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Store last RSSI dBm per node
[ralink_drivers/rt2870_fbsd72.git] / rt2870.c
blob9a483001a64f4660b947b2b5759d7dafcb43e89b
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 struct ieee80211_node *rt2870_node_alloc(struct ieee80211_node_table *nt);
171
172 static void rt2870_recv_action(struct ieee80211_node *ni,
173 const uint8_t *frm, const uint8_t *efrm);
174
175 static int rt2870_send_action(struct ieee80211_node *ni,
176 int category, int action, uint16_t args[4]);
177
178 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni);
179
180 static void rt2870_periodic(void *arg);
181
182 static void rt2870_tx_watchdog(void *arg);
183
184 static int rt2870_do_async(struct rt2870_softc *sc,
185 void (*cb)(struct rt2870_softc *sc, void *priv),
186 void *arg, int len);
187
188 static void rt2870_newstate_cb(struct rt2870_softc *sc, void *arg);
189
190 static void rt2870_scan_start_cb(struct rt2870_softc *sc, void *arg);
191
192 static void rt2870_scan_end_cb(struct rt2870_softc *sc, void *arg);
193
194 static void rt2870_set_channel_cb(struct rt2870_softc *sc, void *arg);
195
196 static void rt2870_newassoc_cb(struct rt2870_softc *sc, void *arg);
197
198 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg);
199
200 static void rt2870_update_beacon_cb(struct rt2870_softc *sc, void *arg);
201
202 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg);
203
204 static void rt2870_key_update_begin_cb(struct rt2870_softc *sc, void *arg);
205
206 static void rt2870_key_update_end_cb(struct rt2870_softc *sc, void *arg);
207
208 static void rt2870_key_set_cb(struct rt2870_softc *sc, void *arg);
209
210 static void rt2870_key_delete_cb(struct rt2870_softc *sc, void *arg);
211
212 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
213 const uint8_t *bssid);
214
215 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
216 const uint8_t *addr);
217
218 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc);
219
220 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc);
221
222 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc);
223
224 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc);
225
226 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc);
227
228 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc);
229
230 static void rt2870_asic_update_txpower(struct rt2870_softc *sc);
231
232 static void rt2870_asic_update_promisc(struct rt2870_softc *sc);
233
234 static void rt2870_asic_updateprot(struct rt2870_softc *sc);
235
236 static void rt2870_asic_updateslot(struct rt2870_softc *sc);
237
238 static void rt2870_asic_wme_update(struct rt2870_softc *sc);
239
240 static int rt2870_asic_update_beacon(struct rt2870_softc *sc);
241
242 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc);
243
244 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi);
245
246 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
247 const struct rt2870_rxwi *rxwi);
248
249 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
250 uint8_t rssi, uint8_t rxpath);
251
252 static uint8_t rt2870_rate2mcs(uint8_t rate);
253
254 static int rt2870_ackrate(struct ieee80211com *ic, int rate);
255
256 static uint16_t rt2870_txtime(int len, int rate, uint32_t flags);
257
258 static void rt2870_rx_frame(struct rt2870_softc *sc,
259 uint8_t *buf, uint32_t dmalen);
260
261 static int rt2870_tx_frame(struct rt2870_softc *sc,
262 struct mbuf *m, struct ieee80211_node *ni, int qid);
263
264 static int rt2870_tx_raw(struct rt2870_softc *sc,
265 struct mbuf *m, struct ieee80211_node *ni,
266 const struct ieee80211_bpf_params *params);
267
268 static void rt2870_rx_intr(usbd_xfer_handle xfer,
269 usbd_private_handle priv, usbd_status status);
270
271 static void rt2870_tx_intr(usbd_xfer_handle xfer,
272 usbd_private_handle priv, usbd_status status);
273
274 static void rt2870_rx_done_task(void *context, int pending);
275
276 static void rt2870_tx_done_task(void *context, int pending);
277
278 static void rt2870_periodic_task(void *context, int pending);
279
280 static void rt2870_cmd_task(void *context, int pending);
281
282 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit);
283
284 static void rt2870_tx_eof(struct rt2870_softc *sc,
285 struct rt2870_softc_tx_ring *ring);
286
287 static void rt2870_update_stats(struct rt2870_softc *sc);
288
289 static void rt2870_bbp_tuning(struct rt2870_softc *sc);
290
291 static void rt2870_watchdog(struct rt2870_softc *sc);
292
293 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc);
294
295 static void rt2870_update_raw_counters(struct rt2870_softc *sc);
296
297 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
298 struct rt2870_softc_rx_ring *ring);
299
300 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
301 struct rt2870_softc_rx_ring *ring);
302
303 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
304 struct rt2870_softc_rx_ring *ring);
305
306 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
307 struct rt2870_softc_tx_ring *ring, int qid);
308
309 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
310 struct rt2870_softc_tx_ring *ring);
311
312 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
313 struct rt2870_softc_tx_ring *ring);
314
315 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
316 struct rt2870_softc_cmd_ring *ring);
317
318 static void rt2870_sysctl_attach(struct rt2870_softc *sc);
319
320 /*
321 * Static variables
322 */
323
324 static const struct usb_devno rt2870_usb_devno[] =
325 {
326 { USB_VENDOR_LINKSYS4, USB_PRODUCT_LINKSYS4_WUSB600N }, /* Linksys WUSB600N */
327 { USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA140 }, /* D-Link DWA-140 */
328 { USB_VENDOR_DLINK2, USB_PRODUCT_DLINK2_DWA160AREVB }, /* D-Link DWA-160A Rev. B */
329 { USB_VENDOR_ASUS, USB_PRODUCT_ASUS_RT2770F }, /* Asus RT2770F */
330 { USB_VENDOR_RALINK, USB_PRODUCT_RALINK_RT2770 }, /* Ralink RT2770 */
331 };
332
333 static const struct
334 {
335 uint32_t reg;
336 uint32_t val;
337 } rt2870_def_mac[] =
338 {
339 { RT2870_REG_PBF_BCN_OFFSET0, 0xf8f0e8e0 },
340 { RT2870_REG_PBF_BCN_OFFSET1, 0x6f77d0c8 },
341 { RT2870_REG_LEGACY_BASIC_RATE, 0x0000013f },
342 { RT2870_REG_HT_BASIC_RATE, 0x00008003 },
343 { RT2870_REG_SYS_CTRL, 0x00000000 },
344 { RT2870_REG_RX_FILTER_CFG, 0x00017f97 },
345 { RT2870_REG_BKOFF_SLOT_CFG, 0x00000209 },
346 { RT2870_REG_TX_SW_CFG0, 0x00000000 },
347 { RT2870_REG_TX_SW_CFG1, 0x00080606 },
348 { RT2870_REG_TX_LINK_CFG, 0x00001020 },
349 { RT2870_REG_TX_TIMEOUT_CFG, 0x000a2090 },
350 { RT2870_REG_MAX_LEN_CFG, (1 << 12) | RT2870_MAX_AGG_SIZE },
351 { RT2870_REG_LED_CFG, 0x7f031e46 },
352 { RT2870_REG_PBF_MAX_PCNT, 0x1f3fbf9f },
353 { RT2870_REG_TX_RTY_CFG, 0x47d01f0f },
354 { RT2870_REG_AUTO_RSP_CFG, 0x00000013 },
355 { RT2870_REG_TX_CCK_PROT_CFG, 0x05740003 },
356 { RT2870_REG_TX_OFDM_PROT_CFG, 0x05740003 },
357 { RT2870_REG_PBF_CFG, 0x00f40006 },
358 { RT2870_REG_TX_MM40_PROT_CFG, 0x03f44084 },
359 { RT2870_REG_SCHDMA_WPDMA_GLO_CFG, 0x00000030 },
360 { RT2870_REG_TX_GF20_PROT_CFG, 0x01744004 },
361 { RT2870_REG_TX_GF40_PROT_CFG, 0x03f44084 },
362 { RT2870_REG_TX_MM20_PROT_CFG, 0x01744004 },
363 { RT2870_REG_TX_TXOP_CTRL_CFG, 0x0000583f },
364 { RT2870_REG_TX_RTS_CFG, 0x00092b20 },
365 { RT2870_REG_TX_EXP_ACK_TIME, 0x002400ca },
366 { RT2870_REG_HCCAPSMP_TXOP_HLDR_ET, 0x00000002 },
367 { RT2870_REG_XIFS_TIME_CFG, 0x33a41010 },
368 { RT2870_REG_PWR_PIN_CFG, 0x00000003 },
369 { RT2870_REG_SCHDMA_WMM_AIFSN_CFG, 0x00002273 },
370 { RT2870_REG_SCHDMA_WMM_CWMIN_CFG, 0x00002344 },
371 { RT2870_REG_SCHDMA_WMM_CWMAX_CFG, 0x000034aa },
372 };
373
374 #define RT2870_DEF_MAC_SIZE (sizeof(rt2870_def_mac) / sizeof(rt2870_def_mac[0]))
375
376 static const struct
377 {
378 uint8_t reg;
379 uint8_t val;
380 } rt2870_def_bbp[] =
381 {
382 { 65, 0x2c },
383 { 66, 0x38 },
384 { 69, 0x12 },
385 { 70, 0x0a },
386 { 73, 0x10 },
387 { 81, 0x37 },
388 { 82, 0x62 },
389 { 83, 0x6a },
390 { 84, 0x99 },
391 { 86, 0x00 },
392 { 91, 0x04 },
393 { 92, 0x00 },
394 { 103, 0x00 },
395 { 105, 0x05 },
396 };
397
398 #define RT2870_DEF_BBP_SIZE (sizeof(rt2870_def_bbp) / sizeof(rt2870_def_bbp[0]))
399
400 SYSCTL_NODE(_hw, OID_AUTO, rt2870, CTLFLAG_RD, 0, "RT2870 driver parameters");
401
402 #ifdef RT2870_DEBUG
403 static int rt2870_debug = 0;
404 SYSCTL_INT(_hw_rt2870, OID_AUTO, debug, CTLFLAG_RW, &rt2870_debug, 0, "rt2870 debug level");
405 TUNABLE_INT("hw.rt2870.debug", &rt2870_debug);
406 #endif
407
408 /*
409 * rt2870_probe
410 */
411 static int rt2870_probe(device_t dev)
412 {
413 struct usb_attach_arg *uaa;
414
415 uaa = device_get_ivars(dev);
416
417 if (uaa->iface != NULL)
418 return UMATCH_NONE;
419
420 return (usb_lookup(rt2870_usb_devno, uaa->vendor, uaa->product) != NULL) ?
421 UMATCH_VENDOR_PRODUCT : UMATCH_NONE;
422 }
423
424 /*
425 * rt2870_attach
426 */
427 static int rt2870_attach(device_t dev)
428 {
429 struct rt2870_softc *sc;
430 struct usb_attach_arg *uaa;
431 usbd_status usb_error;
432 struct ieee80211com *ic;
433 struct ifnet *ifp;
434 int error, ntries, i;
435
436 sc = device_get_softc(dev);
437 uaa = device_get_ivars(dev);
438
439 sc->dev = dev;
440 sc->usb_dev = uaa->device;
441
442 #ifdef RT2870_DEBUG
443 sc->debug = rt2870_debug;
444
445 SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
446 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO,
447 "debug", CTLFLAG_RW, &sc->debug, 0, "rt2870 debug level");
448 #endif
449
450 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
451 "%s: attaching\n",
452 device_get_nameunit(sc->dev));
453
454 if (usbd_set_config_no(sc->usb_dev, RT2870_USB_CONFIG_NO, 0) != 0)
455 {
456 printf("%s: could not set USB configuration no\n",
457 device_get_nameunit(sc->dev));
458 return ENXIO;
459 }
460
461 usb_error = usbd_device2interface_handle(sc->usb_dev,
462 RT2870_USB_IFACE_INDEX, &sc->usb_iface);
463 if (usb_error != 0)
464 {
465 printf("%s: could not get USB interface handle\n",
466 device_get_nameunit(sc->dev));
467 return ENXIO;
468 }
469
470 error = rt2870_find_usb_endpoints(sc);
471 if (error != 0)
472 return error;
473
474 for (ntries = 0; ntries < 100; ntries++)
475 {
476 sc->mac_rev = rt2870_io_mac_read(sc, RT2870_REG_MAC_CSR0);
477 if (sc->mac_rev != 0x00000000 && sc->mac_rev != 0xffffffff)
478 break;
479
480 DELAY(10);
481 }
482
483 if (ntries == 100)
484 {
485 printf("%s: timeout waiting for NIC to initialize\n",
486 device_get_nameunit(sc->dev));
487 return ENXIO;
488 }
489
490 rt2870_read_eeprom(sc);
491
492 printf("%s: MAC/BBP RT2870 (rev 0x%08x), RF %s\n",
493 device_get_nameunit(sc->dev), sc->mac_rev,
494 rt2870_rf_name(sc->rf_rev));
495
496 /* open Tx and Rx USB bulk pipes */
497
498 for (i = 0; i < sc->usb_endpoints - 1; i++)
499 {
500 error = usbd_open_pipe(sc->usb_iface, sc->tx_ring[i].usb_ep,
501 USBD_EXCLUSIVE_USE, &sc->tx_ring[i].usb_pipe);
502 if (error != 0)
503 {
504 printf("%s: could not open Tx pipe #%d: %s\n",
505 device_get_nameunit(sc->dev), i, usbd_errstr(error));
506 goto fail;
507 }
508 }
509
510 error = usbd_open_pipe(sc->usb_iface, sc->rx_ring.usb_ep,
511 USBD_EXCLUSIVE_USE, &sc->rx_ring.usb_pipe);
512 if (error != 0)
513 {
514 printf("%s: could not open Rx pipe: %s\n",
515 device_get_nameunit(sc->dev), usbd_errstr(error));
516 goto fail;
517 }
518
519 /* allocate Tx and Rx rings */
520
521 for (i = 0; i < sc->usb_endpoints - 1; i++)
522 {
523 error = rt2870_alloc_tx_ring(sc, &sc->tx_ring[i], i);
524 if (error != 0)
525 {
526 printf("%s: could not allocate Tx ring #%d\n",
527 device_get_nameunit(sc->dev), i);
528 goto fail;
529 }
530 }
531
532 if (sc->usb_endpoints == (RT2870_SOFTC_TX_RING_COUNT + 1))
533 sc->tx_ring_mgtqid = 5;
534 else
535 sc->tx_ring_mgtqid = 0;
536
537 error = rt2870_alloc_rx_ring(sc, &sc->rx_ring);
538 if (error != 0)
539 {
540 printf("%s: could not allocate Rx ring\n",
541 device_get_nameunit(sc->dev));
542 goto fail;
543 }
544
545 callout_init(&sc->periodic_ch, 0);
546 callout_init(&sc->tx_watchdog_ch, 0);
547
548 ifp = sc->ifp = if_alloc(IFT_ETHER);
549 if (ifp == NULL)
550 {
551 printf("%s: could not if_alloc()\n",
552 device_get_nameunit(sc->dev));
553 error = ENOMEM;
554 goto fail;
555 }
556
557 ifp->if_softc = sc;
558
559 if_initname(ifp, "rt2870", device_get_unit(sc->dev));
560
561 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST |
562 IFF_NEEDSGIANT;
563
564 ifp->if_init = rt2870_init;
565 ifp->if_ioctl = rt2870_ioctl;
566 ifp->if_start = rt2870_start;
567
568 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN);
569 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN;
570 IFQ_SET_READY(&ifp->if_snd);
571
572 ic = &sc->ic;
573
574 ic->ic_ifp = ifp;
575
576 ic->ic_phytype = IEEE80211_T_HT;
577 ic->ic_opmode = IEEE80211_M_STA;
578 ic->ic_state = IEEE80211_S_INIT;
579
580 ic->ic_caps = IEEE80211_C_MONITOR |
581 IEEE80211_C_IBSS |
582 IEEE80211_C_AHDEMO |
583 IEEE80211_C_HOSTAP |
584 IEEE80211_C_WDS |
585 /* IEEE80211_C_BGSCAN | */
586 IEEE80211_C_TXPMGT |
587 IEEE80211_C_SHPREAMBLE |
588 IEEE80211_C_SHSLOT |
589 IEEE80211_C_TXFRAG |
590 IEEE80211_C_BURST |
591 IEEE80211_C_WME |
592 IEEE80211_C_WEP |
593 IEEE80211_C_TKIP |
594 IEEE80211_C_AES_CCM |
595 IEEE80211_C_WPA;
596
597 ic->ic_htcaps = IEEE80211_HTC_HT |
598 IEEE80211_HTC_AMSDU | /* A-MSDU Tx */
599 IEEE80211_HTC_AMPDU | /* A-MPDU Tx */
600 IEEE80211_HTCAP_MAXAMSDU_3839 | /* max. A-MSDU Rx length */
601 IEEE80211_HTCAP_CHWIDTH40 | /* HT 40MHz channel width */
602 IEEE80211_HTCAP_GREENFIELD | /* HT greenfield */
603 IEEE80211_HTCAP_SHORTGI20 | /* HT 20MHz short GI */
604 IEEE80211_HTCAP_SHORTGI40 | /* HT 40MHz short GI */
605 IEEE80211_HTCAP_DSSSCCK40; /* HT 40MHz DSSS/CCK modulation */
606
607 /* spatial streams */
608
609 if (sc->nrxpath == 2)
610 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_2STREAM;
611 else if (sc->nrxpath == 3)
612 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_3STREAM;
613 else
614 ic->ic_htcaps |= IEEE80211_HTCAP_RXSTBC_1STREAM;
615
616 if (sc->ntxpath > 1)
617 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC;
618
619 /* delayed BA */
620
621 if (sc->mac_rev != 0x28600100)
622 ic->ic_htcaps |= IEEE80211_HTCAP_DELBA;
623
624 /* init channels */
625
626 ic->ic_nchans = 0;
627 ic->ic_regdomain = 0;
628 ic->ic_countrycode = CTRY_DEFAULT;
629 ic->ic_location = 0;
630
631 rt2870_init_channels(sc);
632
633 rt2870_init_channels_ht40(sc);
634
635 IEEE80211_ADDR_COPY(ic->ic_myaddr, sc->mac_addr);
636
637 ieee80211_ifattach(ic);
638
639 sc->newstate = ic->ic_newstate;
640 ic->ic_newstate = rt2870_newstate;
641
642 ic->ic_reset = rt2870_reset;
643 ic->ic_node_alloc = rt2870_node_alloc;
644 ic->ic_scan_start = rt2870_scan_start;
645 ic->ic_scan_end = rt2870_scan_end;
646 ic->ic_set_channel = rt2870_set_channel;
647 ic->ic_newassoc = rt2870_newassoc;
648 ic->ic_updateslot = rt2870_updateslot;
649 ic->ic_wme.wme_update = rt2870_wme_update;
650 ic->ic_update_beacon = rt2870_update_beacon;
651 ic->ic_crypto.cs_key_update_begin = rt2870_key_update_begin;
652 ic->ic_crypto.cs_key_update_end = rt2870_key_update_end;
653 ic->ic_crypto.cs_key_set = rt2870_key_set;
654 ic->ic_crypto.cs_key_delete = rt2870_key_delete;
655 ic->ic_raw_xmit = rt2870_raw_xmit;
656
657 sc->recv_action = ic->ic_recv_action;
658 ic->ic_recv_action = rt2870_recv_action;
659
660 sc->send_action = ic->ic_send_action;
661 ic->ic_send_action = rt2870_send_action;
662
663 /* override Rx A-MPDU factor */
664
665 ic->ic_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_32K;
666 ic->ic_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_NA;
667 ic->ic_ampdu_limit = ic->ic_ampdu_rxmax;
668
669 /* hardware requires padding between 802.11 frame header and body */
670
671 ic->ic_flags |= IEEE80211_F_WME | IEEE80211_F_DATAPAD | IEEE80211_F_DOTH;
672
673 ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
674
675 ieee80211_media_init(ic, rt2870_media_change, ieee80211_media_status);
676
677 rt2870_amrr_init(&sc->amrr, ic,
678 sc->ntxpath,
679 RT2870_AMRR_MIN_SUCCESS_THRESHOLD,
680 RT2870_AMRR_MAX_SUCCESS_THRESHOLD,
681 500);
682
683 bpfattach2(ifp, DLT_IEEE802_11_RADIO,
684 sizeof(struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN,
685 &sc->drvbpf);
686
687 sc->rxtap_len = sizeof(sc->rxtapu);
688 sc->rxtap.ihdr.it_len = htole16(sc->rxtap_len);
689 sc->rxtap.ihdr.it_present = htole32(RT2870_SOFTC_RX_RADIOTAP_PRESENT);
690
691 sc->txtap_len = sizeof(sc->txtapu);
692 sc->txtap.ihdr.it_len = htole16(sc->txtap_len);
693 sc->txtap.ihdr.it_present = htole32(RT2870_SOFTC_TX_RADIOTAP_PRESENT);
694
695 /* init task queue */
696
697 TASK_INIT(&sc->rx_done_task, 0, rt2870_rx_done_task, sc);
698 TASK_INIT(&sc->tx_done_task, 0, rt2870_tx_done_task, sc);
699 TASK_INIT(&sc->periodic_task, 0, rt2870_periodic_task, sc);
700 TASK_INIT(&sc->cmd_task, 0, rt2870_cmd_task, sc);
701
702 sc->rx_process_limit = 100;
703
704 sc->taskqueue = taskqueue_create("rt2870_taskq", M_NOWAIT,
705 taskqueue_thread_enqueue, &sc->taskqueue);
706
707 taskqueue_start_threads(&sc->taskqueue, 1, PI_NET, "%s taskq",
708 device_get_nameunit(sc->dev));
709
710 rt2870_sysctl_attach(sc);
711
712 if (bootverbose)
713 ieee80211_announce(ic);
714
715 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->usb_dev, sc->dev);
716
717 return 0;
718
719 fail:
720
721 /* close Tx and Rx USB bulk pipes */
722
723 if (sc->rx_ring.usb_pipe != NULL)
724 {
725 usbd_abort_pipe(sc->rx_ring.usb_pipe);
726 usbd_close_pipe(sc->rx_ring.usb_pipe);
727 sc->rx_ring.usb_pipe = NULL;
728 }
729
730 for (i = 0; i < sc->usb_endpoints - 1; i++)
731 {
732 if (sc->tx_ring[i].usb_pipe != NULL)
733 {
734 usbd_abort_pipe(sc->tx_ring[i].usb_pipe);
735 usbd_close_pipe(sc->tx_ring[i].usb_pipe);
736 sc->tx_ring[i].usb_pipe = NULL;
737 }
738 }
739
740 /* free Tx and Rx rings */
741
742 for (i = 0; i < sc->usb_endpoints - 1; i++)
743 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
744
745 rt2870_free_rx_ring(sc, &sc->rx_ring);
746
747 return error;
748 }
749
750 /*
751 * rt2870_detach
752 */
753 static int rt2870_detach(device_t dev)
754 {
755 struct rt2870_softc *sc;
756 struct ieee80211com *ic;
757 struct ifnet *ifp;
758 int i;
759
760 if (!device_is_attached(dev))
761 return 0;
762
763 sc = device_get_softc(dev);
764 ic = &sc->ic;
765 ifp = ic->ic_ifp;
766
767 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
768 "%s: detaching\n",
769 device_get_nameunit(sc->dev));
770
771 sc->tx_timer = 0;
772
773 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
774
775 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
776
777 callout_stop(&sc->periodic_ch);
778 callout_stop(&sc->tx_watchdog_ch);
779
780 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
781 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
782 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
783 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
784
785 /* close Tx and Rx USB bulk pipes */
786
787 if (sc->rx_ring.usb_pipe != NULL)
788 {
789 usbd_abort_pipe(sc->rx_ring.usb_pipe);
790 usbd_close_pipe(sc->rx_ring.usb_pipe);
