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Fixed the problem with HT40- channels
[ralink_drivers/rt2870_fbsd72.git] / rt2870.c
blob003ef2f1740b8639265805e4bec9bc51258f006f
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 |
598 IEEE80211_HTCAP_SHORTGI20 | /* short GI for HT 20MHz */
599 IEEE80211_HTCAP_SHORTGI40 | /* short GI for HT 40MHz */
600 IEEE80211_HTCAP_RXSTBC_2STREAM;
601
602 /* init channels */
603
604 ic->ic_nchans = 0;
605 ic->ic_regdomain = 0;
606 ic->ic_countrycode = CTRY_DEFAULT;
607 ic->ic_location = 0;
608
609 rt2870_init_channels(sc);
610
611 rt2870_init_channels_ht40(sc);
612
613 IEEE80211_ADDR_COPY(ic->ic_myaddr, sc->mac_addr);
614
615 ieee80211_ifattach(ic);
616
617 sc->newstate = ic->ic_newstate;
618 ic->ic_newstate = rt2870_newstate;
619
620 ic->ic_reset = rt2870_reset;
621 ic->ic_scan_start = rt2870_scan_start;
622 ic->ic_scan_end = rt2870_scan_end;
623 ic->ic_set_channel = rt2870_set_channel;
624 ic->ic_newassoc = rt2870_newassoc;
625 ic->ic_updateslot = rt2870_updateslot;
626 ic->ic_wme.wme_update = rt2870_wme_update;
627 ic->ic_update_beacon = rt2870_update_beacon;
628 ic->ic_crypto.cs_key_update_begin = rt2870_key_update_begin;
629 ic->ic_crypto.cs_key_update_end = rt2870_key_update_end;
630 ic->ic_crypto.cs_key_set = rt2870_key_set;
631 ic->ic_crypto.cs_key_delete = rt2870_key_delete;
632 ic->ic_raw_xmit = rt2870_raw_xmit;
633
634 sc->recv_action = ic->ic_recv_action;
635 ic->ic_recv_action = rt2870_recv_action;
636
637 sc->send_action = ic->ic_send_action;
638 ic->ic_send_action = rt2870_send_action;
639
640 /* hardware requires padding between 802.11 frame header and body */
641
642 ic->ic_flags |= IEEE80211_F_WME | IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
643
644 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
645
646 ieee80211_media_init(ic, rt2870_media_change, ieee80211_media_status);
647
648 rt2870_amrr_init(&sc->amrr, ic,
649 RT2870_AMRR_MIN_SUCCESS_THRESHOLD,
650 RT2870_AMRR_MAX_SUCCESS_THRESHOLD,
651 500);
652
653 bpfattach2(ifp, DLT_IEEE802_11_RADIO,
654 sizeof(struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN,
655 &sc->drvbpf);
656
657 sc->rxtap_len = sizeof(sc->rxtapu);
658 sc->rxtap.ihdr.it_len = htole16(sc->rxtap_len);
659 sc->rxtap.ihdr.it_present = htole32(RT2870_SOFTC_RX_RADIOTAP_PRESENT);
660
661 sc->txtap_len = sizeof(sc->txtapu);
662 sc->txtap.ihdr.it_len = htole16(sc->txtap_len);
663 sc->txtap.ihdr.it_present = htole32(RT2870_SOFTC_TX_RADIOTAP_PRESENT);
664
665 /* init task queue */
666
667 TASK_INIT(&sc->rx_done_task, 0, rt2870_rx_done_task, sc);
668 TASK_INIT(&sc->tx_done_task, 0, rt2870_tx_done_task, sc);
669 TASK_INIT(&sc->periodic_task, 0, rt2870_periodic_task, sc);
670 TASK_INIT(&sc->cmd_task, 0, rt2870_cmd_task, sc);
671
672 sc->rx_process_limit = 100;
673
674 sc->taskqueue = taskqueue_create("rt2870_taskq", M_NOWAIT,
675 taskqueue_thread_enqueue, &sc->taskqueue);
676
677 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
678 device_get_nameunit(sc->dev));
679
680 rt2870_sysctl_attach(sc);
681
682 if (bootverbose)
683 ieee80211_announce(ic);
684
685 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->usb_dev, sc->dev);
686
687 return 0;
688
689 fail:
690
691 /* close Tx and Rx USB bulk pipes */
692
693 if (sc->rx_ring.usb_pipe != NULL)
694 {
695 usbd_abort_pipe(sc->rx_ring.usb_pipe);
696 usbd_close_pipe(sc->rx_ring.usb_pipe);
697 sc->rx_ring.usb_pipe = NULL;
698 }
699
700 for (i = 0; i < sc->usb_endpoints - 1; i++)
701 {
702 if (sc->tx_ring[i].usb_pipe != NULL)
703 {
704 usbd_abort_pipe(sc->tx_ring[i].usb_pipe);
705 usbd_close_pipe(sc->tx_ring[i].usb_pipe);
706 sc->tx_ring[i].usb_pipe = NULL;
707 }
708 }
709
710 /* free Tx and Rx rings */
711
712 for (i = 0; i < sc->usb_endpoints - 1; i++)
713 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
714
715 rt2870_free_rx_ring(sc, &sc->rx_ring);
716
717 return error;
718 }
719
720 /*
721 * rt2870_detach
722 */
723 static int rt2870_detach(device_t dev)
724 {
725 struct rt2870_softc *sc;
726 struct ieee80211com *ic;
727 struct ifnet *ifp;
728 int i;
729
730 if (!device_is_attached(dev))
731 return 0;
732
733 sc = device_get_softc(dev);
734 ic = &sc->ic;
735 ifp = ic->ic_ifp;
736
737 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
738 "%s: detaching\n",
739 device_get_nameunit(sc->dev));
740
741 sc->tx_timer = 0;
742
743 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
744
745 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
746
747 callout_stop(&sc->periodic_ch);
748 callout_stop(&sc->tx_watchdog_ch);
749
750 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
751 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
752 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
753 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
754
755 /* close Tx and Rx USB bulk pipes */
756
757 if (sc->rx_ring.usb_pipe != NULL)
758 {
759 usbd_abort_pipe(sc->rx_ring.usb_pipe);
760 usbd_close_pipe(sc->rx_ring.usb_pipe);
761 sc->rx_ring.usb_pipe = NULL;
762 }
763
764 for (i = 0; i < sc->usb_endpoints - 1; i++)
765 {
766 if (sc->tx_ring[i].usb_pipe != NULL)
767 {
768 usbd_abort_pipe(sc->tx_ring[i].usb_pipe);
769 usbd_close_pipe(sc->tx_ring[i].usb_pipe);
770 sc->tx_ring[i].usb_pipe = NULL;
771 }
772 }
773
774 /* free Tx and Rx rings */
775
776 for (i = 0; i < sc->usb_endpoints - 1; i++)
777 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
778
779 rt2870_free_rx_ring(sc, &sc->rx_ring);
780
781 bpfdetach(ifp);
782
783 ieee80211_ifdetach(ic);
784
785 if_free(ifp);
786
787 taskqueue_free(sc->taskqueue);
788
789 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->usb_dev, sc->dev);
790
791 return 0;
792 }
793
794 /*
795 * rt2870_find_usb_endpoints
796 */
797 static int rt2870_find_usb_endpoints(struct rt2870_softc *sc)
798 {
799 usb_interface_descriptor_t *id;
800 usb_endpoint_descriptor_t *ed;
801 int i, j;
802
803 id = usbd_get_interface_descriptor(sc->usb_iface);
804
805 sc->usb_endpoints = id->bNumEndpoints;
806 if ((sc->usb_endpoints != (RT2870_SOFTC_TX_RING_COUNT + 1)) &&
807 (sc->usb_endpoints != (RT2870_SOFTC_TX_RING_COUNT - 2 + 1)))
808 {
809 printf("%s: wrong number of USB endpoints=%d\n",
810 device_get_nameunit(sc->dev), sc->usb_endpoints);
811 return ENXIO;
812 }
813
814 sc->rx_ring.usb_ep = -1;
815
816 for (i = 0; i < RT2870_SOFTC_TX_RING_COUNT; i++)
817 sc->tx_ring[i].usb_ep = -1;
818
819 for (i = 0, j = 0; i < id->bNumEndpoints; i++)
820 {
821 ed = usbd_interface2endpoint_descriptor(sc->usb_iface, i);
822 if (ed == NULL)
823 {
824 printf("%s: no endpoint descriptor #%d for USB interface\n",
825 device_get_nameunit(sc->dev), i);
826 return ENXIO;
827 }
828
829 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
830 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
831 {
832 sc->rx_ring.usb_ep = ed->bEndpointAddress;
833 }
834 else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
835 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
836 {
837 if (j < RT2870_SOFTC_TX_RING_COUNT)
838 sc->tx_ring[j++].usb_ep = ed->bEndpointAddress;
839 else
840 sc->tx_ring[RT2870_SOFTC_TX_RING_COUNT - 1].usb_ep =
841 ed->bEndpointAddress;
842 }
843 }
844
845 if ((sc->rx_ring.usb_ep == -1) ||
846 ((j != RT2870_SOFTC_TX_RING_COUNT) && (j != RT2870_SOFTC_TX_RING_COUNT - 2)))
847 {
848 printf("%s: missing USB endpoints\n",
849 device_get_nameunit(sc->dev));
850 return ENXIO;
851 }
852
853 return 0;
854 }
855
856 /*
857 * rt2870_init_channels
858 */
859 static void rt2870_init_channels(struct rt2870_softc *sc)
860 {
861 struct ieee80211com *ic;
862 struct ieee80211_channel *c;
863 int i, flags;
864
865 ic = &sc->ic;
866
867 /* set supported channels for 2GHz band */
868
869 for (i = 1; i <= 14; i++)
870 {
871 c = &ic->ic_channels[ic->ic_nchans++];
872 flags = IEEE80211_CHAN_B;
873
874 c->ic_freq = ieee80211_ieee2mhz(i, flags);
875 c->ic_ieee = i;
876 c->ic_flags = flags;
877
878 c = &ic->ic_channels[ic->ic_nchans++];
879 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
880
881 c->ic_freq = ieee80211_ieee2mhz(i, flags);
882 c->ic_ieee = i;
883 c->ic_flags = flags;
884
885 c = &ic->ic_channels[ic->ic_nchans++];
886 flags = IEEE80211_CHAN_G;
887
888 c->ic_freq = ieee80211_ieee2mhz(i, flags);
889 c->ic_ieee = i;
890 c->ic_flags = flags;
891
892 c = &ic->ic_channels[ic->ic_nchans++];
893 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
894
895 c->ic_freq = ieee80211_ieee2mhz(i, flags);
896 c->ic_ieee = i;
897 c->ic_flags = flags;
898 }
899
900 /* set supported channels for 5GHz band */
901
902 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
903 sc->rf_rev == RT2870_EEPROM_RF_2750)
904 {
905 for (i = 36; i <= 64; i += 4)
906 {
907 c = &ic->ic_channels[ic->ic_nchans++];
908 flags = IEEE80211_CHAN_A;
909
910 c->ic_freq = ieee80211_ieee2mhz(i, flags);
911 c->ic_ieee = i;
912 c->ic_flags = flags;
913
914 c = &ic->ic_channels[ic->ic_nchans++];
915 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
916
917 c->ic_freq = ieee80211_ieee2mhz(i, flags);
918 c->ic_ieee = i;
919 c->ic_flags = flags;
920 }
921
922 for (i = 100; i <= 140; 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 = 149; i <= 165; 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 }
957
958 /*
959 * rt2870_init_channels_ht40
960 */
961 static void rt2870_init_channels_ht40(struct rt2870_softc *sc)
962 {
963 struct ieee80211com *ic;
964 struct ieee80211_channel *c, *cent, *ext;
965 int i, flags;
966
967 ic = &sc->ic;
968
969 /* set supported channels for 2GHz band */
970
971 for (i = 1; i <= 14; i++)
972 {
973 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
974
975 /* find the center channel */
976
977 cent = ieee80211_find_channel_byieee(ic, i,
978 flags & ~IEEE80211_CHAN_HT);
979 if (cent == NULL)
980 {
981 printf("%s: skip channel %d, could not find center channel\n",
982 device_get_nameunit(sc->dev), i);
983 continue;
984 }
985
986 /* find the extension channel */
987
988 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
989 flags & ~IEEE80211_CHAN_HT);
990 if (ext == NULL)
991 {
992 printf("%s: skip channel %d, could not find extension channel\n",
993 device_get_nameunit(sc->dev), i);
994 continue;
995 }
996
997 c = &ic->ic_channels[ic->ic_nchans++];
998
999 *c = *cent;
1000 c->ic_extieee = ext->ic_ieee;
1001 c->ic_flags &= ~IEEE80211_CHAN_HT;
1002 c->ic_flags |= IEEE80211_CHAN_HT40U;
1003
1004 c = &ic->ic_channels[ic->ic_nchans++];
1005
1006 *c = *ext;
1007 c->ic_extieee = cent->ic_ieee;
1008 c->ic_flags &= ~IEEE80211_CHAN_HT;
1009 c->ic_flags |= IEEE80211_CHAN_HT40D;
1010 }
1011
1012 /* set supported channels for 5GHz band */
1013
1014 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
1015 sc->rf_rev == RT2870_EEPROM_RF_2750)
1016 {
1017 for (i = 36; i <= 64; i += 4)
1018 {
1019 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1020
1021 /* find the center channel */
1022
1023 cent = ieee80211_find_channel_byieee(ic, i,
1024 flags & ~IEEE80211_CHAN_HT);
1025 if (cent == NULL)
1026 {
1027 printf("%s: skip channel %d, could not find center channel\n",
1028 device_get_nameunit(sc->dev), i);
1029 continue;
1030 }
1031
1032 /* find the extension channel */
1033
1034 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1035 flags & ~IEEE80211_CHAN_HT);
1036 if (ext == NULL)
1037 {
1038 printf("%s: skip channel %d, could not find extension channel\n",
1039 device_get_nameunit(sc->dev), i);
1040 continue;
1041 }
1042
1043 c = &ic->ic_channels[ic->ic_nchans++];
1044
1045 *c = *cent;
1046 c->ic_extieee = ext->ic_ieee;
1047 c->ic_flags &= ~IEEE80211_CHAN_HT;
1048 c->ic_flags |= IEEE80211_CHAN_HT40U;
1049
1050 c = &ic->ic_channels[ic->ic_nchans++];
1051
1052 *c = *ext;
1053 c->ic_extieee = cent->ic_ieee;
1054 c->ic_flags &= ~IEEE80211_CHAN_HT;
1055 c->ic_flags |= IEEE80211_CHAN_HT40D;
1056 }
1057
1058 for (i = 100; i <= 140; i += 4)
1059 {
1060 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1061
1062 /* find the center channel */
1063
1064 cent = ieee80211_find_channel_byieee(ic, i,
1065 flags & ~IEEE80211_CHAN_HT);
1066 if (cent == NULL)
1067 {
1068 printf("%s: skip channel %d, could not find center channel\n",
1069 device_get_nameunit(sc->dev), i);
1070 continue;
1071 }
1072
1073 /* find the extension channel */
1074
1075 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1076 flags & ~IEEE80211_CHAN_HT);
1077 if (ext == NULL)
1078 {
1079 printf("%s: skip channel %d, could not find extension channel\n",
1080 device_get_nameunit(sc->dev), i);
1081 continue;
1082 }
1083
1084 c = &ic->ic_channels[ic->ic_nchans++];
1085
1086 *c = *cent;
1087 c->ic_extieee = ext->ic_ieee;
1088 c->ic_flags &= ~IEEE80211_CHAN_HT;
1089 c->ic_flags |= IEEE80211_CHAN_HT40U;
1090
1091 c = &ic->ic_channels[ic->ic_nchans++];
1092
1093 *c = *ext;
1094 c->ic_extieee = cent->ic_ieee;
1095 c->ic_flags &= ~IEEE80211_CHAN_HT;
1096 c->ic_flags |= IEEE80211_CHAN_HT40D;
1097 }
1098
1099 for (i = 149; i <= 165; i += 4)
1100 {
1101 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1102
1103 /* find the center channel */
1104
1105 cent = ieee80211_find_channel_byieee(ic, i,
1106 flags & ~IEEE80211_CHAN_HT);
1107 if (cent == NULL)
1108 {
1109 printf("%s: skip channel %d, could not find center channel\n",
1110 device_get_nameunit(sc->dev), i);
1111 continue;
1112 }
1113
1114 /* find the extension channel */
1115
1116 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1117 flags & ~IEEE80211_CHAN_HT);
1118 if (ext == NULL)
1119 {
1120 printf("%s: skip channel %d, could not find extension channel\n",
1121 device_get_nameunit(sc->dev), i);
1122 continue;
1123 }
1124
1125 c = &ic->ic_channels[ic->ic_nchans++];
1126
1127 *c = *cent;
1128 c->ic_extieee = ext->ic_ieee;
