?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Collect Tx FIFO statistic more often
[ralink_drivers/rt2870_fbsd72.git] / rt2870.c
blobe04faeeb8362692ce5b6976add138d1c76065e5a
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_bbp_tuning(struct rt2870_softc *sc);
288
289 static void rt2870_watchdog(struct rt2870_softc *sc);
290
291 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc);
292
293 static void rt2870_update_raw_counters(struct rt2870_softc *sc);
294
295 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
296 struct rt2870_softc_rx_ring *ring);
297
298 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
299 struct rt2870_softc_rx_ring *ring);
300
301 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
302 struct rt2870_softc_rx_ring *ring);
303
304 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
305 struct rt2870_softc_tx_ring *ring, int qid);
306
307 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
308 struct rt2870_softc_tx_ring *ring);
309
310 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
311 struct rt2870_softc_tx_ring *ring);
312
313 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
314 struct rt2870_softc_cmd_ring *ring);
315
316 static void rt2870_sysctl_attach(struct rt2870_softc *sc);
317
318 /*
319 * Static variables
320 */
321
322 static const struct usb_devno rt2870_usb_devno[] =
323 {
324 { USB_VENDOR_LINKSYS4, USB_PRODUCT_LINKSYS4_WUSB600N }, /* Linksys WUSB600N */
325 { USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA140 }, /* D-Link DWA-140 */
326 { USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA160AREVB }, /* D-Link DWA-160A Rev. B */
327 { USB_VENDOR_ASUS, USB_PRODUCT_ASUS_RT2770F }, /* Asus RT2770F */
328 { USB_VENDOR_RALINK, USB_PRODUCT_RALINK_RT2770 }, /* Ralink RT2770 */
329 };
330
331 static const struct
332 {
333 uint32_t reg;
334 uint32_t val;
335 } rt2870_def_mac[] =
336 {
337 { RT2870_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
338 { RT2870_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
339 { RT2870_REG_LEGACY_BASIC_RATE, 0x0000013f },
340 { RT2870_REG_HT_BASIC_RATE, 0x00008003 },
341 { RT2870_REG_SYS_CTRL, 0x00000000 },
342 { RT2870_REG_RX_FILTER_CFG, 0x00017f97 },
343 { RT2870_REG_BKOFF_SLOT_CFG, 0x00000209 },
344 { RT2870_REG_TX_SW_CFG0, 0x00000000 },
345 { RT2870_REG_TX_SW_CFG1, 0x00080606 },
346 { RT2870_REG_TX_LINK_CFG, 0x00001020 },
347 { RT2870_REG_TX_TIMEOUT_CFG, 0x000a2090 },
348 { RT2870_REG_MAX_LEN_CFG, (1 << 12) | RT2870_MAX_AGG_SIZE },
349 { RT2870_REG_LED_CFG, 0x7f031e46 },
350 { RT2870_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
351 { RT2870_REG_TX_RTY_CFG, 0x47d01f0f },
352 { RT2870_REG_AUTO_RSP_CFG, 0x00000013 },
353 { RT2870_REG_TX_CCK_PROT_CFG, 0x05740003 },
354 { RT2870_REG_TX_OFDM_PROT_CFG, 0x05740003 },
355 { RT2870_REG_PBF_CFG, 0x00f40006 },
356 { RT2870_REG_TX_MM40_PROT_CFG, 0x03f44084 },
357 { RT2870_REG_SCHDMA_WPDMA_GLO_CFG, 0x00000030 },
358 { RT2870_REG_TX_GF20_PROT_CFG, 0x01744004 },
359 { RT2870_REG_TX_GF40_PROT_CFG, 0x03f44084 },
360 { RT2870_REG_TX_MM20_PROT_CFG, 0x01744004 },
361 { RT2870_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
362 { RT2870_REG_TX_RTS_CFG, 0x00092b20 },
363 { RT2870_REG_TX_EXP_ACK_TIME, 0x002400ca },
364 { RT2870_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
365 { RT2870_REG_XIFS_TIME_CFG, 0x33a41010 },
366 { RT2870_REG_PWR_PIN_CFG, 0x00000003 },
367 { RT2870_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
368 { RT2870_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
369 { RT2870_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
370 };
371
372 #define RT2870_DEF_MAC_SIZE (sizeof(rt2870_def_mac) / sizeof(rt2870_def_mac[0]))
373
374 static const struct
375 {
376 uint8_t reg;
377 uint8_t val;
378 } rt2870_def_bbp[] =
379 {
380 { 65, 0x2c },
381 { 66, 0x38 },
382 { 69, 0x12 },
383 { 70, 0x0a },
384 { 73, 0x10 },
385 { 81, 0x37 },
386 { 82, 0x62 },
387 { 83, 0x6a },
388 { 84, 0x99 },
389 { 86, 0x00 },
390 { 91, 0x04 },
391 { 92, 0x00 },
392 { 103, 0x00 },
393 { 105, 0x05 },
394 };
395
396 #define RT2870_DEF_BBP_SIZE (sizeof(rt2870_def_bbp) / sizeof(rt2870_def_bbp[0]))
397
398 SYSCTL_NODE(_hw, OID_AUTO, rt2870, CTLFLAG_RD, 0, "RT2870 driver parameters");
399
400 #ifdef RT2870_DEBUG
401 static int rt2870_debug = 0;
402 SYSCTL_INT(_hw_rt2870, OID_AUTO, debug, CTLFLAG_RW, &rt2870_debug, 0, "rt2870 debug level");
403 TUNABLE_INT("hw.rt2870.debug", &rt2870_debug);
404 #endif
405
406 /*
407 * rt2870_probe
408 */
409 static int rt2870_probe(device_t dev)
410 {
411 struct usb_attach_arg *uaa;
412
413 uaa = device_get_ivars(dev);
414
415 if (uaa->iface != NULL)
416 return UMATCH_NONE;
417
418 return (usb_lookup(rt2870_usb_devno, uaa->vendor, uaa->product) != NULL) ?
419 UMATCH_VENDOR_PRODUCT : UMATCH_NONE;
420 }
421
422 /*
423 * rt2870_attach
424 */
425 static int rt2870_attach(device_t dev)
426 {
427 struct rt2870_softc *sc;
428 struct usb_attach_arg *uaa;
429 usbd_status usb_error;
430 struct ieee80211com *ic;
431 struct ifnet *ifp;
432 int error, ntries, i;
433
434 sc = device_get_softc(dev);
435 uaa = device_get_ivars(dev);
436
437 sc->dev = dev;
438 sc->usb_dev = uaa->device;
439
440 #ifdef RT2870_DEBUG
441 sc->debug = rt2870_debug;
442
443 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
444 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
445 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2870 debug level");
446 #endif
447
448 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
449 "%s: attaching\n",
450 device_get_nameunit(sc->dev));
451
452 if (usbd_set_config_no(sc->usb_dev, RT2870_USB_CONFIG_NO, 0) != 0)
453 {
454 printf("%s: could not set USB configuration no\n",
455 device_get_nameunit(sc->dev));
456 return ENXIO;
457 }
458
459 usb_error = usbd_device2interface_handle(sc->usb_dev,
460 RT2870_USB_IFACE_INDEX, &sc->usb_iface);
461 if (usb_error != 0)
462 {
463 printf("%s: could not get USB interface handle\n",
464 device_get_nameunit(sc->dev));
465 return ENXIO;
466 }
467
468 error = rt2870_find_usb_endpoints(sc);
469 if (error != 0)
470 return error;
471
472 for (ntries = 0; ntries < 100; ntries++)
473 {
474 sc->mac_rev = rt2870_io_mac_read(sc, RT2870_REG_MAC_CSR0);
475 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
476 break;
477
478 DELAY(10);
479 }
480
481 if (ntries == 100)
482 {
483 printf("%s: timeout waiting for NIC to initialize\n",
484 device_get_nameunit(sc->dev));
485 return ENXIO;
486 }
487
488 rt2870_read_eeprom(sc);
489
490 printf("%s: MAC/BBP RT2870 (rev 0x%08x), RF %s\n",
491 device_get_nameunit(sc->dev), sc->mac_rev,
492 rt2870_rf_name(sc->rf_rev));
493
494 /* open Tx and Rx USB bulk pipes */
495
496 for (i = 0; i < sc->usb_endpoints - 1; i++)
497 {
498 error = usbd_open_pipe(sc->usb_iface, sc->tx_ring[i].usb_ep,
499 USBD_EXCLUSIVE_USE, &sc->tx_ring[i].usb_pipe);
500 if (error != 0)
501 {
502 printf("%s: could not open Tx pipe #%d: %s\n",
503 device_get_nameunit(sc->dev), i, usbd_errstr(error));
504 goto fail;
505 }
506 }
507
508 error = usbd_open_pipe(sc->usb_iface, sc->rx_ring.usb_ep,
509 USBD_EXCLUSIVE_USE, &sc->rx_ring.usb_pipe);
510 if (error != 0)
511 {
512 printf("%s: could not open Rx pipe: %s\n",
513 device_get_nameunit(sc->dev), usbd_errstr(error));
514 goto fail;
515 }
516
517 /* allocate Tx and Rx rings */
518
519 for (i = 0; i < sc->usb_endpoints - 1; i++)
520 {
521 error = rt2870_alloc_tx_ring(sc, &sc->tx_ring[i], i);
522 if (error != 0)
523 {
524 printf("%s: could not allocate Tx ring #%d\n",
525 device_get_nameunit(sc->dev), i);
526 goto fail;
527 }
528 }
529
530 if (sc->usb_endpoints == (RT2870_SOFTC_TX_RING_COUNT + 1))
531 sc->tx_ring_mgtqid = 5;
532 else
533 sc->tx_ring_mgtqid = 0;
534
535 error = rt2870_alloc_rx_ring(sc, &sc->rx_ring);
536 if (error != 0)
537 {
538 printf("%s: could not allocate Rx ring\n",
539 device_get_nameunit(sc->dev));
540 goto fail;
541 }
542
543 callout_init(&sc->periodic_ch, 0);
544 callout_init(&sc->tx_watchdog_ch, 0);
545
546 ifp = sc->ifp = if_alloc(IFT_ETHER);
547 if (ifp == NULL)
548 {
549 printf("%s: could not if_alloc()\n",
550 device_get_nameunit(sc->dev));
551 error = ENOMEM;
552 goto fail;
553 }
554
555 ifp->if_softc = sc;
556
557 if_initname(ifp, "rt2870", device_get_unit(sc->dev));
558
559 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST |
560 IFF_NEEDSGIANT;
561
562 ifp->if_init = rt2870_init;
563 ifp->if_ioctl = rt2870_ioctl;
564 ifp->if_start = rt2870_start;
565
566 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
567 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
568 IFQ_SET_READY(&ifp->if_snd);
569
570 ic = &sc->ic;
571
572 ic->ic_ifp = ifp;
573
574 ic->ic_phytype = IEEE80211_T_HT;
575 ic->ic_opmode = IEEE80211_M_STA;
576 ic->ic_state = IEEE80211_S_INIT;
577
578 ic->ic_caps = IEEE80211_C_MONITOR |
579 IEEE80211_C_IBSS |
580 IEEE80211_C_AHDEMO |
581 IEEE80211_C_HOSTAP |
582 IEEE80211_C_WDS |
583 /* IEEE80211_C_BGSCAN | */
584 IEEE80211_C_TXPMGT |
585 IEEE80211_C_SHPREAMBLE |
586 IEEE80211_C_SHSLOT |
587 IEEE80211_C_TXFRAG |
588 IEEE80211_C_BURST |
589 IEEE80211_C_WME |
590 IEEE80211_C_WEP |
591 IEEE80211_C_TKIP |
592 IEEE80211_C_AES_CCM |
593 IEEE80211_C_WPA;
594
595 ic->ic_htcaps = IEEE80211_HTC_HT |
596 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
597 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
598 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
599 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
600 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
601 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
602 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
603 IEEE80211_HTCAP_DSSSCCK40; /* HT 40MHz DSSS/CCK modulation */
604
605 /* spatial streams */
606
607 if (sc->nrxpath == 2)
608 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
609 else if (sc->nrxpath == 3)
610 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
611 else
612 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
613
614 if (sc->ntxpath > 1)
615 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
616
617 /* delayed BA */
618
619 if (sc->mac_rev != 0x28600100)
620 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
621
622 /* init channels */
623
624 ic->ic_nchans = 0;
625 ic->ic_regdomain = 0;
626 ic->ic_countrycode = CTRY_DEFAULT;
627 ic->ic_location = 0;
628
629 rt2870_init_channels(sc);
630
631 rt2870_init_channels_ht40(sc);
632
633 IEEE80211_ADDR_COPY(ic->ic_myaddr, sc->mac_addr);
634
635 ieee80211_ifattach(ic);
636
637 sc->newstate = ic->ic_newstate;
638 ic->ic_newstate = rt2870_newstate;
639
640 ic->ic_reset = rt2870_reset;
641 ic->ic_scan_start = rt2870_scan_start;
642 ic->ic_scan_end = rt2870_scan_end;
643 ic->ic_set_channel = rt2870_set_channel;
644 ic->ic_newassoc = rt2870_newassoc;
645 ic->ic_updateslot = rt2870_updateslot;
646 ic->ic_wme.wme_update = rt2870_wme_update;
647 ic->ic_update_beacon = rt2870_update_beacon;
648 ic->ic_crypto.cs_key_update_begin = rt2870_key_update_begin;
649 ic->ic_crypto.cs_key_update_end = rt2870_key_update_end;
650 ic->ic_crypto.cs_key_set = rt2870_key_set;
651 ic->ic_crypto.cs_key_delete = rt2870_key_delete;
652 ic->ic_raw_xmit = rt2870_raw_xmit;
653
654 sc->recv_action = ic->ic_recv_action;
655 ic->ic_recv_action = rt2870_recv_action;
656
657 sc->send_action = ic->ic_send_action;
658 ic->ic_send_action = rt2870_send_action;
659
660 /* hardware requires padding between 802.11 frame header and body */
661
662 ic->ic_flags |= IEEE80211_F_WME | IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
663
664 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
665
666 ieee80211_media_init(ic, rt2870_media_change, ieee80211_media_status);
667
668 rt2870_amrr_init(&sc->amrr, ic,
669 sc->ntxpath,
670 RT2870_AMRR_MIN_SUCCESS_THRESHOLD,
671 RT2870_AMRR_MAX_SUCCESS_THRESHOLD,
672 500);
673
674 bpfattach2(ifp, DLT_IEEE802_11_RADIO,
675 sizeof(struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN,
676 &sc->drvbpf);
677
678 sc->rxtap_len = sizeof(sc->rxtapu);
679 sc->rxtap.ihdr.it_len = htole16(sc->rxtap_len);
680 sc->rxtap.ihdr.it_present = htole32(RT2870_SOFTC_RX_RADIOTAP_PRESENT);
681
682 sc->txtap_len = sizeof(sc->txtapu);
683 sc->txtap.ihdr.it_len = htole16(sc->txtap_len);
684 sc->txtap.ihdr.it_present = htole32(RT2870_SOFTC_TX_RADIOTAP_PRESENT);
685
686 /* init task queue */
687
688 TASK_INIT(&sc->rx_done_task, 0, rt2870_rx_done_task, sc);
689 TASK_INIT(&sc->tx_done_task, 0, rt2870_tx_done_task, sc);
690 TASK_INIT(&sc->periodic_task, 0, rt2870_periodic_task, sc);
691 TASK_INIT(&sc->cmd_task, 0, rt2870_cmd_task, sc);
692
693 sc->rx_process_limit = 100;
694
695 sc->taskqueue = taskqueue_create("rt2870_taskq", M_NOWAIT,
696 taskqueue_thread_enqueue, &sc->taskqueue);
697
698 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
699 device_get_nameunit(sc->dev));
700
701 rt2870_sysctl_attach(sc);
702
703 if (bootverbose)
704 ieee80211_announce(ic);
705
706 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->usb_dev, sc->dev);
707
708 return 0;
709
710 fail:
711
712 /* close Tx and Rx USB bulk pipes */
713
714 if (sc->rx_ring.usb_pipe != NULL)
715 {
716 usbd_abort_pipe(sc->rx_ring.usb_pipe);
717 usbd_close_pipe(sc->rx_ring.usb_pipe);
718 sc->rx_ring.usb_pipe = NULL;
719 }
720
721 for (i = 0; i < sc->usb_endpoints - 1; i++)
722 {
723 if (sc->tx_ring[i].usb_pipe != NULL)
724 {
725 usbd_abort_pipe(sc->tx_ring[i].usb_pipe);
726 usbd_close_pipe(sc->tx_ring[i].usb_pipe);
727 sc->tx_ring[i].usb_pipe = NULL;
728 }
729 }
730
731 /* free Tx and Rx rings */
732
733 for (i = 0; i < sc->usb_endpoints - 1; i++)
734 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
735
736 rt2870_free_rx_ring(sc, &sc->rx_ring);
737
738 return error;
739 }
740
741 /*
742 * rt2870_detach
743 */
744 static int rt2870_detach(device_t dev)
745 {
746 struct rt2870_softc *sc;
747 struct ieee80211com *ic;
748 struct ifnet *ifp;
749 int i;
750
751 if (!device_is_attached(dev))
752 return 0;
753
754 sc = device_get_softc(dev);
755 ic = &sc->ic;
756 ifp = ic->ic_ifp;
757
758 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
759 "%s: detaching\n",
760 device_get_nameunit(sc->dev));
761
762 sc->tx_timer = 0;
763
764 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
765
766 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
767
768 callout_stop(&sc->periodic_ch);
769 callout_stop(&sc->tx_watchdog_ch);
770
771 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
772 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
773 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
774 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
775
776 /* close Tx and Rx USB bulk pipes */
777
778 if (sc->rx_ring.usb_pipe != NULL)
779 {
780 usbd_abort_pipe(sc->rx_ring.usb_pipe);
781 usbd_close_pipe(sc->rx_ring.usb_pipe);
782 sc->rx_ring.usb_pipe = NULL;
783 }
784
785 for (i = 0; i < sc->usb_endpoints - 1; i++)
786 {
787 if (sc->tx_ring[i].usb_pipe != NULL)
788 {
789 usbd_abort_pipe(sc->tx_ring[i].usb_pipe);