791 sc->rx_ring.usb_pipe = NULL;
792 }
793
794 for (i = 0; i < sc->usb_endpoints - 1; i++)
795 {
796 if (sc->tx_ring[i].usb_pipe != NULL)
797 {
798 usbd_abort_pipe(sc->tx_ring[i].usb_pipe);
799 usbd_close_pipe(sc->tx_ring[i].usb_pipe);
800 sc->tx_ring[i].usb_pipe = NULL;
801 }
802 }
803
804 /* free Tx and Rx rings */
805
806 for (i = 0; i < sc->usb_endpoints - 1; i++)
807 rt2870_free_tx_ring(sc, &sc->tx_ring[i]);
808
809 rt2870_free_rx_ring(sc, &sc->rx_ring);
810
811 bpfdetach(ifp);
812
813 ieee80211_ifdetach(ic);
814
815 if_free(ifp);
816
817 taskqueue_free(sc->taskqueue);
818
819 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->usb_dev, sc->dev);
820
821 return 0;
822 }
823
824 /*
825 * rt2870_find_usb_endpoints
826 */
827 static int rt2870_find_usb_endpoints(struct rt2870_softc *sc)
828 {
829 usb_interface_descriptor_t *id;
830 usb_endpoint_descriptor_t *ed;
831 int i, j;
832
833 id = usbd_get_interface_descriptor(sc->usb_iface);
834
835 sc->usb_endpoints = id->bNumEndpoints;
836 if ((sc->usb_endpoints != (RT2870_SOFTC_TX_RING_COUNT + 1)) &&
837 (sc->usb_endpoints != (RT2870_SOFTC_TX_RING_COUNT - 2 + 1)))
838 {
839 printf("%s: wrong number of USB endpoints=%d\n",
840 device_get_nameunit(sc->dev), sc->usb_endpoints);
841 return ENXIO;
842 }
843
844 sc->rx_ring.usb_ep = -1;
845
846 for (i = 0; i < RT2870_SOFTC_TX_RING_COUNT; i++)
847 sc->tx_ring[i].usb_ep = -1;
848
849 for (i = 0, j = 0; i < id->bNumEndpoints; i++)
850 {
851 ed = usbd_interface2endpoint_descriptor(sc->usb_iface, i);
852 if (ed == NULL)
853 {
854 printf("%s: no endpoint descriptor #%d for USB interface\n",
855 device_get_nameunit(sc->dev), i);
856 return ENXIO;
857 }
858
859 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
860 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
861 {
862 sc->rx_ring.usb_ep = ed->bEndpointAddress;
863 }
864 else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
865 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
866 {
867 if (j < RT2870_SOFTC_TX_RING_COUNT)
868 sc->tx_ring[j++].usb_ep = ed->bEndpointAddress;
869 else
870 sc->tx_ring[RT2870_SOFTC_TX_RING_COUNT - 1].usb_ep =
871 ed->bEndpointAddress;
872 }
873 }
874
875 if ((sc->rx_ring.usb_ep == -1) ||
876 ((j != RT2870_SOFTC_TX_RING_COUNT) && (j != RT2870_SOFTC_TX_RING_COUNT - 2)))
877 {
878 printf("%s: missing USB endpoints\n",
879 device_get_nameunit(sc->dev));
880 return ENXIO;
881 }
882
883 return 0;
884 }
885
886 /*
887 * rt2870_init_channels
888 */
889 static void rt2870_init_channels(struct rt2870_softc *sc)
890 {
891 struct ieee80211com *ic;
892 struct ieee80211_channel *c;
893 int i, flags;
894
895 ic = &sc->ic;
896
897 /* set supported channels for 2GHz band */
898
899 for (i = 1; i <= 14; i++)
900 {
901 c = &ic->ic_channels[ic->ic_nchans++];
902 flags = IEEE80211_CHAN_B;
903
904 c->ic_freq = ieee80211_ieee2mhz(i, flags);
905 c->ic_ieee = i;
906 c->ic_flags = flags;
907
908 c = &ic->ic_channels[ic->ic_nchans++];
909 flags = IEEE80211_CHAN_B | IEEE80211_CHAN_HT20;
910
911 c->ic_freq = ieee80211_ieee2mhz(i, flags);
912 c->ic_ieee = i;
913 c->ic_flags = flags;
914
915 c = &ic->ic_channels[ic->ic_nchans++];
916 flags = IEEE80211_CHAN_G;
917
918 c->ic_freq = ieee80211_ieee2mhz(i, flags);
919 c->ic_ieee = i;
920 c->ic_flags = flags;
921
922 c = &ic->ic_channels[ic->ic_nchans++];
923 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT20;
924
925 c->ic_freq = ieee80211_ieee2mhz(i, flags);
926 c->ic_ieee = i;
927 c->ic_flags = flags;
928 }
929
930 /* set supported channels for 5GHz band */
931
932 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
933 sc->rf_rev == RT2870_EEPROM_RF_2750)
934 {
935 for (i = 36; i <= 64; i += 4)
936 {
937 c = &ic->ic_channels[ic->ic_nchans++];
938 flags = IEEE80211_CHAN_A;
939
940 c->ic_freq = ieee80211_ieee2mhz(i, flags);
941 c->ic_ieee = i;
942 c->ic_flags = flags;
943
944 c = &ic->ic_channels[ic->ic_nchans++];
945 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
946
947 c->ic_freq = ieee80211_ieee2mhz(i, flags);
948 c->ic_ieee = i;
949 c->ic_flags = flags;
950 }
951
952 for (i = 100; i <= 140; i += 4)
953 {
954 c = &ic->ic_channels[ic->ic_nchans++];
955 flags = IEEE80211_CHAN_A;
956
957 c->ic_freq = ieee80211_ieee2mhz(i, flags);
958 c->ic_ieee = i;
959 c->ic_flags = flags;
960
961 c = &ic->ic_channels[ic->ic_nchans++];
962 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
963
964 c->ic_freq = ieee80211_ieee2mhz(i, flags);
965 c->ic_ieee = i;
966 c->ic_flags = flags;
967 }
968
969 for (i = 149; i <= 165; i += 4)
970 {
971 c = &ic->ic_channels[ic->ic_nchans++];
972 flags = IEEE80211_CHAN_A;
973
974 c->ic_freq = ieee80211_ieee2mhz(i, flags);
975 c->ic_ieee = i;
976 c->ic_flags = flags;
977
978 c = &ic->ic_channels[ic->ic_nchans++];
979 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT20;
980
981 c->ic_freq = ieee80211_ieee2mhz(i, flags);
982 c->ic_ieee = i;
983 c->ic_flags = flags;
984 }
985 }
986 }
987
988 /*
989 * rt2870_init_channels_ht40
990 */
991 static void rt2870_init_channels_ht40(struct rt2870_softc *sc)
992 {
993 struct ieee80211com *ic;
994 struct ieee80211_channel *c, *cent, *ext;
995 int i, flags;
996
997 ic = &sc->ic;
998
999 /* set supported channels for 2GHz band */
1000
1001 for (i = 1; i <= 14; i++)
1002 {
1003 flags = IEEE80211_CHAN_G | IEEE80211_CHAN_HT40;
1004
1005 /* find the center channel */
1006
1007 cent = ieee80211_find_channel_byieee(ic, i,
1008 flags & ~IEEE80211_CHAN_HT);
1009 if (cent == NULL)
1010 {
1011 printf("%s: skip channel %d, could not find center channel\n",
1012 device_get_nameunit(sc->dev), i);
1013 continue;
1014 }
1015
1016 /* find the extension channel */
1017
1018 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1019 flags & ~IEEE80211_CHAN_HT);
1020 if (ext == NULL)
1021 {
1022 printf("%s: skip channel %d, could not find extension channel\n",
1023 device_get_nameunit(sc->dev), i);
1024 continue;
1025 }
1026
1027 c = &ic->ic_channels[ic->ic_nchans++];
1028
1029 *c = *cent;
1030 c->ic_extieee = ext->ic_ieee;
1031 c->ic_flags &= ~IEEE80211_CHAN_HT;
1032 c->ic_flags |= IEEE80211_CHAN_HT40U;
1033
1034 c = &ic->ic_channels[ic->ic_nchans++];
1035
1036 *c = *ext;
1037 c->ic_extieee = cent->ic_ieee;
1038 c->ic_flags &= ~IEEE80211_CHAN_HT;
1039 c->ic_flags |= IEEE80211_CHAN_HT40D;
1040 }
1041
1042 /* set supported channels for 5GHz band */
1043
1044 if (sc->rf_rev == RT2870_EEPROM_RF_2850 ||
1045 sc->rf_rev == RT2870_EEPROM_RF_2750)
1046 {
1047 for (i = 36; i <= 64; i += 4)
1048 {
1049 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1050
1051 /* find the center channel */
1052
1053 cent = ieee80211_find_channel_byieee(ic, i,
1054 flags & ~IEEE80211_CHAN_HT);
1055 if (cent == NULL)
1056 {
1057 printf("%s: skip channel %d, could not find center channel\n",
1058 device_get_nameunit(sc->dev), i);
1059 continue;
1060 }
1061
1062 /* find the extension channel */
1063
1064 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1065 flags & ~IEEE80211_CHAN_HT);
1066 if (ext == NULL)
1067 {
1068 printf("%s: skip channel %d, could not find extension channel\n",
1069 device_get_nameunit(sc->dev), i);
1070 continue;
1071 }
1072
1073 c = &ic->ic_channels[ic->ic_nchans++];
1074
1075 *c = *cent;
1076 c->ic_extieee = ext->ic_ieee;
1077 c->ic_flags &= ~IEEE80211_CHAN_HT;
1078 c->ic_flags |= IEEE80211_CHAN_HT40U;
1079
1080 c = &ic->ic_channels[ic->ic_nchans++];
1081
1082 *c = *ext;
1083 c->ic_extieee = cent->ic_ieee;
1084 c->ic_flags &= ~IEEE80211_CHAN_HT;
1085 c->ic_flags |= IEEE80211_CHAN_HT40D;
1086 }
1087
1088 for (i = 100; i <= 140; i += 4)
1089 {
1090 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1091
1092 /* find the center channel */
1093
1094 cent = ieee80211_find_channel_byieee(ic, i,
1095 flags & ~IEEE80211_CHAN_HT);
1096 if (cent == NULL)
1097 {
1098 printf("%s: skip channel %d, could not find center channel\n",
1099 device_get_nameunit(sc->dev), i);
1100 continue;
1101 }
1102
1103 /* find the extension channel */
1104
1105 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1106 flags & ~IEEE80211_CHAN_HT);
1107 if (ext == NULL)
1108 {
1109 printf("%s: skip channel %d, could not find extension channel\n",
1110 device_get_nameunit(sc->dev), i);
1111 continue;
1112 }
1113
1114 c = &ic->ic_channels[ic->ic_nchans++];
1115
1116 *c = *cent;
1117 c->ic_extieee = ext->ic_ieee;
1118 c->ic_flags &= ~IEEE80211_CHAN_HT;
1119 c->ic_flags |= IEEE80211_CHAN_HT40U;
1120
1121 c = &ic->ic_channels[ic->ic_nchans++];
1122
1123 *c = *ext;
1124 c->ic_extieee = cent->ic_ieee;
1125 c->ic_flags &= ~IEEE80211_CHAN_HT;
1126 c->ic_flags |= IEEE80211_CHAN_HT40D;
1127 }
1128
1129 for (i = 149; i <= 165; i += 4)
1130 {
1131 flags = IEEE80211_CHAN_A | IEEE80211_CHAN_HT40;
1132
1133 /* find the center channel */
1134
1135 cent = ieee80211_find_channel_byieee(ic, i,
1136 flags & ~IEEE80211_CHAN_HT);
1137 if (cent == NULL)
1138 {
1139 printf("%s: skip channel %d, could not find center channel\n",
1140 device_get_nameunit(sc->dev), i);
1141 continue;
1142 }
1143
1144 /* find the extension channel */
1145
1146 ext = ieee80211_find_channel(ic, cent->ic_freq + 20,
1147 flags & ~IEEE80211_CHAN_HT);
1148 if (ext == NULL)
1149 {
1150 printf("%s: skip channel %d, could not find extension channel\n",
1151 device_get_nameunit(sc->dev), i);
1152 continue;
1153 }
1154
1155 c = &ic->ic_channels[ic->ic_nchans++];
1156
1157 *c = *cent;
1158 c->ic_extieee = ext->ic_ieee;
1159 c->ic_flags &= ~IEEE80211_CHAN_HT;
1160 c->ic_flags |= IEEE80211_CHAN_HT40U;
1161
1162 c = &ic->ic_channels[ic->ic_nchans++];
1163
1164 *c = *ext;
1165 c->ic_extieee = cent->ic_ieee;
1166 c->ic_flags &= ~IEEE80211_CHAN_HT;
1167 c->ic_flags |= IEEE80211_CHAN_HT40D;
1168 }
1169 }
1170 }
1171
1172 /*
1173 * rt2870_init_locked
1174 */
1175 static void rt2870_init_locked(void *priv)
1176 {
1177 struct rt2870_softc *sc;
1178 struct ieee80211com *ic;
1179 struct ifnet *ifp;
1180 struct rt2870_softc_rx_data *data;
1181 int ntries, error, i;
1182 uint32_t tmp, stacnt[6];
1183
1184 sc = priv;
1185 ic = &sc->ic;
1186 ifp = ic->ic_ifp;
1187
1188 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1189 "%s: initializing\n",
1190 device_get_nameunit(sc->dev));
1191
1192 if (!(sc->flags & RT2870_SOFTC_FLAGS_UCODE_LOADED))
1193 {
1194 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1195 "%s: loading 8051 microcode\n",
1196 device_get_nameunit(sc->dev));
1197
1198 error = rt2870_io_mcu_load_ucode(sc, rt2870_ucode, sizeof(rt2870_ucode));
1199 if (error != 0)
1200 {
1201 printf("%s: could not load 8051 microcode\n",
1202 device_get_nameunit(sc->dev));
1203 goto fail;
1204 }
1205
1206 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1207 "%s: 8051 microcode was successfully loaded\n",
1208 device_get_nameunit(sc->dev));
1209
1210 sc->flags |= RT2870_SOFTC_FLAGS_UCODE_LOADED;
1211 }
1212
1213 /* wait while DMA engine is busy */
1214
1215 for (ntries = 0; ntries < 100; ntries++)
1216 {
1217 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
1218 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
1219 break;
1220
1221 DELAY(1000);
1222 }
1223
1224 if (ntries == 100)
1225 {
1226 printf("%s: timeout waiting for DMA engine\n",
1227 device_get_nameunit(sc->dev));
1228 goto fail;
1229 }
1230
1231 tmp &= 0xff0;
1232 tmp |= RT2870_REG_TX_WB_DDONE;
1233
1234 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1235
1236 /* PBF hardware reset */
1237
1238 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_SYS_CTRL);
1239
1240 tmp &= ~(1 << 13);
1241
1242 rt2870_io_mac_write(sc, RT2870_REG_PBF_SYS_CTRL, tmp);
1243
1244 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1245 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1246
1247 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1248
1249 rt2870_io_mcu_reset(sc);
1250
1251 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1252
1253 /* init Tx power per rate */
1254
1255 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
1256 {
1257 if (sc->txpow_rate_20mhz[i] == 0xffffffff)
1258 continue;
1259
1260 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i),
1261 sc->txpow_rate_20mhz[i]);
1262 }
1263
1264 for (i = 0; i < RT2870_DEF_MAC_SIZE; i++)
1265 rt2870_io_mac_write(sc, rt2870_def_mac[i].reg,
1266 rt2870_def_mac[i].val);
1267
1268 /* wait while MAC is busy */
1269
1270 for (ntries = 0; ntries < 100; ntries++)
1271 {
1272 if (!(rt2870_io_mac_read(sc, RT2870_REG_STATUS_CFG) &
1273 (RT2870_REG_STATUS_TX_BUSY | RT2870_REG_STATUS_RX_BUSY)))
1274 break;
1275
1276 DELAY(1000);
1277 }
1278
1279 if (ntries == 100)
1280 {
1281 printf("%s: timeout waiting for MAC\n",
1282 device_get_nameunit(sc->dev));
1283 goto fail;
1284 }
1285
1286 /* clear Host to MCU mailbox */
1287
1288 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX_BBP_AGENT, 0);
1289 rt2870_io_mac_write(sc, RT2870_REG_H2M_MAILBOX, 0);
1290
1291 DELAY(1000);
1292
1293 error = rt2870_init_bbp(sc);
1294 if (error != 0)
1295 goto fail;
1296
1297 /* set up maximum buffer sizes */
1298
1299 tmp = (1 << 12) | RT2870_MAX_AGG_SIZE;
1300
1301 if (sc->mac_rev >= 0x28720200 && sc->mac_rev < 0x30700200)
1302 {
1303 tmp &= 0xfff;
1304 tmp |= 0x2000;
1305 }
1306
1307 rt2870_io_mac_write(sc, RT2870_REG_MAX_LEN_CFG, tmp);
1308
1309 /* set mac address */
1310
1311 IEEE80211_ADDR_COPY(ic->ic_myaddr, IF_LLADDR(ifp));
1312
1313 rt2870_asic_set_macaddr(sc, ic->ic_myaddr);
1314
1315 /* clear statistic registers */
1316
1317 rt2870_io_mac_read_multi(sc, RT2870_REG_RX_STA_CNT0,
1318 stacnt, sizeof(stacnt));
1319
1320 /* send LEDs operating mode to microcontroller */
1321
1322 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED1,
1323 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[0]);
1324 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED2,
1325 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[1]);
1326 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_LED3,
1327 RT2870_REG_H2M_TOKEN_NO_INTR, sc->led_off[2]);
1328
1329 /* write vendor-specific BBP values (from EEPROM) */
1330
1331 for (i = 0; i < RT2870_SOFTC_BBP_EEPROM_COUNT; i++)
1332 {
1333 if (sc->bbp_eeprom[i].reg == 0x00 ||
1334 sc->bbp_eeprom[i].reg == 0xff)
1335 continue;
1336
1337 rt2870_io_bbp_write(sc, sc->bbp_eeprom[i].reg,
1338 sc->bbp_eeprom[i].val);
1339 }
1340
1341 /* disable non-existing Rx chains */
1342
1343 tmp = rt2870_io_bbp_read(sc, 3);
1344
1345 tmp &= ~((1 << 4) | (1 << 3));
1346
1347 if (sc->nrxpath == 3)
1348 tmp |= (1 << 4);
1349 else if (sc->nrxpath == 2)
1350 tmp |= (1 << 3);
1351
1352 rt2870_io_bbp_write(sc, 3, tmp);
1353
1354 /* disable non-existing Tx chains */
1355
1356 tmp = rt2870_io_bbp_read(sc, 1);
1357
1358 tmp &= ~((1 << 4) | (1 << 3));
1359
1360 if (sc->ntxpath == 2)
1361 tmp |= (1 << 4);
1362
1363 rt2870_io_bbp_write(sc, 1, tmp);
1364
1365 /* set current channel */
1366
1367 rt2870_rf_set_chan(sc, ic->ic_curchan);
1368
1369 /* turn radio LED on */
1370
1371 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON);
1372
1373 rt2870_io_mcu_cmd(sc, RT2870_IO_MCU_CMD_BOOT,
1374 RT2870_REG_H2M_TOKEN_NO_INTR, 0);
1375
1376 /* set RTS threshold */
1377
1378 rt2870_asic_update_rtsthreshold(sc);
1379
1380 /* set Tx power */
1381
1382 rt2870_asic_update_txpower(sc);
1383
1384 /* set up protection mode */
1385
1386 rt2870_asic_updateprot(sc);
1387
1388 /* clear key tables */
1389
1390 rt2870_asic_clear_keytables(sc);
1391
1392 /* clear beacon frame space (entries = 8, entry size = 512) */
1393
1394 rt2870_io_mac_set_region_4(sc, RT2870_REG_BEACON_BASE(0), 0, 1024);
1395
1396 /* enable Tx/Rx DMA engine */
1397
1398 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_USB_CYC_CFG);
1399
1400 tmp &= 0xffffff00;
1401 tmp |= 0x1e;
1402
1403 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_CYC_CFG, tmp);
1404
1405 if ((sc->mac_rev & 0xffff) != 0x0101)
1406 rt2870_io_mac_write(sc, RT2870_REG_TX_TXOP_CTRL_CFG, 0x583f);
1407
1408 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, RT2870_REG_TX_ENABLE);
1409
1410 for (ntries = 0; ntries < 200; ntries++)
1411 {
1412 tmp = rt2870_io_mac_read(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG);
1413 if (!(tmp & (RT2870_REG_TX_DMA_BUSY | RT2870_REG_RX_DMA_BUSY)))
1414 break;
1415
1416 DELAY(1000);
1417 }
1418
1419 if (ntries == 200)
1420 {
1421 printf("%s: timeout waiting for DMA engine\n",
1422 device_get_nameunit(sc->dev));
1423 goto fail;
1424 }
1425
1426 DELAY(50);
1427
1428 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG, 0);
1429 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
1430 (48 << 16) | 96);
1431
1432 tmp |= RT2870_REG_TX_WB_DDONE |
1433 RT2870_REG_RX_DMA_ENABLE |
1434 RT2870_REG_TX_DMA_ENABLE;
1435
1436 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WPDMA_GLO_CFG, tmp);
1437
1438 tmp = RT2870_REG_USB_DMA_TX_ENABLE |
1439 RT2870_REG_USB_DMA_RX_ENABLE |
1440 RT2870_REG_USB_DMA_RX_AGG_ENABLE |
1441 /* Rx agg limit in unit of 1024 byte */
1442 ((RT2870_USB_RX_BULK_BUFLEN / 1024 - 3) << RT2870_REG_USB_DMA_RX_AGG_LIMIT_SHIFT) |
1443 /* Rx agg timeout in unit of 33ns */
1444 0x80;
1445
1446 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, tmp);
1447
1448 /* set Rx filter */
1449
1450 tmp = RT2870_REG_RX_FILTER_DROP_CRC_ERR |
1451 RT2870_REG_RX_FILTER_DROP_PHY_ERR;
1452
1453 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1454 {
1455 tmp |= RT2870_REG_RX_FILTER_DROP_DUPL |
1456 RT2870_REG_RX_FILTER_DROP_CTS |
1457 RT2870_REG_RX_FILTER_DROP_BA |
1458 RT2870_REG_RX_FILTER_DROP_ACK |
1459 RT2870_REG_RX_FILTER_DROP_VER_ERR |
1460 RT2870_REG_RX_FILTER_DROP_CTRL_RSV |
1461 RT2870_REG_RX_FILTER_DROP_CFACK |
1462 RT2870_REG_RX_FILTER_DROP_CFEND;
1463
1464 if (ic->ic_opmode == IEEE80211_M_STA)
1465 tmp |= RT2870_REG_RX_FILTER_DROP_RTS |
1466 RT2870_REG_RX_FILTER_DROP_PSPOLL;
1467
1468 if (!(ifp->if_flags & IFF_PROMISC))
1469 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
1470 }
1471
1472 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
1473
1474 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1475 RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
1476
1477 /* clear garbage interrupts */
1478
1479 tmp = rt2870_io_mac_read(sc, 0x1300);
1480
1481 taskqueue_unblock(sc->taskqueue);
1482
1483 /* init Tx and Rx rings */
1484
1485 for(i = 0; i < sc->usb_endpoints - 1; i++)
1486 rt2870_reset_tx_ring(sc, &sc->tx_ring[i]);
1487
1488 rt2870_reset_rx_ring(sc, &sc->rx_ring);
1489
1490 rt2870_reset_cmd_ring(sc, &sc->cmd_ring);
1491
1492 /* start up the receive pipe */
1493
1494 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
1495 {
1496 data = &sc->rx_ring.data[i];
1497
1498 STAILQ_INSERT_TAIL(&sc->rx_ring.active, data, next);
1499
1500 usbd_setup_xfer(data->xfer, sc->rx_ring.usb_pipe, sc, data->buf,
1501 RT2870_USB_RX_BULK_BUFLEN, USBD_SHORT_XFER_OK | USBD_NO_COPY,
1502 USBD_NO_TIMEOUT, rt2870_rx_intr);
1503
1504 usbd_transfer(data->xfer);
1505 }
1506
1507 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
1508 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1509
1510 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1511 {