1129 c->ic_flags &= ~IEEE80211_CHAN_HT;
1130 c->ic_flags |= IEEE80211_CHAN_HT40U;
1131
1132 c = &ic->ic_channels[ic->ic_nchans++];
1133
1134 *c = *ext;
1135 c->ic_extieee = cent->ic_ieee;
1136 c->ic_flags &= ~IEEE80211_CHAN_HT;
1137 c->ic_flags |= IEEE80211_CHAN_HT40D;
1138 }
1139 }
1140 }
1141
1142 /*
1143 * rt2870_init_locked
1144 */
1145 static void rt2870_init_locked(void *priv)
1146 {
1147 struct rt2870_softc *sc;
1148 struct ieee80211com *ic;
1149 struct ifnet *ifp;
1150 struct rt2870_softc_rx_data *data;
1151 int ntries, error, i;
1152 uint32_t tmp, stacnt[6];
1153
1154 sc = priv;
1155 ic = &sc->ic;
1156 ifp = ic->ic_ifp;
1157
1158 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1159 "%s: initializing\n",
1160 device_get_nameunit(sc->dev));
1161
1162 if (!(sc->flags & RT2870_SOFTC_FLAGS_UCODE_LOADED))
1163 {
1164 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1165 "%s: loading 8051 microcode\n",
1166 device_get_nameunit(sc->dev));
1167
1168 error = rt2870_io_mcu_load_ucode(sc, rt2870_ucode, sizeof(rt2870_ucode));
1169 if (error != 0)
1170 {
1171 printf("%s: could not load 8051 microcode\n",
1172 device_get_nameunit(sc->dev));
1173 goto fail;
1174 }
1175
1176 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1177 "%s: 8051 microcode was successfully loaded\n",
1178 device_get_nameunit(sc->dev));
1179
1180 sc->flags |= RT2870_SOFTC_FLAGS_UCODE_LOADED;
1181 }
1182
1183 /* wait while DMA engine is busy */
1184
1185 for (ntries = 0; ntries < 100; ntries++)
1186 {
1187 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
1188 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
1189 break;
1190
1191 DELAY(1000);
1192 }
1193
1194 if (ntries == 100)
1195 {
1196 printf("%s: timeout waiting for DMA engine\n",
1197 device_get_nameunit(sc->dev));
1198 goto fail;
1199 }
1200
1201 tmp &= 0xff0;
1202 tmp |= RT2870_REG_TX_WB_DDONE;
1203
1204 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1205
1206 /* PBF hardware reset */
1207
1208 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_SYS_CTRL);
1209
1210 tmp &= ~(1 << 13);
1211
1212 rt2870_io_mac_write(sc, RT2870_REG_PBF_SYS_CTRL, tmp);
1213
1214 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1215 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1216
1217 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1218
1219 rt2870_io_mcu_reset(sc);
1220
1221 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1222
1223 /* init Tx power per rate */
1224
1225 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
1226 {
1227 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1228 continue;
1229
1230 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i),
1231 sc->txpow_rate_20mhz[i]);
1232 }
1233
1234 for (i = 0; i < RT2870_DEF_MAC_SIZE; i++)
1235 rt2870_io_mac_write(sc, rt2870_def_mac[i].reg,
1236 rt2870_def_mac[i].val);
1237
1238 /* wait while MAC is busy */
1239
1240 for (ntries = 0; ntries < 100; ntries++)
1241 {
1242 if (!(rt2870_io_mac_read(sc, RT2870_REG_STATUS_CFG) &
1243 (RT2870_REG_STATUS_TX_BUSY | RT2870_REG_STATUS_RX_BUSY)))
1244 break;
1245
1246 DELAY(1000);
1247 }
1248
1249 if (ntries == 100)
1250 {
1251 printf("%s: timeout waiting for MAC\n",
1252 device_get_nameunit(sc->dev));
1253 goto fail;
1254 }
1255
1256 /* clear Host to MCU mailbox */
1257
1258 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX_BBP_AGENT, 0);
1259 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX, 0);
1260
1261 DELAY(1000);
1262
1263 error = rt2870_init_bbp(sc);
1264 if (error != 0)
1265 goto fail;
1266
1267 /* set up maximum buffer sizes */
1268
1269 tmp = (1 << 12) | RT2870_MAX_AGG_SIZE;
1270
1271 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1272 {
1273 tmp &= 0xfff;
1274 tmp |= 0x2000;
1275 }
1276
1277 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1278
1279 /* set mac address */
1280
1281 IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp));
1282
1283 rt2870_asic_set_macaddr(sc, ic->ic_myaddr);
1284
1285 /* clear statistic registers */
1286
1287 rt2870_io_mac_read_multi(sc, RT2870_REG_RX_STA_CNT0,
1288 stacnt, sizeof(stacnt));
1289
1290 /* send LEDs operating mode to microcontroller */
1291
1292 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED1,
1293 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1294 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED2,
1295 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1296 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED3,
1297 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1298
1299 /* write vendor-specific BBP values (from EEPROM) */
1300
1301 for (i = 0; i < RT2870_SOFTC_BBP_EEPROM_COUNT; i++)
1302 {
1303 if (sc->bbp_eeprom[i].reg == 0x00 ||
1304 sc->bbp_eeprom[i].reg == 0xff)
1305 continue;
1306
1307 rt2870_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1308 sc->bbp_eeprom[i].val);
1309 }
1310
1311 /* disable non-existing Rx chains */
1312
1313 tmp = rt2870_io_bbp_read(sc, 3);
1314
1315 tmp &= ~((1 << 4) | (1 << 3));
1316
1317 if (sc->nrxpath == 3)
1318 tmp |= (1 << 4);
1319 else if (sc->nrxpath == 2)
1320 tmp |= (1 << 3);
1321
1322 rt2870_io_bbp_write(sc, 3, tmp);
1323
1324 /* disable non-existing Tx chains */
1325
1326 tmp = rt2870_io_bbp_read(sc, 1);
1327
1328 if (sc->ntxpath == 1)
1329 tmp &= ~((1 << 4) | (1 << 3));
1330
1331 rt2870_io_bbp_write(sc, 1, tmp);
1332
1333 tmp = rt2870_io_bbp_read(sc, 4);
1334
1335 tmp &= ~0x18;
1336
1337 rt2870_io_bbp_write(sc, 4, tmp);
1338
1339 /* set current channel */
1340
1341 rt2870_rf_set_chan(sc, ic->ic_curchan);
1342
1343 /* turn radio LED on */
1344
1345 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON);
1346
1347 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_BOOT,
1348 RT2870_REG_H2M_TOKEN_NO_INTR, 0);
1349
1350 /* set RTS threshold */
1351
1352 rt2870_asic_update_rtsthreshold(sc);
1353
1354 /* set Tx power */
1355
1356 rt2870_asic_update_txpower(sc);
1357
1358 /* set up protection mode */
1359
1360 rt2870_asic_updateprot(sc);
1361
1362 /* clear key tables */
1363
1364 rt2870_asic_clear_keytables(sc);
1365
1366 /* enable Tx/Rx DMA engine */
1367
1368 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_USB_CYC_CFG);
1369
1370 tmp &= 0xffffff00;
1371 tmp |= 0x1e;
1372
1373 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_CYC_CFG, tmp);
1374
1375 if ((sc->mac_rev & 0xffff) != 0x0101)
1376 rt2870_io_mac_write(sc, RT2870_REG_TX_TXOP_CTRL_CFG, 0x583f);
1377
1378 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, RT2870_REG_TX_ENABLE);
1379
1380 for (ntries = 0; ntries < 200; ntries++)
1381 {
1382 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
1383 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
1384 break;
1385
1386 DELAY(1000);
1387 }
1388
1389 if (ntries == 200)
1390 {
1391 printf("%s: timeout waiting for DMA engine\n",
1392 device_get_nameunit(sc->dev));
1393 goto fail;
1394 }
1395
1396 DELAY(50);
1397
1398 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1399 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
1400 (48 << 16) | 96);
1401
1402 tmp |= RT2870_REG_TX_WB_DDONE |
1403 RT2870_REG_RX_DMA_ENABLE |
1404 RT2870_REG_TX_DMA_ENABLE;
1405
1406 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1407
1408 tmp = RT2870_REG_USB_DMA_TX_ENABLE |
1409 RT2870_REG_USB_DMA_RX_ENABLE |
1410 RT2870_REG_USB_DMA_RX_AGG_ENABLE |
1411 /* Rx agg limit in unit of 1024 byte */
1412 ((RT2870_USB_RX_BULK_BUFLEN / 1024 - 3) << RT2870_REG_USB_DMA_RX_AGG_LIMIT_SHIFT) |
1413 /* Rx agg timeout in unit of 33ns */
1414 0x80;
1415
1416 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, tmp);
1417
1418 /* set Rx filter */
1419
1420 tmp = RT2870_REG_RX_FILTER_DROP_CRC_ERR |
1421 RT2870_REG_RX_FILTER_DROP_PHY_ERR;
1422
1423 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1424 {
1425 tmp |= RT2870_REG_RX_FILTER_DROP_DUPL |
1426 RT2870_REG_RX_FILTER_DROP_CTS |
1427 RT2870_REG_RX_FILTER_DROP_BA |
1428 RT2870_REG_RX_FILTER_DROP_ACK |
1429 RT2870_REG_RX_FILTER_DROP_VER_ERR |
1430 RT2870_REG_RX_FILTER_DROP_CTRL_RSV |
1431 RT2870_REG_RX_FILTER_DROP_CFACK |
1432 RT2870_REG_RX_FILTER_DROP_CFEND;
1433
1434 if (ic->ic_opmode == IEEE80211_M_STA)
1435 tmp |= RT2870_REG_RX_FILTER_DROP_RTS |
1436 RT2870_REG_RX_FILTER_DROP_PSPOLL;
1437
1438 if (!(ifp->if_flags & IFF_PROMISC))
1439 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
1440 }
1441
1442 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
1443
1444 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1445 RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
1446
1447 /* clear garbage interrupts */
1448
1449 tmp = rt2870_io_mac_read(sc, 0x1300);
1450
1451 taskqueue_unblock(sc->taskqueue);
1452
1453 /* init Tx and Rx rings */
1454
1455 for(i = 0; i < sc->usb_endpoints - 1; i++)
1456 rt2870_reset_tx_ring(sc, &sc->tx_ring[i]);
1457
1458 rt2870_reset_rx_ring(sc, &sc->rx_ring);
1459
1460 rt2870_reset_cmd_ring(sc, &sc->cmd_ring);
1461
1462 /* start up the receive pipe */
1463
1464 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
1465 {
1466 data = &sc->rx_ring.data[i];
1467
1468 STAILQ_INSERT_TAIL(&sc->rx_ring.active, data, next);
1469
1470 usbd_setup_xfer(data->xfer, sc->rx_ring.usb_pipe, sc, data->buf,
1471 RT2870_USB_RX_BULK_BUFLEN, USBD_SHORT_XFER_OK | USBD_NO_COPY,
1472 USBD_NO_TIMEOUT, rt2870_rx_intr);
1473
1474 usbd_transfer(data->xfer);
1475 }
1476
1477 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1478 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1479
1480 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1481 {
1482 if (ic->ic_roaming != IEEE80211_ROAMING_MANUAL)
1483 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
1484 }
1485 else
1486 {
1487 ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
1488 }
1489
1490 sc->periodic_round = 0;
1491
1492 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
1493
1494 return;
1495
1496 fail:
1497
1498 rt2870_stop_locked(sc);
1499 }
1500
1501 /*
1502 * rt2870_init
1503 */
1504 static void rt2870_init(void *priv)
1505 {
1506 struct rt2870_softc *sc;
1507
1508 sc = priv;
1509
1510 rt2870_init_locked(sc);
1511 }
1512
1513 /*
1514 * rt2870_init_bbp
1515 */
1516 static int rt2870_init_bbp(struct rt2870_softc *sc)
1517 {
1518 int ntries, i;
1519 uint8_t tmp;
1520
1521 for (ntries = 0; ntries < 20; ntries++)
1522 {
1523 tmp = rt2870_io_bbp_read(sc, 0);
1524 if (tmp != 0x00 && tmp != 0xff)
1525 break;
1526 }
1527
1528 if (tmp == 0x00 || tmp == 0xff)
1529 {
1530 printf("%s: timeout waiting for BBP to wakeup\n",
1531 device_get_nameunit(sc->dev));
1532 return ETIMEDOUT;
1533 }
1534
1535 for (i = 0; i < RT2870_DEF_BBP_SIZE; i++)
1536 rt2870_io_bbp_write(sc, rt2870_def_bbp[i].reg,
1537 rt2870_def_bbp[i].val);
1538
1539 if ((sc->mac_rev & 0xffff) != 0x0101)
1540 rt2870_io_bbp_write(sc, 84, 0x19);
1541
1542 return 0;
1543 }
1544
1545 /*
1546 * rt2870_stop
1547 */
1548 static void rt2870_stop_locked(void *priv)
1549 {
1550 struct rt2870_softc *sc;
1551 struct ieee80211com *ic;
1552 struct ifnet *ifp;
1553 uint32_t tmp;
1554 int i;
1555
1556 sc = priv;
1557 ic = &sc->ic;
1558 ifp = ic->ic_ifp;
1559
1560 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1561 "%s: stopping\n",
1562 device_get_nameunit(sc->dev));
1563
1564 sc->tx_timer = 0;
1565
1566 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1567 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
1568
1569 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1570
1571 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
1572
1573 callout_stop(&sc->periodic_ch);
1574 callout_stop(&sc->tx_watchdog_ch);
1575
1576 taskqueue_block(sc->taskqueue);
1577
1578 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1579 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1580 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1581 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
1582
1583 /* clear key tables */
1584
1585 rt2870_asic_clear_keytables(sc);
1586
1587 /* disable Tx/Rx */
1588
1589 tmp = rt2870_io_mac_read(sc, RT2870_REG_SYS_CTRL);
1590
1591 tmp &= ~(RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
1592
1593 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, tmp);
1594
1595 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1596
1597 /* reset adapter */
1598
1599 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1600 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1601 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1602
1603 /* abort any pending transfers */
1604
1605 if (sc->rx_ring.usb_pipe != NULL)
1606 usbd_abort_pipe(sc->rx_ring.usb_pipe);
1607
1608 for (i = 0; i < sc->usb_endpoints - 1; i++)
1609 if (sc->tx_ring[i].usb_pipe != NULL)
1610 usbd_abort_pipe(sc->tx_ring[i].usb_pipe);
1611 }
1612
1613 /*
1614 * rt2870_stop
1615 */
1616 static void rt2870_stop(void *priv)
1617 {
1618 struct rt2870_softc *sc;
1619
1620 sc = priv;
1621
1622 rt2870_stop_locked(sc);
1623 }
1624
1625 /*
1626 * rt2870_start
1627 */
1628 static void rt2870_start(struct ifnet *ifp)
1629 {
1630 struct rt2870_softc *sc;
1631 struct ieee80211com *ic;
1632 struct ieee80211_node *ni;
1633 struct ether_header *eh;
1634 struct mbuf *m;
1635 int qid;
1636
1637 sc = ifp->if_softc;
1638 ic = &sc->ic;
1639
1640 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1641 return;
1642
1643 for (;;)
1644 {
1645 IF_POLL(&ic->ic_mgtq, m);
1646 if (m != NULL)
1647 {
1648 if (sc->tx_ring[sc->tx_ring_mgtqid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1649 {
1650 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1651 "%s: if_start: Tx ring with qid=%d is full\n",
1652 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
1653