790 usbd_close_pipe(sc->tx_ring[i].usb_pipe);
791 sc->tx_ring[i].usb_pipe = NULL;
792 }
793 }
794
795 /* free Tx and Rx rings */
796
797 for (i = 0; i < sc->usb_endpoints - 1; i++)
798 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
799
800 rt2870_free_rx_ring(sc, &sc->rx_ring);
801
802 bpfdetach(ifp);
803
804 ieee80211_ifdetach(ic);
805
806 if_free(ifp);
807
808 taskqueue_free(sc->taskqueue);
809
810 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->usb_dev, sc->dev);
811
812 return 0;
813 }
814
815 /*
816 * rt2870_find_usb_endpoints
817 */
818 static int rt2870_find_usb_endpoints(struct rt2870_softc *sc)
819 {
820 usb_interface_descriptor_t *id;
821 usb_endpoint_descriptor_t *ed;
822 int i, j;
823
824 id = usbd_get_interface_descriptor(sc->usb_iface);
825
826 sc->usb_endpoints = id->bNumEndpoints;
827 if ((sc->usb_endpoints != (RT2870_SOFTC_TX_RING_COUNT + 1)) &&
828 (sc->usb_endpoints != (RT2870_SOFTC_TX_RING_COUNT - 2 + 1)))
829 {
830 printf("%s: wrong number of USB endpoints=%d\n",
831 device_get_nameunit(sc->dev), sc->usb_endpoints);
832 return ENXIO;
833 }
834
835 sc->rx_ring.usb_ep = -1;
836
837 for (i = 0; i < RT2870_SOFTC_TX_RING_COUNT; i++)
838 sc->tx_ring[i].usb_ep = -1;
839
840 for (i = 0, j = 0; i < id->bNumEndpoints; i++)
841 {
842 ed = usbd_interface2endpoint_descriptor(sc->usb_iface, i);
843 if (ed == NULL)
844 {
845 printf("%s: no endpoint descriptor #%d for USB interface\n",
846 device_get_nameunit(sc->dev), i);
847 return ENXIO;
848 }
849
850 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
851 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
852 {
853 sc->rx_ring.usb_ep = ed->bEndpointAddress;
854 }
855 else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
856 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
857 {
858 if (j < RT2870_SOFTC_TX_RING_COUNT)
859 sc->tx_ring[j++].usb_ep = ed->bEndpointAddress;
860 else
861 sc->tx_ring[RT2870_SOFTC_TX_RING_COUNT - 1].usb_ep =
862 ed->bEndpointAddress;
863 }
864 }
865
866 if ((sc->rx_ring.usb_ep == -1) ||
867 ((j != RT2870_SOFTC_TX_RING_COUNT) && (j != RT2870_SOFTC_TX_RING_COUNT - 2)))
868 {
869 printf("%s: missing USB endpoints\n",
870 device_get_nameunit(sc->dev));
871 return ENXIO;
872 }
873
874 return 0;
875 }
876
877 /*
878 * rt2870_init_channels
879 */
880 static void rt2870_init_channels(struct rt2870_softc *sc)
881 {
882 struct ieee80211com *ic;
883 struct ieee80211_channel *c;
884 int i, flags;
885
886 ic = &sc->ic;
887
888 /* set supported channels for 2GHz band */
889
890 for (i = 1; i <= 14; i++)
891 {
892 c = &ic->ic_channels[ic->ic_nchans++];
893 flags = IEEE80211_CHAN_B;
894
895 c->ic_freq = ieee80211_ieee2mhz(i, flags);
896 c->ic_ieee = i;
897 c->ic_flags = flags;
898
899 c = &ic->ic_channels[ic->ic_nchans++];
900 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
901
902 c->ic_freq = ieee80211_ieee2mhz(i, flags);
903 c->ic_ieee = i;
904 c->ic_flags = flags;
905
906 c = &ic->ic_channels[ic->ic_nchans++];
907 flags = IEEE80211_CHAN_G;
908
909 c->ic_freq = ieee80211_ieee2mhz(i, flags);
910 c->ic_ieee = i;
911 c->ic_flags = flags;
912
913 c = &ic->ic_channels[ic->ic_nchans++];
914 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
915
916 c->ic_freq = ieee80211_ieee2mhz(i, flags);
917 c->ic_ieee = i;
918 c->ic_flags = flags;
919 }
920
921 /* set supported channels for 5GHz band */
922
923 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
924 sc->rf_rev == RT2870_EEPROM_RF_2750)
925 {
926 for (i = 36; i <= 64; i += 4)
927 {
928 c = &ic->ic_channels[ic->ic_nchans++];
929 flags = IEEE80211_CHAN_A;
930
931 c->ic_freq = ieee80211_ieee2mhz(i, flags);
932 c->ic_ieee = i;
933 c->ic_flags = flags;
934
935 c = &ic->ic_channels[ic->ic_nchans++];
936 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
937
938 c->ic_freq = ieee80211_ieee2mhz(i, flags);
939 c->ic_ieee = i;
940 c->ic_flags = flags;
941 }
942
943 for (i = 100; i <= 140; i += 4)
944 {
945 c = &ic->ic_channels[ic->ic_nchans++];
946 flags = IEEE80211_CHAN_A;
947
948 c->ic_freq = ieee80211_ieee2mhz(i, flags);
949 c->ic_ieee = i;
950 c->ic_flags = flags;
951
952 c = &ic->ic_channels[ic->ic_nchans++];
953 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
954
955 c->ic_freq = ieee80211_ieee2mhz(i, flags);
956 c->ic_ieee = i;
957 c->ic_flags = flags;
958 }
959
960 for (i = 149; i <= 165; i += 4)
961 {
962 c = &ic->ic_channels[ic->ic_nchans++];
963 flags = IEEE80211_CHAN_A;
964
965 c->ic_freq = ieee80211_ieee2mhz(i, flags);
966 c->ic_ieee = i;
967 c->ic_flags = flags;
968
969 c = &ic->ic_channels[ic->ic_nchans++];
970 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
971
972 c->ic_freq = ieee80211_ieee2mhz(i, flags);
973 c->ic_ieee = i;
974 c->ic_flags = flags;
975 }
976 }
977 }
978
979 /*
980 * rt2870_init_channels_ht40
981 */
982 static void rt2870_init_channels_ht40(struct rt2870_softc *sc)
983 {
984 struct ieee80211com *ic;
985 struct ieee80211_channel *c, *cent, *ext;
986 int i, flags;
987
988 ic = &sc->ic;
989
990 /* set supported channels for 2GHz band */
991
992 for (i = 1; i <= 14; i++)
993 {
994 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
995
996 /* find the center channel */
997
998 cent = ieee80211_find_channel_byieee(ic, i,
999 flags & ~IEEE80211_CHAN_HT);
1000 if (cent == NULL)
1001 {
1002 printf("%s: skip channel %d, could not find center channel\n",
1003 device_get_nameunit(sc->dev), i);
1004 continue;
1005 }
1006
1007 /* find the extension channel */
1008
1009 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1010 flags & ~IEEE80211_CHAN_HT);
1011 if (ext == NULL)
1012 {
1013 printf("%s: skip channel %d, could not find extension channel\n",
1014 device_get_nameunit(sc->dev), i);
1015 continue;
1016 }
1017
1018 c = &ic->ic_channels[ic->ic_nchans++];
1019
1020 *c = *cent;
1021 c->ic_extieee = ext->ic_ieee;
1022 c->ic_flags &= ~IEEE80211_CHAN_HT;
1023 c->ic_flags |= IEEE80211_CHAN_HT40U;
1024
1025 c = &ic->ic_channels[ic->ic_nchans++];
1026
1027 *c = *ext;
1028 c->ic_extieee = cent->ic_ieee;
1029 c->ic_flags &= ~IEEE80211_CHAN_HT;
1030 c->ic_flags |= IEEE80211_CHAN_HT40D;
1031 }
1032
1033 /* set supported channels for 5GHz band */
1034
1035 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
1036 sc->rf_rev == RT2870_EEPROM_RF_2750)
1037 {
1038 for (i = 36; i <= 64; i += 4)
1039 {
1040 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1041
1042 /* find the center channel */
1043
1044 cent = ieee80211_find_channel_byieee(ic, i,
1045 flags & ~IEEE80211_CHAN_HT);
1046 if (cent == NULL)
1047 {
1048 printf("%s: skip channel %d, could not find center channel\n",
1049 device_get_nameunit(sc->dev), i);
1050 continue;
1051 }
1052
1053 /* find the extension channel */
1054
1055 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1056 flags & ~IEEE80211_CHAN_HT);
1057 if (ext == NULL)
1058 {
1059 printf("%s: skip channel %d, could not find extension channel\n",
1060 device_get_nameunit(sc->dev), i);
1061 continue;
1062 }
1063
1064 c = &ic->ic_channels[ic->ic_nchans++];
1065
1066 *c = *cent;
1067 c->ic_extieee = ext->ic_ieee;
1068 c->ic_flags &= ~IEEE80211_CHAN_HT;
1069 c->ic_flags |= IEEE80211_CHAN_HT40U;
1070
1071 c = &ic->ic_channels[ic->ic_nchans++];
1072
1073 *c = *ext;
1074 c->ic_extieee = cent->ic_ieee;
1075 c->ic_flags &= ~IEEE80211_CHAN_HT;
1076 c->ic_flags |= IEEE80211_CHAN_HT40D;
1077 }
1078
1079 for (i = 100; i <= 140; i += 4)
1080 {
1081 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1082
1083 /* find the center channel */
1084
1085 cent = ieee80211_find_channel_byieee(ic, i,
1086 flags & ~IEEE80211_CHAN_HT);
1087 if (cent == NULL)
1088 {
1089 printf("%s: skip channel %d, could not find center channel\n",
1090 device_get_nameunit(sc->dev), i);
1091 continue;
1092 }
1093
1094 /* find the extension channel */
1095
1096 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1097 flags & ~IEEE80211_CHAN_HT);
1098 if (ext == NULL)
1099 {
1100 printf("%s: skip channel %d, could not find extension channel\n",
1101 device_get_nameunit(sc->dev), i);
1102 continue;
1103 }
1104
1105 c = &ic->ic_channels[ic->ic_nchans++];
1106
1107 *c = *cent;
1108 c->ic_extieee = ext->ic_ieee;
1109 c->ic_flags &= ~IEEE80211_CHAN_HT;
1110 c->ic_flags |= IEEE80211_CHAN_HT40U;
1111
1112 c = &ic->ic_channels[ic->ic_nchans++];
1113
1114 *c = *ext;
1115 c->ic_extieee = cent->ic_ieee;
1116 c->ic_flags &= ~IEEE80211_CHAN_HT;
1117 c->ic_flags |= IEEE80211_CHAN_HT40D;
1118 }
1119
1120 for (i = 149; i <= 165; i += 4)
1121 {
1122 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1123
1124 /* find the center channel */
1125
1126 cent = ieee80211_find_channel_byieee(ic, i,
1127 flags & ~IEEE80211_CHAN_HT);
1128 if (cent == NULL)
1129 {
1130 printf("%s: skip channel %d, could not find center channel\n",
1131 device_get_nameunit(sc->dev), i);
1132 continue;
1133 }
1134
1135 /* find the extension channel */
1136
1137 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1138 flags & ~IEEE80211_CHAN_HT);
1139 if (ext == NULL)
1140 {
1141 printf("%s: skip channel %d, could not find extension channel\n",
1142 device_get_nameunit(sc->dev), i);
1143 continue;
1144 }
1145
1146 c = &ic->ic_channels[ic->ic_nchans++];
1147
1148 *c = *cent;
1149 c->ic_extieee = ext->ic_ieee;
1150 c->ic_flags &= ~IEEE80211_CHAN_HT;
1151 c->ic_flags |= IEEE80211_CHAN_HT40U;
1152
1153 c = &ic->ic_channels[ic->ic_nchans++];
1154
1155 *c = *ext;
1156 c->ic_extieee = cent->ic_ieee;
1157 c->ic_flags &= ~IEEE80211_CHAN_HT;
1158 c->ic_flags |= IEEE80211_CHAN_HT40D;
1159 }
1160 }
1161 }
1162
1163 /*
1164 * rt2870_init_locked
1165 */
1166 static void rt2870_init_locked(void *priv)
1167 {
1168 struct rt2870_softc *sc;
1169 struct ieee80211com *ic;
1170 struct ifnet *ifp;
1171 struct rt2870_softc_rx_data *data;
1172 int ntries, error, i;
1173 uint32_t tmp, stacnt[6];
1174
1175 sc = priv;
1176 ic = &sc->ic;
1177 ifp = ic->ic_ifp;
1178
1179 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1180 "%s: initializing\n",
1181 device_get_nameunit(sc->dev));
1182
1183 if (!(sc->flags & RT2870_SOFTC_FLAGS_UCODE_LOADED))
1184 {
1185 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1186 "%s: loading 8051 microcode\n",
1187 device_get_nameunit(sc->dev));
1188
1189 error = rt2870_io_mcu_load_ucode(sc, rt2870_ucode, sizeof(rt2870_ucode));
1190 if (error != 0)
1191 {
1192 printf("%s: could not load 8051 microcode\n",
1193 device_get_nameunit(sc->dev));
1194 goto fail;
1195 }
1196
1197 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1198 "%s: 8051 microcode was successfully loaded\n",
1199 device_get_nameunit(sc->dev));
1200
1201 sc->flags |= RT2870_SOFTC_FLAGS_UCODE_LOADED;
1202 }
1203
1204 /* wait while DMA engine is busy */
1205
1206 for (ntries = 0; ntries < 100; ntries++)
1207 {
1208 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
1209 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
1210 break;
1211
1212 DELAY(1000);
1213 }
1214
1215 if (ntries == 100)
1216 {
1217 printf("%s: timeout waiting for DMA engine\n",
1218 device_get_nameunit(sc->dev));
1219 goto fail;
1220 }
1221
1222 tmp &= 0xff0;
1223 tmp |= RT2870_REG_TX_WB_DDONE;
1224
1225 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1226
1227 /* PBF hardware reset */
1228
1229 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_SYS_CTRL);
1230
1231 tmp &= ~(1 << 13);
1232
1233 rt2870_io_mac_write(sc, RT2870_REG_PBF_SYS_CTRL, tmp);
1234
1235 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1236 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1237
1238 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1239
1240 rt2870_io_mcu_reset(sc);
1241
1242 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1243
1244 /* init Tx power per rate */
1245
1246 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
1247 {
1248 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1249 continue;
1250
1251 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i),
1252 sc->txpow_rate_20mhz[i]);
1253 }
1254
1255 for (i = 0; i < RT2870_DEF_MAC_SIZE; i++)
1256 rt2870_io_mac_write(sc, rt2870_def_mac[i].reg,
1257 rt2870_def_mac[i].val);
1258
1259 /* wait while MAC is busy */
1260
1261 for (ntries = 0; ntries < 100; ntries++)
1262 {
1263 if (!(rt2870_io_mac_read(sc, RT2870_REG_STATUS_CFG) &
1264 (RT2870_REG_STATUS_TX_BUSY | RT2870_REG_STATUS_RX_BUSY)))
1265 break;
1266
1267 DELAY(1000);
1268 }
1269
1270 if (ntries == 100)
1271 {
1272 printf("%s: timeout waiting for MAC\n",
1273 device_get_nameunit(sc->dev));
1274 goto fail;
1275 }
1276
1277 /* clear Host to MCU mailbox */
1278
1279 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX_BBP_AGENT, 0);
1280 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX, 0);
1281
1282 DELAY(1000);
1283
1284 error = rt2870_init_bbp(sc);
1285 if (error != 0)
1286 goto fail;
1287
1288 /* set up maximum buffer sizes */
1289
1290 tmp = (1 << 12) | RT2870_MAX_AGG_SIZE;
1291
1292 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1293 {
1294 tmp &= 0xfff;
1295 tmp |= 0x2000;
1296 }
1297
1298 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1299
1300 /* set mac address */
1301
1302 IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp));
1303
1304 rt2870_asic_set_macaddr(sc, ic->ic_myaddr);
1305
1306 /* clear statistic registers */
1307
1308 rt2870_io_mac_read_multi(sc, RT2870_REG_RX_STA_CNT0,
1309 stacnt, sizeof(stacnt));
1310
1311 /* send LEDs operating mode to microcontroller */
1312
1313 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED1,
1314 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1315 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED2,
1316 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1317 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED3,
1318 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1319
1320 /* write vendor-specific BBP values (from EEPROM) */
1321
1322 for (i = 0; i < RT2870_SOFTC_BBP_EEPROM_COUNT; i++)
1323 {
1324 if (sc->bbp_eeprom[i].reg == 0x00 ||
1325 sc->bbp_eeprom[i].reg == 0xff)
1326 continue;
1327
1328 rt2870_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1329 sc->bbp_eeprom[i].val);
1330 }
1331
1332 /* disable non-existing Rx chains */
1333
1334 tmp = rt2870_io_bbp_read(sc, 3);
1335
1336 tmp &= ~((1 << 4) | (1 << 3));
1337
1338 if (sc->nrxpath == 3)
1339 tmp |= (1 << 4);
1340 else if (sc->nrxpath == 2)
1341 tmp |= (1 << 3);
1342
1343 rt2870_io_bbp_write(sc, 3, tmp);
1344
1345 /* disable non-existing Tx chains */
1346
1347 tmp = rt2870_io_bbp_read(sc, 1);
1348
1349 tmp &= ~((1 << 4) | (1 << 3));
1350
1351 if (sc->ntxpath == 2)
1352 tmp |= (1 << 4);
1353
1354 rt2870_io_bbp_write(sc, 1, tmp);
1355
1356 /* set current channel */
1357
1358 rt2870_rf_set_chan(sc, ic->ic_curchan);
1359
1360 /* turn radio LED on */
1361
1362 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON);
1363
1364 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_BOOT,
1365 RT2870_REG_H2M_TOKEN_NO_INTR, 0);
1366
1367 /* set RTS threshold */
1368