1512 if (ic->ic_roaming != IEEE80211_ROAMING_MANUAL)
1513 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
1514 }
1515 else
1516 {
1517 ieee80211_new_state(ic, IEEE80211_S_RUN, -1);
1518 }
1519
1520 sc->periodic_round = 0;
1521
1522 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
1523
1524 return;
1525
1526 fail:
1527
1528 rt2870_stop_locked(sc);
1529 }
1530
1531 /*
1532 * rt2870_init
1533 */
1534 static void rt2870_init(void *priv)
1535 {
1536 struct rt2870_softc *sc;
1537
1538 sc = priv;
1539
1540 rt2870_init_locked(sc);
1541 }
1542
1543 /*
1544 * rt2870_init_bbp
1545 */
1546 static int rt2870_init_bbp(struct rt2870_softc *sc)
1547 {
1548 int ntries, i;
1549 uint8_t tmp;
1550
1551 for (ntries = 0; ntries < 20; ntries++)
1552 {
1553 tmp = rt2870_io_bbp_read(sc, 0);
1554 if (tmp != 0x00 && tmp != 0xff)
1555 break;
1556 }
1557
1558 if (tmp == 0x00 || tmp == 0xff)
1559 {
1560 printf("%s: timeout waiting for BBP to wakeup\n",
1561 device_get_nameunit(sc->dev));
1562 return ETIMEDOUT;
1563 }
1564
1565 for (i = 0; i < RT2870_DEF_BBP_SIZE; i++)
1566 rt2870_io_bbp_write(sc, rt2870_def_bbp[i].reg,
1567 rt2870_def_bbp[i].val);
1568
1569 if ((sc->mac_rev & 0xffff) != 0x0101)
1570 rt2870_io_bbp_write(sc, 84, 0x19);
1571
1572 return 0;
1573 }
1574
1575 /*
1576 * rt2870_stop
1577 */
1578 static void rt2870_stop_locked(void *priv)
1579 {
1580 struct rt2870_softc *sc;
1581 struct ieee80211com *ic;
1582 struct ifnet *ifp;
1583 uint32_t tmp;
1584 int i;
1585
1586 sc = priv;
1587 ic = &sc->ic;
1588 ifp = ic->ic_ifp;
1589
1590 RT2870_DPRINTF(sc, RT2870_DEBUG_ANY,
1591 "%s: stopping\n",
1592 device_get_nameunit(sc->dev));
1593
1594 sc->tx_timer = 0;
1595
1596 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1597 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
1598
1599 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE);
1600
1601 ieee80211_new_state(ic, IEEE80211_S_INIT, -1);
1602
1603 callout_stop(&sc->periodic_ch);
1604 callout_stop(&sc->tx_watchdog_ch);
1605
1606 taskqueue_block(sc->taskqueue);
1607
1608 taskqueue_drain(sc->taskqueue, &sc->rx_done_task);
1609 taskqueue_drain(sc->taskqueue, &sc->tx_done_task);
1610 taskqueue_drain(sc->taskqueue, &sc->periodic_task);
1611 taskqueue_drain(sc->taskqueue, &sc->cmd_task);
1612
1613 /* clear key tables */
1614
1615 rt2870_asic_clear_keytables(sc);
1616
1617 /* disable Tx/Rx */
1618
1619 tmp = rt2870_io_mac_read(sc, RT2870_REG_SYS_CTRL);
1620
1621 tmp &= ~(RT2870_REG_RX_ENABLE | RT2870_REG_TX_ENABLE);
1622
1623 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, tmp);
1624
1625 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_USB_DMA_CFG, 0);
1626
1627 /* reset adapter */
1628
1629 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL,
1630 RT2870_REG_MAC_SRST | RT2870_REG_BBP_HRST);
1631 rt2870_io_mac_write(sc, RT2870_REG_SYS_CTRL, 0);
1632
1633 /* abort any pending transfers */
1634
1635 if (sc->rx_ring.usb_pipe != NULL)
1636 usbd_abort_pipe(sc->rx_ring.usb_pipe);
1637
1638 for (i = 0; i < sc->usb_endpoints - 1; i++)
1639 if (sc->tx_ring[i].usb_pipe != NULL)
1640 usbd_abort_pipe(sc->tx_ring[i].usb_pipe);
1641 }
1642
1643 /*
1644 * rt2870_stop
1645 */
1646 static void rt2870_stop(void *priv)
1647 {
1648 struct rt2870_softc *sc;
1649
1650 sc = priv;
1651
1652 rt2870_stop_locked(sc);
1653 }
1654
1655 /*
1656 * rt2870_start
1657 */
1658 static void rt2870_start(struct ifnet *ifp)
1659 {
1660 struct rt2870_softc *sc;
1661 struct ieee80211com *ic;
1662 struct ieee80211_node *ni;
1663 struct ether_header *eh;
1664 struct mbuf *m;
1665 int qid;
1666
1667 sc = ifp->if_softc;
1668 ic = &sc->ic;
1669
1670 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
1671 return;
1672
1673 for (;;)
1674 {
1675 IF_POLL(&ic->ic_mgtq, m);
1676 if (m != NULL)
1677 {
1678 if (sc->tx_ring[sc->tx_ring_mgtqid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1679 {
1680 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1681 "%s: if_start: Tx ring with qid=%d is full\n",
1682 device_get_nameunit(sc->dev), sc->tx_ring_mgtqid);
1683
1684 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1685
1686 sc->tx_data_queue_full[sc->tx_ring_mgtqid]++;
1687
1688 break;
1689 }
1690
1691 IF_DEQUEUE(&ic->ic_mgtq, m);
1692
1693 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1694 m->m_pkthdr.rcvif = NULL;
1695
1696 if (bpf_peers_present(ic->ic_rawbpf))
1697 bpf_mtap(ic->ic_rawbpf, m);
1698
1699 if (rt2870_tx_frame(sc, m, ni, sc->tx_ring_mgtqid) != 0)
1700 break;
1701 }
1702 else
1703 {
1704 if (ic->ic_state != IEEE80211_S_RUN)
1705 break;
1706
1707 IF_POLL(&ifp->if_snd, m);
1708 if (m == NULL)
1709 break;
1710
1711 IFQ_DRV_DEQUEUE(&ifp->if_snd, m);
1712
1713 if (ic->ic_flags & IEEE80211_F_SCAN)
1714 ieee80211_cancel_scan(ic);
1715
1716 if (m->m_len < sizeof(struct ether_header) &&
1717 !(m = m_pullup(m, sizeof (struct ether_header))))
1718 continue;
1719
1720 eh = mtod(m, struct ether_header *);
1721
1722 ni = ieee80211_find_txnode(ic, eh->ether_dhost);
1723 if (ni == NULL)
1724 {
1725 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1726 "%s: if_start: could not find Tx node\n",
1727 device_get_nameunit(sc->dev));
1728
1729 m_freem(m);
1730
1731 continue;
1732 }
1733
1734 ieee80211_classify(ic, m, ni);
1735
1736 qid = M_WME_GETAC(m);
1737
1738 if (sc->tx_ring[qid].queued >= RT2870_SOFTC_TX_RING_DATA_COUNT)
1739 {
1740 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
1741 "%s: if_start: Tx ring with qid=%d is full\n",
1742 device_get_nameunit(sc->dev), qid);
1743
1744 m_freem(m);
1745 ieee80211_free_node(ni);
1746
1747 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1748 ifp->if_oerrors++;
1749
1750 sc->tx_data_queue_full[qid]++;
1751
1752 break;
1753 }
1754
1755 BPF_MTAP(ifp, m);
1756
1757 m = ieee80211_encap(ic, m, ni);
1758 if (m == NULL)
1759 {
1760 ieee80211_free_node(ni);
1761
1762 ifp->if_oerrors++;
1763
1764 continue;
1765 }
1766
1767 if (bpf_peers_present(ic->ic_rawbpf))
1768 bpf_mtap(ic->ic_rawbpf, m);
1769
1770 if (rt2870_tx_frame(sc, m, ni, qid) != 0)
1771 {
1772 ieee80211_free_node(ni);
1773
1774 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1775 ifp->if_oerrors++;
1776
1777 break;
1778 }
1779 }
1780
1781 sc->tx_timer = RT2870_TX_WATCHDOG_TIMEOUT;
1782
1783 ic->ic_lastdata = ticks;
1784
1785 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
1786 }
1787 }
1788
1789 /*
1790 * rt2870_ioctl
1791 */
1792 static int rt2870_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
1793 {
1794 struct rt2870_softc *sc;
1795 struct ieee80211com *ic;
1796 int error;
1797
1798 sc = ifp->if_softc;
1799 ic = &sc->ic;
1800
1801 error = 0;
1802
1803 switch (cmd)
1804 {
1805 case SIOCSIFFLAGS:
1806 if (ifp->if_flags & IFF_UP)
1807 {
1808 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1809 {
1810 if ((ifp->if_flags ^ sc->if_flags) & IFF_PROMISC)
1811 rt2870_asic_update_promisc(sc);
1812 }
1813 else
1814 {
1815 rt2870_init_locked(sc);
1816 }
1817 }
1818 else
1819 {
1820 if (ifp->if_drv_flags & IFF_DRV_RUNNING)
1821 rt2870_stop_locked(sc);
1822 }
1823
1824 sc->if_flags = ifp->if_flags;
1825 break;
1826
1827 default:
1828 error = ieee80211_ioctl(ic, cmd, data);
1829 }
1830
1831 if (error == ENETRESET)
1832 {
1833 if ((ifp->if_flags & IFF_UP) &&
1834 (ifp->if_drv_flags & IFF_DRV_RUNNING) &&
1835 (ic->ic_roaming != IEEE80211_ROAMING_MANUAL))
1836 {
1837 rt2870_stop_locked(sc);
1838 rt2870_init_locked(sc);
1839 }
1840
1841 error = 0;
1842 }
1843
1844 return error;
1845 }
1846
1847 /*
1848 * rt2870_reset
1849 */
1850 static int rt2870_reset(struct ifnet *ifp)
1851 {
1852 struct rt2870_softc *sc;
1853 struct ieee80211com *ic;
1854
1855 sc = ifp->if_softc;
1856 ic = &sc->ic;
1857
1858 if (ic->ic_opmode != IEEE80211_M_MONITOR)
1859 return ENETRESET;
1860
1861 rt2870_rf_set_chan(sc, ic->ic_curchan);
1862
1863 return 0;
1864 }
1865
1866 /*
1867 * rt2870_newstate
1868 */
1869 static int rt2870_newstate(struct ieee80211com *ic,
1870 enum ieee80211_state nstate, int arg)
1871 {
1872 struct rt2870_softc *sc;
1873 struct ifnet *ifp;
1874 struct rt2870_cmd_argv_newstate cmd_argv;
1875
1876 ifp = ic->ic_ifp;
1877 sc = ifp->if_softc;
1878
1879 cmd_argv.nstate = nstate;
1880 cmd_argv.arg = arg;
1881
1882 rt2870_do_async(sc, rt2870_newstate_cb, &cmd_argv,
1883 sizeof(struct rt2870_cmd_argv_newstate));
1884
1885 return 0;
1886 }
1887
1888 /*
1889 * rt2870_scan_start
1890 */
1891 static void rt2870_scan_start(struct ieee80211com *ic)
1892 {
1893 struct rt2870_softc *sc;
1894 struct ifnet *ifp;
1895
1896 ifp = ic->ic_ifp;
1897 sc = ifp->if_softc;
1898
1899 rt2870_do_async(sc, rt2870_scan_start_cb, NULL, 0);
1900 }
1901
1902 /*
1903 * rt2870_scan_end
1904 */
1905 static void rt2870_scan_end(struct ieee80211com *ic)
1906 {
1907 struct rt2870_softc *sc;
1908 struct ifnet *ifp;
1909
1910 ifp = ic->ic_ifp;
1911 sc = ifp->if_softc;
1912
1913 rt2870_do_async(sc, rt2870_scan_end_cb, NULL, 0);
1914 }
1915
1916 /*
1917 * rt2870_set_channel
1918 */
1919 static void rt2870_set_channel(struct ieee80211com *ic)
1920 {
1921 struct rt2870_softc *sc;
1922 struct ifnet *ifp;
1923
1924 ifp = ic->ic_ifp;
1925 sc = ifp->if_softc;
1926
1927 rt2870_do_async(sc, rt2870_set_channel_cb, NULL, 0);
1928 }
1929
1930 /*
1931 * rt2870_newassoc
1932 */
1933 static void rt2870_newassoc(struct ieee80211_node *ni, int isnew)
1934 {
1935 struct rt2870_softc *sc;
1936 struct ieee80211com *ic;
1937 struct ifnet *ifp;
1938 struct rt2870_cmd_argv_newassoc cmd_argv;
1939
1940 ic = ni->ni_ic;
1941 ifp = ic->ic_ifp;
1942 sc = ifp->if_softc;
1943
1944 cmd_argv.associd = (ni != NULL) ? ni->ni_associd : 0;
1945 cmd_argv.isnew = isnew;
1946 memcpy(cmd_argv.macaddr, ni->ni_macaddr, IEEE80211_ADDR_LEN);
1947
1948 rt2870_do_async(sc, rt2870_newassoc_cb, &cmd_argv,
1949 sizeof(struct rt2870_cmd_argv_newassoc));
1950 }
1951
1952 /*
1953 * rt2870_updateslot
1954 */
1955 static void rt2870_updateslot(struct ifnet *ifp)
1956 {
1957 struct rt2870_softc *sc;
1958
1959 sc = ifp->if_softc;
1960
1961 rt2870_do_async(sc, rt2870_updateslot_cb, NULL, 0);
1962 }
1963
1964 /*
1965 * rt2870_wme_update
1966 */
1967 static int rt2870_wme_update(struct ieee80211com *ic)
1968 {
1969 struct rt2870_softc *sc;
1970 struct ifnet *ifp;
1971
1972 ifp = ic->ic_ifp;
1973 sc = ifp->if_softc;
1974
1975 rt2870_do_async(sc, rt2870_wme_update_cb, NULL, 0);
1976
1977 return 0;
1978 }
1979
1980 /*
1981 * rt2870_update_beacon
1982 */
1983 static void rt2870_update_beacon(struct ieee80211com *ic, int what)
1984 {
1985 struct rt2870_softc *sc;
1986 struct ifnet *ifp;
1987 struct rt2870_cmd_argv_updatebeacon cmd_argv;
1988
1989 ifp = ic->ic_ifp;
1990 sc = ifp->if_softc;
1991
1992 cmd_argv.what = what;
1993
1994 rt2870_do_async(sc, rt2870_update_beacon_cb, &cmd_argv,
1995 sizeof(struct rt2870_cmd_argv_updatebeacon));
1996 }
1997
1998 /*
1999 * rt2870_key_update_begin
2000 */
2001 static void rt2870_key_update_begin(struct ieee80211com *ic)
2002 {
2003 struct rt2870_softc *sc;
2004 struct ifnet *ifp;
2005
2006 ifp = ic->ic_ifp;
2007 sc = ifp->if_softc;
2008
2009 rt2870_do_async(sc, rt2870_key_update_begin_cb, NULL, 0);
2010 }
2011
2012 /*
2013 * rt2870_key_update_end
2014 */
2015 static void rt2870_key_update_end(struct ieee80211com *ic)
2016 {
2017 struct rt2870_softc *sc;
2018 struct ifnet *ifp;
2019
2020 ifp = ic->ic_ifp;
2021 sc = ifp->if_softc;
2022
2023 rt2870_do_async(sc, rt2870_key_update_end_cb, NULL, 0);
2024 }
2025
2026 /*
2027 * rt2870_key_set
2028 */
2029 static int rt2870_key_set(struct ieee80211com *ic,
2030 const struct ieee80211_key *k, const uint8_t mac[IEEE80211_ADDR_LEN])
2031 {
2032 struct rt2870_softc *sc;
2033 struct ifnet *ifp;
2034 struct ieee80211_node *ni;
2035 struct rt2870_cmd_argv_keyset cmd_argv;
2036
2037 if (k->wk_cipher->ic_cipher != IEEE80211_CIPHER_WEP &&
2038 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_TKIP &&
2039 k->wk_cipher->ic_cipher != IEEE80211_CIPHER_AES_CCM)
2040 return EINVAL;
2041
2042 ifp = ic->ic_ifp;
2043 sc = ifp->if_softc;
2044
2045 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2046 ni = ic->ic_bss;
2047 else
2048 ni = ieee80211_find_node(&ic->ic_sta, mac);
2049
2050 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2051 cmd_argv.associd = (ni != NULL) ? ni->ni_associd : 0;
2052
2053 if ((ic->ic_opmode == IEEE80211_M_HOSTAP) && (ni != NULL))
2054 ieee80211_free_node(ni);
2055
2056 rt2870_do_async(sc, rt2870_key_set_cb, &cmd_argv,
2057 sizeof(struct rt2870_cmd_argv_keyset));
2058
2059 return 1;
2060 }
2061
2062 /*
2063 * rt2870_key_delete
2064 */
2065 static int rt2870_key_delete(struct ieee80211com *ic,
2066 const struct ieee80211_key *k)
2067 {
2068 struct rt2870_softc *sc;
2069 struct ifnet *ifp;
2070 struct ieee80211_node *ni;
2071 struct rt2870_cmd_argv_keydelete cmd_argv;
2072
2073 ifp = ic->ic_ifp;
2074 sc = ifp->if_softc;
2075 ni = ic->ic_bss;
2076
2077 memcpy(&cmd_argv.key, k, sizeof(struct ieee80211_key));
2078 cmd_argv.associd = (ni != NULL) ? ni->ni_associd : 0;
2079
2080 rt2870_do_async(sc, rt2870_key_delete_cb, &cmd_argv,
2081 sizeof(struct rt2870_cmd_argv_keydelete));
2082
2083 return 1;
2084 }
2085
2086 /*
2087 * rt2870_raw_xmit
2088 */
2089 static int rt2870_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
2090 const struct ieee80211_bpf_params *params)
2091 {
2092 struct ieee80211com *ic;
2093 struct ifnet *ifp;
2094 struct rt2870_softc *sc;
2095
2096 ic = ni->ni_ic;
2097 ifp = ic->ic_ifp;
2098 sc = ifp->if_softc;
2099
2100 return 0;
2101 }
2102
2103 /*
2104 * rt2870_media_change
2105 */
2106 static int rt2870_media_change(struct ifnet *ifp)
2107 {
2108 struct rt2870_softc *sc;
2109 int error;
2110
2111 sc = ifp->if_softc;
2112
2113 error = ieee80211_media_change(ifp);
2114 if (error != ENETRESET)
2115 return error;
2116
2117 if ((ifp->if_flags & IFF_UP) && (ifp->if_drv_flags & IFF_DRV_RUNNING))
2118 {
2119 rt2870_stop(sc);
2120 rt2870_init(sc);
2121 }
2122
2123 return 0;
2124 }
2125
2126 /*
2127 * rt2870_node_alloc
2128 */
2129 static struct ieee80211_node *rt2870_node_alloc(struct ieee80211_node_table *nt)
2130 {
2131 return malloc(sizeof(struct rt2870_softc_node),
2132 M_80211_NODE, M_NOWAIT | M_ZERO);
2133 }
2134
2135 /*
2136 * rt2870_recv_action
2137 */
2138 static void rt2870_recv_action(struct ieee80211_node *ni,
2139 const uint8_t *frm, const uint8_t *efrm)
2140 {
2141 struct rt2870_softc *sc;
2142 struct ieee80211com *ic;
2143 struct ifnet *ifp;
2144 const struct ieee80211_action *ia;
2145 uint16_t associd, status, baparamset;
2146 uint8_t wcid;
2147 int tid, bufsize;
2148 uint32_t tmp;
2149
2150 ic = ni->ni_ic;
2151 ifp = ic->ic_ifp;
2152 sc = ifp->if_softc;
2153
2154 ia = (const struct ieee80211_action *) frm;
2155
2156 sc->recv_action(ni, frm, efrm);
2157
2158 if (ia->ia_category != IEEE80211_ACTION_CAT_BA)
2159 return;
2160
2161 associd = (ni != NULL) ? ni->ni_associd : 0;
2162 wcid = RT2870_AID2WCID(associd);
2163
2164 switch (ia->ia_action)
2165 {
2166 /* IEEE80211_ACTION_BA_ADDBA_REQUEST */
2167 case IEEE80211_ACTION_BA_ADDBA_REQUEST:
2168 baparamset = LE_READ_2(frm + 3);
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 request: associd=0x%04x, tid=%d, bufsize=%d\n",
2174 device_get_nameunit(sc->dev), associd, tid, bufsize);
2175
2176 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2177
2178 tmp |= (0x10000 << tid);
2179
2180 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2181 break;
2182
2183 /* IEEE80211_ACTION_BA_ADDBA_RESPONSE */
2184 case IEEE80211_ACTION_BA_ADDBA_RESPONSE:
2185 status = LE_READ_2(frm + 3);
2186 baparamset = LE_READ_2(frm + 4);
2187 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2188 bufsize = RT2870_MS(baparamset, IEEE80211_BAPS_BUFSIZ);
2189
2190 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2191 "%s: received ADDBA response: associd=0x%04x, status=%d, tid=%d, bufsize=%d\n",
2192 device_get_nameunit(sc->dev), associd, status, tid, bufsize);
2193
2194 if (status == IEEE80211_STATUS_SUCCESS)
2195 {
2196 sc->tx_ampdu_sessions++;
2197
2198 rt2870_asic_updateprot(sc);
2199 }
2200 break;
2201
2202 /* IEEE80211_ACTION_BA_DELBA */
2203 case IEEE80211_ACTION_BA_DELBA:
2204 baparamset = LE_READ_2(frm + 2);
2205 tid = RT2870_MS(baparamset, IEEE80211_BAPS_TID);
2206
2207 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2208 "%s: received DELBA request: associd=0x%04x, tid=%d\n",
2209 device_get_nameunit(sc->dev), associd, tid);
2210
2211 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2212
2213 tmp &= ~(0x10000 << tid);
2214
2215 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2216 break;
2217 }
2218 }
2219
2220 /*
2221 * rt2870_send_action
2222 */
2223 static int rt2870_send_action(struct ieee80211_node *ni,
2224 int category, int action, uint16_t args[4])
2225 {
2226 struct rt2870_softc *sc;
2227 struct ieee80211com *ic;
2228 struct ifnet *ifp;
2229 uint16_t associd, baparamset;
2230 uint8_t wcid;
2231 int ret, tid;
2232 uint32_t tmp;
2233
2234 ic = ni->ni_ic;
2235 ifp = ic->ic_ifp;
2236 sc = ifp->if_softc;
2237
2238 ret = sc->send_action(ni, category, action, args);
2239
2240 if (category != IEEE80211_ACTION_CAT_BA)
2241 return ret;
2242
2243 associd = (ni != NULL) ? ni->ni_associd : 0;
2244 wcid = RT2870_AID2WCID(associd);
2245
2246 switch (action)
2247 {
2248 /* IEEE80211_ACTION_BA_DELBA */
2249 case IEEE80211_ACTION_BA_DELBA:
2250 baparamset = RT2870_SM(args[0], IEEE80211_DELBAPS_TID) | args[1];
2251
2252 tid = RT2870_MS(baparamset, IEEE80211_DELBAPS_TID);
2253
2254 RT2870_DPRINTF(sc, RT2870_DEBUG_BA,
2255 "%s: sending DELBA request: associd=0x%04x, tid=%d\n",
2256 device_get_nameunit(sc->dev), associd, tid);
2257
2258 if (RT2870_MS(baparamset, IEEE80211_DELBAPS_INIT) != IEEE80211_DELBAPS_INIT)
2259 {
2260 tmp = rt2870_io_mac_read(sc, RT2870_REG_WCID(wcid) + 4);
2261
2262 tmp &= ~(0x10000 << tid);
2263
2264 rt2870_io_mac_write(sc, RT2870_REG_WCID(wcid) + 4, tmp);
2265 }
2266 else
2267 {
2268 sc->tx_ampdu_sessions--;
2269
2270 rt2870_asic_updateprot(sc);
2271 }
2272 break;
2273 }
2274
2275 return ret;
2276 }
2277
2278 /*
2279 * rt2870_amrr_update_iter_func
2280 */
2281 static void rt2870_amrr_update_iter_func(void *arg, struct ieee80211_node *ni)
2282 {
2283 struct rt2870_softc *sc;
2284 struct ieee80211com *ic;
2285 uint8_t wcid;
2286
2287 sc = arg;
2288 ic = &sc->ic;
2289
2290 /* only associated stations */
2291
2292 if (ni->ni_associd != 0)
2293 {
2294 wcid = RT2870_AID2WCID(ni->ni_associd);
2295
2296 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2297 "%s: AMRR node: wcid=0x%02x, txcnt=%d, success=%d, retrycnt=%d\n",
2298 device_get_nameunit(sc->dev),
2299 wcid, sc->amrr_node[wcid].txcnt, sc->amrr_node[wcid].success, sc->amrr_node[wcid].retrycnt);
2300
2301 rt2870_amrr_choose(ni, &sc->amrr_node[wcid]);
2302
2303 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2304 "%s:%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2305 device_get_nameunit(sc->dev),
2306 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2307 ni->ni_associd,
2308 (ni->ni_flags & IEEE80211_NODE_HT) ?