1654 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1655 break;
1656 }
1657
1658 IF_DEQUEUE(&ic->ic_mgtq, m);
1659
1660 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1661 m->m_pkthdr.rcvif = NULL;
1662
1663 if (bpf_peers_present(ic->ic_rawbpf))
1664 bpf_mtap(ic->ic_rawbpf, m);
1665
1666 if (rt2870_tx_frame(sc, m, ni, sc->tx_ring_mgtqid) != 0)
1667 break;
1668 }
1669 else
1670 {
1671 if (ic->ic_state != IEEE80211_S_RUN)
1672 break;
1673
1674 IF_POLL(&ifp->if_snd, m);
1675 if (m == NULL)
1676 break;
1677
1678 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1679
1680 if (ic->ic_flags & IEEE80211_F_SCAN)
1681 ieee80211_cancel_scan(ic);
1682
1683 if (m->m_len < sizeof(struct ether_header) &&
1684 !(m = m_pullup(m, sizeof (struct ether_header))))
1685 continue;
1686
1687 eh = mtod(m, struct ether_header *);
1688
1689 ni = ieee80211_find_txnode(ic, eh->ether_dhost);
1690 if (ni == NULL)
1691 {
1692 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1693 "%s: if_start: could not find Tx node\n",
1694 device_get_nameunit(sc->dev));
1695
1696 m_freem(m);
1697 continue;
1698 }
1699
1700 ieee80211_classify(ic, m, ni);
1701
1702 qid = M_WME_GETAC(m);
1703
1704 if (sc->tx_ring[qid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1705 {
1706 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1707 "%s: if_start: Tx ring with qid=%d is full\n",
1708 device_get_nameunit(sc->dev), qid);
1709
1710 m_freem(m);
1711 ieee80211_free_node(ni);
1712 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1713 ifp->if_oerrors++;
1714 break;
1715 }
1716
1717 BPF_MTAP(ifp, m);
1718
1719 m = ieee80211_encap(ic, m, ni);
1720 if (m == NULL)
1721 {
1722 ieee80211_free_node(ni);
1723 ifp->if_oerrors++;
1724 continue;
1725 }
1726
1727 if (bpf_peers_present(ic->ic_rawbpf))
1728 bpf_mtap(ic->ic_rawbpf, m);
1729
1730 if (rt2870_tx_frame(sc, m, ni, qid) != 0)
1731 {
1732 ieee80211_free_node(ni);
1733 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1734 ifp->if_oerrors++;
1735 break;
1736 }
1737 }
1738
1739 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
1740
1741 ic->ic_lastdata = ticks;
1742
1743 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
1744 }
1745 }
1746
1747 /*
1748 * rt2870_ioctl
1749 */
1750 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1751 {
1752 struct rt2870_softc *sc;
1753 struct ieee80211com *ic;
1754 int error;
1755
1756 sc = ifp->if_softc;
1757 ic = &sc->ic;
1758
1759 error = 0;
1760
1761 switch (cmd)
1762 {
1763 case SIOCSIFFLAGS:
1764 if (ifp->if_flags & IFF_UP)
1765 {
1766 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1767 {
1768 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1769 rt2870_asic_update_promisc(sc);
1770 }
1771 else
1772 {
1773 rt2870_init_locked(sc);
1774 }
1775 }
1776 else
1777 {
1778 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1779 rt2870_stop_locked(sc);
1780 }
1781
1782 sc->if_flags = ifp->if_flags;
1783 break;
1784
1785 default:
1786 error = ieee80211_ioctl(ic, cmd, data);
1787 }
1788
1789 if (error == ENETRESET)
1790 {
1791 if ((ifp->if_flags & IFF_UP) &&
1792 (ifp->if_drv_flags & IFF_DRV_RUNNING) &&
1793 (ic->ic_roaming != IEEE80211_ROAMING_MANUAL))
1794 {
1795 rt2870_stop_locked(sc);
1796 rt2870_init_locked(sc);
1797 }
1798
1799 error = 0;
1800 }
1801
1802 return error;
1803 }
1804
1805 /*
1806 * rt2870_reset
1807 */
1808 static int rt2870_reset(struct ifnet *ifp)
1809 {
1810 struct rt2870_softc *sc;
1811 struct ieee80211com *ic;
1812
1813 sc = ifp->if_softc;
1814 ic = &sc->ic;
1815
1816 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1817 return ENETRESET;
1818
1819 rt2870_rf_set_chan(sc, ic->ic_curchan);
1820
1821 return 0;
1822 }
1823
1824 /*
1825 * rt2870_newstate
1826 */
1827 static int rt2870_newstate(struct ieee80211com *ic,
1828 enum ieee80211_state nstate, int arg)
1829 {
1830 struct rt2870_softc *sc;
1831 struct ifnet *ifp;
1832 struct rt2870_cmd_argv_newstate cmd_argv;
1833
1834 ifp = ic->ic_ifp;
1835 sc = ifp->if_softc;
1836
1837 cmd_argv.nstate = nstate;
1838 cmd_argv.arg = arg;
1839
1840 rt2870_do_async(sc, rt2870_newstate_cb, &cmd_argv,
1841 sizeof(struct rt2870_cmd_argv_newstate));
1842
1843 return 0;
1844 }
1845
1846 /*
1847 * rt2870_scan_start
1848 */
1849 static void rt2870_scan_start(struct ieee80211com *ic)
1850 {
1851 struct rt2870_softc *sc;
1852 struct ifnet *ifp;
1853
1854 ifp = ic->ic_ifp;
1855 sc = ifp->if_softc;
1856
1857 rt2870_do_async(sc, rt2870_scan_start_cb, NULL, 0);
1858 }
1859
1860 /*
1861 * rt2870_scan_end
1862 */
1863 static void rt2870_scan_end(struct ieee80211com *ic)
1864 {
1865 struct rt2870_softc *sc;
1866 struct ifnet *ifp;
1867
1868 ifp = ic->ic_ifp;
1869 sc = ifp->if_softc;
1870
1871 rt2870_do_async(sc, rt2870_scan_end_cb, NULL, 0);
1872 }
1873
1874 /*
1875 * rt2870_set_channel
1876 */
1877 static void rt2870_set_channel(struct ieee80211com *ic)
1878 {
1879 struct rt2870_softc *sc;
1880 struct ifnet *ifp;
1881
1882 ifp = ic->ic_ifp;
1883 sc = ifp->if_softc;
1884
1885 rt2870_do_async(sc, rt2870_set_channel_cb, NULL, 0);
1886 }
1887
1888 /*
1889 * rt2870_newassoc
1890 */
1891 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew)
1892 {
1893 struct rt2870_softc *sc;
1894 struct ieee80211com *ic;
1895 struct ifnet *ifp;
1896 struct rt2870_cmd_argv_newassoc cmd_argv;
1897
1898 ic = ni->ni_ic;
1899 ifp = ic->ic_ifp;
1900 sc = ifp->if_softc;
1901
1902 cmd_argv.associd = (ni != NULL) ? ni->ni_associd : 0;
1903 cmd_argv.isnew = isnew;
1904 memcpy(cmd_argv.macaddr, ni->ni_macaddr, IEEE80211_ADDR_LEN);
1905
1906 rt2870_do_async(sc, rt2870_newassoc_cb, &cmd_argv,
1907 sizeof(struct rt2870_cmd_argv_newassoc));
1908 }
1909
1910 /*
1911 * rt2870_updateslot
1912 */
1913 static void rt2870_updateslot(struct ifnet *ifp)
1914 {
1915 struct rt2870_softc *sc;
1916
1917 sc = ifp->if_softc;
1918
1919 rt2870_do_async(sc, rt2870_updateslot_cb, NULL, 0);
1920 }
1921
1922 /*
1923 * rt2870_wme_update
1924 */
1925 static int rt2870_wme_update(struct ieee80211com *ic)
1926 {
1927 struct rt2870_softc *sc;
1928 struct ifnet *ifp;
1929
1930 ifp = ic->ic_ifp;
1931 sc = ifp->if_softc;
1932
1933 rt2870_do_async(sc, rt2870_wme_update_cb, NULL, 0);
1934
1935 return 0;
1936 }
1937
1938 /*
1939 * rt2870_update_beacon
1940 */
1941 static void rt2870_update_beacon(struct ieee80211com *ic, int what)
1942 {
1943 struct rt2870_softc *sc;
1944 struct ifnet *ifp;
1945 struct rt2870_cmd_argv_updatebeacon cmd_argv;
1946
1947 ifp = ic->ic_ifp;
1948 sc = ifp->if_softc;
1949
1950 cmd_argv.what = what;
1951
1952 rt2870_do_async(sc, rt2870_update_beacon_cb, &cmd_argv,
1953 sizeof(struct rt2870_cmd_argv_updatebeacon));
1954 }
1955
1956 /*
1957 * rt2870_key_update_begin
1958 */
1959 static void rt2870_key_update_begin(struct ieee80211com *ic)
1960 {
1961 struct rt2870_softc *sc;
1962 struct ifnet *ifp;
1963
1964 ifp = ic->ic_ifp;
1965 sc = ifp->if_softc;
1966
1967 rt2870_do_async(sc, rt2870_key_update_begin_cb, NULL, 0);
1968 }
1969
1970 /*
1971 * rt2870_key_update_end
1972 */
1973 static void rt2870_key_update_end(struct ieee80211com *ic)
1974 {
1975 struct rt2870_softc *sc;
1976 struct ifnet *ifp;
1977
1978 ifp = ic->ic_ifp;
1979 sc = ifp->if_softc;
1980
1981 rt2870_do_async(sc, rt2870_key_update_end_cb, NULL, 0);
1982 }
1983
1984 /*
1985 * rt2870_key_set
1986 */
1987 static int rt2870_key_set(struct ieee80211com *ic,
1988 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
1989 {
1990 struct rt2870_softc *sc;
1991 struct ifnet *ifp;
1992 struct ieee80211_node *ni;
1993 struct rt2870_cmd_argv_keyset cmd_argv;
1994
1995 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
1996 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
1997 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
1998 return EINVAL;
1999
2000 ifp = ic->ic_ifp;
2001 sc = ifp->if_softc;
2002
2003 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2004 ni = ic->ic_bss;
2005 else
2006 ni = ieee80211_find_node(&ic->ic_sta, mac);
2007
2008 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2009 cmd_argv.associd = (ni != NULL) ? ni->ni_associd : 0;
2010
2011 if ((ic->ic_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2012 ieee80211_free_node(ni);
2013
2014 rt2870_do_async(sc, rt2870_key_set_cb, &cmd_argv,
2015 sizeof(struct rt2870_cmd_argv_keyset));
2016
2017 return 1;
2018 }
2019
2020 /*
2021 * rt2870_key_delete
2022 */
2023 static int rt2870_key_delete(struct ieee80211com *ic,
2024 const struct ieee80211_key *k)
2025 {
2026 struct rt2870_softc *sc;
2027 struct ifnet *ifp;
2028 struct ieee80211_node *ni;
2029 struct rt2870_cmd_argv_keydelete cmd_argv;
2030
2031 ifp = ic->ic_ifp;
2032 sc = ifp->if_softc;
2033 ni = ic->ic_bss;
2034
2035 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2036 cmd_argv.associd = (ni != NULL) ? ni->ni_associd : 0;
2037
2038 rt2870_do_async(sc, rt2870_key_delete_cb, &cmd_argv,
2039 sizeof(struct rt2870_cmd_argv_keydelete));
2040
2041 return 1;
2042 }
2043
2044 /*
2045 * rt2870_raw_xmit
2046 */
2047 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2048 const struct ieee80211_bpf_params *params)
2049 {
2050 struct ieee80211com *ic;
2051 struct ifnet *ifp;
2052 struct rt2870_softc *sc;
2053
2054 ic = ni->ni_ic;
2055 ifp = ic->ic_ifp;
2056 sc = ifp->if_softc;
2057
2058 return 0;
2059 }
2060
2061 /*
2062 * rt2870_media_change
2063 */
2064 static int rt2870_media_change(struct ifnet *ifp)
2065 {
2066 struct rt2870_softc *sc;
2067 int error;
2068
2069 sc = ifp->if_softc;
2070
2071 error = ieee80211_media_change(ifp);
2072 if (error != ENETRESET)
2073 return error;
2074
2075 if ((ifp->if_flags & IFF_UP) && (ifp->if_drv_flags & IFF_DRV_RUNNING))
2076 {
2077 rt2870_stop(sc);
2078 rt2870_init(sc);
2079 }
2080
2081 return 0;
2082 }
2083
2084 /*
2085 * rt2870_recv_action
2086 */
2087 static void rt2870_recv_action(struct ieee80211_node *ni,
2088 const uint8_t *frm, const uint8_t *efrm)
2089 {
2090 struct rt2870_softc *sc;
2091 struct ieee80211com *ic;
2092 struct ifnet *ifp;
2093 const struct ieee80211_action *ia;
2094 uint16_t associd, baparamset;
2095 uint8_t wcid;
2096 int tid;
2097 uint32_t tmp;
2098
2099 ic = ni->ni_ic;
2100 ifp = ic->ic_ifp;
2101 sc = ifp->if_softc;
2102
2103 ia = (const struct ieee80211_action *) frm;
2104
2105 sc->recv_action(ni, frm, efrm);
2106
2107 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2108 return;
2109
2110 associd = (ni != NULL) ? ni->ni_associd : 0;
2111 wcid = RT2870_AID2WCID(associd);
2112
2113 switch (ia->ia_action)
2114 {
2115 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2116 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2117 baparamset = LE_READ_2(frm + 3);
2118 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2119
2120 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2121 "%s: adding A-MPDU Rx block ACK: associd=0x%04x, tid=%d\n",
2122 device_get_nameunit(sc->dev), associd, tid);
2123
2124 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2125
2126 tmp |= (0x10000 << tid);
2127
2128 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2129 break;
2130
2131 /* IEEE80211_ACTION_BA_DELBA */
2132 case IEEE80211_ACTION_BA_DELBA:
2133 baparamset = LE_READ_2(frm + 2);
2134 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2135
2136 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2137 "%s: deleting A-MPDU Rx block ACK: associd=0x%04x, tid=%d\n",
2138 device_get_nameunit(sc->dev), associd, tid);
2139
2140 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2141
2142 tmp &= ~(0x10000 << tid);
2143
2144 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2145 break;
2146 }
2147 }
2148
2149 /*
2150 * rt2870_send_action
2151 */
2152 static int rt2870_send_action(struct ieee80211_node *ni,
2153 int category, int action, uint16_t args[4])
2154 {
2155 struct rt2870_softc *sc;
2156 struct ieee80211com *ic;
2157 struct ifnet *ifp;
2158 uint16_t associd, baparamset;
2159 uint8_t wcid;
2160 int ret, tid;
2161 uint32_t tmp;
2162
2163 ic = ni->ni_ic;
2164 ifp = ic->ic_ifp;
2165 sc = ifp->if_softc;
2166
2167 ret = sc->send_action(ni, category, action, args);
2168
2169 if (category != IEEE80211_ACTION_CAT_BA)
2170 return ret;
2171
2172 associd = (ni != NULL) ? ni->ni_associd : 0;
2173 wcid = RT2870_AID2WCID(associd);
2174
2175 switch (action)
2176 {
2177 /* IEEE80211_ACTION_BA_DELBA */
2178 case IEEE80211_ACTION_BA_DELBA:
2179 baparamset = RT2870_SM(args[0], IEEE80211_DELBAPS_TID) |
2180 RT2870_SM(args[1], IEEE80211_DELBAPS_INIT);
2181
2182 if (RT2870_MS(baparamset, IEEE80211_DELBAPS_INIT) == IEEE80211_DELBAPS_INIT)
2183 break;
2184
2185 tid = RT2870_MS(baparamset, IEEE80211_DELBAPS_TID);
2186
2187 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2188 "%s: deleting A-MPDU Rx block ACK: associd=0x%04x, tid=%d\n",
2189 device_get_nameunit(sc->dev), associd, tid);
2190
2191 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2192
2193 tmp &= ~(0x10000 << tid);
2194
2195 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2196 break;
2197 }
2198
2199 return ret;
2200 }
2201
2202 /*
2203 * rt2870_amrr_update_iter_func
2204 */
2205 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2206 {
2207 struct rt2870_softc *sc;
2208 struct ieee80211com *ic;
2209 uint8_t wcid;
2210
2211 sc = arg;
2212 ic = &sc->ic;
2213
2214 /* only associated stations */
2215
2216 if (ni->ni_associd != 0)
2217 {
2218 wcid = RT2870_AID2WCID(ni->ni_associd);
2219
2220 rt2870_amrr_choose(ni, &sc->amrr_node[wcid]);
2221
2222 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2223 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2224 device_get_nameunit(sc->dev),
2225 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2226 ni->ni_associd,
2227 (ni->ni_flags & IEEE80211_NODE_HT) ?