1369 rt2870_asic_update_rtsthreshold(sc);
1370
1371 /* set Tx power */
1372
1373 rt2870_asic_update_txpower(sc);
1374
1375 /* set up protection mode */
1376
1377 rt2870_asic_updateprot(sc);
1378
1379 /* clear key tables */
1380
1381 rt2870_asic_clear_keytables(sc);
1382
1383 /* clear beacon frame space (entries = 8, entry size = 512) */
1384
1385 rt2870_io_mac_set_region_4(sc, RT2870_REG_BEACON_BASE(0), 0, 1024);
1386
1387 /* enable Tx/Rx DMA engine */
1388
1389 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_USB_CYC_CFG);
1390
1391 tmp &= 0xffffff00;
1392 tmp |= 0x1e;
1393
1394 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_CYC_CFG, tmp);
1395
1396 if ((sc->mac_rev & 0xffff) != 0x0101)
1397 rt2870_io_mac_write(sc, RT2870_REG_TX_TXOP_CTRL_CFG, 0x583f);
1398
1399 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, RT2870_REG_TX_ENABLE);
1400
1401 for (ntries = 0; ntries < 200; ntries++)
1402 {
1403 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
1404 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
1405 break;
1406
1407 DELAY(1000);
1408 }
1409
1410 if (ntries == 200)
1411 {
1412 printf("%s: timeout waiting for DMA engine\n",
1413 device_get_nameunit(sc->dev));
1414 goto fail;
1415 }
1416
1417 DELAY(50);
1418
1419 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1420 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
1421 (48 << 16) | 96);
1422
1423 tmp |= RT2870_REG_TX_WB_DDONE |
1424 RT2870_REG_RX_DMA_ENABLE |
1425 RT2870_REG_TX_DMA_ENABLE;
1426
1427 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1428
1429 tmp = RT2870_REG_USB_DMA_TX_ENABLE |
1430 RT2870_REG_USB_DMA_RX_ENABLE |
1431 RT2870_REG_USB_DMA_RX_AGG_ENABLE |
1432 /* Rx agg limit in unit of 1024 byte */
1433 ((RT2870_USB_RX_BULK_BUFLEN / 1024 - 3) << RT2870_REG_USB_DMA_RX_AGG_LIMIT_SHIFT) |
1434 /* Rx agg timeout in unit of 33ns */
1435 0x80;
1436
1437 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, tmp);
1438
1439 /* set Rx filter */
1440
1441 tmp = RT2870_REG_RX_FILTER_DROP_CRC_ERR |
1442 RT2870_REG_RX_FILTER_DROP_PHY_ERR;
1443
1444 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1445 {
1446 tmp |= RT2870_REG_RX_FILTER_DROP_DUPL |
1447 RT2870_REG_RX_FILTER_DROP_CTS |
1448 RT2870_REG_RX_FILTER_DROP_BA |
1449 RT2870_REG_RX_FILTER_DROP_ACK |
1450 RT2870_REG_RX_FILTER_DROP_VER_ERR |
1451 RT2870_REG_RX_FILTER_DROP_CTRL_RSV |
1452 RT2870_REG_RX_FILTER_DROP_CFACK |
1453 RT2870_REG_RX_FILTER_DROP_CFEND;
1454
1455 if (ic->ic_opmode == IEEE80211_M_STA)
1456 tmp |= RT2870_REG_RX_FILTER_DROP_RTS |
1457 RT2870_REG_RX_FILTER_DROP_PSPOLL;
1458
1459 if (!(ifp->if_flags & IFF_PROMISC))
1460 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
1461 }
1462
1463 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
1464
1465 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1466 RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
1467
1468 /* clear garbage interrupts */
1469
1470 tmp = rt2870_io_mac_read(sc, 0x1300);
1471
1472 taskqueue_unblock(sc->taskqueue);
1473
1474 /* init Tx and Rx rings */
1475
1476 for(i = 0; i < sc->usb_endpoints - 1; i++)
1477 rt2870_reset_tx_ring(sc, &sc->tx_ring[i]);
1478
1479 rt2870_reset_rx_ring(sc, &sc->rx_ring);
1480
1481 rt2870_reset_cmd_ring(sc, &sc->cmd_ring);
1482
1483 /* start up the receive pipe */
1484
1485 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
1486 {
1487 data = &sc->rx_ring.data[i];
1488
1489 STAILQ_INSERT_TAIL(&sc->rx_ring.active, data, next);
1490
1491 usbd_setup_xfer(data->xfer, sc->rx_ring.usb_pipe, sc, data->buf,
1492 RT2870_USB_RX_BULK_BUFLEN, USBD_SHORT_XFER_OK | USBD_NO_COPY,
1493 USBD_NO_TIMEOUT, rt2870_rx_intr);
1494
1495 usbd_transfer(data->xfer);
1496 }
1497
1498 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1499 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1500
1501 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1502 {
1503 if (ic->ic_roaming != IEEE80211_ROAMING_MANUAL)
1504 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
1505 }
1506 else
1507 {
1508 ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
1509 }
1510
1511 sc->periodic_round = 0;
1512
1513 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
1514
1515 return;
1516
1517 fail:
1518
1519 rt2870_stop_locked(sc);
1520 }
1521
1522 /*
1523 * rt2870_init
1524 */
1525 static void rt2870_init(void *priv)
1526 {
1527 struct rt2870_softc *sc;
1528
1529 sc = priv;
1530
1531 rt2870_init_locked(sc);
1532 }
1533
1534 /*
1535 * rt2870_init_bbp
1536 */
1537 static int rt2870_init_bbp(struct rt2870_softc *sc)
1538 {
1539 int ntries, i;
1540 uint8_t tmp;
1541
1542 for (ntries = 0; ntries < 20; ntries++)
1543 {
1544 tmp = rt2870_io_bbp_read(sc, 0);
1545 if (tmp != 0x00 && tmp != 0xff)
1546 break;
1547 }
1548
1549 if (tmp == 0x00 || tmp == 0xff)
1550 {
1551 printf("%s: timeout waiting for BBP to wakeup\n",
1552 device_get_nameunit(sc->dev));
1553 return ETIMEDOUT;
1554 }
1555
1556 for (i = 0; i < RT2870_DEF_BBP_SIZE; i++)
1557 rt2870_io_bbp_write(sc, rt2870_def_bbp[i].reg,
1558 rt2870_def_bbp[i].val);
1559
1560 if ((sc->mac_rev & 0xffff) != 0x0101)
1561 rt2870_io_bbp_write(sc, 84, 0x19);
1562
1563 return 0;
1564 }
1565
1566 /*
1567 * rt2870_stop
1568 */
1569 static void rt2870_stop_locked(void *priv)
1570 {
1571 struct rt2870_softc *sc;
1572 struct ieee80211com *ic;
1573 struct ifnet *ifp;
1574 uint32_t tmp;
1575 int i;
1576
1577 sc = priv;
1578 ic = &sc->ic;
1579 ifp = ic->ic_ifp;
1580
1581 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1582 "%s: stopping\n",
1583 device_get_nameunit(sc->dev));
1584
1585 sc->tx_timer = 0;
1586
1587 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1588 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
1589
1590 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1591
1592 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
1593
1594 callout_stop(&sc->periodic_ch);
1595 callout_stop(&sc->tx_watchdog_ch);
1596
1597 taskqueue_block(sc->taskqueue);
1598
1599 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1600 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1601 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1602 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
1603
1604 /* clear key tables */
1605
1606 rt2870_asic_clear_keytables(sc);
1607
1608 /* disable Tx/Rx */
1609
1610 tmp = rt2870_io_mac_read(sc, RT2870_REG_SYS_CTRL);
1611
1612 tmp &= ~(RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
1613
1614 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, tmp);
1615
1616 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1617
1618 /* reset adapter */
1619
1620 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1621 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1622 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1623
1624 /* abort any pending transfers */
1625
1626 if (sc->rx_ring.usb_pipe != NULL)
1627 usbd_abort_pipe(sc->rx_ring.usb_pipe);
1628
1629 for (i = 0; i < sc->usb_endpoints - 1; i++)
1630 if (sc->tx_ring[i].usb_pipe != NULL)
1631 usbd_abort_pipe(sc->tx_ring[i].usb_pipe);
1632 }
1633
1634 /*
1635 * rt2870_stop
1636 */
1637 static void rt2870_stop(void *priv)
1638 {
1639 struct rt2870_softc *sc;
1640
1641 sc = priv;
1642
1643 rt2870_stop_locked(sc);
1644 }
1645
1646 /*
1647 * rt2870_start
1648 */
1649 static void rt2870_start(struct ifnet *ifp)
1650 {
1651 struct rt2870_softc *sc;
1652 struct ieee80211com *ic;
1653 struct ieee80211_node *ni;
1654 struct ether_header *eh;
1655 struct mbuf *m;
1656 int qid;
1657
1658 sc = ifp->if_softc;
1659 ic = &sc->ic;
1660
1661 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1662 return;
1663
1664 for (;;)
1665 {
1666 IF_POLL(&ic->ic_mgtq, m);
1667 if (m != NULL)
1668 {
1669 if (sc->tx_ring[sc->tx_ring_mgtqid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1670 {
1671 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1672 "%s: if_start: Tx ring with qid=%d is full\n",
1673 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
1674
1675 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1676
1677 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
1678
1679 break;
1680 }
1681
1682 IF_DEQUEUE(&ic->ic_mgtq, m);
1683
1684 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1685 m->m_pkthdr.rcvif = NULL;
1686
1687 if (bpf_peers_present(ic->ic_rawbpf))
1688 bpf_mtap(ic->ic_rawbpf, m);
1689
1690 if (rt2870_tx_frame(sc, m, ni, sc->tx_ring_mgtqid) != 0)
1691 break;
1692 }
1693 else
1694 {
1695 if (ic->ic_state != IEEE80211_S_RUN)
1696 break;
1697
1698 IF_POLL(&ifp->if_snd, m);
1699 if (m == NULL)
1700 break;
1701
1702 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1703
1704 if (ic->ic_flags & IEEE80211_F_SCAN)
1705 ieee80211_cancel_scan(ic);
1706
1707 if (m->m_len < sizeof(struct ether_header) &&
1708 !(m = m_pullup(m, sizeof (struct ether_header))))
1709 continue;
1710
1711 eh = mtod(m, struct ether_header *);
1712
1713 ni = ieee80211_find_txnode(ic, eh->ether_dhost);
1714 if (ni == NULL)
1715 {
1716 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1717 "%s: if_start: could not find Tx node\n",
1718 device_get_nameunit(sc->dev));
1719
1720 m_freem(m);
1721
1722 continue;
1723 }
1724
1725 ieee80211_classify(ic, m, ni);
1726
1727 qid = M_WME_GETAC(m);
1728
1729 if (sc->tx_ring[qid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1730 {
1731 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1732 "%s: if_start: Tx ring with qid=%d is full\n",
1733 device_get_nameunit(sc->dev), qid);
1734
1735 m_freem(m);
1736 ieee80211_free_node(ni);
1737
1738 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1739 ifp->if_oerrors++;
1740
1741 sc->tx_data_queue_full[qid]++;
1742
1743 break;
1744 }
1745
1746 BPF_MTAP(ifp, m);
1747
1748 m = ieee80211_encap(ic, m, ni);
1749 if (m == NULL)
1750 {
1751 ieee80211_free_node(ni);
1752
1753 ifp->if_oerrors++;
1754
1755 continue;
1756 }
1757
1758 if (bpf_peers_present(ic->ic_rawbpf))
1759 bpf_mtap(ic->ic_rawbpf, m);
1760
1761 if (rt2870_tx_frame(sc, m, ni, qid) != 0)
1762 {
1763 ieee80211_free_node(ni);
1764
1765 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1766 ifp->if_oerrors++;
1767
1768 break;
1769 }
1770 }
1771
1772 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
1773
1774 ic->ic_lastdata = ticks;
1775
1776 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
1777 }
1778 }
1779
1780 /*
1781 * rt2870_ioctl
1782 */
1783 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1784 {
1785 struct rt2870_softc *sc;
1786 struct ieee80211com *ic;
1787 int error;
1788
1789 sc = ifp->if_softc;
1790 ic = &sc->ic;
1791
1792 error = 0;
1793
1794 switch (cmd)
1795 {
1796 case SIOCSIFFLAGS:
1797 if (ifp->if_flags & IFF_UP)
1798 {
1799 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1800 {
1801 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1802 rt2870_asic_update_promisc(sc);
1803 }
1804 else
1805 {
1806 rt2870_init_locked(sc);
1807 }
1808 }
1809 else
1810 {
1811 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1812 rt2870_stop_locked(sc);
1813 }
1814
1815 sc->if_flags = ifp->if_flags;
1816 break;
1817
1818 default:
1819 error = ieee80211_ioctl(ic, cmd, data);
1820 }
1821
1822 if (error == ENETRESET)
1823 {
1824 if ((ifp->if_flags & IFF_UP) &&
1825 (ifp->if_drv_flags & IFF_DRV_RUNNING) &&
1826 (ic->ic_roaming != IEEE80211_ROAMING_MANUAL))
1827 {
1828 rt2870_stop_locked(sc);
1829 rt2870_init_locked(sc);
1830 }
1831
1832 error = 0;
1833 }
1834
1835 return error;
1836 }
1837
1838 /*
1839 * rt2870_reset
1840 */
1841 static int rt2870_reset(struct ifnet *ifp)
1842 {
1843 struct rt2870_softc *sc;
1844 struct ieee80211com *ic;
1845
1846 sc = ifp->if_softc;
1847 ic = &sc->ic;
1848
1849 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1850 return ENETRESET;
1851
1852 rt2870_rf_set_chan(sc, ic->ic_curchan);
1853
1854 return 0;
1855 }
1856
1857 /*
1858 * rt2870_newstate
1859 */
1860 static int rt2870_newstate(struct ieee80211com *ic,
1861 enum ieee80211_state nstate, int arg)
1862 {
1863 struct rt2870_softc *sc;
1864 struct ifnet *ifp;
1865 struct rt2870_cmd_argv_newstate cmd_argv;
1866
1867 ifp = ic->ic_ifp;
1868 sc = ifp->if_softc;
1869
1870 cmd_argv.nstate = nstate;
1871 cmd_argv.arg = arg;
1872
1873 rt2870_do_async(sc, rt2870_newstate_cb, &cmd_argv,
1874 sizeof(struct rt2870_cmd_argv_newstate));
1875
1876 return 0;
1877 }
1878
1879 /*
1880 * rt2870_scan_start
1881 */
1882 static void rt2870_scan_start(struct ieee80211com *ic)
1883 {
1884 struct rt2870_softc *sc;
1885 struct ifnet *ifp;
1886
1887 ifp = ic->ic_ifp;
1888 sc = ifp->if_softc;
1889
1890 rt2870_do_async(sc, rt2870_scan_start_cb, NULL, 0);
1891 }
1892
1893 /*
1894 * rt2870_scan_end
1895 */
1896 static void rt2870_scan_end(struct ieee80211com *ic)
1897 {
1898 struct rt2870_softc *sc;
1899 struct ifnet *ifp;
1900
1901 ifp = ic->ic_ifp;
1902 sc = ifp->if_softc;
1903
1904 rt2870_do_async(sc, rt2870_scan_end_cb, NULL, 0);
1905 }
1906
1907 /*
1908 * rt2870_set_channel
1909 */
1910 static void rt2870_set_channel(struct ieee80211com *ic)
1911 {
1912 struct rt2870_softc *sc;
1913 struct ifnet *ifp;
1914
1915 ifp = ic->ic_ifp;
1916 sc = ifp->if_softc;
1917
1918 rt2870_do_async(sc, rt2870_set_channel_cb, NULL, 0);
1919 }
1920
1921 /*
1922 * rt2870_newassoc
1923 */
1924 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew)
1925 {
1926 struct rt2870_softc *sc;
1927 struct ieee80211com *ic;
1928 struct ifnet *ifp;
1929 struct rt2870_cmd_argv_newassoc cmd_argv;
1930
1931 ic = ni->ni_ic;
1932 ifp = ic->ic_ifp;
1933 sc = ifp->if_softc;
1934
1935 cmd_argv.associd = (ni != NULL) ? ni->ni_associd : 0;
1936 cmd_argv.isnew = isnew;
1937 memcpy(cmd_argv.macaddr, ni->ni_macaddr, IEEE80211_ADDR_LEN);
1938
1939 rt2870_do_async(sc, rt2870_newassoc_cb, &cmd_argv,
1940 sizeof(struct rt2870_cmd_argv_newassoc));
1941 }
1942
1943 /*
1944 * rt2870_updateslot
1945 */
1946 static void rt2870_updateslot(struct ifnet *ifp)
1947 {
1948 struct rt2870_softc *sc;
1949
1950 sc = ifp->if_softc;
1951
1952 rt2870_do_async(sc, rt2870_updateslot_cb, NULL, 0);
1953 }
1954
1955 /*
1956 * rt2870_wme_update
1957 */
1958 static int rt2870_wme_update(struct ieee80211com *ic)
1959 {
1960 struct rt2870_softc *sc;
1961 struct ifnet *ifp;
1962
1963 ifp = ic->ic_ifp;
1964 sc = ifp->if_softc;
1965
1966 rt2870_do_async(sc, rt2870_wme_update_cb, NULL, 0);
1967
1968 return 0;
1969 }
1970
1971 /*
1972 * rt2870_update_beacon
1973 */
1974 static void rt2870_update_beacon(struct ieee80211com *ic, int what)
1975 {
1976 struct rt2870_softc *sc;
1977 struct ifnet *ifp;
1978 struct rt2870_cmd_argv_updatebeacon cmd_argv;
1979
1980 ifp = ic->ic_ifp;
1981 sc = ifp->if_softc;
1982
1983 cmd_argv.what = what;
1984
1985 rt2870_do_async(sc, rt2870_update_beacon_cb, &cmd_argv,
1986 sizeof(struct rt2870_cmd_argv_updatebeacon));
1987 }
1988
1989 /*
1990 * rt2870_key_update_begin
1991 */
1992 static void rt2870_key_update_begin(struct ieee80211com *ic)
1993 {
1994 struct rt2870_softc *sc;
1995 struct ifnet *ifp;
1996
1997 ifp = ic->ic_ifp;
