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Fixed removing pairwise key
[ralink_drivers/rt2870_fbsd72.git] / rt2870.c
blob31c0bd0c835ccc5371f0c66f6a299839877fc3b7
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_NODE(_hw, OID_AUTO, rt2870, CTLFLAG_RD, 0, "RT2870 driver parameters");
397
398 #ifdef RT2870_DEBUG
399 static int rt2870_debug = 0;
400 SYSCTL_INT(_hw_rt2870, OID_AUTO, debug, CTLFLAG_RW, &rt2870_debug, 0, "rt2870 debug level");
401 TUNABLE_INT("hw.rt2870.debug", &rt2870_debug);
402 #endif
403
404 /*
405 * rt2870_probe
406 */
407 static int rt2870_probe(device_t dev)
408 {
409 struct usb_attach_arg *uaa;
410
411 uaa = device_get_ivars(dev);
412
413 if (uaa->iface != NULL)
414 return UMATCH_NONE;
415
416 return (usb_lookup(rt2870_usb_devno, uaa->vendor, uaa->product) != NULL) ?
417 UMATCH_VENDOR_PRODUCT : UMATCH_NONE;
418 }
419
420 /*
421 * rt2870_attach
422 */
423 static int rt2870_attach(device_t dev)
424 {
425 struct rt2870_softc *sc;
426 struct usb_attach_arg *uaa;
427 usbd_status usb_error;
428 struct ieee80211com *ic;
429 struct ifnet *ifp;
430 int error, ntries, i;
431
432 sc = device_get_softc(dev);
433 uaa = device_get_ivars(dev);
434
435 sc->dev = dev;
436 sc->usb_dev = uaa->device;
437
438 #ifdef RT2870_DEBUG
439 sc->debug = rt2870_debug;
440
441 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
442 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
443 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2870 debug level");
444 #endif
445
446 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
447 "%s: attaching\n",
448 device_get_nameunit(sc->dev));
449
450 if (usbd_set_config_no(sc->usb_dev, RT2870_USB_CONFIG_NO, 0) != 0)
451 {
452 printf("%s: could not set USB configuration no\n",
453 device_get_nameunit(sc->dev));
454 return ENXIO;
455 }
456
457 usb_error = usbd_device2interface_handle(sc->usb_dev,
458 RT2870_USB_IFACE_INDEX, &sc->usb_iface);
459 if (usb_error != 0)
460 {
461 printf("%s: could not get USB interface handle\n",
462 device_get_nameunit(sc->dev));
463 return ENXIO;
464 }
465
466 error = rt2870_find_usb_endpoints(sc);
467 if (error != 0)
468 return error;
469
470 for (ntries = 0; ntries < 100; ntries++)
471 {
472 sc->mac_rev = rt2870_io_mac_read(sc, RT2870_REG_MAC_CSR0);
473 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
474 break;
475
476 DELAY(10);
477 }
478
479 if (ntries == 100)
480 {
481 printf("%s: timeout waiting for NIC to initialize\n",
482 device_get_nameunit(sc->dev));
483 return ENXIO;
484 }
485
486 rt2870_read_eeprom(sc);
487
488 printf("%s: MAC/BBP RT2870 (rev 0x%08x), RF %s\n",
489 device_get_nameunit(sc->dev), sc->mac_rev,
490 rt2870_rf_name(sc->rf_rev));
491
492 /* open Tx and Rx USB bulk pipes */
493
494 for (i = 0; i < sc->usb_endpoints - 1; i++)
495 {
496 error = usbd_open_pipe(sc->usb_iface, sc->tx_ring[i].usb_ep,
497 USBD_EXCLUSIVE_USE, &sc->tx_ring[i].usb_pipe);
498 if (error != 0)
499 {
500 printf("%s: could not open Tx pipe #%d: %s\n",
501 device_get_nameunit(sc->dev), i, usbd_errstr(error));
502 goto fail;
503 }
504 }
505
506 error = usbd_open_pipe(sc->usb_iface, sc->rx_ring.usb_ep,
507 USBD_EXCLUSIVE_USE, &sc->rx_ring.usb_pipe);
508 if (error != 0)
509 {
510 printf("%s: could not open Rx pipe: %s\n",
511 device_get_nameunit(sc->dev), usbd_errstr(error));
512 goto fail;
513 }
514
515 /* allocate Tx and Rx rings */
516
517 for (i = 0; i < sc->usb_endpoints - 1; i++)
518 {
519 error = rt2870_alloc_tx_ring(sc, &sc->tx_ring[i], i);
520 if (error != 0)
521 {
522 printf("%s: could not allocate Tx ring #%d\n",
523 device_get_nameunit(sc->dev), i);
524 goto fail;
525 }
526 }
527
528 if (sc->usb_endpoints == (RT2870_SOFTC_TX_RING_COUNT + 1))
529 sc->tx_ring_mgtqid = 5;
530 else
531 sc->tx_ring_mgtqid = 0;
532
533 error = rt2870_alloc_rx_ring(sc, &sc->rx_ring);
534 if (error != 0)
535 {
536 printf("%s: could not allocate Rx ring\n",
537 device_get_nameunit(sc->dev));
538 goto fail;
539 }
540
541 callout_init(&sc->periodic_ch, 0);
542 callout_init(&sc->tx_watchdog_ch, 0);
543
544 ifp = sc->ifp = if_alloc(IFT_ETHER);
545 if (ifp == NULL)
546 {
547 printf("%s: could not if_alloc()\n",
548 device_get_nameunit(sc->dev));
549 error = ENOMEM;
550 goto fail;
551 }
552
553 ifp->if_softc = sc;
554
555 if_initname(ifp, "rt2870", device_get_unit(sc->dev));
556
557 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST |
558 IFF_NEEDSGIANT;
559
560 ifp->if_init = rt2870_init;
561 ifp->if_ioctl = rt2870_ioctl;
562 ifp->if_start = rt2870_start;
563
564 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
565 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
566 IFQ_SET_READY(&ifp->if_snd);
567
568 ic = &sc->ic;
569
570 ic->ic_ifp = ifp;
571
572 ic->ic_phytype = IEEE80211_T_HT;
573 ic->ic_opmode = IEEE80211_M_STA;
574 ic->ic_state = IEEE80211_S_INIT;
575
576 ic->ic_caps = IEEE80211_C_MONITOR |
577 IEEE80211_C_IBSS |
578 IEEE80211_C_AHDEMO |
579 IEEE80211_C_HOSTAP |
580 IEEE80211_C_WDS |
581 /* IEEE80211_C_BGSCAN | */
582 IEEE80211_C_TXPMGT |
583 IEEE80211_C_SHPREAMBLE |
584 IEEE80211_C_SHSLOT |
585 IEEE80211_C_TXFRAG |
586 IEEE80211_C_BURST |
587 IEEE80211_C_WME |
588 IEEE80211_C_WEP |
589 IEEE80211_C_TKIP |
590 IEEE80211_C_AES_CCM |
591 IEEE80211_C_WPA;
592
593 ic->ic_htcaps = IEEE80211_HTC_HT |
594 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
595 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
596 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
597 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
598 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
599 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
600 IEEE80211_HTCAP_DSSSCCK40; /* HT 40MHz DSSS/CCK modulation */
601
602 /* spatial streams */
603
604 if (sc->nrxpath == 2)
605 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
606 else if (sc->nrxpath == 3)
607 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
608 else
609 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
610
611 if (sc->ntxpath > 1)
612 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
613
614 /* delayed BA */
615
616 if (sc->mac_rev != 0x28600100)
617 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
618
619 /* init channels */
620
621 ic->ic_nchans = 0;
622 ic->ic_regdomain = 0;
623 ic->ic_countrycode = CTRY_DEFAULT;
624 ic->ic_location = 0;
625
626 rt2870_init_channels(sc);
627
628 rt2870_init_channels_ht40(sc);
629
630 IEEE80211_ADDR_COPY(ic->ic_myaddr, sc->mac_addr);
631
632 ieee80211_ifattach(ic);
633
634 sc->newstate = ic->ic_newstate;
635 ic->ic_newstate = rt2870_newstate;
636
637 ic->ic_reset = rt2870_reset;
638 ic->ic_scan_start = rt2870_scan_start;
639 ic->ic_scan_end = rt2870_scan_end;
640 ic->ic_set_channel = rt2870_set_channel;
641 ic->ic_newassoc = rt2870_newassoc;
642 ic->ic_updateslot = rt2870_updateslot;
643 ic->ic_wme.wme_update = rt2870_wme_update;
644 ic->ic_update_beacon = rt2870_update_beacon;
645 ic->ic_crypto.cs_key_update_begin = rt2870_key_update_begin;
646 ic->ic_crypto.cs_key_update_end = rt2870_key_update_end;
647 ic->ic_crypto.cs_key_set = rt2870_key_set;
648 ic->ic_crypto.cs_key_delete = rt2870_key_delete;
649 ic->ic_raw_xmit = rt2870_raw_xmit;
650
651 sc->recv_action = ic->ic_recv_action;
652 ic->ic_recv_action = rt2870_recv_action;
653
654 sc->send_action = ic->ic_send_action;
655 ic->ic_send_action = rt2870_send_action;
656
657 /* hardware requires padding between 802.11 frame header and body */
658
659 ic->ic_flags |= IEEE80211_F_WME | IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
660
661 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
662
663 ieee80211_media_init(ic, rt2870_media_change, ieee80211_media_status);
664
665 rt2870_amrr_init(&sc->amrr, ic,
666 RT2870_AMRR_MIN_SUCCESS_THRESHOLD,
667 RT2870_AMRR_MAX_SUCCESS_THRESHOLD,
668 500);
669
670 bpfattach2(ifp, DLT_IEEE802_11_RADIO,
671 sizeof(struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN,
672 &sc->drvbpf);
673
674 sc->rxtap_len = sizeof(sc->rxtapu);
675 sc->rxtap.ihdr.it_len = htole16(sc->rxtap_len);
676 sc->rxtap.ihdr.it_present = htole32(RT2870_SOFTC_RX_RADIOTAP_PRESENT);
677
678 sc->txtap_len = sizeof(sc->txtapu);
679 sc->txtap.ihdr.it_len = htole16(sc->txtap_len);
680 sc->txtap.ihdr.it_present = htole32(RT2870_SOFTC_TX_RADIOTAP_PRESENT);
681
682 /* init task queue */
683
684 TASK_INIT(&sc->rx_done_task, 0, rt2870_rx_done_task, sc);
685 TASK_INIT(&sc->tx_done_task, 0, rt2870_tx_done_task, sc);
686 TASK_INIT(&sc->periodic_task, 0, rt2870_periodic_task, sc);
687 TASK_INIT(&sc->cmd_task, 0, rt2870_cmd_task, sc);
688
689 sc->rx_process_limit = 100;
690
691 sc->taskqueue = taskqueue_create("rt2870_taskq", M_NOWAIT,
692 taskqueue_thread_enqueue, &sc->taskqueue);
693
694 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
695 device_get_nameunit(sc->dev));
696
697 rt2870_sysctl_attach(sc);
698
699 if (bootverbose)
700 ieee80211_announce(ic);
701
702 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->usb_dev, sc->dev);
703
704 return 0;
705
706 fail:
707
708 /* close Tx and Rx USB bulk pipes */
709
710 if (sc->rx_ring.usb_pipe != NULL)
711 {
712 usbd_abort_pipe(sc->rx_ring.usb_pipe);
713 usbd_close_pipe(sc->rx_ring.usb_pipe);
714 sc->rx_ring.usb_pipe = NULL;
715 }
716
717 for (i = 0; i < sc->usb_endpoints - 1; i++)
718 {
719 if (sc->tx_ring[i].usb_pipe != NULL)
720 {
721 usbd_abort_pipe(sc->tx_ring[i].usb_pipe);
722 usbd_close_pipe(sc->tx_ring[i].usb_pipe);
723 sc->tx_ring[i].usb_pipe = NULL;
724 }
725 }
726
727 /* free Tx and Rx rings */
728
729 for (i = 0; i < sc->usb_endpoints - 1; i++)
730 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
731
732 rt2870_free_rx_ring(sc, &sc->rx_ring);
733
734 return error;
735 }
736
737 /*
738 * rt2870_detach
739 */
740 static int rt2870_detach(device_t dev)
741 {
742 struct rt2870_softc *sc;
743 struct ieee80211com *ic;
744 struct ifnet *ifp;
745 int i;
746
747 if (!device_is_attached(dev))
748 return 0;
749
750 sc = device_get_softc(dev);
751 ic = &sc->ic;
752 ifp = ic->ic_ifp;
753
754 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
755 "%s: detaching\n",
756 device_get_nameunit(sc->dev));
757
758 sc->tx_timer = 0;
759
760 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
761
762 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
763
764 callout_stop(&sc->periodic_ch);
765 callout_stop(&sc->tx_watchdog_ch);
766
767 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
768 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
769 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
770 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
771
772 /* close Tx and Rx USB bulk pipes */
773
774 if (sc->rx_ring.usb_pipe != NULL)
775 {
776 usbd_abort_pipe(sc->rx_ring.usb_pipe);
777 usbd_close_pipe(sc->rx_ring.usb_pipe);
778 sc->rx_ring.usb_pipe = NULL;
779 }
780
781 for (i = 0; i < sc->usb_endpoints - 1; i++)
782 {
783 if (sc->tx_ring[i].usb_pipe != NULL)
784 {
785 usbd_abort_pipe(sc->tx_ring[i].usb_pipe);
786 usbd_close_pipe(sc->tx_ring[i].usb_pipe);
787 sc->tx_ring[i].usb_pipe = NULL;
788 }
789 }
790
791 /* free Tx and Rx rings */
792
793 for (i = 0; i < sc->usb_endpoints - 1; i++)
794 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
795
796 rt2870_free_rx_ring(sc, &sc->rx_ring);
797
798 bpfdetach(ifp);
799
800 ieee80211_ifdetach(ic);
801
802 if_free(ifp);
803
804 taskqueue_free(sc->taskqueue);
805
806 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->usb_dev, sc->dev);
807
808 return 0;
809 }
810
811 /*
812 * rt2870_find_usb_endpoints
813 */
814 static int rt2870_find_usb_endpoints(struct rt2870_softc *sc)
815 {
816 usb_interface_descriptor_t *id;
817 usb_endpoint_descriptor_t *ed;
818 int i, j;
819
820 id = usbd_get_interface_descriptor(sc->usb_iface);
821
822 sc->usb_endpoints = id->bNumEndpoints;
823 if ((sc->usb_endpoints != (RT2870_SOFTC_TX_RING_COUNT + 1)) &&
824 (sc->usb_endpoints != (RT2870_SOFTC_TX_RING_COUNT - 2 + 1)))
825 {
826 printf("%s: wrong number of USB endpoints=%d\n",
827 device_get_nameunit(sc->dev), sc->usb_endpoints);
828 return ENXIO;
829 }
830
831 sc->rx_ring.usb_ep = -1;
832
833 for (i = 0; i < RT2870_SOFTC_TX_RING_COUNT; i++)
834 sc->tx_ring[i].usb_ep = -1;
835
836 for (i = 0, j = 0; i < id->bNumEndpoints; i++)
837 {
838 ed = usbd_interface2endpoint_descriptor(sc->usb_iface, i);
839 if (ed == NULL)
840 {
841 printf("%s: no endpoint descriptor #%d for USB interface\n",
842 device_get_nameunit(sc->dev), i);
843 return ENXIO;
844 }
845
846 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
847 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
848 {
849 sc->rx_ring.usb_ep = ed->bEndpointAddress;
850 }
851 else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
852 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
853 {
854 if (j < RT2870_SOFTC_TX_RING_COUNT)
855 sc->tx_ring[j++].usb_ep = ed->bEndpointAddress;
856 else
857 sc->tx_ring[RT2870_SOFTC_TX_RING_COUNT - 1].usb_ep =
858 ed->bEndpointAddress;
859 }
860 }
861
862 if ((sc->rx_ring.usb_ep == -1) ||
863 ((j != RT2870_SOFTC_TX_RING_COUNT) && (j != RT2870_SOFTC_TX_RING_COUNT - 2)))
864 {
865 printf("%s: missing USB endpoints\n",
866 device_get_nameunit(sc->dev));
867 return ENXIO;
868 }
869
870 return 0;
871 }
872
873 /*
874 * rt2870_init_channels
875 */
876 static void rt2870_init_channels(struct rt2870_softc *sc)
877 {
878 struct ieee80211com *ic;
879 struct ieee80211_channel *c;
880 int i, flags;
881
882 ic = &sc->ic;
883
884 /* set supported channels for 2GHz band */
885
886 for (i = 1; i <= 14; i++)
887 {
888 c = &ic->ic_channels[ic->ic_nchans++];
889 flags = IEEE80211_CHAN_B;
890
891 c->ic_freq = ieee80211_ieee2mhz(i, flags);
892 c->ic_ieee = i;
893 c->ic_flags = flags;
894
895 c = &ic->ic_channels[ic->ic_nchans++];
896 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
897
898 c->ic_freq = ieee80211_ieee2mhz(i, flags);
899 c->ic_ieee = i;
900 c->ic_flags = flags;
901
902 c = &ic->ic_channels[ic->ic_nchans++];
903 flags = IEEE80211_CHAN_G;
904
905 c->ic_freq = ieee80211_ieee2mhz(i, flags);
906 c->ic_ieee = i;
907 c->ic_flags = flags;
908
909 c = &ic->ic_channels[ic->ic_nchans++];
910 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
911
912 c->ic_freq = ieee80211_ieee2mhz(i, flags);
913 c->ic_ieee = i;
914 c->ic_flags = flags;
915 }
916
917 /* set supported channels for 5GHz band */
918
919 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
920 sc->rf_rev == RT2870_EEPROM_RF_2750)
921 {
922 for (i = 36; i <= 64; i += 4)
923 {
924 c = &ic->ic_channels[ic->ic_nchans++];
925 flags = IEEE80211_CHAN_A;
926
927 c->ic_freq = ieee80211_ieee2mhz(i, flags);
928 c->ic_ieee = i;
929 c->ic_flags = flags;
930
931 c = &ic->ic_channels[ic->ic_nchans++];
932 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
933
934 c->ic_freq = ieee80211_ieee2mhz(i, flags);
935 c->ic_ieee = i;
936 c->ic_flags = flags;
937 }
938
939 for (i = 100; i <= 140; i += 4)
940 {
941 c = &ic->ic_channels[ic->ic_nchans++];
942 flags = IEEE80211_CHAN_A;
943
944 c->ic_freq = ieee80211_ieee2mhz(i, flags);
945 c->ic_ieee = i;
946 c->ic_flags = flags;
947
948 c = &ic->ic_channels[ic->ic_nchans++];
949 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
950
951 c->ic_freq = ieee80211_ieee2mhz(i, flags);
952 c->ic_ieee = i;
953 c->ic_flags = flags;
954 }
955
956 for (i = 149; i <= 165; i += 4)
957 {
958 c = &ic->ic_channels[ic->ic_nchans++];
959 flags = IEEE80211_CHAN_A;
960
961 c->ic_freq = ieee80211_ieee2mhz(i, flags);
962 c->ic_ieee = i;
963 c->ic_flags = flags;
964
965 c = &ic->ic_channels[ic->ic_nchans++];
966 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
967
968 c->ic_freq = ieee80211_ieee2mhz(i, flags);
969 c->ic_ieee = i;
970 c->ic_flags = flags;
971 }
972 }
973 }
974
975 /*
976 * rt2870_init_channels_ht40
977 */
978 static void rt2870_init_channels_ht40(struct rt2870_softc *sc)
979 {
980 struct ieee80211com *ic;
