rates */
3588 case 2: return 0;
3589 case 4: return 1;
3590 case 11: return 2;
3591 case 22: return 3;
3592
3593 /* OFDM rates */
3594 case 12: return 0;
3595 case 18: return 1;
3596 case 24: return 2;
3597 case 36: return 3;
3598 case 48: return 4;
3599 case 72: return 5;
3600 case 96: return 6;
3601 case 108: return 7;
3602 }
3603
3604 return 0;
3605 }
3606
3607 /*
3608 * rt2870_ackrate
3609 */
3610 static int rt2870_ackrate(struct ieee80211com *ic, int rate)
3611 {
3612 switch (rate)
3613 {
3614 /* CCK rates */
3615
3616 case 2:
3617 return 2;
3618
3619 case 4:
3620 case 11:
3621 case 22:
3622 return (ic->ic_curmode == IEEE80211_MODE_11B) ? 4 : rate;
3623
3624 /* OFDM rates */
3625
3626 case 12:
3627 case 18:
3628 return 12;
3629
3630 case 24:
3631 case 36:
3632 return 24;
3633
3634 case 48:
3635 case 72:
3636 case 96:
3637 case 108:
3638 return 48;
3639 }
3640
3641 /* default to 1Mbps */
3642 return 2;
3643 }
3644
3645 /*
3646 * rt2870_txtime
3647 */
3648 static uint16_t rt2870_txtime(int len, int rate, uint32_t flags)
3649 {
3650 uint16_t txtime;
3651
3652 if (RT2870_RATE_IS_OFDM(rate))
3653 {
3654 txtime = (8 + 4 * len + 3 + rate - 1) / rate;
3655 txtime = 16 + 4 + 4 * txtime + 6;
3656 }
3657 else
3658 {
3659 txtime = (16 * len + rate - 1) / rate;
3660
3661 if (rate != 2 && (flags & IEEE80211_F_SHPREAMBLE))
3662 txtime += 72 + 24;
3663 else
3664 txtime += 144 + 48;
3665 }
3666
3667 return txtime;
3668 }
3669
3670 /*
3671 * rt2870_rx_frame
3672 */
3673 static void rt2870_rx_frame(struct rt2870_softc *sc,
3674 uint8_t *buf, uint32_t dmalen)
3675 {
3676 struct ieee80211com *ic;
3677 struct ifnet *ifp;
3678 struct ieee80211_frame *wh;
3679 struct ieee80211_node *ni;
3680 struct rt2870_softc_rx_radiotap_header *tap;
3681 struct rt2870_rxwi *rxwi;
3682 struct rt2870_rxinfo *rxinfo;
3683 struct mbuf *m;
3684 uint32_t rxinfo_flags;
3685 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
3686 int8_t rssi_dbm;
3687 int len, ampdu, amsdu;
3688
3689 ic = &sc->ic;
3690 ifp = ic->ic_ifp;
3691
3692 /* get Rx wireless info */
3693
3694 rxwi = (struct rt2870_rxwi *) buf;
3695 len = (le16toh(rxwi->tid_size) >> RT2870_RXWI_SIZE_SHIFT) &
3696 RT2870_RXWI_SIZE_MASK;
3697
3698 if (len > dmalen)
3699 {
3700 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3701 "%s: bad rxwi len: DMA len=%d, rxwi len=%d\n",
3702 device_get_nameunit(sc->dev), dmalen, len);
3703 return;
3704 }
3705
3706 /* get Rx info */
3707
3708 rxinfo = (struct rt2870_rxinfo *) ((caddr_t) rxwi + dmalen);
3709 rxinfo_flags = le32toh(rxinfo->flags);
3710
3711 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3712 "%s: Rx frame: DMA len=%d, len=%d, rxinfo flags=0x%08x\n",
3713 device_get_nameunit(sc->dev), dmalen, len, rxinfo_flags);
3714
3715 /* check for crc errors */
3716
3717 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
3718 {
3719 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3720 "%s: rxinfo: crc error\n",
3721 device_get_nameunit(sc->dev));
3722
3723 ifp->if_ierrors++;
3724
3725 if (!(ifp->if_flags & IFF_PROMISC))
3726 return;
3727 }
3728
3729 wh = (struct ieee80211_frame *) (rxwi + 1);
3730
3731 /* check for L2 padding between IEEE 802.11 frame header and body */
3732
3733 if (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD)
3734 {
3735 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3736 "%s: L2 padding: DMA len=%d, len=%d\n",
3737 device_get_nameunit(sc->dev), dmalen, len);
3738
3739 len += 2;
3740 }
3741
3742 m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
3743 if (m == NULL)
3744 {
3745 sc->rx_mbuf_alloc_errors++;
3746 ifp->if_ierrors++;
3747 return;
3748 }
3749
3750 m->m_pkthdr.rcvif = ifp;
3751 m->m_pkthdr.len = m->m_len = len;
3752
3753 m_copyback(m, 0, len, (caddr_t) wh);
3754
3755 wh = mtod(m, struct ieee80211_frame *);
3756
3757 /* check for cipher errors */
3758
3759 if (rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED)
3760 {
3761 cipher_err = ((rxinfo_flags >> RT2870_RXINFO_FLAGS_CIPHER_ERR_SHIFT) &
3762 RT2870_RXINFO_FLAGS_CIPHER_ERR_MASK);
3763 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_NONE)
3764 {
3765 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3766 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3767
3768 m->m_flags |= M_WEP;
3769 }
3770 else
3771 {
3772 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3773 "%s: rxinfo: cipher error=0x%02x\n",
3774 device_get_nameunit(sc->dev), cipher_err);
3775
3776 ifp->if_ierrors++;
3777
3778 if (!(ifp->if_flags & IFF_PROMISC))
3779 {
3780 m_free(m);
3781 return;
3782 }
3783 }
3784 }
3785 else
3786 {
3787 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3788 {
3789 ifp->if_ierrors++;
3790
3791 if (!(ifp->if_flags & IFF_PROMISC))
3792 {
3793 m_free(m);
3794 return;
3795 }
3796 }
3797 }
3798
3799 /* check for A-MPDU */
3800