2309 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2310 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2311 (ni->ni_flags & IEEE80211_NODE_HT) ?
2312 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2313 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2314 }
2315 }
2316
2317 /*
2318 * rt2870_periodic
2319 */
2320 static void rt2870_periodic(void *arg)
2321 {
2322 struct rt2870_softc *sc;
2323 struct ifnet *ifp;
2324
2325 sc = arg;
2326 ifp = sc->ifp;
2327
2328 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
2329 "%s: periodic\n",
2330 device_get_nameunit(sc->dev));
2331
2332 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2333 return;
2334
2335 taskqueue_enqueue(sc->taskqueue, &sc->periodic_task);
2336 }
2337
2338 /*
2339 * rt2870_tx_watchdog
2340 */
2341 static void rt2870_tx_watchdog(void *arg)
2342 {
2343 struct rt2870_softc *sc;
2344 struct ifnet *ifp;
2345
2346 sc = arg;
2347 ifp = sc->ifp;
2348
2349 if (sc->tx_timer == 0)
2350 return;
2351
2352 if (--sc->tx_timer == 0)
2353 {
2354 printf("%s: Tx watchdog timeout: resetting\n",
2355 device_get_nameunit(sc->dev));
2356
2357 rt2870_stop_locked(sc);
2358 rt2870_init_locked(sc);
2359
2360 ifp->if_oerrors++;
2361
2362 sc->tx_watchdog_timeouts++;
2363 }
2364
2365 callout_reset(&sc->tx_watchdog_ch, hz, rt2870_tx_watchdog, sc);
2366 }
2367
2368 /*
2369 * rt2870_do_async
2370 */
2371 static int rt2870_do_async(struct rt2870_softc *sc,
2372 void (*cb)(struct rt2870_softc *sc, void *arg),
2373 void *arg, int len)
2374 {
2375 struct ifnet *ifp;
2376 struct rt2870_softc_cmd_ring *ring;
2377 struct rt2870_softc_cmd *cmd;
2378 int run_cmd_task;
2379
2380 ifp = sc->ifp;
2381 ring = &sc->cmd_ring;
2382
2383 RT2870_SOFTC_LOCK(sc);
2384
2385 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
2386 {
2387 RT2870_SOFTC_UNLOCK(sc);
2388 return -1;
2389 }
2390
2391 if (ring->queued >= RT2870_SOFTC_CMD_RING_CMD_COUNT)
2392 {
2393 RT2870_SOFTC_UNLOCK(sc);
2394 return -1;
2395 }
2396
2397 cmd = STAILQ_FIRST(&ring->inactive);
2398 STAILQ_REMOVE_HEAD(&ring->inactive, next);
2399
2400 cmd->cb = cb;
2401
2402 if(arg != NULL)
2403 memcpy(cmd->data, arg, len);
2404
2405 STAILQ_INSERT_TAIL(&ring->active, cmd, next);
2406 ring->queued++;
2407
2408 run_cmd_task = (ring->queued == 1);
2409
2410 RT2870_SOFTC_UNLOCK(sc);
2411
2412 if (run_cmd_task)
2413 taskqueue_enqueue(sc->taskqueue, &sc->cmd_task);
2414
2415 return 0;
2416 }
2417
2418 /*
2419 * rt2870_newstate_cb
2420 */
2421 static void rt2870_newstate_cb(struct rt2870_softc *sc, void *arg)
2422 {
2423 struct ieee80211com *ic;
2424 enum ieee80211_state nstate;
2425 struct ieee80211_node *ni;
2426 struct rt2870_cmd_argv_newstate *cmd_argv;
2427 int error;
2428
2429 ic = &sc->ic;
2430 cmd_argv = arg;
2431 nstate = cmd_argv->nstate;
2432
2433 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2434 "%s: newstate: %s -> %s\n",
2435 device_get_nameunit(sc->dev),
2436 ieee80211_state_name[ic->ic_state], ieee80211_state_name[nstate]);
2437
2438 error = sc->newstate(ic, nstate, cmd_argv->arg);
2439 if (error != 0)
2440 return;
2441
2442 /* turn link LED off */
2443
2444 if (nstate != IEEE80211_S_RUN)
2445 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_OFF);
2446
2447 switch (nstate)
2448 {
2449 case IEEE80211_S_INIT:
2450 rt2870_asic_disable_tsf_sync(sc);
2451 break;
2452
2453 case IEEE80211_S_RUN:
2454 ni = ic->ic_bss;
2455
2456 rt2870_rf_set_chan(sc, ni->ni_chan);
2457
2458 if (ic->ic_opmode != IEEE80211_M_MONITOR)
2459 {
2460 rt2870_asic_enable_mrr(sc);
2461 rt2870_asic_set_txpreamble(sc);
2462 rt2870_asic_set_basicrates(sc);
2463 rt2870_asic_set_bssid(sc, ni->ni_bssid);
2464 }
2465
2466 if (ic->ic_opmode == IEEE80211_M_STA)
2467 rt2870_newassoc(ni, 1);
2468
2469 if (ic->ic_opmode == IEEE80211_M_HOSTAP ||
2470 ic->ic_opmode == IEEE80211_M_IBSS)
2471 {
2472 error = rt2870_asic_update_beacon(sc);
2473 if (error != 0)
2474 break;
2475 }
2476
2477 if (ic->ic_opmode != IEEE80211_M_MONITOR)
2478 rt2870_asic_enable_tsf_sync(sc);
2479
2480 /* turn link LED on */
2481
2482 if (ic->ic_opmode != IEEE80211_M_MONITOR)
2483 {
2484 rt2870_led_cmd(sc, RT2870_LED_CMD_RADIO_ON |
2485 (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan) ?
2486 RT2870_LED_CMD_LINK_2GHZ : RT2870_LED_CMD_LINK_5GHZ));
2487 }
2488 break;
2489
2490 default:
2491 break;
2492 }
2493 }
2494
2495 /*
2496 * rt2870_scan_start_cb
2497 */
2498 static void rt2870_scan_start_cb(struct rt2870_softc *sc, void *arg)
2499 {
2500 struct ieee80211com *ic;
2501 struct ifnet *ifp;
2502
2503 ic = &sc->ic;
2504 ifp = ic->ic_ifp;
2505
2506 rt2870_asic_disable_tsf_sync(sc);
2507 }
2508
2509 /*
2510 * rt2870_scan_end_cb
2511 */
2512 static void rt2870_scan_end_cb(struct rt2870_softc *sc, void *arg)
2513 {
2514 struct ieee80211com *ic;
2515 struct ieee80211_node *ni;
2516
2517 ic = &sc->ic;
2518 ni = ic->ic_bss;
2519
2520 rt2870_asic_enable_tsf_sync(sc);
2521 }
2522
2523 /*
2524 * rt2870_set_channel_cb
2525 */
2526 static void rt2870_set_channel_cb(struct rt2870_softc *sc, void *arg)
2527 {
2528 struct ieee80211com *ic;
2529
2530 ic = &sc->ic;
2531
2532 RT2870_DPRINTF(sc, RT2870_DEBUG_CHAN,
2533 "%s: set channel: channel=%u, HT%s%s\n",
2534 device_get_nameunit(sc->dev),
2535 ieee80211_chan2ieee(ic, ic->ic_curchan),
2536 !IEEE80211_IS_CHAN_HT(ic->ic_curchan) ? " disabled" :
2537 IEEE80211_IS_CHAN_HT20(ic->ic_curchan) ? "20":
2538 IEEE80211_IS_CHAN_HT40U(ic->ic_curchan) ? "40U" : "40D",
2539 (ic->ic_flags & IEEE80211_F_SCAN) ? ", scanning" : "");
2540
2541 rt2870_rf_set_chan(sc, ic->ic_curchan);
2542 }
2543
2544 /*
2545 * rt2870_newassoc_cb
2546 */
2547 static void rt2870_newassoc_cb(struct rt2870_softc *sc, void *arg)
2548 {
2549 struct ieee80211com *ic;
2550 struct ieee80211_node *ni;
2551 struct rt2870_cmd_argv_newassoc *cmd_argv;
2552 uint16_t associd;
2553 int isnew;
2554 uint8_t *macaddr, wcid;
2555
2556 ic = &sc->ic;
2557 ni = ic->ic_bss;
2558 cmd_argv = arg;
2559 associd = cmd_argv->associd;
2560 isnew = cmd_argv->isnew;
2561 macaddr = cmd_argv->macaddr;
2562
2563 wcid = RT2870_AID2WCID(associd);
2564
2565 RT2870_DPRINTF(sc, RT2870_DEBUG_NODE,
2566 "%s: new association: wcid=0x%02x, "
2567 "mac addr=%s, QoS %s, ERP %s, HT %s\n",
2568 device_get_nameunit(sc->dev), wcid,
2569 ether_sprintf(macaddr),
2570 (ni->ni_flags & IEEE80211_NODE_QOS) ? "enabled" : "disabled",
2571 (ni->ni_flags & IEEE80211_NODE_ERP) ? "enabled" : "disabled",
2572 (ni->ni_flags & IEEE80211_NODE_HT) ? "enabled" : "disabled");
2573
2574 rt2870_io_mac_write_multi(sc, RT2870_REG_WCID(wcid),
2575 macaddr, IEEE80211_ADDR_LEN);
2576
2577 rt2870_amrr_node_init(&sc->amrr, &sc->amrr_node[wcid], ni);
2578
2579 RT2870_DPRINTF(sc, RT2870_DEBUG_RATE,
2580 "%s: initial%s node Tx rate: associd=0x%04x, rate=0x%02x, max rate=0x%02x\n",
2581 device_get_nameunit(sc->dev),
2582 (ni->ni_flags & IEEE80211_NODE_HT) ? " HT" : "",
2583 ni->ni_associd,
2584 (ni->ni_flags & IEEE80211_NODE_HT) ?
2585 (ni->ni_htrates.rs_rates[ni->ni_txrate] | IEEE80211_RATE_MCS) :
2586 (ni->ni_rates.rs_rates[ni->ni_txrate] & IEEE80211_RATE_VAL),
2587 (ni->ni_flags & IEEE80211_NODE_HT) ?
2588 (ni->ni_htrates.rs_rates[ni->ni_htrates.rs_nrates - 1] | IEEE80211_RATE_MCS) :
2589 (ni->ni_rates.rs_rates[ni->ni_rates.rs_nrates - 1] & IEEE80211_RATE_VAL));
2590
2591 rt2870_asic_updateprot(sc);
2592 rt2870_asic_updateslot(sc);
2593 rt2870_asic_set_txpreamble(sc);
2594 }
2595
2596 /*
2597 * rt2870_updateslot_cb
2598 */
2599 static void rt2870_updateslot_cb(struct rt2870_softc *sc, void *arg)
2600 {
2601 rt2870_asic_updateslot(sc);
2602 }
2603
2604 /*
2605 * rt2870_wme_update_cb
2606 */
2607 static void rt2870_wme_update_cb(struct rt2870_softc *sc, void *arg)
2608 {
2609 rt2870_asic_wme_update(sc);
2610 }
2611
2612 /*
2613 * rt2870_update_beacon_cb
2614 */
2615 static void rt2870_update_beacon_cb(struct rt2870_softc *sc, void *arg)
2616 {
2617 struct rt2870_cmd_argv_updatebeacon *cmd_argv;
2618
2619 cmd_argv = arg;
2620
2621 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2622 "%s: update beacon\n",
2623 device_get_nameunit(sc->dev));
2624
2625 rt2870_asic_update_beacon(sc);
2626 }
2627
2628 /*
2629 * rt2870_key_update_begin_cb
2630 */
2631 static void rt2870_key_update_begin_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 begin\n",
2639 device_get_nameunit(sc->dev));
2640
2641 taskqueue_block(sc->taskqueue);
2642
2643 IF_LOCK(&ifp->if_snd);
2644 }
2645
2646 /*
2647 * rt2870_key_update_end_cb
2648 */
2649 static void rt2870_key_update_end_cb(struct rt2870_softc *sc, void *arg)
2650 {
2651 struct ifnet *ifp;
2652
2653 ifp = sc->ifp;
2654
2655 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2656 "%s: key update end\n",
2657 device_get_nameunit(sc->dev));
2658
2659 IF_UNLOCK(&ifp->if_snd);
2660
2661 taskqueue_unblock(sc->taskqueue);
2662 }
2663
2664 /*
2665 * rt2870_key_set_cb
2666 */
2667 static void rt2870_key_set_cb(struct rt2870_softc *sc, void *arg)
2668 {
2669 struct ieee80211com *ic;
2670 struct ieee80211_key *k;
2671 struct rt2870_cmd_argv_keyset *cmd_argv;
2672 uint16_t associd, key_base, keymode_base;
2673 uint8_t mode, vapid, wcid, iv[8];
2674 uint32_t tmp;
2675
2676 ic = &sc->ic;
2677 cmd_argv = arg;
2678 k = &cmd_argv->key;
2679 associd = cmd_argv->associd;
2680
2681 switch (k->wk_cipher->ic_cipher)
2682 {
2683 case IEEE80211_CIPHER_WEP:
2684 if(k->wk_keylen < 8)
2685 mode = RT2870_REG_CIPHER_MODE_WEP40;
2686 else
2687 mode = RT2870_REG_CIPHER_MODE_WEP104;
2688 break;
2689
2690 case IEEE80211_CIPHER_TKIP:
2691 mode = RT2870_REG_CIPHER_MODE_TKIP;
2692 break;
2693
2694 case IEEE80211_CIPHER_AES_CCM:
2695 mode = RT2870_REG_CIPHER_MODE_AES_CCMP;
2696 break;
2697
2698 default:
2699 return;
2700 }
2701
2702 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2703 "%s: set key: keyix=%d, keylen=%d, associd=0x%04x, mode=%d, group=%d\n",
2704 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd, mode,
2705 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2706
2707 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2708 {
2709 /* install pairwise key */
2710
2711 vapid = 0;
2712 wcid = RT2870_AID2WCID(associd);
2713 key_base = RT2870_REG_PKEY(wcid);
2714
2715 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP)
2716 {
2717 memset(iv, 0, 8);
2718
2719 iv[3] = (k->wk_keyix << 6);
2720 }
2721 else
2722 {
2723 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2724 {
2725 iv[0] = (k->wk_keytsc >> 8);
2726 iv[1] = ((iv[0] | 0x20) & 0x7f);
2727 iv[2] = k->wk_keytsc;
2728 }
2729 else
2730 {
2731 /* AES CCMP */
2732
2733 iv[0] = k->wk_keytsc;
2734 iv[1] = k->wk_keytsc >> 8;
2735 iv[2] = 0;
2736 }
2737
2738 iv[3] = ((k->wk_keyix << 6) | IEEE80211_WEP_EXTIV);
2739 iv[4] = (k->wk_keytsc >> 16);
2740 iv[5] = (k->wk_keytsc >> 24);
2741 iv[6] = (k->wk_keytsc >> 32);
2742 iv[7] = (k->wk_keytsc >> 40);
2743
2744 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2745 "%s: set key: iv=%02x %02x %02x %02x %02x %02x %02x %02x\n",
2746 device_get_nameunit(sc->dev),
2747 iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7]);
2748 }
2749
2750 rt2870_io_mac_write_multi(sc, RT2870_REG_IVEIV(wcid), iv, 8);
2751
2752 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2753 {
2754 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2755
2756 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2757 {
2758 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2759 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2760 }
2761 else
2762 {
2763 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2764 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2765 }
2766 }
2767 else
2768 {
2769 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2770 }
2771
2772 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2773 (mode << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2774
2775 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2776 }
2777
2778 if ((k->wk_flags & IEEE80211_KEY_GROUP) ||
2779 (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_WEP))
2780 {
2781 /* install group key */
2782
2783 vapid = 0;
2784 key_base = RT2870_REG_SKEY(vapid, k->wk_keyix);
2785 keymode_base = RT2870_REG_SKEY_MODE(vapid);
2786
2787 if (k->wk_cipher->ic_cipher == IEEE80211_CIPHER_TKIP)
2788 {
2789 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, 16);
2790
2791 if (ic->ic_opmode != IEEE80211_M_HOSTAP)
2792 {
2793 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[16], 8);
2794 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[24], 8);
2795 }
2796 else
2797 {
2798 rt2870_io_mac_write_multi(sc, key_base + 16, &k->wk_key[24], 8);
2799 rt2870_io_mac_write_multi(sc, key_base + 24, &k->wk_key[16], 8);
2800 }
2801 }
2802 else
2803 {
2804 rt2870_io_mac_write_multi(sc, key_base, k->wk_key, k->wk_keylen);
2805 }
2806
2807 tmp = rt2870_io_mac_read(sc, keymode_base);
2808
2809 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2810 tmp |= (mode << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2811
2812 rt2870_io_mac_write(sc, keymode_base, tmp);
2813 }
2814 }
2815
2816 /*
2817 * rt2870_key_delete_cb
2818 */
2819 static void rt2870_key_delete_cb(struct rt2870_softc *sc, void *arg)
2820 {
2821 struct ieee80211com *ic;
2822 struct ieee80211_key *k;
2823 struct rt2870_cmd_argv_keydelete *cmd_argv;
2824 uint16_t associd;
2825 uint8_t vapid, wcid;
2826 uint32_t tmp;
2827
2828 ic = &sc->ic;
2829 cmd_argv = arg;
2830 k = &cmd_argv->key;
2831 associd = cmd_argv->associd;
2832
2833 RT2870_DPRINTF(sc, RT2870_DEBUG_KEY,
2834 "%s: delete key: keyix=%d, keylen=%d, associd=0x%04x, group=%d\n",
2835 device_get_nameunit(sc->dev), k->wk_keyix, k->wk_keylen, associd,
2836 (k->wk_flags & IEEE80211_KEY_GROUP) ? 1 : 0);
2837
2838 if (!(k->wk_flags & IEEE80211_KEY_GROUP))
2839 {
2840 /* remove pairwise key */
2841
2842 vapid = 0;
2843 wcid = RT2870_AID2WCID(associd);
2844
2845 tmp = ((vapid & RT2870_REG_VAP_MASK) << RT2870_REG_VAP_SHIFT) |
2846 (RT2870_REG_CIPHER_MODE_NONE << RT2870_REG_CIPHER_MODE_SHIFT) | RT2870_REG_PKEY_ENABLE;
2847
2848 rt2870_io_mac_write(sc, RT2870_REG_WCID_ATTR(wcid), tmp);
2849 }
2850 else
2851 {
2852 /* remove group key */
2853
2854 vapid = 0;
2855
2856 tmp = rt2870_io_mac_read(sc, RT2870_REG_SKEY_MODE(vapid));
2857
2858 tmp &= ~(0xf << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2859 tmp |= (RT2870_REG_CIPHER_MODE_NONE << (k->wk_keyix * 4 + 16 * (vapid % 2)));
2860
2861 rt2870_io_mac_write(sc, RT2870_REG_SKEY_MODE(vapid), tmp);
2862 }
2863 }
2864
2865 /*
2866 * rt2870_asic_set_bssid
2867 */
2868 static void rt2870_asic_set_bssid(struct rt2870_softc *sc,
2869 const uint8_t *bssid)
2870 {
2871 uint32_t tmp;
2872
2873 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
2874 "%s: set bssid: bssid=%s\n",
2875 device_get_nameunit(sc->dev), ether_sprintf(bssid));
2876
2877 tmp = bssid[0] | (bssid[1]) << 8 | (bssid[2] << 16) | (bssid[3] << 24);
2878
2879 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW0, tmp);
2880
2881 tmp = bssid[4] | (bssid[5] << 8);
2882
2883 rt2870_io_mac_write(sc, RT2870_REG_BSSID_DW1, tmp);
2884 }
2885
2886 /*
2887 * rt2870_asic_set_macaddr
2888 */
2889 static void rt2870_asic_set_macaddr(struct rt2870_softc *sc,
2890 const uint8_t *addr)
2891 {
2892 uint32_t tmp;
2893
2894 tmp = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2895
2896 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW0, tmp);
2897
2898 tmp = addr[4] | (addr[5] << 8);
2899
2900 rt2870_io_mac_write(sc, RT2870_REG_ADDR_DW1, tmp);
2901 }
2902
2903 /*
2904 * rt2870_asic_enable_tsf_sync
2905 */
2906 static void rt2870_asic_enable_tsf_sync(struct rt2870_softc *sc)
2907 {
2908 struct ieee80211com *ic;
2909 uint32_t tmp;
2910
2911 ic = &sc->ic;
2912
2913 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2914 "%s: enabling TSF\n",
2915 device_get_nameunit(sc->dev));
2916
2917 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
2918
2919 tmp &= ~0x1fffff;
2920 tmp |= ic->ic_bss->ni_intval * 16;
2921 tmp |= (RT2870_REG_TSF_TIMER_ENABLE | RT2870_REG_TBTT_TIMER_ENABLE);
2922
2923 if (ic->ic_opmode == IEEE80211_M_STA)
2924 {
2925 tmp |= (RT2870_REG_TSF_SYNC_MODE_STA << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2926 }