981 struct ieee80211_channel *c, *cent, *ext;
982 int i, flags;
983
984 ic = &sc->ic;
985
986 /* set supported channels for 2GHz band */
987
988 for (i = 1; i <= 14; i++)
989 {
990 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
991
992 /* find the center channel */
993
994 cent = ieee80211_find_channel_byieee(ic, i,
995 flags & ~IEEE80211_CHAN_HT);
996 if (cent == NULL)
997 {
998 printf("%s: skip channel %d, could not find center channel\n",
999 device_get_nameunit(sc->dev), i);
1000 continue;
1001 }
1002
1003 /* find the extension channel */
1004
1005 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1006 flags & ~IEEE80211_CHAN_HT);
1007 if (ext == NULL)
1008 {
1009 printf("%s: skip channel %d, could not find extension channel\n",
1010 device_get_nameunit(sc->dev), i);
1011 continue;
1012 }
1013
1014 c = &ic->ic_channels[ic->ic_nchans++];
1015
1016 *c = *cent;
1017 c->ic_extieee = ext->ic_ieee;
1018 c->ic_flags &= ~IEEE80211_CHAN_HT;
1019 c->ic_flags |= IEEE80211_CHAN_HT40U;
1020
1021 c = &ic->ic_channels[ic->ic_nchans++];
1022
1023 *c = *ext;
1024 c->ic_extieee = cent->ic_ieee;
1025 c->ic_flags &= ~IEEE80211_CHAN_HT;
1026 c->ic_flags |= IEEE80211_CHAN_HT40D;
1027 }
1028
1029 /* set supported channels for 5GHz band */
1030
1031 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
1032 sc->rf_rev == RT2870_EEPROM_RF_2750)
1033 {
1034 for (i = 36; i <= 64; i += 4)
1035 {
1036 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1037
1038 /* find the center channel */
1039
1040 cent = ieee80211_find_channel_byieee(ic, i,
1041 flags & ~IEEE80211_CHAN_HT);
1042 if (cent == NULL)
1043 {
1044 printf("%s: skip channel %d, could not find center channel\n",
1045 device_get_nameunit(sc->dev), i);
1046 continue;
1047 }
1048
1049 /* find the extension channel */
1050
1051 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1052 flags & ~IEEE80211_CHAN_HT);
1053 if (ext == NULL)
1054 {
1055 printf("%s: skip channel %d, could not find extension channel\n",
1056 device_get_nameunit(sc->dev), i);
1057 continue;
1058 }
1059
1060 c = &ic->ic_channels[ic->ic_nchans++];
1061
1062 *c = *cent;
1063 c->ic_extieee = ext->ic_ieee;
1064 c->ic_flags &= ~IEEE80211_CHAN_HT;
1065 c->ic_flags |= IEEE80211_CHAN_HT40U;
1066
1067 c = &ic->ic_channels[ic->ic_nchans++];
1068
1069 *c = *ext;
1070 c->ic_extieee = cent->ic_ieee;
1071 c->ic_flags &= ~IEEE80211_CHAN_HT;
1072 c->ic_flags |= IEEE80211_CHAN_HT40D;
1073 }
1074
1075 for (i = 100; i <= 140; i += 4)
1076 {
1077 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1078
1079 /* find the center channel */
1080
1081 cent = ieee80211_find_channel_byieee(ic, i,
1082 flags & ~IEEE80211_CHAN_HT);
1083 if (cent == NULL)
1084 {
1085 printf("%s: skip channel %d, could not find center channel\n",
1086 device_get_nameunit(sc->dev), i);
1087 continue;
1088 }
1089
1090 /* find the extension channel */
1091
1092 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1093 flags & ~IEEE80211_CHAN_HT);
1094 if (ext == NULL)
1095 {
1096 printf("%s: skip channel %d, could not find extension channel\n",
1097 device_get_nameunit(sc->dev), i);
1098 continue;
1099 }
1100
1101 c = &ic->ic_channels[ic->ic_nchans++];
1102
1103 *c = *cent;
1104 c->ic_extieee = ext->ic_ieee;
1105 c->ic_flags &= ~IEEE80211_CHAN_HT;
1106 c->ic_flags |= IEEE80211_CHAN_HT40U;
1107
1108 c = &ic->ic_channels[ic->ic_nchans++];
1109
1110 *c = *ext;
1111 c->ic_extieee = cent->ic_ieee;
1112 c->ic_flags &= ~IEEE80211_CHAN_HT;
1113 c->ic_flags |= IEEE80211_CHAN_HT40D;
1114 }
1115
1116 for (i = 149; i <= 165; i += 4)
1117 {
1118 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1119
1120 /* find the center channel */
1121
1122 cent = ieee80211_find_channel_byieee(ic, i,
1123 flags & ~IEEE80211_CHAN_HT);
1124 if (cent == NULL)
1125 {
1126 printf("%s: skip channel %d, could not find center channel\n",
1127 device_get_nameunit(sc->dev), i);
1128 continue;
1129 }
1130
1131 /* find the extension channel */
1132
1133 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1134 flags & ~IEEE80211_CHAN_HT);
1135 if (ext == NULL)
1136 {
1137 printf("%s: skip channel %d, could not find extension channel\n",
1138 device_get_nameunit(sc->dev), i);
1139 continue;
1140 }
1141
1142 c = &ic->ic_channels[ic->ic_nchans++];
1143
1144 *c = *cent;
1145 c->ic_extieee = ext->ic_ieee;
1146 c->ic_flags &= ~IEEE80211_CHAN_HT;
1147 c->ic_flags |= IEEE80211_CHAN_HT40U;
1148
1149 c = &ic->ic_channels[ic->ic_nchans++];
1150
1151 *c = *ext;
1152 c->ic_extieee = cent->ic_ieee;
1153 c->ic_flags &= ~IEEE80211_CHAN_HT;
1154 c->ic_flags |= IEEE80211_CHAN_HT40D;
1155 }
1156 }
1157 }
1158
1159 /*
1160 * rt2870_init_locked
1161 */
1162 static void rt2870_init_locked(void *priv)
1163 {
1164 struct rt2870_softc *sc;
1165 struct ieee80211com *ic;
1166 struct ifnet *ifp;
1167 struct rt2870_softc_rx_data *data;
1168 int ntries, error, i;
1169 uint32_t tmp, stacnt[6];
1170
1171 sc = priv;
1172 ic = &sc->ic;
1173 ifp = ic->ic_ifp;
1174
1175 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1176 "%s: initializing\n",
1177 device_get_nameunit(sc->dev));
1178
1179 if (!(sc->flags & RT2870_SOFTC_FLAGS_UCODE_LOADED))
1180 {
1181 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1182 "%s: loading 8051 microcode\n",
1183 device_get_nameunit(sc->dev));
1184
1185 error = rt2870_io_mcu_load_ucode(sc, rt2870_ucode, sizeof(rt2870_ucode));
1186 if (error != 0)
1187 {
1188 printf("%s: could not load 8051 microcode\n",
1189 device_get_nameunit(sc->dev));
1190 goto fail;
1191 }
1192
1193 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1194 "%s: 8051 microcode was successfully loaded\n",
1195 device_get_nameunit(sc->dev));
1196
1197 sc->flags |= RT2870_SOFTC_FLAGS_UCODE_LOADED;
1198 }
1199
1200 /* wait while DMA engine is busy */
1201
1202 for (ntries = 0; ntries < 100; ntries++)
1203 {
1204 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
1205 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
1206 break;
1207
1208 DELAY(1000);
1209 }
1210
1211 if (ntries == 100)
1212 {
1213 printf("%s: timeout waiting for DMA engine\n",
1214 device_get_nameunit(sc->dev));
1215 goto fail;
1216 }
1217
1218 tmp &= 0xff0;
1219 tmp |= RT2870_REG_TX_WB_DDONE;
1220
1221 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1222
1223 /* PBF hardware reset */
1224
1225 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_SYS_CTRL);
1226
1227 tmp &= ~(1 << 13);
1228
1229 rt2870_io_mac_write(sc, RT2870_REG_PBF_SYS_CTRL, tmp);
1230
1231 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1232 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1233
1234 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1235
1236 rt2870_io_mcu_reset(sc);
1237
1238 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1239
1240 /* init Tx power per rate */
1241
1242 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
1243 {
1244 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1245 continue;
1246
1247 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i),
1248 sc->txpow_rate_20mhz[i]);
1249 }
1250
1251 for (i = 0; i < RT2870_DEF_MAC_SIZE; i++)
1252 rt2870_io_mac_write(sc, rt2870_def_mac[i].reg,
1253 rt2870_def_mac[i].val);
1254
1255 /* wait while MAC is busy */
1256
1257 for (ntries = 0; ntries < 100; ntries++)
1258 {
1259 if (!(rt2870_io_mac_read(sc, RT2870_REG_STATUS_CFG) &
1260 (RT2870_REG_STATUS_TX_BUSY | RT2870_REG_STATUS_RX_BUSY)))
1261 break;
1262
1263 DELAY(1000);
1264 }
1265
1266 if (ntries == 100)
1267 {
1268 printf("%s: timeout waiting for MAC\n",
1269 device_get_nameunit(sc->dev));
1270 goto fail;
1271 }
1272
1273 /* clear Host to MCU mailbox */
1274
1275 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX_BBP_AGENT, 0);
1276 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX, 0);
1277
1278 DELAY(1000);
1279
1280 error = rt2870_init_bbp(sc);
1281 if (error != 0)
1282 goto fail;
1283
1284 /* set up maximum buffer sizes */
1285
1286 tmp = (1 << 12) | RT2870_MAX_AGG_SIZE;
1287
1288 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1289 {
1290 tmp &= 0xfff;
1291 tmp |= 0x2000;
1292 }
1293
1294 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1295
1296 /* set mac address */
1297
1298 IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp));
1299
1300 rt2870_asic_set_macaddr(sc, ic->ic_myaddr);
1301
1302 /* clear statistic registers */
1303
1304 rt2870_io_mac_read_multi(sc, RT2870_REG_RX_STA_CNT0,
1305 stacnt, sizeof(stacnt));
1306
1307 /* send LEDs operating mode to microcontroller */
1308
1309 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED1,
1310 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1311 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED2,
1312 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1313 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED3,
1314 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1315
1316 /* write vendor-specific BBP values (from EEPROM) */
1317
1318 for (i = 0; i < RT2870_SOFTC_BBP_EEPROM_COUNT; i++)
1319 {
1320 if (sc->bbp_eeprom[i].reg == 0x00 ||
1321 sc->bbp_eeprom[i].reg == 0xff)
1322 continue;
1323
1324 rt2870_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1325 sc->bbp_eeprom[i].val);
1326 }
1327
1328 /* disable non-existing Rx chains */
1329
1330 tmp = rt2870_io_bbp_read(sc, 3);
1331
1332 tmp &= ~((1 << 4) | (1 << 3));
1333
1334 if (sc->nrxpath == 3)
1335 tmp |= (1 << 4);
1336 else if (sc->nrxpath == 2)
1337 tmp |= (1 << 3);
1338
1339 rt2870_io_bbp_write(sc, 3, tmp);
1340
1341 /* disable non-existing Tx chains */
1342
1343 tmp = rt2870_io_bbp_read(sc, 1);
1344
1345 tmp &= ~((1 << 4) | (1 << 3));
1346
1347 if (sc->ntxpath == 2)
1348 tmp |= (1 << 4);
1349
1350 rt2870_io_bbp_write(sc, 1, tmp);
1351
1352 /* set current channel */
1353
1354 rt2870_rf_set_chan(sc, ic->ic_curchan);
1355
1356 /* turn radio LED on */
1357
1358 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON);
1359
1360 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_BOOT,
1361 RT2870_REG_H2M_TOKEN_NO_INTR, 0);
1362
1363 /* set RTS threshold */
1364
1365 rt2870_asic_update_rtsthreshold(sc);
1366
1367 /* set Tx power */
1368
1369 rt2870_asic_update_txpower(sc);
1370
1371 /* set up protection mode */
1372
1373 rt2870_asic_updateprot(sc);
1374
1375 /* clear key tables */
1376
1377 rt2870_asic_clear_keytables(sc);
1378
1379 /* enable Tx/Rx DMA engine */
1380
1381 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_USB_CYC_CFG);
1382
1383 tmp &= 0xffffff00;
1384 tmp |= 0x1e;
1385
1386 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_CYC_CFG, tmp);
1387
1388 if ((sc->mac_rev & 0xffff) != 0x0101)
1389 rt2870_io_mac_write(sc, RT2870_REG_TX_TXOP_CTRL_CFG, 0x583f);
1390
1391 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, RT2870_REG_TX_ENABLE);
1392
1393 for (ntries = 0; ntries < 200; ntries++)
1394 {
1395 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
1396 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
1397 break;
1398
1399 DELAY(1000);
1400 }
1401
1402 if (ntries == 200)
1403 {
1404 printf("%s: timeout waiting for DMA engine\n",
1405 device_get_nameunit(sc->dev));
1406 goto fail;
1407 }
1408
1409 DELAY(50);
1410
1411 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1412 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
1413 (48 << 16) | 96);
1414
1415 tmp |= RT2870_REG_TX_WB_DDONE |
1416 RT2870_REG_RX_DMA_ENABLE |
1417 RT2870_REG_TX_DMA_ENABLE;
1418
1419 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1420
1421 tmp = RT2870_REG_USB_DMA_TX_ENABLE |
1422 RT2870_REG_USB_DMA_RX_ENABLE |
1423 RT2870_REG_USB_DMA_RX_AGG_ENABLE |
1424 /* Rx agg limit in unit of 1024 byte */
1425 ((RT2870_USB_RX_BULK_BUFLEN / 1024 - 3) << RT2870_REG_USB_DMA_RX_AGG_LIMIT_SHIFT) |
1426 /* Rx agg timeout in unit of 33ns */
1427 0x80;
1428
1429 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, tmp);
1430
1431 /* set Rx filter */
1432
1433 tmp = RT2870_REG_RX_FILTER_DROP_CRC_ERR |
1434 RT2870_REG_RX_FILTER_DROP_PHY_ERR;
1435
1436 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1437 {
1438 tmp |= RT2870_REG_RX_FILTER_DROP_DUPL |
1439 RT2870_REG_RX_FILTER_DROP_CTS |
1440 RT2870_REG_RX_FILTER_DROP_BA |
1441 RT2870_REG_RX_FILTER_DROP_ACK |
1442 RT2870_REG_RX_FILTER_DROP_VER_ERR |
1443 RT2870_REG_RX_FILTER_DROP_CTRL_RSV |
1444 RT2870_REG_RX_FILTER_DROP_CFACK |
1445 RT2870_REG_RX_FILTER_DROP_CFEND;
1446
1447 if (ic->ic_opmode == IEEE80211_M_STA)
1448 tmp |= RT2870_REG_RX_FILTER_DROP_RTS |
1449 RT2870_REG_RX_FILTER_DROP_PSPOLL;
1450
1451 if (!(ifp->if_flags & IFF_PROMISC))
1452 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
1453 }
1454
1455 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
1456
1457 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1458 RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
1459
1460 /* clear garbage interrupts */
1461
1462 tmp = rt2870_io_mac_read(sc, 0x1300);
1463
1464 taskqueue_unblock(sc->taskqueue);
1465
1466 /* init Tx and Rx rings */
1467
1468 for(i = 0; i < sc->usb_endpoints - 1; i++)
1469 rt2870_reset_tx_ring(sc, &sc->tx_ring[i]);
1470
1471 rt2870_reset_rx_ring(sc, &sc->rx_ring);
1472
1473 rt2870_reset_cmd_ring(sc, &sc->cmd_ring);
1474
1475 /* start up the receive pipe */
1476
1477 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
1478 {
1479 data = &sc->rx_ring.data[i];
1480
1481 STAILQ_INSERT_TAIL(&sc->rx_ring.active, data, next);
1482
1483 usbd_setup_xfer(data->xfer, sc->rx_ring.usb_pipe, sc, data->buf,
1484 RT2870_USB_RX_BULK_BUFLEN, USBD_SHORT_XFER_OK | USBD_NO_COPY,
1485 USBD_NO_TIMEOUT, rt2870_rx_intr);
1486
1487 usbd_transfer(data->xfer);
1488 }
1489
1490 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1491 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1492
1493 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1494 {
1495 if (ic->ic_roaming != IEEE80211_ROAMING_MANUAL)
1496 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
1497 }
1498 else
1499 {
1500 ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
1501 }
1502
1503 sc->periodic_round = 0;
1504
1505 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
1506
1507 return;
1508
1509 fail:
1510
1511 rt2870_stop_locked(sc);
1512 }
1513
1514 /*
1515 * rt2870_init
1516 */
1517 static void rt2870_init(void *priv)
1518 {
1519 struct rt2870_softc *sc;
1520
1521 sc = priv;
1522
1523 rt2870_init_locked(sc);
1524 }
1525
1526 /*
1527 * rt2870_init_bbp
1528 */
1529 static int rt2870_init_bbp(struct rt2870_softc *sc)
1530 {
1531 int ntries, i;
1532 uint8_t tmp;
1533
1534 for (ntries = 0; ntries < 20; ntries++)
1535 {
1536 tmp = rt2870_io_bbp_read(sc, 0);
1537 if (tmp != 0x00 && tmp != 0xff)
1538 break;
1539 }
1540
1541 if (tmp == 0x00 || tmp == 0xff)
1542 {
1543 printf("%s: timeout waiting for BBP to wakeup\n",
1544 device_get_nameunit(sc->dev));
1545 return ETIMEDOUT;
1546 }
1547
1548 for (i = 0; i < RT2870_DEF_BBP_SIZE; i++)
1549 rt2870_io_bbp_write(sc, rt2870_def_bbp[i].reg,
1550 rt2870_def_bbp[i].val);
1551
1552 if ((sc->mac_rev & 0xffff) != 0x0101)
1553 rt2870_io_bbp_write(sc, 84, 0x19);
1554
1555 return 0;
1556 }
1557
1558 /*
1559 * rt2870_stop
1560 */
1561 static void rt2870_stop_locked(void *priv)
1562 {
1563 struct rt2870_softc *sc;
1564 struct ieee80211com *ic;
1565 struct ifnet *ifp;
1566 uint32_t tmp;
1567 int i;
1568
1569 sc = priv;
1570 ic = &sc->ic;
1571 ifp = ic->ic_ifp;
1572
1573 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1574 "%s: stopping\n",
1575 device_get_nameunit(sc->dev));
1576
1577 sc->tx_timer = 0;
1578
1579 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1580 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
1581
1582 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1583
1584 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
1585
1586 callout_stop(&sc->periodic_ch);
1587 callout_stop(&sc->tx_watchdog_ch);
1588
1589 taskqueue_block(sc->taskqueue);
1590
