xref: /freebsd/sys/dev/ath/if_ath_sysctl.c (revision 783d3ff6d7fae619db8a7990b8a6387de0c677b5)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer,
12  *    without modification.
13  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
14  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
15  *    redistribution must be conditioned upon including a substantially
16  *    similar Disclaimer requirement for further binary redistribution.
17  *
18  * NO WARRANTY
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
22  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
23  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
24  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
27  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
29  * THE POSSIBILITY OF SUCH DAMAGES.
30  */
31 
32 #include <sys/cdefs.h>
33 /*
34  * Driver for the Atheros Wireless LAN controller.
35  *
36  * This software is derived from work of Atsushi Onoe; his contribution
37  * is greatly appreciated.
38  */
39 
40 #include "opt_inet.h"
41 #include "opt_ath.h"
42 #include "opt_wlan.h"
43 
44 #include <sys/param.h>
45 #include <sys/systm.h>
46 #include <sys/sysctl.h>
47 #include <sys/mbuf.h>
48 #include <sys/malloc.h>
49 #include <sys/lock.h>
50 #include <sys/mutex.h>
51 #include <sys/kernel.h>
52 #include <sys/socket.h>
53 #include <sys/sockio.h>
54 #include <sys/errno.h>
55 #include <sys/callout.h>
56 #include <sys/bus.h>
57 #include <sys/endian.h>
58 #include <sys/kthread.h>
59 #include <sys/taskqueue.h>
60 #include <sys/priv.h>
61 
62 #include <machine/bus.h>
63 
64 #include <net/if.h>
65 #include <net/if_var.h>
66 #include <net/if_dl.h>
67 #include <net/if_media.h>
68 #include <net/if_types.h>
69 #include <net/if_arp.h>
70 #include <net/ethernet.h>
71 #include <net/if_llc.h>
72 
73 #include <net80211/ieee80211_var.h>
74 #include <net80211/ieee80211_regdomain.h>
75 #ifdef IEEE80211_SUPPORT_SUPERG
76 #include <net80211/ieee80211_superg.h>
77 #endif
78 #ifdef IEEE80211_SUPPORT_TDMA
79 #include <net80211/ieee80211_tdma.h>
80 #endif
81 
82 #include <net/bpf.h>
83 
84 #ifdef INET
85 #include <netinet/in.h>
86 #include <netinet/if_ether.h>
87 #endif
88 
89 #include <dev/ath/if_athvar.h>
90 #include <dev/ath/ath_hal/ah_devid.h>		/* XXX for softled */
91 #include <dev/ath/ath_hal/ah_diagcodes.h>
92 
93 #include <dev/ath/if_ath_debug.h>
94 #include <dev/ath/if_ath_led.h>
95 #include <dev/ath/if_ath_misc.h>
96 #include <dev/ath/if_ath_tx.h>
97 #include <dev/ath/if_ath_sysctl.h>
98 
99 #ifdef ATH_TX99_DIAG
100 #include <dev/ath/ath_tx99/ath_tx99.h>
101 #endif
102 
103 #ifdef	ATH_DEBUG_ALQ
104 #include <dev/ath/if_ath_alq.h>
105 #endif
106 
107 static int
108 ath_sysctl_slottime(SYSCTL_HANDLER_ARGS)
109 {
110 	struct ath_softc *sc = arg1;
111 	u_int slottime;
112 	int error;
113 
114 	ATH_LOCK(sc);
115 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
116 	slottime = ath_hal_getslottime(sc->sc_ah);
117 	ATH_UNLOCK(sc);
118 
119 	error = sysctl_handle_int(oidp, &slottime, 0, req);
120 	if (error || !req->newptr)
121 		goto finish;
122 
123 	error = !ath_hal_setslottime(sc->sc_ah, slottime) ? EINVAL : 0;
124 
125 finish:
126 	ATH_LOCK(sc);
127 	ath_power_restore_power_state(sc);
128 	ATH_UNLOCK(sc);
129 
130 	return error;
131 }
132 
133 static int
134 ath_sysctl_acktimeout(SYSCTL_HANDLER_ARGS)
135 {
136 	struct ath_softc *sc = arg1;
137 	u_int acktimeout;
138 	int error;
139 
140 	ATH_LOCK(sc);
141 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
142 	acktimeout = ath_hal_getacktimeout(sc->sc_ah);
143 	ATH_UNLOCK(sc);
144 
145 	error = sysctl_handle_int(oidp, &acktimeout, 0, req);
146 	if (error || !req->newptr)
147 		goto finish;
148 
149 	error = !ath_hal_setacktimeout(sc->sc_ah, acktimeout) ? EINVAL : 0;
150 
151 finish:
152 	ATH_LOCK(sc);
153 	ath_power_restore_power_state(sc);
154 	ATH_UNLOCK(sc);
155 
156 	return (error);
157 }
158 
159 static int
160 ath_sysctl_ctstimeout(SYSCTL_HANDLER_ARGS)
161 {
162 	struct ath_softc *sc = arg1;
163 	u_int ctstimeout;
164 	int error;
165 
166 	ATH_LOCK(sc);
167 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
168 	ctstimeout = ath_hal_getctstimeout(sc->sc_ah);
169 	ATH_UNLOCK(sc);
170 
171 	error = sysctl_handle_int(oidp, &ctstimeout, 0, req);
172 	if (error || !req->newptr)
173 		goto finish;
174 
175 	error = !ath_hal_setctstimeout(sc->sc_ah, ctstimeout) ? EINVAL : 0;
176 
177 finish:
178 	ATH_LOCK(sc);
179 	ath_power_restore_power_state(sc);
180 	ATH_UNLOCK(sc);
181 
182 	return (error);
183 }
184 
185 static int
186 ath_sysctl_softled(SYSCTL_HANDLER_ARGS)
187 {
188 	struct ath_softc *sc = arg1;
189 	int softled = sc->sc_softled;
190 	int error;
191 
192 	error = sysctl_handle_int(oidp, &softled, 0, req);
193 	if (error || !req->newptr)
194 		return error;
195 	softled = (softled != 0);
196 	if (softled != sc->sc_softled) {
197 		if (softled) {
198 			/* NB: handle any sc_ledpin change */
199 			ath_led_config(sc);
200 		}
201 		sc->sc_softled = softled;
202 	}
203 	return 0;
204 }
205 
206 static int
207 ath_sysctl_ledpin(SYSCTL_HANDLER_ARGS)
208 {
209 	struct ath_softc *sc = arg1;
210 	int ledpin = sc->sc_ledpin;
211 	int error;
212 
213 	error = sysctl_handle_int(oidp, &ledpin, 0, req);
214 	if (error || !req->newptr)
215 		return error;
216 	if (ledpin != sc->sc_ledpin) {
217 		sc->sc_ledpin = ledpin;
218 		if (sc->sc_softled) {
219 			ath_led_config(sc);
220 		}
221 	}
222 	return 0;
223 }
224 
225 static int
226 ath_sysctl_hardled(SYSCTL_HANDLER_ARGS)
227 {
228 	struct ath_softc *sc = arg1;
229 	int hardled = sc->sc_hardled;
230 	int error;
231 
232 	error = sysctl_handle_int(oidp, &hardled, 0, req);
233 	if (error || !req->newptr)
234 		return error;
235 	hardled = (hardled != 0);
236 	if (hardled != sc->sc_hardled) {
237 		if (hardled) {
238 			/* NB: handle any sc_ledpin change */
239 			ath_led_config(sc);
240 		}
241 		sc->sc_hardled = hardled;
242 	}
243 	return 0;
244 }
245 
246 static int
247 ath_sysctl_txantenna(SYSCTL_HANDLER_ARGS)
248 {
249 	struct ath_softc *sc = arg1;
250 	u_int txantenna;
251 	int error;
252 
253 	ATH_LOCK(sc);
254 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
255 	ATH_UNLOCK(sc);
256 
257 	txantenna = ath_hal_getantennaswitch(sc->sc_ah);
258 
259 	error = sysctl_handle_int(oidp, &txantenna, 0, req);
260 	if (!error && req->newptr) {
261 		/* XXX assumes 2 antenna ports */
262 		if (txantenna < HAL_ANT_VARIABLE || txantenna > HAL_ANT_FIXED_B) {
263 			error = EINVAL;
264 			goto finish;
265 		}
266 		ath_hal_setantennaswitch(sc->sc_ah, txantenna);
267 		/*
268 		 * NB: with the switch locked this isn't meaningful,
269 		 *     but set it anyway so things like radiotap get
270 		 *     consistent info in their data.
