xref: /freebsd/sys/dev/ath/if_ath_sysctl.c (revision 076ad2f8)
1 /*-
2  * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer,
10  *    without modification.
11  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
13  *    redistribution must be conditioned upon including a substantially
14  *    similar Disclaimer requirement for further binary redistribution.
15  *
16  * NO WARRANTY
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
20  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
22  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
27  * THE POSSIBILITY OF SUCH DAMAGES.
28  */
29 
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
32 
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) : 0;
384 
385 finish:
386 	ATH_LOCK(sc);
387 	ath_power_restore_power_state(sc);
388 	ATH_UNLOCK(sc);
389 
390 	return (error);
391 }
392 
393 static int
394 ath_sysctl_tpc(SYSCTL_HANDLER_ARGS)
395 {
396 	struct ath_softc *sc = arg1;
397 	u_int tpc;
398 	int error;
399 
400 	ATH_LOCK(sc);
401 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
402 	ATH_UNLOCK(sc);
403 
404 	tpc = ath_hal_gettpc(sc->sc_ah);
405 
406 	error = sysctl_handle_int(oidp, &tpc, 0, req);
407 	if (error || !req->newptr)
408 		goto finish;
409 	error = !ath_hal_settpc(sc->sc_ah, tpc) ? EINVAL : 0;
410 
411 finish:
412 	ATH_LOCK(sc);
413 	ath_power_restore_power_state(sc);
414 	ATH_UNLOCK(sc);
415 
416 	return (error);
417 }
418 
419 static int
420 ath_sysctl_rfkill(SYSCTL_HANDLER_ARGS)
421 {
422 	struct ath_softc *sc = arg1;
423 	struct ath_hal *ah = sc->sc_ah;
424 	u_int rfkill;
425 	int error;
426 
427 	ATH_LOCK(sc);
428 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
429 	ATH_UNLOCK(sc);
430 
431 	rfkill = ath_hal_getrfkill(ah);
432 
433 	error = sysctl_handle_int(oidp, &rfkill, 0, req);
434 	if (error || !req->newptr)
435 		goto finish;
436 	if (rfkill == ath_hal_getrfkill(ah)) {	/* unchanged */
437 		error = 0;
438 		goto finish;
439 	}
440 	if (!ath_hal_setrfkill(ah, rfkill)) {
441 		error = EINVAL;
442 		goto finish;
443 	}
444 	error = sc->sc_running ? ath_reset(sc, ATH_RESET_FULL) : 0;
445 
446 finish:
447 	ATH_LOCK(sc);
448 	ath_power_restore_power_state(sc);
449 	ATH_UNLOCK(sc);
450 
451 	return (error);
452 }
453 
454 static int
455 ath_sysctl_txagg(SYSCTL_HANDLER_ARGS)
456 {
457 	struct ath_softc *sc = arg1;
458 	int i, t, param = 0;
459 	int error;
460 	struct ath_buf *bf;
461 
462 	error = sysctl_handle_int(oidp, &param, 0, req);
463 	if (error || !req->newptr)
464 		return error;
465 
466 	if (param != 1)
467 		return 0;
468 
469 	printf("no tx bufs (empty list): %d\n", sc->sc_stats.ast_tx_getnobuf);
470 	printf("no tx bufs (was busy): %d\n", sc->sc_stats.ast_tx_getbusybuf);
471 
472 	printf("aggr single packet: %d\n",
473 	    sc->sc_aggr_stats.aggr_single_pkt);
474 	printf("aggr single packet w/ BAW closed: %d\n",
475 	    sc->sc_aggr_stats.aggr_baw_closed_single_pkt);
476 	printf("aggr non-baw packet: %d\n",
477 	    sc->sc_aggr_stats.aggr_nonbaw_pkt);
478 	printf("aggr aggregate packet: %d\n",
479 	    sc->sc_aggr_stats.aggr_aggr_pkt);
480 	printf("aggr single packet low hwq: %d\n",
481 	    sc->sc_aggr_stats.aggr_low_hwq_single_pkt);
482 	printf("aggr single packet RTS aggr limited: %d\n",
483 	    sc->sc_aggr_stats.aggr_rts_aggr_limited);
484 	printf("aggr sched, no work: %d\n",
485 	    sc->sc_aggr_stats.aggr_sched_nopkt);
486 	for (i = 0; i < 64; i++) {
487 		printf("%2d: %10d ", i, sc->sc_aggr_stats.aggr_pkts[i]);
488 		if (i % 4 == 3)
489 			printf("\n");
490 	}
491 	printf("\n");
492 
493 	for (i = 0; i < HAL_NUM_TX_QUEUES; i++) {
494 		if (ATH_TXQ_SETUP(sc, i)) {