1998 sc = ifp->if_softc;
1999
2000 rt2870_do_async(sc, rt2870_key_update_begin_cb, NULL, 0);
2001 }
2002
2003 /*
2004 * rt2870_key_update_end
2005 */
2006 static void rt2870_key_update_end(struct ieee80211com *ic)
2007 {
2008 struct rt2870_softc *sc;
2009 struct ifnet *ifp;
2010
2011 ifp = ic->ic_ifp;
2012 sc = ifp->if_softc;
2013
2014 rt2870_do_async(sc, rt2870_key_update_end_cb, NULL, 0);
2015 }
2016
2017 /*
2018 * rt2870_key_set
2019 */
2020 static int rt2870_key_set(struct ieee80211com *ic,
2021 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2022 {
2023 struct rt2870_softc *sc;
2024 struct ifnet *ifp;
2025 struct ieee80211_node *ni;
2026 struct rt2870_cmd_argv_keyset cmd_argv;
2027
2028 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2029 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2030 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2031 return EINVAL;
2032
2033 ifp = ic->ic_ifp;
2034 sc = ifp->if_softc;
2035
2036 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2037 ni = ic->ic_bss;
2038 else
2039 ni = ieee80211_find_node(&ic->ic_sta, mac);
2040
2041 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2042 cmd_argv.associd = (ni != NULL) ? ni->ni_associd : 0;
2043
2044 if ((ic->ic_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2045 ieee80211_free_node(ni);
2046
2047 rt2870_do_async(sc, rt2870_key_set_cb, &cmd_argv,
2048 sizeof(struct rt2870_cmd_argv_keyset));
2049
2050 return 1;
2051 }
2052
2053 /*
2054 * rt2870_key_delete
2055 */
2056 static int rt2870_key_delete(struct ieee80211com *ic,
2057 const struct ieee80211_key *k)
2058 {
2059 struct rt2870_softc *sc;
2060 struct ifnet *ifp;
2061 struct ieee80211_node *ni;
2062 struct rt2870_cmd_argv_keydelete cmd_argv;
2063
2064 ifp = ic->ic_ifp;
2065 sc = ifp->if_softc;
2066 ni = ic->ic_bss;
2067
2068 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2069 cmd_argv.associd = (ni != NULL) ? ni->ni_associd : 0;
2070
2071 rt2870_do_async(sc, rt2870_key_delete_cb, &cmd_argv,
2072 sizeof(struct rt2870_cmd_argv_keydelete));
2073
2074 return 1;
2075 }
2076
2077 /*
2078 * rt2870_raw_xmit
2079 */
2080 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2081 const struct ieee80211_bpf_params *params)
2082 {
2083 struct ieee80211com *ic;
2084 struct ifnet *ifp;
2085 struct rt2870_softc *sc;
2086
2087 ic = ni->ni_ic;
2088 ifp = ic->ic_ifp;
2089 sc = ifp->if_softc;
2090
2091 return 0;
2092 }
2093
2094 /*
2095 * rt2870_media_change
2096 */
2097 static int rt2870_media_change(struct ifnet *ifp)
2098 {
2099 struct rt2870_softc *sc;
2100 int error;
2101
2102 sc = ifp->if_softc;
2103
2104 error = ieee80211_media_change(ifp);
2105 if (error != ENETRESET)
2106 return error;
2107
2108 if ((ifp->if_flags & IFF_UP) && (ifp->if_drv_flags & IFF_DRV_RUNNING))
2109 {
2110 rt2870_stop(sc);
2111 rt2870_init(sc);
2112 }
2113
2114 return 0;
2115 }
2116
2117 /*
2118 * rt2870_recv_action
2119 */
2120 static void rt2870_recv_action(struct ieee80211_node *ni,
2121 const uint8_t *frm, const uint8_t *efrm)
2122 {
2123 struct rt2870_softc *sc;
2124 struct ieee80211com *ic;
2125 struct ifnet *ifp;
2126 const struct ieee80211_action *ia;
2127 uint16_t associd, status, baparamset;
2128 uint8_t wcid;
2129 int tid, bufsize;
2130 uint32_t tmp;
2131
2132 ic = ni->ni_ic;
2133 ifp = ic->ic_ifp;
2134 sc = ifp->if_softc;
2135
2136 ia = (const struct ieee80211_action *) frm;
2137
2138 sc->recv_action(ni, frm, efrm);
2139
2140 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2141 return;
2142
2143 associd = (ni != NULL) ? ni->ni_associd : 0;
2144 wcid = RT2870_AID2WCID(associd);
2145
2146 switch (ia->ia_action)
2147 {
2148 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2149 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2150 baparamset = LE_READ_2(frm + 3);
2151 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2152 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2153
2154 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2155 "%s: received ADDBA request: associd=0x%04x, tid=%d, bufsize=%d\n",
2156 device_get_nameunit(sc->dev), associd, tid, bufsize);
2157
2158 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2159
2160 tmp |= (0x10000 << tid);
2161
2162 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2163 break;
2164
2165 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2166 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2167 status = LE_READ_2(frm + 3);
2168 baparamset = LE_READ_2(frm + 4);
2169 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2170 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2171
2172 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2173 "%s: received ADDBA response: associd=0x%04x, status=%d, tid=%d, bufsize=%d\n",
2174 device_get_nameunit(sc->dev), associd, status, tid, bufsize);
2175
2176 if (status == IEEE80211_STATUS_SUCCESS)
2177 {
2178 sc->tx_ampdu_sessions++;
2179
2180 rt2870_asic_updateprot(sc);
2181 }
2182 break;
2183
2184 /* IEEE80211_ACTION_BA_DELBA */
2185 case IEEE80211_ACTION_BA_DELBA:
2186 baparamset = LE_READ_2(frm + 2);
2187 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2188
2189 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2190 "%s: received DELBA request: associd=0x%04x, tid=%d\n",
2191 device_get_nameunit(sc->dev), associd, tid);
2192
2193 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2194
2195 tmp &= ~(0x10000 << tid);
2196
2197 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2198 break;
2199 }
2200 }
2201
2202 /*
2203 * rt2870_send_action
2204 */
2205 static int rt2870_send_action(struct ieee80211_node *ni,
2206 int category, int action, uint16_t args[4])
2207 {
2208 struct rt2870_softc *sc;
2209 struct ieee80211com *ic;
2210 struct ifnet *ifp;
2211 uint16_t associd, baparamset;
2212 uint8_t wcid;
2213 int ret, tid;
2214 uint32_t tmp;
2215
2216 ic = ni->ni_ic;
2217 ifp = ic->ic_ifp;
2218 sc = ifp->if_softc;
2219
2220 ret = sc->send_action(ni, category, action, args);
2221
2222 if (category != IEEE80211_ACTION_CAT_BA)
2223 return ret;
2224
2225 associd = (ni != NULL) ? ni->ni_associd : 0;
2226 wcid = RT2870_AID2WCID(associd);
2227
2228 switch (action)
2229 {
2230 /* IEEE80211_ACTION_BA_DELBA */
2231 case IEEE80211_ACTION_BA_DELBA:
2232 baparamset = RT2870_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2233
2234 tid = RT2870_MS(baparamset, IEEE80211_DELBAPS_TID);
2235
2236 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2237 "%s: sending DELBA request: associd=0x%04x, tid=%d\n",
2238 device_get_nameunit(sc->dev), associd, tid);
2239
2240 if (RT2870_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2241 {
2242 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2243
2244 tmp &= ~(0x10000 << tid);
2245
2246 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2247 }
2248 else
2249 {
2250 sc->tx_ampdu_sessions--;
2251
2252 rt2870_asic_updateprot(sc);
2253 }
2254 break;
2255 }
2256
2257 return ret;
2258 }
2259
2260 /*
2261 * rt2870_amrr_update_iter_func
2262 */
2263 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2264 {
2265 struct rt2870_softc *sc;
2266 struct ieee80211com *ic;
2267 uint8_t wcid;
2268
2269 sc = arg;
2270 ic = &sc->ic;
2271
2272 /* only associated stations */
2273
2274 if (ni->ni_associd != 0)
2275 {
2276 wcid = RT2870_AID2WCID(ni->ni_associd);
2277
2278 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2279 "%s: AMRR node: wcid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2280 device_get_nameunit(sc->dev),
2281 wcid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2282
2283 rt2870_amrr_choose(ni, &sc->amrr_node[wcid]);
2284
2285 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2286 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2287 device_get_nameunit(sc->dev),
2288 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2289 ni->ni_associd,
2290 (ni->ni_flags & IEEE80211_NODE_HT) ?
2291 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2292 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2293 (ni->ni_flags & IEEE80211_NODE_HT) ?
2294 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2295 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2296 }
2297 }
2298
2299 /*
2300 * rt2870_periodic
2301 */
2302 static void rt2870_periodic(void *arg)
2303 {
2304 struct rt2870_softc *sc;
2305 struct ifnet *ifp;
2306
2307 sc = arg;
2308 ifp = sc->ifp;
2309
2310 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
2311 "%s: periodic\n",
2312 device_get_nameunit(sc->dev));
2313
2314 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2315 return;
2316
2317 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2318 }
2319
2320 /*
2321 * rt2870_tx_watchdog
2322 */
2323 static void rt2870_tx_watchdog(void *arg)
2324 {
2325 struct rt2870_softc *sc;
2326 struct ifnet *ifp;
2327
2328 sc = arg;
2329 ifp = sc->ifp;
2330
2331 if (sc->tx_timer == 0)
2332 return;
2333
2334 if (--sc->tx_timer == 0)
2335 {
2336 printf("%s: Tx watchdog timeout: resetting\n",
2337 device_get_nameunit(sc->dev));
2338
2339 rt2870_stop_locked(sc);
2340 rt2870_init_locked(sc);
2341
2342 ifp->if_oerrors++;
2343
2344 sc->tx_watchdog_timeouts++;
2345 }
2346
2347 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
2348 }
2349
2350 /*
2351 * rt2870_do_async
2352 */
2353 static int rt2870_do_async(struct rt2870_softc *sc,
2354 void (*cb)(struct rt2870_softc *sc, void *arg),
2355 void *arg, int len)
2356 {
2357 struct ifnet *ifp;
2358 struct rt2870_softc_cmd_ring *ring;
2359 struct rt2870_softc_cmd *cmd;
2360 int run_cmd_task;
2361
2362 ifp = sc->ifp;
2363 ring = &sc->cmd_ring;
2364
2365 RT2870_SOFTC_LOCK(sc);
2366
2367 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2368 {
2369 RT2870_SOFTC_UNLOCK(sc);
2370 return -1;
2371 }
2372
2373 if (ring->queued >= RT2870_SOFTC_CMD_RING_CMD_COUNT)
2374 {
2375 RT2870_SOFTC_UNLOCK(sc);
2376 return -1;
2377 }
2378
2379 cmd = STAILQ_FIRST(&ring->inactive);
2380 STAILQ_REMOVE_HEAD(&ring->inactive, next);
2381
2382 cmd->cb = cb;
2383
2384 if(arg != NULL)
2385 memcpy(cmd->data, arg, len);
2386
2387 STAILQ_INSERT_TAIL(&ring->active, cmd, next);
2388 ring->queued++;
2389
2390 run_cmd_task = (ring->queued == 1);
2391
2392 RT2870_SOFTC_UNLOCK(sc);
2393
2394 if (run_cmd_task)
2395 taskqueue_enqueue(sc->taskqueue, &sc->cmd_task);
2396
2397 return 0;
2398 }
2399
2400 /*
2401 * rt2870_newstate_cb
2402 */
2403 static void rt2870_newstate_cb(struct rt2870_softc *sc, void *arg)
2404 {
2405 struct ieee80211com *ic;
2406 enum ieee80211_state nstate;
2407 struct ieee80211_node *ni;
2408 struct rt2870_cmd_argv_newstate *cmd_argv;
2409 int error;
2410
2411 ic = &sc->ic;
2412 cmd_argv = arg;
2413 nstate = cmd_argv->nstate;
2414
2415 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2416 "%s: newstate: %s -> %s\n",
2417 device_get_nameunit(sc->dev),
2418 ieee80211_state_name[ic->ic_state], ieee80211_state_name[nstate]);
2419
2420 error = sc->newstate(ic, nstate, cmd_argv->arg);
2421 if (error != 0)
2422 return;
2423
2424 /* turn link LED off */
2425
2426 if (nstate != IEEE80211_S_RUN)
2427 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
2428
2429 switch (nstate)
2430 {
2431 case IEEE80211_S_INIT:
2432 rt2870_asic_disable_tsf_sync(sc);
2433 break;
2434
2435 case IEEE80211_S_RUN:
2436 ni = ic->ic_bss;
2437
2438 rt2870_rf_set_chan(sc, ni->ni_chan);
2439
2440 if (ic->ic_opmode != IEEE80211_M_MONITOR)
2441 {
2442 rt2870_asic_enable_mrr(sc);
2443 rt2870_asic_set_txpreamble(sc);
2444 rt2870_asic_set_basicrates(sc);
2445 rt2870_asic_set_bssid(sc, ni->ni_bssid);
2446 }
2447
2448 if (ic->ic_opmode == IEEE80211_M_STA)
2449 rt2870_newassoc(ni, 1);
2450
2451 if (ic->ic_opmode == IEEE80211_M_HOSTAP ||
2452 ic->ic_opmode == IEEE80211_M_IBSS)
2453 {
2454 error = rt2870_asic_update_beacon(sc);
2455 if (error != 0)
2456 break;
2457 }
2458
2459 if (ic->ic_opmode != IEEE80211_M_MONITOR)
2460 rt2870_asic_enable_tsf_sync(sc);
2461
2462 /* turn link LED on */
2463
2464 if (ic->ic_opmode != IEEE80211_M_MONITOR)
2465 {
2466 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON |
2467 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2468 RT2870_LED_CMD_LINK_2GHZ : RT2870_LED_CMD_LINK_5GHZ));
2469 }
2470 break;
2471
2472 default:
2473 break;
2474 }
2475 }
2476
2477 /*
2478 * rt2870_scan_start_cb
2479 */
2480 static void rt2870_scan_start_cb(struct rt2870_softc *sc, void *arg)
2481 {
2482 struct ieee80211com *ic;
2483 struct ifnet *ifp;
2484
2485 ic = &sc->ic;
2486 ifp = ic->ic_ifp;
2487
2488 rt2870_asic_disable_tsf_sync(sc);
2489 }
2490
2491 /*
2492 * rt2870_scan_end_cb
2493 */
2494 static void rt2870_scan_end_cb(struct rt2870_softc *sc, void *arg)
2495 {
2496 struct ieee80211com *ic;
2497 struct ieee80211_node *ni;
2498
2499 ic = &sc->ic;
2500 ni = ic->ic_bss;
2501
2502 rt2870_asic_enable_tsf_sync(sc);
2503 }
2504
2505 /*
2506 * rt2870_set_channel_cb
2507 */
2508 static void rt2870_set_channel_cb(struct rt2870_softc *sc, void *arg)
2509 {
2510 struct ieee80211com *ic;
2511
2512 ic = &sc->ic;
2513
2514 RT2870_DPRINTF(sc, RT2870_DEBUG_CHAN,
2515 "%s: set channel: channel=%u, HT%s%s\n",
2516 device_get_nameunit(sc->dev),
2517 ieee80211_chan2ieee(ic, ic->ic_curchan),
2518 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2519 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2520 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2521 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2522
2523 rt2870_rf_set_chan(sc, ic->ic_curchan);
2524 }
2525
2526 /*
2527 * rt2870_newassoc_cb
2528 */
2529 static void rt2870_newassoc_cb(struct rt2870_softc *sc, void *arg)
2530 {
2531 struct ieee80211com *ic;
2532 struct ieee80211_node *ni;
2533 struct rt2870_cmd_argv_newassoc *cmd_argv;
2534 uint16_t associd;
2535 int isnew;
2536 uint8_t *macaddr, wcid;
2537
2538 ic = &sc->ic;
2539 ni = ic->ic_bss;
2540 cmd_argv = arg;
2541 associd = cmd_argv->associd;
2542 isnew = cmd_argv->isnew;
2543 macaddr = cmd_argv->macaddr;
2544
2545 wcid = RT2870_AID2WCID(associd);
2546
2547 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2548 "%s: new association: wcid=0x%02x, "
2549 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2550 device_get_nameunit(sc->dev), wcid,
2551 ether_sprintf(macaddr),
2552 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2553 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2554 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2555
2556 rt2870_io_mac_write_multi(sc, RT2870_REG_WCID(wcid),
2557 macaddr, IEEE80211_ADDR_LEN);
2558
2559 rt2870_amrr_node_init(&sc->amrr, &sc->amrr_node[wcid], ni);
2560
2561 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2562 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2563 device_get_nameunit(sc->dev),
2564 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2565 ni->ni_associd,
2566 (ni->ni_flags & IEEE80211_NODE_HT) ?
2567 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2568 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2569 (ni->ni_flags & IEEE80211_NODE_HT) ?