271 		 */
272 		sc->sc_txantenna = txantenna;
273 	}
274 
275 finish:
276 	ATH_LOCK(sc);
277 	ath_power_restore_power_state(sc);
278 	ATH_UNLOCK(sc);
279 
280 	return (error);
281 }
282 
283 static int
284 ath_sysctl_rxantenna(SYSCTL_HANDLER_ARGS)
285 {
286 	struct ath_softc *sc = arg1;
287 	u_int defantenna;
288 	int error;
289 
290 	ATH_LOCK(sc);
291 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
292 	defantenna = ath_hal_getdefantenna(sc->sc_ah);
293 	ATH_UNLOCK(sc);
294 
295 	error = sysctl_handle_int(oidp, &defantenna, 0, req);
296 	if (!error && req->newptr)
297 		ath_hal_setdefantenna(sc->sc_ah, defantenna);
298 
299 	ATH_LOCK(sc);
300 	ath_power_restore_power_state(sc);
301 	ATH_UNLOCK(sc);
302 
303 	return (error);
304 }
305 
306 static int
307 ath_sysctl_diversity(SYSCTL_HANDLER_ARGS)
308 {
309 	struct ath_softc *sc = arg1;
310 	u_int diversity;
311 	int error;
312 
313 	ATH_LOCK(sc);
314 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
315 	ATH_UNLOCK(sc);
316 
317 	diversity = ath_hal_getdiversity(sc->sc_ah);
318 
319 	error = sysctl_handle_int(oidp, &diversity, 0, req);
320 	if (error || !req->newptr)
321 		goto finish;
322 	if (!ath_hal_setdiversity(sc->sc_ah, diversity)) {
323 		error = EINVAL;
324 		goto finish;
325 	}
326 	sc->sc_diversity = diversity;
327 	error = 0;
328 
329 finish:
330 	ATH_LOCK(sc);
331 	ath_power_restore_power_state(sc);
332 	ATH_UNLOCK(sc);
333 
334 	return (error);
335 }
336 
337 static int
338 ath_sysctl_diag(SYSCTL_HANDLER_ARGS)
339 {
340 	struct ath_softc *sc = arg1;
341 	u_int32_t diag;
342 	int error;
343 
344 	ATH_LOCK(sc);
345 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
346 	ATH_UNLOCK(sc);
347 
348 	if (!ath_hal_getdiag(sc->sc_ah, &diag)) {
349 		error = EINVAL;
350 		goto finish;
351 	}
352 
353 	error = sysctl_handle_int(oidp, &diag, 0, req);
354 	if (error || !req->newptr)
355 		goto finish;
356 	error = !ath_hal_setdiag(sc->sc_ah, diag) ? EINVAL : 0;
357 
358 finish:
359 	ATH_LOCK(sc);
360 	ath_power_restore_power_state(sc);
361 	ATH_UNLOCK(sc);
362 
363 	return (error);
364 }
365 
366 static int
367 ath_sysctl_tpscale(SYSCTL_HANDLER_ARGS)
368 {
369 	struct ath_softc *sc = arg1;
370 	u_int32_t scale;
371 	int error;
372 
373 	ATH_LOCK(sc);
374 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
375 	ATH_UNLOCK(sc);
376 
377 	(void) ath_hal_gettpscale(sc->sc_ah, &scale);
378 	error = sysctl_handle_int(oidp, &scale, 0, req);
379 	if (error || !req->newptr)
380 		goto finish;
381 
382 	error = !ath_hal_settpscale(sc->sc_ah, scale) ? EINVAL :
383 	    (sc->sc_running) ? ath_reset(sc, ATH_RESET_NOLOSS,
384 	    HAL_RESET_NORMAL) : 0;
385 
386 finish:
387 	ATH_LOCK(sc);
388 	ath_power_restore_power_state(sc);
389 	ATH_UNLOCK(sc);
390 
391 	return (error);
392 }
393 
394 static int
395 ath_sysctl_tpc(SYSCTL_HANDLER_ARGS)
396 {
397 	struct ath_softc *sc = arg1;
398 	u_int tpc;
399 	int error;
400 
401 	ATH_LOCK(sc);
402 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
403 	ATH_UNLOCK(sc);
404 
405 	tpc = ath_hal_gettpc(sc->sc_ah);
406 
407 	error = sysctl_handle_int(oidp, &tpc, 0, req);
408 	if (error || !req->newptr)
409 		goto finish;
410 	error = !ath_hal_settpc(sc->sc_ah, tpc) ? EINVAL : 0;
411 
412 finish:
413 	ATH_LOCK(sc);
414 	ath_power_restore_power_state(sc);
415 	ATH_UNLOCK(sc);
416 
417 	return (error);
418 }
419 
420 static int
421 ath_sysctl_rfkill(SYSCTL_HANDLER_ARGS)
422 {
423 	struct ath_softc *sc = arg1;
424 	struct ath_hal *ah = sc->sc_ah;
425 	u_int rfkill;
426 	int error;
427 
428 	ATH_LOCK(sc);
429 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
430 	ATH_UNLOCK(sc);
431 
432 	rfkill = ath_hal_getrfkill(ah);
433 
434 	error = sysctl_handle_int(oidp, &rfkill, 0, req);
435 	if (error || !req->newptr)
436 		goto finish;
437 	if (rfkill == ath_hal_getrfkill(ah)) {	/* unchanged */
438 		error = 0;
439 		goto finish;
440 	}
441 	if (!ath_hal_setrfkill(ah, rfkill)) {
442 		error = EINVAL;
443 		goto finish;
444 	}
445 	error = sc->sc_running ? ath_reset(sc, ATH_RESET_FULL,
446 	    HAL_RESET_NORMAL) : 0;
447 
448 finish:
449 	ATH_LOCK(sc);
450 	ath_power_restore_power_state(sc);
451 	ATH_UNLOCK(sc);
452 
453 	return (error);
454 }
455 
456 static int
457 ath_sysctl_txagg(SYSCTL_HANDLER_ARGS)
458 {
459 	struct ath_softc *sc = arg1;
460 	int i, t, param = 0;
461 	int error;
462 	struct ath_buf *bf;
463 
464 	error = sysctl_handle_int(oidp, &param, 0, req);
465 	if (error || !req->newptr)
466 		return error;
467 
468 	if (param != 1)
469 		return 0;
470 
471 	printf("no tx bufs (empty list): %d\n", sc->sc_stats.ast_tx_getnobuf);
472 	printf("no tx bufs (was busy): %d\n", sc->sc_stats.ast_tx_getbusybuf);
473 
474 	printf("aggr single packet: %d\n",
475 	    sc->sc_aggr_stats.aggr_single_pkt);
476 	printf("aggr single packet w/ BAW closed: %d\n",
477 	    sc->sc_aggr_stats.aggr_baw_closed_single_pkt);
478 	printf("aggr non-baw packet: %d\n",
479 	    sc->sc_aggr_stats.aggr_nonbaw_pkt);
480 	printf("aggr aggregate packet: %d\n",
481 	    sc->sc_aggr_stats.aggr_aggr_pkt);