1591 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1592 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1593 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1594 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
1595
1596 /* clear key tables */
1597
1598 rt2870_asic_clear_keytables(sc);
1599
1600 /* disable Tx/Rx */
1601
1602 tmp = rt2870_io_mac_read(sc, RT2870_REG_SYS_CTRL);
1603
1604 tmp &= ~(RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
1605
1606 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, tmp);
1607
1608 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1609
1610 /* reset adapter */
1611
1612 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1613 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1614 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1615
1616 /* abort any pending transfers */
1617
1618 if (sc->rx_ring.usb_pipe != NULL)
1619 usbd_abort_pipe(sc->rx_ring.usb_pipe);
1620
1621 for (i = 0; i < sc->usb_endpoints - 1; i++)
1622 if (sc->tx_ring[i].usb_pipe != NULL)
1623 usbd_abort_pipe(sc->tx_ring[i].usb_pipe);
1624 }
1625
1626 /*
1627 * rt2870_stop
1628 */
1629 static void rt2870_stop(void *priv)
1630 {
1631 struct rt2870_softc *sc;
1632
1633 sc = priv;
1634
1635 rt2870_stop_locked(sc);
1636 }
1637
1638 /*
1639 * rt2870_start
1640 */
1641 static void rt2870_start(struct ifnet *ifp)
1642 {
1643 struct rt2870_softc *sc;
1644 struct ieee80211com *ic;
1645 struct ieee80211_node *ni;
1646 struct ether_header *eh;
1647 struct mbuf *m;
1648 int qid;
1649
1650 sc = ifp->if_softc;
1651 ic = &sc->ic;
1652
1653 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1654 return;
1655
1656 for (;;)
1657 {
1658 IF_POLL(&ic->ic_mgtq, m);
1659 if (m != NULL)
1660 {
1661 if (sc->tx_ring[sc->tx_ring_mgtqid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1662 {
1663 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1664 "%s: if_start: Tx ring with qid=%d is full\n",
1665 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
1666
1667 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1668
1669 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
1670
1671 break;
1672 }
1673
1674 IF_DEQUEUE(&ic->ic_mgtq, m);
1675
1676 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1677 m->m_pkthdr.rcvif = NULL;
1678
1679 if (bpf_peers_present(ic->ic_rawbpf))
1680 bpf_mtap(ic->ic_rawbpf, m);
1681
1682 if (rt2870_tx_frame(sc, m, ni, sc->tx_ring_mgtqid) != 0)
1683 break;
1684 }
1685 else
1686 {
1687 if (ic->ic_state != IEEE80211_S_RUN)
1688 break;
1689
1690 IF_POLL(&ifp->if_snd, m);
1691 if (m == NULL)
1692 break;
1693
1694 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1695
1696 if (ic->ic_flags & IEEE80211_F_SCAN)
1697 ieee80211_cancel_scan(ic);
1698
1699 if (m->m_len < sizeof(struct ether_header) &&
1700 !(m = m_pullup(m, sizeof (struct ether_header))))
1701 continue;
1702
1703 eh = mtod(m, struct ether_header *);
1704
1705 ni = ieee80211_find_txnode(ic, eh->ether_dhost);
1706 if (ni == NULL)
1707 {
1708 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1709 "%s: if_start: could not find Tx node\n",
1710 device_get_nameunit(sc->dev));
1711
1712 m_freem(m);
1713
1714 continue;
1715 }
1716
1717 ieee80211_classify(ic, m, ni);
1718
1719 qid = M_WME_GETAC(m);
1720
1721 if (sc->tx_ring[qid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1722 {
1723 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1724 "%s: if_start: Tx ring with qid=%d is full\n",
1725 device_get_nameunit(sc->dev), qid);
1726
1727 m_freem(m);
1728 ieee80211_free_node(ni);
1729
1730 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1731 ifp->if_oerrors++;
1732
1733 sc->tx_data_queue_full[qid]++;
1734
1735 break;
1736 }
1737
1738 BPF_MTAP(ifp, m);
1739
1740 m = ieee80211_encap(ic, m, ni);
1741 if (m == NULL)
1742 {
1743 ieee80211_free_node(ni);
1744
1745 ifp->if_oerrors++;
1746
1747 continue;
1748 }
1749
1750 if (bpf_peers_present(ic->ic_rawbpf))
1751 bpf_mtap(ic->ic_rawbpf, m);
1752
1753 if (rt2870_tx_frame(sc, m, ni, qid) != 0)
1754 {
1755 ieee80211_free_node(ni);
1756
1757 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1758 ifp->if_oerrors++;
1759
1760 break;
1761 }
1762 }
1763
1764 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
1765
1766 ic->ic_lastdata = ticks;
1767
1768 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
1769 }
1770 }
1771
1772 /*
1773 * rt2870_ioctl
1774 */
1775 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1776 {
1777 struct rt2870_softc *sc;
1778 struct ieee80211com *ic;
1779 int error;
1780
1781 sc = ifp->if_softc;
1782 ic = &sc->ic;
1783
1784 error = 0;
1785
1786 switch (cmd)
1787 {
1788 case SIOCSIFFLAGS:
1789 if (ifp->if_flags & IFF_UP)
1790 {
1791 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1792 {
1793 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1794 rt2870_asic_update_promisc(sc);
1795 }
1796 else
1797 {
1798 rt2870_init_locked(sc);
1799 }
1800 }
1801 else
1802 {
1803 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1804 rt2870_stop_locked(sc);
1805 }
1806
1807 sc->if_flags = ifp->if_flags;
1808 break;
1809
1810 default:
1811 error = ieee80211_ioctl(ic, cmd, data);
1812 }
1813
1814 if (error == ENETRESET)
1815 {
1816 if ((ifp->if_flags & IFF_UP) &&
1817 (ifp->if_drv_flags & IFF_DRV_RUNNING) &&
1818 (ic->ic_roaming != IEEE80211_ROAMING_MANUAL))
1819 {
1820 rt2870_stop_locked(sc);
1821 rt2870_init_locked(sc);
1822 }
1823
1824 error = 0;
1825 }
1826
1827 return error;
1828 }
1829
1830 /*
1831 * rt2870_reset
1832 */
1833 static int rt2870_reset(struct ifnet *ifp)
1834 {
1835 struct rt2870_softc *sc;
1836 struct ieee80211com *ic;
1837
1838 sc = ifp->if_softc;
1839 ic = &sc->ic;
1840
1841 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1842 return ENETRESET;
1843
1844 rt2870_rf_set_chan(sc, ic->ic_curchan);
1845
1846 return 0;
1847 }
1848
1849 /*
1850 * rt2870_newstate
1851 */
1852 static int rt2870_newstate(struct ieee80211com *ic,
1853 enum ieee80211_state nstate, int arg)
1854 {
1855 struct rt2870_softc *sc;
1856 struct ifnet *ifp;
1857 struct rt2870_cmd_argv_newstate cmd_argv;
1858
1859 ifp = ic->ic_ifp;
1860 sc = ifp->if_softc;
1861
1862 cmd_argv.nstate = nstate;
1863 cmd_argv.arg = arg;
1864
1865 rt2870_do_async(sc, rt2870_newstate_cb, &cmd_argv,
1866 sizeof(struct rt2870_cmd_argv_newstate));
1867
1868 return 0;
1869 }
1870
1871 /*
1872 * rt2870_scan_start
1873 */
1874 static void rt2870_scan_start(struct ieee80211com *ic)
1875 {
1876 struct rt2870_softc *sc;
1877 struct ifnet *ifp;
1878
1879 ifp = ic->ic_ifp;
1880 sc = ifp->if_softc;
1881
1882 rt2870_do_async(sc, rt2870_scan_start_cb, NULL, 0);
1883 }
1884
1885 /*
1886 * rt2870_scan_end
1887 */
1888 static void rt2870_scan_end(struct ieee80211com *ic)
1889 {
1890 struct rt2870_softc *sc;
1891 struct ifnet *ifp;
1892
1893 ifp = ic->ic_ifp;
1894 sc = ifp->if_softc;
1895
1896 rt2870_do_async(sc, rt2870_scan_end_cb, NULL, 0);
1897 }
1898
1899 /*
1900 * rt2870_set_channel
1901 */
1902 static void rt2870_set_channel(struct ieee80211com *ic)
1903 {
1904 struct rt2870_softc *sc;
1905 struct ifnet *ifp;
1906
1907 ifp = ic->ic_ifp;
1908 sc = ifp->if_softc;
1909
1910 rt2870_do_async(sc, rt2870_set_channel_cb, NULL, 0);
1911 }
1912
1913 /*
1914 * rt2870_newassoc
1915 */
1916 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew)
1917 {
1918 struct rt2870_softc *sc;
1919 struct ieee80211com *ic;
1920 struct ifnet *ifp;
1921 struct rt2870_cmd_argv_newassoc cmd_argv;
1922
1923 ic = ni->ni_ic;
1924 ifp = ic->ic_ifp;
1925 sc = ifp->if_softc;
1926
1927 cmd_argv.associd = (ni != NULL) ? ni->ni_associd : 0;
1928 cmd_argv.isnew = isnew;
1929 memcpy(cmd_argv.macaddr, ni->ni_macaddr, IEEE80211_ADDR_LEN);
1930
1931 rt2870_do_async(sc, rt2870_newassoc_cb, &cmd_argv,
1932 sizeof(struct rt2870_cmd_argv_newassoc));
1933 }
1934
1935 /*
1936 * rt2870_updateslot
1937 */
1938 static void rt2870_updateslot(struct ifnet *ifp)
1939 {
1940 struct rt2870_softc *sc;
1941
1942 sc = ifp->if_softc;
1943
1944 rt2870_do_async(sc, rt2870_updateslot_cb, NULL, 0);
1945 }
1946
1947 /*
1948 * rt2870_wme_update
1949 */
1950 static int rt2870_wme_update(struct ieee80211com *ic)
1951 {
1952 struct rt2870_softc *sc;
1953 struct ifnet *ifp;
1954
1955 ifp = ic->ic_ifp;
1956 sc = ifp->if_softc;
1957
1958 rt2870_do_async(sc, rt2870_wme_update_cb, NULL, 0);
1959
1960 return 0;
1961 }
1962
1963 /*
1964 * rt2870_update_beacon
1965 */
1966 static void rt2870_update_beacon(struct ieee80211com *ic, int what)
1967 {
1968 struct rt2870_softc *sc;
1969 struct ifnet *ifp;
1970 struct rt2870_cmd_argv_updatebeacon cmd_argv;
1971
1972 ifp = ic->ic_ifp;
1973 sc = ifp->if_softc;
1974
1975 cmd_argv.what = what;
1976
1977 rt2870_do_async(sc, rt2870_update_beacon_cb, &cmd_argv,
1978 sizeof(struct rt2870_cmd_argv_updatebeacon));
1979 }
1980
1981 /*
1982 * rt2870_key_update_begin
1983 */
1984 static void rt2870_key_update_begin(struct ieee80211com *ic)
1985 {
1986 struct rt2870_softc *sc;
1987 struct ifnet *ifp;
1988
1989 ifp = ic->ic_ifp;
1990 sc = ifp->if_softc;
1991
1992 rt2870_do_async(sc, rt2870_key_update_begin_cb, NULL, 0);
1993 }
1994
1995 /*
1996 * rt2870_key_update_end
1997 */
1998 static void rt2870_key_update_end(struct ieee80211com *ic)
1999 {
2000 struct rt2870_softc *sc;
2001 struct ifnet *ifp;
2002
2003 ifp = ic->ic_ifp;
2004 sc = ifp->if_softc;
2005
2006 rt2870_do_async(sc, rt2870_key_update_end_cb, NULL, 0);
2007 }
2008
2009 /*
2010 * rt2870_key_set
2011 */
2012 static int rt2870_key_set(struct ieee80211com *ic,
2013 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2014 {
2015 struct rt2870_softc *sc;
2016 struct ifnet *ifp;
2017 struct ieee80211_node *ni;
2018 struct rt2870_cmd_argv_keyset cmd_argv;
2019
2020 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2021 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2022 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2023 return EINVAL;
2024
2025 ifp = ic->ic_ifp;
2026 sc = ifp->if_softc;
2027
2028 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2029 ni = ic->ic_bss;
2030 else
2031 ni = ieee80211_find_node(&ic->ic_sta, mac);
2032
2033 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2034 cmd_argv.associd = (ni != NULL) ? ni->ni_associd : 0;
2035
2036 if ((ic->ic_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2037 ieee80211_free_node(ni);
2038
2039 rt2870_do_async(sc, rt2870_key_set_cb, &cmd_argv,
2040 sizeof(struct rt2870_cmd_argv_keyset));
2041
2042 return 1;
2043 }
2044
2045 /*
2046 * rt2870_key_delete
2047 */
2048 static int rt2870_key_delete(struct ieee80211com *ic,
2049 const struct ieee80211_key *k)
2050 {
2051 struct rt2870_softc *sc;
2052 struct ifnet *ifp;
2053 struct ieee80211_node *ni;
2054 struct rt2870_cmd_argv_keydelete cmd_argv;
2055
2056 ifp = ic->ic_ifp;
2057 sc = ifp->if_softc;
2058 ni = ic->ic_bss;
2059
2060 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2061 cmd_argv.associd = (ni != NULL) ? ni->ni_associd : 0;
2062
2063 rt2870_do_async(sc, rt2870_key_delete_cb, &cmd_argv,
2064 sizeof(struct rt2870_cmd_argv_keydelete));
2065
2066 return 1;
2067 }
2068
2069 /*
2070 * rt2870_raw_xmit
2071 */
2072 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2073 const struct ieee80211_bpf_params *params)
2074 {
2075 struct ieee80211com *ic;
2076 struct ifnet *ifp;
2077 struct rt2870_softc *sc;
2078
2079 ic = ni->ni_ic;
2080 ifp = ic->ic_ifp;
2081 sc = ifp->if_softc;
2082
2083 return 0;
2084 }
2085
2086 /*
2087 * rt2870_media_change
2088 */
2089 static int rt2870_media_change(struct ifnet *ifp)
2090 {
2091 struct rt2870_softc *sc;
2092 int error;
2093
2094 sc = ifp->if_softc;
2095
2096 error = ieee80211_media_change(ifp);
2097 if (error != ENETRESET)
2098 return error;
2099
2100 if ((ifp->if_flags & IFF_UP) && (ifp->if_drv_flags & IFF_DRV_RUNNING))
2101 {
2102 rt2870_stop(sc);
2103 rt2870_init(sc);
2104 }
2105
2106 return 0;
2107 }
2108
2109 /*
2110 * rt2870_recv_action
2111 */
2112 static void rt2870_recv_action(struct ieee80211_node *ni,
2113 const uint8_t *frm, const uint8_t *efrm)
2114 {
2115 struct rt2870_softc *sc;
2116 struct ieee80211com *ic;
2117 struct ifnet *ifp;
2118 const struct ieee80211_action *ia;
2119 uint16_t associd, baparamset;
2120 uint8_t wcid;
2121 int tid, bufsize;
2122 uint32_t tmp;
2123
2124 ic = ni->ni_ic;
2125 ifp = ic->ic_ifp;
2126 sc = ifp->if_softc;
2127
2128 ia = (const struct ieee80211_action *) frm;
2129
2130 sc->recv_action(ni, frm, efrm);
2131
2132 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2133 return;
2134
2135 associd = (ni != NULL) ? ni->ni_associd : 0;
2136 wcid = RT2870_AID2WCID(associd);
2137
2138 switch (ia->ia_action)
2139 {
2140 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2141 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2142 baparamset = LE_READ_2(frm + 3);
2143 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2144 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2145
2146 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2147 "%s: received ADDBA: associd=0x%04x, tid=%d, bufsize=%d\n",
2148 device_get_nameunit(sc->dev), associd, tid, bufsize);
2149
2150 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2151
2152 tmp |= (0x10000 << tid);
2153
2154 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2155 break;
2156
2157 /* IEEE80211_ACTION_BA_DELBA */
2158 case IEEE80211_ACTION_BA_DELBA:
2159 baparamset = LE_READ_2(frm + 2);
2160 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2161
2162 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2163 "%s: received DELBA: associd=0x%04x, tid=%d\n",
2164 device_get_nameunit(sc->dev), associd, tid);
2165
2166 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2167
2168 tmp &= ~(0x10000 << tid);
2169
2170 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2171 break;
2172 }
2173 }
2174
2175 /*
2176 * rt2870_send_action
2177 */
2178 static int rt2870_send_action(struct ieee80211_node *ni,
2179 int category, int action, uint16_t args[4])
2180 {
2181 struct rt2870_softc *sc;
2182 struct ieee80211com *ic;
2183 struct ifnet *ifp;
2184 uint16_t associd, baparamset;
2185 uint8_t wcid;
2186 int ret, tid;
2187 uint32_t tmp;
2188
2189 ic = ni->ni_ic;
2190 ifp = ic->ic_ifp;
2191 sc = ifp->if_softc;
2192
2193 ret = sc->send_action(ni, category, action, args);
2194
2195 if (category != IEEE80211_ACTION_CAT_BA)
2196 return ret;
2197
2198 associd = (ni != NULL) ? ni->ni_associd : 0;
2199 wcid = RT2870_AID2WCID(associd);
2200
2201 switch (action)
2202 {
2203 /* IEEE80211_ACTION_BA_DELBA */
2204 case IEEE80211_ACTION_BA_DELBA:
2205 baparamset = RT2870_SM(args[0], IEEE80211_DELBAPS_TID) |
2206 RT2870_SM(args[1], IEEE80211_DELBAPS_INIT);
2207
2208 if (RT2870_MS(baparamset, IEEE80211_DELBAPS_INIT) == IEEE80211_DELBAPS_INIT)
2209 break;
2210
2211 tid = RT2870_MS(baparamset, IEEE80211_DELBAPS_TID);
2212
2213 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2214 "%s: sending DELBA: associd=0x%04x, tid=%d\n",
2215 device_get_nameunit(sc->dev), associd, tid);
2216
2217 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2218
2219 tmp &= ~(0x10000 << tid);
2220
2221 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2222 break;
2223 }
2224
2225 return ret;
2226 }
2227
2228 /*
2229 * rt2870_amrr_update_iter_func
2230 */
2231 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2232 {
2233 struct rt2870_softc *sc;
2234 struct ieee80211com *ic;
2235 uint8_t wcid;
2236
2237 sc = arg;
2238 ic = &sc->ic;
2239
2240 /* only associated stations */
2241
2242 if (ni->ni_associd != 0)
2243 {
2244 wcid = RT2870_AID2WCID(ni->ni_associd);
2245
2246 rt2870_amrr_choose(ni, &sc->amrr_node[wcid]);
2247
2248 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2249 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2250 device_get_nameunit(sc->dev),
2251 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2252 ni->ni_associd,
2253 (ni->ni_flags & IEEE80211_NODE_HT) ?