3801 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMPDU)
3802 {
3803 m->m_flags |= M_AMPDU;
3804 ampdu = 1;
3805 }
3806 else
3807 {
3808 ampdu = 0;
3809 }
3810
3811 ant = rt2870_maxrssi_rxpath(sc, rxwi);
3812 rssi = rxwi->rssi[ant];
3813 rssi_dbm = rt2870_rssi2dbm(sc, rssi, ant);
3814 phymode = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3815 RT2870_RXWI_PHYMODE_MASK);
3816 bw = ((rxwi->bw_mcs >> RT2870_RXWI_BW_SHIFT) & RT2870_RXWI_BW_MASK);
3817 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_SHORTGI_SHIFT) &
3818 RT2870_RXWI_SHORTGI_MASK);
3819 mcs = ((rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK);
3820 amsdu = (rxinfo_flags & RT2870_RXINFO_FLAGS_AMSDU);
3821
3822 if (bpf_peers_present(sc->drvbpf))
3823 {
3824 tap = &sc->rxtap;
3825
3826 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
3827 tap->dbm_antsignal = rssi_dbm;
3828 tap->dbm_antnoise = RT2870_NOISE_FLOOR;
3829 tap->antenna = ant;
3830 tap->antsignal = rssi;
3831 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3832 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3833 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3834 tap->chan_maxpow = 0;
3835
3836 if (phymode == RT2870_RXWI_PHYMODE_CCK || phymode == RT2870_RXWI_PHYMODE_OFDM)
3837 tap->rate = rt2870_rxrate(rxwi);
3838 else
3839 tap->rate = mcs | IEEE80211_RATE_MCS;
3840
3841 if (rxwi->bw_mcs & RT2870_RXWI_MCS_SHOTPRE)
3842 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3843
3844 if (shortgi)
3845 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3846
3847 bpf_mtap2(sc->drvbpf, tap, sc->rxtap_len, m);
3848 }
3849
3850 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3851 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
3852 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d\n",
3853 device_get_nameunit(sc->dev),
3854 len, phymode, bw, shortgi, mcs,
3855 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
3856 rxwi->snr[0], rxwi->snr[1],
3857 rxwi->wcid, ampdu, amsdu);
3858
3859 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
3860
3861 ieee80211_input(ic, m, ni, rssi_dbm - RT2870_NOISE_FLOOR, RT2870_NOISE_FLOOR, 0);
3862
3863 ieee80211_free_node(ni);
3864 }
3865
3866 /*
3867 * rt2870_tx_frame
3868 */
3869 static int rt2870_tx_frame(struct rt2870_softc *sc,
3870 struct mbuf *m, struct ieee80211_node *ni, int qid)
3871 {
3872 struct ieee80211com *ic;
3873 struct rt2870_softc_tx_ring *ring;
3874 struct rt2870_softc_tx_data *data;
3875 struct rt2870_txinfo *txinfo;
3876 struct rt2870_txwi *txwi;
3877 struct ieee80211_frame *wh;
3878 struct rt2870_softc_tx_radiotap_header *tap;
3879 u_int hdrsize, hdrspace;
3880 uint8_t type, rate, bw, shortgi, mcs, pid, wcid;
3881 uint16_t qos, len, dmalen, mpdu_len, dur;
3882 int hasqos, ackrate;
3883
3884 ic = &sc->ic;
3885
3886 ring = &sc->tx_ring[qid];
3887 data = STAILQ_FIRST(&ring->inactive);
3888 STAILQ_REMOVE_HEAD(&ring->inactive, next);
3889 txinfo = (struct rt2870_txinfo *) data->buf;
3890 txwi = (struct rt2870_txwi *) (txinfo + 1);
3891
3892 wh = mtod(m, struct ieee80211_frame *);
3893
3894 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
3895
3896 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
3897 if (hasqos)
3898 {
3899 if (IEEE80211_HAS_ADDR4(wh))
3900 qos = le16toh(*(const uint16_t *)
3901 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
3902 else
3903 qos = le16toh(*(const uint16_t *)
3904 (((struct ieee80211_qosframe *) wh)->i_qos));
3905 }
3906 else
3907 {
3908 qos = 0;
3909 }
3910
3911 if (ni->ni_flags & IEEE80211_NODE_HT)
3912 {
3913 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
3914 rate = 0;
3915 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
3916 rate = ic->ic_fixed_rate;
3917 else
3918 rate = ni->ni_htrates.rs_rates[ni->ni_txrate];
3919 }
3920 else
3921 {
3922 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
3923 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3924 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
3925 rate = ic->ic_fixed_rate;
3926 else
3927 rate = ni->ni_rates.rs_rates[ni->ni_txrate];
3928 }
3929
3930 rate &= IEEE80211_RATE_VAL;
3931
3932 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
3933
3934 /* align end on a 4-bytes boundary */
3935
3936 dmalen = (len + 3) & ~3;
3937
3938 /* fill Tx info */
3939
3940 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
3941
3942 txinfo->len = htole16(dmalen);
3943
3944 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
3945
3946 /* fill Tx wireless info */
3947
3948 if (ni->ni_flags & IEEE80211_NODE_HT)
3949 mcs = rate;
3950 else
3951 mcs = rt2870_rate2mcs(rate);
3952
3953 pid = mcs + 1;
3954
3955 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
3956 RT2870_AID2WCID(ni->ni_associd) : 0xff;
3957
3958 /* calculate MPDU length without padding */
3959
3960 hdrsize = ieee80211_hdrsize(wh);