482 	printf("aggr single packet low hwq: %d\n",
483 	    sc->sc_aggr_stats.aggr_low_hwq_single_pkt);
484 	printf("aggr single packet RTS aggr limited: %d\n",
485 	    sc->sc_aggr_stats.aggr_rts_aggr_limited);
486 	printf("aggr sched, no work: %d\n",
487 	    sc->sc_aggr_stats.aggr_sched_nopkt);
488 	for (i = 0; i < 64; i++) {
489 		printf("%2d: %10d ", i, sc->sc_aggr_stats.aggr_pkts[i]);
490 		if (i % 4 == 3)
491 			printf("\n");
492 	}
493 	printf("\n");
494 
495 	for (i = 0; i < HAL_NUM_TX_QUEUES; i++) {
496 		if (ATH_TXQ_SETUP(sc, i)) {
497 			printf("HW TXQ %d: axq_depth=%d, axq_aggr_depth=%d, "
498 			    "axq_fifo_depth=%d, holdingbf=%p\n",
499 			    i,
500 			    sc->sc_txq[i].axq_depth,
501 			    sc->sc_txq[i].axq_aggr_depth,
502 			    sc->sc_txq[i].axq_fifo_depth,
503 			    sc->sc_txq[i].axq_holdingbf);
504 		}
505 	}
506 
507 	i = t = 0;
508 	ATH_TXBUF_LOCK(sc);
509 	TAILQ_FOREACH(bf, &sc->sc_txbuf, bf_list) {
510 		if (bf->bf_flags & ATH_BUF_BUSY) {
511 			printf("Busy: %d\n", t);
512 			i++;
513 		}
514 		t++;
515 	}
516 	ATH_TXBUF_UNLOCK(sc);
517 	printf("Total TX buffers: %d; Total TX buffers busy: %d (%d)\n",
518 	    t, i, sc->sc_txbuf_cnt);
519 
520 	i = t = 0;
521 	ATH_TXBUF_LOCK(sc);
522 	TAILQ_FOREACH(bf, &sc->sc_txbuf_mgmt, bf_list) {
523 		if (bf->bf_flags & ATH_BUF_BUSY) {
524 			printf("Busy: %d\n", t);
525 			i++;
526 		}
527 		t++;
528 	}
529 	ATH_TXBUF_UNLOCK(sc);
530 	printf("Total mgmt TX buffers: %d; Total mgmt TX buffers busy: %d\n",
531 	    t, i);
532 
533 	ATH_RX_LOCK(sc);
534 	for (i = 0; i < 2; i++) {
535 		printf("%d: fifolen: %d/%d; head=%d; tail=%d; m_pending=%p, m_holdbf=%p\n",
536 		    i,
537 		    sc->sc_rxedma[i].m_fifo_depth,
538 		    sc->sc_rxedma[i].m_fifolen,
539 		    sc->sc_rxedma[i].m_fifo_head,
540 		    sc->sc_rxedma[i].m_fifo_tail,
541 		    sc->sc_rxedma[i].m_rxpending,
542 		    sc->sc_rxedma[i].m_holdbf);
543 	}
544 	i = 0;
545 	TAILQ_FOREACH(bf, &sc->sc_rxbuf, bf_list) {
546 		i++;
547 	}
548 	printf("Total RX buffers in free list: %d buffers\n",
549 	    i);
550 	ATH_RX_UNLOCK(sc);
551 
552 	return 0;
553 }
554 
555 static int
556 ath_sysctl_rfsilent(SYSCTL_HANDLER_ARGS)
557 {
558 	struct ath_softc *sc = arg1;
559 	u_int rfsilent;
560 	int error;
561 
562 	ATH_LOCK(sc);
563 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
564 	ATH_UNLOCK(sc);
565 
566 	(void) ath_hal_getrfsilent(sc->sc_ah, &rfsilent);
567 	error = sysctl_handle_int(oidp, &rfsilent, 0, req);
568 	if (error || !req->newptr)
569 		goto finish;
570 	if (!ath_hal_setrfsilent(sc->sc_ah, rfsilent)) {
571 		error = EINVAL;
572 		goto finish;
573 	}
574 	/*
575 	 * Earlier chips (< AR5212) have up to 8 GPIO
576 	 * pins exposed.
577 	 *
578 	 * AR5416 and later chips have many more GPIO
579 	 * pins (up to 16) so the mask is expanded to
580 	 * four bits.
581 	 */
582 	sc->sc_rfsilentpin = rfsilent & 0x3c;
583 	sc->sc_rfsilentpol = (rfsilent & 0x2) != 0;
584 	error = 0;
585 
586 finish:
587 	ATH_LOCK(sc);
588 	ath_power_restore_power_state(sc);
589 	ATH_UNLOCK(sc);
590 
591 	return (error);
592 }
593 
594 static int
595 ath_sysctl_tpack(SYSCTL_HANDLER_ARGS)
596 {
597 	struct ath_softc *sc = arg1;
598 	u_int32_t tpack;
599 	int error;
600 
601 	ATH_LOCK(sc);
602 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
603 	ATH_UNLOCK(sc);
604 
605 	(void) ath_hal_gettpack(sc->sc_ah, &tpack);
606 	error = sysctl_handle_int(oidp, &tpack, 0, req);
607 	if (error || !req->newptr)
608 		goto finish;
609 	error = !ath_hal_settpack(sc->sc_ah, tpack) ? EINVAL : 0;
610 
611 finish:
612 	ATH_LOCK(sc);
613 	ath_power_restore_power_state(sc);
614 	ATH_UNLOCK(sc);
615 
616 	return (error);
617 }
618 
619 static int
620 ath_sysctl_tpcts(SYSCTL_HANDLER_ARGS)
621 {
622 	struct ath_softc *sc = arg1;
623 	u_int32_t tpcts;
624 	int error;
625 
626 	ATH_LOCK(sc);
627 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
628 	ATH_UNLOCK(sc);
629 
630 	(void) ath_hal_gettpcts(sc->sc_ah, &tpcts);
631 	error = sysctl_handle_int(oidp, &tpcts, 0, req);
632 	if (error || !req->newptr)
633 		goto finish;
634 
635 	error = !ath_hal_settpcts(sc->sc_ah, tpcts) ? EINVAL : 0;
636 
637 finish:
638 	ATH_LOCK(sc);
639 	ath_power_restore_power_state(sc);
640 	ATH_UNLOCK(sc);
641 
642 	return (error);
643 }
644 
645 static int
646 ath_sysctl_intmit(SYSCTL_HANDLER_ARGS)
647 {
648 	struct ath_softc *sc = arg1;
649 	int intmit, error;
650 
651 	ATH_LOCK(sc);
652 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
653 	ATH_UNLOCK(sc);
654 
655 	intmit = ath_hal_getintmit(sc->sc_ah);
656 	error = sysctl_handle_int(oidp, &intmit, 0, req);
657 	if (error || !req->newptr)
658 		goto finish;
659 
660 	/* reusing error; 1 here means "good"; 0 means "fail" */
661 	error = ath_hal_setintmit(sc->sc_ah, intmit);
662 	if (! error) {
663 		error = EINVAL;
664 		goto finish;
665 	}
666 
667 	/*
668 	 * Reset the hardware here - disabling ANI in the HAL
669 	 * doesn't reset ANI related registers, so it'll leave
670 	 * things in an inconsistent state.