2570 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2571 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2572
2573 rt2870_asic_updateprot(sc);
2574 rt2870_asic_updateslot(sc);
2575 rt2870_asic_set_txpreamble(sc);
2576 }
2577
2578 /*
2579 * rt2870_updateslot_cb
2580 */
2581 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg)
2582 {
2583 rt2870_asic_updateslot(sc);
2584 }
2585
2586 /*
2587 * rt2870_wme_update_cb
2588 */
2589 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg)
2590 {
2591 rt2870_asic_wme_update(sc);
2592 }
2593
2594 /*
2595 * rt2870_update_beacon_cb
2596 */
2597 static void rt2870_update_beacon_cb(struct rt2870_softc *sc, void *arg)
2598 {
2599 struct rt2870_cmd_argv_updatebeacon *cmd_argv;
2600
2601 cmd_argv = arg;
2602
2603 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2604 "%s: update beacon\n",
2605 device_get_nameunit(sc->dev));
2606
2607 rt2870_asic_update_beacon(sc);
2608 }
2609
2610 /*
2611 * rt2870_key_update_begin_cb
2612 */
2613 static void rt2870_key_update_begin_cb(struct rt2870_softc *sc, void *arg)
2614 {
2615 struct ifnet *ifp;
2616
2617 ifp = sc->ifp;
2618
2619 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2620 "%s: key update begin\n",
2621 device_get_nameunit(sc->dev));
2622
2623 taskqueue_block(sc->taskqueue);
2624
2625 IF_LOCK(&ifp->if_snd);
2626 }
2627
2628 /*
2629 * rt2870_key_update_end_cb
2630 */
2631 static void rt2870_key_update_end_cb(struct rt2870_softc *sc, void *arg)
2632 {
2633 struct ifnet *ifp;
2634
2635 ifp = sc->ifp;
2636
2637 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2638 "%s: key update end\n",
2639 device_get_nameunit(sc->dev));
2640
2641 IF_UNLOCK(&ifp->if_snd);
2642
2643 taskqueue_unblock(sc->taskqueue);
2644 }
2645
2646 /*
2647 * rt2870_key_set_cb
2648 */
2649 static void rt2870_key_set_cb(struct rt2870_softc *sc, void *arg)
2650 {
2651 struct ieee80211com *ic;
2652 struct ieee80211_key *k;
2653 struct rt2870_cmd_argv_keyset *cmd_argv;
2654 uint16_t associd, key_base, keymode_base;
2655 uint8_t mode, vapid, wcid, iv[8];
2656 uint32_t tmp;
2657
2658 ic = &sc->ic;
2659 cmd_argv = arg;
2660 k = &cmd_argv->key;
2661 associd = cmd_argv->associd;
2662
2663 switch (k->wk_cipher->ic_cipher)
2664 {
2665 case IEEE80211_CIPHER_WEP:
2666 if(k->wk_keylen < 8)
2667 mode = RT2870_REG_CIPHER_MODE_WEP40;
2668 else
2669 mode = RT2870_REG_CIPHER_MODE_WEP104;
2670 break;
2671
2672 case IEEE80211_CIPHER_TKIP:
2673 mode = RT2870_REG_CIPHER_MODE_TKIP;
2674 break;
2675
2676 case IEEE80211_CIPHER_AES_CCM:
2677 mode = RT2870_REG_CIPHER_MODE_AES_CCMP;
2678 break;
2679
2680 default:
2681 return;
2682 }
2683
2684 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2685 "%s: set key: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2686 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2687 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2688
2689 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2690 {
2691 /* install pairwise key */
2692
2693 vapid = 0;
2694 wcid = RT2870_AID2WCID(associd);
2695 key_base = RT2870_REG_PKEY(wcid);
2696
2697 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2698 {
2699 memset(iv, 0, 8);
2700
2701 iv[3] = (k->wk_keyix << 6);
2702 }
2703 else
2704 {
2705 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2706 {
2707 iv[0] = (k->wk_keytsc >> 8);
2708 iv[1] = ((iv[0] | 0x20) & 0x7f);
2709 iv[2] = k->wk_keytsc;
2710 }
2711 else
2712 {
2713 /* AES CCMP */
2714
2715 iv[0] = k->wk_keytsc;
2716 iv[1] = k->wk_keytsc >> 8;
2717 iv[2] = 0;
2718 }
2719
2720 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2721 iv[4] = (k->wk_keytsc >> 16);
2722 iv[5] = (k->wk_keytsc >> 24);
2723 iv[6] = (k->wk_keytsc >> 32);
2724 iv[7] = (k->wk_keytsc >> 40);
2725
2726 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2727 "%s: set key: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2728 device_get_nameunit(sc->dev),
2729 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2730 }
2731
2732 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
2733
2734 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2735 {
2736 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2737
2738 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2739 {
2740 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2741 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2742 }
2743 else
2744 {
2745 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2746 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2747 }
2748 }
2749 else
2750 {
2751 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2752 }
2753
2754 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2755 (mode << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2756
2757 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2758 }
2759
2760 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2761 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2762 {
2763 /* install group key */
2764
2765 vapid = 0;
2766 key_base = RT2870_REG_SKEY(vapid, k->wk_keyix);
2767 keymode_base = RT2870_REG_SKEY_MODE(vapid);
2768
2769 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2770 {
2771 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2772
2773 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2774 {
2775 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2776 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2777 }
2778 else
2779 {
2780 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2781 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2782 }
2783 }
2784 else
2785 {
2786 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2787 }
2788
2789 tmp = rt2870_io_mac_read(sc, keymode_base);
2790
2791 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2792 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2793
2794 rt2870_io_mac_write(sc, keymode_base, tmp);
2795 }
2796 }
2797
2798 /*
2799 * rt2870_key_delete_cb
2800 */
2801 static void rt2870_key_delete_cb(struct rt2870_softc *sc, void *arg)
2802 {
2803 struct ieee80211com *ic;
2804 struct ieee80211_key *k;
2805 struct rt2870_cmd_argv_keydelete *cmd_argv;
2806 uint16_t associd;
2807 uint8_t vapid, wcid;
2808 uint32_t tmp;
2809
2810 ic = &sc->ic;
2811 cmd_argv = arg;
2812 k = &cmd_argv->key;
2813 associd = cmd_argv->associd;
2814
2815 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2816 "%s: delete key: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2817 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2818 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2819
2820 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2821 {
2822 /* remove pairwise key */
2823
2824 vapid = 0;
2825 wcid = RT2870_AID2WCID(associd);
2826
2827 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2828 (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2829
2830 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2831 }
2832 else
2833 {
2834 /* remove group key */
2835
2836 vapid = 0;
2837
2838 tmp = rt2870_io_mac_read(sc, RT2870_REG_SKEY_MODE(vapid));
2839
2840 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2841 tmp |= (RT2870_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2842
2843 rt2870_io_mac_write(sc, RT2870_REG_SKEY_MODE(vapid), tmp);
2844 }
2845 }
2846
2847 /*
2848 * rt2870_asic_set_bssid
2849 */
2850 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
2851 const uint8_t *bssid)
2852 {
2853 uint32_t tmp;
2854
2855 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2856 "%s: set bssid: bssid=%s\n",
2857 device_get_nameunit(sc->dev), ether_sprintf(bssid));
2858
2859 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2860
2861 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW0, tmp);
2862
2863 tmp = bssid[4] | (bssid[5] << 8);
2864
2865 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW1, tmp);
2866 }
2867
2868 /*
2869 * rt2870_asic_set_macaddr
2870 */
2871 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
2872 const uint8_t *addr)
2873 {
2874 uint32_t tmp;
2875
2876 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2877
2878 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW0, tmp);
2879
2880 tmp = addr[4] | (addr[5] << 8);
2881
2882 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW1, tmp);
2883 }
2884
2885 /*
2886 * rt2870_asic_enable_tsf_sync
2887 */
2888 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc)
2889 {
2890 struct ieee80211com *ic;
2891 uint32_t tmp;
2892
2893 ic = &sc->ic;
2894
2895 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2896 "%s: enabling TSF\n",
2897 device_get_nameunit(sc->dev));
2898
2899 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
2900
2901 tmp &= ~0x1fffff;
2902 tmp |= ic->ic_bss->ni_intval * 16;
2903 tmp |= (RT2870_REG_TSF_TIMER_ENABLE | RT2870_REG_TBTT_TIMER_ENABLE);
2904
2905 if (ic->ic_opmode == IEEE80211_M_STA)
2906 {
2907 tmp |= (RT2870_REG_TSF_SYNC_MODE_STA << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2908 }
2909 else if (ic->ic_opmode == IEEE80211_M_IBSS)
2910 {
2911 tmp |= RT2870_REG_BCN_TX_ENABLE;
2912 tmp |= (RT2870_REG_TSF_SYNC_MODE_IBSS << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2913 }
2914 else if (ic->ic_opmode == IEEE80211_M_HOSTAP)
2915 {
2916 tmp |= RT2870_REG_BCN_TX_ENABLE;
2917 tmp |= (RT2870_REG_TSF_SYNC_MODE_HOSTAP << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2918 }
2919
2920 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
2921 }
2922
2923 /*
2924 * rt2870_asic_disable_tsf_sync
2925 */
2926 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc)
2927 {
2928 uint32_t tmp;
2929
2930 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2931 "%s: disabling TSF\n",
2932 device_get_nameunit(sc->dev));
2933
2934 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
2935
2936 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
2937 RT2870_REG_TSF_TIMER_ENABLE |
2938 RT2870_REG_TBTT_TIMER_ENABLE);
2939
2940 tmp &= ~(RT2870_REG_TSF_SYNC_MODE_MASK << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2941 tmp |= (RT2870_REG_TSF_SYNC_MODE_DISABLE << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2942
2943 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
2944 }
2945
2946 /*
2947 * rt2870_asic_enable_mrr
2948 */
2949 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc)
2950 {
2951 #define CCK(mcs) (mcs)
2952 #define OFDM(mcs) ((1 << 3) | (mcs))
2953 #define HT(mcs) (mcs)
2954
2955 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG0,
2956 (OFDM(6) << 28) | /* 54 -> 48 */
2957 (OFDM(5) << 24) | /* 48 -> 36 */
2958 (OFDM(4) << 20) | /* 36 -> 24 */
2959 (OFDM(3) << 16) | /* 24 -> 18 */
2960 (OFDM(2) << 12) | /* 18 -> 12 */
2961 (OFDM(1) << 8) | /* 12 -> 9 */
2962 (OFDM(0) << 4) | /* 9 -> 6 */
2963 OFDM(0)); /* 6 -> 6 */
2964
2965 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG1,
2966 (CCK(2) << 12) | /* 11 -> 5.5 */
2967 (CCK(1) << 8) | /* 5.5 -> 2 */
2968 (CCK(0) << 4) | /* 2 -> 1 */
2969 CCK(0)); /* 1 -> 1 */
2970
2971 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG0,
2972 (HT(6) << 28) |
2973 (HT(5) << 24) |
2974 (HT(4) << 20) |
2975 (HT(3) << 16) |
2976 (HT(2) << 12) |
2977 (HT(1) << 8) |
2978 (HT(0) << 4) |
2979 HT(0));
2980
2981 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG1,
2982 (HT(14) << 28) |
2983 (HT(13) << 24) |
2984 (HT(12) << 20) |
2985 (HT(11) << 16) |
2986 (HT(10) << 12) |
2987 (HT(9) << 8) |
2988 (HT(8) << 4) |
2989 HT(7));
2990
2991 #undef HT
2992 #undef OFDM
2993 #undef CCK
2994 }
2995
2996 /*
2997 * rt2870_asic_set_txpreamble
2998 */
2999 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc)
3000 {
3001 struct ieee80211com *ic;
3002 uint32_t tmp;
3003
3004 ic = &sc->ic;
3005
3006 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3007 "%s: %s short Tx preamble\n",
3008 device_get_nameunit(sc->dev),
3009 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3010
3011 tmp = rt2870_io_mac_read(sc, RT2870_REG_AUTO_RSP_CFG);
3012
3013 tmp &= ~RT2870_REG_CCK_SHORT_ENABLE;
3014
3015 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3016 tmp |= RT2870_REG_CCK_SHORT_ENABLE;
3017
3018 rt2870_io_mac_write(sc, RT2870_REG_AUTO_RSP_CFG, tmp);
3019 }
3020
3021 /*
3022 * rt2870_asic_set_basicrates
3023 */
3024 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc)
3025 {
3026 struct ieee80211com *ic;
3027
3028 ic = &sc->ic;
3029
3030 if (ic->ic_curmode == IEEE80211_MODE_11B)
3031 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x3);
3032 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3033 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x150);
3034 else
3035 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x15f);
3036 }
3037
3038 /*
3039 * rt2870_asic_update_rtsthreshold
3040 */
3041 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc)
3042 {
3043 struct ieee80211com *ic;
3044 uint32_t tmp;
3045 uint16_t threshold;
3046
3047 ic = &sc->ic;
3048
3049 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3050 "%s: updating RTS threshold: %d\n",
3051 device_get_nameunit(sc->dev), ic->ic_rtsthreshold);
3052
3053 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_RTS_CFG);
3054
3055 tmp &= ~(RT2870_REG_TX_RTS_THRESHOLD_MASK << RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3056
3057 threshold = (ic->ic_rtsthreshold < IEEE80211_RTS_MAX) ?
3058 ic->ic_rtsthreshold : 0x1000;
3059
3060 tmp |= ((threshold & RT2870_REG_TX_RTS_THRESHOLD_MASK) <<
3061 RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3062
3063 rt2870_io_mac_write(sc, RT2870_REG_TX_RTS_CFG, tmp);
3064 }
3065
3066 /*
3067 * rt2870_asic_update_txpower
3068 */
3069 static void rt2870_asic_update_txpower(struct rt2870_softc *sc)
3070 {
3071 struct ieee80211com *ic;
3072 uint32_t *txpow_rate;
3073 int8_t delta;
3074 uint8_t val;
3075 uint32_t tmp;
3076 int i;
3077
3078 ic = &sc->ic;
3079
3080 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3081 "%s: updating Tx power: %d\n",
3082 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3083
3084 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3085 {
3086 txpow_rate = sc->txpow_rate_20mhz;
3087 }
3088 else
3089 {
3090 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3091 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3092 else
3093 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3094 }
3095
3096 delta = 0;
3097
3098 val = rt2870_io_bbp_read(sc, 1);
3099 val &= 0xfc;
3100
3101 if (ic->ic_txpowlimit > 90)
3102 {
3103 /* do nothing */
3104 }
3105 else if (ic->ic_txpowlimit > 60)
3106 {
3107 delta -= 1;
3108 }
3109 else if (ic->ic_txpowlimit > 30)
3110 {
3111 delta -= 3;
3112 }
3113 else if (ic->ic_txpowlimit > 15)
3114 {
3115 val |= 0x1;
3116 }
3117 else if (ic->ic_txpowlimit > 9)
3118 {
3119 val |= 0x1;
3120 delta -= 3;
3121 }
3122 else
3123 {
3124 val |= 0x2;
3125 }
3126
3127 rt2870_io_bbp_write(sc, 1, val);
3128
3129 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
3130 {
3131 if (txpow_rate[i] == 0xffffffff)
3132 continue;
3133
3134 tmp = rt2870_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3135
3136 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i), tmp);
3137 }
3138 }
3139
3140 /*
3141 * rt2870_asic_update_promisc
3142 */
3143 static void rt2870_asic_update_promisc(struct rt2870_softc *sc)
3144 {
3145 struct ifnet *ifp;
3146 uint32_t tmp;
3147
3148 ifp = sc->ic.ic_ifp;
3149
3150 printf("%s: %s promiscuous mode\n",
3151 device_get_nameunit(sc->dev),
3152 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3153
3154 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_FILTER_CFG);
3155
3156 tmp &= ~RT2870_REG_RX_FILTER_DROP_UC_NOME;
3157
3158 if (!(ifp->if_flags & IFF_PROMISC))
3159 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
3160
3161 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
3162 }
3163
3164 /*
3165 * rt2870_asic_updateprot
3166 */
3167 static void rt2870_asic_updateprot(struct rt2870_softc *sc)
3168 {
3169 struct ieee80211com *ic;
3170 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3171 uint8_t htopmode;
3172 enum ieee80211_protmode htprotmode;
3173
3174 ic = &sc->ic;
3175
3176 /* CCK frame protection */
3177
3178 cck_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3179 RT2870_REG_TXOP_ALLOW_ALL | RT2870_REG_PROT_CTRL_NONE;
3180
3181 /* set up protection frame phy mode and rate (MCS code) */
3182
3183 if (ic->ic_curmode == IEEE80211_MODE_11A)
3184 cck_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3185 (0 << RT2870_REG_PROT_MCS_SHIFT);
3186 else
3187 cck_prot |= ((RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3188 (3 << RT2870_REG_PROT_MCS_SHIFT));
3189
3190 rt2870_io_mac_write(sc, RT2870_REG_TX_CCK_PROT_CFG, cck_prot);
3191
3192 /* OFDM frame protection */
3193
3194 ofdm_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3195 RT2870_REG_TXOP_ALLOW_ALL;
3196
3197 if (ic->ic_flags & IEEE80211_F_USEPROT)
3198 {
3199 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3200 "%s: updating protection mode: b/g protection mode=%s\n",
3201 device_get_nameunit(sc->dev),
3202 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3203 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3204
3205 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3206 ofdm_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3207 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3208 ofdm_prot |= RT2870_REG_PROT_CTRL_CTS;
3209 else
3210 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3211 }
3212 else
3213 {
3214 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3215 "%s: updating protection mode: b/g protection mode=%s\n",
3216 device_get_nameunit(sc->dev), "none");
3217
3218 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3219 }
3220
3221 rt2870_io_mac_write(sc, RT2870_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3222
3223 /* HT frame protection */
3224
3225 if ((ic->ic_opmode == IEEE80211_M_STA) && (ic->ic_state == IEEE80211_S_RUN))
3226 htopmode = ic->ic_bss->ni_htopmode;
3227 else
3228 htopmode = ic->ic_curhtprotmode;
3229
3230 htprotmode = ic->ic_htprotmode;
3231
3232 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3233
3234 if (sc->tx_ampdu_sessions > 0)
3235 {
3236 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3237 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3238 device_get_nameunit(sc->dev));
3239
3240 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3241 htprotmode = IEEE80211_PROT_RTSCTS;
3242 }
3243
3244 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3245 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3246 device_get_nameunit(sc->dev),
3247 htopmode & IEEE80211_HTINFO_OPMODE,
3248 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3249 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3250
3251 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3252 {
3253 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3254 case IEEE80211_HTINFO_OPMODE_HT20PR:
3255 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3256 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3257 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3258 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3259 (4 << RT2870_REG_PROT_MCS_SHIFT);
3260
3261 gf20_prot = mm20_prot;
3262
3263 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3264 RT2870_REG_TXOP_ALLOW_ALL |