3961 hdrspace = ieee80211_hdrspace(ic, wh);
3962 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
3963
3964 memset(txwi, 0, sizeof(struct rt2870_txwi));
3965
3966 txwi->wcid = wcid;
3967
3968 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
3969 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
3970 RT2870_TXWI_MPDU_LEN_SHIFT);
3971
3972 if ((ic->ic_flags_ext & (IEEE80211_FEXT_SHORTGI20 | IEEE80211_FEXT_SHORTGI40)) &&
3973 (ni->ni_flags & IEEE80211_NODE_HT))
3974 shortgi = 1;
3975 else
3976 shortgi = 0;
3977
3978 txwi->phymode_ifs_stbc_shortgi |=
3979 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
3980
3981 if (ni->ni_flags & IEEE80211_NODE_HT)
3982 {
3983 txwi->phymode_ifs_stbc_shortgi |=
3984 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
3985 }
3986 else
3987 {
3988 if (!RT2870_RATE_IS_OFDM(rate))
3989 {
3990 txwi->phymode_ifs_stbc_shortgi |=
3991 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
3992
3993 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3994 mcs |= RT2870_TXWI_MCS_SHOTPRE;
3995 }
3996 else
3997 {
3998 txwi->phymode_ifs_stbc_shortgi |=
3999 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4000 }
4001 }
4002
4003 if ((ni->ni_flags & IEEE80211_NODE_HT) &&
4004 (ni->ni_htcap & IEEE80211_HTCAP_CHWIDTH40))
4005 bw = RT2870_TXWI_BW_40;
4006 else
4007 bw = RT2870_TXWI_BW_20;
4008
4009 txwi->bw_mcs = ((bw & RT2870_TXWI_BW_MASK) << RT2870_TXWI_BW_SHIFT) |
4010 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4011
4012 if (type != IEEE80211_FC0_TYPE_DATA)
4013 txwi->txop = (RT2870_TXWI_TXOP_BACKOFF << RT2870_TXWI_TXOP_SHIFT);
4014 else
4015 txwi->txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
4016
4017 /* skip ACKs for multicast frames and probe responses */
4018
4019 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4020 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) !=
4021 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) &&
4022 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4023 {
4024 txwi->bawin_size_xflags |=
4025 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4026
4027 if (ni->ni_flags & IEEE80211_NODE_HT)
4028 {
4029 /* preamble + plcp + signal extension */
4030
4031 dur = 16 + 4 + 6;
4032 }
4033 else
4034 {
4035 ackrate = rt2870_ackrate(ic, rate);
4036
4037 dur = rt2870_txtime(RT2870_ACK_SIZE, ackrate, ic->ic_flags) +
4038 sc->sifs;
4039 }
4040
4041 *(uint16_t *) wh->i_dur = htole16(dur);
4042 }
4043
4044 /* ask MAC to insert timestamp into probe responses */
4045
4046 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4047 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4048 txwi->mpdu_density_flags |=
4049 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4050
4051 if (bpf_peers_present(sc->drvbpf))
4052 {
4053 tap = &sc->txtap;
4054
4055 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4056 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4057 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4058 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4059 tap->chan_maxpow = 0;
4060
4061 if (ni->ni_flags & IEEE80211_NODE_HT)
4062 tap->rate = mcs | IEEE80211_RATE_MCS;
4063 else
4064 tap->rate = rate;
4065
4066 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4067 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4068
4069 if (shortgi)
4070 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4071
4072 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4073 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4074
4075 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4076 {
4077 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4078
4079 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
4080
4081 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4082 }
4083 else
4084 {
4085 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
4086 }
4087 }
4088
4089 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4090
4091 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4092 "%s: sending frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4093 "bw=%d, shortgi=%d, mcs=%d, wcid=0x%02x, DMA len=%d\n",
4094 device_get_nameunit(sc->dev),
4095 qid, hdrsize, hdrspace, m->m_pkthdr.len, bw, shortgi, mcs, wcid, dmalen);
4096
4097 data->m = m;
4098 data->ni = ni;
4099
4100 STAILQ_INSERT_TAIL(&ring->active, data, next);
4101 ring->queued++;
4102
4103 usbd_setup_xfer(data->xfer, ring->usb_pipe, ring, data->buf, len,
4104 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, RT2870_USB_XFER_TIMEOUT, rt2870_tx_intr);
4105
4106 usbd_transfer(data->xfer);
4107
4108 return 0;
4109 }
4110
4111 /*
4112 * rt2870_tx_raw
4113 */
4114 static int rt2870_tx_raw(struct rt2870_softc *sc,
4115 struct mbuf *m, struct ieee80211_node *ni,
4116 const struct ieee80211_bpf_params *params)
4117 {
4118 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4119 "%s: Tx raw\n",