2927 else if (ic->ic_opmode == IEEE80211_M_IBSS)
2928 {
2929 tmp |= RT2870_REG_BCN_TX_ENABLE;
2930 tmp |= (RT2870_REG_TSF_SYNC_MODE_IBSS << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2931 }
2932 else if (ic->ic_opmode == IEEE80211_M_HOSTAP)
2933 {
2934 tmp |= RT2870_REG_BCN_TX_ENABLE;
2935 tmp |= (RT2870_REG_TSF_SYNC_MODE_HOSTAP << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2936 }
2937
2938 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
2939 }
2940
2941 /*
2942 * rt2870_asic_disable_tsf_sync
2943 */
2944 static void rt2870_asic_disable_tsf_sync(struct rt2870_softc *sc)
2945 {
2946 uint32_t tmp;
2947
2948 RT2870_DPRINTF(sc, RT2870_DEBUG_BEACON,
2949 "%s: disabling TSF\n",
2950 device_get_nameunit(sc->dev));
2951
2952 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
2953
2954 tmp &= ~(RT2870_REG_BCN_TX_ENABLE |
2955 RT2870_REG_TSF_TIMER_ENABLE |
2956 RT2870_REG_TBTT_TIMER_ENABLE);
2957
2958 tmp &= ~(RT2870_REG_TSF_SYNC_MODE_MASK << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2959 tmp |= (RT2870_REG_TSF_SYNC_MODE_DISABLE << RT2870_REG_TSF_SYNC_MODE_SHIFT);
2960
2961 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
2962 }
2963
2964 /*
2965 * rt2870_asic_enable_mrr
2966 */
2967 static void rt2870_asic_enable_mrr(struct rt2870_softc *sc)
2968 {
2969 #define CCK(mcs) (mcs)
2970 #define OFDM(mcs) ((1 << 3) | (mcs))
2971 #define HT(mcs) (mcs)
2972
2973 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG0,
2974 (OFDM(6) << 28) | /* 54 -> 48 */
2975 (OFDM(5) << 24) | /* 48 -> 36 */
2976 (OFDM(4) << 20) | /* 36 -> 24 */
2977 (OFDM(3) << 16) | /* 24 -> 18 */
2978 (OFDM(2) << 12) | /* 18 -> 12 */
2979 (OFDM(1) << 8) | /* 12 -> 9 */
2980 (OFDM(0) << 4) | /* 9 -> 6 */
2981 OFDM(0)); /* 6 -> 6 */
2982
2983 rt2870_io_mac_write(sc, RT2870_REG_TX_LG_FBK_CFG1,
2984 (CCK(2) << 12) | /* 11 -> 5.5 */
2985 (CCK(1) << 8) | /* 5.5 -> 2 */
2986 (CCK(0) << 4) | /* 2 -> 1 */
2987 CCK(0)); /* 1 -> 1 */
2988
2989 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG0,
2990 (HT(6) << 28) |
2991 (HT(5) << 24) |
2992 (HT(4) << 20) |
2993 (HT(3) << 16) |
2994 (HT(2) << 12) |
2995 (HT(1) << 8) |
2996 (HT(0) << 4) |
2997 HT(0));
2998
2999 rt2870_io_mac_write(sc, RT2870_REG_TX_HT_FBK_CFG1,
3000 (HT(14) << 28) |
3001 (HT(13) << 24) |
3002 (HT(12) << 20) |
3003 (HT(11) << 16) |
3004 (HT(10) << 12) |
3005 (HT(9) << 8) |
3006 (HT(8) << 4) |
3007 HT(7));
3008
3009 #undef HT
3010 #undef OFDM
3011 #undef CCK
3012 }
3013
3014 /*
3015 * rt2870_asic_set_txpreamble
3016 */
3017 static void rt2870_asic_set_txpreamble(struct rt2870_softc *sc)
3018 {
3019 struct ieee80211com *ic;
3020 uint32_t tmp;
3021
3022 ic = &sc->ic;
3023
3024 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3025 "%s: %s short Tx preamble\n",
3026 device_get_nameunit(sc->dev),
3027 (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "enabling" : "disabling");
3028
3029 tmp = rt2870_io_mac_read(sc, RT2870_REG_AUTO_RSP_CFG);
3030
3031 tmp &= ~RT2870_REG_CCK_SHORT_ENABLE;
3032
3033 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
3034 tmp |= RT2870_REG_CCK_SHORT_ENABLE;
3035
3036 rt2870_io_mac_write(sc, RT2870_REG_AUTO_RSP_CFG, tmp);
3037 }
3038
3039 /*
3040 * rt2870_asic_set_basicrates
3041 */
3042 static void rt2870_asic_set_basicrates(struct rt2870_softc *sc)
3043 {
3044 struct ieee80211com *ic;
3045
3046 ic = &sc->ic;
3047
3048 if (ic->ic_curmode == IEEE80211_MODE_11B)
3049 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x3);
3050 else if (ic->ic_curmode == IEEE80211_MODE_11A)
3051 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x150);
3052 else
3053 rt2870_io_mac_write(sc, RT2870_REG_LEGACY_BASIC_RATE, 0x15f);
3054 }
3055
3056 /*
3057 * rt2870_asic_update_rtsthreshold
3058 */
3059 static void rt2870_asic_update_rtsthreshold(struct rt2870_softc *sc)
3060 {
3061 struct ieee80211com *ic;
3062 uint32_t tmp;
3063 uint16_t threshold;
3064
3065 ic = &sc->ic;
3066
3067 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3068 "%s: updating RTS threshold: %d\n",
3069 device_get_nameunit(sc->dev), ic->ic_rtsthreshold);
3070
3071 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_RTS_CFG);
3072
3073 tmp &= ~(RT2870_REG_TX_RTS_THRESHOLD_MASK << RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3074
3075 threshold = (ic->ic_rtsthreshold < IEEE80211_RTS_MAX) ?
3076 ic->ic_rtsthreshold : 0x1000;
3077
3078 tmp |= ((threshold & RT2870_REG_TX_RTS_THRESHOLD_MASK) <<
3079 RT2870_REG_TX_RTS_THRESHOLD_SHIFT);
3080
3081 rt2870_io_mac_write(sc, RT2870_REG_TX_RTS_CFG, tmp);
3082 }
3083
3084 /*
3085 * rt2870_asic_update_txpower
3086 */
3087 static void rt2870_asic_update_txpower(struct rt2870_softc *sc)
3088 {
3089 struct ieee80211com *ic;
3090 uint32_t *txpow_rate;
3091 int8_t delta;
3092 uint8_t val;
3093 uint32_t tmp;
3094 int i;
3095
3096 ic = &sc->ic;
3097
3098 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3099 "%s: updating Tx power: %d\n",
3100 device_get_nameunit(sc->dev), ic->ic_txpowlimit);
3101
3102 if (!IEEE80211_IS_CHAN_HT40(ic->ic_curchan))
3103 {
3104 txpow_rate = sc->txpow_rate_20mhz;
3105 }
3106 else
3107 {
3108 if (IEEE80211_IS_CHAN_2GHZ(ic->ic_curchan))
3109 txpow_rate = sc->txpow_rate_40mhz_2ghz;
3110 else
3111 txpow_rate = sc->txpow_rate_40mhz_5ghz;
3112 }
3113
3114 delta = 0;
3115
3116 val = rt2870_io_bbp_read(sc, 1);
3117 val &= 0xfc;
3118
3119 if (ic->ic_txpowlimit > 90)
3120 {
3121 /* do nothing */
3122 }
3123 else if (ic->ic_txpowlimit > 60)
3124 {
3125 delta -= 1;
3126 }
3127 else if (ic->ic_txpowlimit > 30)
3128 {
3129 delta -= 3;
3130 }
3131 else if (ic->ic_txpowlimit > 15)
3132 {
3133 val |= 0x1;
3134 }
3135 else if (ic->ic_txpowlimit > 9)
3136 {
3137 val |= 0x1;
3138 delta -= 3;
3139 }
3140 else
3141 {
3142 val |= 0x2;
3143 }
3144
3145 rt2870_io_bbp_write(sc, 1, val);
3146
3147 for (i = 0; i < RT2870_SOFTC_TXPOW_RATE_COUNT; i++)
3148 {
3149 if (txpow_rate[i] == 0xffffffff)
3150 continue;
3151
3152 tmp = rt2870_read_eeprom_txpow_rate_add_delta(txpow_rate[i], delta);
3153
3154 rt2870_io_mac_write(sc, RT2870_REG_TX_PWR_CFG(i), tmp);
3155 }
3156 }
3157
3158 /*
3159 * rt2870_asic_update_promisc
3160 */
3161 static void rt2870_asic_update_promisc(struct rt2870_softc *sc)
3162 {
3163 struct ifnet *ifp;
3164 uint32_t tmp;
3165
3166 ifp = sc->ic.ic_ifp;
3167
3168 printf("%s: %s promiscuous mode\n",
3169 device_get_nameunit(sc->dev),
3170 (ifp->if_flags & IFF_PROMISC) ? "entering" : "leaving");
3171
3172 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_FILTER_CFG);
3173
3174 tmp &= ~RT2870_REG_RX_FILTER_DROP_UC_NOME;
3175
3176 if (!(ifp->if_flags & IFF_PROMISC))
3177 tmp |= RT2870_REG_RX_FILTER_DROP_UC_NOME;
3178
3179 rt2870_io_mac_write(sc, RT2870_REG_RX_FILTER_CFG, tmp);
3180 }
3181
3182 /*
3183 * rt2870_asic_updateprot
3184 */
3185 static void rt2870_asic_updateprot(struct rt2870_softc *sc)
3186 {
3187 struct ieee80211com *ic;
3188 uint32_t cck_prot, ofdm_prot, mm20_prot, mm40_prot, gf20_prot, gf40_prot;
3189 uint8_t htopmode;
3190 enum ieee80211_protmode htprotmode;
3191
3192 ic = &sc->ic;
3193
3194 /* CCK frame protection */
3195
3196 cck_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3197 RT2870_REG_TXOP_ALLOW_ALL | RT2870_REG_PROT_CTRL_NONE;
3198
3199 /* set up protection frame phy mode and rate (MCS code) */
3200
3201 if (ic->ic_curmode == IEEE80211_MODE_11A)
3202 cck_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3203 (0 << RT2870_REG_PROT_MCS_SHIFT);
3204 else
3205 cck_prot |= ((RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3206 (3 << RT2870_REG_PROT_MCS_SHIFT));
3207
3208 rt2870_io_mac_write(sc, RT2870_REG_TX_CCK_PROT_CFG, cck_prot);
3209
3210 /* OFDM frame protection */
3211
3212 ofdm_prot = RT2870_REG_RTSTH_ENABLE | RT2870_REG_PROT_NAV_SHORT |
3213 RT2870_REG_TXOP_ALLOW_ALL;
3214
3215 if (ic->ic_flags & IEEE80211_F_USEPROT)
3216 {
3217 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3218 "%s: updating protection mode: b/g protection mode=%s\n",
3219 device_get_nameunit(sc->dev),
3220 (ic->ic_protmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3221 ((ic->ic_protmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3222
3223 if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)
3224 ofdm_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3225 else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)
3226 ofdm_prot |= RT2870_REG_PROT_CTRL_CTS;
3227 else
3228 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3229 }
3230 else
3231 {
3232 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3233 "%s: updating protection mode: b/g protection mode=%s\n",
3234 device_get_nameunit(sc->dev), "none");
3235
3236 ofdm_prot |= RT2870_REG_PROT_CTRL_NONE;
3237 }
3238
3239 rt2870_io_mac_write(sc, RT2870_REG_TX_OFDM_PROT_CFG, ofdm_prot);
3240
3241 /* HT frame protection */
3242
3243 if ((ic->ic_opmode == IEEE80211_M_STA) && (ic->ic_state == IEEE80211_S_RUN))
3244 htopmode = ic->ic_bss->ni_htopmode;
3245 else
3246 htopmode = ic->ic_curhtprotmode;
3247
3248 htprotmode = ic->ic_htprotmode;
3249
3250 /* force HT mixed mode and RTS/CTS protection if A-MPDU Tx aggregation is enabled */
3251
3252 if (sc->tx_ampdu_sessions > 0)
3253 {
3254 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3255 "%s: updating protection mode: forcing HT mixed mode and RTS/CTS protection\n",
3256 device_get_nameunit(sc->dev));
3257
3258 htopmode = IEEE80211_HTINFO_OPMODE_MIXED;
3259 htprotmode = IEEE80211_PROT_RTSCTS;
3260 }
3261
3262 RT2870_DPRINTF(sc, RT2870_DEBUG_PROT,
3263 "%s: updating protection mode: HT operation mode=0x%02x, protection mode=%s\n",
3264 device_get_nameunit(sc->dev),
3265 htopmode & IEEE80211_HTINFO_OPMODE,
3266 (htprotmode == IEEE80211_PROT_RTSCTS) ? "RTS/CTS" :
3267 ((htprotmode == IEEE80211_PROT_CTSONLY) ? "CTS-to-self" : "none"));
3268
3269 switch (htopmode & IEEE80211_HTINFO_OPMODE)
3270 {
3271 /* IEEE80211_HTINFO_OPMODE_HT20PR */
3272 case IEEE80211_HTINFO_OPMODE_HT20PR:
3273 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3274 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3275 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3276 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3277 (4 << RT2870_REG_PROT_MCS_SHIFT);
3278
3279 gf20_prot = mm20_prot;
3280
3281 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3282 RT2870_REG_TXOP_ALLOW_ALL |
3283 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3284 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3285
3286 if (htprotmode == IEEE80211_PROT_RTSCTS)
3287 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3288 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3289 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3290 else
3291 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3292
3293 gf40_prot = mm40_prot;
3294 break;
3295
3296 /* IEEE80211_HTINFO_OPMODE_MIXED */
3297 case IEEE80211_HTINFO_OPMODE_MIXED:
3298 mm20_prot = RT2870_REG_PROT_NAV_SHORT |
3299 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3300 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20;
3301
3302 if (ic->ic_flags & IEEE80211_F_USEPROT)
3303 mm20_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3304 (3 << RT2870_REG_PROT_MCS_SHIFT);
3305 else
3306 mm20_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3307 (4 << RT2870_REG_PROT_MCS_SHIFT);
3308
3309 if (htprotmode == IEEE80211_PROT_RTSCTS)
3310 mm20_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3311 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3312 mm20_prot |= RT2870_REG_PROT_CTRL_CTS;
3313 else
3314 mm20_prot |= RT2870_REG_PROT_CTRL_NONE;
3315
3316 gf20_prot = mm20_prot;
3317
3318 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_TXOP_ALLOW_ALL;
3319
3320 if (ic->ic_flags & IEEE80211_F_USEPROT)
3321 mm40_prot |= (RT2870_REG_PROT_PHYMODE_CCK << RT2870_REG_PROT_PHYMODE_SHIFT) |
3322 (3 << RT2870_REG_PROT_MCS_SHIFT);
3323 else
3324 mm40_prot |= (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3325 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3326
3327 if (htprotmode == IEEE80211_PROT_RTSCTS)
3328 mm40_prot |= RT2870_REG_PROT_CTRL_RTS_CTS;
3329 else if (htprotmode == IEEE80211_PROT_CTSONLY)
3330 mm40_prot |= RT2870_REG_PROT_CTRL_CTS;
3331 else
3332 mm40_prot |= RT2870_REG_PROT_CTRL_NONE;
3333
3334 gf40_prot = mm40_prot;
3335 break;
3336
3337 /*
3338 * IEEE80211_HTINFO_OPMODE_PURE
3339 * IEEE80211_HTINFO_OPMODE_PROTOPT
3340 */
3341 case IEEE80211_HTINFO_OPMODE_PURE:
3342 case IEEE80211_HTINFO_OPMODE_PROTOPT:
3343 default:
3344 mm20_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3345 RT2870_REG_TXOP_ALLOW_CCK | RT2870_REG_TXOP_ALLOW_OFDM |
3346 RT2870_REG_TXOP_ALLOW_MM20 | RT2870_REG_TXOP_ALLOW_GF20 |
3347 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3348 (4 << RT2870_REG_PROT_MCS_SHIFT);
3349
3350 gf20_prot = mm20_prot;
3351
3352 mm40_prot = RT2870_REG_PROT_NAV_SHORT | RT2870_REG_PROT_CTRL_NONE |
3353 RT2870_REG_TXOP_ALLOW_ALL |
3354 (RT2870_REG_PROT_PHYMODE_OFDM << RT2870_REG_PROT_PHYMODE_SHIFT) |
3355 (0x84 << RT2870_REG_PROT_MCS_SHIFT);
3356
3357 gf40_prot = mm40_prot;
3358 break;
3359 }
3360
3361 rt2870_io_mac_write(sc, RT2870_REG_TX_MM20_PROT_CFG, mm20_prot);
3362 rt2870_io_mac_write(sc, RT2870_REG_TX_MM40_PROT_CFG, mm40_prot);
3363 rt2870_io_mac_write(sc, RT2870_REG_TX_GF20_PROT_CFG, gf20_prot);
3364 rt2870_io_mac_write(sc, RT2870_REG_TX_GF40_PROT_CFG, gf40_prot);
3365 }
3366
3367 /*
3368 * rt2870_asic_updateslot
3369 */
3370 static void rt2870_asic_updateslot(struct rt2870_softc *sc)
3371 {
3372 struct ieee80211com *ic;
3373 uint32_t tmp;
3374
3375 ic = &sc->ic;
3376
3377 RT2870_DPRINTF(sc, RT2870_DEBUG_STATE,
3378 "%s: %s short slot time\n",
3379 device_get_nameunit(sc->dev),
3380 (ic->ic_flags & IEEE80211_F_SHSLOT) ? "enabling" : "disabling");
3381
3382 tmp = rt2870_io_mac_read(sc, RT2870_REG_BKOFF_SLOT_CFG);
3383
3384 tmp &= ~0xff;
3385 tmp |= (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20;
3386
3387 rt2870_io_mac_write(sc, RT2870_REG_BKOFF_SLOT_CFG, tmp);
3388 }
3389
3390 /*
3391 * rt2870_asic_wme_update
3392 */
3393 static void rt2870_asic_wme_update(struct rt2870_softc *sc)
3394 {
3395 struct ieee80211com *ic;
3396 struct ieee80211_wme_state *wme;
3397 const struct wmeParams *wmep;
3398 int i;
3399
3400 ic = &sc->ic;
3401 wme = &ic->ic_wme;
3402 wmep = wme->wme_chanParams.cap_wmeParams;
3403
3404 RT2870_DPRINTF(sc, RT2870_DEBUG_WME,
3405 "%s: wme update: WME_AC_VO=%d/%d/%d/%d, WME_AC_VI=%d/%d/%d/%d, "
3406 "WME_AC_BK=%d/%d/%d/%d, WME_AC_BE=%d/%d/%d/%d\n",
3407 device_get_nameunit(sc->dev),
3408 wmep[WME_AC_VO].wmep_aifsn,
3409 wmep[WME_AC_VO].wmep_logcwmin, wmep[WME_AC_VO].wmep_logcwmax,
3410 wmep[WME_AC_VO].wmep_txopLimit,
3411 wmep[WME_AC_VI].wmep_aifsn,
3412 wmep[WME_AC_VI].wmep_logcwmin, wmep[WME_AC_VI].wmep_logcwmax,
3413 wmep[WME_AC_VI].wmep_txopLimit,
3414 wmep[WME_AC_BK].wmep_aifsn,
3415 wmep[WME_AC_BK].wmep_logcwmin, wmep[WME_AC_BK].wmep_logcwmax,
3416 wmep[WME_AC_BK].wmep_txopLimit,
3417 wmep[WME_AC_BE].wmep_aifsn,
3418 wmep[WME_AC_BE].wmep_logcwmin, wmep[WME_AC_BE].wmep_logcwmax,
3419 wmep[WME_AC_BE].wmep_txopLimit);
3420
3421 for (i = 0; i < WME_NUM_AC; i++)
3422 rt2870_io_mac_write(sc, RT2870_REG_TX_EDCA_AC_CFG(i),
3423 (wmep[i].wmep_logcwmax << 16) | (wmep[i].wmep_logcwmin << 12) |
3424 (wmep[i].wmep_aifsn << 8) | wmep[i].wmep_txopLimit);
3425
3426 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_AIFSN_CFG,
3427 (wmep[WME_AC_VO].wmep_aifsn << 12) | (wmep[WME_AC_VI].wmep_aifsn << 8) |
3428 (wmep[WME_AC_BK].wmep_aifsn << 4) | wmep[WME_AC_BE].wmep_aifsn);
3429
3430 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMIN_CFG,
3431 (wmep[WME_AC_VO].wmep_logcwmin << 12) | (wmep[WME_AC_VI].wmep_logcwmin << 8) |
3432 (wmep[WME_AC_BK].wmep_logcwmin << 4) | wmep[WME_AC_BE].wmep_logcwmin);
3433
3434 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_CWMAX_CFG,
3435 (wmep[WME_AC_VO].wmep_logcwmax << 12) | (wmep[WME_AC_VI].wmep_logcwmax << 8) |
3436 (wmep[WME_AC_BK].wmep_logcwmax << 4) | wmep[WME_AC_BE].wmep_logcwmax);
3437
3438 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP0_CFG,
3439 (wmep[WME_AC_BK].wmep_txopLimit << 16) | wmep[WME_AC_BE].wmep_txopLimit);
3440