3265 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3266 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3267
3268 if (htprotmode == IEEE80211_PROT_RTSCTS)
3269 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3270 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3271 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3272 else
3273 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3274
3275 gf40_prot = mm40_prot;
3276 break;
3277
3278 /* IEEE80211_HTINFO_OPMODE_MIXED */
3279 case IEEE80211_HTINFO_OPMODE_MIXED:
3280 mm20_prot = RT2870_REG_PROT_NAV_SHORT |
3281 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3282 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20;
3283
3284 if (ic->ic_flags & IEEE80211_F_USEPROT)
3285 mm20_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3286 (3 << RT2870_REG_PROT_MCS_SHIFT);
3287 else
3288 mm20_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3289 (4 << RT2870_REG_PROT_MCS_SHIFT);
3290
3291 if (htprotmode == IEEE80211_PROT_RTSCTS)
3292 mm20_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3293 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3294 mm20_prot |= RT2870_REG_PROT_CTRL_CTS;
3295 else
3296 mm20_prot |= RT2870_REG_PROT_CTRL_NONE;
3297
3298 gf20_prot = mm20_prot;
3299
3300 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_TXOP_ALLOW_ALL;
3301
3302 if (ic->ic_flags & IEEE80211_F_USEPROT)
3303 mm40_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3304 (3 << RT2870_REG_PROT_MCS_SHIFT);
3305 else
3306 mm40_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3307 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3308
3309 if (htprotmode == IEEE80211_PROT_RTSCTS)
3310 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3311 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3312 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3313 else
3314 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3315
3316 gf40_prot = mm40_prot;
3317 break;
3318
3319 /*
3320 * IEEE80211_HTINFO_OPMODE_PURE
3321 * IEEE80211_HTINFO_OPMODE_PROTOPT
3322 */
3323 case IEEE80211_HTINFO_OPMODE_PURE:
3324 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3325 default:
3326 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3327 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3328 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3329 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3330 (4 << RT2870_REG_PROT_MCS_SHIFT);
3331
3332 gf20_prot = mm20_prot;
3333
3334 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3335 RT2870_REG_TXOP_ALLOW_ALL |
3336 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3337 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3338
3339 gf40_prot = mm40_prot;
3340 break;
3341 }
3342
3343 rt2870_io_mac_write(sc, RT2870_REG_TX_MM20_PROT_CFG, mm20_prot);
3344 rt2870_io_mac_write(sc, RT2870_REG_TX_MM40_PROT_CFG, mm40_prot);
3345 rt2870_io_mac_write(sc, RT2870_REG_TX_GF20_PROT_CFG, gf20_prot);
3346 rt2870_io_mac_write(sc, RT2870_REG_TX_GF40_PROT_CFG, gf40_prot);
3347 }
3348
3349 /*
3350 * rt2870_asic_updateslot
3351 */
3352 static void rt2870_asic_updateslot(struct rt2870_softc *sc)
3353 {
3354 struct ieee80211com *ic;
3355 uint32_t tmp;
3356
3357 ic = &sc->ic;
3358
3359 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3360 "%s: %s short slot time\n",
3361 device_get_nameunit(sc->dev),
3362 (ic->ic_flags & IEEE80211_F_SHSLOT) ? "enabling" : "disabling");
3363
3364 tmp = rt2870_io_mac_read(sc, RT2870_REG_BKOFF_SLOT_CFG);
3365
3366 tmp &= ~0xff;
3367 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
3368
3369 rt2870_io_mac_write(sc, RT2870_REG_BKOFF_SLOT_CFG, tmp);
3370 }
3371
3372 /*
3373 * rt2870_asic_wme_update
3374 */
3375 static void rt2870_asic_wme_update(struct rt2870_softc *sc)
3376 {
3377 struct ieee80211com *ic;
3378 struct ieee80211_wme_state *wme;
3379 const struct wmeParams *wmep;
3380 int i;
3381
3382 ic = &sc->ic;
3383 wme = &ic->ic_wme;
3384 wmep = wme->wme_chanParams.cap_wmeParams;
3385
3386 RT2870_DPRINTF(sc, RT2870_DEBUG_WME,
3387 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3388 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3389 device_get_nameunit(sc->dev),
3390 wmep[WME_AC_VO].wmep_aifsn,
3391 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3392 wmep[WME_AC_VO].wmep_txopLimit,
3393 wmep[WME_AC_VI].wmep_aifsn,
3394 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3395 wmep[WME_AC_VI].wmep_txopLimit,
3396 wmep[WME_AC_BK].wmep_aifsn,
3397 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3398 wmep[WME_AC_BK].wmep_txopLimit,
3399 wmep[WME_AC_BE].wmep_aifsn,
3400 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3401 wmep[WME_AC_BE].wmep_txopLimit);
3402
3403 for (i = 0; i < WME_NUM_AC; i++)
3404 rt2870_io_mac_write(sc, RT2870_REG_TX_EDCA_AC_CFG(i),
3405 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3406 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3407
3408 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_AIFSN_CFG,
3409 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3410 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3411
3412 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMIN_CFG,
3413 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3414 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3415
3416 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMAX_CFG,
3417 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3418 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3419
3420 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG,
3421 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3422
3423 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
3424 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3425 }
3426
3427 /*
3428 * rt2870_asic_update_beacon
3429 */
3430 static int rt2870_asic_update_beacon(struct rt2870_softc *sc)
3431 {
3432 struct ieee80211com *ic;
3433 struct mbuf *m;
3434 struct rt2870_txwi txwi;
3435 uint8_t rate, mcs;
3436 uint32_t tmp;
3437
3438 ic = &sc->ic;
3439
3440 m = ieee80211_beacon_alloc(ic->ic_bss, &sc->beacon_offsets);
3441 if (m == NULL)
3442 return ENOMEM;
3443
3444 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3445 mcs = rt2870_rate2mcs(rate);
3446
3447 memset(&txwi, 0, sizeof(struct rt2870_txwi));
3448
3449 txwi.wcid = 0xff;
3450 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2870_TXWI_MPDU_LEN_MASK) <<
3451 RT2870_TXWI_MPDU_LEN_SHIFT);
3452 txwi.txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
3453 txwi.mpdu_density_flags |=
3454 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
3455 txwi.bawin_size_xflags |=
3456 (RT2870_TXWI_XFLAGS_NSEQ << RT2870_TXWI_XFLAGS_SHIFT);
3457
3458 if (rate == 2)
3459 {
3460 txwi.phymode_ifs_stbc_shortgi =
3461 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
3462
3463 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3464 mcs |= RT2870_TXWI_MCS_SHOTPRE;
3465 }
3466 else
3467 {
3468 txwi.phymode_ifs_stbc_shortgi =
3469 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
3470 }
3471
3472 txwi.bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
3473 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
3474
3475 /* disable temporarily TSF sync */
3476
3477 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3478
3479 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
3480 RT2870_REG_TSF_TIMER_ENABLE |
3481 RT2870_REG_TBTT_TIMER_ENABLE);
3482
3483 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3484
3485 /* write Tx wireless info and beacon frame to on-chip memory */
3486
3487 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0),
3488 &txwi, sizeof(struct rt2870_txwi));
3489
3490 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0) + sizeof(struct rt2870_txwi),
3491 mtod(m, uint8_t *), m->m_pkthdr.len);
3492
3493 /* enable again TSF sync */
3494
3495 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3496
3497 tmp |= (RT2870_REG_BCN_TX_ENABLE |
3498 RT2870_REG_TSF_TIMER_ENABLE |
3499 RT2870_REG_TBTT_TIMER_ENABLE);
3500
3501 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3502
3503 m_freem(m);
3504
3505 return 0;
3506 }
3507
3508 /*
3509 * rt2870_asic_clear_keytables
3510 */
3511 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc)
3512 {
3513 int i;
3514
3515 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3516
3517 for (i = 0; i < 256; i++)
3518 {
3519 rt2870_io_mac_write(sc, RT2870_REG_WCID(i), 0xffffffff);
3520 rt2870_io_mac_write(sc, RT2870_REG_WCID(i) + 4, 0x0000ffff);
3521 }
3522
3523 /* clear WCID attribute table (entries = 256, entry size = 4) */
3524
3525 rt2870_io_mac_set_region_4(sc, RT2870_REG_WCID_ATTR(0), 0, 256);
3526
3527 /* clear IV/EIV table (entries = 256, entry size = 8) */
3528
3529 rt2870_io_mac_set_region_4(sc, RT2870_REG_IVEIV(0), 0, 2 * 256);
3530
3531 /* clear pairwise key table (entries = 256, entry size = 32) */
3532
3533 rt2870_io_mac_set_region_4(sc, RT2870_REG_PKEY(0), 0, 8 * 256);
3534
3535 /* clear shared key table (entries = 32, entry size = 32) */
3536
3537 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY(0, 0), 0, 8 * 32);
3538
3539 /* clear shared key mode (entries = 32, entry size = 2) */
3540
3541 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY_MODE(0), 0, 16);
3542 }
3543
3544 /*
3545 * rt2870_rxrate
3546 */
3547 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi)
3548 {
3549 uint8_t mcs, phymode;
3550 uint8_t rate;
3551
3552 mcs = (rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK;
3553 phymode = (rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3554 RT2870_RXWI_PHYMODE_MASK;
3555
3556 rate = 2;
3557
3558 switch (phymode)
3559 {
3560 case RT2870_RXWI_PHYMODE_CCK:
3561 switch (mcs & ~RT2870_RXWI_MCS_SHOTPRE)
3562 {
3563 case 0: rate = 2; break; /* 1 Mbps */
3564 case 1: rate = 4; break; /* 2 MBps */
3565 case 2: rate = 11; break; /* 5.5 Mbps */
3566 case 3: rate = 22; break; /* 11 Mbps */
3567 }
3568 break;
3569
3570 case RT2870_RXWI_PHYMODE_OFDM:
3571 switch (mcs)
3572 {
3573 case 0: rate = 12; break; /* 6 Mbps */
3574 case 1: rate = 18; break; /* 9 Mbps */
3575 case 2: rate = 24; break; /* 12 Mbps */
3576 case 3: rate = 36; break; /* 18 Mbps */
3577 case 4: rate = 48; break; /* 24 Mbps */
3578 case 5: rate = 72; break; /* 36 Mbps */
3579 case 6: rate = 96; break; /* 48 Mbps */
3580 case 7: rate = 108; break; /* 54 Mbps */
3581 }
3582 break;
3583
3584 case RT2870_RXWI_PHYMODE_HT_MIXED:
3585 case RT2870_RXWI_PHYMODE_HT_GF:
3586 break;
3587 }
3588
3589 return rate;
3590 }
3591
3592 /*
3593 * rt2870_maxrssi_rxpath
3594 */
3595 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
3596 const struct rt2870_rxwi *rxwi)
3597 {
3598 uint8_t rxpath;
3599
3600 rxpath = 0;
3601
3602 if (sc->nrxpath > 1)
3603 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3604 rxpath = 1;
3605
3606 if (sc->nrxpath > 2)
3607 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3608 rxpath = 2;
3609
3610 return rxpath;
3611 }
3612
3613 /*
3614 * rt2870_rssi2dbm
3615 */
3616 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
3617 uint8_t rssi, uint8_t rxpath)
3618 {
3619 struct ieee80211com *ic;
3620 struct ieee80211_channel *c;
3621 int chan;
3622 int8_t rssi_off, lna_gain;
3623
3624 if (rssi == 0)
3625 return -99;
3626
3627 ic = &sc->ic;
3628 c = ic->ic_curchan;
3629 chan = ieee80211_chan2ieee(ic, c);
3630
3631 if (IEEE80211_IS_CHAN_5GHZ(c))
3632 {
3633 rssi_off = sc->rssi_off_5ghz[rxpath];
3634
3635 if (chan <= 64)
3636 lna_gain = sc->lna_gain[1];
3637 else if (chan <= 128)
3638 lna_gain = sc->lna_gain[2];
3639 else
3640 lna_gain = sc->lna_gain[3];
3641 }
3642 else
3643 {
3644 rssi_off = sc->rssi_off_2ghz[rxpath];
3645 lna_gain = sc->lna_gain[0];
3646 }
3647
3648 return (-12 - rssi_off - lna_gain - rssi);
3649 }
3650
3651 /*
3652 * rt2870_rate2mcs
3653 */
3654 static uint8_t rt2870_rate2mcs(uint8_t rate)
3655 {
3656 switch (rate)
3657 {
3658 /* CCK rates */
3659 case 2: return 0;
3660 case 4: return 1;
3661 case 11: return 2;
3662 case 22: return 3;
3663
3664 /* OFDM rates */
3665 case 12: return 0;
3666 case 18: return 1;
3667 case 24: return 2;
3668 case 36: return 3;
3669 case 48: return 4;
3670 case 72: return 5;
3671 case 96: return 6;
3672 case 108: return 7;
3673 }
3674
3675 return 0;
3676 }
3677
3678 /*
3679 * rt2870_ackrate
3680 */
3681 static int rt2870_ackrate(struct ieee80211com *ic, int rate)
3682 {
3683 switch (rate)
3684 {
3685 /* CCK rates */
3686
3687 case 2:
3688 return 2;
3689
3690 case 4:
3691 case 11:
3692 case 22:
3693 return (ic->ic_curmode == IEEE80211_MODE_11B) ? 4 : rate;
3694
3695 /* OFDM rates */
3696
3697 case 12:
3698 case 18:
3699 return 12;
3700
3701 case 24:
3702 case 36:
3703 return 24;
3704
3705 case 48:
3706 case 72:
3707 case 96:
3708 case 108:
3709 return 48;
3710 }
3711
3712 /* default to 1Mbps */
3713 return 2;
3714 }
3715
3716 /*
3717 * rt2870_txtime
3718 */
3719 static uint16_t rt2870_txtime(int len, int rate, uint32_t flags)
3720 {
3721 uint16_t txtime;
3722
3723 if (RT2870_RATE_IS_OFDM(rate))
3724 {
3725 txtime = (8 + 4 * len + 3 + rate - 1) / rate;
3726 txtime = 16 + 4 + 4 * txtime + 6;
3727 }
3728 else
3729 {
3730 txtime = (16 * len + rate - 1) / rate;
3731
3732 if (rate != 2 && (flags & IEEE80211_F_SHPREAMBLE))
3733 txtime += 72 + 24;
3734 else
3735 txtime += 144 + 48;
3736 }
3737
3738 return txtime;
3739 }
3740
3741 /*
3742 * rt2870_rx_frame
3743 */
3744 static void rt2870_rx_frame(struct rt2870_softc *sc,
3745 uint8_t *buf, uint32_t dmalen)
3746 {
3747 struct ieee80211com *ic;
3748 struct ifnet *ifp;
3749 struct ieee80211_frame *wh;
3750 struct ieee80211_node *ni;
3751 struct rt2870_softc_rx_radiotap_header *tap;
3752 struct rt2870_rxwi *rxwi;
3753 struct rt2870_rxinfo *rxinfo;
3754 struct mbuf *m;
3755 uint32_t rxinfo_flags;
3756 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
3757 int8_t rssi_dbm;
3758 int len, ampdu, amsdu;
3759
3760 ic = &sc->ic;
3761 ifp = ic->ic_ifp;
3762
3763 /* get Rx wireless info */
3764
3765 rxwi = (struct rt2870_rxwi *) buf;
3766 len = (le16toh(rxwi->tid_size) >> RT2870_RXWI_SIZE_SHIFT) &
3767 RT2870_RXWI_SIZE_MASK;
3768
3769 if (len > dmalen)
3770 {
3771 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3772 "%s: bad rxwi len: DMA len=%d, rxwi len=%d\n",
3773 device_get_nameunit(sc->dev), dmalen, len);
3774 return;
3775 }
3776
3777 /* get Rx info */
3778
3779 rxinfo = (struct rt2870_rxinfo *) ((caddr_t) rxwi + dmalen);
3780 rxinfo_flags = le32toh(rxinfo->flags);
3781
3782 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3783 "%s: Rx frame: DMA len=%d, len=%d, rxinfo flags=0x%08x\n",
3784 device_get_nameunit(sc->dev), dmalen, len, rxinfo_flags);
3785
3786 /* check for crc errors */
3787
3788 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
3789 {
3790 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3791 "%s: rxinfo: crc error\n",
3792 device_get_nameunit(sc->dev));
3793
3794 ifp->if_ierrors++;
3795
3796 if (!(ifp->if_flags & IFF_PROMISC))
3797 return;
3798 }
3799
3800 wh = (struct ieee80211_frame *) (rxwi + 1);
3801
3802 /* check for L2 padding between IEEE 802.11 frame header and body */
3803
3804 if (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD)
3805 {
3806 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3807 "%s: L2 padding: DMA len=%d, len=%d\n",
3808 device_get_nameunit(sc->dev), dmalen, len);
3809
3810 len += 2;
3811 }
3812
3813 m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
3814 if (m == NULL)
3815 {
3816 sc->rx_mbuf_alloc_errors++;
3817 ifp->if_ierrors++;
3818 return;
3819 }
3820
3821 m->m_pkthdr.rcvif = ifp;
3822 m->m_pkthdr.len = m->m_len = len;
3823
3824 m_copyback(m, 0, len, (caddr_t) wh);
3825
3826 wh = mtod(m, struct ieee80211_frame *);
3827
3828 /* check for cipher errors */
3829
3830 if (rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED)
3831 {
3832 cipher_err = ((rxinfo_flags >> RT2870_RXINFO_FLAGS_CIPHER_ERR_SHIFT) &
3833 RT2870_RXINFO_FLAGS_CIPHER_ERR_MASK);
3834 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_NONE)
3835 {
3836 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3837 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3838
3839 m->m_flags |= M_WEP;
3840 }
3841 else
3842 {
3843 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3844 "%s: rxinfo: cipher error=0x%02x\n",
3845 device_get_nameunit(sc->dev), cipher_err);
3846
3847 ifp->if_ierrors++;
3848
3849 if (!(ifp->if_flags & IFF_PROMISC))
3850 {
3851 m_free(m);
3852 return;
3853 }
3854 }
3855 }
3856 else
3857 {
3858 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3859 {
3860 ifp->if_ierrors++;
3861
3862 if (!(ifp->if_flags & IFF_PROMISC))
3863 {
3864 m_free(m);
3865 return;
3866 }
3867 }
3868 }
3869
3870 /* check for A-MPDU */
3871
3872 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMPDU)
3873 {
3874 m->m_flags |= M_AMPDU;
3875
3876 sc->rx_ampdu++;
3877
3878 ampdu = 1;
3879 }
3880 else
3881 {
3882 ampdu = 0;
3883 }
3884
3885 /* check for A-MSDU */
3886
3887 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMSDU)
3888 {
3889 sc->rx_amsdu++;
3890
3891 amsdu = 1;
3892 }
3893 else
3894 {
3895 amsdu = 0;
3896 }
3897
3898 ant = rt2870_maxrssi_rxpath(sc, rxwi);
3899 rssi = rxwi->rssi[ant];
3900 rssi_dbm = rt2870_rssi2dbm(sc, rssi, ant);
3901 phymode = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3902 RT2870_RXWI_PHYMODE_MASK);
3903 bw = ((rxwi->bw_mcs >> RT2870_RXWI_BW_SHIFT) & RT2870_RXWI_BW_MASK);
3904 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_SHORTGI_SHIFT) &
3905 RT2870_RXWI_SHORTGI_MASK);
3906 mcs = ((rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK);
3907
3908 if (bpf_peers_present(sc->drvbpf))
3909 {
3910 tap = &sc->rxtap;
3911
3912 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
3913 tap->dbm_antsignal = rssi_dbm;
3914 tap->dbm_antnoise = RT2870_NOISE_FLOOR;
3915 tap->antenna = ant;
3916 tap->antsignal = rssi;
3917 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3918 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3919 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3920 tap->chan_maxpow = 0;
3921
3922 if (phymode == RT2870_RXWI_PHYMODE_CCK || phymode == RT2870_RXWI_PHYMODE_OFDM)
3923 tap->rate = rt2870_rxrate(rxwi);
3924 else
3925 tap->rate = mcs | IEEE80211_RATE_MCS;
3926
3927 if (rxwi->bw_mcs & RT2870_RXWI_MCS_SHOTPRE)
3928 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3929
3930 if (shortgi)
3931 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3932
3933 bpf_mtap2(sc->drvbpf, tap, sc->rxtap_len, m);
3934 }
3935
3936 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3937 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
3938 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d\n",
3939 device_get_nameunit(sc->dev),
3940 len, phymode, bw, shortgi, mcs,
3941 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
3942 rxwi->snr[0], rxwi->snr[1],
3943 rxwi->wcid, ampdu, amsdu);
3944
3945 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
3946
3947 ieee80211_input(ic, m, ni, rssi_dbm, RT2870_NOISE_FLOOR, 0);
3948
3949 ieee80211_free_node(ni);
3950 }
3951
3952 /*
3953 * rt2870_tx_frame
3954 */
3955 static int rt2870_tx_frame(struct rt2870_softc *sc,
3956 struct mbuf *m, struct ieee80211_node *ni, int qid)
3957 {
3958 struct ieee80211com *ic;