4120 device_get_nameunit(sc->dev));
4121
4122 return 0;
4123 }
4124
4125 /*
4126 * rt2870_rx_intr
4127 */
4128 static void rt2870_rx_intr(usbd_xfer_handle xfer,
4129 usbd_private_handle priv, usbd_status status)
4130 {
4131 struct rt2870_softc *sc;
4132 struct ifnet *ifp;
4133 struct rt2870_softc_rx_ring *ring;
4134 struct rt2870_softc_rx_data *data;
4135 int len;
4136
4137 sc = priv;
4138 ifp = sc->ifp;
4139 ring = &sc->rx_ring;
4140
4141 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4142 return;
4143
4144 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4145 "%s: Rx interrupt: %s\n",
4146 device_get_nameunit(sc->dev), usbd_errstr(status));
4147
4148 sc->interrupts++;
4149 sc->rx_interrupts++;
4150
4151 switch (status)
4152 {
4153 case USBD_NORMAL_COMPLETION:
4154 data = STAILQ_FIRST(&ring->active);
4155 if (data == NULL)
4156 break;
4157
4158 STAILQ_REMOVE_HEAD(&ring->active, next);
4159
4160 KASSERT(data->xfer == xfer,
4161 ("%s: Rx interrupt: invalid USB xfer\n",
4162 device_get_nameunit(sc->dev)));
4163
4164 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL);
4165
4166 data->len = len;
4167
4168 STAILQ_INSERT_TAIL(&ring->done, data, next);
4169
4170 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4171 break;
4172
4173 case USBD_CANCELLED:
4174 case USBD_NOT_STARTED:
4175 break;
4176
4177 default:
4178 if (status == USBD_STALLED)
4179 usbd_clear_endpoint_stall_async(ring->usb_pipe);
4180
4181 data = STAILQ_FIRST(&ring->active);
4182 if (data != NULL)
4183 {
4184 STAILQ_REMOVE_HEAD(&ring->active, next);
4185
4186 STAILQ_INSERT_TAIL(&ring->active, data, next);
4187
4188 usbd_setup_xfer(xfer, ring->usb_pipe, sc, data->buf,
4189 RT2870_USB_RX_BULK_BUFLEN, USBD_SHORT_XFER_OK | USBD_NO_COPY,
4190 USBD_NO_TIMEOUT, rt2870_rx_intr);
4191
4192 usbd_transfer(xfer);
4193 }
4194 break;
4195 }
4196 }
4197
4198 /*
4199 * rt2870_tx_intr
4200 */
4201 static void rt2870_tx_intr(usbd_xfer_handle xfer,
4202 usbd_private_handle priv, usbd_status status)
4203 {
4204 struct rt2870_softc *sc;
4205 struct ifnet *ifp;
4206 struct rt2870_softc_tx_ring *ring;
4207 struct rt2870_softc_tx_data *data;
4208
4209 ring = priv;
4210 sc = ring->sc;
4211 ifp = sc->ifp;
4212
4213 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4214 return;
4215
4216 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4217 "%s: Tx interrupt: %s\n",
4218 device_get_nameunit(sc->dev), usbd_errstr(status));
4219
4220 sc->interrupts++;
4221 sc->tx_interrupts[ring->qid]++;
4222
4223 switch (status)
4224 {
4225 case USBD_NORMAL_COMPLETION:
4226 data = STAILQ_FIRST(&ring->active);
4227 if (data == NULL)
4228 break;
4229
4230 STAILQ_REMOVE_HEAD(&ring->active, next);
4231
4232 STAILQ_INSERT_TAIL(&ring->done, data, next);
4233
4234 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4235 break;
4236
4237 case USBD_CANCELLED:
4238 case USBD_NOT_STARTED:
4239 break;
4240
4241 default:
4242 data = STAILQ_FIRST(&ring->active);
4243 if (data != NULL)
4244 {
4245 STAILQ_REMOVE_HEAD(&ring->active, next);
4246
4247 if (data->m != NULL)
4248 {
4249 m_freem(data->m);
4250 data->m = NULL;
4251 }
4252
4253 if (data->ni != NULL)
4254 {
4255 ieee80211_free_node(data->ni);
4256 data->ni = NULL;
4257 }
4258
4259 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4260
4261 ring->queued--;
4262 }
4263
4264 printf("%s: could not transmit buffer: qid=%d, status=%s\n",
4265 device_get_nameunit(sc->dev), ring->qid, usbd_errstr(status));
4266
4267 ifp->if_oerrors++;
4268 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4269
4270 if (status == USBD_STALLED)
4271 usbd_clear_endpoint_stall_async(ring->usb_pipe);
4272 break;
4273 }
4274 }
4275
4276 /*
4277 * rt2870_rx_done_task
4278 */
4279 static void rt2870_rx_done_task(void *context, int pending)
4280 {
4281 struct rt2870_softc *sc;
4282 struct ifnet *ifp;
4283
4284 sc = context;
4285 ifp = sc->ifp;
4286
4287 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4288 "%s: Rx done task\n",
4289 device_get_nameunit(sc->dev));
4290
4291 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4292 return;
4293
4294 if (rt2870_rx_eof(sc, sc->rx_process_limit) != 0)
4295 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4296 }
4297
4298 /*
4299 * rt2870_tx_done_task
4300 */
4301 static void rt2870_tx_done_task(void *context, int pending)
4302 {
4303 struct rt2870_softc *sc;
4304 struct ifnet *ifp;
4305 int i;
4306
4307 sc = context;
4308 ifp = sc->ifp;
4309
4310 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4311 "%s: Tx done task\n",
4312 device_get_nameunit(sc->dev));
4313
4314 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4315 return;
4316
4317 for (i = sc->usb_endpoints - 2; i >= 0; i--)
4318 rt2870_tx_eof(sc, &sc->tx_ring[i]);
4319
4320 sc->tx_timer = 0;
4321
4322 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4323 }