2228 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2229 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2230 (ni->ni_flags & IEEE80211_NODE_HT) ?
2231 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2232 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2233 }
2234 }
2235
2236 /*
2237 * rt2870_periodic
2238 */
2239 static void rt2870_periodic(void *arg)
2240 {
2241 struct rt2870_softc *sc;
2242 struct ifnet *ifp;
2243
2244 sc = arg;
2245 ifp = sc->ifp;
2246
2247 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
2248 "%s: periodic\n",
2249 device_get_nameunit(sc->dev));
2250
2251 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2252 return;
2253
2254 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2255 }
2256
2257 /*
2258 * rt2870_tx_watchdog
2259 */
2260 static void rt2870_tx_watchdog(void *arg)
2261 {
2262 struct rt2870_softc *sc;
2263 struct ifnet *ifp;
2264
2265 sc = arg;
2266 ifp = sc->ifp;
2267
2268 if (sc->tx_timer == 0)
2269 return;
2270
2271 if (--sc->tx_timer == 0)
2272 {
2273 printf("%s: Tx watchdog timeout: resetting\n",
2274 device_get_nameunit(sc->dev));
2275
2276 rt2870_stop_locked(sc);
2277 rt2870_init_locked(sc);
2278
2279 ifp->if_oerrors++;
2280
2281 sc->tx_watchdog_timeouts++;
2282 }
2283
2284 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
2285 }
2286
2287 /*
2288 * rt2870_do_async
2289 */
2290 static int rt2870_do_async(struct rt2870_softc *sc,
2291 void (*cb)(struct rt2870_softc *sc, void *arg),
2292 void *arg, int len)
2293 {
2294 struct ifnet *ifp;
2295 struct rt2870_softc_cmd_ring *ring;
2296 struct rt2870_softc_cmd *cmd;
2297 int run_cmd_task;
2298
2299 ifp = sc->ifp;
2300 ring = &sc->cmd_ring;
2301
2302 RT2870_SOFTC_LOCK(sc);
2303
2304 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2305 {
2306 RT2870_SOFTC_UNLOCK(sc);
2307 return -1;
2308 }
2309
2310 if (ring->queued >= RT2870_SOFTC_CMD_RING_CMD_COUNT)
2311 {
2312 RT2870_SOFTC_UNLOCK(sc);
2313 return -1;
2314 }
2315
2316 cmd = STAILQ_FIRST(&ring->inactive);
2317 STAILQ_REMOVE_HEAD(&ring->inactive, next);
2318
2319 cmd->cb = cb;
2320
2321 if(arg != NULL)
2322 memcpy(cmd->data, arg, len);
2323
2324 STAILQ_INSERT_TAIL(&ring->active, cmd, next);
2325 ring->queued++;
2326
2327 run_cmd_task = (ring->queued == 1);
2328
2329 RT2870_SOFTC_UNLOCK(sc);
2330
2331 if (run_cmd_task)
2332 taskqueue_enqueue(sc->taskqueue, &sc->cmd_task);
2333
2334 return 0;
2335 }
2336
2337 /*
2338 * rt2870_newstate_cb
2339 */
2340 static void rt2870_newstate_cb(struct rt2870_softc *sc, void *arg)
2341 {
2342 struct ieee80211com *ic;
2343 enum ieee80211_state nstate;
2344 struct ieee80211_node *ni;
2345 struct rt2870_cmd_argv_newstate *cmd_argv;
2346 int error;
2347
2348 ic = &sc->ic;
2349 cmd_argv = arg;
2350 nstate = cmd_argv->nstate;
2351
2352 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2353 "%s: newstate: %s -> %s\n",
2354 device_get_nameunit(sc->dev),
2355 ieee80211_state_name[ic->ic_state], ieee80211_state_name[nstate]);
2356
2357 error = sc->newstate(ic, nstate, cmd_argv->arg);
2358 if (error != 0)
2359 return;
2360
2361 /* turn link LED off */
2362
2363 if (nstate != IEEE80211_S_RUN)
2364 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
2365
2366 switch (nstate)
2367 {
2368 case IEEE80211_S_INIT:
2369 rt2870_asic_disable_tsf_sync(sc);
2370 break;
2371
2372 case IEEE80211_S_RUN:
2373 ni = ic->ic_bss;
2374
2375 rt2870_rf_set_chan(sc, ni->ni_chan);
2376
2377 if (ic->ic_opmode != IEEE80211_M_MONITOR)
2378 {
2379 rt2870_asic_enable_mrr(sc);
2380 rt2870_asic_set_txpreamble(sc);
2381 rt2870_asic_set_basicrates(sc);
2382 rt2870_asic_set_bssid(sc, ni->ni_bssid);
2383 }
2384
2385 if (ic->ic_opmode == IEEE80211_M_STA)
2386 rt2870_newassoc(ni, 1);
2387
2388 if (ic->ic_opmode == IEEE80211_M_HOSTAP ||
2389 ic->ic_opmode == IEEE80211_M_IBSS)
2390 {
2391 error = rt2870_asic_update_beacon(sc);
2392 if (error != 0)
2393 break;
2394 }
2395
2396 if (ic->ic_opmode != IEEE80211_M_MONITOR)
2397 rt2870_asic_enable_tsf_sync(sc);
2398
2399 /* turn link LED on */
2400
2401 if (ic->ic_opmode != IEEE80211_M_MONITOR)
2402 {
2403 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON |
2404 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2405 RT2870_LED_CMD_LINK_2GHZ : RT2870_LED_CMD_LINK_5GHZ));
2406 }
2407 break;
2408
2409 default:
2410 break;
2411 }
2412 }
2413
2414 /*
2415 * rt2870_scan_start_cb
2416 */
2417 static void rt2870_scan_start_cb(struct rt2870_softc *sc, void *arg)
2418 {
2419 struct ieee80211com *ic;
2420 struct ifnet *ifp;
2421
2422 ic = &sc->ic;
2423 ifp = ic->ic_ifp;
2424
2425 rt2870_asic_disable_tsf_sync(sc);
2426 }
2427
2428 /*
2429 * rt2870_scan_end_cb
2430 */
2431 static void rt2870_scan_end_cb(struct rt2870_softc *sc, void *arg)
2432 {
2433 struct ieee80211com *ic;
2434 struct ieee80211_node *ni;
2435
2436 ic = &sc->ic;
2437 ni = ic->ic_bss;
2438
2439 rt2870_asic_enable_tsf_sync(sc);
2440 }
2441
2442 /*
2443 * rt2870_set_channel_cb
2444 */
2445 static void rt2870_set_channel_cb(struct rt2870_softc *sc, void *arg)
2446 {
2447 struct ieee80211com *ic;
2448
2449 ic = &sc->ic;
2450
2451 RT2870_DPRINTF(sc, RT2870_DEBUG_CHAN,
2452 "%s: set channel: channel=%u, HT%s%s\n",
2453 device_get_nameunit(sc->dev),
2454 ieee80211_chan2ieee(ic, ic->ic_curchan),
2455 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2456 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2457 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2458 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2459
2460 rt2870_rf_set_chan(sc, ic->ic_curchan);
2461 }
2462
2463 /*
2464 * rt2870_newassoc_cb
2465 */
2466 static void rt2870_newassoc_cb(struct rt2870_softc *sc, void *arg)
2467 {
2468 struct ieee80211com *ic;
2469 struct ieee80211_node *ni;
2470 struct rt2870_cmd_argv_newassoc *cmd_argv;
2471 uint16_t associd;
2472 int isnew;
2473 uint8_t *macaddr, wcid;
2474
2475 ic = &sc->ic;
2476 ni = ic->ic_bss;
2477 cmd_argv = arg;
2478 associd = cmd_argv->associd;
2479 isnew = cmd_argv->isnew;
2480 macaddr = cmd_argv->macaddr;
2481
2482 wcid = RT2870_AID2WCID(associd);
2483
2484 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2485 "%s: new association: wcid=0x%02x, "
2486 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2487 device_get_nameunit(sc->dev), wcid,
2488 ether_sprintf(macaddr),
2489 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2490 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2491 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2492
2493 rt2870_io_mac_write_multi(sc, RT2870_REG_WCID(wcid),
2494 macaddr, IEEE80211_ADDR_LEN);
2495
2496 rt2870_amrr_node_init(&sc->amrr, &sc->amrr_node[wcid], ni);
2497
2498 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2499 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2500 device_get_nameunit(sc->dev),
2501 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2502 ni->ni_associd,
2503 (ni->ni_flags & IEEE80211_NODE_HT) ?
2504 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2505 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2506 (ni->ni_flags & IEEE80211_NODE_HT) ?
2507 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2508 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2509
2510 rt2870_asic_updateprot(sc);
2511 rt2870_asic_updateslot(sc);
2512 rt2870_asic_set_txpreamble(sc);
2513 }
2514
2515 /*
2516 * rt2870_updateslot_cb
2517 */
2518 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg)
2519 {
2520 rt2870_asic_updateslot(sc);
2521 }
2522
2523 /*
2524 * rt2870_wme_update_cb
2525 */
2526 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg)
2527 {
2528 rt2870_asic_wme_update(sc);
2529 }
2530
2531 /*
2532 * rt2870_update_beacon_cb
2533 */
2534 static void rt2870_update_beacon_cb(struct rt2870_softc *sc, void *arg)
2535 {
2536 struct rt2870_cmd_argv_updatebeacon *cmd_argv;
2537
2538 cmd_argv = arg;
2539
2540 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2541 "%s: update beacon\n",
2542 device_get_nameunit(sc->dev));
2543
2544 rt2870_asic_update_beacon(sc);
2545 }
2546
2547 /*
2548 * rt2870_key_update_begin_cb
2549 */
2550 static void rt2870_key_update_begin_cb(struct rt2870_softc *sc, void *arg)
2551 {
2552 struct ifnet *ifp;
2553
2554 ifp = sc->ifp;
2555
2556 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2557 "%s: key update begin\n",
2558 device_get_nameunit(sc->dev));
2559
2560 taskqueue_block(sc->taskqueue);
2561
2562 IF_LOCK(&ifp->if_snd);
2563 }
2564
2565 /*
2566 * rt2870_key_update_end_cb
2567 */
2568 static void rt2870_key_update_end_cb(struct rt2870_softc *sc, void *arg)
2569 {
2570 struct ifnet *ifp;
2571
2572 ifp = sc->ifp;
2573
2574 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2575 "%s: key update end\n",
2576 device_get_nameunit(sc->dev));
2577
2578 IF_UNLOCK(&ifp->if_snd);
2579
2580 taskqueue_unblock(sc->taskqueue);
2581 }
2582
2583 /*
2584 * rt2870_key_set_cb
2585 */
2586 static void rt2870_key_set_cb(struct rt2870_softc *sc, void *arg)
2587 {
2588 struct ieee80211com *ic;
2589 struct ieee80211_key *k;
2590 struct rt2870_cmd_argv_keyset *cmd_argv;
2591 uint16_t associd, key_base, keymode_base;
2592 uint8_t mode, vapid, wcid, iv[8];
2593 uint32_t tmp;
2594
2595 ic = &sc->ic;
2596 cmd_argv = arg;
2597 k = &cmd_argv->key;
2598 associd = cmd_argv->associd;
2599
2600 switch (k->wk_cipher->ic_cipher)
2601 {
2602 case IEEE80211_CIPHER_WEP:
2603 if(k->wk_keylen < 8)
2604 mode = RT2870_REG_CIPHER_MODE_WEP40;
2605 else
2606 mode = RT2870_REG_CIPHER_MODE_WEP104;
2607 break;
2608
2609 case IEEE80211_CIPHER_TKIP:
2610 mode = RT2870_REG_CIPHER_MODE_TKIP;
2611 break;
2612
2613 case IEEE80211_CIPHER_AES_CCM:
2614 mode = RT2870_REG_CIPHER_MODE_AES_CCMP;
2615 break;
2616
2617 default:
2618 return;
2619 }
2620
2621 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2622 "%s: set key: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2623 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2624 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2625
2626 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2627 {
2628 /* install pairwise key */
2629
2630 vapid = 0;
2631 wcid = RT2870_AID2WCID(associd);
2632 key_base = RT2870_REG_PKEY(wcid);
2633
2634 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2635 {
2636 memset(iv, 0, 8);
2637
2638 iv[3] = (k->wk_keyix << 6);
2639 }
2640 else
2641 {
2642 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2643 {
2644 iv[0] = (k->wk_keytsc >> 8);
2645 iv[1] = ((iv[0] | 0x20) & 0x7f);
2646 iv[2] = k->wk_keytsc;
2647 }
2648 else
2649 {
2650 /* AES CCMP */
2651
2652 iv[0] = k->wk_keytsc;
2653 iv[1] = k->wk_keytsc >> 8;
2654 iv[2] = 0;
2655 }
2656
2657 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2658 iv[4] = (k->wk_keytsc >> 16);
2659 iv[5] = (k->wk_keytsc >> 24);
2660 iv[6] = (k->wk_keytsc >> 32);
2661 iv[7] = (k->wk_keytsc >> 40);
2662
2663 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2664 "%s: set key: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2665 device_get_nameunit(sc->dev),
2666 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2667 }
2668
2669 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
2670
2671 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2672 {
2673 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2674
2675 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2676 {
2677 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2678 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2679 }
2680 else
2681 {
2682 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2683 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2684 }
2685 }
2686 else
2687 {
2688 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2689 }
2690
2691 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2692 (mode << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2693
2694 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2695 }
2696
2697 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2698 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2699 {
2700 /* install group key */
2701
2702 vapid = 0;
2703 key_base = RT2870_REG_SKEY(vapid, k->wk_keyix);
2704 keymode_base = RT2870_REG_SKEY_MODE(vapid);
2705
2706 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2707 {
2708 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2709
2710 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2711 {
2712 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2713 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2714 }
2715 else
2716 {
2717 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2718 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2719 }
2720 }
2721 else
2722 {
2723 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2724 }
2725
2726 tmp = rt2870_io_mac_read(sc, keymode_base);
2727
2728 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2729 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2730
2731 rt2870_io_mac_write(sc, keymode_base, tmp);
2732 }
2733 }
2734
2735 /*
2736 * rt2870_key_delete_cb
2737 */
2738 static void rt2870_key_delete_cb(struct rt2870_softc *sc, void *arg)
2739 {
2740 struct ieee80211com *ic;
2741 struct ieee80211_key *k;
2742 struct rt2870_cmd_argv_keydelete *cmd_argv;
2743 uint16_t associd;
2744 uint8_t vapid, wcid;
2745 uint32_t tmp;
2746
2747 ic = &sc->ic;
2748 cmd_argv = arg;
2749 k = &cmd_argv->key;
2750 associd = cmd_argv->associd;
2751
2752 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2753 "%s: delete key: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2754 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2755 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2756
2757 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2758 {
2759 /* remove pairwise key */
2760
2761 wcid = RT2870_AID2WCID(associd);
2762
2763 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID_ATTR(wcid));
2764
2765 tmp &= ~0xf;
2766 tmp |= (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT);
2767
2768 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2769 }
2770 else
2771 {
2772 /* remove group key */
2773
2774 vapid = 0;
2775
2776 tmp = rt2870_io_mac_read(sc, RT2870_REG_SKEY_MODE(vapid));
2777
2778 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2779 tmp |= (RT2870_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2780
2781 rt2870_io_mac_write(sc, RT2870_REG_SKEY_MODE(vapid), tmp);
2782 }
2783 }
2784
2785 /*
2786 * rt2870_asic_set_bssid
2787 */
2788 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
2789 const uint8_t *bssid)
2790 {
2791 uint32_t tmp;
2792
2793 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2794 "%s: set bssid: bssid=%s\n",
2795 device_get_nameunit(sc->dev), ether_sprintf(bssid));
2796
2797 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2798
2799 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW0, tmp);
2800
2801 tmp = bssid[4] | (bssid[5] << 8);
2802
2803 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW1, tmp);
2804 }
2805
2806 /*
2807 * rt2870_asic_set_macaddr
2808 */
2809 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
2810 const uint8_t *addr)
2811 {
2812 uint32_t tmp;
2813
2814 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2815
2816 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW0, tmp);
2817
2818 tmp = addr[4] | (addr[5] << 8);
2819