3959 struct rt2870_softc_tx_ring *ring;
3960 struct rt2870_softc_tx_data *data;
3961 struct rt2870_txinfo *txinfo;
3962 struct rt2870_txwi *txwi;
3963 struct ieee80211_frame *wh;
3964 struct ieee80211_tx_ampdu *tx_ampdu;
3965 struct rt2870_softc_tx_radiotap_header *tap;
3966 u_int hdrsize, hdrspace;
3967 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size;
3968 uint16_t qos, len, dmalen, mpdu_len, dur;
3969 int hasqos, ac, ampdu, ackrate;
3970
3971 ic = &sc->ic;
3972
3973 ring = &sc->tx_ring[qid];
3974 data = STAILQ_FIRST(&ring->inactive);
3975 STAILQ_REMOVE_HEAD(&ring->inactive, next);
3976 txinfo = (struct rt2870_txinfo *) data->buf;
3977 txwi = (struct rt2870_txwi *) (txinfo + 1);
3978
3979 wh = mtod(m, struct ieee80211_frame *);
3980
3981 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
3982
3983 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
3984 if (hasqos)
3985 {
3986 if (IEEE80211_HAS_ADDR4(wh))
3987 qos = le16toh(*(const uint16_t *)
3988 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
3989 else
3990 qos = le16toh(*(const uint16_t *)
3991 (((struct ieee80211_qosframe *) wh)->i_qos));
3992 }
3993 else
3994 {
3995 qos = 0;
3996 }
3997
3998 if (ni->ni_flags & IEEE80211_NODE_HT)
3999 {
4000 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
4001 rate = 0;
4002 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
4003 rate = ic->ic_fixed_rate;
4004 else
4005 rate = ni->ni_htrates.rs_rates[ni->ni_txrate];
4006 }
4007 else
4008 {
4009 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
4010 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
4011 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
4012 rate = ic->ic_fixed_rate;
4013 else
4014 rate = ni->ni_rates.rs_rates[ni->ni_txrate];
4015 }
4016
4017 rate &= IEEE80211_RATE_VAL;
4018
4019 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4020
4021 /* align end on a 4-bytes boundary */
4022
4023 dmalen = (len + 3) & ~3;
4024
4025 /* fill Tx info */
4026
4027 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4028
4029 txinfo->len = htole16(dmalen);
4030
4031 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4032
4033 /* fill Tx wireless info */
4034
4035 if (ni->ni_flags & IEEE80211_NODE_HT)
4036 mcs = rate;
4037 else
4038 mcs = rt2870_rate2mcs(rate);
4039
4040 pid = mcs;
4041
4042 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
4043 RT2870_AID2WCID(ni->ni_associd) : 0xff;
4044
4045 /* calculate MPDU length without padding */
4046
4047 hdrsize = ieee80211_hdrsize(wh);
4048 hdrspace = ieee80211_hdrspace(ic, wh);
4049 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4050
4051 memset(txwi, 0, sizeof(struct rt2870_txwi));
4052
4053 txwi->wcid = wcid;
4054
4055 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4056 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4057 RT2870_TXWI_MPDU_LEN_SHIFT);
4058
4059 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
4060
4061 shortgi = (ic->ic_flags_ext & (IEEE80211_FEXT_SHORTGI20 | IEEE80211_FEXT_SHORTGI40)) &&
4062 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40));
4063
4064 txwi->phymode_ifs_stbc_shortgi |=
4065 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4066 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4067
4068 if (ni->ni_flags & IEEE80211_NODE_HT)
4069 {
4070 txwi->phymode_ifs_stbc_shortgi |=
4071 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4072 }
4073 else
4074 {
4075 if (!RT2870_RATE_IS_OFDM(rate))
4076 {
4077 txwi->phymode_ifs_stbc_shortgi |=
4078 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4079
4080 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4081 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4082 }
4083 else
4084 {
4085 txwi->phymode_ifs_stbc_shortgi |=
4086 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4087 }
4088 }
4089
4090 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4091 bw = RT2870_TXWI_BW_40;
4092 else
4093 bw = RT2870_TXWI_BW_20;
4094
4095 txwi->bw_mcs = ((bw & RT2870_TXWI_BW_MASK) << RT2870_TXWI_BW_SHIFT) |
4096 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4097
4098 if (type != IEEE80211_FC0_TYPE_DATA)
4099 txwi->txop = (RT2870_TXWI_TXOP_BACKOFF << RT2870_TXWI_TXOP_SHIFT);
4100 else
4101 txwi->txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
4102
4103 /* skip ACKs for multicast frames and probe responses */
4104
4105 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4106 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) !=
4107 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) &&
4108 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4109 {
4110 txwi->bawin_size_xflags |=
4111 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4112
4113 if (ni->ni_flags & IEEE80211_NODE_HT)
4114 {
4115 /* preamble + plcp + signal extension + SIFS */
4116
4117 dur = 16 + 4 + 6 + 10;
4118 }
4119 else
4120 {
4121 ackrate = rt2870_ackrate(ic, rate);
4122
4123 dur = rt2870_txtime(RT2870_ACK_SIZE, ackrate, ic->ic_flags) +
4124 sc->sifs;
4125 }
4126
4127 *(uint16_t *) wh->i_dur = htole16(dur);
4128 }
4129
4130 /* check fo A-MPDU */
4131
4132 if ((qos & IEEE80211_QOS_ACKPOLICY) == IEEE80211_QOS_ACKPOLICY_BA)
4133 {
4134 ac = M_WME_GETAC(m);
4135 tx_ampdu = &ni->ni_tx_ampdu[ac];
4136
4137 mpdu_density = RT2870_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4138 bawin_size = 13; //tx_ampdu->txa_wnd;
4139
4140 txwi->mpdu_density_flags |=
4141 ((mpdu_density & RT2870_TXWI_MPDU_DENSITY_MASK) << RT2870_TXWI_MPDU_DENSITY_SHIFT) |
4142 (RT2870_TXWI_FLAGS_AMPDU << RT2870_TXWI_FLAGS_SHIFT);
4143
4144 txwi->bawin_size_xflags |=
4145 ((bawin_size & RT2870_TXWI_BAWIN_SIZE_MASK) << RT2870_TXWI_BAWIN_SIZE_SHIFT);
4146
4147 if (IEEE80211_HAS_ADDR4(wh))
4148 ((struct ieee80211_qosframe_addr4 *) wh)->i_qos[0] &= ~IEEE80211_QOS_ACKPOLICY;
4149 else
4150 ((struct ieee80211_qosframe *) wh)->i_qos[0] &= ~IEEE80211_QOS_ACKPOLICY;
4151
4152 ampdu = 1;
4153 }
4154 else
4155 {
4156 ampdu = 0;
4157 }
4158
4159 /* ask MAC to insert timestamp into probe responses */
4160
4161 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4162 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4163 txwi->mpdu_density_flags |=
4164 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4165
4166 if (bpf_peers_present(sc->drvbpf))
4167 {
4168 tap = &sc->txtap;
4169
4170 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4171 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4172 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4173 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4174 tap->chan_maxpow = 0;
4175
4176 if (ni->ni_flags & IEEE80211_NODE_HT)
4177 tap->rate = mcs | IEEE80211_RATE_MCS;
4178 else
4179 tap->rate = rate;
4180
4181 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4182 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4183
4184 if (shortgi)
4185 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4186
4187 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4188 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4189
4190 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4191 {
4192 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4193
4194 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
4195
4196 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4197 }
4198 else
4199 {
4200 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
4201 }
4202 }
4203
4204 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4205
4206 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4207 "%s: sending frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4208 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, ampdu=%d, DMA len=%d\n",
4209 device_get_nameunit(sc->dev),
4210 qid, hdrsize, hdrspace, m->m_pkthdr.len, bw, stbc, shortgi, mcs, wcid, ampdu, dmalen);
4211
4212 data->m = m;
4213 data->ni = ni;
4214
4215 STAILQ_INSERT_TAIL(&ring->active, data, next);
4216 ring->queued++;
4217
4218 usbd_setup_xfer(data->xfer, ring->usb_pipe, ring, data->buf, len,
4219 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, RT2870_USB_XFER_TIMEOUT, rt2870_tx_intr);
4220
4221 usbd_transfer(data->xfer);
4222
4223 return 0;
4224 }
4225
4226 /*
4227 * rt2870_tx_raw
4228 */
4229 static int rt2870_tx_raw(struct rt2870_softc *sc,
4230 struct mbuf *m, struct ieee80211_node *ni,
4231 const struct ieee80211_bpf_params *params)
4232 {
4233 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4234 "%s: Tx raw\n",
4235 device_get_nameunit(sc->dev));
4236
4237 return 0;
4238 }
4239
4240 /*
4241 * rt2870_rx_intr
4242 */
4243 static void rt2870_rx_intr(usbd_xfer_handle xfer,
4244 usbd_private_handle priv, usbd_status status)
4245 {
4246 struct rt2870_softc *sc;
4247 struct ifnet *ifp;
4248 struct rt2870_softc_rx_ring *ring;
4249 struct rt2870_softc_rx_data *data;
4250 int len;
4251
4252 sc = priv;
4253 ifp = sc->ifp;
4254 ring = &sc->rx_ring;
4255
4256 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4257 return;
4258
4259 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4260 "%s: Rx interrupt: %s\n",
4261 device_get_nameunit(sc->dev), usbd_errstr(status));
4262
4263 sc->interrupts++;
4264 sc->rx_interrupts++;
4265
4266 switch (status)
4267 {
4268 case USBD_NORMAL_COMPLETION:
4269 data = STAILQ_FIRST(&ring->active);
4270 if (data == NULL)
4271 break;
4272
4273 STAILQ_REMOVE_HEAD(&ring->active, next);
4274
4275 KASSERT(data->xfer == xfer,
4276 ("%s: Rx interrupt: invalid USB xfer\n",
4277 device_get_nameunit(sc->dev)));
4278
4279 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL);
4280
4281 data->len = len;
4282
4283 STAILQ_INSERT_TAIL(&ring->done, data, next);
4284
4285 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4286 break;
4287
4288 case USBD_CANCELLED:
4289 case USBD_NOT_STARTED:
4290 break;
4291
4292 default:
4293 if (status == USBD_STALLED)
4294 usbd_clear_endpoint_stall_async(ring->usb_pipe);
4295
4296 data = STAILQ_FIRST(&ring->active);
4297 if (data != NULL)
4298 {
4299 STAILQ_REMOVE_HEAD(&ring->active, next);
4300
4301 STAILQ_INSERT_TAIL(&ring->active, data, next);
4302
4303 usbd_setup_xfer(xfer, ring->usb_pipe, sc, data->buf,
4304 RT2870_USB_RX_BULK_BUFLEN, USBD_SHORT_XFER_OK | USBD_NO_COPY,
4305 USBD_NO_TIMEOUT, rt2870_rx_intr);
4306
4307 usbd_transfer(xfer);
4308 }
4309 break;
4310 }
4311 }
4312
4313 /*
4314 * rt2870_tx_intr
4315 */
4316 static void rt2870_tx_intr(usbd_xfer_handle xfer,
4317 usbd_private_handle priv, usbd_status status)
4318 {
4319 struct rt2870_softc *sc;
4320 struct ifnet *ifp;
4321 struct rt2870_softc_tx_ring *ring;
4322 struct rt2870_softc_tx_data *data;
4323
4324 ring = priv;
4325 sc = ring->sc;
4326 ifp = sc->ifp;
4327
4328 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4329 return;
4330
4331 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4332 "%s: Tx interrupt: %s\n",
4333 device_get_nameunit(sc->dev), usbd_errstr(status));
4334
4335 sc->interrupts++;
4336 sc->tx_interrupts[ring->qid]++;
4337
4338 switch (status)
4339 {
4340 case USBD_NORMAL_COMPLETION:
4341 data = STAILQ_FIRST(&ring->active);
4342 if (data == NULL)
4343 break;
4344
4345 STAILQ_REMOVE_HEAD(&ring->active, next);
4346
4347 STAILQ_INSERT_TAIL(&ring->done, data, next);
4348
4349 sc->tx_qid_pending_mask |= (1 << ring->qid);
4350
4351 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4352 break;
4353
4354 case USBD_CANCELLED:
4355 case USBD_NOT_STARTED:
4356 break;
4357
4358 default:
4359 data = STAILQ_FIRST(&ring->active);
4360 if (data != NULL)
4361 {
4362 STAILQ_REMOVE_HEAD(&ring->active, next);
4363
4364 if (data->m != NULL)
4365 {
4366 m_freem(data->m);
4367 data->m = NULL;
4368 }
4369
4370 if (data->ni != NULL)
4371 {
4372 ieee80211_free_node(data->ni);
4373 data->ni = NULL;
4374 }
4375
4376 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4377
4378 ring->queued--;
4379 }
4380
4381 printf("%s: could not transmit buffer: qid=%d, status=%s\n",
4382 device_get_nameunit(sc->dev), ring->qid, usbd_errstr(status));
4383
4384 ifp->if_oerrors++;
4385 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4386
4387 if (status == USBD_STALLED)
4388 usbd_clear_endpoint_stall_async(ring->usb_pipe);
4389 break;
4390 }
4391 }
4392
4393 /*
4394 * rt2870_rx_done_task
4395 */
4396 static void rt2870_rx_done_task(void *context, int pending)
4397 {
4398 struct rt2870_softc *sc;
4399 struct ifnet *ifp;
4400
4401 sc = context;
4402 ifp = sc->ifp;
4403
4404 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4405 "%s: Rx done task\n",
4406 device_get_nameunit(sc->dev));
4407
4408 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4409 return;
4410
4411 if (rt2870_rx_eof(sc, sc->rx_process_limit) != 0)
4412 {
4413 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4414 "%s: Rx done task: scheduling again\n",
4415 device_get_nameunit(sc->dev));
4416
4417 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4418 }
4419 }
4420
4421 /*
4422 * rt2870_tx_done_task
4423 */
4424 static void rt2870_tx_done_task(void *context, int pending)
4425 {
4426 struct rt2870_softc *sc;
4427 struct ifnet *ifp;
4428 int i;
4429
4430 sc = context;
4431 ifp = sc->ifp;
4432
4433 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4434 "%s: Tx done task\n",
4435 device_get_nameunit(sc->dev));
4436
4437 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4438 return;
4439
4440 for (i = sc->usb_endpoints - 2; i >= 0; i--)
4441 {
4442 if (sc->tx_qid_pending_mask & (1 << i))
4443 {
4444 sc->tx_qid_pending_mask &= ~(1 << i);
4445
4446 rt2870_tx_eof(sc, &sc->tx_ring[i]);
4447 }
4448 }
4449
4450 if (sc->tx_qid_pending_mask != 0)
4451 {
4452 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4453 "%s: Tx done task: scheduling again\n",
4454 device_get_nameunit(sc->dev));
4455
4456 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4457 }
4458
4459 sc->tx_timer = 0;
4460
4461 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4462 }
4463
4464 /*
4465 * rt2870_periodic_task
4466 */
4467 static void rt2870_periodic_task(void *context, int pending)
4468 {
4469 struct rt2870_softc *sc;
4470 struct ifnet *ifp;
4471 struct ieee80211com *ic;
4472
4473 sc = context;
4474 ifp = sc->ifp;
4475 ic = &sc->ic;
4476
4477 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
4478 "%s: periodic task: round=%lu\n",
4479 device_get_nameunit(sc->dev), sc->periodic_round);
4480
4481 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4482 return;
4483
4484 sc->periodic_round++;
4485
4486 rt2870_update_stats(sc);
4487
4488 if ((sc->periodic_round % 10) == 0)
4489 {
4490 rt2870_bbp_tuning(sc);
4491
4492 rt2870_update_raw_counters(sc);
4493
4494 rt2870_watchdog(sc);
4495
4496 if (ic->ic_opmode == IEEE80211_M_STA)
4497 rt2870_amrr_update_iter_func(sc, ic->ic_bss);
4498 else
4499 ieee80211_iterate_nodes(&ic->ic_sta, rt2870_amrr_update_iter_func, sc);
4500 }
4501
4502 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
4503 }
4504
4505 /*
4506 * rt2870_cmd_task
4507 */
4508 static void rt2870_cmd_task(void *context, int pending)
4509 {
4510 struct rt2870_softc *sc;
4511 struct rt2870_softc_cmd_ring *ring;
4512 struct rt2870_softc_cmd *cmd;
4513
4514 sc = context;
4515 ring = &sc->cmd_ring;
4516
4517 while (1)
4518 {
4519 RT2870_SOFTC_LOCK(sc);
4520
4521 cmd = STAILQ_FIRST(&ring->active);
4522 if (cmd == NULL)
4523 {
4524 RT2870_SOFTC_UNLOCK(sc);
4525 break;
4526 }
4527
4528 STAILQ_REMOVE_HEAD(&ring->active, next);
4529
4530 RT2870_SOFTC_UNLOCK(sc);
4531
4532 cmd->cb(sc, cmd->data);
4533
4534 RT2870_SOFTC_LOCK(sc);
4535
4536 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
4537 ring->queued--;
4538
4539 RT2870_SOFTC_UNLOCK(sc);
4540 }
4541 }
4542
4543 /*
4544 * rt2870_rx_eof
4545 */
4546 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit)
4547 {
4548 struct ifnet *ifp;
4549 struct rt2870_softc_rx_ring *ring;
4550 struct rt2870_softc_rx_data *data;
4551 uint32_t dmalen;
4552 uint8_t *buf;
4553 int nframes, len;
4554
4555 ifp = sc->ifp;
4556 ring = &sc->rx_ring;
4557
4558 nframes = 0;
4559
4560 while (limit != 0)
4561 {
4562 RT2870_SOFTC_LOCK(sc);
4563
4564 data = STAILQ_FIRST(&ring->done);
4565 if (data == NULL)
4566 {
4567 RT2870_SOFTC_UNLOCK(sc);
4568 break;
4569 }
4570
4571 STAILQ_REMOVE_HEAD(&ring->done, next);
4572
4573 RT2870_SOFTC_UNLOCK(sc);
4574
4575 buf = data->buf;
4576 len = data->len;
4577
4578 if (len < RT2870_RX_DESC_SIZE)
4579 {
4580 ifp->if_ierrors++;
4581 goto skip;
4582 }
4583
4584 while (len > (sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)))
4585 {
4586 dmalen = (le32toh(*(uint32_t *) buf) & 0xffff);
4587
4588 if (dmalen == 0 || (dmalen & 3) != 0)
4589 {
4590 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4591 "%s: bad DMA len=%u\n",
4592 device_get_nameunit(sc->dev), dmalen);
4593 goto skip;
4594 }
4595
4596 if ((dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)) > len)
4597 {
4598 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4599 "%s: bad DMA len: DMA len=%u, USB len=%d\n",
4600 device_get_nameunit(sc->dev),
4601 (unsigned int) (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)), len);
4602 goto skip;
4603 }
4604
4605 nframes++;
4606
4607 rt2870_rx_frame(sc, buf + sizeof(uint32_t), dmalen);
4608
4609 buf += (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
4610 len -= (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
4611 }
4612
4613 skip:
4614
4615 RT2870_SOFTC_LOCK(sc);
4616
4617 STAILQ_INSERT_TAIL(&ring->active, data, next);
4618
4619 RT2870_SOFTC_UNLOCK(sc);
4620
4621 usbd_setup_xfer(data->xfer, ring->usb_pipe, sc, data->buf,
4622 RT2870_USB_RX_BULK_BUFLEN, USBD_SHORT_XFER_OK | USBD_NO_COPY,
4623 USBD_NO_TIMEOUT, rt2870_rx_intr);
4624
4625 usbd_transfer(data->xfer);
4626
4627 limit--;
4628 }
4629
4630 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4631 "%s: Rx eof: nframes=%d\n",
4632 device_get_nameunit(sc->dev), nframes);
4633
4634 sc->rx_packets += nframes;
4635
4636 return (limit == 0);
4637 }
4638
4639 /*
4640 * rt2870_tx_eof
4641 */
4642 static void rt2870_tx_eof(struct rt2870_softc *sc,
4643 struct rt2870_softc_tx_ring *ring)
4644 {
4645 struct ifnet *ifp;
4646 struct rt2870_softc_tx_data *data;
4647 int nframes;
4648
4649 ifp = sc->ifp;
4650
4651 nframes = 0;
4652
4653 while (1)
4654 {
4655 RT2870_SOFTC_LOCK(sc);
4656
4657 data = STAILQ_FIRST(&ring->done);
4658 if (data == NULL)
4659 {
4660 RT2870_SOFTC_UNLOCK(sc);
4661 break;
4662 }
4663
4664 STAILQ_REMOVE_HEAD(&ring->done, next);
4665
4666 RT2870_SOFTC_UNLOCK(sc);
4667
4668 rt2870_drain_fifo_stats(sc);
4669
4670 nframes++;
4671
4672 if (data->m->m_flags & M_TXCB)
4673 ieee80211_process_callback(data->ni, data->m, 0);
4674
4675 m_freem(data->m);
4676
4677 ieee80211_free_node(data->ni);
4678
4679 data->m = NULL;
4680 data->ni = NULL;
4681
4682 RT2870_SOFTC_LOCK(sc);
4683
4684 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4685
4686 ring->queued--;
4687
4688 RT2870_SOFTC_UNLOCK(sc);
4689
4690 ifp->if_opackets++;
4691 }
4692
4693 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4694 "%s: Tx eof: qid=%d, nframes=%d\n",
4695 device_get_nameunit(sc->dev), ring->qid, nframes);
4696 }
4697
4698 /*
4699 * rt2870_update_stats
4700 */
4701 static void rt2870_update_stats(struct rt2870_softc *sc)
4702 {
4703 struct ifnet *ifp;
4704 struct ieee80211com *ic;
4705 struct ieee80211_node *ni;
4706 uint32_t stacnt[3];