3441 rt2870_io_mac_write(sc, RT2870_REG_SCHDMA_WMM_TXOP1_CFG,
3442 (wmep[WME_AC_VO].wmep_txopLimit << 16) | wmep[WME_AC_VI].wmep_txopLimit);
3443 }
3444
3445 /*
3446 * rt2870_asic_update_beacon
3447 */
3448 static int rt2870_asic_update_beacon(struct rt2870_softc *sc)
3449 {
3450 struct ieee80211com *ic;
3451 struct mbuf *m;
3452 struct rt2870_txwi txwi;
3453 uint8_t rate, mcs;
3454 uint32_t tmp;
3455
3456 ic = &sc->ic;
3457
3458 m = ieee80211_beacon_alloc(ic->ic_bss, &sc->beacon_offsets);
3459 if (m == NULL)
3460 return ENOMEM;
3461
3462 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
3463 mcs = rt2870_rate2mcs(rate);
3464
3465 memset(&txwi, 0, sizeof(struct rt2870_txwi));
3466
3467 txwi.wcid = 0xff;
3468 txwi.pid_mpdu_len = ((htole16(m->m_pkthdr.len) & RT2870_TXWI_MPDU_LEN_MASK) <<
3469 RT2870_TXWI_MPDU_LEN_SHIFT);
3470 txwi.txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
3471 txwi.mpdu_density_flags |=
3472 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
3473 txwi.bawin_size_xflags |=
3474 (RT2870_TXWI_XFLAGS_NSEQ << RT2870_TXWI_XFLAGS_SHIFT);
3475
3476 if (rate == 2)
3477 {
3478 txwi.phymode_ifs_stbc_shortgi =
3479 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
3480
3481 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
3482 mcs |= RT2870_TXWI_MCS_SHOTPRE;
3483 }
3484 else
3485 {
3486 txwi.phymode_ifs_stbc_shortgi =
3487 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
3488 }
3489
3490 txwi.bw_mcs = (RT2870_TXWI_BW_20 << RT2870_TXWI_BW_SHIFT) |
3491 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
3492
3493 /* disable temporarily 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 /* write Tx wireless info and beacon frame to on-chip memory */
3504
3505 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0),
3506 &txwi, sizeof(struct rt2870_txwi));
3507
3508 rt2870_io_mac_write_multi(sc, RT2870_REG_BEACON_BASE(0) + sizeof(struct rt2870_txwi),
3509 mtod(m, uint8_t *), m->m_pkthdr.len);
3510
3511 /* enable again TSF sync */
3512
3513 tmp = rt2870_io_mac_read(sc, RT2870_REG_BCN_TIME_CFG);
3514
3515 tmp |= (RT2870_REG_BCN_TX_ENABLE |
3516 RT2870_REG_TSF_TIMER_ENABLE |
3517 RT2870_REG_TBTT_TIMER_ENABLE);
3518
3519 rt2870_io_mac_write(sc, RT2870_REG_BCN_TIME_CFG, tmp);
3520
3521 m_freem(m);
3522
3523 return 0;
3524 }
3525
3526 /*
3527 * rt2870_asic_clear_keytables
3528 */
3529 static void rt2870_asic_clear_keytables(struct rt2870_softc *sc)
3530 {
3531 int i;
3532
3533 /* clear Rx WCID search table (entries = 256, entry size = 8) */
3534
3535 for (i = 0; i < 256; i++)
3536 {
3537 rt2870_io_mac_write(sc, RT2870_REG_WCID(i), 0xffffffff);
3538 rt2870_io_mac_write(sc, RT2870_REG_WCID(i) + 4, 0x0000ffff);
3539 }
3540
3541 /* clear WCID attribute table (entries = 256, entry size = 4) */
3542
3543 rt2870_io_mac_set_region_4(sc, RT2870_REG_WCID_ATTR(0), 0, 256);
3544
3545 /* clear IV/EIV table (entries = 256, entry size = 8) */
3546
3547 rt2870_io_mac_set_region_4(sc, RT2870_REG_IVEIV(0), 0, 2 * 256);
3548
3549 /* clear pairwise key table (entries = 256, entry size = 32) */
3550
3551 rt2870_io_mac_set_region_4(sc, RT2870_REG_PKEY(0), 0, 8 * 256);
3552
3553 /* clear shared key table (entries = 32, entry size = 32) */
3554
3555 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY(0, 0), 0, 8 * 32);
3556
3557 /* clear shared key mode (entries = 32, entry size = 2) */
3558
3559 rt2870_io_mac_set_region_4(sc, RT2870_REG_SKEY_MODE(0), 0, 16);
3560 }
3561
3562 /*
3563 * rt2870_rxrate
3564 */
3565 static uint8_t rt2870_rxrate(struct rt2870_rxwi *rxwi)
3566 {
3567 uint8_t mcs, phymode;
3568 uint8_t rate;
3569
3570 mcs = (rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK;
3571 phymode = (rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3572 RT2870_RXWI_PHYMODE_MASK;
3573
3574 rate = 2;
3575
3576 switch (phymode)
3577 {
3578 case RT2870_RXWI_PHYMODE_CCK:
3579 switch (mcs & ~RT2870_RXWI_MCS_SHOTPRE)
3580 {
3581 case 0: rate = 2; break; /* 1 Mbps */
3582 case 1: rate = 4; break; /* 2 MBps */
3583 case 2: rate = 11; break; /* 5.5 Mbps */
3584 case 3: rate = 22; break; /* 11 Mbps */
3585 }
3586 break;
3587
3588 case RT2870_RXWI_PHYMODE_OFDM:
3589 switch (mcs)
3590 {
3591 case 0: rate = 12; break; /* 6 Mbps */
3592 case 1: rate = 18; break; /* 9 Mbps */
3593 case 2: rate = 24; break; /* 12 Mbps */
3594 case 3: rate = 36; break; /* 18 Mbps */
3595 case 4: rate = 48; break; /* 24 Mbps */
3596 case 5: rate = 72; break; /* 36 Mbps */
3597 case 6: rate = 96; break; /* 48 Mbps */
3598 case 7: rate = 108; break; /* 54 Mbps */
3599 }
3600 break;
3601
3602 case RT2870_RXWI_PHYMODE_HT_MIXED:
3603 case RT2870_RXWI_PHYMODE_HT_GF:
3604 break;
3605 }
3606
3607 return rate;
3608 }
3609
3610 /*
3611 * rt2870_maxrssi_rxpath
3612 */
3613 static uint8_t rt2870_maxrssi_rxpath(struct rt2870_softc *sc,
3614 const struct rt2870_rxwi *rxwi)
3615 {
3616 uint8_t rxpath;
3617
3618 rxpath = 0;
3619
3620 if (sc->nrxpath > 1)
3621 if (rxwi->rssi[1] > rxwi->rssi[rxpath])
3622 rxpath = 1;
3623
3624 if (sc->nrxpath > 2)
3625 if (rxwi->rssi[2] > rxwi->rssi[rxpath])
3626 rxpath = 2;
3627
3628 return rxpath;
3629 }
3630
3631 /*
3632 * rt2870_rssi2dbm
3633 */
3634 static int8_t rt2870_rssi2dbm(struct rt2870_softc *sc,
3635 uint8_t rssi, uint8_t rxpath)
3636 {
3637 struct ieee80211com *ic;
3638 struct ieee80211_channel *c;
3639 int chan;
3640 int8_t rssi_off, lna_gain;
3641
3642 if (rssi == 0)
3643 return -99;
3644
3645 ic = &sc->ic;
3646 c = ic->ic_curchan;
3647 chan = ieee80211_chan2ieee(ic, c);
3648
3649 if (IEEE80211_IS_CHAN_5GHZ(c))
3650 {
3651 rssi_off = sc->rssi_off_5ghz[rxpath];
3652
3653 if (chan <= 64)
3654 lna_gain = sc->lna_gain[1];
3655 else if (chan <= 128)
3656 lna_gain = sc->lna_gain[2];
3657 else
3658 lna_gain = sc->lna_gain[3];
3659 }
3660 else
3661 {
3662 rssi_off = sc->rssi_off_2ghz[rxpath];
3663 lna_gain = sc->lna_gain[0];
3664 }
3665
3666 return (-12 - rssi_off - lna_gain - rssi);
3667 }
3668
3669 /*
3670 * rt2870_rate2mcs
3671 */
3672 static uint8_t rt2870_rate2mcs(uint8_t rate)
3673 {
3674 switch (rate)
3675 {
3676 /* CCK rates */
3677 case 2: return 0;
3678 case 4: return 1;
3679 case 11: return 2;
3680 case 22: return 3;
3681
3682 /* OFDM rates */
3683 case 12: return 0;
3684 case 18: return 1;
3685 case 24: return 2;
3686 case 36: return 3;
3687 case 48: return 4;
3688 case 72: return 5;
3689 case 96: return 6;
3690 case 108: return 7;
3691 }
3692
3693 return 0;
3694 }
3695
3696 /*
3697 * rt2870_ackrate
3698 */
3699 static int rt2870_ackrate(struct ieee80211com *ic, int rate)
3700 {
3701 switch (rate)
3702 {
3703 /* CCK rates */
3704
3705 case 2:
3706 return 2;
3707
3708 case 4:
3709 case 11:
3710 case 22:
3711 return (ic->ic_curmode == IEEE80211_MODE_11B) ? 4 : rate;
3712
3713 /* OFDM rates */
3714
3715 case 12:
3716 case 18:
3717 return 12;
3718
3719 case 24:
3720 case 36:
3721 return 24;
3722
3723 case 48:
3724 case 72:
3725 case 96:
3726 case 108:
3727 return 48;
3728 }
3729
3730 /* default to 1Mbps */
3731 return 2;
3732 }
3733
3734 /*
3735 * rt2870_txtime
3736 */
3737 static uint16_t rt2870_txtime(int len, int rate, uint32_t flags)
3738 {
3739 uint16_t txtime;
3740
3741 if (RT2870_RATE_IS_OFDM(rate))
3742 {
3743 txtime = (8 + 4 * len + 3 + rate - 1) / rate;
3744 txtime = 16 + 4 + 4 * txtime + 6;
3745 }
3746 else
3747 {
3748 txtime = (16 * len + rate - 1) / rate;
3749
3750 if (rate != 2 && (flags & IEEE80211_F_SHPREAMBLE))
3751 txtime += 72 + 24;
3752 else
3753 txtime += 144 + 48;
3754 }
3755
3756 return txtime;
3757 }
3758
3759 /*
3760 * rt2870_rx_frame
3761 */
3762 static void rt2870_rx_frame(struct rt2870_softc *sc,
3763 uint8_t *buf, uint32_t dmalen)
3764 {
3765 struct ieee80211com *ic;
3766 struct ifnet *ifp;
3767 struct ieee80211_frame *wh;
3768 struct ieee80211_node *ni;
3769 struct rt2870_softc_node *rni;
3770 struct rt2870_softc_rx_radiotap_header *tap;
3771 struct rt2870_rxwi *rxwi;
3772 struct rt2870_rxinfo *rxinfo;
3773 struct mbuf *m;
3774 uint32_t rxinfo_flags;
3775 uint8_t cipher_err, rssi, ant, phymode, bw, shortgi, mcs;
3776 int8_t rssi_dbm;
3777 int len, ampdu, amsdu, i;
3778
3779 ic = &sc->ic;
3780 ifp = ic->ic_ifp;
3781
3782 /* get Rx wireless info */
3783
3784 rxwi = (struct rt2870_rxwi *) buf;
3785 len = (le16toh(rxwi->tid_size) >> RT2870_RXWI_SIZE_SHIFT) &
3786 RT2870_RXWI_SIZE_MASK;
3787
3788 if (len > dmalen)
3789 {
3790 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3791 "%s: bad rxwi len: DMA len=%d, rxwi len=%d\n",
3792 device_get_nameunit(sc->dev), dmalen, len);
3793 return;
3794 }
3795
3796 /* get Rx info */
3797
3798 rxinfo = (struct rt2870_rxinfo *) ((caddr_t) rxwi + dmalen);
3799 rxinfo_flags = le32toh(rxinfo->flags);
3800
3801 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3802 "%s: Rx frame: DMA len=%d, len=%d, rxinfo flags=0x%08x\n",
3803 device_get_nameunit(sc->dev), dmalen, len, rxinfo_flags);
3804
3805 /* check for crc errors */
3806
3807 if (rxinfo_flags & RT2870_RXINFO_FLAGS_CRC_ERR)
3808 {
3809 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3810 "%s: rxinfo: crc error\n",
3811 device_get_nameunit(sc->dev));
3812
3813 ifp->if_ierrors++;
3814
3815 if (!(ifp->if_flags & IFF_PROMISC))
3816 return;
3817 }
3818
3819 wh = (struct ieee80211_frame *) (rxwi + 1);
3820
3821 /* check for L2 padding between IEEE 802.11 frame header and body */
3822
3823 if (rxinfo_flags & RT2870_RXINFO_FLAGS_L2PAD)
3824 {
3825 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3826 "%s: L2 padding: DMA len=%d, len=%d\n",
3827 device_get_nameunit(sc->dev), dmalen, len);
3828
3829 len += 2;
3830 }
3831
3832 m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, MJUMPAGESIZE);
3833 if (m == NULL)
3834 {
3835 sc->rx_mbuf_alloc_errors++;
3836 ifp->if_ierrors++;
3837 return;
3838 }
3839
3840 m->m_pkthdr.rcvif = ifp;
3841 m->m_pkthdr.len = m->m_len = len;
3842
3843 m_copyback(m, 0, len, (caddr_t) wh);
3844
3845 wh = mtod(m, struct ieee80211_frame *);
3846
3847 /* check for cipher errors */
3848
3849 if (rxinfo_flags & RT2870_RXINFO_FLAGS_DECRYPTED)
3850 {
3851 cipher_err = ((rxinfo_flags >> RT2870_RXINFO_FLAGS_CIPHER_ERR_SHIFT) &
3852 RT2870_RXINFO_FLAGS_CIPHER_ERR_MASK);
3853 if (cipher_err == RT2870_RXINFO_FLAGS_CIPHER_ERR_NONE)
3854 {
3855 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3856 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
3857
3858 m->m_flags |= M_WEP;
3859 }
3860 else
3861 {
3862 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3863 "%s: rxinfo: cipher error=0x%02x\n",
3864 device_get_nameunit(sc->dev), cipher_err);
3865
3866 ifp->if_ierrors++;
3867
3868 if (!(ifp->if_flags & IFF_PROMISC))
3869 {
3870 m_free(m);
3871 return;
3872 }
3873 }
3874 }
3875 else
3876 {
3877 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
3878 {
3879 ifp->if_ierrors++;
3880
3881 if (!(ifp->if_flags & IFF_PROMISC))
3882 {
3883 m_free(m);
3884 return;
3885 }
3886 }
3887 }
3888
3889 /* check for A-MPDU */
3890
3891 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMPDU)
3892 {
3893 m->m_flags |= M_AMPDU;
3894
3895 sc->rx_ampdu++;
3896
3897 ampdu = 1;
3898 }
3899 else
3900 {
3901 ampdu = 0;
3902 }
3903
3904 /* check for A-MSDU */
3905
3906 if (rxinfo_flags & RT2870_RXINFO_FLAGS_AMSDU)
3907 {
3908 sc->rx_amsdu++;
3909
3910 amsdu = 1;
3911 }
3912 else
3913 {
3914 amsdu = 0;
3915 }
3916
3917 ant = rt2870_maxrssi_rxpath(sc, rxwi);
3918 rssi = rxwi->rssi[ant];
3919 rssi_dbm = rt2870_rssi2dbm(sc, rssi, ant);
3920 phymode = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_PHYMODE_SHIFT) &
3921 RT2870_RXWI_PHYMODE_MASK);
3922 bw = ((rxwi->bw_mcs >> RT2870_RXWI_BW_SHIFT) & RT2870_RXWI_BW_MASK);
3923 shortgi = ((rxwi->phymode_stbc_shortgi >> RT2870_RXWI_SHORTGI_SHIFT) &
3924 RT2870_RXWI_SHORTGI_MASK);
3925 mcs = ((rxwi->bw_mcs >> RT2870_RXWI_MCS_SHIFT) & RT2870_RXWI_MCS_MASK);
3926
3927 if (bpf_peers_present(sc->drvbpf))
3928 {
3929 tap = &sc->rxtap;
3930
3931 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
3932 tap->dbm_antsignal = rssi_dbm;
3933 tap->dbm_antnoise = RT2870_NOISE_FLOOR;
3934 tap->antenna = ant;
3935 tap->antsignal = rssi;
3936 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
3937 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
3938 tap->chan_ieee = ic->ic_curchan->ic_ieee;
3939 tap->chan_maxpow = 0;
3940
3941 if (phymode == RT2870_RXWI_PHYMODE_CCK || phymode == RT2870_RXWI_PHYMODE_OFDM)
3942 tap->rate = rt2870_rxrate(rxwi);
3943 else
3944 tap->rate = mcs | IEEE80211_RATE_MCS;
3945
3946 if (rxwi->bw_mcs & RT2870_RXWI_MCS_SHOTPRE)
3947 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
3948
3949 if (shortgi)
3950 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
3951
3952 bpf_mtap2(sc->drvbpf, tap, sc->rxtap_len, m);
3953 }
3954
3955 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
3956 "%s: received frame: len=%d, phymode=%d, bw=%d, shortgi=%d, mcs=%d, "
3957 "ant=%d, rssi=%d/%d/%d, snr=%d/%d, wcid=0x%02x, ampdu=%d, amsdu=%d\n",
3958 device_get_nameunit(sc->dev),
3959 len, phymode, bw, shortgi, mcs,
3960 ant, rxwi->rssi[0], rxwi->rssi[1], rxwi->rssi[2],
3961 rxwi->snr[0], rxwi->snr[1],
3962 rxwi->wcid, ampdu, amsdu);
3963
3964 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *) wh);
3965
3966 if (ni != NULL)
3967 {
3968 rni = (struct rt2870_softc_node *) ni;
3969
3970 for (i = 0; i < RT2870_SOFTC_RSSI_DBM_COUNT; i++)
3971 rni->last_rssi_dbm[i] = rt2870_rssi2dbm(sc, rxwi->rssi[i], i);
3972 }
3973
3974 ieee80211_input(ic, m, ni, rssi_dbm, RT2870_NOISE_FLOOR, 0);
3975
3976 ieee80211_free_node(ni);
3977 }
3978
3979 /*
3980 * rt2870_tx_frame
3981 */
3982 static int rt2870_tx_frame(struct rt2870_softc *sc,
3983 struct mbuf *m, struct ieee80211_node *ni, int qid)
3984 {
3985 struct ieee80211com *ic;
3986 struct rt2870_softc_tx_ring *ring;
3987 struct rt2870_softc_tx_data *data;
3988 struct rt2870_txinfo *txinfo;
3989 struct rt2870_txwi *txwi;
3990 struct ieee80211_frame *wh;
3991 struct ieee80211_tx_ampdu *tx_ampdu;
3992 struct rt2870_softc_tx_radiotap_header *tap;
3993 u_int hdrsize, hdrspace;
3994 uint8_t type, rate, bw, stbc, shortgi, mcs, pid, wcid, mpdu_density, bawin_size;
3995 uint16_t qos, len, dmalen, mpdu_len, dur;
3996 int hasqos, ac, ampdu, ackrate;
3997
3998 ic = &sc->ic;
3999
4000 ring = &sc->tx_ring[qid];
4001 data = STAILQ_FIRST(&ring->inactive);
4002 STAILQ_REMOVE_HEAD(&ring->inactive, next);
4003 txinfo = (struct rt2870_txinfo *) data->buf;
4004 txwi = (struct rt2870_txwi *) (txinfo + 1);
4005
4006 wh = mtod(m, struct ieee80211_frame *);
4007
4008 type = wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK;
4009
4010 hasqos = IEEE80211_QOS_HAS_SEQ(wh);
4011 if (hasqos)
4012 {
4013 if (IEEE80211_HAS_ADDR4(wh))
4014 qos = le16toh(*(const uint16_t *)
4015 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos));
4016 else
4017 qos = le16toh(*(const uint16_t *)
4018 (((struct ieee80211_qosframe *) wh)->i_qos));
4019 }
4020 else
4021 {
4022 qos = 0;
4023 }
4024
4025 if (ni->ni_flags & IEEE80211_NODE_HT)
4026 {
4027 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
4028 rate = 0;
4029 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
4030 rate = ic->ic_fixed_rate;
4031 else
4032 rate = ni->ni_htrates.rs_rates[ni->ni_txrate];
4033 }
4034 else
4035 {
4036 if (IEEE80211_IS_MULTICAST(wh->i_addr1) || type != IEEE80211_FC0_TYPE_DATA)
4037 rate = IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan) ? 12 : 2;
4038 else if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE)
4039 rate = ic->ic_fixed_rate;
4040 else
4041 rate = ni->ni_rates.rs_rates[ni->ni_txrate];
4042 }
4043
4044 rate &= IEEE80211_RATE_VAL;
4045
4046 len = sizeof(struct rt2870_txinfo) + sizeof(struct rt2870_txwi) + m->m_pkthdr.len;
4047
4048 /* align end on a 4-bytes boundary */
4049
4050 dmalen = (len + 3) & ~3;
4051
4052 /* fill Tx info */
4053
4054 memset(txinfo, 0, sizeof(struct rt2870_txinfo));
4055
4056 txinfo->len = htole16(dmalen);
4057
4058 txinfo->qsel_flags = (RT2870_TXINFO_QSEL_EDCA << RT2870_TXINFO_QSEL_SHIFT);
4059
4060 /* fill Tx wireless info */
4061
4062 if (ni->ni_flags & IEEE80211_NODE_HT)
4063 mcs = rate;
4064 else
4065 mcs = rt2870_rate2mcs(rate);
4066
4067 pid = mcs;
4068
4069 wcid = (type == IEEE80211_FC0_TYPE_DATA) ?