2254 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2255 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2256 (ni->ni_flags & IEEE80211_NODE_HT) ?
2257 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2258 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2259 }
2260 }
2261
2262 /*
2263 * rt2870_periodic
2264 */
2265 static void rt2870_periodic(void *arg)
2266 {
2267 struct rt2870_softc *sc;
2268 struct ifnet *ifp;
2269
2270 sc = arg;
2271 ifp = sc->ifp;
2272
2273 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
2274 "%s: periodic\n",
2275 device_get_nameunit(sc->dev));
2276
2277 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2278 return;
2279
2280 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2281 }
2282
2283 /*
2284 * rt2870_tx_watchdog
2285 */
2286 static void rt2870_tx_watchdog(void *arg)
2287 {
2288 struct rt2870_softc *sc;
2289 struct ifnet *ifp;
2290
2291 sc = arg;
2292 ifp = sc->ifp;
2293
2294 if (sc->tx_timer == 0)
2295 return;
2296
2297 if (--sc->tx_timer == 0)
2298 {
2299 printf("%s: Tx watchdog timeout: resetting\n",
2300 device_get_nameunit(sc->dev));
2301
2302 rt2870_stop_locked(sc);
2303 rt2870_init_locked(sc);
2304
2305 ifp->if_oerrors++;
2306
2307 sc->tx_watchdog_timeouts++;
2308 }
2309
2310 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
2311 }
2312
2313 /*
2314 * rt2870_do_async
2315 */
2316 static int rt2870_do_async(struct rt2870_softc *sc,
2317 void (*cb)(struct rt2870_softc *sc, void *arg),
2318 void *arg, int len)
2319 {
2320 struct ifnet *ifp;
2321 struct rt2870_softc_cmd_ring *ring;
2322 struct rt2870_softc_cmd *cmd;
2323 int run_cmd_task;
2324
2325 ifp = sc->ifp;
2326 ring = &sc->cmd_ring;
2327
2328 RT2870_SOFTC_LOCK(sc);
2329
2330 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2331 {
2332 RT2870_SOFTC_UNLOCK(sc);
2333 return -1;
2334 }
2335
2336 if (ring->queued >= RT2870_SOFTC_CMD_RING_CMD_COUNT)
2337 {
2338 RT2870_SOFTC_UNLOCK(sc);
2339 return -1;
2340 }
2341
2342 cmd = STAILQ_FIRST(&ring->inactive);
2343 STAILQ_REMOVE_HEAD(&ring->inactive, next);
2344
2345 cmd->cb = cb;
2346
2347 if(arg != NULL)
2348 memcpy(cmd->data, arg, len);
2349
2350 STAILQ_INSERT_TAIL(&ring->active, cmd, next);
2351 ring->queued++;
2352
2353 run_cmd_task = (ring->queued == 1);
2354
2355 RT2870_SOFTC_UNLOCK(sc);
2356
2357 if (run_cmd_task)
2358 taskqueue_enqueue(sc->taskqueue, &sc->cmd_task);
2359
2360 return 0;
2361 }
2362
2363 /*
2364 * rt2870_newstate_cb
2365 */
2366 static void rt2870_newstate_cb(struct rt2870_softc *sc, void *arg)
2367 {
2368 struct ieee80211com *ic;
2369 enum ieee80211_state nstate;
2370 struct ieee80211_node *ni;
2371 struct rt2870_cmd_argv_newstate *cmd_argv;
2372 int error;
2373
2374 ic = &sc->ic;
2375 cmd_argv = arg;
2376 nstate = cmd_argv->nstate;
2377
2378 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2379 "%s: newstate: %s -> %s\n",
2380 device_get_nameunit(sc->dev),
2381 ieee80211_state_name[ic->ic_state], ieee80211_state_name[nstate]);
2382
2383 error = sc->newstate(ic, nstate, cmd_argv->arg);
2384 if (error != 0)
2385 return;
2386
2387 /* turn link LED off */
2388
2389 if (nstate != IEEE80211_S_RUN)
2390 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
2391
2392 switch (nstate)
2393 {
2394 case IEEE80211_S_INIT:
2395 rt2870_asic_disable_tsf_sync(sc);
2396 break;
2397
2398 case IEEE80211_S_RUN:
2399 ni = ic->ic_bss;
2400
2401 rt2870_rf_set_chan(sc, ni->ni_chan);
2402
2403 if (ic->ic_opmode != IEEE80211_M_MONITOR)
2404 {
2405 rt2870_asic_enable_mrr(sc);
2406 rt2870_asic_set_txpreamble(sc);
2407 rt2870_asic_set_basicrates(sc);
2408 rt2870_asic_set_bssid(sc, ni->ni_bssid);
2409 }
2410
2411 if (ic->ic_opmode == IEEE80211_M_STA)
2412 rt2870_newassoc(ni, 1);
2413
2414 if (ic->ic_opmode == IEEE80211_M_HOSTAP ||
2415 ic->ic_opmode == IEEE80211_M_IBSS)
2416 {
2417 error = rt2870_asic_update_beacon(sc);
2418 if (error != 0)
2419 break;
2420 }
2421
2422 if (ic->ic_opmode != IEEE80211_M_MONITOR)
2423 rt2870_asic_enable_tsf_sync(sc);
2424
2425 /* turn link LED on */
2426
2427 if (ic->ic_opmode != IEEE80211_M_MONITOR)
2428 {
2429 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON |
2430 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2431 RT2870_LED_CMD_LINK_2GHZ : RT2870_LED_CMD_LINK_5GHZ));
2432 }
2433 break;
2434
2435 default:
2436 break;
2437 }
2438 }
2439
2440 /*
2441 * rt2870_scan_start_cb
2442 */
2443 static void rt2870_scan_start_cb(struct rt2870_softc *sc, void *arg)
2444 {
2445 struct ieee80211com *ic;
2446 struct ifnet *ifp;
2447
2448 ic = &sc->ic;
2449 ifp = ic->ic_ifp;
2450
2451 rt2870_asic_disable_tsf_sync(sc);
2452 }
2453
2454 /*
2455 * rt2870_scan_end_cb
2456 */
2457 static void rt2870_scan_end_cb(struct rt2870_softc *sc, void *arg)
2458 {
2459 struct ieee80211com *ic;
2460 struct ieee80211_node *ni;
2461
2462 ic = &sc->ic;
2463 ni = ic->ic_bss;
2464
2465 rt2870_asic_enable_tsf_sync(sc);
2466 }
2467
2468 /*
2469 * rt2870_set_channel_cb
2470 */
2471 static void rt2870_set_channel_cb(struct rt2870_softc *sc, void *arg)
2472 {
2473 struct ieee80211com *ic;
2474
2475 ic = &sc->ic;
2476
2477 RT2870_DPRINTF(sc, RT2870_DEBUG_CHAN,
2478 "%s: set channel: channel=%u, HT%s%s\n",
2479 device_get_nameunit(sc->dev),
2480 ieee80211_chan2ieee(ic, ic->ic_curchan),
2481 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2482 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2483 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2484 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2485
2486 rt2870_rf_set_chan(sc, ic->ic_curchan);
2487 }
2488
2489 /*
2490 * rt2870_newassoc_cb
2491 */
2492 static void rt2870_newassoc_cb(struct rt2870_softc *sc, void *arg)
2493 {
2494 struct ieee80211com *ic;
2495 struct ieee80211_node *ni;
2496 struct rt2870_cmd_argv_newassoc *cmd_argv;
2497 uint16_t associd;
2498 int isnew;
2499 uint8_t *macaddr, wcid;
2500
2501 ic = &sc->ic;
2502 ni = ic->ic_bss;
2503 cmd_argv = arg;
2504 associd = cmd_argv->associd;
2505 isnew = cmd_argv->isnew;
2506 macaddr = cmd_argv->macaddr;
2507
2508 wcid = RT2870_AID2WCID(associd);
2509
2510 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2511 "%s: new association: wcid=0x%02x, "
2512 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2513 device_get_nameunit(sc->dev), wcid,
2514 ether_sprintf(macaddr),
2515 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2516 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2517 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2518
2519 rt2870_io_mac_write_multi(sc, RT2870_REG_WCID(wcid),
2520 macaddr, IEEE80211_ADDR_LEN);
2521
2522 rt2870_amrr_node_init(&sc->amrr, &sc->amrr_node[wcid], ni);
2523
2524 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2525 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2526 device_get_nameunit(sc->dev),
2527 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2528 ni->ni_associd,
2529 (ni->ni_flags & IEEE80211_NODE_HT) ?
2530 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2531 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2532 (ni->ni_flags & IEEE80211_NODE_HT) ?