4324
4325 /*
4326 * rt2870_periodic_task
4327 */
4328 static void rt2870_periodic_task(void *context, int pending)
4329 {
4330 struct rt2870_softc *sc;
4331 struct ifnet *ifp;
4332 struct ieee80211com *ic;
4333
4334 sc = context;
4335 ifp = sc->ifp;
4336 ic = &sc->ic;
4337
4338 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
4339 "%s: periodic task: round=%lu\n",
4340 device_get_nameunit(sc->dev), sc->periodic_round);
4341
4342 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4343 return;
4344
4345 sc->periodic_round++;
4346
4347 rt2870_update_stats(sc);
4348
4349 if ((sc->periodic_round % 10) == 0)
4350 {
4351 rt2870_update_raw_counters(sc);
4352
4353 rt2870_watchdog(sc);
4354
4355 if (ic->ic_opmode == IEEE80211_M_STA)
4356 rt2870_amrr_update_iter_func(sc, ic->ic_bss);
4357 else
4358 ieee80211_iterate_nodes(&ic->ic_sta, rt2870_amrr_update_iter_func, sc);
4359 }
4360
4361 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
4362 }
4363
4364 /*
4365 * rt2870_cmd_task
4366 */
4367 static void rt2870_cmd_task(void *context, int pending)
4368 {
4369 struct rt2870_softc *sc;
4370 struct rt2870_softc_cmd_ring *ring;
4371 struct rt2870_softc_cmd *cmd;
4372
4373 sc = context;
4374 ring = &sc->cmd_ring;
4375
4376 while (1)
4377 {
4378 RT2870_SOFTC_LOCK(sc);
4379
4380 cmd = STAILQ_FIRST(&ring->active);
4381 if (cmd == NULL)
4382 {
4383 RT2870_SOFTC_UNLOCK(sc);
4384 break;
4385 }
4386
4387 STAILQ_REMOVE_HEAD(&ring->active, next);
4388
4389 RT2870_SOFTC_UNLOCK(sc);
4390
4391 cmd->cb(sc, cmd->data);
4392
4393 RT2870_SOFTC_LOCK(sc);
4394
4395 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
4396 ring->queued--;
4397
4398 RT2870_SOFTC_UNLOCK(sc);
4399 }
4400 }
4401
4402 /*
4403 * rt2870_rx_eof
4404 */
4405 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit)
4406 {
4407 struct ifnet *ifp;
4408 struct rt2870_softc_rx_ring *ring;
4409 struct rt2870_softc_rx_data *data;
4410 uint32_t dmalen;
4411 uint8_t *buf;
4412 int nframes, len;
4413
4414 ifp = sc->ifp;
4415 ring = &sc->rx_ring;
4416
4417 nframes = 0;
4418
4419 while (limit != 0)
4420 {
4421 RT2870_SOFTC_LOCK(sc);
4422
4423 data = STAILQ_FIRST(&ring->done);
4424 if (data == NULL)
4425 {
4426 RT2870_SOFTC_UNLOCK(sc);
4427 break;
4428 }
4429
4430 STAILQ_REMOVE_HEAD(&ring->done, next);
4431
4432 RT2870_SOFTC_UNLOCK(sc);
4433
4434 buf = data->buf;
4435 len = data->len;
4436
4437 if (len < RT2870_RX_DESC_SIZE)
4438 {
4439 ifp->if_ierrors++;
4440 goto skip;
4441 }
4442
4443 while (len > (sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)))
4444 {
4445 dmalen = (le32toh(*(uint32_t *) buf) & 0xffff);
4446
4447 if (dmalen == 0 || (dmalen & 3) != 0)
4448 {
4449 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4450 "%s: bad DMA len=%u\n",
4451 device_get_nameunit(sc->dev), dmalen);
4452 goto skip;
4453 }
4454
4455 if ((dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)) > len)
4456 {
4457 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4458 "%s: bad DMA len: DMA len=%u, USB len=%d\n",
4459 device_get_nameunit(sc->dev),
4460 (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)), len);
4461 goto skip;
4462 }
4463
4464 nframes++;
4465
4466 rt2870_rx_frame(sc, buf + sizeof(uint32_t), dmalen);
4467
4468 buf += (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
4469 len -= (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
4470 }
4471
4472 skip:
4473
4474 RT2870_SOFTC_LOCK(sc);
4475
4476 STAILQ_INSERT_TAIL(&ring->active, data, next);
4477
4478 RT2870_SOFTC_UNLOCK(sc);
4479
4480 usbd_setup_xfer(data->xfer, ring->usb_pipe, sc, data->buf,
4481 RT2870_USB_RX_BULK_BUFLEN, USBD_SHORT_XFER_OK | USBD_NO_COPY,
4482 USBD_NO_TIMEOUT, rt2870_rx_intr);
4483
4484 usbd_transfer(data->xfer);
4485
4486 limit--;
4487 }
4488
4489 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4490 "%s: Rx eof: nframes=%d\n",
4491 device_get_nameunit(sc->dev), nframes);
4492
4493 sc->rx_packets += nframes;
4494
4495 return (limit == 0);
4496 }
4497
4498 /*
4499 * rt2870_tx_eof
4500 */
4501 static void rt2870_tx_eof(struct rt2870_softc *sc,
4502 struct rt2870_softc_tx_ring *ring)
4503 {
4504 struct ifnet *ifp;
4505 struct rt2870_softc_tx_data *data;
4506 int nframes;
4507
4508 ifp = sc->ifp;
4509
4510 nframes = 0;
4511
4512 while (1)
4513 {
4514 RT2870_SOFTC_LOCK(sc);
4515
4516 data = STAILQ_FIRST(&ring->done);
4517 if (data == NULL)
4518 {
4519 RT2870_SOFTC_UNLOCK(sc);
4520 break;
4521 }
4522
4523 STAILQ_REMOVE_HEAD(&ring->done, next);
4524
4525 RT2870_SOFTC_UNLOCK(sc);
4526
4527 nframes++;
4528
4529 if (data->m->m_flags & M_TXCB)
4530 ieee80211_process_callback(data->ni, data->m, 0);
4531
4532 m_freem(data->m);
4533
4534 ieee80211_free_node(data->ni);
4535
4536 data->m = NULL;
4537 data->ni = NULL;
4538
4539 RT2870_SOFTC_LOCK(sc);
4540
4541 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4542