2820 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW1, tmp);
2821 }
2822
2823 /*
2824 * rt2870_asic_enable_tsf_sync
2825 */
2826 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc)
2827 {
2828 struct ieee80211com *ic;
2829 uint32_t tmp;
2830
2831 ic = &sc->ic;
2832
2833 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2834 "%s: enabling TSF\n",
2835 device_get_nameunit(sc->dev));
2836
2837 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
2838
2839 tmp &= ~0x1fffff;
2840 tmp |= ic->ic_bss->ni_intval * 16;
2841 tmp |= (RT2870_REG_TSF_TIMER_ENABLE | RT2870_REG_TBTT_TIMER_ENABLE);
2842
2843 if (ic->ic_opmode == IEEE80211_M_STA)
2844 {
2845 tmp |= (RT2870_REG_TSF_SYNC_MODE_STA << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2846 }
2847 else if (ic->ic_opmode == IEEE80211_M_IBSS)
2848 {
2849 tmp |= RT2870_REG_BCN_TX_ENABLE;
2850 tmp |= (RT2870_REG_TSF_SYNC_MODE_IBSS << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2851 }
2852 else if (ic->ic_opmode == IEEE80211_M_HOSTAP)
2853 {
2854 tmp |= RT2870_REG_BCN_TX_ENABLE;
2855 tmp |= (RT2870_REG_TSF_SYNC_MODE_HOSTAP << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2856 }
2857
2858 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
2859 }
2860
2861 /*
2862 * rt2870_asic_disable_tsf_sync
2863 */
2864 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc)
2865 {
2866 uint32_t tmp;
2867
2868 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2869 "%s: disabling TSF\n",
2870 device_get_nameunit(sc->dev));
2871
2872 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
2873
2874 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
2875 RT2870_REG_TSF_TIMER_ENABLE |
2876 RT2870_REG_TBTT_TIMER_ENABLE);
2877
2878 tmp &= ~(RT2870_REG_TSF_SYNC_MODE_MASK << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2879 tmp |= (RT2870_REG_TSF_SYNC_MODE_DISABLE << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2880
2881 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
2882 }
2883
2884 /*
2885 * rt2870_asic_enable_mrr
2886 */
2887 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc)
2888 {
2889 #define CCK(mcs) (mcs)
2890 #define OFDM(mcs) ((1 << 3) | (mcs))
2891 #define HT(mcs) (mcs)
2892
2893 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG0,
2894 (OFDM(6) << 28) | /* 54 -> 48 */
2895 (OFDM(5) << 24) | /* 48 -> 36 */
2896 (OFDM(4) << 20) | /* 36 -> 24 */
2897 (OFDM(3) << 16) | /* 24 -> 18 */
2898 (OFDM(2) << 12) | /* 18 -> 12 */
2899 (OFDM(1) << 8) | /* 12 -> 9 */
2900 (OFDM(0) << 4) | /* 9 -> 6 */
2901 OFDM(0)); /* 6 -> 6 */
2902
2903 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG1,
2904 (CCK(2) << 12) | /* 11 -> 5.5 */
2905 (CCK(1) << 8) | /* 5.5 -> 2 */
2906 (CCK(0) << 4) | /* 2 -> 1 */
2907 CCK(0)); /* 1 -> 1 */
2908
2909 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG0,
2910 (HT(6) << 28) |
2911 (HT(5) << 24) |
2912 (HT(4) << 20) |
2913 (HT(3) << 16) |
2914 (HT(2) << 12) |
2915 (HT(1) << 8) |
2916 (HT(0) << 4) |
2917 HT(0));
2918
2919 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG1,
2920 (HT(14) << 28) |
2921 (HT(13) << 24) |
2922 (HT(12) << 20) |
2923 (HT(11) << 16) |
2924 (HT(10) << 12) |
2925 (HT(9) << 8) |
2926 (HT(8) << 4) |
2927 HT(8));
2928
2929 #undef HT
2930 #undef OFDM
2931 #undef CCK
2932 }
2933
2934 /*
2935 * rt2870_asic_set_txpreamble
2936 */
2937 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc)
2938 {
2939 struct ieee80211com *ic;
2940 uint32_t tmp;
2941
2942 ic = &sc->ic;
2943
2944 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2945 "%s: %s short Tx preamble\n",
2946 device_get_nameunit(sc->dev),
2947 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
2948
2949 tmp = rt2870_io_mac_read(sc, RT2870_REG_AUTO_RSP_CFG);
2950
2951 tmp &= ~RT2870_REG_CCK_SHORT_ENABLE;
2952
2953 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
2954 tmp |= RT2870_REG_CCK_SHORT_ENABLE;
2955
2956 rt2870_io_mac_write(sc, RT2870_REG_AUTO_RSP_CFG, tmp);
2957 }
2958
2959 /*
2960 * rt2870_asic_set_basicrates
2961 */
2962 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc)
2963 {
2964 struct ieee80211com *ic;
2965
2966 ic = &sc->ic;
2967
2968 if (ic->ic_curmode == IEEE80211_MODE_11B)
2969 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x3);
2970 else if (ic->ic_curmode == IEEE80211_MODE_11A)
2971 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x150);
2972 else
2973 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x15f);
2974 }
2975
2976 /*
2977 * rt2870_asic_update_rtsthreshold
2978 */
2979 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc)
2980 {
2981 struct ieee80211com *ic;
2982 uint32_t tmp;
2983 uint16_t threshold;
2984
2985 ic = &sc->ic;
2986
2987 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
2988 "%s: updating RTS threshold: %d\n",
2989 device_get_nameunit(sc->dev), ic->ic_rtsthreshold);
2990
2991 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_RTS_CFG);
2992
2993 tmp &= ~(RT2870_REG_TX_RTS_THRESHOLD_MASK << RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
2994
2995 threshold = (ic->ic_rtsthreshold < IEEE80211_RTS_MAX) ?
2996 ic->ic_rtsthreshold : 0x1000;
2997
2998 tmp |= ((threshold & RT2870_REG_TX_RTS_THRESHOLD_MASK) <<
2999 RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3000
3001 rt2870_io_mac_write(sc, RT2870_REG_TX_RTS_CFG, tmp);
3002 }
3003
3004 /*
3005 * rt2870_asic_update_txpower
3006 */
3007 static void rt2870_asic_update_txpower(struct rt2870_softc *sc)
3008 {
3009 struct ieee80211com *ic;
3010 uint32_t *txpow_rate;
3011 int8_t delta;
3012 uint8_t val;
3013 uint32_t tmp;
3014 int i;
3015
3016 ic = &sc->ic;
3017
3018 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3019 "%s: updating Tx power: %d\n",
3020 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3021
3022 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3023 {
3024 txpow_rate = sc->txpow_rate_20mhz;
3025 }
3026 else
3027 {
3028 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3029 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3030 else
3031 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3032 }
3033
3034 delta = 0;
3035
3036 val = rt2870_io_bbp_read(sc, 1);
3037 val &= 0xfc;
3038
3039 if (ic->ic_txpowlimit > 90)
3040 {
3041 /* do nothing */
3042 }
3043 else if (ic->ic_txpowlimit > 60)
3044 {
3045 delta -= 1;
3046 }
3047 else if (ic->ic_txpowlimit > 30)
3048 {
3049 delta -= 3;
3050 }
3051 else if (ic->ic_txpowlimit > 15)
3052 {
3053 val |= 0x1;
3054 }
3055 else if (ic->ic_txpowlimit > 9)
3056 {
3057 val |= 0x1;
3058 delta -= 3;
3059 }
3060 else
3061 {
3062 val |= 0x2;
3063 }
3064
3065 rt2870_io_bbp_write(sc, 1, val);
3066
3067 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
3068 {
3069 if (txpow_rate[i] == 0xffffffff)
3070 continue;
3071
3072 tmp = rt2870_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3073
3074 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i), tmp);
3075 }
3076 }
3077
3078 /*
3079 * rt2870_asic_update_promisc
3080 */
3081 static void rt2870_asic_update_promisc(struct rt2870_softc *sc)
3082 {
3083 struct ifnet *ifp;
3084 uint32_t tmp;
3085
3086 ifp = sc->ic.ic_ifp;
3087
3088 printf("%s: %s promiscuous mode\n",
3089 device_get_nameunit(sc->dev),
3090 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3091
3092 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_FILTER_CFG);
3093
3094 tmp &= ~RT2870_REG_RX_FILTER_DROP_UC_NOME;
3095
3096 if (!(ifp->if_flags & IFF_PROMISC))
3097 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
3098
3099 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
3100 }
3101
3102 /*
3103 * rt2870_asic_updateprot
3104 */
3105 static void rt2870_asic_updateprot(struct rt2870_softc *sc)
3106 {
3107 struct ieee80211com *ic;
3108 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3109 uint8_t htopmode;
3110
3111 ic = &sc->ic;
3112
3113 /* CCK frame protection */
3114
3115 cck_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3116 RT2870_REG_TXOP_ALLOW_ALL | RT2870_REG_PROT_CTRL_NONE;
3117
3118 /* set up protection frame phy mode and rate (MCS code) */
3119
3120 if (ic->ic_curmode == IEEE80211_MODE_11A)
3121 cck_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3122 (0 << RT2870_REG_PROT_MCS_SHIFT);
3123 else
3124 cck_prot |= ((RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3125 (3 << RT2870_REG_PROT_MCS_SHIFT));
3126
3127 rt2870_io_mac_write(sc, RT2870_REG_TX_CCK_PROT_CFG, cck_prot);
3128
3129 /* OFDM frame protection */
3130
3131 ofdm_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3132 RT2870_REG_TXOP_ALLOW_ALL;
3133
3134 if (ic->ic_flags & IEEE80211_F_USEPROT)
3135 {
3136 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3137 "%s: updating protection mode: b/g protection mode=%s\n",
3138 device_get_nameunit(sc->dev),
3139 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3140 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3141
3142 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3143 ofdm_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3144 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3145 ofdm_prot |= RT2870_REG_PROT_CTRL_CTS;
3146 else
3147 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3148 }
3149 else
3150 {
3151 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3152 "%s: updating protection mode: b/g protection mode=%s\n",
3153 device_get_nameunit(sc->dev), "none");
3154
3155 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3156 }
3157
3158 rt2870_io_mac_write(sc, RT2870_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3159
3160 /* HT frame protection */
3161
3162 if ((ic->ic_opmode == IEEE80211_M_STA) && (ic->ic_state == IEEE80211_S_RUN))
3163 htopmode = ic->ic_bss->ni_htopmode;
3164 else
3165 htopmode = ic->ic_curhtprotmode;
3166
3167 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3168 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3169 device_get_nameunit(sc->dev),
3170 htopmode & IEEE80211_HTINFO_OPMODE,
3171 (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3172 ((ic->ic_htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3173
3174 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3175 {
3176 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3177 case IEEE80211_HTINFO_OPMODE_HT20PR:
3178 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3179 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3180 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3181 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3182 (4 << RT2870_REG_PROT_MCS_SHIFT);
3183
3184 gf20_prot = mm20_prot;
3185
3186 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3187 RT2870_REG_TXOP_ALLOW_ALL |
3188 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3189 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3190
3191 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
3192 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3193 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
3194 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3195 else
3196 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3197
3198 gf40_prot = mm40_prot;
3199 break;
3200
3201 /* IEEE80211_HTINFO_OPMODE_MIXED */
3202 case IEEE80211_HTINFO_OPMODE_MIXED:
3203 mm20_prot = RT2870_REG_PROT_NAV_SHORT |
3204 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3205 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20;
3206
3207 if (ic->ic_flags & IEEE80211_F_USEPROT)
3208 mm20_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3209 (3 << RT2870_REG_PROT_MCS_SHIFT);
3210 else
3211 mm20_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3212 (4 << RT2870_REG_PROT_MCS_SHIFT);
3213
3214 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
3215 mm20_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3216 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
3217 mm20_prot |= RT2870_REG_PROT_CTRL_CTS;
3218 else
3219 mm20_prot |= RT2870_REG_PROT_CTRL_NONE;
3220
3221 gf20_prot = mm20_prot;
3222
3223 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_TXOP_ALLOW_ALL;
3224
3225 if (ic->ic_flags & IEEE80211_F_USEPROT)
3226 mm40_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3227 (3 << RT2870_REG_PROT_MCS_SHIFT);
3228 else
3229 mm40_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3230 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3231
3232 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
3233 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3234 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
3235 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3236 else
3237 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3238
3239 gf40_prot = mm40_prot;
3240 break;
3241
3242 /*
3243 * IEEE80211_HTINFO_OPMODE_PURE
3244 * IEEE80211_HTINFO_OPMODE_PROTOPT
3245 */
3246 case IEEE80211_HTINFO_OPMODE_PURE:
3247 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3248 default:
3249 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3250 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3251 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3252 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3253 (4 << RT2870_REG_PROT_MCS_SHIFT);
3254
3255 gf20_prot = mm20_prot;
3256
3257 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3258 RT2870_REG_TXOP_ALLOW_ALL |
3259 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3260 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3261
3262 gf40_prot = mm40_prot;
3263 break;
3264 }
3265
3266 rt2870_io_mac_write(sc, RT2870_REG_TX_MM20_PROT_CFG, mm20_prot);
3267 rt2870_io_mac_write(sc, RT2870_REG_TX_MM40_PROT_CFG, mm40_prot);
3268 rt2870_io_mac_write(sc, RT2870_REG_TX_GF20_PROT_CFG, gf20_prot);
3269 rt2870_io_mac_write(sc, RT2870_REG_TX_GF40_PROT_CFG, gf40_prot);
3270 }
3271
3272 /*
3273 * rt2870_asic_updateslot
3274 */
3275 static void rt2870_asic_updateslot(struct rt2870_softc *sc)
3276 {
3277 struct ieee80211com *ic;
3278 uint32_t tmp;
3279
3280 ic = &sc->ic;
3281
3282 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3283 "%s: %s short slot time\n",
3284 device_get_nameunit(sc->dev),
3285 (ic->ic_flags & IEEE80211_F_SHSLOT) ? "enabling" : "disabling");
3286
3287 tmp = rt2870_io_mac_read(sc, RT2870_REG_BKOFF_SLOT_CFG);
3288
3289 tmp &= ~0xff;
3290 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
3291
3292 rt2870_io_mac_write(sc, RT2870_REG_BKOFF_SLOT_CFG, tmp);
3293 }
3294
3295 /*
3296 * rt2870_asic_wme_update
3297 */
3298 static void rt2870_asic_wme_update(struct rt2870_softc *sc)
3299 {
3300 struct ieee80211com *ic;
3301 struct ieee80211_wme_state *wme;
3302 const struct wmeParams *wmep;
3303 int i;
3304
3305 ic = &sc->ic;
3306 wme = &ic->ic_wme;
3307 wmep = wme->wme_chanParams.cap_wmeParams;
3308
3309 RT2870_DPRINTF(sc, RT2870_DEBUG_WME,
3310 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3311 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3312 device_get_nameunit(sc->dev),
3313 wmep[WME_AC_VO].wmep_aifsn,
3314 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3315 wmep[WME_AC_VO].wmep_txopLimit,
3316 wmep[WME_AC_VI].wmep_aifsn,
3317 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3318 wmep[WME_AC_VI].wmep_txopLimit,
3319 wmep[WME_AC_BK].wmep_aifsn,
3320 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3321 wmep[WME_AC_BK].wmep_txopLimit,