2533 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2534 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2535
2536 rt2870_asic_updateprot(sc);
2537 rt2870_asic_updateslot(sc);
2538 rt2870_asic_set_txpreamble(sc);
2539 }
2540
2541 /*
2542 * rt2870_updateslot_cb
2543 */
2544 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg)
2545 {
2546 rt2870_asic_updateslot(sc);
2547 }
2548
2549 /*
2550 * rt2870_wme_update_cb
2551 */
2552 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg)
2553 {
2554 rt2870_asic_wme_update(sc);
2555 }
2556
2557 /*
2558 * rt2870_update_beacon_cb
2559 */
2560 static void rt2870_update_beacon_cb(struct rt2870_softc *sc, void *arg)
2561 {
2562 struct rt2870_cmd_argv_updatebeacon *cmd_argv;
2563
2564 cmd_argv = arg;
2565
2566 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2567 "%s: update beacon\n",
2568 device_get_nameunit(sc->dev));
2569
2570 rt2870_asic_update_beacon(sc);
2571 }
2572
2573 /*
2574 * rt2870_key_update_begin_cb
2575 */
2576 static void rt2870_key_update_begin_cb(struct rt2870_softc *sc, void *arg)
2577 {
2578 struct ifnet *ifp;
2579
2580 ifp = sc->ifp;
2581
2582 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2583 "%s: key update begin\n",
2584 device_get_nameunit(sc->dev));
2585
2586 taskqueue_block(sc->taskqueue);
2587
2588 IF_LOCK(&ifp->if_snd);
2589 }
2590
2591 /*
2592 * rt2870_key_update_end_cb
2593 */
2594 static void rt2870_key_update_end_cb(struct rt2870_softc *sc, void *arg)
2595 {
2596 struct ifnet *ifp;
2597
2598 ifp = sc->ifp;
2599
2600 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2601 "%s: key update end\n",
2602 device_get_nameunit(sc->dev));
2603
2604 IF_UNLOCK(&ifp->if_snd);
2605
2606 taskqueue_unblock(sc->taskqueue);
2607 }
2608
2609 /*
2610 * rt2870_key_set_cb
2611 */
2612 static void rt2870_key_set_cb(struct rt2870_softc *sc, void *arg)
2613 {
2614 struct ieee80211com *ic;
2615 struct ieee80211_key *k;
2616 struct rt2870_cmd_argv_keyset *cmd_argv;
2617 uint16_t associd, key_base, keymode_base;
2618 uint8_t mode, vapid, wcid, iv[8];
2619 uint32_t tmp;
2620
2621 ic = &sc->ic;
2622 cmd_argv = arg;
2623 k = &cmd_argv->key;
2624 associd = cmd_argv->associd;
2625
2626 switch (k->wk_cipher->ic_cipher)
2627 {
2628 case IEEE80211_CIPHER_WEP:
2629 if(k->wk_keylen < 8)
2630 mode = RT2870_REG_CIPHER_MODE_WEP40;
2631 else
2632 mode = RT2870_REG_CIPHER_MODE_WEP104;
2633 break;
2634
2635 case IEEE80211_CIPHER_TKIP:
2636 mode = RT2870_REG_CIPHER_MODE_TKIP;
2637 break;
2638
2639 case IEEE80211_CIPHER_AES_CCM:
2640 mode = RT2870_REG_CIPHER_MODE_AES_CCMP;
2641 break;
2642
2643 default:
2644 return;
2645 }
2646
2647 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2648 "%s: set key: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2649 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2650 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2651
2652 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2653 {
2654 /* install pairwise key */
2655
2656 vapid = 0;
2657 wcid = RT2870_AID2WCID(associd);
2658 key_base = RT2870_REG_PKEY(wcid);
2659
2660 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2661 {
2662 memset(iv, 0, 8);
2663
2664 iv[3] = (k->wk_keyix << 6);
2665 }
2666 else
2667 {
2668 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2669 {
2670 iv[0] = (k->wk_keytsc >> 8);
2671 iv[1] = ((iv[0] | 0x20) & 0x7f);
2672 iv[2] = k->wk_keytsc;
2673 }
2674 else
2675 {
2676 /* AES CCMP */
2677
2678 iv[0] = k->wk_keytsc;
2679 iv[1] = k->wk_keytsc >> 8;
2680 iv[2] = 0;
2681 }
2682
2683 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2684 iv[4] = (k->wk_keytsc >> 16);
2685 iv[5] = (k->wk_keytsc >> 24);
2686 iv[6] = (k->wk_keytsc >> 32);
2687 iv[7] = (k->wk_keytsc >> 40);
2688
2689 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2690 "%s: set key: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2691 device_get_nameunit(sc->dev),
2692 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2693 }
2694
2695 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
2696
2697 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2698 {
2699 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2700
2701 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2702 {
2703 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2704 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2705 }
2706 else
2707 {
2708 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2709 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2710 }
2711 }
2712 else
2713 {
2714 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2715 }
2716
2717 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2718 (mode << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2719
2720 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2721 }
2722
2723 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2724 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2725 {
2726 /* install group key */
2727
2728 vapid = 0;
2729 key_base = RT2870_REG_SKEY(vapid, k->wk_keyix);
2730 keymode_base = RT2870_REG_SKEY_MODE(vapid);
2731
2732 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2733 {
2734 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2735
2736 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2737 {
2738 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2739 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2740 }
2741 else
2742 {
2743 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2744 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2745 }
2746 }
2747 else
2748 {
2749 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2750 }
2751
2752 tmp = rt2870_io_mac_read(sc, keymode_base);
2753
2754 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2755 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2756
2757 rt2870_io_mac_write(sc, keymode_base, tmp);
2758 }
2759 }
2760
2761 /*
2762 * rt2870_key_delete_cb
2763 */
2764 static void rt2870_key_delete_cb(struct rt2870_softc *sc, void *arg)
2765 {
2766 struct ieee80211com *ic;
2767 struct ieee80211_key *k;
2768 struct rt2870_cmd_argv_keydelete *cmd_argv;
2769 uint16_t associd;
2770 uint8_t vapid, wcid;
2771 uint32_t tmp;
2772
2773 ic = &sc->ic;
2774 cmd_argv = arg;
2775 k = &cmd_argv->key;
2776 associd = cmd_argv->associd;
2777
2778 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2779 "%s: delete key: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2780 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2781 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2782
2783 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2784 {
2785 /* remove pairwise key */
2786
2787 vapid = 0;
2788 wcid = RT2870_AID2WCID(associd);
2789
2790 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2791 (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2792
2793 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2794 }
2795 else
2796 {
2797 /* remove group key */
2798
2799 vapid = 0;
2800
2801 tmp = rt2870_io_mac_read(sc, RT2870_REG_SKEY_MODE(vapid));
2802
2803 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2804 tmp |= (RT2870_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2805
2806 rt2870_io_mac_write(sc, RT2870_REG_SKEY_MODE(vapid), tmp);
2807 }
2808 }
2809
2810 /*
2811 * rt2870_asic_set_bssid
2812 */
2813 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
2814 const uint8_t *bssid)
2815 {
2816 uint32_t tmp;
2817
2818 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2819 "%s: set bssid: bssid=%s\n",
2820 device_get_nameunit(sc->dev), ether_sprintf(bssid));
2821
2822 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2823
2824 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW0, tmp);
2825
2826 tmp = bssid[4] | (bssid[5] << 8);
2827
2828 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW1, tmp);
2829 }
2830
2831 /*
2832 * rt2870_asic_set_macaddr
2833 */
2834 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
2835 const uint8_t *addr)
2836 {
2837 uint32_t tmp;
2838
2839 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2840
2841 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW0, tmp);
2842
2843 tmp = addr[4] | (addr[5] << 8);
2844
2845 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW1, tmp);
2846 }
2847
2848 /*
2849 * rt2870_asic_enable_tsf_sync
2850 */
2851 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc)
2852 {
2853 struct ieee80211com *ic;
2854 uint32_t tmp;
2855
2856 ic = &sc->ic;
2857
2858 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2859 "%s: enabling TSF\n",
2860 device_get_nameunit(sc->dev));
2861
2862 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
2863
2864 tmp &= ~0x1fffff;
2865 tmp |= ic->ic_bss->ni_intval * 16;
2866 tmp |= (RT2870_REG_TSF_TIMER_ENABLE | RT2870_REG_TBTT_TIMER_ENABLE);
2867
2868 if (ic->ic_opmode == IEEE80211_M_STA)
2869 {
2870 tmp |= (RT2870_REG_TSF_SYNC_MODE_STA << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2871 }
2872 else if (ic->ic_opmode == IEEE80211_M_IBSS)
2873 {
2874 tmp |= RT2870_REG_BCN_TX_ENABLE;
2875 tmp |= (RT2870_REG_TSF_SYNC_MODE_IBSS << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2876 }
2877 else if (ic->ic_opmode == IEEE80211_M_HOSTAP)
2878 {
2879 tmp |= RT2870_REG_BCN_TX_ENABLE;
2880 tmp |= (RT2870_REG_TSF_SYNC_MODE_HOSTAP << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2881 }
2882
2883 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
2884 }
2885
2886 /*
2887 * rt2870_asic_disable_tsf_sync
2888 */
2889 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc)
2890 {
2891 uint32_t tmp;
2892
2893 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2894 "%s: disabling TSF\n",
2895 device_get_nameunit(sc->dev));
2896
2897 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
2898
2899 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
2900 RT2870_REG_TSF_TIMER_ENABLE |
2901 RT2870_REG_TBTT_TIMER_ENABLE);
2902
2903 tmp &= ~(RT2870_REG_TSF_SYNC_MODE_MASK << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2904 tmp |= (RT2870_REG_TSF_SYNC_MODE_DISABLE << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2905
2906 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
2907 }
2908
2909 /*
2910 * rt2870_asic_enable_mrr
2911 */
2912 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc)
2913 {
2914 #define CCK(mcs) (mcs)
2915 #define OFDM(mcs) ((1 << 3) | (mcs))
2916 #define HT(mcs) (mcs)
2917
2918 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG0,
2919 (OFDM(6) << 28) | /* 54 -> 48 */
2920 (OFDM(5) << 24) | /* 48 -> 36 */
2921 (OFDM(4) << 20) | /* 36 -> 24 */
2922 (OFDM(3) << 16) | /* 24 -> 18 */
2923 (OFDM(2) << 12) | /* 18 -> 12 */
2924 (OFDM(1) << 8) | /* 12 -> 9 */
2925 (OFDM(0) << 4) | /* 9 -> 6 */
2926 OFDM(0)); /* 6 -> 6 */
2927
2928 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG1,
2929 (CCK(2) << 12) | /* 11 -> 5.5 */
2930 (CCK(1) << 8) | /* 5.5 -> 2 */
2931 (CCK(0) << 4) | /* 2 -> 1 */
2932 CCK(0)); /* 1 -> 1 */
2933
2934 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG0,
2935 (HT(6) << 28) |
2936 (HT(5) << 24) |
2937 (HT(4) << 20) |
2938 (HT(3) << 16) |
2939 (HT(2) << 12) |
2940 (HT(1) << 8) |
2941 (HT(0) << 4) |
2942 HT(0));
2943
2944 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG1,
2945 (HT(14) << 28) |
2946 (HT(13) << 24) |
2947 (HT(12) << 20) |
2948 (HT(11) << 16) |
2949 (HT(10) << 12) |
2950 (HT(9) << 8) |
2951 (HT(8) << 4) |
2952 HT(8));
2953
2954 #undef HT
2955 #undef OFDM
2956 #undef CCK
2957 }
2958
2959 /*
2960 * rt2870_asic_set_txpreamble
2961 */
2962 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc)
2963 {
2964 struct ieee80211com *ic;
2965 uint32_t tmp;
2966
2967 ic = &sc->ic;
2968
2969 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2970 "%s: %s short Tx preamble\n",
2971 device_get_nameunit(sc->dev),
2972 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
2973
2974 tmp = rt2870_io_mac_read(sc, RT2870_REG_AUTO_RSP_CFG);
2975
2976 tmp &= ~RT2870_REG_CCK_SHORT_ENABLE;
2977
2978 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
2979 tmp |= RT2870_REG_CCK_SHORT_ENABLE;
2980
2981 rt2870_io_mac_write(sc, RT2870_REG_AUTO_RSP_CFG, tmp);
2982 }
2983
2984 /*
2985 * rt2870_asic_set_basicrates
2986 */
2987 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc)
2988 {
2989 struct ieee80211com *ic;
2990
2991 ic = &sc->ic;
2992
2993 if (ic->ic_curmode == IEEE80211_MODE_11B)
2994 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x3);
2995 else if (ic->ic_curmode == IEEE80211_MODE_11A)
2996 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x150);
2997 else
2998 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x15f);
2999 }
3000
3001 /*
3002 * rt2870_asic_update_rtsthreshold
3003 */
3004 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc)
3005 {
3006 struct ieee80211com *ic;
3007 uint32_t tmp;
3008 uint16_t threshold;
3009
3010 ic = &sc->ic;
3011
3012 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3013 "%s: updating RTS threshold: %d\n",
3014 device_get_nameunit(sc->dev), ic->ic_rtsthreshold);
3015
3016 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_RTS_CFG);
3017
3018 tmp &= ~(RT2870_REG_TX_RTS_THRESHOLD_MASK << RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3019
3020 threshold = (ic->ic_rtsthreshold < IEEE80211_RTS_MAX) ?
3021 ic->ic_rtsthreshold : 0x1000;
3022
3023 tmp |= ((threshold & RT2870_REG_TX_RTS_THRESHOLD_MASK) <<
3024 RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3025
3026 rt2870_io_mac_write(sc, RT2870_REG_TX_RTS_CFG, tmp);
3027 }
3028
3029 /*
3030 * rt2870_asic_update_txpower
3031 */
3032 static void rt2870_asic_update_txpower(struct rt2870_softc *sc)
3033 {
3034 struct ieee80211com *ic;
3035 uint32_t *txpow_rate;
3036 int8_t delta;
3037 uint8_t val;
3038 uint32_t tmp;
3039 int i;
3040
3041 ic = &sc->ic;
3042
3043 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3044 "%s: updating Tx power: %d\n",
3045 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3046
3047 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3048 {
3049 txpow_rate = sc->txpow_rate_20mhz;
3050 }
3051 else
3052 {
3053 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3054 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3055 else
3056 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3057 }
3058
3059 delta = 0;
3060
3061 val = rt2870_io_bbp_read(sc, 1);
3062 val &= 0xfc;
3063
3064 if (ic->ic_txpowlimit > 90)
3065 {
3066 /* do nothing */
3067 }
3068 else if (ic->ic_txpowlimit > 60)
3069 {
3070 delta -= 1;
3071 }
3072 else if (ic->ic_txpowlimit > 30)
3073 {
3074 delta -= 3;
3075 }
3076 else if (ic->ic_txpowlimit > 15)
3077 {
3078 val |= 0x1;
3079 }
3080 else if (ic->ic_txpowlimit > 9)
3081 {
3082 val |= 0x1;
3083 delta -= 3;
3084 }
3085 else
3086 {
3087 val |= 0x2;
3088 }
3089
3090 rt2870_io_bbp_write(sc, 1, val);
3091
3092 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
3093 {
3094 if (txpow_rate[i] == 0xffffffff)
3095 continue;
3096
3097 tmp = rt2870_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3098
3099 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i), tmp);
3100 }
3101 }
3102
3103 /*
3104 * rt2870_asic_update_promisc
3105 */
3106 static void rt2870_asic_update_promisc(struct rt2870_softc *sc)
3107 {
3108 struct ifnet *ifp;
3109 uint32_t tmp;
3110
3111 ifp = sc->ic.ic_ifp;
3112
3113 printf("%s: %s promiscuous mode\n",
3114 device_get_nameunit(sc->dev),
3115 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3116
3117 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_FILTER_CFG);
3118
3119 tmp &= ~RT2870_REG_RX_FILTER_DROP_UC_NOME;
3120
3121 if (!(ifp->if_flags & IFF_PROMISC))
3122 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
3123
3124 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
3125 }
3126
3127 /*
3128 * rt2870_asic_updateprot
3129 */
3130 static void rt2870_asic_updateprot(struct rt2870_softc *sc)
3131 {
3132 struct ieee80211com *ic;
3133 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3134 uint8_t htopmode;
3135
3136 ic = &sc->ic;
3137
3138 /* CCK frame protection */
3139
3140 cck_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3141 RT2870_REG_TXOP_ALLOW_ALL | RT2870_REG_PROT_CTRL_NONE;
3142
3143 /* set up protection frame phy mode and rate (MCS code) */
3144
3145 if (ic->ic_curmode == IEEE80211_MODE_11A)
3146 cck_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3147 (0 << RT2870_REG_PROT_MCS_SHIFT);
3148 else
3149 cck_prot |= ((RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3150 (3 << RT2870_REG_PROT_MCS_SHIFT));
3151
3152 rt2870_io_mac_write(sc, RT2870_REG_TX_CCK_PROT_CFG, cck_prot);
3153
3154 /* OFDM frame protection */
3155
3156 ofdm_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3157 RT2870_REG_TXOP_ALLOW_ALL;
3158
3159 if (ic->ic_flags & IEEE80211_F_USEPROT)
3160 {
3161 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3162 "%s: updating protection mode: b/g protection mode=%s\n",
3163 device_get_nameunit(sc->dev),
3164 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3165 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3166
3167 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3168 ofdm_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3169 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3170 ofdm_prot |= RT2870_REG_PROT_CTRL_CTS;
3171 else
3172 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3173 }
3174 else
3175 {
3176 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3177 "%s: updating protection mode: b/g protection mode=%s\n",
3178 device_get_nameunit(sc->dev), "none");
3179
3180 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3181 }
3182
3183 rt2870_io_mac_write(sc, RT2870_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3184
3185 /* HT frame protection */
3186
3187 if ((ic->ic_opmode == IEEE80211_M_STA) && (ic->ic_state == IEEE80211_S_RUN))
3188 htopmode = ic->ic_bss->ni_htopmode;
3189 else
3190 htopmode = ic->ic_curhtprotmode;
3191
3192 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3193 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3194 device_get_nameunit(sc->dev),
3195 htopmode & IEEE80211_HTINFO_OPMODE,
3196 (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3197 ((ic->ic_htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3198
3199 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3200 {
3201 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3202 case IEEE80211_HTINFO_OPMODE_HT20PR:
3203 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3204 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3205 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3206 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3207 (4 << RT2870_REG_PROT_MCS_SHIFT);