671 	 */
672 	if (sc->sc_running)
673 		ath_reset(sc, ATH_RESET_NOLOSS, HAL_RESET_NORMAL);
674 
675 	error = 0;
676 
677 finish:
678 	ATH_LOCK(sc);
679 	ath_power_restore_power_state(sc);
680 	ATH_UNLOCK(sc);
681 
682 	return (error);
683 }
684 
685 #ifdef IEEE80211_SUPPORT_TDMA
686 static int
687 ath_sysctl_setcca(SYSCTL_HANDLER_ARGS)
688 {
689 	struct ath_softc *sc = arg1;
690 	int setcca, error;
691 
692 	setcca = sc->sc_setcca;
693 	error = sysctl_handle_int(oidp, &setcca, 0, req);
694 	if (error || !req->newptr)
695 		return error;
696 	sc->sc_setcca = (setcca != 0);
697 	return 0;
698 }
699 #endif /* IEEE80211_SUPPORT_TDMA */
700 
701 static int
702 ath_sysctl_forcebstuck(SYSCTL_HANDLER_ARGS)
703 {
704 	struct ath_softc *sc = arg1;
705 	int val = 0;
706 	int error;
707 
708 	error = sysctl_handle_int(oidp, &val, 0, req);
709 	if (error || !req->newptr)
710 		return error;
711 	if (val == 0)
712 		return 0;
713 
714 	taskqueue_enqueue(sc->sc_tq, &sc->sc_bstucktask);
715 	val = 0;
716 	return 0;
717 }
718 
719 static int
720 ath_sysctl_hangcheck(SYSCTL_HANDLER_ARGS)
721 {
722 	struct ath_softc *sc = arg1;
723 	int val = 0;
724 	int error;
725 	uint32_t mask = 0xffffffff;
726 	uint32_t *sp;
727 	uint32_t rsize;
728 	struct ath_hal *ah = sc->sc_ah;
729 
730 	error = sysctl_handle_int(oidp, &val, 0, req);
731 	if (error || !req->newptr)
732 		return error;
733 	if (val == 0)
734 		return 0;
735 
736 	ATH_LOCK(sc);
737 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
738 	ATH_UNLOCK(sc);
739 
740 	/* Do a hang check */
741 	if (!ath_hal_getdiagstate(ah, HAL_DIAG_CHECK_HANGS,
742 	    &mask, sizeof(mask),
743 	    (void *) &sp, &rsize)) {
744 		error = 0;
745 		goto finish;
746 	}
747 
748 	device_printf(sc->sc_dev, "%s: sp=0x%08x\n", __func__, *sp);
749 
750 	val = 0;
751 	error = 0;
752 finish:
753 	ATH_LOCK(sc);
754 	ath_power_restore_power_state(sc);
755 	ATH_UNLOCK(sc);
756 
757 	return (error);
758 }
759 
760 #ifdef ATH_DEBUG_ALQ
761 static int
762 ath_sysctl_alq_log(SYSCTL_HANDLER_ARGS)
763 {
764 	struct ath_softc *sc = arg1;
765 	int error, enable;
766 
767 	enable = (sc->sc_alq.sc_alq_isactive);
768 
769 	error = sysctl_handle_int(oidp, &enable, 0, req);
770 	if (error || !req->newptr)
771 		return (error);
772 	else if (enable)
773 		error = if_ath_alq_start(&sc->sc_alq);
774 	else
775 		error = if_ath_alq_stop(&sc->sc_alq);
776 	return (error);
777 }
778 
779 /*
780  * Attach the ALQ debugging if required.
781  */
782 static void
783 ath_sysctl_alq_attach(struct ath_softc *sc)
784 {
785 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
786 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
787 	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
788 
789 	tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "alq",
790 	    CTLFLAG_RD | CTLFLAG_MPSAFE, NULL,
791 	    "Atheros ALQ logging parameters");
792 	child = SYSCTL_CHILDREN(tree);
793 
794 	SYSCTL_ADD_STRING(ctx, child, OID_AUTO, "filename",
795 	    CTLFLAG_RW, sc->sc_alq.sc_alq_filename, 0, "ALQ filename");
796 
797 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
798 	    "enable", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc, 0,
799 	    ath_sysctl_alq_log, "I", "");
800 
801 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
802 		"debugmask", CTLFLAG_RW, &sc->sc_alq.sc_alq_debug, 0,
803 		"ALQ debug mask");
804 
805 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
806 		"numlost", CTLFLAG_RW, &sc->sc_alq.sc_alq_numlost, 0,
807 		"number lost");
808 }
809 #endif /* ATH_DEBUG_ALQ */
810 
811 void
812 ath_sysctlattach(struct ath_softc *sc)
813 {
814 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
815 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
816 	struct ath_hal *ah = sc->sc_ah;
817 
818 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
819 		"countrycode", CTLFLAG_RD, &sc->sc_eecc, 0,
820 		"EEPROM country code");
821 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
822 		"regdomain", CTLFLAG_RD, &sc->sc_eerd, 0,
823 		"EEPROM regdomain code");
824 #ifdef	ATH_DEBUG
825 	SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
826 		"debug", CTLFLAG_RW, &sc->sc_debug,
827 		"control debugging printfs");
828 #endif
829 #ifdef	ATH_DEBUG_ALQ
830 	SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
831 		"ktrdebug", CTLFLAG_RW, &sc->sc_ktrdebug,
832 		"control debugging KTR");
833 #endif /* ATH_DEBUG_ALQ */
834 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
835 	    "slottime", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc, 0,
836 	    ath_sysctl_slottime, "I", "802.11 slot time (us)");
837 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
838 	    "acktimeout", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc, 0,
839 	    ath_sysctl_acktimeout, "I", "802.11 ACK timeout (us)");
840 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
841 	    "ctstimeout", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc, 0,
842 	    ath_sysctl_ctstimeout, "I", "802.11 CTS timeout (us)");
843 
844 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
845 	    "softled", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc, 0,
846 	    ath_sysctl_softled, "I", "enable/disable software LED support");
847 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
848 	    "ledpin", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc, 0,
849 	    ath_sysctl_ledpin, "I", "GPIO pin connected to LED");
850 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
851 		"ledon", CTLFLAG_RW, &sc->sc_ledon, 0,
852 		"setting to turn LED on");
853 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
854 		"ledidle", CTLFLAG_RW, &sc->sc_ledidle, 0,
855 		"idle time for inactivity LED (ticks)");
856 
857 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
858 	    "hardled", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc, 0,
859 	    ath_sysctl_hardled, "I", "enable/disable hardware LED support");
860 	/* XXX Laziness - configure pins, then flip hardled off/on */
861 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
862 		"led_net_pin", CTLFLAG_RW, &sc->sc_led_net_pin, 0,
863 		"MAC Network LED pin, or -1 to disable");
864 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
865 		"led_pwr_pin", CTLFLAG_RW, &sc->sc_led_pwr_pin, 0,
866 		"MAC Power LED pin, or -1 to disable");
867 
868 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
869 	    "txantenna", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc, 0,
870 	    ath_sysctl_txantenna, "I", "antenna switch");
871 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
872 	    "rxantenna", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc, 0,
873 	    ath_sysctl_rxantenna, "I", "default/rx antenna");
874 	if (ath_hal_hasdiversity(ah))
875 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
876 		    "diversity", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