3322 wmep[WME_AC_BE].wmep_aifsn,
3323 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3324 wmep[WME_AC_BE].wmep_txopLimit);
3325
3326 for (i = 0; i < WME_NUM_AC; i++)
3327 rt2870_io_mac_write(sc, RT2870_REG_TX_EDCA_AC_CFG(i),
3328 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3329 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3330
3331 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_AIFSN_CFG,
3332 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3333 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3334
3335 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMIN_CFG,
3336 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3337 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3338
3339 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMAX_CFG,
3340 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3341 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3342
3343 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG,
3344 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3345
3346 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
3347 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3348 }
3349
3350 /*
3351 * rt2870_asic_update_beacon
3352 */
3353 static int rt2870_asic_update_beacon(struct rt2870_softc *sc)
3354 {
3355 struct ieee80211com *ic;
3356 struct mbuf *m;
3357 struct rt2870_txwi txwi;
3358 uint8_t rate, mcs;
3359 uint32_t tmp;
3360
3361 ic = &sc->ic;
3362
3363 m = ieee80211_beacon_alloc(ic->ic_bss, &sc->beacon_offsets);
3364 if (m == NULL)
3365 return ENOMEM;
3366
3367 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3368 mcs = rt2870_rate2mcs(rate);
3369
3370 memset(&txwi, 0, sizeof(struct rt2870_txwi));
3371
3372 txwi.wcid = 0xff;
3373 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2870_TXWI_MPDU_LEN_MASK) <<
3374 RT2870_TXWI_MPDU_LEN_SHIFT);
3375 txwi.txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
3376 txwi.mpdu_density_flags |=
3377 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
3378 txwi.bawin_size_xflags |=
3379 (RT2870_TXWI_XFLAGS_NSEQ << RT2870_TXWI_XFLAGS_SHIFT);
3380
3381 if (rate == 2)
3382 {
3383 txwi.phymode_ifs_stbc_shortgi =
3384 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
3385
3386 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3387 mcs |= RT2870_TXWI_MCS_SHOTPRE;
3388 }
3389 else
3390 {
3391 txwi.phymode_ifs_stbc_shortgi =
3392 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
3393 }
3394
3395 txwi.bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
3396 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
3397
3398 /* disable temporarily TSF sync */
3399
3400 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3401
3402 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3403 RT2870_REG_TSF_TIMER_ENABLE |
3404 RT2870_REG_TBTT_TIMER_ENABLE);
3405
3406 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3407
3408 /* write Tx wireless info and beacon frame to on-chip memory */
3409
3410 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0),
3411 &txwi, sizeof(struct rt2870_txwi));
3412
3413 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0) + sizeof(struct rt2870_txwi),
3414 mtod(m, uint8_t *), m->m_pkthdr.len);
3415
3416 /* enable again TSF sync */
3417
3418 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3419
3420 tmp |= (RT2870_REG_BCN_TX_ENABLE |
3421 RT2870_REG_TSF_TIMER_ENABLE |
3422 RT2870_REG_TBTT_TIMER_ENABLE);
3423
3424 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3425
3426 m_freem(m);
3427
3428 return 0;
3429 }
3430
3431 /*
3432 * rt2870_asic_clear_keytables
3433 */
3434 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc)
3435 {
3436 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3437
3438 rt2870_io_mac_set_region_4(sc, RT2870_REG_WCID(0), 0, 2 * 256);
3439
3440 /* clear WCID attribute table (entries = 256, entry size = 4) */
3441
3442 rt2870_io_mac_set_region_4(sc, RT2870_REG_WCID_ATTR(0), 0, 256);
3443
3444 /* clear IV/EIV table (entries = 256, entry size = 8) */
3445
3446 rt2870_io_mac_set_region_4(sc, RT2870_REG_IVEIV(0), 0, 2 * 256);
3447
3448 /* clear pairwise key table (entries = 256, entry size = 32) */
3449
3450 rt2870_io_mac_set_region_4(sc, RT2870_REG_PKEY(0), 0, 8 * 256);
3451
3452 /* clear shared key table (entries = 32, entry size = 32) */
3453
3454 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY(0, 0), 0, 8 * 32);
3455
3456 /* clear shared key mode (entries = 32, entry size = 2) */
3457
3458 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY_MODE(0), 0, 16);
3459 }
3460
3461 /*
3462 * rt2870_rxrate
3463 */
3464 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi)
3465 {
3466 uint8_t mcs, phymode;
3467 uint8_t rate;
3468
3469 mcs = (rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK;
3470 phymode = (rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3471 RT2870_RXWI_PHYMODE_MASK;
3472
3473 rate = 2;
3474
3475 switch (phymode)
3476 {
3477 case RT2870_RXWI_PHYMODE_CCK:
3478 switch (mcs & ~RT2870_RXWI_MCS_SHOTPRE)
3479 {
3480 case 0: rate = 2; break; /* 1 Mbps */
3481 case 1: rate = 4; break; /* 2 MBps */
3482 case 2: rate = 11; break; /* 5.5 Mbps */
3483 case 3: rate = 22; break; /* 11 Mbps */
3484 }
3485 break;
3486
3487 case RT2870_RXWI_PHYMODE_OFDM:
3488 switch (mcs)
3489 {
3490 case 0: rate = 12; break; /* 6 Mbps */
3491 case 1: rate = 18; break; /* 9 Mbps */
3492 case 2: rate = 24; break; /* 12 Mbps */
3493 case 3: rate = 36; break; /* 18 Mbps */
3494 case 4: rate = 48; break; /* 24 Mbps */
3495 case 5: rate = 72; break; /* 36 Mbps */
3496 case 6: rate = 96; break; /* 48 Mbps */
3497 case 7: rate = 108; break; /* 54 Mbps */
3498 }
3499 break;
3500
3501 case RT2870_RXWI_PHYMODE_HT_MIXED:
3502 case RT2870_RXWI_PHYMODE_HT_GF:
3503 break;
3504 }
3505
3506 return rate;
3507 }
3508
3509 /*
3510 * rt2870_maxrssi_rxpath
3511 */
3512 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
3513 const struct rt2870_rxwi *rxwi)
3514 {
3515 uint8_t rxpath;
3516
3517 rxpath = 0;
3518
3519 if (sc->nrxpath > 1)
3520 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3521 rxpath = 1;
3522
3523 if (sc->nrxpath > 2)
3524 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3525 rxpath = 2;
3526
3527 return rxpath;
3528 }
3529
3530 /*
3531 * rt2870_rssi2dbm
3532 */
3533 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
3534 uint8_t rssi, uint8_t rxpath)
3535 {
3536 struct ieee80211com *ic;
3537 struct ieee80211_channel *c;
3538 int chan, delta;
3539
3540 ic = &sc->ic;
3541 c = ic->ic_curchan;
3542 chan = ieee80211_chan2ieee(ic, c);
3543
3544 if (IEEE80211_IS_CHAN_5GHZ(c))
3545 {
3546 delta = sc->rssi_off_5ghz[rxpath];
3547
3548 if (chan <= 64)
3549 delta -= sc->lna_gain[1];
3550 else if (chan <= 128)
3551 delta -= sc->lna_gain[2];
3552 else
3553 delta -= sc->lna_gain[3];
3554 }
3555 else
3556 {
3557 delta = sc->rssi_off_2ghz[rxpath] - sc->lna_gain[0];
3558 }
3559
3560 return (-12 - delta - rssi);
3561 }
3562
3563 /*
3564 * rt2870_rate2mcs
3565 */
3566 static uint8_t rt2870_rate2mcs(uint8_t rate)
3567 {
3568 switch (rate)
3569 {
3570 /* CCK rates */
3571 case 2: return 0;
3572 case 4: return 1;
3573 case 11: return 2;
3574 case 22: return 3;
3575
3576 /* OFDM rates */
3577 case 12: return 0;
3578 case 18: return 1;
3579 case 24: return 2;
3580 case 36: return 3;
3581 case 48: return 4;
3582 case 72: return 5;
3583 case 96: return 6;
3584 case 108: return 7;
3585 }
3586
3587 return 0;
3588 }
3589
3590 /*
3591 * rt2870_ackrate
3592 */
3593 static int rt2870_ackrate(struct ieee80211com *ic, int rate)
3594 {
3595 switch (rate)
3596 {
3597 /* CCK rates */
3598
3599 case 2:
3600 return 2;
3601
3602 case 4:
3603 case 11:
3604 case 22:
3605 return (ic->ic_curmode == IEEE80211_MODE_11B) ? 4 : rate;
3606
3607 /* OFDM rates */
3608
3609 case 12:
3610 case 18:
3611 return 12;
3612
3613 case 24:
3614 case 36:
3615 return 24;
3616
3617 case 48:
3618 case 72:
3619 case 96:
3620 case 108:
3621 return 48;
3622 }
3623
3624 /* default to 1Mbps */
3625 return 2;
3626 }
3627
3628 /*
3629 * rt2870_txtime
3630 */
3631 static uint16_t rt2870_txtime(int len, int rate, uint32_t flags)
3632 {
3633 uint16_t txtime;
3634
3635 if (RT2870_RATE_IS_OFDM(rate))
3636 {
3637 txtime = (8 + 4 * len + 3 + rate - 1) / rate;
3638 txtime = 16 + 4 + 4 * txtime + 6;
3639 }
3640 else
3641 {
3642 txtime = (16 * len + rate - 1) / rate;
3643
3644 if (rate != 2 && (flags & IEEE80211_F_SHPREAMBLE))
3645 txtime += 72 + 24;
3646 else
3647 txtime += 144 + 48;
3648 }
3649
3650 return txtime;
3651 }
3652
3653 /*
3654 * rt2870_rx_frame
3655 */
3656 static void rt2870_rx_frame(struct rt2870_softc *sc,
3657 uint8_t *buf, uint32_t dmalen)
3658 {
3659 struct ieee80211com *ic;
3660 struct ifnet *ifp;
3661 struct ieee80211_frame *wh;
3662 struct ieee80211_node *ni;
3663 struct rt2870_softc_rx_radiotap_header *tap;
3664 struct rt2870_rxwi *rxwi;
3665 struct rt2870_rxinfo *rxinfo;
3666 struct mbuf *m;
3667 uint32_t rxinfo_flags;
3668 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
3669 int8_t rssi_dbm;
3670 int len, ampdu, amsdu;
3671
3672 ic = &sc->ic;
3673 ifp = ic->ic_ifp;
3674
3675 /* get Rx wireless info */
3676
3677 rxwi = (struct rt2870_rxwi *) buf;
3678 len = (le16toh(rxwi->tid_size) >> RT2870_RXWI_SIZE_SHIFT) &
3679 RT2870_RXWI_SIZE_MASK;
3680
3681 if (len > dmalen)
3682 {
3683 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3684 "%s: bad rxwi len: DMA len=%d, rxwi len=%d\n",
3685 device_get_nameunit(sc->dev), dmalen, len);
3686 return;
3687 }
3688
3689 /* get Rx info */
3690
3691 rxinfo = (struct rt2870_rxinfo *) ((caddr_t) rxwi + dmalen);
3692 rxinfo_flags = le32toh(rxinfo->flags);
3693
3694 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3695 "%s: Rx frame: DMA len=%d, len=%d, rxinfo flags=0x%08x\n",
3696 device_get_nameunit(sc->dev), dmalen, len, rxinfo_flags);
3697
3698 /* check for crc errors */
3699
3700 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
3701 {
3702 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3703 "%s: rxinfo: crc error\n",
3704 device_get_nameunit(sc->dev));
3705
3706 ifp->if_ierrors++;
3707
3708 if (!(ifp->if_flags & IFF_PROMISC))
3709 return;
3710 }
3711
3712 wh = (struct ieee80211_frame *) (rxwi + 1);
3713
3714 /* check for L2 padding between IEEE 802.11 frame header and body */
3715
3716 if (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD)
3717 {
3718 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3719 "%s: L2 padding: DMA len=%d, len=%d\n",
3720 device_get_nameunit(sc->dev), dmalen, len);
3721
3722 len += 2;
3723 }
3724
3725 m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
3726 if (m == NULL)
3727 {
3728 sc->rx_mbuf_alloc_errors++;
3729 ifp->if_ierrors++;
3730 return;
3731 }
3732
3733 m->m_pkthdr.rcvif = ifp;
3734 m->m_pkthdr.len = m->m_len = len;
3735
3736 m_copyback(m, 0, len, (caddr_t) wh);
3737
3738 wh = mtod(m, struct ieee80211_frame *);
3739
3740 /* check for cipher errors */
3741
3742 if (rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED)
3743 {
3744 cipher_err = ((rxinfo_flags >> RT2870_RXINFO_FLAGS_CIPHER_ERR_SHIFT) &
3745 RT2870_RXINFO_FLAGS_CIPHER_ERR_MASK);
3746 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_NONE)
3747 {
3748 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3749 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3750
3751 m->m_flags |= M_WEP;
3752 }
3753 else
3754 {
3755 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3756 "%s: rxinfo: cipher error=0x%02x\n",
3757 device_get_nameunit(sc->dev), cipher_err);
3758
3759 ifp->if_ierrors++;
3760
3761 if (!(ifp->if_flags & IFF_PROMISC))
3762 {
3763 m_free(m);
3764 return;
3765 }
3766 }
3767 }
3768 else
3769 {
3770 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3771 {
3772 ifp->if_ierrors++;
3773
3774 if (!(ifp->if_flags & IFF_PROMISC))
3775 {
3776 m_free(m);
3777 return;
3778 }
3779 }
3780 }
3781
3782 /* check for A-MPDU */
3783
3784 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMPDU)
3785 {
3786 m->m_flags |= M_AMPDU;
3787 ampdu = 1;
3788 }
3789 else
3790 {
3791 ampdu = 0;
3792 }
3793
3794 ant = rt2870_maxrssi_rxpath(sc, rxwi);
3795 rssi = rxwi->rssi[ant];
3796 rssi_dbm = rt2870_rssi2dbm(sc, rssi, ant);
3797 phymode = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3798 RT2870_RXWI_PHYMODE_MASK);
3799 bw = ((rxwi->bw_mcs >> RT2870_RXWI_BW_SHIFT) & RT2870_RXWI_BW_MASK);
3800 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_SHORTGI_SHIFT) &
3801 RT2870_RXWI_SHORTGI_MASK);
3802 mcs = ((rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK);
3803 amsdu = (rxinfo_flags & RT2870_RXINFO_FLAGS_AMSDU);
3804
3805 if (bpf_peers_present(sc->drvbpf))
3806 {
3807 tap = &sc->rxtap;
3808
3809 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
3810 tap->dbm_antsignal = rssi_dbm;
3811 tap->dbm_antnoise = RT2870_NOISE_FLOOR;
3812 tap->antenna = ant;
3813 tap->antsignal = rssi;
3814 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3815 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3816 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3817 tap->chan_maxpow = 0;
3818
3819 if (phymode == RT2870_RXWI_PHYMODE_CCK || phymode == RT2870_RXWI_PHYMODE_OFDM)
3820 tap->rate = rt2870_rxrate(rxwi);
3821 else
3822 tap->rate = mcs | IEEE80211_RATE_MCS;
3823
3824 if (rxwi->bw_mcs & RT2870_RXWI_MCS_SHOTPRE)
3825 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3826
3827 if (shortgi)
3828 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3829
3830 bpf_mtap2(sc->drvbpf, tap, sc->rxtap_len, m);
3831 }
3832
3833 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3834 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
3835 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d\n",
3836 device_get_nameunit(sc->dev),
3837 len, phymode, bw, shortgi, mcs,
3838 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
3839 rxwi->snr[0], rxwi->snr[1],
3840 rxwi->wcid, ampdu, amsdu);
3841
3842 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
3843
3844 ieee80211_input(ic, m, ni, rssi_dbm - RT2870_NOISE_FLOOR, RT2870_NOISE_FLOOR, 0);
3845
3846 ieee80211_free_node(ni);
3847 }
3848
3849 /*
3850 * rt2870_tx_frame
3851 */
3852 static int rt2870_tx_frame(struct rt2870_softc *sc,
3853 struct mbuf *m, struct ieee80211_node *ni, int qid)
3854 {
3855 struct ieee80211com *ic;
3856 struct rt2870_softc_tx_ring *ring;
3857 struct rt2870_softc_tx_data *data;
3858 struct rt2870_txinfo *txinfo;
3859 struct rt2870_txwi *txwi;
3860 struct ieee80211_frame *wh;
3861 struct rt2870_softc_tx_radiotap_header *tap;
3862 u_int hdrsize, hdrspace;
3863 uint8_t type, rate, bw, shortgi, mcs, pid, wcid;
3864 uint16_t qos, len, dmalen, mpdu_len, dur;
3865 int hasqos, ackrate;
3866
3867 ic = &sc->ic;
3868
3869 ring = &sc->tx_ring[qid];
3870 data = STAILQ_FIRST(&ring->inactive);
3871 STAILQ_REMOVE_HEAD(&ring->inactive, next);
3872 txinfo = (struct rt2870_txinfo *) data->buf;
3873 txwi = (struct rt2870_txwi *) (txinfo + 1);
3874
3875 wh = mtod(m, struct ieee80211_frame *);
3876
3877 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
3878
3879 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
3880 if (hasqos)
3881 {
3882 if (IEEE80211_HAS_ADDR4(wh))
3883 qos = le16toh(*(const uint16_t *)
3884 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
3885 else