3208
3209 gf20_prot = mm20_prot;
3210
3211 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3212 RT2870_REG_TXOP_ALLOW_ALL |
3213 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3214 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3215
3216 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
3217 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3218 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
3219 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3220 else
3221 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3222
3223 gf40_prot = mm40_prot;
3224 break;
3225
3226 /* IEEE80211_HTINFO_OPMODE_MIXED */
3227 case IEEE80211_HTINFO_OPMODE_MIXED:
3228 mm20_prot = RT2870_REG_PROT_NAV_SHORT |
3229 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3230 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20;
3231
3232 if (ic->ic_flags & IEEE80211_F_USEPROT)
3233 mm20_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3234 (3 << RT2870_REG_PROT_MCS_SHIFT);
3235 else
3236 mm20_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3237 (4 << RT2870_REG_PROT_MCS_SHIFT);
3238
3239 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
3240 mm20_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3241 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
3242 mm20_prot |= RT2870_REG_PROT_CTRL_CTS;
3243 else
3244 mm20_prot |= RT2870_REG_PROT_CTRL_NONE;
3245
3246 gf20_prot = mm20_prot;
3247
3248 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_TXOP_ALLOW_ALL;
3249
3250 if (ic->ic_flags & IEEE80211_F_USEPROT)
3251 mm40_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3252 (3 << RT2870_REG_PROT_MCS_SHIFT);
3253 else
3254 mm40_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3255 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3256
3257 if (ic->ic_htprotmode == IEEE80211_PROT_RTSCTS)
3258 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3259 else if (ic->ic_htprotmode == IEEE80211_PROT_CTSONLY)
3260 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3261 else
3262 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3263
3264 gf40_prot = mm40_prot;
3265 break;
3266
3267 /*
3268 * IEEE80211_HTINFO_OPMODE_PURE
3269 * IEEE80211_HTINFO_OPMODE_PROTOPT
3270 */
3271 case IEEE80211_HTINFO_OPMODE_PURE:
3272 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3273 default:
3274 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3275 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3276 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3277 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3278 (4 << RT2870_REG_PROT_MCS_SHIFT);
3279
3280 gf20_prot = mm20_prot;
3281
3282 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3283 RT2870_REG_TXOP_ALLOW_ALL |
3284 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3285 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3286
3287 gf40_prot = mm40_prot;
3288 break;
3289 }
3290
3291 rt2870_io_mac_write(sc, RT2870_REG_TX_MM20_PROT_CFG, mm20_prot);
3292 rt2870_io_mac_write(sc, RT2870_REG_TX_MM40_PROT_CFG, mm40_prot);
3293 rt2870_io_mac_write(sc, RT2870_REG_TX_GF20_PROT_CFG, gf20_prot);
3294 rt2870_io_mac_write(sc, RT2870_REG_TX_GF40_PROT_CFG, gf40_prot);
3295 }
3296
3297 /*
3298 * rt2870_asic_updateslot
3299 */
3300 static void rt2870_asic_updateslot(struct rt2870_softc *sc)
3301 {
3302 struct ieee80211com *ic;
3303 uint32_t tmp;
3304
3305 ic = &sc->ic;
3306
3307 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3308 "%s: %s short slot time\n",
3309 device_get_nameunit(sc->dev),
3310 (ic->ic_flags & IEEE80211_F_SHSLOT) ? "enabling" : "disabling");
3311
3312 tmp = rt2870_io_mac_read(sc, RT2870_REG_BKOFF_SLOT_CFG);
3313
3314 tmp &= ~0xff;
3315 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
3316
3317 rt2870_io_mac_write(sc, RT2870_REG_BKOFF_SLOT_CFG, tmp);
3318 }
3319
3320 /*
3321 * rt2870_asic_wme_update
3322 */
3323 static void rt2870_asic_wme_update(struct rt2870_softc *sc)
3324 {
3325 struct ieee80211com *ic;
3326 struct ieee80211_wme_state *wme;
3327 const struct wmeParams *wmep;
3328 int i;
3329
3330 ic = &sc->ic;
3331 wme = &ic->ic_wme;
3332 wmep = wme->wme_chanParams.cap_wmeParams;
3333
3334 RT2870_DPRINTF(sc, RT2870_DEBUG_WME,
3335 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3336 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3337 device_get_nameunit(sc->dev),
3338 wmep[WME_AC_VO].wmep_aifsn,
3339 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3340 wmep[WME_AC_VO].wmep_txopLimit,
3341 wmep[WME_AC_VI].wmep_aifsn,
3342 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3343 wmep[WME_AC_VI].wmep_txopLimit,
3344 wmep[WME_AC_BK].wmep_aifsn,
3345 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3346 wmep[WME_AC_BK].wmep_txopLimit,
3347 wmep[WME_AC_BE].wmep_aifsn,
3348 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3349 wmep[WME_AC_BE].wmep_txopLimit);
3350
3351 for (i = 0; i < WME_NUM_AC; i++)
3352 rt2870_io_mac_write(sc, RT2870_REG_TX_EDCA_AC_CFG(i),
3353 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3354 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3355
3356 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_AIFSN_CFG,
3357 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3358 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3359
3360 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMIN_CFG,
3361 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3362 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3363
3364 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMAX_CFG,
3365 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3366 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3367
3368 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG,
3369 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3370
3371 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
3372 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3373 }
3374
3375 /*
3376 * rt2870_asic_update_beacon
3377 */
3378 static int rt2870_asic_update_beacon(struct rt2870_softc *sc)
3379 {
3380 struct ieee80211com *ic;
3381 struct mbuf *m;
3382 struct rt2870_txwi txwi;
3383 uint8_t rate, mcs;
3384 uint32_t tmp;
3385
3386 ic = &sc->ic;
3387
3388 m = ieee80211_beacon_alloc(ic->ic_bss, &sc->beacon_offsets);
3389 if (m == NULL)
3390 return ENOMEM;
3391
3392 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3393 mcs = rt2870_rate2mcs(rate);
3394
3395 memset(&txwi, 0, sizeof(struct rt2870_txwi));
3396
3397 txwi.wcid = 0xff;
3398 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2870_TXWI_MPDU_LEN_MASK) <<
3399 RT2870_TXWI_MPDU_LEN_SHIFT);
3400 txwi.txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
3401 txwi.mpdu_density_flags |=
3402 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
3403 txwi.bawin_size_xflags |=
3404 (RT2870_TXWI_XFLAGS_NSEQ << RT2870_TXWI_XFLAGS_SHIFT);
3405
3406 if (rate == 2)
3407 {
3408 txwi.phymode_ifs_stbc_shortgi =
3409 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
3410
3411 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3412 mcs |= RT2870_TXWI_MCS_SHOTPRE;
3413 }
3414 else
3415 {
3416 txwi.phymode_ifs_stbc_shortgi =
3417 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
3418 }
3419
3420 txwi.bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
3421 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
3422
3423 /* disable temporarily TSF sync */
3424
3425 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3426
3427 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3428 RT2870_REG_TSF_TIMER_ENABLE |
3429 RT2870_REG_TBTT_TIMER_ENABLE);
3430
3431 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3432
3433 /* write Tx wireless info and beacon frame to on-chip memory */
3434
3435 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0),
3436 &txwi, sizeof(struct rt2870_txwi));
3437
3438 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0) + sizeof(struct rt2870_txwi),
3439 mtod(m, uint8_t *), m->m_pkthdr.len);
3440
3441 /* enable again TSF sync */
3442
3443 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3444
3445 tmp |= (RT2870_REG_BCN_TX_ENABLE |
3446 RT2870_REG_TSF_TIMER_ENABLE |
3447 RT2870_REG_TBTT_TIMER_ENABLE);
3448
3449 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3450
3451 m_freem(m);
3452
3453 return 0;
3454 }
3455
3456 /*
3457 * rt2870_asic_clear_keytables
3458 */
3459 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc)
3460 {
3461 int i;
3462
3463 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3464
3465 for (i = 0; i < 256; i++)
3466 {
3467 rt2870_io_mac_write(sc, RT2870_REG_WCID(i), 0xffffffff);
3468 rt2870_io_mac_write(sc, RT2870_REG_WCID(i) + 4, 0x0000ffff);
3469 }
3470
3471 /* clear WCID attribute table (entries = 256, entry size = 4) */
3472
3473 rt2870_io_mac_set_region_4(sc, RT2870_REG_WCID_ATTR(0), 0, 256);
3474
3475 /* clear IV/EIV table (entries = 256, entry size = 8) */
3476
3477 rt2870_io_mac_set_region_4(sc, RT2870_REG_IVEIV(0), 0, 2 * 256);
3478
3479 /* clear pairwise key table (entries = 256, entry size = 32) */
3480
3481 rt2870_io_mac_set_region_4(sc, RT2870_REG_PKEY(0), 0, 8 * 256);
3482
3483 /* clear shared key table (entries = 32, entry size = 32) */
3484
3485 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY(0, 0), 0, 8 * 32);
3486
3487 /* clear shared key mode (entries = 32, entry size = 2) */
3488
3489 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY_MODE(0), 0, 16);
3490 }
3491
3492 /*
3493 * rt2870_rxrate
3494 */
3495 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi)
3496 {
3497 uint8_t mcs, phymode;
3498 uint8_t rate;
3499
3500 mcs = (rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK;
3501 phymode = (rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3502 RT2870_RXWI_PHYMODE_MASK;
3503
3504 rate = 2;
3505
3506 switch (phymode)
3507 {
3508 case RT2870_RXWI_PHYMODE_CCK:
3509 switch (mcs & ~RT2870_RXWI_MCS_SHOTPRE)
3510 {
3511 case 0: rate = 2; break; /* 1 Mbps */
3512 case 1: rate = 4; break; /* 2 MBps */
3513 case 2: rate = 11; break; /* 5.5 Mbps */
3514 case 3: rate = 22; break; /* 11 Mbps */
3515 }
3516 break;
3517
3518 case RT2870_RXWI_PHYMODE_OFDM:
3519 switch (mcs)
3520 {
3521 case 0: rate = 12; break; /* 6 Mbps */
3522 case 1: rate = 18; break; /* 9 Mbps */
3523 case 2: rate = 24; break; /* 12 Mbps */
3524 case 3: rate = 36; break; /* 18 Mbps */
3525 case 4: rate = 48; break; /* 24 Mbps */
3526 case 5: rate = 72; break; /* 36 Mbps */
3527 case 6: rate = 96; break; /* 48 Mbps */
3528 case 7: rate = 108; break; /* 54 Mbps */
3529 }
3530 break;
3531
3532 case RT2870_RXWI_PHYMODE_HT_MIXED:
3533 case RT2870_RXWI_PHYMODE_HT_GF:
3534 break;
3535 }
3536
3537 return rate;
3538 }
3539
3540 /*
3541 * rt2870_maxrssi_rxpath
3542 */
3543 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
3544 const struct rt2870_rxwi *rxwi)
3545 {
3546 uint8_t rxpath;
3547
3548 rxpath = 0;
3549
3550 if (sc->nrxpath > 1)
3551 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3552 rxpath = 1;
3553
3554 if (sc->nrxpath > 2)
3555 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3556 rxpath = 2;
3557
3558 return rxpath;
3559 }
3560
3561 /*
3562 * rt2870_rssi2dbm
3563 */
3564 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
3565 uint8_t rssi, uint8_t rxpath)
3566 {
3567 struct ieee80211com *ic;
3568 struct ieee80211_channel *c;
3569 int chan;
3570 int8_t rssi_off, lna_gain;
3571
3572 if (rssi == 0)
3573 return -99;
3574
3575 ic = &sc->ic;
3576 c = ic->ic_curchan;
3577 chan = ieee80211_chan2ieee(ic, c);
3578
3579 if (IEEE80211_IS_CHAN_5GHZ(c))
3580 {
3581 rssi_off = sc->rssi_off_5ghz[rxpath];
3582
3583 if (chan <= 64)
3584 lna_gain = sc->lna_gain[1];
3585 else if (chan <= 128)
3586 lna_gain = sc->lna_gain[2];
3587 else
3588 lna_gain = sc->lna_gain[3];
3589 }
3590 else
3591 {
3592 rssi_off = sc->rssi_off_2ghz[rxpath];
3593 lna_gain = sc->lna_gain[0];
3594 }
3595
3596 return (-12 - rssi_off - lna_gain - rssi);
3597 }
3598
3599 /*
3600 * rt2870_rate2mcs
3601 */
3602 static uint8_t rt2870_rate2mcs(uint8_t rate)
3603 {
3604 switch (rate)
3605 {
3606 /* CCK rates */
3607 case 2: return 0;
3608 case 4: return 1;
3609 case 11: return 2;
3610 case 22: return 3;
3611
3612 /* OFDM rates */
3613 case 12: return 0;
3614 case 18: return 1;
3615 case 24: return 2;
3616 case 36: return 3;
3617 case 48: return 4;
3618 case 72: return 5;
3619 case 96: return 6;
3620 case 108: return 7;
3621 }
3622
3623 return 0;
3624 }
3625
3626 /*
3627 * rt2870_ackrate
3628 */
3629 static int rt2870_ackrate(struct ieee80211com *ic, int rate)
3630 {
3631 switch (rate)
3632 {
3633 /* CCK rates */
3634
3635 case 2:
3636 return 2;
3637
3638 case 4:
3639 case 11:
3640 case 22:
3641 return (ic->ic_curmode == IEEE80211_MODE_11B) ? 4 : rate;
3642
3643 /* OFDM rates */
3644
3645 case 12:
3646 case 18:
3647 return 12;
3648
3649 case 24:
3650 case 36:
3651 return 24;
3652
3653 case 48:
3654 case 72:
3655 case 96:
3656 case 108:
3657 return 48;
3658 }
3659
3660 /* default to 1Mbps */
3661 return 2;
3662 }
3663
3664 /*
3665 * rt2870_txtime
3666 */
3667 static uint16_t rt2870_txtime(int len, int rate, uint32_t flags)
3668 {
3669 uint16_t txtime;
3670
3671 if (RT2870_RATE_IS_OFDM(rate))
3672 {
3673 txtime = (8 + 4 * len + 3 + rate - 1) / rate;
3674 txtime = 16 + 4 + 4 * txtime + 6;
3675 }
3676 else
3677 {
3678 txtime = (16 * len + rate - 1) / rate;
3679
3680 if (rate != 2 && (flags & IEEE80211_F_SHPREAMBLE))
3681 txtime += 72 + 24;
3682 else
3683 txtime += 144 + 48;
3684 }
3685
3686 return txtime;
3687 }
3688
3689 /*
3690 * rt2870_rx_frame
3691 */
3692 static void rt2870_rx_frame(struct rt2870_softc *sc,
3693 uint8_t *buf, uint32_t dmalen)
3694 {
3695 struct ieee80211com *ic;
3696 struct ifnet *ifp;
3697 struct ieee80211_frame *wh;
3698 struct ieee80211_node *ni;
3699 struct rt2870_softc_rx_radiotap_header *tap;
3700 struct rt2870_rxwi *rxwi;
3701 struct rt2870_rxinfo *rxinfo;
3702 struct mbuf *m;
3703 uint32_t rxinfo_flags;
3704 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
3705 int8_t rssi_dbm;
3706 int len, ampdu, amsdu;
3707
3708 ic = &sc->ic;
3709 ifp = ic->ic_ifp;
3710
3711 /* get Rx wireless info */
3712
3713 rxwi = (struct rt2870_rxwi *) buf;
3714 len = (le16toh(rxwi->tid_size) >> RT2870_RXWI_SIZE_SHIFT) &
3715 RT2870_RXWI_SIZE_MASK;
3716
3717 if (len > dmalen)
3718 {
3719 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3720 "%s: bad rxwi len: DMA len=%d, rxwi len=%d\n",
3721 device_get_nameunit(sc->dev), dmalen, len);
3722 return;
3723 }
3724
3725 /* get Rx info */
3726
3727 rxinfo = (struct rt2870_rxinfo *) ((caddr_t) rxwi + dmalen);
3728 rxinfo_flags = le32toh(rxinfo->flags);
3729
3730 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3731 "%s: Rx frame: DMA len=%d, len=%d, rxinfo flags=0x%08x\n",
3732 device_get_nameunit(sc->dev), dmalen, len, rxinfo_flags);
3733
3734 /* check for crc errors */
3735
3736 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
3737 {
3738 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3739 "%s: rxinfo: crc error\n",
3740 device_get_nameunit(sc->dev));
3741
3742 ifp->if_ierrors++;
3743
3744 if (!(ifp->if_flags & IFF_PROMISC))
3745 return;
3746 }
3747
3748 wh = (struct ieee80211_frame *) (rxwi + 1);
3749
3750 /* check for L2 padding between IEEE 802.11 frame header and body */
3751
3752 if (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD)
3753 {
3754 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3755 "%s: L2 padding: DMA len=%d, len=%d\n",
3756 device_get_nameunit(sc->dev), dmalen, len);
3757
3758 len += 2;
3759 }
3760
3761 m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
3762 if (m == NULL)
3763 {
3764 sc->rx_mbuf_alloc_errors++;
3765 ifp->if_ierrors++;
3766 return;
3767 }
3768
3769 m->m_pkthdr.rcvif = ifp;
3770 m->m_pkthdr.len = m->m_len = len;
3771
3772 m_copyback(m, 0, len, (caddr_t) wh);
3773
3774 wh = mtod(m, struct ieee80211_frame *);
3775
3776 /* check for cipher errors */
3777
3778 if (rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED)
3779 {
3780 cipher_err = ((rxinfo_flags >> RT2870_RXINFO_FLAGS_CIPHER_ERR_SHIFT) &
3781 RT2870_RXINFO_FLAGS_CIPHER_ERR_MASK);
3782 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_NONE)
3783 {
3784 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3785 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3786
3787 m->m_flags |= M_WEP;
3788 }
3789 else
3790 {
3791 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3792 "%s: rxinfo: cipher error=0x%02x\n",
3793 device_get_nameunit(sc->dev), cipher_err);
3794
3795 ifp->if_ierrors++;
3796
3797 if (!(ifp->if_flags & IFF_PROMISC))
3798 {
3799 m_free(m);
3800 return;
3801 }
3802 }
3803 }
3804 else
3805 {
3806 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3807 {
3808 ifp->if_ierrors++;
3809
3810 if (!(ifp->if_flags & IFF_PROMISC))
3811 {
3812 m_free(m);
3813 return;
3814 }
3815 }
3816 }
3817
3818 /* check for A-MPDU */
3819
3820 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMPDU)
3821 {
3822 m->m_flags |= M_AMPDU;
3823
3824 sc->rx_ampdu++;
3825
3826 ampdu = 1;
3827 }
3828 else
3829 {
3830 ampdu = 0;
3831 }
3832
3833 /* check for A-MSDU */
3834
3835 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMSDU)
3836 {
3837 sc->rx_amsdu++;
3838
3839 amsdu = 1;
3840 }
3841 else
3842 {
3843 amsdu = 0;
3844 }
3845
3846 ant = rt2870_maxrssi_rxpath(sc, rxwi);
3847 rssi = rxwi->rssi[ant];
3848 rssi_dbm = rt2870_rssi2dbm(sc, rssi, ant);
3849 phymode = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3850 RT2870_RXWI_PHYMODE_MASK);
3851 bw = ((rxwi->bw_mcs >> RT2870_RXWI_BW_SHIFT) & RT2870_RXWI_BW_MASK);
3852 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_SHORTGI_SHIFT) &
3853 RT2870_RXWI_SHORTGI_MASK);
3854 mcs = ((rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK);
3855
3856 if (bpf_peers_present(sc->drvbpf))
3857 {
3858 tap = &sc->rxtap;
3859
3860 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
3861 tap->dbm_antsignal = rssi_dbm;
3862 tap->dbm_antnoise = RT2870_NOISE_FLOOR;
3863 tap->antenna = ant;
3864 tap->antsignal = rssi;
3865 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3866 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3867 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3868 tap->chan_maxpow = 0;
3869
3870 if (phymode == RT2870_RXWI_PHYMODE_CCK || phymode == RT2870_RXWI_PHYMODE_OFDM)
3871 tap->rate = rt2870_rxrate(rxwi);
3872 else
3873 tap->rate = mcs | IEEE80211_RATE_MCS;
3874
3875 if (rxwi->bw_mcs & RT2870_RXWI_MCS_SHOTPRE)