4543 ring->queued--;
4544
4545 RT2870_SOFTC_UNLOCK(sc);
4546
4547 ifp->if_opackets++;
4548 }
4549
4550 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4551 "%s: Tx eof: qid=%d, nframes=%d\n",
4552 device_get_nameunit(sc->dev), ring->qid, nframes);
4553 }
4554
4555 /*
4556 * rt2870_update_stats
4557 */
4558 static void rt2870_update_stats(struct rt2870_softc *sc)
4559 {
4560 struct ifnet *ifp;
4561 struct ieee80211com *ic;
4562 struct ieee80211_node *ni;
4563 uint16_t associd;
4564 uint8_t wcid;
4565 uint32_t stacnt[3];
4566 int txcnt, retrycnt, failcnt;
4567
4568 ifp = sc->ifp;
4569 ic = ifp->if_l2com;
4570
4571 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
4572 "%s: update statistic\n",
4573 device_get_nameunit(sc->dev));
4574
4575 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4576 return;
4577
4578 rt2870_drain_fifo_stats(sc);
4579
4580 if (ic->ic_opmode == IEEE80211_M_STA)
4581 {
4582 ni = ic->ic_bss;
4583
4584 associd = (ni != NULL) ? ni->ni_associd : 0;
4585 wcid = RT2870_AID2WCID(associd);
4586
4587 /* read and clear Tx statistic registers */
4588
4589 rt2870_io_mac_read_multi(sc, RT2870_REG_TX_STA_CNT0,
4590 stacnt, sizeof(stacnt));
4591
4592 txcnt = le32toh(stacnt[1]) & 0xffff;
4593 retrycnt = le32toh(stacnt[1]) >> 16;
4594 failcnt = le32toh(stacnt[0]) & 0xffff;
4595
4596 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
4597 "%s: update statistic: associd=0x%04x, txcnt=%d, retrycnt=%d, failcnt=%d\n",
4598 device_get_nameunit(sc->dev),
4599 associd, txcnt, retrycnt, failcnt);
4600
4601 ifp->if_oerrors += failcnt;
4602
4603 rt2870_amrr_tx_update(&sc->amrr_node[wcid],
4604 txcnt + retrycnt + failcnt, txcnt + retrycnt, retrycnt + failcnt);
4605 }
4606 }
4607
4608 /*
4609 * rt2870_watchdog
4610 */
4611 static void rt2870_watchdog(struct rt2870_softc *sc)
4612 {
4613 uint32_t tmp;
4614 int ntries;
4615
4616 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
4617
4618 RT2870_DPRINTF(sc, RT2870_DEBUG_WATCHDOG,
4619 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
4620 device_get_nameunit(sc->dev), tmp);
4621
4622 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) != 0)
4623 {
4624 sc->tx_queue_not_empty[0]++;
4625
4626 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40012);
4627
4628 for (ntries = 0; ntries < 10; ntries++)
4629 {
4630 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
4631 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) == 0)
4632 break;
4633
4634 DELAY(1);
4635 }
4636
4637 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
4638 }
4639
4640 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) != 0)
4641 {
4642 sc->tx_queue_not_empty[1]++;
4643
4644 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf4000a);
4645
4646 for (ntries = 0; ntries < 10; ntries++)
4647 {
4648 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
4649 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) == 0)
4650 break;
4651
4652 DELAY(1);
4653 }
4654
4655 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
4656 }
4657 }
4658
4659 /*
4660 * rt2870_drain_fifo_stats
4661 */
4662 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc)
4663 {
4664 struct ifnet *ifp;
4665 uint32_t stats;
4666 uint8_t wcid, mcs, pid;
4667 int ok, retrycnt;
4668
4669 ifp = sc->ic.ic_ifp;
4670
4671 /* drain Tx status FIFO (maxsize = 16) */
4672
4673 while ((stats = rt2870_io_mac_read(sc, RT2870_REG_TX_STA_FIFO)) &
4674 RT2870_REG_TX_STA_FIFO_VALID)
4675 {
4676 wcid = (stats >> RT2870_REG_TX_STA_FIFO_WCID_SHIFT) &
4677 RT2870_REG_TX_STA_FIFO_WCID_MASK;
4678
4679 /* if no ACK was requested, no feedback is available */
4680
4681 if (!(stats & RT2870_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
4682 continue;
4683
4684 /* update AMRR statistic */
4685
4686 ok = (stats & RT2870_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
4687 retrycnt = 0;
4688
4689 mcs = (stats >> RT2870_REG_TX_STA_FIFO_MCS_SHIFT) &
4690 RT2870_REG_TX_STA_FIFO_MCS_MASK;
4691 pid = (stats >> RT2870_REG_TX_STA_FIFO_PID_SHIFT) &
4692 RT2870_REG_TX_STA_FIFO_PID_MASK;
4693
4694 if (!ok || (mcs + 1) != pid)
4695 retrycnt++;
4696
4697 rt2870_amrr_tx_complete(&sc->amrr_node[wcid],
4698 ok, retrycnt);
4699
4700 if (!ok)
4701 ifp->if_oerrors++;
4702 }
4703 }
4704
4705 /*
4706 * rt2870_update_raw_counters
4707 */
4708 static void rt2870_update_raw_counters(struct rt2870_softc *sc)
4709 {
4710 uint32_t tmp;
4711
4712 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT0);
4713
4714 sc->rx_crc_errors += tmp & 0xffff;
4715 sc->rx_phy_errors += tmp >> 16;
4716
4717 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT1);
4718
4719 sc->rx_false_ccas += tmp & 0xffff;
4720 sc->rx_plcp_errors += tmp >> 16;
4721
4722 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT2);
4723
4724 sc->rx_dup_packets += tmp & 0xffff;