4070 RT2870_AID2WCID(ni->ni_associd) : 0xff;
4071
4072 /* calculate MPDU length without padding */
4073
4074 hdrsize = ieee80211_hdrsize(wh);
4075 hdrspace = ieee80211_hdrspace(ic, wh);
4076 mpdu_len = m->m_pkthdr.len - hdrspace + hdrsize;
4077
4078 memset(txwi, 0, sizeof(struct rt2870_txwi));
4079
4080 txwi->wcid = wcid;
4081
4082 txwi->pid_mpdu_len = ((htole16(pid) & RT2870_TXWI_PID_MASK) <<
4083 RT2870_TXWI_PID_SHIFT) | ((htole16(mpdu_len) & RT2870_TXWI_MPDU_LEN_MASK) <<
4084 RT2870_TXWI_MPDU_LEN_SHIFT);
4085
4086 stbc = (ni->ni_htcap & IEEE80211_HTCAP_RXSTBC) ? 1 : 0;
4087
4088 shortgi = (ic->ic_flags_ext & (IEEE80211_FEXT_SHORTGI20 | IEEE80211_FEXT_SHORTGI40)) &&
4089 (ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_htcap & (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40));
4090
4091 txwi->phymode_ifs_stbc_shortgi |=
4092 ((stbc & RT2870_TXWI_STBC_MASK) << RT2870_TXWI_STBC_SHIFT) |
4093 ((shortgi & RT2870_TXWI_SHORTGI_MASK) << RT2870_TXWI_SHORTGI_SHIFT);
4094
4095 if (ni->ni_flags & IEEE80211_NODE_HT)
4096 {
4097 txwi->phymode_ifs_stbc_shortgi |=
4098 (RT2870_TXWI_PHYMODE_HT_MIXED << RT2870_TXWI_PHYMODE_SHIFT);
4099 }
4100 else
4101 {
4102 if (!RT2870_RATE_IS_OFDM(rate))
4103 {
4104 txwi->phymode_ifs_stbc_shortgi |=
4105 (RT2870_TXWI_PHYMODE_CCK << RT2870_TXWI_PHYMODE_SHIFT);
4106
4107 if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
4108 mcs |= RT2870_TXWI_MCS_SHOTPRE;
4109 }
4110 else
4111 {
4112 txwi->phymode_ifs_stbc_shortgi |=
4113 (RT2870_TXWI_PHYMODE_OFDM << RT2870_TXWI_PHYMODE_SHIFT);
4114 }
4115 }
4116
4117 if ((ni->ni_flags & IEEE80211_NODE_HT) && (ni->ni_chw == 40))
4118 bw = RT2870_TXWI_BW_40;
4119 else
4120 bw = RT2870_TXWI_BW_20;
4121
4122 txwi->bw_mcs = ((bw & RT2870_TXWI_BW_MASK) << RT2870_TXWI_BW_SHIFT) |
4123 ((mcs & RT2870_TXWI_MCS_MASK) << RT2870_TXWI_MCS_SHIFT);
4124
4125 if (type != IEEE80211_FC0_TYPE_DATA)
4126 txwi->txop = (RT2870_TXWI_TXOP_BACKOFF << RT2870_TXWI_TXOP_SHIFT);
4127 else
4128 txwi->txop = (RT2870_TXWI_TXOP_HT << RT2870_TXWI_TXOP_SHIFT);
4129
4130 /* skip ACKs for multicast frames and probe responses */
4131
4132 if (!IEEE80211_IS_MULTICAST(wh->i_addr1) &&
4133 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) !=
4134 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) &&
4135 (!hasqos || (qos & IEEE80211_QOS_ACKPOLICY) != IEEE80211_QOS_ACKPOLICY_NOACK))
4136 {
4137 txwi->bawin_size_xflags |=
4138 (RT2870_TXWI_XFLAGS_ACK << RT2870_TXWI_XFLAGS_SHIFT);
4139
4140 if (ni->ni_flags & IEEE80211_NODE_HT)
4141 {
4142 /* preamble + plcp + signal extension + SIFS */
4143
4144 dur = 16 + 4 + 6 + 10;
4145 }
4146 else
4147 {
4148 ackrate = rt2870_ackrate(ic, rate);
4149
4150 dur = rt2870_txtime(RT2870_ACK_SIZE, ackrate, ic->ic_flags) +
4151 sc->sifs;
4152 }
4153
4154 *(uint16_t *) wh->i_dur = htole16(dur);
4155 }
4156
4157 /* check fo A-MPDU */
4158
4159 if ((qos & IEEE80211_QOS_ACKPOLICY) == IEEE80211_QOS_ACKPOLICY_BA)
4160 {
4161 ac = M_WME_GETAC(m);
4162 tx_ampdu = &ni->ni_tx_ampdu[ac];
4163
4164 mpdu_density = RT2870_MS(ni->ni_htparam, IEEE80211_HTCAP_MPDUDENSITY);
4165 bawin_size = 13; //tx_ampdu->txa_wnd;
4166
4167 txwi->mpdu_density_flags |=
4168 ((mpdu_density & RT2870_TXWI_MPDU_DENSITY_MASK) << RT2870_TXWI_MPDU_DENSITY_SHIFT) |
4169 (RT2870_TXWI_FLAGS_AMPDU << RT2870_TXWI_FLAGS_SHIFT);
4170
4171 txwi->bawin_size_xflags |=
4172 ((bawin_size & RT2870_TXWI_BAWIN_SIZE_MASK) << RT2870_TXWI_BAWIN_SIZE_SHIFT);
4173
4174 if (IEEE80211_HAS_ADDR4(wh))
4175 ((struct ieee80211_qosframe_addr4 *) wh)->i_qos[0] &= ~IEEE80211_QOS_ACKPOLICY;
4176 else
4177 ((struct ieee80211_qosframe *) wh)->i_qos[0] &= ~IEEE80211_QOS_ACKPOLICY;
4178
4179 ampdu = 1;
4180 }
4181 else
4182 {
4183 ampdu = 0;
4184 }
4185
4186 /* ask MAC to insert timestamp into probe responses */
4187
4188 if ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) ==
4189 (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP))
4190 txwi->mpdu_density_flags |=
4191 (RT2870_TXWI_FLAGS_TS << RT2870_TXWI_FLAGS_SHIFT);
4192
4193 if (bpf_peers_present(sc->drvbpf))
4194 {
4195 tap = &sc->txtap;
4196
4197 tap->flags = IEEE80211_RADIOTAP_F_DATAPAD;
4198 tap->chan_flags = htole32(ic->ic_curchan->ic_flags);
4199 tap->chan_freq = htole16(ic->ic_curchan->ic_freq);
4200 tap->chan_ieee = ic->ic_curchan->ic_ieee;
4201 tap->chan_maxpow = 0;
4202
4203 if (ni->ni_flags & IEEE80211_NODE_HT)
4204 tap->rate = mcs | IEEE80211_RATE_MCS;
4205 else
4206 tap->rate = rate;
4207
4208 if (mcs & RT2870_TXWI_MCS_SHOTPRE)
4209 tap->flags |= IEEE80211_RADIOTAP_F_SHORTPRE;
4210
4211 if (shortgi)
4212 tap->flags |= IEEE80211_RADIOTAP_F_SHORTGI;
4213
4214 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4215 tap->flags |= IEEE80211_RADIOTAP_F_WEP;
4216
4217 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
4218 {
4219 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
4220
4221 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
4222
4223 wh->i_fc[1] |= IEEE80211_FC1_WEP;
4224 }
4225 else
4226 {
4227 bpf_mtap2(sc->drvbpf, tap, sc->txtap_len, m);
4228 }
4229 }
4230
4231 m_copydata(m, 0, m->m_pkthdr.len, (caddr_t) (txwi + 1));
4232
4233 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4234 "%s: sending frame: qid=%d, hdrsize=%d, hdrspace=%d, len=%d, "
4235 "bw=%d, stbc=%d, shortgi=%d, mcs=%d, wcid=0x%02x, ampdu=%d, DMA len=%d\n",
4236 device_get_nameunit(sc->dev),
4237 qid, hdrsize, hdrspace, m->m_pkthdr.len, bw, stbc, shortgi, mcs, wcid, ampdu, dmalen);
4238
4239 data->m = m;
4240 data->ni = ni;
4241
4242 STAILQ_INSERT_TAIL(&ring->active, data, next);
4243 ring->queued++;
4244
4245 usbd_setup_xfer(data->xfer, ring->usb_pipe, ring, data->buf, len,
4246 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, RT2870_USB_XFER_TIMEOUT, rt2870_tx_intr);
4247
4248 usbd_transfer(data->xfer);
4249
4250 return 0;
4251 }
4252
4253 /*
4254 * rt2870_tx_raw
4255 */
4256 static int rt2870_tx_raw(struct rt2870_softc *sc,
4257 struct mbuf *m, struct ieee80211_node *ni,
4258 const struct ieee80211_bpf_params *params)
4259 {
4260 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4261 "%s: Tx raw\n",
4262 device_get_nameunit(sc->dev));
4263
4264 return 0;
4265 }
4266
4267 /*
4268 * rt2870_rx_intr
4269 */
4270 static void rt2870_rx_intr(usbd_xfer_handle xfer,
4271 usbd_private_handle priv, usbd_status status)
4272 {
4273 struct rt2870_softc *sc;
4274 struct ifnet *ifp;
4275 struct rt2870_softc_rx_ring *ring;
4276 struct rt2870_softc_rx_data *data;
4277 int len;
4278
4279 sc = priv;
4280 ifp = sc->ifp;
4281 ring = &sc->rx_ring;
4282
4283 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4284 return;
4285
4286 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4287 "%s: Rx interrupt: %s\n",
4288 device_get_nameunit(sc->dev), usbd_errstr(status));
4289
4290 sc->interrupts++;
4291 sc->rx_interrupts++;
4292
4293 switch (status)
4294 {
4295 case USBD_NORMAL_COMPLETION:
4296 data = STAILQ_FIRST(&ring->active);
4297 if (data == NULL)
4298 break;
4299
4300 STAILQ_REMOVE_HEAD(&ring->active, next);
4301
4302 KASSERT(data->xfer == xfer,
4303 ("%s: Rx interrupt: invalid USB xfer\n",
4304 device_get_nameunit(sc->dev)));
4305
4306 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL);
4307
4308 data->len = len;
4309
4310 STAILQ_INSERT_TAIL(&ring->done, data, next);
4311
4312 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4313 break;
4314
4315 case USBD_CANCELLED:
4316 case USBD_NOT_STARTED:
4317 break;
4318
4319 default:
4320 if (status == USBD_STALLED)
4321 usbd_clear_endpoint_stall_async(ring->usb_pipe);
4322
4323 data = STAILQ_FIRST(&ring->active);
4324 if (data != NULL)
4325 {
4326 STAILQ_REMOVE_HEAD(&ring->active, next);
4327
4328 STAILQ_INSERT_TAIL(&ring->active, data, next);
4329
4330 usbd_setup_xfer(xfer, ring->usb_pipe, sc, data->buf,
4331 RT2870_USB_RX_BULK_BUFLEN, USBD_SHORT_XFER_OK | USBD_NO_COPY,
4332 USBD_NO_TIMEOUT, rt2870_rx_intr);
4333
4334 usbd_transfer(xfer);
4335 }
4336 break;
4337 }
4338 }
4339
4340 /*
4341 * rt2870_tx_intr
4342 */
4343 static void rt2870_tx_intr(usbd_xfer_handle xfer,
4344 usbd_private_handle priv, usbd_status status)
4345 {
4346 struct rt2870_softc *sc;
4347 struct ifnet *ifp;
4348 struct rt2870_softc_tx_ring *ring;
4349 struct rt2870_softc_tx_data *data;
4350
4351 ring = priv;
4352 sc = ring->sc;
4353 ifp = sc->ifp;
4354
4355 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4356 return;
4357
4358 RT2870_DPRINTF(sc, RT2870_DEBUG_INTR,
4359 "%s: Tx interrupt: %s\n",
4360 device_get_nameunit(sc->dev), usbd_errstr(status));
4361
4362 sc->interrupts++;
4363 sc->tx_interrupts[ring->qid]++;
4364
4365 switch (status)
4366 {
4367 case USBD_NORMAL_COMPLETION:
4368 data = STAILQ_FIRST(&ring->active);
4369 if (data == NULL)
4370 break;
4371
4372 STAILQ_REMOVE_HEAD(&ring->active, next);
4373
4374 STAILQ_INSERT_TAIL(&ring->done, data, next);
4375
4376 sc->tx_qid_pending_mask |= (1 << ring->qid);
4377
4378 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4379 break;
4380
4381 case USBD_CANCELLED:
4382 case USBD_NOT_STARTED:
4383 break;
4384
4385 default:
4386 data = STAILQ_FIRST(&ring->active);
4387 if (data != NULL)
4388 {
4389 STAILQ_REMOVE_HEAD(&ring->active, next);
4390
4391 if (data->m != NULL)
4392 {
4393 m_freem(data->m);
4394 data->m = NULL;
4395 }
4396
4397 if (data->ni != NULL)
4398 {
4399 ieee80211_free_node(data->ni);
4400 data->ni = NULL;
4401 }
4402
4403 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4404
4405 ring->queued--;
4406 }
4407
4408 printf("%s: could not transmit buffer: qid=%d, status=%s\n",
4409 device_get_nameunit(sc->dev), ring->qid, usbd_errstr(status));
4410
4411 ifp->if_oerrors++;
4412 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4413
4414 if (status == USBD_STALLED)
4415 usbd_clear_endpoint_stall_async(ring->usb_pipe);
4416 break;
4417 }
4418 }
4419
4420 /*
4421 * rt2870_rx_done_task
4422 */
4423 static void rt2870_rx_done_task(void *context, int pending)
4424 {
4425 struct rt2870_softc *sc;
4426 struct ifnet *ifp;
4427
4428 sc = context;
4429 ifp = sc->ifp;
4430
4431 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4432 "%s: Rx done task\n",
4433 device_get_nameunit(sc->dev));
4434
4435 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4436 return;
4437
4438 if (rt2870_rx_eof(sc, sc->rx_process_limit) != 0)
4439 {
4440 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4441 "%s: Rx done task: scheduling again\n",
4442 device_get_nameunit(sc->dev));
4443
4444 taskqueue_enqueue(sc->taskqueue, &sc->rx_done_task);
4445 }
4446 }
4447
4448 /*
4449 * rt2870_tx_done_task
4450 */
4451 static void rt2870_tx_done_task(void *context, int pending)
4452 {
4453 struct rt2870_softc *sc;
4454 struct ifnet *ifp;
4455 int i;
4456
4457 sc = context;
4458 ifp = sc->ifp;
4459
4460 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4461 "%s: Tx done task\n",
4462 device_get_nameunit(sc->dev));
4463
4464 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4465 return;
4466
4467 for (i = sc->usb_endpoints - 2; i >= 0; i--)
4468 {
4469 if (sc->tx_qid_pending_mask & (1 << i))
4470 {
4471 sc->tx_qid_pending_mask &= ~(1 << i);
4472
4473 rt2870_tx_eof(sc, &sc->tx_ring[i]);
4474 }
4475 }
4476
4477 if (sc->tx_qid_pending_mask != 0)
4478 {
4479 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4480 "%s: Tx done task: scheduling again\n",
4481 device_get_nameunit(sc->dev));
4482
4483 taskqueue_enqueue(sc->taskqueue, &sc->tx_done_task);
4484 }
4485
4486 sc->tx_timer = 0;
4487
4488 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
4489 }
4490
4491 /*
4492 * rt2870_periodic_task
4493 */
4494 static void rt2870_periodic_task(void *context, int pending)
4495 {
4496 struct rt2870_softc *sc;
4497 struct ifnet *ifp;
4498 struct ieee80211com *ic;
4499
4500 sc = context;
4501 ifp = sc->ifp;
4502 ic = &sc->ic;
4503
4504 RT2870_DPRINTF(sc, RT2870_DEBUG_PERIODIC,
4505 "%s: periodic task: round=%lu\n",
4506 device_get_nameunit(sc->dev), sc->periodic_round);
4507
4508 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
4509 return;
4510
4511 sc->periodic_round++;
4512
4513 rt2870_update_stats(sc);
4514
4515 if ((sc->periodic_round % 10) == 0)
4516 {
4517 rt2870_bbp_tuning(sc);
4518
4519 rt2870_update_raw_counters(sc);
4520
4521 rt2870_watchdog(sc);
4522
4523 if (ic->ic_opmode == IEEE80211_M_STA)
4524 rt2870_amrr_update_iter_func(sc, ic->ic_bss);
4525 else
4526 ieee80211_iterate_nodes(&ic->ic_sta, rt2870_amrr_update_iter_func, sc);
4527 }
4528
4529 callout_reset(&sc->periodic_ch, hz / 10, rt2870_periodic, sc);
4530 }
4531
4532 /*
4533 * rt2870_cmd_task
4534 */
4535 static void rt2870_cmd_task(void *context, int pending)
4536 {
4537 struct rt2870_softc *sc;
4538 struct rt2870_softc_cmd_ring *ring;
4539 struct rt2870_softc_cmd *cmd;
4540
4541 sc = context;
4542 ring = &sc->cmd_ring;
4543
4544 while (1)
4545 {
4546 RT2870_SOFTC_LOCK(sc);
4547
4548 cmd = STAILQ_FIRST(&ring->active);
4549 if (cmd == NULL)
4550 {
4551 RT2870_SOFTC_UNLOCK(sc);
4552 break;
4553 }
4554
4555 STAILQ_REMOVE_HEAD(&ring->active, next);
4556
4557 RT2870_SOFTC_UNLOCK(sc);
4558
4559 cmd->cb(sc, cmd->data);
4560
4561 RT2870_SOFTC_LOCK(sc);
4562
4563 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
4564 ring->queued--;
4565
4566 RT2870_SOFTC_UNLOCK(sc);
4567 }
4568 }
4569
4570 /*
4571 * rt2870_rx_eof
4572 */
4573 static int rt2870_rx_eof(struct rt2870_softc *sc, int limit)
4574 {
4575 struct ifnet *ifp;
4576 struct rt2870_softc_rx_ring *ring;
4577 struct rt2870_softc_rx_data *data;
4578 uint32_t dmalen;
4579 uint8_t *buf;
4580 int nframes, len;
4581
4582 ifp = sc->ifp;
4583 ring = &sc->rx_ring;
4584
4585 nframes = 0;
4586
4587 while (limit != 0)
4588 {
4589 RT2870_SOFTC_LOCK(sc);
4590
4591 data = STAILQ_FIRST(&ring->done);
4592 if (data == NULL)
4593 {
4594 RT2870_SOFTC_UNLOCK(sc);
4595 break;
4596 }
4597
4598 STAILQ_REMOVE_HEAD(&ring->done, next);
4599
4600 RT2870_SOFTC_UNLOCK(sc);
4601
4602 buf = data->buf;
4603 len = data->len;
4604
4605 if (len < RT2870_RX_DESC_SIZE)
4606 {
4607 ifp->if_ierrors++;
4608 goto skip;
4609 }
4610
4611 while (len > (sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)))
4612 {
4613 dmalen = (le32toh(*(uint32_t *) buf) & 0xffff);
4614
4615 if (dmalen == 0 || (dmalen & 3) != 0)
4616 {
4617 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4618 "%s: bad DMA len=%u\n",
4619 device_get_nameunit(sc->dev), dmalen);
4620 goto skip;
4621 }
4622
4623 if ((dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)) > len)
4624 {
4625 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4626 "%s: bad DMA len: DMA len=%u, USB len=%d\n",
4627 device_get_nameunit(sc->dev),
4628 (unsigned int) (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo)), len);
4629 goto skip;
4630 }
4631
4632 nframes++;
4633
4634 rt2870_rx_frame(sc, buf + sizeof(uint32_t), dmalen);
4635
4636 buf += (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
4637 len -= (dmalen + sizeof(uint32_t) + sizeof(struct rt2870_rxinfo));
4638 }
4639
4640 skip:
4641
4642 RT2870_SOFTC_LOCK(sc);
4643
4644 STAILQ_INSERT_TAIL(&ring->active, data, next);
4645
4646 RT2870_SOFTC_UNLOCK(sc);
4647
4648 usbd_setup_xfer(data->xfer, ring->usb_pipe, sc, data->buf,
4649 RT2870_USB_RX_BULK_BUFLEN, USBD_SHORT_XFER_OK | USBD_NO_COPY,
4650 USBD_NO_TIMEOUT, rt2870_rx_intr);
4651
4652 usbd_transfer(data->xfer);
4653
4654 limit--;
4655 }
4656
4657 RT2870_DPRINTF(sc, RT2870_DEBUG_RX,
4658 "%s: Rx eof: nframes=%d\n",
4659 device_get_nameunit(sc->dev), nframes);
4660
4661 sc->rx_packets += nframes;
4662
4663 return (limit == 0);
4664 }
4665
4666 /*
4667 * rt2870_tx_eof
4668 */
4669 static void rt2870_tx_eof(struct rt2870_softc *sc,
4670 struct rt2870_softc_tx_ring *ring)
4671 {
4672 struct ifnet *ifp;
4673 struct rt2870_softc_tx_data *data;
4674 int nframes;
4675
4676 ifp = sc->ifp;
4677
4678 nframes = 0;
4679
4680 while (1)
4681 {
4682 RT2870_SOFTC_LOCK(sc);
4683
4684 data = STAILQ_FIRST(&ring->done);
4685 if (data == NULL)
4686 {
4687 RT2870_SOFTC_UNLOCK(sc);
4688 break;
4689 }
4690
4691 STAILQ_REMOVE_HEAD(&ring->done, next);
4692
4693 RT2870_SOFTC_UNLOCK(sc);
4694
4695 rt2870_drain_fifo_stats(sc);
4696
4697 nframes++;
4698
4699 if (data->m->m_flags & M_TXCB)
4700 ieee80211_process_callback(data->ni, data->m, 0);
4701
4702 m_freem(data->m);
4703
4704 ieee80211_free_node(data->ni);
4705
4706 data->m = NULL;
4707 data->ni = NULL;
4708
4709 RT2870_SOFTC_LOCK(sc);
4710
4711 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
4712
4713 ring->queued--;
4714
4715 RT2870_SOFTC_UNLOCK(sc);
4716
4717 ifp->if_opackets++;
4718 }
4719
4720 RT2870_DPRINTF(sc, RT2870_DEBUG_TX,
4721 "%s: Tx eof: qid=%d, nframes=%d\n",
4722 device_get_nameunit(sc->dev), ring->qid, nframes);
4723 }
4724
4725 /*
4726 * rt2870_update_stats
4727 */
4728 static void rt2870_update_stats(struct rt2870_softc *sc)
4729 {
4730 struct ifnet *ifp;
4731 struct ieee80211com *ic;
4732 struct ieee80211_node *ni;
4733 uint32_t stacnt[3];
4734 int beacons, noretryok, retryok, failed;
4735 uint16_t associd;
4736 uint8_t wcid;
4737
4738 ifp = sc->ifp;
4739 ic = &sc->ic;
4740
4741 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
4742 "%s: update statistic\n",
4743 device_get_nameunit(sc->dev));
4744
4745 rt2870_drain_fifo_stats(sc);
4746
4747 /* read and clear Tx statistic registers */
4748
4749 rt2870_io_mac_read_multi(sc, RT2870_REG_TX_STA_CNT0,
4750 stacnt, sizeof(stacnt));
4751
4752 stacnt[0] = le32toh(stacnt[0]);
4753 stacnt[1] = le32toh(stacnt[1]);
4754 stacnt[2] = le32toh(stacnt[2]);
4755
4756 beacons = stacnt[0] >> 16;
4757 noretryok = stacnt[1] & 0xffff;
4758 retryok = stacnt[1] >> 16;
4759 failed = stacnt[0] & 0xffff;
4760
4761 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
4762 "%s: update statistic: beacons=%d, noretryok=%d, retryok=%d, failed=%d\n",
4763 device_get_nameunit(sc->dev),
4764 beacons, noretryok, retryok, failed);
4765
4766 ifp->if_oerrors += failed;
4767
4768 sc->tx_beacons += beacons;
4769 sc->tx_noretryok += noretryok;
4770 sc->tx_retryok += retryok;
4771 sc->tx_failed += failed;
4772