877 		    sc, 0, ath_sysctl_diversity, "I", "antenna diversity");
878 	sc->sc_txintrperiod = ATH_TXINTR_PERIOD;
879 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
880 		"txintrperiod", CTLFLAG_RW, &sc->sc_txintrperiod, 0,
881 		"tx descriptor batching");
882 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
883 	    "diag", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc, 0,
884 	    ath_sysctl_diag, "I", "h/w diagnostic control");
885 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
886 	    "tpscale", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc, 0,
887 	    ath_sysctl_tpscale, "I", "tx power scaling");
888 	if (ath_hal_hastpc(ah)) {
889 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
890 		    "tpc", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc, 0,
891 		    ath_sysctl_tpc, "I", "enable/disable per-packet TPC");
892 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
893 		    "tpack", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc,
894 		    0, ath_sysctl_tpack, "I", "tx power for ack frames");
895 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
896 		    "tpcts", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc,
897 		    0, ath_sysctl_tpcts, "I", "tx power for cts frames");
898 	}
899 	if (ath_hal_hasrfsilent(ah)) {
900 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
901 		    "rfsilent", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
902 		    sc, 0, ath_sysctl_rfsilent, "I", "h/w RF silent config");
903 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
904 		    "rfkill", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc,
905 		    0, ath_sysctl_rfkill, "I", "enable/disable RF kill switch");
906 	}
907 
908 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
909 	    "txagg", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc, 0,
910 	    ath_sysctl_txagg, "I", "");
911 
912 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
913 	    "forcebstuck", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc,
914 	    0, ath_sysctl_forcebstuck, "I", "");
915 
916 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
917 	    "hangcheck", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc, 0,
918 	    ath_sysctl_hangcheck, "I", "");
919 
920 	if (ath_hal_hasintmit(ah)) {
921 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
922 		    "intmit", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc,
923 		    0, ath_sysctl_intmit, "I", "interference mitigation");
924 	}
925 	sc->sc_monpass = HAL_RXERR_DECRYPT | HAL_RXERR_MIC;
926 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
927 		"monpass", CTLFLAG_RW, &sc->sc_monpass, 0,
928 		"mask of error frames to pass when monitoring");
929 
930 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
931 		"hwq_limit_nonaggr", CTLFLAG_RW, &sc->sc_hwq_limit_nonaggr, 0,
932 		"Hardware non-AMPDU queue depth before software-queuing TX frames");
933 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
934 		"hwq_limit_aggr", CTLFLAG_RW, &sc->sc_hwq_limit_aggr, 0,
935 		"Hardware AMPDU queue depth before software-queuing TX frames");
936 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
937 		"tid_hwq_lo", CTLFLAG_RW, &sc->sc_tid_hwq_lo, 0,
938 		"");
939 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
940 		"tid_hwq_hi", CTLFLAG_RW, &sc->sc_tid_hwq_hi, 0,
941 		"");
942 
943 	/* Aggregate length twiddles */
944 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
945 		"aggr_limit", CTLFLAG_RW, &sc->sc_aggr_limit, 0,
946 		"Maximum A-MPDU size, or 0 for 'default'");
947 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
948 		"rts_aggr_limit", CTLFLAG_RW, &sc->sc_rts_aggr_limit, 0,
949 		"Maximum A-MPDU size for RTS-protected frames, or '0' "
950 		"for default");
951 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
952 		"delim_min_pad", CTLFLAG_RW, &sc->sc_delim_min_pad, 0,
953 		"Enforce a minimum number of delimiters per A-MPDU "
954 		" sub-frame");
955 
956 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
957 		"txq_data_minfree", CTLFLAG_RW, &sc->sc_txq_data_minfree,
958 		0, "Minimum free buffers before adding a data frame"
959 		" to the TX queue");
960 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
961 		"txq_mcastq_maxdepth", CTLFLAG_RW,
962 		&sc->sc_txq_mcastq_maxdepth, 0,
963 		"Maximum buffer depth for multicast/broadcast frames");
964 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
965 		"txq_node_maxdepth", CTLFLAG_RW,
966 		&sc->sc_txq_node_maxdepth, 0,
967 		"Maximum buffer depth for a single node");
968 
969 #if 0
970 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
971 		"cabq_enable", CTLFLAG_RW,
972 		&sc->sc_cabq_enable, 0,
973 		"Whether to transmit on the CABQ or not");
974 #endif
975 
976 #ifdef IEEE80211_SUPPORT_TDMA
977 	if (ath_hal_macversion(ah) > 0x78) {
978 		sc->sc_tdmadbaprep = 2;
979 		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
980 			"dbaprep", CTLFLAG_RW, &sc->sc_tdmadbaprep, 0,
981 			"TDMA DBA preparation time");
982 		sc->sc_tdmaswbaprep = 10;
983 		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
984 			"swbaprep", CTLFLAG_RW, &sc->sc_tdmaswbaprep, 0,
985 			"TDMA SWBA preparation time");
986 		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
987 			"guardtime", CTLFLAG_RW, &sc->sc_tdmaguard, 0,
988 			"TDMA slot guard time");
989 		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
990 			"superframe", CTLFLAG_RD, &sc->sc_tdmabintval, 0,
991 			"TDMA calculated super frame");
992 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
993 		    "setcca", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
994 		    sc, 0, ath_sysctl_setcca, "I", "enable CCA control");
995 	}
996 #endif
997 
998 #ifdef	ATH_DEBUG_ALQ
999 	ath_sysctl_alq_attach(sc);
1000 #endif
1001 }
1002 
1003 static int
1004 ath_sysctl_clearstats(SYSCTL_HANDLER_ARGS)
1005 {
1006 	struct ath_softc *sc = arg1;
1007 	int val = 0;
1008 	int error;
1009 
1010 	error = sysctl_handle_int(oidp, &val, 0, req);
1011 	if (error || !req->newptr)
1012 		return error;
1013 	if (val == 0)
1014 		return 0;       /* Not clearing the stats is still valid */
1015 	memset(&sc->sc_stats, 0, sizeof(sc->sc_stats));
1016 	memset(&sc->sc_aggr_stats, 0, sizeof(sc->sc_aggr_stats));
1017 	memset(&sc->sc_intr_stats, 0, sizeof(sc->sc_intr_stats));
1018 
1019 	val = 0;
1020 	return 0;
1021 }
1022 
1023 static void
1024 ath_sysctl_stats_attach_rxphyerr(struct ath_softc *sc, struct sysctl_oid_list *parent)
1025 {
1026 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
1027 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
1028 	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
1029 	int i;
1030 	char sn[8];
1031 
1032 	tree = SYSCTL_ADD_NODE(ctx, parent, OID_AUTO, "rx_phy_err",
1033 	    CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Per-code RX PHY Errors");
1034 	child = SYSCTL_CHILDREN(tree);