4725 sc->rx_fifo_overflows += tmp >> 16;
4726 }
4727
4728 /*
4729 * rt2870_alloc_rx_ring
4730 */
4731 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
4732 struct rt2870_softc_rx_ring *ring)
4733 {
4734 struct rt2870_softc_rx_data *data;
4735 int i, error;
4736
4737 STAILQ_INIT(&ring->active);
4738 STAILQ_INIT(&ring->done);
4739
4740 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
4741 {
4742 data = &ring->data[i];
4743
4744 data->xfer = usbd_alloc_xfer(sc->usb_dev);
4745 if (data->xfer == NULL)
4746 {
4747 printf("%s: could not allocate Rx xfer\n",
4748 device_get_nameunit(sc->dev));
4749 error = ENOMEM;
4750 goto fail;
4751 }
4752
4753 data->buf = usbd_alloc_buffer(data->xfer, RT2870_USB_RX_BULK_BUFLEN);
4754 if (data->buf == NULL)
4755 {
4756 printf("%s: could not allocate Rx buffer\n",
4757 device_get_nameunit(sc->dev));
4758 error = ENOMEM;
4759 goto fail;
4760 }
4761 }
4762
4763 return 0;
4764
4765 fail:
4766
4767 rt2870_free_rx_ring(sc, ring);
4768
4769 return error;
4770 }
4771
4772 /*
4773 * rt2870_reset_rx_ring
4774 */
4775 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
4776 struct rt2870_softc_rx_ring *ring)
4777 {
4778 STAILQ_INIT(&ring->active);
4779 STAILQ_INIT(&ring->done);
4780 }
4781
4782 /*
4783 * rt2870_free_rx_ring
4784 */
4785 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
4786 struct rt2870_softc_rx_ring *ring)
4787 {
4788 struct rt2870_softc_rx_data *data;
4789 int i;
4790
4791 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
4792 {
4793 data = &ring->data[i];
4794
4795 if (data->xfer != NULL)
4796 {
4797 usbd_free_xfer(data->xfer);
4798 data->xfer = NULL;
4799 }
4800 }
4801 }
4802
4803 /*
4804 * rt2870_alloc_tx_ring
4805 */
4806 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
4807 struct rt2870_softc_tx_ring *ring, int qid)
4808 {
4809 struct rt2870_softc_tx_data *data;
4810 int i, error;
4811
4812 STAILQ_INIT(&ring->inactive);
4813 STAILQ_INIT(&ring->active);
4814 STAILQ_INIT(&ring->done);
4815
4816 ring->sc = sc;
4817 ring->queued = 0;
4818 ring->qid = qid;
4819
4820 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
4821 {
4822 data = &ring->data[i];
4823
4824 data->xfer = usbd_alloc_xfer(sc->usb_dev);
4825 if (data->xfer == NULL)
4826 {
4827 printf("%s: could not allocate Tx xfer\n",
4828 device_get_nameunit(sc->dev));
4829 error = ENOMEM;
4830 goto fail;
4831 }
4832
4833 data->buf = usbd_alloc_buffer(data->xfer,
4834 RT2870_TX_DESC_SIZE + MJUMPAGESIZE);
4835 if (data->buf == NULL)
4836 {
4837 printf("%s: could not allocate Tx buffer\n",
4838 device_get_nameunit(sc->dev));
4839 error = ENOMEM;
4840 goto fail;
4841 }
4842
4843 memset(data->buf, 0, RT2870_TX_DESC_SIZE);
4844
4845 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4846 }
4847
4848 return 0;
4849
4850 fail:
4851
4852 rt2870_free_tx_ring(sc, ring);
4853
4854 return error;
4855 }
4856
4857 /*
4858 * rt2870_reset_tx_ring
4859 */
4860 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
4861 struct rt2870_softc_tx_ring *ring)
4862 {
4863 struct rt2870_softc_tx_data *data;
4864 int i;
4865
4866 STAILQ_INIT(&ring->inactive);
4867 STAILQ_INIT(&ring->active);
4868 STAILQ_INIT(&ring->done);
4869
4870 ring->queued = 0;
4871
4872 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
4873 {
4874 data = &ring->data[i];
4875
4876 if (data->m != NULL)
4877 {
4878 m_free(data->m);
4879 data->m = NULL;
4880 }
4881
4882 if (data->ni != NULL)
4883 {
4884 ieee80211_free_node(data->ni);
4885 data->ni = NULL;
4886 }
4887
4888 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4889 }
4890 }
4891
4892 /*
4893 * rt2870_free_tx_ring
4894 */
4895 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
4896 struct rt2870_softc_tx_ring *ring)
4897 {
4898 struct rt2870_softc_tx_data *data;
4899 int i;
4900
4901 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
4902 {
4903 data = &ring->data[i];
4904
4905 if (data->xfer != NULL)
4906 {
4907 usbd_free_xfer(data->xfer);
4908 data->xfer = NULL;
4909 }
4910
4911 if (data->m != NULL)
4912 {
4913 m_free(data->m);
4914 data->m = NULL;
4915 }
4916
4917 if (data->ni != NULL)
4918 {
4919 ieee80211_free_node(data->ni);
4920 data->ni = NULL;
4921 }
4922 }
4923 }
4924
4925 /*
4926 * rt2870_reset_cmd_ring
4927 */
4928 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
4929 struct rt2870_softc_cmd_ring *ring)
4930 {
4931 struct rt2870_softc_cmd *cmd;
4932 int i;
4933
4934 STAILQ_INIT(&ring->inactive);
4935 STAILQ_INIT(&ring->active);
4936
4937 ring->queued = 0;
4938
4939 for (i = 0; i < RT2870_SOFTC_CMD_RING_CMD_COUNT; i++)
4940 {
4941 cmd = &ring->cmd[i];
4942
4943 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
4944 }
4945 }
4946
4947 /*
4948 * rt2870_sysctl_attach
4949 */
4950 static void rt2870_sysctl_attach(struct rt2870_softc *sc)
4951 {
4952 struct sysctl_ctx_list *ctx;
4953 struct sysctl_oid *tree;