4707 int beacons, noretryok, retryok, failed;
4708 uint16_t associd;
4709 uint8_t wcid;
4710
4711 ifp = sc->ifp;
4712 ic = &sc->ic;
4713
4714 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
4715 "%s: update statistic\n",
4716 device_get_nameunit(sc->dev));
4717
4718 rt2870_drain_fifo_stats(sc);
4719
4720 /* read and clear Tx statistic registers */
4721
4722 rt2870_io_mac_read_multi(sc, RT2870_REG_TX_STA_CNT0,
4723 stacnt, sizeof(stacnt));
4724
4725 stacnt[0] = le32toh(stacnt[0]);
4726 stacnt[1] = le32toh(stacnt[1]);
4727 stacnt[2] = le32toh(stacnt[2]);
4728
4729 beacons = stacnt[0] >> 16;
4730 noretryok = stacnt[1] & 0xffff;
4731 retryok = stacnt[1] >> 16;
4732 failed = stacnt[0] & 0xffff;
4733
4734 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
4735 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d\n",
4736 device_get_nameunit(sc->dev),
4737 beacons, noretryok, retryok, failed);
4738
4739 ifp->if_oerrors += failed;
4740
4741 sc->tx_beacons += beacons;
4742 sc->tx_noretryok += noretryok;
4743 sc->tx_retryok += retryok;
4744 sc->tx_failed += failed;
4745
4746 if (ic->ic_opmode == IEEE80211_M_STA && ic->ic_state == IEEE80211_S_RUN)
4747 {
4748 ni = ic->ic_bss;
4749
4750 associd = (ni != NULL) ? ni->ni_associd : 0;
4751 wcid = RT2870_AID2WCID(associd);
4752
4753 rt2870_amrr_tx_update(&sc->amrr_node[wcid],
4754 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
4755 }
4756 }
4757
4758 /*
4759 * rt2870_bbp_tuning
4760 */
4761 static void rt2870_bbp_tuning(struct rt2870_softc *sc)
4762 {
4763 struct ieee80211com *ic;
4764 struct ieee80211_node *ni;
4765 int chan, group;
4766 int8_t rssi, old, new;
4767
4768 /* RT2860C does not support BBP tuning */
4769
4770 if (sc->mac_rev == 0x28600100)
4771 return;
4772
4773 ic = &sc->ic;
4774
4775 if ((ic->ic_flags & IEEE80211_F_SCAN) ||
4776 ic->ic_opmode != IEEE80211_M_STA || ic->ic_state != IEEE80211_S_RUN)
4777 return;
4778
4779 ni = ic->ic_bss;
4780
4781 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
4782
4783 if (chan <= 14)
4784 group = 0;
4785 else if (chan <= 64)
4786 group = 1;
4787 else if (chan <= 128)
4788 group = 2;
4789 else
4790 group = 3;
4791
4792 rssi = ieee80211_getrssi(ic);
4793
4794 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
4795 {
4796 new = 0x2e + sc->lna_gain[group];
4797 }
4798 else
4799 {
4800 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
4801 new = 0x32 + sc->lna_gain[group] * 5 / 3;
4802 else
4803 new = 0x3a + sc->lna_gain[group] * 5 / 3;
4804 }
4805
4806 /* Tune if absolute average RSSI is greater than -80 */
4807
4808 if (rssi > -80)
4809 new += 0x10;
4810
4811 old = rt2870_io_bbp_read(sc, 66);
4812
4813 if (old != new)
4814 rt2870_io_bbp_write(sc, 66, new);
4815 }
4816
4817 /*
4818 * rt2870_watchdog
4819 */
4820 static void rt2870_watchdog(struct rt2870_softc *sc)
4821 {
4822 uint32_t tmp;
4823 int ntries;
4824
4825 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
4826
4827 RT2870_DPRINTF(sc, RT2870_DEBUG_WATCHDOG,
4828 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
4829 device_get_nameunit(sc->dev), tmp);
4830
4831 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) != 0)
4832 {
4833 sc->tx_queue_not_empty[0]++;
4834
4835 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40012);
4836
4837 for (ntries = 0; ntries < 10; ntries++)
4838 {
4839 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
4840 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) == 0)
4841 break;
4842
4843 DELAY(1);
4844 }
4845
4846 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
4847 }
4848
4849 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) != 0)
4850 {
4851 sc->tx_queue_not_empty[1]++;
4852
4853 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf4000a);
4854
4855 for (ntries = 0; ntries < 10; ntries++)
4856 {
4857 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
4858 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) == 0)
4859 break;
4860
4861 DELAY(1);
4862 }
4863
4864 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
4865 }
4866 }
4867
4868 /*
4869 * rt2870_drain_fifo_stats
4870 */
4871 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc)
4872 {
4873 struct ifnet *ifp;
4874 uint32_t stats;
4875 uint8_t wcid, mcs, pid;
4876 int ok, agg, retrycnt;
4877
4878 ifp = sc->ic.ic_ifp;
4879
4880 /* drain Tx status FIFO (maxsize = 16) */
4881
4882 while ((stats = rt2870_io_mac_read(sc, RT2870_REG_TX_STA_FIFO)) &
4883 RT2870_REG_TX_STA_FIFO_VALID)
4884 {
4885 wcid = (stats >> RT2870_REG_TX_STA_FIFO_WCID_SHIFT) &
4886 RT2870_REG_TX_STA_FIFO_WCID_MASK;
4887
4888 /* if no ACK was requested, no feedback is available */
4889
4890 if (!(stats & RT2870_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
4891 continue;
4892
4893 /* update AMRR statistic */
4894
4895 ok = (stats & RT2870_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
4896 agg = (stats & RT2870_REG_TX_STA_FIFO_AGG) ? 1 : 0;
4897 mcs = (stats >> RT2870_REG_TX_STA_FIFO_MCS_SHIFT) &
4898 RT2870_REG_TX_STA_FIFO_MCS_MASK;
4899 pid = (stats >> RT2870_REG_TX_STA_FIFO_PID_SHIFT) &
4900 RT2870_REG_TX_STA_FIFO_PID_MASK;
4901 retrycnt = pid - mcs;
4902
4903 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
4904 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
4905 device_get_nameunit(sc->dev),
4906 wcid, ok, agg, mcs, pid, retrycnt);
4907
4908 rt2870_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
4909
4910 if (!ok)
4911 ifp->if_oerrors++;
4912 }
4913 }
4914
4915 /*
4916 * rt2870_update_raw_counters
4917 */
4918 static void rt2870_update_raw_counters(struct rt2870_softc *sc)
4919 {
4920 uint32_t tmp;
4921
4922 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT);
4923
4924 sc->tx_nonagg += tmp & 0xffff;
4925 sc->tx_agg += tmp >> 16;
4926
4927 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT0);
4928
4929 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
4930
4931 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT1);
4932
4933 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
4934
4935 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT2);
4936
4937 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
4938
4939 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT3);
4940
4941 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
4942
4943 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT4);
4944
4945 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
4946
4947 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT5);
4948
4949 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
4950
4951 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT6);
4952
4953 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
4954
4955 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT7);
4956
4957 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
4958
4959 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT0);
4960
4961 sc->rx_crc_errors += tmp & 0xffff;
4962 sc->rx_phy_errors += tmp >> 16;
4963
4964 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT1);
4965
4966 sc->rx_false_ccas += tmp & 0xffff;
4967 sc->rx_plcp_errors += tmp >> 16;
4968
4969 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT2);
4970
4971 sc->rx_dup_packets += tmp & 0xffff;
4972 sc->rx_fifo_overflows += tmp >> 16;
4973 }
4974
4975 /*
4976 * rt2870_alloc_rx_ring
4977 */
4978 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
4979 struct rt2870_softc_rx_ring *ring)
4980 {
4981 struct rt2870_softc_rx_data *data;
4982 int i, error;
4983
4984 STAILQ_INIT(&ring->active);
4985 STAILQ_INIT(&ring->done);
4986
4987 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
4988 {
4989 data = &ring->data[i];
4990
4991 data->xfer = usbd_alloc_xfer(sc->usb_dev);
4992 if (data->xfer == NULL)
4993 {
4994 printf("%s: could not allocate Rx xfer\n",
4995 device_get_nameunit(sc->dev));
4996 error = ENOMEM;
4997 goto fail;
4998 }
4999
5000 data->buf = usbd_alloc_buffer(data->xfer, RT2870_USB_RX_BULK_BUFLEN);
5001 if (data->buf == NULL)
5002 {
5003 printf("%s: could not allocate Rx buffer\n",
5004 device_get_nameunit(sc->dev));
5005 error = ENOMEM;
5006 goto fail;
5007 }
5008 }
5009
5010 return 0;
5011
5012 fail:
5013
5014 rt2870_free_rx_ring(sc, ring);
5015
5016 return error;
5017 }
5018
5019 /*
5020 * rt2870_reset_rx_ring
5021 */
5022 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
5023 struct rt2870_softc_rx_ring *ring)
5024 {
5025 STAILQ_INIT(&ring->active);
5026 STAILQ_INIT(&ring->done);
5027 }
5028
5029 /*
5030 * rt2870_free_rx_ring
5031 */
5032 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
5033 struct rt2870_softc_rx_ring *ring)
5034 {
5035 struct rt2870_softc_rx_data *data;
5036 int i;
5037
5038 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5039 {
5040 data = &ring->data[i];
5041
5042 if (data->xfer != NULL)
5043 {
5044 usbd_free_xfer(data->xfer);
5045 data->xfer = NULL;
5046 }
5047 }
5048 }
5049
5050 /*
5051 * rt2870_alloc_tx_ring
5052 */
5053 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
5054 struct rt2870_softc_tx_ring *ring, int qid)
5055 {
5056 struct rt2870_softc_tx_data *data;
5057 int i, error;
5058
5059 STAILQ_INIT(&ring->inactive);
5060 STAILQ_INIT(&ring->active);
5061 STAILQ_INIT(&ring->done);
5062
5063 ring->sc = sc;
5064 ring->queued = 0;
5065 ring->qid = qid;
5066
5067 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5068 {
5069 data = &ring->data[i];
5070
5071 data->xfer = usbd_alloc_xfer(sc->usb_dev);
5072 if (data->xfer == NULL)
5073 {
5074 printf("%s: could not allocate Tx xfer\n",
5075 device_get_nameunit(sc->dev));
5076 error = ENOMEM;
5077 goto fail;
5078 }
5079
5080 data->buf = usbd_alloc_buffer(data->xfer,
5081 RT2870_TX_DESC_SIZE + MJUMPAGESIZE);
5082 if (data->buf == NULL)
5083 {
5084 printf("%s: could not allocate Tx buffer\n",
5085 device_get_nameunit(sc->dev));
5086 error = ENOMEM;
5087 goto fail;
5088 }
5089
5090 memset(data->buf, 0, RT2870_TX_DESC_SIZE);
5091
5092 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5093 }
5094
5095 return 0;
5096
5097 fail:
5098
5099 rt2870_free_tx_ring(sc, ring);
5100
5101 return error;
5102 }
5103
5104 /*
5105 * rt2870_reset_tx_ring
5106 */
5107 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
5108 struct rt2870_softc_tx_ring *ring)
5109 {
5110 struct rt2870_softc_tx_data *data;
5111 int i;
5112
5113 STAILQ_INIT(&ring->inactive);
5114 STAILQ_INIT(&ring->active);
5115 STAILQ_INIT(&ring->done);
5116
5117 ring->queued = 0;
5118
5119 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5120 {
5121 data = &ring->data[i];
5122
5123 if (data->m != NULL)
5124 {
5125 m_free(data->m);
5126 data->m = NULL;
5127 }
5128
5129 if (data->ni != NULL)
5130 {
5131 ieee80211_free_node(data->ni);
5132 data->ni = NULL;
5133 }
5134
5135 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5136 }
5137 }
5138
5139 /*
5140 * rt2870_free_tx_ring
5141 */
5142 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
5143 struct rt2870_softc_tx_ring *ring)
5144 {
5145 struct rt2870_softc_tx_data *data;
5146 int i;
5147
5148 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5149 {
5150 data = &ring->data[i];
5151
5152 if (data->xfer != NULL)
5153 {
5154 usbd_free_xfer(data->xfer);
5155 data->xfer = NULL;
5156 }
5157
5158 if (data->m != NULL)
5159 {
5160 m_free(data->m);
5161 data->m = NULL;
5162 }
5163
5164 if (data->ni != NULL)
5165 {
5166 ieee80211_free_node(data->ni);
5167 data->ni = NULL;
5168 }
5169 }
5170 }
5171
5172 /*
5173 * rt2870_reset_cmd_ring
5174 */
5175 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
5176 struct rt2870_softc_cmd_ring *ring)
5177 {
5178 struct rt2870_softc_cmd *cmd;
5179 int i;
5180
5181 STAILQ_INIT(&ring->inactive);
5182 STAILQ_INIT(&ring->active);
5183
5184 ring->queued = 0;
5185
5186 for (i = 0; i < RT2870_SOFTC_CMD_RING_CMD_COUNT; i++)
5187 {
5188 cmd = &ring->cmd[i];
5189
5190 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
5191 }
5192 }
5193
5194 /*
5195 * rt2870_sysctl_attach
5196 */
5197 static void rt2870_sysctl_attach(struct rt2870_softc *sc)
5198 {
5199 struct sysctl_ctx_list *ctx;
5200 struct sysctl_oid *tree;
5201 struct sysctl_oid *stats;
5202
5203 ctx = device_get_sysctl_ctx(sc->dev);
5204 tree = device_get_sysctl_tree(sc->dev);
5205
5206 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
5207 "stats", CTLFLAG_RD, 0, "statistic");
5208
5209 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5210 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
5211 "all interrupts");
5212
5213 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5214 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
5215 "Rx interrupts");
5216
5217 if (sc->usb_endpoints == (RT2870_SOFTC_TX_RING_COUNT + 1))
5218 {
5219 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5220 "tx_mgmt_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
5221 "Tx MGMT interrupts");
5222
5223 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5224 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
5225 "Tx HCCA interrupts");
5226 }
5227
5228 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5229 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
5230 "Tx AC3 interrupts");
5231
5232 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5233 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
5234 "Tx AC2 interrupts");
5235
5236 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5237 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
5238 "Tx AC1 interrupts");
5239
5240 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5241 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
5242 "Tx AC0 interrupts");
5243
5244 if (sc->usb_endpoints == (RT2870_SOFTC_TX_RING_COUNT + 1))
5245 {
5246 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5247 "tx_mgmt_data_queued", CTLFLAG_RD, &sc->tx_ring[5].queued, 0,
5248 "Tx MGMT data queued");
5249
5250 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5251 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].queued, 0,
5252 "Tx HCCA data queued");
5253 }
5254
5255 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5256 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].queued, 0,
5257 "Tx AC3 data queued");
5258
5259 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5260 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].queued, 0,
5261 "Tx AC2 data queued");
5262
5263 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5264 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].queued, 0,
5265 "Tx AC1 data queued");
5266
5267 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5268 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].queued, 0,
5269 "Tx AC0 data queued");
5270
5271 if (sc->usb_endpoints == (RT2870_SOFTC_TX_RING_COUNT + 1))
5272 {
5273 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5274 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
5275 "Tx MGMT data queue full");
5276
5277 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5278 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
5279 "Tx HCCA data queue full");
5280 }
5281
5282 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5283 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
5284 "Tx AC3 data queue full");
5285
5286 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5287 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
5288 "Tx AC2 data queue full");
5289
5290 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5291 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
5292 "Tx AC1 data queue full");
5293
5294 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5295 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
5296 "Tx AC0 data queue full");
5297
5298 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5299 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
5300 "Tx watchdog timeouts");
5301
5302 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5303 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
5304 "Rx mbuf allocation errors");
5305
5306 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5307 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
5308 "Tx queue 0 not empty");
5309
5310 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5311 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
5312 "Tx queue 1 not empty");
5313
5314 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5315 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
5316 "Tx beacons");
5317
5318 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5319 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
5320 "Tx successfull without retries");
5321
5322 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5323 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
5324 "Tx successfull with retries");
5325
5326 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5327 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
5328 "Tx failed");
5329
5330 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5331 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
5332 "Tx non-aggregated");
5333
5334 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5335 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
5336 "Tx aggregated");
5337
5338 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5339 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
5340 "Tx A-MPDU");
5341
5342 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5343 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
5344 "Rx packets");
5345
5346 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5347 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
5348 "Rx A-MPDU");
5349
5350 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5351 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
5352 "Rx A-MSDU");
5353
5354 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5355 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
5356 "Rx CRC errors");
5357
5358 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5359 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
5360 "Rx PHY errors");
5361
5362 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5363 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
5364 "Rx false CCAs");
5365
5366 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5367 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
5368 "Rx PLCP errors");
5369
5370 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5371 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
5372 "Rx duplicate packets");
5373
5374 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5375 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
5376 "Rx FIFO overflows");
5377 }
5378
5379 static device_method_t rt2870_dev_methods[] =
5380 {
5381 DEVMETHOD(device_probe, rt2870_probe),
5382 DEVMETHOD(device_attach, rt2870_attach),
5383 DEVMETHOD(device_detach, rt2870_detach),
5384 { 0, 0 }
5385 };
5386
5387 static driver_t rt2870_driver =
5388 {
5389 "rt2870",
5390 rt2870_dev_methods,
5391 sizeof(struct rt2870_softc),
5392 };
5393
5394 static devclass_t rt2870_dev_class;
5395
5396 DRIVER_MODULE(rt2870, uhub, rt2870_driver, rt2870_dev_class,
5397 usbd_driver_load, 0);
5398
5399 MODULE_DEPEND(rt2870, usb, 1, 1, 1);
5400 MODULE_DEPEND(rt2870, wlan, 1, 1, 1);
FreeBSD 7.2 device driver for Ralink rt2870