1035 	for (i = 0; i < 64; i++) {
1036 		snprintf(sn, sizeof(sn), "%d", i);
1037 		SYSCTL_ADD_UINT(ctx, child, OID_AUTO, sn, CTLFLAG_RD, &sc->sc_stats.ast_rx_phy[i], 0, "");
1038 	}
1039 }
1040 
1041 static void
1042 ath_sysctl_stats_attach_intr(struct ath_softc *sc,
1043     struct sysctl_oid_list *parent)
1044 {
1045 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
1046 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
1047 	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
1048 	int i;
1049 	char sn[8];
1050 
1051 	tree = SYSCTL_ADD_NODE(ctx, parent, OID_AUTO, "sync_intr",
1052 	    CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Sync interrupt statistics");
1053 	child = SYSCTL_CHILDREN(tree);
1054 	for (i = 0; i < 32; i++) {
1055 		snprintf(sn, sizeof(sn), "%d", i);
1056 		SYSCTL_ADD_UINT(ctx, child, OID_AUTO, sn, CTLFLAG_RD,
1057 		    &sc->sc_intr_stats.sync_intr[i], 0, "");
1058 	}
1059 }
1060 
1061 void
1062 ath_sysctl_stats_attach(struct ath_softc *sc)
1063 {
1064 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
1065 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
1066 	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
1067 
1068 	/* Create "clear" node */
1069 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1070 	    "clear_stats", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, sc,
1071 	    0, ath_sysctl_clearstats, "I", "clear stats");
1072 
1073 	/* Create stats node */
1074 	tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats",
1075 	    CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Statistics");
1076 	child = SYSCTL_CHILDREN(tree);
1077 
1078 	/* This was generated from if_athioctl.h */
1079 
1080 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_watchdog", CTLFLAG_RD,
1081 	    &sc->sc_stats.ast_watchdog, 0, "device reset by watchdog");
1082 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_hardware", CTLFLAG_RD,
1083 	    &sc->sc_stats.ast_hardware, 0, "fatal hardware error interrupts");
1084 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bmiss", CTLFLAG_RD,
1085 	    &sc->sc_stats.ast_bmiss, 0, "beacon miss interrupts");
1086 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bmiss_phantom", CTLFLAG_RD,
1087 	    &sc->sc_stats.ast_bmiss_phantom, 0, "beacon miss interrupts");
1088 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bstuck", CTLFLAG_RD,
1089 	    &sc->sc_stats.ast_bstuck, 0, "beacon stuck interrupts");
1090 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rxorn", CTLFLAG_RD,
1091 	    &sc->sc_stats.ast_rxorn, 0, "rx overrun interrupts");
1092 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rxeol", CTLFLAG_RD,
1093 	    &sc->sc_stats.ast_rxeol, 0, "rx eol interrupts");
1094 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_txurn", CTLFLAG_RD,
1095 	    &sc->sc_stats.ast_txurn, 0, "tx underrun interrupts");
1096 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_mib", CTLFLAG_RD,
1097 	    &sc->sc_stats.ast_mib, 0, "mib interrupts");
1098 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_intrcoal", CTLFLAG_RD,
1099 	    &sc->sc_stats.ast_intrcoal, 0, "interrupts coalesced");
1100 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_packets", CTLFLAG_RD,
1101 	    &sc->sc_stats.ast_tx_packets, 0, "packet sent on the interface");
1102 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_mgmt", CTLFLAG_RD,
1103 	    &sc->sc_stats.ast_tx_mgmt, 0, "management frames transmitted");
1104 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_discard", CTLFLAG_RD,
1105 	    &sc->sc_stats.ast_tx_discard, 0, "frames discarded prior to assoc");
1106 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_qstop", CTLFLAG_RD,
1107 	    &sc->sc_stats.ast_tx_qstop, 0, "output stopped 'cuz no buffer");
1108 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_encap", CTLFLAG_RD,
1109 	    &sc->sc_stats.ast_tx_encap, 0, "tx encapsulation failed");
1110 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nonode", CTLFLAG_RD,
1111 	    &sc->sc_stats.ast_tx_nonode, 0, "tx failed 'cuz no node");
1112 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nombuf", CTLFLAG_RD,
1113 	    &sc->sc_stats.ast_tx_nombuf, 0, "tx failed 'cuz no mbuf");
1114 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nomcl", CTLFLAG_RD,
1115 	    &sc->sc_stats.ast_tx_nomcl, 0, "tx failed 'cuz no cluster");
1116 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_linear", CTLFLAG_RD,
1117 	    &sc->sc_stats.ast_tx_linear, 0, "tx linearized to cluster");
1118 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nodata", CTLFLAG_RD,
1119 	    &sc->sc_stats.ast_tx_nodata, 0, "tx discarded empty frame");
1120 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_busdma", CTLFLAG_RD,
1121 	    &sc->sc_stats.ast_tx_busdma, 0, "tx failed for dma resrcs");
1122 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_xretries", CTLFLAG_RD,
1123 	    &sc->sc_stats.ast_tx_xretries, 0, "tx failed 'cuz too many retries");
1124 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_fifoerr", CTLFLAG_RD,
1125 	    &sc->sc_stats.ast_tx_fifoerr, 0, "tx failed 'cuz FIFO underrun");
1126 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_filtered", CTLFLAG_RD,
1127 	    &sc->sc_stats.ast_tx_filtered, 0, "tx failed 'cuz xmit filtered");
1128 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_shortretry", CTLFLAG_RD,
1129 	    &sc->sc_stats.ast_tx_shortretry, 0, "tx on-chip retries (short)");
1130 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_longretry", CTLFLAG_RD,
1131 	    &sc->sc_stats.ast_tx_longretry, 0, "tx on-chip retries (long)");
1132 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_badrate", CTLFLAG_RD,
1133 	    &sc->sc_stats.ast_tx_badrate, 0, "tx failed 'cuz bogus xmit rate");
1134 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_noack", CTLFLAG_RD,
1135 	    &sc->sc_stats.ast_tx_noack, 0, "tx frames with no ack marked");
1136 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_rts", CTLFLAG_RD,
1137 	    &sc->sc_stats.ast_tx_rts, 0, "tx frames with rts enabled");
1138 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_cts", CTLFLAG_RD,
1139 	    &sc->sc_stats.ast_tx_cts, 0, "tx frames with cts enabled");
1140 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_shortpre", CTLFLAG_RD,
1141 	    &sc->sc_stats.ast_tx_shortpre, 0, "tx frames with short preamble");
1142 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_altrate", CTLFLAG_RD,
1143 	    &sc->sc_stats.ast_tx_altrate, 0, "tx frames with alternate rate");
1144 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_protect", CTLFLAG_RD,
1145 	    &sc->sc_stats.ast_tx_protect, 0, "tx frames with protection");
1146 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_ctsburst", CTLFLAG_RD,
1147 	    &sc->sc_stats.ast_tx_ctsburst, 0, "tx frames with cts and bursting");
1148 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_ctsext", CTLFLAG_RD,