3876 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3877
3878 if (shortgi)
3879 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3880
3881 bpf_mtap2(sc->drvbpf, tap, sc->rxtap_len, m);
3882 }
3883
3884 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3885 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
3886 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d\n",
3887 device_get_nameunit(sc->dev),
3888 len, phymode, bw, shortgi, mcs,
3889 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
3890 rxwi->snr[0], rxwi->snr[1],
3891 rxwi->wcid, ampdu, amsdu);
3892
3893 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
3894
3895 ieee80211_input(ic, m, ni, rssi_dbm - RT2870_NOISE_FLOOR, RT2870_NOISE_FLOOR, 0);
3896
3897 ieee80211_free_node(ni);
3898 }
3899
3900 /*
3901 * rt2870_tx_frame
3902 */
3903 static int rt2870_tx_frame(struct rt2870_softc *sc,
3904 struct mbuf *m, struct ieee80211_node *ni, int qid)
3905 {
3906 struct ieee80211com *ic;
3907 struct rt2870_softc_tx_ring *ring;
3908 struct rt2870_softc_tx_data *data;
3909 struct rt2870_txinfo *txinfo;
3910 struct rt2870_txwi *txwi;
3911 struct ieee80211_frame *wh;
3912 struct rt2870_softc_tx_radiotap_header *tap;
3913 u_int hdrsize, hdrspace;
3914 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid;
3915 uint16_t qos, len, dmalen, mpdu_len, dur;
3916 int hasqos, ackrate;
3917
3918 ic = &sc->ic;
3919
3920 ring = &sc->tx_ring[qid];
3921 data = STAILQ_FIRST(&ring->inactive);
3922 STAILQ_REMOVE_HEAD(&ring->inactive, next);
3923 txinfo = (struct rt2870_txinfo *) data->buf;
3924 txwi = (struct rt2870_txwi *) (txinfo + 1);
3925
3926 wh = mtod(m, struct ieee80211_frame *);
3927
3928 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
3929
3930 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
3931 if (hasqos)
3932 {
3933 if (IEEE80211_HAS_ADDR4(wh))
3934 qos = le16toh(*(const uint16_t *)
3935 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
3936 else
3937 qos = le16toh(*(const uint16_t *)
3938 (((struct ieee80211_qosframe *) wh)->i_qos));
3939 }
3940 else
3941 {
3942 qos = 0;
3943 }
3944
3945 if (ni->ni_flags & IEEE80211_NODE_HT)
3946 {
3947 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
3948 rate = 0;
3949 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
3950 rate = ic->ic_fixed_rate;
3951 else
3952 rate = ni->ni_htrates.rs_rates[ni->ni_txrate];
3953 }
3954 else
3955 {
3956 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
3957 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3958 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
3959 rate = ic->ic_fixed_rate;
3960 else
3961 rate = ni->ni_rates.rs_rates[ni->ni_txrate];
3962 }
3963
3964 rate &= IEEE80211_RATE_VAL;
3965
3966 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
3967
3968 /* align end on a 4-bytes boundary */
3969
3970 dmalen = (len + 3) & ~3;
3971
3972 /* fill Tx info */
3973
3974 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
3975
3976 txinfo->len = htole16(dmalen);
3977
3978 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
3979
3980 /* fill Tx wireless info */
3981
3982 if (ni->ni_flags & IEEE80211_NODE_HT)
3983 mcs = rate;
3984 else
3985 mcs = rt2870_rate2mcs(rate);
3986
3987 pid = mcs;
3988
3989 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
3990 RT2870_AID2WCID(ni->ni_associd) : 0xff;
3991
3992 /* calculate MPDU length without padding */
3993
3994 hdrsize = ieee80211_hdrsize(wh);
3995 hdrspace = ieee80211_hdrspace(ic, wh);
3996 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
3997
3998 memset(txwi, 0, sizeof(struct rt2870_txwi));
3999
4000 txwi->wcid = wcid;
4001
4002 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4003 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4004 RT2870_TXWI_MPDU_LEN_SHIFT);
4005
4006 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
4007
4008 shortgi = (ic->ic_flags_ext & (IEEE80211_FEXT_SHORTGI20 | IEEE80211_FEXT_SHORTGI40)) &&
4009 (ni->ni_flags & IEEE80211_NODE_HT);
4010
4011 txwi->phymode_ifs_stbc_shortgi |=
4012 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4013 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4014
4015 if (ni->ni_flags & IEEE80211_NODE_HT)
4016 {
4017 txwi->phymode_ifs_stbc_shortgi |=
4018 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4019 }
4020 else
4021 {
4022 if (!RT2870_RATE_IS_OFDM(rate))
4023 {
4024 txwi->phymode_ifs_stbc_shortgi |=
4025 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4026
4027 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4028 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4029 }
4030 else
4031 {
4032 txwi->phymode_ifs_stbc_shortgi |=
4033 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4034 }
4035 }
4036
4037 if ((ni->ni_flags & IEEE80211_NODE_HT) &&
4038 (ni->ni_htcap & IEEE80211_HTCAP_CHWIDTH40))
4039 bw = RT2870_TXWI_BW_40;
4040 else
4041 bw = RT2870_TXWI_BW_20;
4042
4043 txwi->bw_mcs = ((bw & RT2870_TXWI_BW_MASK) << RT2870_TXWI_BW_SHIFT) |
4044 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4045
4046 if (type != IEEE80211_FC0_TYPE_DATA)
4047 txwi->txop = (RT2870_TXWI_TXOP_BACKOFF << RT2870_TXWI_TXOP_SHIFT);
4048 else
4049 txwi->txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
4050
4051 /* skip ACKs for multicast frames and probe responses */
4052
4053 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4054 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) !=
4055 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) &&
4056 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4057 {
4058 txwi->bawin_size_xflags |=
4059 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4060
4061 if (ni->ni_flags & IEEE80211_NODE_HT)
4062 {
4063 /* preamble + plcp + signal extension */
4064
4065 dur = 16 + 4 + 6;
4066 }
4067 else
4068 {
4069 ackrate = rt2870_ackrate(ic, rate);
4070
4071 dur = rt2870_txtime(RT2870_ACK_SIZE, ackrate, ic->ic_flags) +
4072 sc->sifs;
4073 }
4074
4075 *(uint16_t *) wh->i_dur = htole16(dur);
4076 }
4077
4078 /* ask MAC to insert timestamp into probe responses */
4079
4080 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4081 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4082 txwi->mpdu_density_flags |=
4083 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4084
4085 if (bpf_peers_present(sc->drvbpf))
4086 {
4087 tap = &sc->txtap;
4088
4089 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4090 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4091 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4092 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4093 tap->chan_maxpow = 0;
4094
4095 if (ni->ni_flags & IEEE80211_NODE_HT)
4096 tap->rate = mcs | IEEE80211_RATE_MCS;
4097 else
4098 tap->rate = rate;
4099
4100 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4101 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4102
4103 if (shortgi)
4104 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4105
4106 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4107 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4108
4109 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4110 {
4111 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4112
4113 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
4114
4115 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4116 }
4117 else
4118 {
4119 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
4120 }
4121 }
4122
4123 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4124
4125 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4126 "%s: sending frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4127 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, DMA len=%d\n",
4128 device_get_nameunit(sc->dev),
4129 qid, hdrsize, hdrspace, m->m_pkthdr.len, bw, stbc, shortgi, mcs, wcid, dmalen);
4130
4131 data->m = m;
4132 data->ni = ni;
4133
4134 STAILQ_INSERT_TAIL(&ring->active, data, next);
4135 ring->queued++;
4136
4137 usbd_setup_xfer(data->xfer, ring->usb_pipe, ring, data->buf, len,
4138 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, RT2870_USB_XFER_TIMEOUT, rt2870_tx_intr);
4139
4140 usbd_transfer(data->xfer);
4141
4142 return 0;
4143 }
4144
4145 /*
4146 * rt2870_tx_raw
4147 */
4148 static int rt2870_tx_raw(struct rt2870_softc *sc,
4149 struct mbuf *m, struct ieee80211_node *ni,
4150 const struct ieee80211_bpf_params *params)
4151 {
4152 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4153 "%s: Tx raw\n",
4154 device_get_nameunit(sc->dev));
4155
4156 return 0;
4157 }
4158
4159 /*
4160 * rt2870_rx_intr
4161 */
4162 static void rt2870_rx_intr(usbd_xfer_handle xfer,
4163 usbd_private_handle priv, usbd_status status)
4164 {
4165 struct rt2870_softc *sc;
4166 struct ifnet *ifp;
4167 struct rt2870_softc_rx_ring *ring;
4168 struct rt2870_softc_rx_data *data;
4169 int len;
4170
4171 sc = priv;
4172 ifp = sc->ifp;
4173 ring = &sc->rx_ring;
4174
4175 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4176 return;
4177
4178 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4179 "%s: Rx interrupt: %s\n",
4180 device_get_nameunit(sc->dev), usbd_errstr(status));
4181
4182 sc->interrupts++;
4183 sc->rx_interrupts++;
4184
4185 switch (status)
4186 {
4187 case USBD_NORMAL_COMPLETION:
4188 data = STAILQ_FIRST(&ring->active);
4189 if (data == NULL)
4190 break;
4191
4192 STAILQ_REMOVE_HEAD(&ring->active, next);
4193
4194 KASSERT(data->xfer == xfer,
4195 ("%s: Rx interrupt: invalid USB xfer\n",
4196 device_get_nameunit(sc->dev)));
4197
4198 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL);
4199
4200 data->len = len;
4201
4202 STAILQ_INSERT_TAIL(&ring->done, data, next);
4203
4204 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4205 break;
4206
4207 case USBD_CANCELLED:
4208 case USBD_NOT_STARTED:
4209 break;
4210
4211 default:
4212 if (status == USBD_STALLED)
4213 usbd_clear_endpoint_stall_async(ring->usb_pipe);
4214
4215 data = STAILQ_FIRST(&ring->active);
4216 if (data != NULL)
4217 {
4218 STAILQ_REMOVE_HEAD(&ring->active, next);
4219
4220 STAILQ_INSERT_TAIL(&ring->active, data, next);
4221
4222 usbd_setup_xfer(xfer, ring->usb_pipe, sc, data->buf,
4223 RT2870_USB_RX_BULK_BUFLEN, USBD_SHORT_XFER_OK | USBD_NO_COPY,
4224 USBD_NO_TIMEOUT, rt2870_rx_intr);
4225
4226 usbd_transfer(xfer);
4227 }
4228 break;
4229 }
4230 }
4231
4232 /*
4233 * rt2870_tx_intr
4234 */
4235 static void rt2870_tx_intr(usbd_xfer_handle xfer,
4236 usbd_private_handle priv, usbd_status status)
4237 {
4238 struct rt2870_softc *sc;
4239 struct ifnet *ifp;
4240 struct rt2870_softc_tx_ring *ring;
4241 struct rt2870_softc_tx_data *data;
4242
4243 ring = priv;
4244 sc = ring->sc;
4245 ifp = sc->ifp;
4246
4247 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4248 return;
4249
4250 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4251 "%s: Tx interrupt: %s\n",
4252 device_get_nameunit(sc->dev), usbd_errstr(status));
4253
4254 sc->interrupts++;
4255 sc->tx_interrupts[ring->qid]++;
4256
4257 switch (status)
4258 {
4259 case USBD_NORMAL_COMPLETION:
4260 data = STAILQ_FIRST(&ring->active);
4261 if (data == NULL)
4262 break;
4263
4264 STAILQ_REMOVE_HEAD(&ring->active, next);
4265
4266 STAILQ_INSERT_TAIL(&ring->done, data, next);
4267
4268 sc->tx_qid_pending_mask |= (1 << ring->qid);
4269
4270 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4271 break;
4272
4273 case USBD_CANCELLED:
4274 case USBD_NOT_STARTED:
4275 break;
4276
4277 default:
4278 data = STAILQ_FIRST(&ring->active);
4279 if (data != NULL)
4280 {
4281 STAILQ_REMOVE_HEAD(&ring->active, next);
4282
4283 if (data->m != NULL)
4284 {
4285 m_freem(data->m);
4286 data->m = NULL;
4287 }
4288
4289 if (data->ni != NULL)
4290 {
4291 ieee80211_free_node(data->ni);
4292 data->ni = NULL;
4293 }
4294
4295 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4296
4297 ring->queued--;
4298 }
4299
4300 printf("%s: could not transmit buffer: qid=%d, status=%s\n",
4301 device_get_nameunit(sc->dev), ring->qid, usbd_errstr(status));
4302
4303 ifp->if_oerrors++;
4304 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4305
4306 if (status == USBD_STALLED)
4307 usbd_clear_endpoint_stall_async(ring->usb_pipe);
4308 break;
4309 }
4310 }
4311
4312 /*
4313 * rt2870_rx_done_task
4314 */
4315 static void rt2870_rx_done_task(void *context, int pending)
4316 {
4317 struct rt2870_softc *sc;
4318 struct ifnet *ifp;
4319
4320 sc = context;
4321 ifp = sc->ifp;
4322
4323 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4324 "%s: Rx done task\n",
4325 device_get_nameunit(sc->dev));
4326
4327 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4328 return;
4329
4330 if (rt2870_rx_eof(sc, sc->rx_process_limit) != 0)
4331 {
4332 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4333 "%s: Rx done task: scheduling again\n",
4334 device_get_nameunit(sc->dev));
4335
4336 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4337 }
4338 }
4339
4340 /*
4341 * rt2870_tx_done_task
4342 */
4343 static void rt2870_tx_done_task(void *context, int pending)
4344 {
4345 struct rt2870_softc *sc;
4346 struct ifnet *ifp;
4347 int i;
4348
4349 sc = context;
4350 ifp = sc->ifp;
4351
4352 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4353 "%s: Tx done task\n",
4354 device_get_nameunit(sc->dev));
4355
4356 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4357 return;
4358
4359 for (i = sc->usb_endpoints - 2; i >= 0; i--)
4360 {
4361 if (sc->tx_qid_pending_mask & (1 << i))
4362 {
4363 sc->tx_qid_pending_mask &= ~(1 << i);
4364
4365 rt2870_tx_eof(sc, &sc->tx_ring[i]);
4366 }
4367 }
4368
4369 if (sc->tx_qid_pending_mask != 0)
4370 {
4371 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4372 "%s: Tx done task: scheduling again\n",
4373 device_get_nameunit(sc->dev));
4374
4375 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4376 }
4377
4378 sc->tx_timer = 0;
4379
4380 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4381 }
4382
4383 /*
4384 * rt2870_periodic_task
4385 */
4386 static void rt2870_periodic_task(void *context, int pending)
4387 {
4388 struct rt2870_softc *sc;
4389 struct ifnet *ifp;
4390 struct ieee80211com *ic;
4391
4392 sc = context;
4393 ifp = sc->ifp;
4394 ic = &sc->ic;
4395
4396 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
4397 "%s: periodic task: round=%lu\n",
4398 device_get_nameunit(sc->dev), sc->periodic_round);
4399
4400 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4401 return;
4402
4403 sc->periodic_round++;
4404
4405 rt2870_update_stats(sc);
4406
4407 if ((sc->periodic_round % 10) == 0)
4408 {
4409 rt2870_update_raw_counters(sc);
4410
4411 rt2870_watchdog(sc);
4412
4413 if (ic->ic_opmode == IEEE80211_M_STA)
4414 rt2870_amrr_update_iter_func(sc, ic->ic_bss);
4415 else
4416 ieee80211_iterate_nodes(&ic->ic_sta, rt2870_amrr_update_iter_func, sc);
4417 }
4418
4419 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
4420 }
4421
4422 /*
4423 * rt2870_cmd_task
4424 */
4425 static void rt2870_cmd_task(void *context, int pending)
4426 {
4427 struct rt2870_softc *sc;
4428 struct rt2870_softc_cmd_ring *ring;
4429 struct rt2870_softc_cmd *cmd;
4430
4431 sc = context;
4432 ring = &sc->cmd_ring;
4433
4434 while (1)
4435 {
4436 RT2870_SOFTC_LOCK(sc);
4437
4438 cmd = STAILQ_FIRST(&ring->active);
4439 if (cmd == NULL)
4440 {
4441 RT2870_SOFTC_UNLOCK(sc);
4442 break;
4443 }
4444
4445 STAILQ_REMOVE_HEAD(&ring->active, next);
4446
4447 RT2870_SOFTC_UNLOCK(sc);
4448
4449 cmd->cb(sc, cmd->data);
4450
4451 RT2870_SOFTC_LOCK(sc);
4452
4453 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
4454 ring->queued--;
4455
4456 RT2870_SOFTC_UNLOCK(sc);
4457 }
4458 }
4459
4460 /*
4461 * rt2870_rx_eof
4462 */
4463 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit)
4464 {
4465 struct ifnet *ifp;
4466 struct rt2870_softc_rx_ring *ring;
4467 struct rt2870_softc_rx_data *data;
4468 uint32_t dmalen;
4469 uint8_t *buf;
4470 int nframes, len;
4471
4472 ifp = sc->ifp;
4473 ring = &sc->rx_ring;
4474
4475 nframes = 0;
4476
4477 while (limit != 0)
4478 {
4479 RT2870_SOFTC_LOCK(sc);
4480
4481 data = STAILQ_FIRST(&ring->done);
4482 if (data == NULL)
4483 {
4484 RT2870_SOFTC_UNLOCK(sc);
4485 break;
4486 }
4487
4488 STAILQ_REMOVE_HEAD(&ring->done, next);
4489
4490 RT2870_SOFTC_UNLOCK(sc);
4491
4492 buf = data->buf;
4493 len = data->len;
4494
4495 if (len < RT2870_RX_DESC_SIZE)
4496 {
4497 ifp->if_ierrors++;
4498 goto skip;
4499 }
4500
4501 while (len > (sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)))
4502 {
4503 dmalen = (le32toh(*(uint32_t *) buf) & 0xffff);
4504
4505 if (dmalen == 0 || (dmalen & 3) != 0)
4506 {
4507 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4508 "%s: bad DMA len=%u\n",
4509 device_get_nameunit(sc->dev), dmalen);
4510 goto skip;
4511 }
4512
4513 if ((dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)) > len)
4514 {
4515 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4516 "%s: bad DMA len: DMA len=%u, USB len=%d\n",
4517 device_get_nameunit(sc->dev),
4518 (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)), len);
4519 goto skip;
4520 }
4521
4522 nframes++;
4523
4524 rt2870_rx_frame(sc, buf + sizeof(uint32_t), dmalen);
4525
4526 buf += (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
4527 len -= (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
4528 }
4529
4530 skip:
4531
4532 RT2870_SOFTC_LOCK(sc);
4533
4534 STAILQ_INSERT_TAIL(&ring->active, data, next);
4535
4536 RT2870_SOFTC_UNLOCK(sc);
4537
4538 usbd_setup_xfer(data->xfer, ring->usb_pipe, sc, data->buf,
4539 RT2870_USB_RX_BULK_BUFLEN, USBD_SHORT_XFER_OK | USBD_NO_COPY,
4540 USBD_NO_TIMEOUT, rt2870_rx_intr);
4541
4542 usbd_transfer(data->xfer);
4543
4544 limit--;
4545 }
4546
4547 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4548 "%s: Rx eof: nframes=%d\n",
4549 device_get_nameunit(sc->dev), nframes);
4550
4551 sc->rx_packets += nframes;
4552
4553 return (limit == 0);
4554 }
4555
4556 /*
4557 * rt2870_tx_eof
4558 */
4559 static void rt2870_tx_eof(struct rt2870_softc *sc,
4560 struct rt2870_softc_tx_ring *ring)
4561 {
4562 struct ifnet *ifp;
4563 struct rt2870_softc_tx_data *data;
4564 int nframes;
4565
4566 ifp = sc->ifp;
4567
4568 nframes = 0;
4569
4570 while (1)
4571 {
4572 RT2870_SOFTC_LOCK(sc);
4573
4574 data = STAILQ_FIRST(&ring->done);
4575 if (data == NULL)
4576 {
4577 RT2870_SOFTC_UNLOCK(sc);
4578 break;
4579 }
4580
4581 STAILQ_REMOVE_HEAD(&ring->done, next);
4582
4583 RT2870_SOFTC_UNLOCK(sc);
4584
4585 nframes++;
4586
4587 if (data->m->m_flags & M_TXCB)
4588 ieee80211_process_callback(data->ni, data->m, 0);
4589
4590 m_freem(data->m);
4591
4592 ieee80211_free_node(data->ni);
4593