3886 qos = le16toh(*(const uint16_t *)
3887 (((struct ieee80211_qosframe *) wh)->i_qos));
3888 }
3889 else
3890 {
3891 qos = 0;
3892 }
3893
3894 if (ni->ni_flags & IEEE80211_NODE_HT)
3895 {
3896 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
3897 rate = 0;
3898 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
3899 rate = ic->ic_fixed_rate;
3900 else
3901 rate = ni->ni_htrates.rs_rates[ni->ni_txrate];
3902 }
3903 else
3904 {
3905 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
3906 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3907 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
3908 rate = ic->ic_fixed_rate;
3909 else
3910 rate = ni->ni_rates.rs_rates[ni->ni_txrate];
3911 }
3912
3913 rate &= IEEE80211_RATE_VAL;
3914
3915 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
3916
3917 /* align end on a 4-bytes boundary */
3918
3919 dmalen = (len + 3) & ~3;
3920
3921 /* fill Tx info */
3922
3923 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
3924
3925 txinfo->len = htole16(dmalen);
3926
3927 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
3928
3929 /* fill Tx wireless info */
3930
3931 if (ni->ni_flags & IEEE80211_NODE_HT)
3932 mcs = rate;
3933 else
3934 mcs = rt2870_rate2mcs(rate);
3935
3936 pid = mcs + 1;
3937
3938 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
3939 RT2870_AID2WCID(ni->ni_associd) : 0xff;
3940
3941 /* calculate MPDU length without padding */
3942
3943 hdrsize = ieee80211_hdrsize(wh);
3944 hdrspace = ieee80211_hdrspace(ic, wh);
3945 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
3946
3947 memset(txwi, 0, sizeof(struct rt2870_txwi));
3948
3949 txwi->wcid = wcid;
3950
3951 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
3952 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
3953 RT2870_TXWI_MPDU_LEN_SHIFT);
3954
3955 if ((ic->ic_flags_ext & (IEEE80211_FEXT_SHORTGI20 | IEEE80211_FEXT_SHORTGI40)) &&
3956 (ni->ni_flags & IEEE80211_NODE_HT))
3957 shortgi = 1;
3958 else
3959 shortgi = 0;
3960
3961 txwi->phymode_ifs_stbc_shortgi |=
3962 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
3963
3964 if (ni->ni_flags & IEEE80211_NODE_HT)
3965 {
3966 txwi->phymode_ifs_stbc_shortgi |=
3967 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
3968 }
3969 else
3970 {
3971 if (!RT2870_RATE_IS_OFDM(rate))
3972 {
3973 txwi->phymode_ifs_stbc_shortgi |=
3974 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
3975
3976 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3977 mcs |= RT2870_TXWI_MCS_SHOTPRE;
3978 }
3979 else
3980 {
3981 txwi->phymode_ifs_stbc_shortgi |=
3982 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
3983 }
3984 }
3985
3986 if ((ni->ni_flags & IEEE80211_NODE_HT) &&
3987 (ni->ni_htcap & IEEE80211_HTCAP_CHWIDTH40))
3988 bw = RT2870_TXWI_BW_40;
3989 else
3990 bw = RT2870_TXWI_BW_20;
3991
3992 txwi->bw_mcs = ((bw & RT2870_TXWI_BW_MASK) << RT2870_TXWI_BW_SHIFT) |
3993 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
3994
3995 if (type != IEEE80211_FC0_TYPE_DATA)
3996 txwi->txop = (RT2870_TXWI_TXOP_BACKOFF << RT2870_TXWI_TXOP_SHIFT);
3997 else
3998 txwi->txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
3999
4000 /* skip ACKs for multicast frames and probe responses */
4001
4002 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4003 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) !=
4004 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) &&
4005 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4006 {
4007 txwi->bawin_size_xflags |=
4008 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4009
4010 if (ni->ni_flags & IEEE80211_NODE_HT)
4011 {
4012 /* preamble + plcp + signal extension */
4013
4014 dur = 16 + 4 + 6;
4015 }
4016 else
4017 {
4018 ackrate = rt2870_ackrate(ic, rate);
4019
4020 dur = rt2870_txtime(RT2870_ACK_SIZE, ackrate, ic->ic_flags) +
4021 sc->sifs;
4022 }
4023
4024 *(uint16_t *) wh->i_dur = htole16(dur);
4025 }
4026
4027 /* ask MAC to insert timestamp into probe responses */
4028
4029 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4030 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4031 txwi->mpdu_density_flags |=
4032 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4033
4034 if (bpf_peers_present(sc->drvbpf))
4035 {
4036 tap = &sc->txtap;
4037
4038 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4039 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4040 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4041 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4042 tap->chan_maxpow = 0;
4043
4044 if (ni->ni_flags & IEEE80211_NODE_HT)
4045 tap->rate = mcs | IEEE80211_RATE_MCS;
4046 else
4047 tap->rate = rate;
4048
4049 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4050 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4051
4052 if (shortgi)
4053 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4054
4055 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4056 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4057
4058 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4059 {
4060 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4061
4062 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
4063
4064 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4065 }
4066 else
4067 {
4068 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
4069 }
4070 }
4071
4072 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4073
4074 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4075 "%s: sending frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4076 "bw=%d, shortgi=%d, mcs=%d, wcid=0x%02x, DMA len=%d\n",
4077 device_get_nameunit(sc->dev),
4078 qid, hdrsize, hdrspace, m->m_pkthdr.len, bw, shortgi, mcs, wcid, dmalen);
4079
4080 data->m = m;
4081 data->ni = ni;
4082
4083 STAILQ_INSERT_TAIL(&ring->active, data, next);
4084 ring->queued++;
4085
4086 usbd_setup_xfer(data->xfer, ring->usb_pipe, ring, data->buf, len,
4087 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, RT2870_USB_XFER_TIMEOUT, rt2870_tx_intr);
4088
4089 usbd_transfer(data->xfer);
4090
4091 return 0;
4092 }
4093
4094 /*
4095 * rt2870_tx_raw
4096 */
4097 static int rt2870_tx_raw(struct rt2870_softc *sc,
4098 struct mbuf *m, struct ieee80211_node *ni,
4099 const struct ieee80211_bpf_params *params)
4100 {
4101 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4102 "%s: Tx raw\n",
4103 device_get_nameunit(sc->dev));
4104
4105 return 0;
4106 }
4107
4108 /*
4109 * rt2870_rx_intr
4110 */
4111 static void rt2870_rx_intr(usbd_xfer_handle xfer,
4112 usbd_private_handle priv, usbd_status status)
4113 {
4114 struct rt2870_softc *sc;
4115 struct ifnet *ifp;
4116 struct rt2870_softc_rx_ring *ring;
4117 struct rt2870_softc_rx_data *data;
4118 int len;
4119
4120 sc = priv;
4121 ifp = sc->ifp;
4122 ring = &sc->rx_ring;
4123
4124 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4125 return;
4126
4127 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4128 "%s: Rx interrupt: %s\n",
4129 device_get_nameunit(sc->dev), usbd_errstr(status));
4130
4131 sc->interrupts++;
4132 sc->rx_interrupts++;
4133
4134 switch (status)
4135 {
4136 case USBD_NORMAL_COMPLETION:
4137 data = STAILQ_FIRST(&ring->active);
4138 if (data == NULL)
4139 break;
4140
4141 STAILQ_REMOVE_HEAD(&ring->active, next);
4142
4143 KASSERT(data->xfer == xfer,
4144 ("%s: Rx interrupt: invalid USB xfer\n",
4145 device_get_nameunit(sc->dev)));
4146
4147 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL);
4148
4149 data->len = len;
4150
4151 STAILQ_INSERT_TAIL(&ring->done, data, next);
4152
4153 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4154 break;
4155
4156 case USBD_CANCELLED:
4157 case USBD_NOT_STARTED:
4158 break;
4159
4160 default:
4161 if (status == USBD_STALLED)
4162 usbd_clear_endpoint_stall_async(ring->usb_pipe);
4163
4164 data = STAILQ_FIRST(&ring->active);
4165 if (data != NULL)
4166 {
4167 STAILQ_REMOVE_HEAD(&ring->active, next);
4168
4169 STAILQ_INSERT_TAIL(&ring->active, data, next);
4170
4171 usbd_setup_xfer(xfer, ring->usb_pipe, sc, data->buf,
4172 RT2870_USB_RX_BULK_BUFLEN, USBD_SHORT_XFER_OK | USBD_NO_COPY,
4173 USBD_NO_TIMEOUT, rt2870_rx_intr);
4174
4175 usbd_transfer(xfer);
4176 }
4177 break;
4178 }
4179 }
4180
4181 /*
4182 * rt2870_tx_intr
4183 */
4184 static void rt2870_tx_intr(usbd_xfer_handle xfer,
4185 usbd_private_handle priv, usbd_status status)
4186 {
4187 struct rt2870_softc *sc;
4188 struct ifnet *ifp;
4189 struct rt2870_softc_tx_ring *ring;
4190 struct rt2870_softc_tx_data *data;
4191
4192 ring = priv;
4193 sc = ring->sc;
4194 ifp = sc->ifp;
4195
4196 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4197 return;
4198
4199 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4200 "%s: Tx interrupt: %s\n",
4201 device_get_nameunit(sc->dev), usbd_errstr(status));
4202
4203 sc->interrupts++;
4204 sc->tx_interrupts[ring->qid]++;
4205
4206 switch (status)
4207 {
4208 case USBD_NORMAL_COMPLETION:
4209 data = STAILQ_FIRST(&ring->active);
4210 if (data == NULL)
4211 break;
4212
4213 STAILQ_REMOVE_HEAD(&ring->active, next);
4214
4215 STAILQ_INSERT_TAIL(&ring->done, data, next);
4216
4217 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4218 break;
4219
4220 case USBD_CANCELLED:
4221 case USBD_NOT_STARTED:
4222 break;
4223
4224 default:
4225 data = STAILQ_FIRST(&ring->active);
4226 if (data != NULL)
4227 {
4228 STAILQ_REMOVE_HEAD(&ring->active, next);
4229
4230 if (data->m != NULL)
4231 {
4232 m_freem(data->m);
4233 data->m = NULL;
4234 }
4235
4236 if (data->ni != NULL)
4237 {
4238 ieee80211_free_node(data->ni);
4239 data->ni = NULL;
4240 }
4241
4242 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4243
4244 ring->queued--;
4245 }
4246
4247 printf("%s: could not transmit buffer: qid=%d, status=%s\n",
4248 device_get_nameunit(sc->dev), ring->qid, usbd_errstr(status));
4249
4250 ifp->if_oerrors++;
4251 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4252
4253 if (status == USBD_STALLED)
4254 usbd_clear_endpoint_stall_async(ring->usb_pipe);
4255 break;
4256 }
4257 }
4258
4259 /*
4260 * rt2870_rx_done_task
4261 */
4262 static void rt2870_rx_done_task(void *context, int pending)
4263 {
4264 struct rt2870_softc *sc;
4265 struct ifnet *ifp;
4266
4267 sc = context;
4268 ifp = sc->ifp;
4269
4270 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4271 "%s: Rx done task\n",
4272 device_get_nameunit(sc->dev));
4273
4274 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4275 return;
4276
4277 if (rt2870_rx_eof(sc, sc->rx_process_limit) != 0)
4278 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4279 }
4280
4281 /*
4282 * rt2870_tx_done_task
4283 */
4284 static void rt2870_tx_done_task(void *context, int pending)
4285 {
4286 struct rt2870_softc *sc;
4287 struct ifnet *ifp;
4288 int i;
4289
4290 sc = context;
4291 ifp = sc->ifp;
4292
4293 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4294 "%s: Tx done task\n",
4295 device_get_nameunit(sc->dev));
4296
4297 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4298 return;
4299
4300 for (i = sc->usb_endpoints - 2; i >= 0; i--)
4301 rt2870_tx_eof(sc, &sc->tx_ring[i]);
4302
4303 sc->tx_timer = 0;
4304
4305 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4306 }
4307
4308 /*
4309 * rt2870_periodic_task
4310 */
4311 static void rt2870_periodic_task(void *context, int pending)
4312 {
4313 struct rt2870_softc *sc;
4314 struct ifnet *ifp;
4315 struct ieee80211com *ic;
4316
4317 sc = context;
4318 ifp = sc->ifp;
4319 ic = &sc->ic;
4320
4321 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
4322 "%s: periodic task: round=%lu\n",
4323 device_get_nameunit(sc->dev), sc->periodic_round);
4324
4325 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4326 return;
4327
4328 sc->periodic_round++;
4329
4330 rt2870_update_stats(sc);
4331
4332 if ((sc->periodic_round % 10) == 0)
4333 {
4334 rt2870_update_raw_counters(sc);
4335
4336 rt2870_watchdog(sc);
4337
4338 if (ic->ic_opmode == IEEE80211_M_STA)
4339 rt2870_amrr_update_iter_func(sc, ic->ic_bss);
4340 else
4341 ieee80211_iterate_nodes(&ic->ic_sta, rt2870_amrr_update_iter_func, sc);
4342 }
4343
4344 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
4345 }
4346
4347 /*
4348 * rt2870_cmd_task
4349 */
4350 static void rt2870_cmd_task(void *context, int pending)
4351 {
4352 struct rt2870_softc *sc;
4353 struct rt2870_softc_cmd_ring *ring;
4354 struct rt2870_softc_cmd *cmd;
4355
4356 sc = context;
4357 ring = &sc->cmd_ring;
4358
4359 while (1)
4360 {
4361 RT2870_SOFTC_LOCK(sc);
4362
4363 cmd = STAILQ_FIRST(&ring->active);
4364 if (cmd == NULL)
4365 {
4366 RT2870_SOFTC_UNLOCK(sc);
4367 break;
4368 }
4369
4370 STAILQ_REMOVE_HEAD(&ring->active, next);
4371
4372 RT2870_SOFTC_UNLOCK(sc);
4373
4374 cmd->cb(sc, cmd->data);
4375
4376 RT2870_SOFTC_LOCK(sc);
4377
4378 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
4379 ring->queued--;
4380
4381 RT2870_SOFTC_UNLOCK(sc);
4382 }
4383 }
4384
4385 /*
4386 * rt2870_rx_eof
4387 */
4388 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit)
4389 {
4390 struct ifnet *ifp;
4391 struct rt2870_softc_rx_ring *ring;
4392 struct rt2870_softc_rx_data *data;
4393 uint32_t dmalen;
4394 uint8_t *buf;
4395 int nframes, len;
4396
4397 ifp = sc->ifp;
4398 ring = &sc->rx_ring;
4399
4400 nframes = 0;
4401
4402 while (limit != 0)
4403 {
4404 RT2870_SOFTC_LOCK(sc);
4405
4406 data = STAILQ_FIRST(&ring->done);
4407 if (data == NULL)
4408 {
4409 RT2870_SOFTC_UNLOCK(sc);
4410 break;
4411 }
4412
4413 STAILQ_REMOVE_HEAD(&ring->done, next);
4414
4415 RT2870_SOFTC_UNLOCK(sc);
4416
4417 buf = data->buf;
4418 len = data->len;
4419
4420 if (len < RT2870_RX_DESC_SIZE)
4421 {
4422 ifp->if_ierrors++;
4423 goto skip;
4424 }
4425
4426 while (len > (sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)))
4427 {
4428 dmalen = (le32toh(*(uint32_t *) buf) & 0xffff);
4429
4430 if (dmalen == 0 || (dmalen & 3) != 0)
4431 {
4432 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4433 "%s: bad DMA len=%u\n",
4434 device_get_nameunit(sc->dev), dmalen);
4435 goto skip;
4436 }
4437
4438 if ((dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)) > len)
4439 {
4440 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4441 "%s: bad DMA len: DMA len=%u, USB len=%d\n",
4442 device_get_nameunit(sc->dev),
4443 (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)), len);
4444 goto skip;
4445 }
4446
4447 nframes++;
4448
4449 rt2870_rx_frame(sc, buf + sizeof(uint32_t), dmalen);
4450
4451 buf += (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
4452 len -= (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
4453 }
4454
4455 skip:
4456
4457 RT2870_SOFTC_LOCK(sc);
4458
4459 STAILQ_INSERT_TAIL(&ring->active, data, next);
4460
4461 RT2870_SOFTC_UNLOCK(sc);
4462
4463 usbd_setup_xfer(data->xfer, ring->usb_pipe, sc, data->buf,
4464 RT2870_USB_RX_BULK_BUFLEN, USBD_SHORT_XFER_OK | USBD_NO_COPY,
4465 USBD_NO_TIMEOUT, rt2870_rx_intr);
4466
4467 usbd_transfer(data->xfer);
4468
4469 limit--;
4470 }
4471
4472 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4473 "%s: Rx eof: nframes=%d\n",
4474 device_get_nameunit(sc->dev), nframes);
4475
4476 sc->rx_packets += nframes;
4477
4478 return (limit == 0);
4479 }
4480
4481 /*
4482 * rt2870_tx_eof
4483 */
4484 static void rt2870_tx_eof(struct rt2870_softc *sc,
4485 struct rt2870_softc_tx_ring *ring)