1149 	    &sc->sc_stats.ast_tx_ctsext, 0, "tx frames with cts extension");
1150 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_nombuf", CTLFLAG_RD,
1151 	    &sc->sc_stats.ast_rx_nombuf, 0, "rx setup failed 'cuz no mbuf");
1152 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_busdma", CTLFLAG_RD,
1153 	    &sc->sc_stats.ast_rx_busdma, 0, "rx setup failed for dma resrcs");
1154 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_orn", CTLFLAG_RD,
1155 	    &sc->sc_stats.ast_rx_orn, 0, "rx failed 'cuz of desc overrun");
1156 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_crcerr", CTLFLAG_RD,
1157 	    &sc->sc_stats.ast_rx_crcerr, 0, "rx failed 'cuz of bad CRC");
1158 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_fifoerr", CTLFLAG_RD,
1159 	    &sc->sc_stats.ast_rx_fifoerr, 0, "rx failed 'cuz of FIFO overrun");
1160 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_badcrypt", CTLFLAG_RD,
1161 	    &sc->sc_stats.ast_rx_badcrypt, 0, "rx failed 'cuz decryption");
1162 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_badmic", CTLFLAG_RD,
1163 	    &sc->sc_stats.ast_rx_badmic, 0, "rx failed 'cuz MIC failure");
1164 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_phyerr", CTLFLAG_RD,
1165 	    &sc->sc_stats.ast_rx_phyerr, 0, "rx failed 'cuz of PHY err");
1166 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_tooshort", CTLFLAG_RD,
1167 	    &sc->sc_stats.ast_rx_tooshort, 0, "rx discarded 'cuz frame too short");
1168 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_toobig", CTLFLAG_RD,
1169 	    &sc->sc_stats.ast_rx_toobig, 0, "rx discarded 'cuz frame too large");
1170 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_packets", CTLFLAG_RD,
1171 	    &sc->sc_stats.ast_rx_packets, 0, "packet recv on the interface");
1172 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_mgt", CTLFLAG_RD,
1173 	    &sc->sc_stats.ast_rx_mgt, 0, "management frames received");
1174 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_ctl", CTLFLAG_RD,
1175 	    &sc->sc_stats.ast_rx_ctl, 0, "rx discarded 'cuz ctl frame");
1176 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_xmit", CTLFLAG_RD,
1177 	    &sc->sc_stats.ast_be_xmit, 0, "beacons transmitted");
1178 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_nombuf", CTLFLAG_RD,
1179 	    &sc->sc_stats.ast_be_nombuf, 0, "beacon setup failed 'cuz no mbuf");
1180 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_cal", CTLFLAG_RD,
1181 	    &sc->sc_stats.ast_per_cal, 0, "periodic calibration calls");
1182 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_calfail", CTLFLAG_RD,
1183 	    &sc->sc_stats.ast_per_calfail, 0, "periodic calibration failed");
1184 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_rfgain", CTLFLAG_RD,
1185 	    &sc->sc_stats.ast_per_rfgain, 0, "periodic calibration rfgain reset");
1186 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_calls", CTLFLAG_RD,
1187 	    &sc->sc_stats.ast_rate_calls, 0, "rate control checks");
1188 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_raise", CTLFLAG_RD,
1189 	    &sc->sc_stats.ast_rate_raise, 0, "rate control raised xmit rate");
1190 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_drop", CTLFLAG_RD,
1191 	    &sc->sc_stats.ast_rate_drop, 0, "rate control dropped xmit rate");
1192 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ant_defswitch", CTLFLAG_RD,
1193 	    &sc->sc_stats.ast_ant_defswitch, 0, "rx/default antenna switches");
1194 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ant_txswitch", CTLFLAG_RD,
1195 	    &sc->sc_stats.ast_ant_txswitch, 0, "tx antenna switches");
1196 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_cabq_xmit", CTLFLAG_RD,
1197 	    &sc->sc_stats.ast_cabq_xmit, 0, "cabq frames transmitted");
1198 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_cabq_busy", CTLFLAG_RD,
1199 	    &sc->sc_stats.ast_cabq_busy, 0, "cabq found busy");
1200 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_raw", CTLFLAG_RD,
1201 	    &sc->sc_stats.ast_tx_raw, 0, "tx frames through raw api");
1202 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_txok", CTLFLAG_RD,
1203 	    &sc->sc_stats.ast_ff_txok, 0, "fast frames tx'd successfully");
1204 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_txerr", CTLFLAG_RD,
1205 	    &sc->sc_stats.ast_ff_txerr, 0, "fast frames tx'd w/ error");
1206 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_rx", CTLFLAG_RD,
1207 	    &sc->sc_stats.ast_ff_rx, 0, "fast frames rx'd");
1208 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_flush", CTLFLAG_RD,
1209 	    &sc->sc_stats.ast_ff_flush, 0, "fast frames flushed from staging q");
1210 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_qfull", CTLFLAG_RD,
1211 	    &sc->sc_stats.ast_tx_qfull, 0, "tx dropped 'cuz of queue limit");
1212 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nobuf", CTLFLAG_RD,
1213 	    &sc->sc_stats.ast_tx_nobuf, 0, "tx dropped 'cuz no ath buffer");
1214 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_update", CTLFLAG_RD,
1215 	    &sc->sc_stats.ast_tdma_update, 0, "TDMA slot timing updates");
1216 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_timers", CTLFLAG_RD,
1217 	    &sc->sc_stats.ast_tdma_timers, 0, "TDMA slot update set beacon timers");
1218 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_tsf", CTLFLAG_RD,
1219 	    &sc->sc_stats.ast_tdma_tsf, 0, "TDMA slot update set TSF");
1220 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_ack", CTLFLAG_RD,
1221 	    &sc->sc_stats.ast_tdma_ack, 0, "TDMA tx failed 'cuz ACK required");
1222 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_raw_fail", CTLFLAG_RD,
1223 	    &sc->sc_stats.ast_tx_raw_fail, 0, "raw tx failed 'cuz h/w down");
1224 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nofrag", CTLFLAG_RD,
1225 	    &sc->sc_stats.ast_tx_nofrag, 0, "tx dropped 'cuz no ath frag buffer");
1226 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_missed", CTLFLAG_RD,
1227 	    &sc->sc_stats.ast_be_missed, 0, "number of -missed- beacons");
1228 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ani_cal", CTLFLAG_RD,
1229 	    &sc->sc_stats.ast_ani_cal, 0, "number of ANI polls");
1230 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_agg", CTLFLAG_RD,
1231 	    &sc->sc_stats.ast_rx_agg, 0, "number of aggregate frames received");
1232 
1233 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_halfgi", CTLFLAG_RD,
1234 	    &sc->sc_stats.ast_rx_halfgi, 0, "number of frames received with half-GI");
1235 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_2040", CTLFLAG_RD,
1236 	    &sc->sc_stats.ast_rx_2040, 0, "number of HT/40 frames received");
1237 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_pre_crc_err", CTLFLAG_RD,
1238 	    &sc->sc_stats.ast_rx_pre_crc_err, 0, "number of delimiter-CRC errors detected");