4594 data->m = NULL;
4595 data->ni = NULL;
4596
4597 RT2870_SOFTC_LOCK(sc);
4598
4599 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4600
4601 ring->queued--;
4602
4603 RT2870_SOFTC_UNLOCK(sc);
4604
4605 ifp->if_opackets++;
4606 }
4607
4608 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4609 "%s: Tx eof: qid=%d, nframes=%d\n",
4610 device_get_nameunit(sc->dev), ring->qid, nframes);
4611 }
4612
4613 /*
4614 * rt2870_update_stats
4615 */
4616 static void rt2870_update_stats(struct rt2870_softc *sc)
4617 {
4618 struct ifnet *ifp;
4619 struct ieee80211com *ic;
4620 struct ieee80211_node *ni;
4621 uint32_t stacnt[3];
4622 int beacons, noretryok, retryok, failed;
4623 uint16_t associd;
4624 uint8_t wcid;
4625
4626 ifp = sc->ifp;
4627 ic = ifp->if_l2com;
4628
4629 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
4630 "%s: update statistic\n",
4631 device_get_nameunit(sc->dev));
4632
4633 rt2870_drain_fifo_stats(sc);
4634
4635 /* read and clear Tx statistic registers */
4636
4637 rt2870_io_mac_read_multi(sc, RT2870_REG_TX_STA_CNT0,
4638 stacnt, sizeof(stacnt));
4639
4640 stacnt[0] = le32toh(stacnt[0]);
4641 stacnt[1] = le32toh(stacnt[1]);
4642 stacnt[2] = le32toh(stacnt[2]);
4643
4644 beacons = stacnt[0] >> 16;
4645 noretryok = stacnt[1] & 0xffff;
4646 retryok = stacnt[1] >> 16;
4647 failed = stacnt[0] & 0xffff;
4648
4649 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
4650 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d\n",
4651 device_get_nameunit(sc->dev),
4652 beacons, noretryok, retryok, failed);
4653
4654 ifp->if_oerrors += failed;
4655
4656 sc->tx_beacons += beacons;
4657 sc->tx_noretryok += noretryok;
4658 sc->tx_retryok += retryok;
4659 sc->tx_failed += failed;
4660
4661 if (ic->ic_opmode == IEEE80211_M_STA && ic->ic_state == IEEE80211_S_RUN)
4662 {
4663 ni = ic->ic_bss;
4664
4665 associd = (ni != NULL) ? ni->ni_associd : 0;
4666 wcid = RT2870_AID2WCID(associd);
4667
4668 rt2870_amrr_tx_update(&sc->amrr_node[wcid],
4669 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
4670 }
4671 }
4672
4673 /*
4674 * rt2870_watchdog
4675 */
4676 static void rt2870_watchdog(struct rt2870_softc *sc)
4677 {
4678 uint32_t tmp;
4679 int ntries;
4680
4681 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
4682
4683 RT2870_DPRINTF(sc, RT2870_DEBUG_WATCHDOG,
4684 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
4685 device_get_nameunit(sc->dev), tmp);
4686
4687 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) != 0)
4688 {
4689 sc->tx_queue_not_empty[0]++;
4690
4691 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40012);
4692
4693 for (ntries = 0; ntries < 10; ntries++)
4694 {
4695 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
4696 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) == 0)
4697 break;
4698
4699 DELAY(1);
4700 }
4701
4702 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
4703 }
4704
4705 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) != 0)
4706 {
4707 sc->tx_queue_not_empty[1]++;
4708
4709 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf4000a);
4710
4711 for (ntries = 0; ntries < 10; ntries++)
4712 {
4713 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
4714 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) == 0)
4715 break;
4716
4717 DELAY(1);
4718 }
4719
4720 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
4721 }
4722 }
4723
4724 /*
4725 * rt2870_drain_fifo_stats
4726 */
4727 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc)
4728 {
4729 struct ifnet *ifp;
4730 uint32_t stats;
4731 uint8_t wcid, mcs, pid;
4732 int ok, agg, retrycnt;
4733
4734 ifp = sc->ic.ic_ifp;
4735
4736 /* drain Tx status FIFO (maxsize = 16) */
4737
4738 while ((stats = rt2870_io_mac_read(sc, RT2870_REG_TX_STA_FIFO)) &
4739 RT2870_REG_TX_STA_FIFO_VALID)
4740 {
4741 wcid = (stats >> RT2870_REG_TX_STA_FIFO_WCID_SHIFT) &
4742 RT2870_REG_TX_STA_FIFO_WCID_MASK;
4743
4744 /* if no ACK was requested, no feedback is available */
4745
4746 if (!(stats & RT2870_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
4747 continue;
4748
4749 /* update AMRR statistic */
4750
4751 ok = (stats & RT2870_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
4752 agg = (stats & RT2870_REG_TX_STA_FIFO_AGG) ? 1 : 0;
4753 mcs = (stats >> RT2870_REG_TX_STA_FIFO_MCS_SHIFT) &
4754 RT2870_REG_TX_STA_FIFO_MCS_MASK;
4755 pid = (stats >> RT2870_REG_TX_STA_FIFO_PID_SHIFT) &
4756 RT2870_REG_TX_STA_FIFO_PID_MASK;
4757 retrycnt = pid - mcs;
4758
4759 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
4760 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
4761 device_get_nameunit(sc->dev),
4762 wcid, ok, agg, mcs, pid, retrycnt);
4763
4764 rt2870_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
4765
4766 if (!ok)
4767 ifp->if_oerrors++;
4768 }
4769 }
4770
4771 /*
4772 * rt2870_update_raw_counters
4773 */
4774 static void rt2870_update_raw_counters(struct rt2870_softc *sc)
4775 {
4776 uint32_t tmp;
4777
4778 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT);
4779
4780 sc->tx_nonagg += tmp & 0xffff;
4781 sc->tx_agg += tmp >> 16;
4782
4783 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT0);
4784
4785 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
4786
4787 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT1);
4788
4789 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
4790
4791 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT2);
4792
4793 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
4794
4795 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT3);
4796
4797 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
4798
4799 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT4);
4800
4801 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
4802
4803 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT5);
4804
4805 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
4806
4807 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT6);
4808
4809 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
4810
4811 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT7);
4812
4813 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
4814
4815 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT0);
4816
4817 sc->rx_crc_errors += tmp & 0xffff;
4818 sc->rx_phy_errors += tmp >> 16;
4819
4820 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT1);
4821
4822 sc->rx_false_ccas += tmp & 0xffff;
4823 sc->rx_plcp_errors += tmp >> 16;
4824
4825 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT2);
4826
4827 sc->rx_dup_packets += tmp & 0xffff;
4828 sc->rx_fifo_overflows += tmp >> 16;
4829 }
4830
4831 /*
4832 * rt2870_alloc_rx_ring
4833 */
4834 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
4835 struct rt2870_softc_rx_ring *ring)
4836 {
4837 struct rt2870_softc_rx_data *data;
4838 int i, error;
4839
4840 STAILQ_INIT(&ring->active);
4841 STAILQ_INIT(&ring->done);
4842
4843 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
4844 {
4845 data = &ring->data[i];
4846
4847 data->xfer = usbd_alloc_xfer(sc->usb_dev);
4848 if (data->xfer == NULL)
4849 {
4850 printf("%s: could not allocate Rx xfer\n",
4851 device_get_nameunit(sc->dev));
4852 error = ENOMEM;
4853 goto fail;
4854 }
4855
4856 data->buf = usbd_alloc_buffer(data->xfer, RT2870_USB_RX_BULK_BUFLEN);
4857 if (data->buf == NULL)
4858 {
4859 printf("%s: could not allocate Rx buffer\n",
4860 device_get_nameunit(sc->dev));
4861 error = ENOMEM;
4862 goto fail;
4863 }
4864 }
4865
4866 return 0;
4867
4868 fail:
4869
4870 rt2870_free_rx_ring(sc, ring);
4871
4872 return error;
4873 }
4874
4875 /*
4876 * rt2870_reset_rx_ring
4877 */
4878 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
4879 struct rt2870_softc_rx_ring *ring)
4880 {
4881 STAILQ_INIT(&ring->active);
4882 STAILQ_INIT(&ring->done);
4883 }
4884
4885 /*
4886 * rt2870_free_rx_ring
4887 */
4888 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
4889 struct rt2870_softc_rx_ring *ring)
4890 {
4891 struct rt2870_softc_rx_data *data;
4892 int i;
4893
4894 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
4895 {
4896 data = &ring->data[i];
4897
4898 if (data->xfer != NULL)
4899 {
4900 usbd_free_xfer(data->xfer);
4901 data->xfer = NULL;
4902 }
4903 }
4904 }
4905
4906 /*
4907 * rt2870_alloc_tx_ring
4908 */
4909 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
4910 struct rt2870_softc_tx_ring *ring, int qid)
4911 {
4912 struct rt2870_softc_tx_data *data;
4913 int i, error;
4914
4915 STAILQ_INIT(&ring->inactive);
4916 STAILQ_INIT(&ring->active);
4917 STAILQ_INIT(&ring->done);
4918
4919 ring->sc = sc;
4920 ring->queued = 0;
4921 ring->qid = qid;
4922
4923 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
4924 {
4925 data = &ring->data[i];
4926
4927 data->xfer = usbd_alloc_xfer(sc->usb_dev);
4928 if (data->xfer == NULL)
4929 {
4930 printf("%s: could not allocate Tx xfer\n",
4931 device_get_nameunit(sc->dev));
4932 error = ENOMEM;
4933 goto fail;
4934 }
4935
4936 data->buf = usbd_alloc_buffer(data->xfer,
4937 RT2870_TX_DESC_SIZE + MJUMPAGESIZE);
4938 if (data->buf == NULL)
4939 {
4940 printf("%s: could not allocate Tx buffer\n",
4941 device_get_nameunit(sc->dev));
4942 error = ENOMEM;
4943 goto fail;
4944 }
4945
4946 memset(data->buf, 0, RT2870_TX_DESC_SIZE);
4947
4948 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4949 }
4950
4951 return 0;
4952
4953 fail:
4954
4955 rt2870_free_tx_ring(sc, ring);
4956
4957 return error;
4958 }
4959
4960 /*
4961 * rt2870_reset_tx_ring
4962 */
4963 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
4964 struct rt2870_softc_tx_ring *ring)
4965 {
4966 struct rt2870_softc_tx_data *data;
4967 int i;
4968
4969 STAILQ_INIT(&ring->inactive);
4970 STAILQ_INIT(&ring->active);
4971 STAILQ_INIT(&ring->done);
4972
4973 ring->queued = 0;
4974
4975 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
4976 {
4977 data = &ring->data[i];
4978
4979 if (data->m != NULL)
4980 {
4981 m_free(data->m);
4982 data->m = NULL;
4983 }
4984
4985 if (data->ni != NULL)
4986 {
4987 ieee80211_free_node(data->ni);
4988 data->ni = NULL;
4989 }
4990
4991 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4992 }
4993 }
4994
4995 /*
4996 * rt2870_free_tx_ring
4997 */
4998 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
4999 struct rt2870_softc_tx_ring *ring)
5000 {
5001 struct rt2870_softc_tx_data *data;
5002 int i;
5003
5004 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5005 {
5006 data = &ring->data[i];
5007
5008 if (data->xfer != NULL)
5009 {
5010 usbd_free_xfer(data->xfer);
5011 data->xfer = NULL;
5012 }
5013
5014 if (data->m != NULL)
5015 {
5016 m_free(data->m);
5017 data->m = NULL;
5018 }
5019
5020 if (data->ni != NULL)
5021 {
5022 ieee80211_free_node(data->ni);
5023 data->ni = NULL;
5024 }
5025 }
5026 }
5027
5028 /*
5029 * rt2870_reset_cmd_ring
5030 */
5031 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
5032 struct rt2870_softc_cmd_ring *ring)
5033 {
5034 struct rt2870_softc_cmd *cmd;
5035 int i;
5036
5037 STAILQ_INIT(&ring->inactive);
5038 STAILQ_INIT(&ring->active);
5039
5040 ring->queued = 0;
5041
5042 for (i = 0; i < RT2870_SOFTC_CMD_RING_CMD_COUNT; i++)
5043 {
5044 cmd = &ring->cmd[i];
5045
5046 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
5047 }
5048 }
5049
5050 /*
5051 * rt2870_sysctl_attach
5052 */
5053 static void rt2870_sysctl_attach(struct rt2870_softc *sc)
5054 {
5055 struct sysctl_ctx_list *ctx;
5056 struct sysctl_oid *tree;
5057 struct sysctl_oid *stats;
5058
5059 ctx = device_get_sysctl_ctx(sc->dev);
5060 tree = device_get_sysctl_tree(sc->dev);
5061
5062 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
5063 "stats", CTLFLAG_RD, 0, "statistic");
5064
5065 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5066 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
5067 "all interrupts");
5068
5069 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5070 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
5071 "Rx interrupts");
5072
5073 if (sc->usb_endpoints == (RT2870_SOFTC_TX_RING_COUNT + 1))
5074 {
5075 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5076 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
5077 "Tx MGMT interrupts");
5078
5079 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5080 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
5081 "Tx HCCA interrupts");
5082 }
5083
5084 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5085 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
5086 "Tx AC3 interrupts");
5087
5088 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5089 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
5090 "Tx AC2 interrupts");
5091
5092 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5093 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
5094 "Tx AC1 interrupts");
5095
5096 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5097 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
5098 "Tx AC0 interrupts");
5099
5100 if (sc->usb_endpoints == (RT2870_SOFTC_TX_RING_COUNT + 1))
5101 {
5102 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5103 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].queued, 0,
5104 "Tx MGMT data queued");
5105
5106 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5107 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].queued, 0,
5108 "Tx HCCA data queued");
5109 }
5110
5111 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5112 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].queued, 0,
5113 "Tx AC3 data queued");
5114
5115 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5116 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].queued, 0,
5117 "Tx AC2 data queued");
5118
5119 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5120 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].queued, 0,
5121 "Tx AC1 data queued");
5122
5123 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5124 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].queued, 0,
5125 "Tx AC0 data queued");
5126
5127 if (sc->usb_endpoints == (RT2870_SOFTC_TX_RING_COUNT + 1))
5128 {
5129 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5130 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
5131 "Tx MGMT data queue full");
5132
5133 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5134 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
5135 "Tx HCCA data queue full");
5136 }
5137
5138 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5139 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
5140 "Tx AC3 data queue full");
5141
5142 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5143 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
5144 "Tx AC2 data queue full");
5145
5146 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5147 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
5148 "Tx AC1 data queue full");
5149
5150 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5151 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
5152 "Tx AC0 data queue full");
5153
5154 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5155 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
5156 "Tx watchdog timeouts");
5157
5158 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5159 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
5160 "Rx mbuf allocation errors");
5161
5162 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5163 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
5164 "Tx queue 0 not empty");
5165
5166 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5167 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
5168 "Tx queue 1 not empty");
5169
5170 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5171 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
5172 "Tx beacons");
5173
5174 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5175 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
5176 "Tx successfull without retries");
5177
5178 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5179 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
5180 "Tx successfull with retries");
5181
5182 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5183 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
5184 "Tx failed");
5185
5186 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5187 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
5188 "Tx non-aggregated");
5189
5190 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5191 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
5192 "Tx aggregated");
5193
5194 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5195 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
5196 "Tx A-MPDU");
5197
5198 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5199 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
5200 "Rx packets");
5201
5202 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5203 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
5204 "Rx A-MPDU");
5205
5206 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5207 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
5208 "Rx A-MSDU");
5209
5210 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5211 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
5212 "Rx CRC errors");
5213
5214 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5215 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
5216 "Rx PHY errors");
5217
5218 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5219 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
5220 "Rx false CCAs");
5221
5222 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5223 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
5224 "Rx PLCP errors");
5225
5226 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5227 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
5228 "Rx duplicate packets");
5229
5230 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5231 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
5232 "Rx FIFO overflows");
5233 }
5234
5235 static device_method_t rt2870_dev_methods[] =
5236 {
5237 DEVMETHOD(device_probe, rt2870_probe),
5238 DEVMETHOD(device_attach, rt2870_attach),
5239 DEVMETHOD(device_detach, rt2870_detach),
5240 { 0, 0 }
5241 };
5242
5243 static driver_t rt2870_driver =
5244 {
5245 "rt2870",
5246 rt2870_dev_methods,
5247 sizeof(struct rt2870_softc),
5248 };
5249
5250 static devclass_t rt2870_dev_class;
5251
5252 DRIVER_MODULE(rt2870, uhub, rt2870_driver, rt2870_dev_class,
5253 usbd_driver_load, 0);
5254
5255 MODULE_DEPEND(rt2870, usb, 1, 1, 1);
5256 MODULE_DEPEND(rt2870, wlan, 1, 1, 1);
FreeBSD 7.2 device driver for Ralink rt2870