4486 {
4487 struct ifnet *ifp;
4488 struct rt2870_softc_tx_data *data;
4489 int nframes;
4490
4491 ifp = sc->ifp;
4492
4493 nframes = 0;
4494
4495 while (1)
4496 {
4497 RT2870_SOFTC_LOCK(sc);
4498
4499 data = STAILQ_FIRST(&ring->done);
4500 if (data == NULL)
4501 {
4502 RT2870_SOFTC_UNLOCK(sc);
4503 break;
4504 }
4505
4506 STAILQ_REMOVE_HEAD(&ring->done, next);
4507
4508 RT2870_SOFTC_UNLOCK(sc);
4509
4510 nframes++;
4511
4512 if (data->m->m_flags & M_TXCB)
4513 ieee80211_process_callback(data->ni, data->m, 0);
4514
4515 m_freem(data->m);
4516
4517 ieee80211_free_node(data->ni);
4518
4519 data->m = NULL;
4520 data->ni = NULL;
4521
4522 RT2870_SOFTC_LOCK(sc);
4523
4524 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4525
4526 ring->queued--;
4527
4528 RT2870_SOFTC_UNLOCK(sc);
4529
4530 ifp->if_opackets++;
4531 }
4532
4533 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4534 "%s: Tx eof: qid=%d, nframes=%d\n",
4535 device_get_nameunit(sc->dev), ring->qid, nframes);
4536 }
4537
4538 /*
4539 * rt2870_update_stats
4540 */
4541 static void rt2870_update_stats(struct rt2870_softc *sc)
4542 {
4543 struct ifnet *ifp;
4544 struct ieee80211com *ic;
4545 struct ieee80211_node *ni;
4546 uint16_t associd;
4547 uint8_t wcid;
4548 uint32_t stacnt[3];
4549 int txcnt, retrycnt, failcnt;
4550
4551 ifp = sc->ifp;
4552 ic = ifp->if_l2com;
4553
4554 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
4555 "%s: update statistic\n",
4556 device_get_nameunit(sc->dev));
4557
4558 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4559 return;
4560
4561 rt2870_drain_fifo_stats(sc);
4562
4563 if (ic->ic_opmode == IEEE80211_M_STA)
4564 {
4565 ni = ic->ic_bss;
4566
4567 associd = (ni != NULL) ? ni->ni_associd : 0;
4568 wcid = RT2870_AID2WCID(associd);
4569
4570 /* read and clear Tx statistic registers */
4571
4572 rt2870_io_mac_read_multi(sc, RT2870_REG_TX_STA_CNT0,
4573 stacnt, sizeof(stacnt));
4574
4575 txcnt = le32toh(stacnt[1]) & 0xffff;
4576 retrycnt = le32toh(stacnt[1]) >> 16;
4577 failcnt = le32toh(stacnt[0]) & 0xffff;
4578
4579 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
4580 "%s: update statistic: associd=0x%04x, txcnt=%d, retrycnt=%d, failcnt=%d\n",
4581 device_get_nameunit(sc->dev),
4582 associd, txcnt, retrycnt, failcnt);
4583
4584 ifp->if_oerrors += failcnt;
4585
4586 rt2870_amrr_tx_update(&sc->amrr_node[wcid],
4587 txcnt + retrycnt + failcnt, txcnt + retrycnt, retrycnt + failcnt);
4588 }
4589 }
4590
4591 /*
4592 * rt2870_watchdog
4593 */
4594 static void rt2870_watchdog(struct rt2870_softc *sc)
4595 {
4596 uint32_t tmp;
4597 int ntries;
4598
4599 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
4600
4601 RT2870_DPRINTF(sc, RT2870_DEBUG_WATCHDOG,
4602 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
4603 device_get_nameunit(sc->dev), tmp);
4604
4605 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) != 0)
4606 {
4607 sc->tx_queue_not_empty[0]++;
4608
4609 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40012);
4610
4611 for (ntries = 0; ntries < 10; ntries++)
4612 {
4613 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
4614 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) == 0)
4615 break;
4616
4617 DELAY(1);
4618 }
4619
4620 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
4621 }
4622
4623 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) != 0)
4624 {
4625 sc->tx_queue_not_empty[1]++;
4626
4627 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf4000a);
4628
4629 for (ntries = 0; ntries < 10; ntries++)
4630 {
4631 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
4632 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) == 0)
4633 break;
4634
4635 DELAY(1);
4636 }
4637
4638 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
4639 }
4640 }
4641
4642 /*
4643 * rt2870_drain_fifo_stats
4644 */
4645 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc)
4646 {
4647 struct ifnet *ifp;
4648 uint32_t stats;
4649 uint8_t wcid, mcs, pid;
4650 int ok, retrycnt;
4651
4652 ifp = sc->ic.ic_ifp;
4653
4654 /* drain Tx status FIFO (maxsize = 16) */
4655
4656 while ((stats = rt2870_io_mac_read(sc, RT2870_REG_TX_STA_FIFO)) &
4657 RT2870_REG_TX_STA_FIFO_VALID)
4658 {
4659 wcid = (stats >> RT2870_REG_TX_STA_FIFO_WCID_SHIFT) &
4660 RT2870_REG_TX_STA_FIFO_WCID_MASK;
4661
4662 /* if no ACK was requested, no feedback is available */
4663
4664 if (!(stats & RT2870_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
4665 continue;
4666
4667 /* update AMRR statistic */
4668
4669 ok = (stats & RT2870_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
4670 retrycnt = 0;
4671
4672 mcs = (stats >> RT2870_REG_TX_STA_FIFO_MCS_SHIFT) &
4673 RT2870_REG_TX_STA_FIFO_MCS_MASK;
4674 pid = (stats >> RT2870_REG_TX_STA_FIFO_PID_SHIFT) &
4675 RT2870_REG_TX_STA_FIFO_PID_MASK;
4676
4677 if (!ok || (mcs + 1) != pid)
4678 retrycnt++;
4679
4680 rt2870_amrr_tx_complete(&sc->amrr_node[wcid],
4681 ok, retrycnt);
4682
4683 if (!ok)
4684 ifp->if_oerrors++;
4685 }
4686 }
4687
4688 /*
4689 * rt2870_update_raw_counters
4690 */
4691 static void rt2870_update_raw_counters(struct rt2870_softc *sc)
4692 {
4693 uint32_t tmp;
4694
4695 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT0);
4696
4697 sc->rx_crc_errors += tmp & 0xffff;
4698 sc->rx_phy_errors += tmp >> 16;
4699
4700 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT1);
4701
4702 sc->rx_false_ccas += tmp & 0xffff;
4703 sc->rx_plcp_errors += tmp >> 16;
4704
4705 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT2);
4706
4707 sc->rx_dup_packets += tmp & 0xffff;
4708 sc->rx_fifo_overflows += tmp >> 16;
4709 }
4710
4711 /*
4712 * rt2870_alloc_rx_ring
4713 */
4714 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
4715 struct rt2870_softc_rx_ring *ring)
4716 {
4717 struct rt2870_softc_rx_data *data;
4718 int i, error;
4719
4720 STAILQ_INIT(&ring->active);
4721 STAILQ_INIT(&ring->done);
4722
4723 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
4724 {
4725 data = &ring->data[i];
4726
4727 data->xfer = usbd_alloc_xfer(sc->usb_dev);
4728 if (data->xfer == NULL)
4729 {
4730 printf("%s: could not allocate Rx xfer\n",
4731 device_get_nameunit(sc->dev));
4732 error = ENOMEM;
4733 goto fail;
4734 }
4735
4736 data->buf = usbd_alloc_buffer(data->xfer, RT2870_USB_RX_BULK_BUFLEN);
4737 if (data->buf == NULL)
4738 {
4739 printf("%s: could not allocate Rx buffer\n",
4740 device_get_nameunit(sc->dev));
4741 error = ENOMEM;
4742 goto fail;
4743 }
4744 }
4745
4746 return 0;
4747
4748 fail:
4749
4750 rt2870_free_rx_ring(sc, ring);
4751
4752 return error;
4753 }
4754
4755 /*
4756 * rt2870_reset_rx_ring
4757 */
4758 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
4759 struct rt2870_softc_rx_ring *ring)
4760 {
4761 STAILQ_INIT(&ring->active);
4762 STAILQ_INIT(&ring->done);
4763 }
4764
4765 /*
4766 * rt2870_free_rx_ring
4767 */
4768 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
4769 struct rt2870_softc_rx_ring *ring)
4770 {
4771 struct rt2870_softc_rx_data *data;
4772 int i;
4773
4774 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
4775 {
4776 data = &ring->data[i];
4777
4778 if (data->xfer != NULL)
4779 {
4780 usbd_free_xfer(data->xfer);
4781 data->xfer = NULL;
4782 }
4783 }
4784 }
4785
4786 /*
4787 * rt2870_alloc_tx_ring
4788 */
4789 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
4790 struct rt2870_softc_tx_ring *ring, int qid)
4791 {
4792 struct rt2870_softc_tx_data *data;
4793 int i, error;
4794
4795 STAILQ_INIT(&ring->inactive);
4796 STAILQ_INIT(&ring->active);
4797 STAILQ_INIT(&ring->done);
4798
4799 ring->sc = sc;
4800 ring->queued = 0;
4801 ring->qid = qid;
4802
4803 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
4804 {
4805 data = &ring->data[i];
4806
4807 data->xfer = usbd_alloc_xfer(sc->usb_dev);
4808 if (data->xfer == NULL)
4809 {
4810 printf("%s: could not allocate Tx xfer\n",
4811 device_get_nameunit(sc->dev));
4812 error = ENOMEM;
4813 goto fail;
4814 }
4815
4816 data->buf = usbd_alloc_buffer(data->xfer,
4817 RT2870_TX_DESC_SIZE + MJUMPAGESIZE);
4818 if (data->buf == NULL)
4819 {
4820 printf("%s: could not allocate Tx buffer\n",
4821 device_get_nameunit(sc->dev));
4822 error = ENOMEM;
4823 goto fail;
4824 }
4825
4826 memset(data->buf, 0, RT2870_TX_DESC_SIZE);
4827
4828 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4829 }
4830
4831 return 0;
4832
4833 fail:
4834
4835 rt2870_free_tx_ring(sc, ring);
4836
4837 return error;
4838 }
4839
4840 /*
4841 * rt2870_reset_tx_ring
4842 */
4843 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
4844 struct rt2870_softc_tx_ring *ring)
4845 {
4846 struct rt2870_softc_tx_data *data;
4847 int i;
4848
4849 STAILQ_INIT(&ring->inactive);
4850 STAILQ_INIT(&ring->active);
4851 STAILQ_INIT(&ring->done);
4852
4853 ring->queued = 0;
4854
4855 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
4856 {
4857 data = &ring->data[i];
4858
4859 if (data->m != NULL)
4860 {
4861 m_free(data->m);
4862 data->m = NULL;
4863 }
4864
4865 if (data->ni != NULL)
4866 {
4867 ieee80211_free_node(data->ni);
4868 data->ni = NULL;
4869 }
4870
4871 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4872 }
4873 }
4874
4875 /*
4876 * rt2870_free_tx_ring
4877 */
4878 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
4879 struct rt2870_softc_tx_ring *ring)
4880 {
4881 struct rt2870_softc_tx_data *data;
4882 int i;
4883
4884 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
4885 {
4886 data = &ring->data[i];
4887
4888 if (data->xfer != NULL)
4889 {
4890 usbd_free_xfer(data->xfer);
4891 data->xfer = NULL;
4892 }
4893
4894 if (data->m != NULL)
4895 {
4896 m_free(data->m);
4897 data->m = NULL;
4898 }
4899
4900 if (data->ni != NULL)
4901 {
4902 ieee80211_free_node(data->ni);
4903 data->ni = NULL;
4904 }
4905 }
4906 }
4907
4908 /*
4909 * rt2870_reset_cmd_ring
4910 */
4911 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
4912 struct rt2870_softc_cmd_ring *ring)
4913 {
4914 struct rt2870_softc_cmd *cmd;
4915 int i;
4916
4917 STAILQ_INIT(&ring->inactive);
4918 STAILQ_INIT(&ring->active);
4919
4920 ring->queued = 0;
4921
4922 for (i = 0; i < RT2870_SOFTC_CMD_RING_CMD_COUNT; i++)
4923 {
4924 cmd = &ring->cmd[i];
4925
4926 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
4927 }
4928 }
4929
4930 /*
4931 * rt2870_sysctl_attach
4932 */
4933 static void rt2870_sysctl_attach(struct rt2870_softc *sc)
4934 {
4935 struct sysctl_ctx_list *ctx;
4936 struct sysctl_oid *tree;
4937 struct sysctl_oid *stats;
4938
4939 ctx = device_get_sysctl_ctx(sc->dev);
4940 tree = device_get_sysctl_tree(sc->dev);
4941
4942 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
4943 "stats", CTLFLAG_RD, 0, "statistic");
4944
4945 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
4946 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
4947 "all interrupts");
4948
4949 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
4950 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
4951 "Rx interrupts");
4952
4953 if (sc->usb_endpoints == (RT2870_SOFTC_TX_RING_COUNT + 1))
4954 {
4955 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
4956 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
4957 "Tx MGMT interrupts");
4958
4959 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
4960 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
4961 "Tx HCCA interrupts");
4962 }
4963
4964 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
4965 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
4966 "Tx AC3 interrupts");
4967
4968 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
4969 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
4970 "Tx AC2 interrupts");
4971
4972 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
4973 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
4974 "Tx AC1 interrupts");
4975
4976 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
4977 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
4978 "Tx AC0 interrupts");
4979
4980 if (sc->usb_endpoints == (RT2870_SOFTC_TX_RING_COUNT + 1))
4981 {
4982 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
4983 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].queued, 0,
4984 "Tx MGMT data queued");
4985
4986 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
4987 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].queued, 0,
4988 "Tx HCCA data queued");
4989 }
4990
4991 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
4992 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].queued, 0,
4993 "Tx AC3 data queued");
4994
4995 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
4996 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].queued, 0,
4997 "Tx AC2 data queued");
4998
4999 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5000 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].queued, 0,
5001 "Tx AC1 data queued");
5002
5003 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5004 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].queued, 0,
5005 "Tx AC0 data queued");
5006
5007 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5008 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
5009 "Tx watchdog timeouts");
5010
5011 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5012 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
5013 "Rx mbuf allocation errors");
5014
5015 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5016 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
5017 "Tx queue 0 not empty");
5018
5019 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5020 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
5021 "Tx queue 1 not empty");
5022
5023 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5024 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
5025 "Rx packets");
5026
5027 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5028 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
5029 "Rx CRC errors");
5030
5031 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5032 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
5033 "Rx PHY errors");
5034
5035 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5036 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
5037 "Rx false CCAs");
5038
5039 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5040 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
5041 "Rx PLCP errors");
5042
5043 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5044 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
5045 "Rx duplicate packets");
5046
5047 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5048 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
5049 "Rx FIFO overflows");
5050 }
5051
5052 static device_method_t rt2870_dev_methods[] =
5053 {
5054 DEVMETHOD(device_probe, rt2870_probe),
5055 DEVMETHOD(device_attach, rt2870_attach),
5056 DEVMETHOD(device_detach, rt2870_detach),
5057 { 0, 0 }
5058 };
5059
5060 static driver_t rt2870_driver =
5061 {
5062 "rt2870",
5063 rt2870_dev_methods,
5064 sizeof(struct rt2870_softc),
5065 };
5066
5067 static devclass_t rt2870_dev_class;
5068
5069 DRIVER_MODULE(rt2870, uhub, rt2870_driver, rt2870_dev_class,
5070 usbd_driver_load, 0);
5071
5072 MODULE_DEPEND(rt2870, usb, 1, 1, 1);
5073 MODULE_DEPEND(rt2870, wlan, 1, 1, 1);
FreeBSD 7.2 device driver for Ralink rt2870