1239 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_post_crc_err", CTLFLAG_RD,
1240 	    &sc->sc_stats.ast_rx_post_crc_err, 0, "number of post-delimiter CRC errors detected");
1241 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_decrypt_busy_err", CTLFLAG_RD,
1242 	    &sc->sc_stats.ast_rx_decrypt_busy_err, 0, "number of frames received w/ busy decrypt engine");
1243 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_hi_rx_chain", CTLFLAG_RD,
1244 	    &sc->sc_stats.ast_rx_hi_rx_chain, 0, "");
1245 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_htprotect", CTLFLAG_RD,
1246 	    &sc->sc_stats.ast_tx_htprotect, 0, "HT tx frames with protection");
1247 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_hitqueueend", CTLFLAG_RD,
1248 	    &sc->sc_stats.ast_rx_hitqueueend, 0, "RX hit queue end");
1249 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_timeout", CTLFLAG_RD,
1250 	    &sc->sc_stats.ast_tx_timeout, 0, "TX Global Timeout");
1251 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_cst", CTLFLAG_RD,
1252 	    &sc->sc_stats.ast_tx_cst, 0, "TX Carrier Sense Timeout");
1253 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_xtxop", CTLFLAG_RD,
1254 	    &sc->sc_stats.ast_tx_xtxop, 0, "TX exceeded TXOP");
1255 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_timerexpired", CTLFLAG_RD,
1256 	    &sc->sc_stats.ast_tx_timerexpired, 0, "TX exceeded TX_TIMER register");
1257 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_desccfgerr", CTLFLAG_RD,
1258 	    &sc->sc_stats.ast_tx_desccfgerr, 0, "TX Descriptor Cfg Error");
1259 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_swretries", CTLFLAG_RD,
1260 	    &sc->sc_stats.ast_tx_swretries, 0, "TX software retry count");
1261 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_swretrymax", CTLFLAG_RD,
1262 	    &sc->sc_stats.ast_tx_swretrymax, 0, "TX software retry max reached");
1263 
1264 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_data_underrun", CTLFLAG_RD,
1265 	    &sc->sc_stats.ast_tx_data_underrun, 0, "");
1266 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_delim_underrun", CTLFLAG_RD,
1267 	    &sc->sc_stats.ast_tx_delim_underrun, 0, "");
1268 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_failall", CTLFLAG_RD,
1269 	    &sc->sc_stats.ast_tx_aggr_failall, 0,
1270 	    "Number of aggregate TX failures (whole frame)");
1271 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_ok", CTLFLAG_RD,
1272 	    &sc->sc_stats.ast_tx_aggr_ok, 0,
1273 	    "Number of aggregate TX OK completions (subframe)");
1274 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_fail", CTLFLAG_RD,
1275 	    &sc->sc_stats.ast_tx_aggr_fail, 0,
1276 	    "Number of aggregate TX failures (subframe)");
1277 
1278 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_intr", CTLFLAG_RD,
1279 	    &sc->sc_stats.ast_rx_intr, 0, "RX interrupts");
1280 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_intr", CTLFLAG_RD,
1281 	    &sc->sc_stats.ast_tx_intr, 0, "TX interrupts");
1282 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_mcastq_overflow",
1283 	    CTLFLAG_RD, &sc->sc_stats.ast_tx_mcastq_overflow, 0,
1284 	    "Number of multicast frames exceeding maximum mcast queue depth");
1285 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_keymiss", CTLFLAG_RD,
1286 	    &sc->sc_stats.ast_rx_keymiss, 0, "");
1287 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_swfiltered", CTLFLAG_RD,
1288 	    &sc->sc_stats.ast_tx_swfiltered, 0, "");
1289 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nodeq_overflow",
1290 	    CTLFLAG_RD, &sc->sc_stats.ast_tx_nodeq_overflow, 0,
1291 	    "tx dropped 'cuz nodeq overflow");
1292 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_stbc",
1293 	    CTLFLAG_RD, &sc->sc_stats.ast_rx_stbc, 0,
1294 	    "Number of STBC frames received");
1295 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_stbc",
1296 	    CTLFLAG_RD, &sc->sc_stats.ast_tx_stbc, 0,
1297 	    "Number of STBC frames transmitted");
1298 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_ldpc",
1299 	    CTLFLAG_RD, &sc->sc_stats.ast_tx_ldpc, 0,
1300 	    "Number of LDPC frames transmitted");
1301 
1302 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tsfoor",
1303 	    CTLFLAG_RD, &sc->sc_stats.ast_tsfoor, 0,
1304 	    "Number of TSF out of range interrupts/resets");
1305 
1306 	/* Attach the RX phy error array */
1307 	ath_sysctl_stats_attach_rxphyerr(sc, child);
1308 
1309 	/* Attach the interrupt statistics array */
1310 	ath_sysctl_stats_attach_intr(sc, child);
1311 }
1312 
1313 /*
1314  * This doesn't necessarily belong here (because it's HAL related, not
1315  * driver related).
1316  */
1317 void
1318 ath_sysctl_hal_attach(struct ath_softc *sc)
1319 {
1320 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
1321 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
1322 	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
1323 
1324 	tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "hal",
1325 	    CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Atheros HAL parameters");
1326 	child = SYSCTL_CHILDREN(tree);
1327 
1328 	sc->sc_ah->ah_config.ah_debug = 0;
1329 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "debug", CTLFLAG_RW,
1330 	    &sc->sc_ah->ah_config.ah_debug, 0, "Atheros HAL debugging printfs");
1331 
1332 	sc->sc_ah->ah_config.ah_ar5416_biasadj = 0;
1333 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "ar5416_biasadj", CTLFLAG_RW,
1334 	    &sc->sc_ah->ah_config.ah_ar5416_biasadj, 0,
1335 	    "Enable 2GHz AR5416 direction sensitivity bias adjust");
1336 
1337 	sc->sc_ah->ah_config.ah_dma_beacon_response_time = 2;
1338 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "dma_brt", CTLFLAG_RW,
1339 	    &sc->sc_ah->ah_config.ah_dma_beacon_response_time, 0,
1340 	    "Atheros HAL DMA beacon response time");
1341 
1342 	sc->sc_ah->ah_config.ah_sw_beacon_response_time = 10;
1343 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "sw_brt", CTLFLAG_RW,
1344 	    &sc->sc_ah->ah_config.ah_sw_beacon_response_time, 0,
1345 	    "Atheros HAL software beacon response time");
1346 
1347 	sc->sc_ah->ah_config.ah_additional_swba_backoff = 0;
1348 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "swba_backoff", CTLFLAG_RW,
1349 	    &sc->sc_ah->ah_config.ah_additional_swba_backoff, 0,
1350 	    "Atheros HAL additional SWBA backoff time");
1351 
1352 	sc->sc_ah->ah_config.ah_force_full_reset = 0;
1353 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "force_full_reset", CTLFLAG_RW,
1354 	    &sc->sc_ah->ah_config.ah_force_full_reset, 0,
1355 	    "Force full chip reset rather than a warm reset");
1356 
1357 	/*
1358 	 * This is initialised by the driver.
1359 	 */
1360 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "serialise_reg_war", CTLFLAG_RW,
1361 	    &sc->sc_ah->ah_config.ah_serialise_reg_war, 0,
1362 	    "Force register access serialisation");
1363 }
1364