4773 if (ic->ic_opmode == IEEE80211_M_STA && ic->ic_state == IEEE80211_S_RUN)
4774 {
4775 ni = ic->ic_bss;
4776
4777 associd = (ni != NULL) ? ni->ni_associd : 0;
4778 wcid = RT2870_AID2WCID(associd);
4779
4780 rt2870_amrr_tx_update(&sc->amrr_node[wcid],
4781 noretryok + retryok + failed, noretryok + retryok, retryok + failed);
4782 }
4783 }
4784
4785 /*
4786 * rt2870_bbp_tuning
4787 */
4788 static void rt2870_bbp_tuning(struct rt2870_softc *sc)
4789 {
4790 struct ieee80211com *ic;
4791 struct ieee80211_node *ni;
4792 int chan, group;
4793 int8_t rssi, old, new;
4794
4795 /* RT2860C does not support BBP tuning */
4796
4797 if (sc->mac_rev == 0x28600100)
4798 return;
4799
4800 ic = &sc->ic;
4801
4802 if ((ic->ic_flags & IEEE80211_F_SCAN) ||
4803 ic->ic_opmode != IEEE80211_M_STA || ic->ic_state != IEEE80211_S_RUN)
4804 return;
4805
4806 ni = ic->ic_bss;
4807
4808 chan = ieee80211_chan2ieee(ic, ni->ni_chan);
4809
4810 if (chan <= 14)
4811 group = 0;
4812 else if (chan <= 64)
4813 group = 1;
4814 else if (chan <= 128)
4815 group = 2;
4816 else
4817 group = 3;
4818
4819 rssi = ieee80211_getrssi(ic);
4820
4821 if (IEEE80211_IS_CHAN_2GHZ(ni->ni_chan))
4822 {
4823 new = 0x2e + sc->lna_gain[group];
4824 }
4825 else
4826 {
4827 if (!IEEE80211_IS_CHAN_HT40(ni->ni_chan))
4828 new = 0x32 + sc->lna_gain[group] * 5 / 3;
4829 else
4830 new = 0x3a + sc->lna_gain[group] * 5 / 3;
4831 }
4832
4833 /* Tune if absolute average RSSI is greater than -80 */
4834
4835 if (rssi > -80)
4836 new += 0x10;
4837
4838 old = rt2870_io_bbp_read(sc, 66);
4839
4840 if (old != new)
4841 rt2870_io_bbp_write(sc, 66, new);
4842 }
4843
4844 /*
4845 * rt2870_watchdog
4846 */
4847 static void rt2870_watchdog(struct rt2870_softc *sc)
4848 {
4849 uint32_t tmp;
4850 int ntries;
4851
4852 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
4853
4854 RT2870_DPRINTF(sc, RT2870_DEBUG_WATCHDOG,
4855 "%s: watchdog: TXRXQ_PCNT=0x%08x\n",
4856 device_get_nameunit(sc->dev), tmp);
4857
4858 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) != 0)
4859 {
4860 sc->tx_queue_not_empty[0]++;
4861
4862 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40012);
4863
4864 for (ntries = 0; ntries < 10; ntries++)
4865 {
4866 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
4867 if (((tmp >> RT2870_REG_TX0Q_PCNT_SHIFT) & RT2870_REG_TX0Q_PCNT_MASK) == 0)
4868 break;
4869
4870 DELAY(1);
4871 }
4872
4873 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
4874 }
4875
4876 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) != 0)
4877 {
4878 sc->tx_queue_not_empty[1]++;
4879
4880 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf4000a);
4881
4882 for (ntries = 0; ntries < 10; ntries++)
4883 {
4884 tmp = rt2870_io_mac_read(sc, RT2870_REG_PBF_TXRXQ_PCNT);
4885 if (((tmp >> RT2870_REG_TX1Q_PCNT_SHIFT) & RT2870_REG_TX1Q_PCNT_MASK) == 0)
4886 break;
4887
4888 DELAY(1);
4889 }
4890
4891 rt2870_io_mac_write(sc, RT2870_REG_PBF_CFG, 0xf40006);
4892 }
4893 }
4894
4895 /*
4896 * rt2870_drain_fifo_stats
4897 */
4898 static void rt2870_drain_fifo_stats(struct rt2870_softc *sc)
4899 {
4900 struct ifnet *ifp;
4901 uint32_t stats;
4902 uint8_t wcid, mcs, pid;
4903 int ok, agg, retrycnt;
4904
4905 ifp = sc->ic.ic_ifp;
4906
4907 /* drain Tx status FIFO (maxsize = 16) */
4908
4909 while ((stats = rt2870_io_mac_read(sc, RT2870_REG_TX_STA_FIFO)) &
4910 RT2870_REG_TX_STA_FIFO_VALID)
4911 {
4912 wcid = (stats >> RT2870_REG_TX_STA_FIFO_WCID_SHIFT) &
4913 RT2870_REG_TX_STA_FIFO_WCID_MASK;
4914
4915 /* if no ACK was requested, no feedback is available */
4916
4917 if (!(stats & RT2870_REG_TX_STA_FIFO_ACK_REQ) || wcid == 0xff)
4918 continue;
4919
4920 /* update AMRR statistic */
4921
4922 ok = (stats & RT2870_REG_TX_STA_FIFO_TX_OK) ? 1 : 0;
4923 agg = (stats & RT2870_REG_TX_STA_FIFO_AGG) ? 1 : 0;
4924 mcs = (stats >> RT2870_REG_TX_STA_FIFO_MCS_SHIFT) &
4925 RT2870_REG_TX_STA_FIFO_MCS_MASK;
4926 pid = (stats >> RT2870_REG_TX_STA_FIFO_PID_SHIFT) &
4927 RT2870_REG_TX_STA_FIFO_PID_MASK;
4928 retrycnt = pid - mcs;
4929
4930 RT2870_DPRINTF(sc, RT2870_DEBUG_STATS,
4931 "%s: FIFO statistic: wcid=0x%02x, ok=%d, agg=%d, mcs=0x%02x, pid=0x%02x, retrycnt=%d\n",
4932 device_get_nameunit(sc->dev),
4933 wcid, ok, agg, mcs, pid, retrycnt);
4934
4935 rt2870_amrr_tx_complete(&sc->amrr_node[wcid], ok, retrycnt);
4936
4937 if (!ok)
4938 ifp->if_oerrors++;
4939 }
4940 }
4941
4942 /*
4943 * rt2870_update_raw_counters
4944 */
4945 static void rt2870_update_raw_counters(struct rt2870_softc *sc)
4946 {
4947 uint32_t tmp;
4948
4949 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT);
4950
4951 sc->tx_nonagg += tmp & 0xffff;
4952 sc->tx_agg += tmp >> 16;
4953
4954 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT0);
4955
4956 sc->tx_ampdu += (tmp & 0xffff) / 1 + (tmp >> 16) / 2;
4957
4958 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT1);
4959
4960 sc->tx_ampdu += (tmp & 0xffff) / 3 + (tmp >> 16) / 4;
4961
4962 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT2);
4963
4964 sc->tx_ampdu += (tmp & 0xffff) / 5 + (tmp >> 16) / 6;
4965
4966 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT3);
4967
4968 sc->tx_ampdu += (tmp & 0xffff) / 7 + (tmp >> 16) / 8;
4969
4970 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT4);
4971
4972 sc->tx_ampdu += (tmp & 0xffff) / 9 + (tmp >> 16) / 10;
4973
4974 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT5);
4975
4976 sc->tx_ampdu += (tmp & 0xffff) / 11 + (tmp >> 16) / 12;
4977
4978 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT6);
4979
4980 sc->tx_ampdu += (tmp & 0xffff) / 13 + (tmp >> 16) / 14;
4981
4982 tmp = rt2870_io_mac_read(sc, RT2870_REG_TX_AGG_CNT7);
4983
4984 sc->tx_ampdu += (tmp & 0xffff) / 15 + (tmp >> 16) / 16;
4985
4986 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT0);
4987
4988 sc->rx_crc_errors += tmp & 0xffff;
4989 sc->rx_phy_errors += tmp >> 16;
4990
4991 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT1);
4992
4993 sc->rx_false_ccas += tmp & 0xffff;
4994 sc->rx_plcp_errors += tmp >> 16;
4995
4996 tmp = rt2870_io_mac_read(sc, RT2870_REG_RX_STA_CNT2);
4997
4998 sc->rx_dup_packets += tmp & 0xffff;
4999 sc->rx_fifo_overflows += tmp >> 16;
5000 }
5001
5002 /*
5003 * rt2870_alloc_rx_ring
5004 */
5005 static int rt2870_alloc_rx_ring(struct rt2870_softc *sc,
5006 struct rt2870_softc_rx_ring *ring)
5007 {
5008 struct rt2870_softc_rx_data *data;
5009 int i, error;
5010
5011 STAILQ_INIT(&ring->active);
5012 STAILQ_INIT(&ring->done);
5013
5014 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5015 {
5016 data = &ring->data[i];
5017
5018 data->xfer = usbd_alloc_xfer(sc->usb_dev);
5019 if (data->xfer == NULL)
5020 {
5021 printf("%s: could not allocate Rx xfer\n",
5022 device_get_nameunit(sc->dev));
5023 error = ENOMEM;
5024 goto fail;
5025 }
5026
5027 data->buf = usbd_alloc_buffer(data->xfer, RT2870_USB_RX_BULK_BUFLEN);
5028 if (data->buf == NULL)
5029 {
5030 printf("%s: could not allocate Rx buffer\n",
5031 device_get_nameunit(sc->dev));
5032 error = ENOMEM;
5033 goto fail;
5034 }
5035 }
5036
5037 return 0;
5038
5039 fail:
5040
5041 rt2870_free_rx_ring(sc, ring);
5042
5043 return error;
5044 }
5045
5046 /*
5047 * rt2870_reset_rx_ring
5048 */
5049 static void rt2870_reset_rx_ring(struct rt2870_softc *sc,
5050 struct rt2870_softc_rx_ring *ring)
5051 {
5052 STAILQ_INIT(&ring->active);
5053 STAILQ_INIT(&ring->done);
5054 }
5055
5056 /*
5057 * rt2870_free_rx_ring
5058 */
5059 static void rt2870_free_rx_ring(struct rt2870_softc *sc,
5060 struct rt2870_softc_rx_ring *ring)
5061 {
5062 struct rt2870_softc_rx_data *data;
5063 int i;
5064
5065 for (i = 0; i < RT2870_SOFTC_RX_RING_DATA_COUNT; i++)
5066 {
5067 data = &ring->data[i];
5068
5069 if (data->xfer != NULL)
5070 {
5071 usbd_free_xfer(data->xfer);
5072 data->xfer = NULL;
5073 }
5074 }
5075 }
5076
5077 /*
5078 * rt2870_alloc_tx_ring
5079 */
5080 static int rt2870_alloc_tx_ring(struct rt2870_softc *sc,
5081 struct rt2870_softc_tx_ring *ring, int qid)
5082 {
5083 struct rt2870_softc_tx_data *data;
5084 int i, error;
5085
5086 STAILQ_INIT(&ring->inactive);
5087 STAILQ_INIT(&ring->active);
5088 STAILQ_INIT(&ring->done);
5089
5090 ring->sc = sc;
5091 ring->queued = 0;
5092 ring->qid = qid;
5093
5094 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5095 {
5096 data = &ring->data[i];
5097
5098 data->xfer = usbd_alloc_xfer(sc->usb_dev);
5099 if (data->xfer == NULL)
5100 {
5101 printf("%s: could not allocate Tx xfer\n",
5102 device_get_nameunit(sc->dev));
5103 error = ENOMEM;
5104 goto fail;
5105 }
5106
5107 data->buf = usbd_alloc_buffer(data->xfer,
5108 RT2870_TX_DESC_SIZE + MJUMPAGESIZE);
5109 if (data->buf == NULL)
5110 {
5111 printf("%s: could not allocate Tx buffer\n",
5112 device_get_nameunit(sc->dev));
5113 error = ENOMEM;
5114 goto fail;
5115 }
5116
5117 memset(data->buf, 0, RT2870_TX_DESC_SIZE);
5118
5119 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5120 }
5121
5122 return 0;
5123
5124 fail:
5125
5126 rt2870_free_tx_ring(sc, ring);
5127
5128 return error;
5129 }
5130
5131 /*
5132 * rt2870_reset_tx_ring
5133 */
5134 static void rt2870_reset_tx_ring(struct rt2870_softc *sc,
5135 struct rt2870_softc_tx_ring *ring)
5136 {
5137 struct rt2870_softc_tx_data *data;
5138 int i;
5139
5140 STAILQ_INIT(&ring->inactive);
5141 STAILQ_INIT(&ring->active);
5142 STAILQ_INIT(&ring->done);
5143
5144 ring->queued = 0;
5145
5146 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5147 {
5148 data = &ring->data[i];
5149
5150 if (data->m != NULL)
5151 {
5152 m_free(data->m);
5153 data->m = NULL;
5154 }
5155
5156 if (data->ni != NULL)
5157 {
5158 ieee80211_free_node(data->ni);
5159 data->ni = NULL;
5160 }
5161
5162 STAILQ_INSERT_TAIL(&ring->inactive, data, next);
5163 }
5164 }
5165
5166 /*
5167 * rt2870_free_tx_ring
5168 */
5169 static void rt2870_free_tx_ring(struct rt2870_softc *sc,
5170 struct rt2870_softc_tx_ring *ring)
5171 {
5172 struct rt2870_softc_tx_data *data;
5173 int i;
5174
5175 for (i = 0; i < RT2870_SOFTC_TX_RING_DATA_COUNT; i++)
5176 {
5177 data = &ring->data[i];
5178
5179 if (data->xfer != NULL)
5180 {
5181 usbd_free_xfer(data->xfer);
5182 data->xfer = NULL;
5183 }
5184
5185 if (data->m != NULL)
5186 {
5187 m_free(data->m);
5188 data->m = NULL;
5189 }
5190
5191 if (data->ni != NULL)
5192 {
5193 ieee80211_free_node(data->ni);
5194 data->ni = NULL;
5195 }
5196 }
5197 }
5198
5199 /*
5200 * rt2870_reset_cmd_ring
5201 */
5202 static void rt2870_reset_cmd_ring(struct rt2870_softc *sc,
5203 struct rt2870_softc_cmd_ring *ring)
5204 {
5205 struct rt2870_softc_cmd *cmd;
5206 int i;
5207
5208 STAILQ_INIT(&ring->inactive);
5209 STAILQ_INIT(&ring->active);
5210
5211 ring->queued = 0;
5212
5213 for (i = 0; i < RT2870_SOFTC_CMD_RING_CMD_COUNT; i++)
5214 {
5215 cmd = &ring->cmd[i];
5216
5217 STAILQ_INSERT_TAIL(&ring->inactive, cmd, next);
5218 }
5219 }
5220
5221 /*
5222 * rt2870_sysctl_attach
5223 */
5224 static void rt2870_sysctl_attach(struct rt2870_softc *sc)
5225 {
5226 struct sysctl_ctx_list *ctx;
5227 struct sysctl_oid *tree;
5228 struct sysctl_oid *stats;
5229
5230 ctx = device_get_sysctl_ctx(sc->dev);
5231 tree = device_get_sysctl_tree(sc->dev);
5232
5233 stats = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
5234 "stats", CTLFLAG_RD, 0, "statistic");
5235
5236 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5237 "interrupts", CTLFLAG_RD, &sc->interrupts, 0,
5238 "all interrupts");
5239
5240 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5241 "rx_interrupts", CTLFLAG_RD, &sc->rx_interrupts, 0,
5242 "Rx 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_interrupts", CTLFLAG_RD, &sc->tx_interrupts[5], 0,
5248 "Tx MGMT interrupts");
5249
5250 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5251 "tx_hcca_interrupts", CTLFLAG_RD, &sc->tx_interrupts[4], 0,
5252 "Tx HCCA interrupts");
5253 }
5254
5255 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5256 "tx_ac3_interrupts", CTLFLAG_RD, &sc->tx_interrupts[3], 0,
5257 "Tx AC3 interrupts");
5258
5259 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5260 "tx_ac2_interrupts", CTLFLAG_RD, &sc->tx_interrupts[2], 0,
5261 "Tx AC2 interrupts");
5262
5263 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5264 "tx_ac1_interrupts", CTLFLAG_RD, &sc->tx_interrupts[1], 0,
5265 "Tx AC1 interrupts");
5266
5267 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5268 "tx_ac0_interrupts", CTLFLAG_RD, &sc->tx_interrupts[0], 0,
5269 "Tx AC0 interrupts");
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_queued", CTLFLAG_RD, &sc->tx_ring[5].queued, 0,
5275 "Tx MGMT data queued");
5276
5277 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5278 "tx_hcca_data_queued", CTLFLAG_RD, &sc->tx_ring[4].queued, 0,
5279 "Tx HCCA data queued");
5280 }
5281
5282 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5283 "tx_ac3_data_queued", CTLFLAG_RD, &sc->tx_ring[3].queued, 0,
5284 "Tx AC3 data queued");
5285
5286 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5287 "tx_ac2_data_queued", CTLFLAG_RD, &sc->tx_ring[2].queued, 0,
5288 "Tx AC2 data queued");
5289
5290 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5291 "tx_ac1_data_queued", CTLFLAG_RD, &sc->tx_ring[1].queued, 0,
5292 "Tx AC1 data queued");
5293
5294 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5295 "tx_ac0_data_queued", CTLFLAG_RD, &sc->tx_ring[0].queued, 0,
5296 "Tx AC0 data queued");
5297
5298 if (sc->usb_endpoints == (RT2870_SOFTC_TX_RING_COUNT + 1))
5299 {
5300 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5301 "tx_mgmt_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[5], 0,
5302 "Tx MGMT data queue full");
5303
5304 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5305 "tx_hcca_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[4], 0,
5306 "Tx HCCA data queue full");
5307 }
5308
5309 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5310 "tx_ac3_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[3], 0,
5311 "Tx AC3 data queue full");
5312
5313 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5314 "tx_ac2_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[2], 0,
5315 "Tx AC2 data queue full");
5316
5317 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5318 "tx_ac1_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[1], 0,
5319 "Tx AC1 data queue full");
5320
5321 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5322 "tx_ac0_data_queue_full", CTLFLAG_RD, &sc->tx_data_queue_full[0], 0,
5323 "Tx AC0 data queue full");
5324
5325 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5326 "tx_watchdog_timeouts", CTLFLAG_RD, &sc->tx_watchdog_timeouts, 0,
5327 "Tx watchdog timeouts");
5328
5329 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5330 "rx_mbuf_alloc_errors", CTLFLAG_RD, &sc->rx_mbuf_alloc_errors, 0,
5331 "Rx mbuf allocation errors");
5332
5333 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5334 "tx_queue_0_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[0], 0,
5335 "Tx queue 0 not empty");
5336
5337 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5338 "tx_queue_1_not_empty", CTLFLAG_RD, &sc->tx_queue_not_empty[1], 0,
5339 "Tx queue 1 not empty");
5340
5341 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5342 "tx_beacons", CTLFLAG_RD, &sc->tx_beacons, 0,
5343 "Tx beacons");
5344
5345 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5346 "tx_noretryok", CTLFLAG_RD, &sc->tx_noretryok, 0,
5347 "Tx successfull without retries");
5348
5349 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5350 "tx_retryok", CTLFLAG_RD, &sc->tx_retryok, 0,
5351 "Tx successfull with retries");
5352
5353 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5354 "tx_failed", CTLFLAG_RD, &sc->tx_failed, 0,
5355 "Tx failed");
5356
5357 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5358 "tx_nonagg", CTLFLAG_RD, &sc->tx_nonagg, 0,
5359 "Tx non-aggregated");
5360
5361 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5362 "tx_agg", CTLFLAG_RD, &sc->tx_agg, 0,
5363 "Tx aggregated");
5364
5365 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5366 "tx_ampdu", CTLFLAG_RD, &sc->tx_ampdu, 0,
5367 "Tx A-MPDU");
5368
5369 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5370 "rx_packets", CTLFLAG_RD, &sc->rx_packets, 0,
5371 "Rx packets");
5372
5373 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5374 "rx_ampdu", CTLFLAG_RD, &sc->rx_ampdu, 0,
5375 "Rx A-MPDU");
5376
5377 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5378 "rx_amsdu", CTLFLAG_RD, &sc->rx_amsdu, 0,
5379 "Rx A-MSDU");
5380
5381 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5382 "rx_crc_errors", CTLFLAG_RD, &sc->rx_crc_errors, 0,
5383 "Rx CRC errors");
5384
5385 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5386 "rx_phy_errors", CTLFLAG_RD, &sc->rx_phy_errors, 0,
5387 "Rx PHY errors");
5388
5389 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5390 "rx_false_ccas", CTLFLAG_RD, &sc->rx_false_ccas, 0,
5391 "Rx false CCAs");
5392
5393 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5394 "rx_plcp_errors", CTLFLAG_RD, &sc->rx_plcp_errors, 0,
5395 "Rx PLCP errors");
5396
5397 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5398 "rx_dup_packets", CTLFLAG_RD, &sc->rx_dup_packets, 0,
5399 "Rx duplicate packets");
5400
5401 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(stats), OID_AUTO,
5402 "rx_fifo_overflows", CTLFLAG_RD, &sc->rx_fifo_overflows, 0,
5403 "Rx FIFO overflows");
5404 }
5405
5406 static device_method_t rt2870_dev_methods[] =
5407 {
5408 DEVMETHOD(device_probe, rt2870_probe),
5409 DEVMETHOD(device_attach, rt2870_attach),
5410 DEVMETHOD(device_detach, rt2870_detach),
5411 { 0, 0 }
5412 };
5413
5414 static driver_t rt2870_driver =
5415 {
5416 "rt2870",
5417 rt2870_dev_methods,
5418 sizeof(struct rt2870_softc),
5419 };
5420
5421 static devclass_t rt2870_dev_class;
5422
5423 DRIVER_MODULE(rt2870, uhub, rt2870_driver, rt2870_dev_class,
5424 usbd_driver_load, 0);
5425
5426 MODULE_DEPEND(rt2870, usb, 1, 1, 1);
5427 MODULE_DEPEND(rt2870, wlan, 1, 1, 1);
FreeBSD 7.2 device driver for Ralink rt2870