4954 struct sysctl_oid *stats;
4955
4956 ctx = device_get_sysctl_ctx(sc->dev);
4957 tree = device_get_sysctl_tree(sc->dev);
4958
4959 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
4960 "stats", CTLFLAG_RD, 0, "statistic");
4961
4962 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
4963 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
4964 "all interrupts");
4965
4966 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
4967 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
4968 "Rx interrupts");
4969
4970 if (sc->usb_endpoints == (RT2870_SOFTC_TX_RING_COUNT + 1))
4971 {
4972 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
4973 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
4974 "Tx MGMT interrupts");
4975
4976 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
4977 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
4978 "Tx HCCA interrupts");
4979 }
4980
4981 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
4982 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
4983 "Tx AC3 interrupts");
4984
4985 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
4986 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
4987 "Tx AC2 interrupts");
4988
4989 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
4990 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
4991 "Tx AC1 interrupts");
4992
4993 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
4994 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
4995 "Tx AC0 interrupts");
4996
4997 if (sc->usb_endpoints == (RT2870_SOFTC_TX_RING_COUNT + 1))
4998 {
4999 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5000 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].queued, 0,
5001 "Tx MGMT data queued");
5002
5003 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5004 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].queued, 0,
5005 "Tx HCCA data queued");
5006 }
5007
5008 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5009 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].queued, 0,
5010 "Tx AC3 data queued");
5011
5012 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5013 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].queued, 0,
5014 "Tx AC2 data queued");
5015
5016 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5017 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].queued, 0,
5018 "Tx AC1 data queued");
5019
5020 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5021 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].queued, 0,
5022 "Tx AC0 data queued");
5023
5024 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5025 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
5026 "Tx watchdog timeouts");
5027
5028 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5029 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
5030 "Rx mbuf allocation errors");
5031
5032 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5033 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
5034 "Tx queue 0 not empty");
5035
5036 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5037 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
5038 "Tx queue 1 not empty");
5039
5040 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5041 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
5042 "Rx packets");
5043
5044 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5045 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
5046 "Rx CRC errors");
5047
5048 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5049 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
5050 "Rx PHY errors");
5051
5052 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5053 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
5054 "Rx false CCAs");
5055
5056 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5057 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
5058 "Rx PLCP errors");
5059
5060 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5061 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
5062 "Rx duplicate packets");
5063
5064 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5065 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
5066 "Rx FIFO overflows");
5067 }
5068
5069 static device_method_t rt2870_dev_methods[] =
5070 {
5071 DEVMETHOD(device_probe, rt2870_probe),
5072 DEVMETHOD(device_attach, rt2870_attach),
5073 DEVMETHOD(device_detach, rt2870_detach),
5074 { 0, 0 }
5075 };
5076
5077 static driver_t rt2870_driver =
5078 {
5079 "rt2870",
5080 rt2870_dev_methods,
5081 sizeof(struct rt2870_softc),
5082 };
5083
5084 static devclass_t rt2870_dev_class;
5085
5086 DRIVER_MODULE(rt2870, uhub, rt2870_driver, rt2870_dev_class,
5087 usbd_driver_load, 0);
5088
5089 MODULE_DEPEND(rt2870, usb, 1, 1, 1);
5090 MODULE_DEPEND(rt2870, wlan, 1, 1, 1);
FreeBSD 7.2 device driver for Ralink rt2870