495 			printf("HW TXQ %d: axq_depth=%d, axq_aggr_depth=%d, "
496 			    "axq_fifo_depth=%d, holdingbf=%p\n",
497 			    i,
498 			    sc->sc_txq[i].axq_depth,
499 			    sc->sc_txq[i].axq_aggr_depth,
500 			    sc->sc_txq[i].axq_fifo_depth,
501 			    sc->sc_txq[i].axq_holdingbf);
502 		}
503 	}
504 
505 	i = t = 0;
506 	ATH_TXBUF_LOCK(sc);
507 	TAILQ_FOREACH(bf, &sc->sc_txbuf, bf_list) {
508 		if (bf->bf_flags & ATH_BUF_BUSY) {
509 			printf("Busy: %d\n", t);
510 			i++;
511 		}
512 		t++;
513 	}
514 	ATH_TXBUF_UNLOCK(sc);
515 	printf("Total TX buffers: %d; Total TX buffers busy: %d (%d)\n",
516 	    t, i, sc->sc_txbuf_cnt);
517 
518 	i = t = 0;
519 	ATH_TXBUF_LOCK(sc);
520 	TAILQ_FOREACH(bf, &sc->sc_txbuf_mgmt, bf_list) {
521 		if (bf->bf_flags & ATH_BUF_BUSY) {
522 			printf("Busy: %d\n", t);
523 			i++;
524 		}
525 		t++;
526 	}
527 	ATH_TXBUF_UNLOCK(sc);
528 	printf("Total mgmt TX buffers: %d; Total mgmt TX buffers busy: %d\n",
529 	    t, i);
530 
531 	ATH_RX_LOCK(sc);
532 	for (i = 0; i < 2; i++) {
533 		printf("%d: fifolen: %d/%d; head=%d; tail=%d; m_pending=%p, m_holdbf=%p\n",
534 		    i,
535 		    sc->sc_rxedma[i].m_fifo_depth,
536 		    sc->sc_rxedma[i].m_fifolen,
537 		    sc->sc_rxedma[i].m_fifo_head,
538 		    sc->sc_rxedma[i].m_fifo_tail,
539 		    sc->sc_rxedma[i].m_rxpending,
540 		    sc->sc_rxedma[i].m_holdbf);
541 	}
542 	i = 0;
543 	TAILQ_FOREACH(bf, &sc->sc_rxbuf, bf_list) {
544 		i++;
545 	}
546 	printf("Total RX buffers in free list: %d buffers\n",
547 	    i);
548 	ATH_RX_UNLOCK(sc);
549 
550 	return 0;
551 }
552 
553 static int
554 ath_sysctl_rfsilent(SYSCTL_HANDLER_ARGS)
555 {
556 	struct ath_softc *sc = arg1;
557 	u_int rfsilent;
558 	int error;
559 
560 	ATH_LOCK(sc);
561 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
562 	ATH_UNLOCK(sc);
563 
564 	(void) ath_hal_getrfsilent(sc->sc_ah, &rfsilent);
565 	error = sysctl_handle_int(oidp, &rfsilent, 0, req);
566 	if (error || !req->newptr)
567 		goto finish;
568 	if (!ath_hal_setrfsilent(sc->sc_ah, rfsilent)) {
569 		error = EINVAL;
570 		goto finish;
571 	}
572 	/*
573 	 * Earlier chips (< AR5212) have up to 8 GPIO
574 	 * pins exposed.
575 	 *
576 	 * AR5416 and later chips have many more GPIO
577 	 * pins (up to 16) so the mask is expanded to
578 	 * four bits.
579 	 */
580 	sc->sc_rfsilentpin = rfsilent & 0x3c;
581 	sc->sc_rfsilentpol = (rfsilent & 0x2) != 0;
582 	error = 0;
583 
584 finish:
585 	ATH_LOCK(sc);
586 	ath_power_restore_power_state(sc);
587 	ATH_UNLOCK(sc);
588 
589 	return (error);
590 }
591 
592 static int
593 ath_sysctl_tpack(SYSCTL_HANDLER_ARGS)
594 {
595 	struct ath_softc *sc = arg1;
596 	u_int32_t tpack;
597 	int error;
598 
599 	ATH_LOCK(sc);
600 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
601 	ATH_UNLOCK(sc);
602 
603 	(void) ath_hal_gettpack(sc->sc_ah, &tpack);
604 	error = sysctl_handle_int(oidp, &tpack, 0, req);
605 	if (error || !req->newptr)
606 		goto finish;
607 	error = !ath_hal_settpack(sc->sc_ah, tpack) ? EINVAL : 0;
608 
609 finish:
610 	ATH_LOCK(sc);
611 	ath_power_restore_power_state(sc);
612 	ATH_UNLOCK(sc);
613 
614 	return (error);
615 }
616 
617 static int
618 ath_sysctl_tpcts(SYSCTL_HANDLER_ARGS)
619 {
620 	struct ath_softc *sc = arg1;
621 	u_int32_t tpcts;
622 	int error;
623 
624 	ATH_LOCK(sc);
625 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
626 	ATH_UNLOCK(sc);
627 
628 	(void) ath_hal_gettpcts(sc->sc_ah, &tpcts);
629 	error = sysctl_handle_int(oidp, &tpcts, 0, req);
630 	if (error || !req->newptr)
631 		goto finish;
632 
633 	error = !ath_hal_settpcts(sc->sc_ah, tpcts) ? EINVAL : 0;
634 
635 finish:
636 	ATH_LOCK(sc);
637 	ath_power_restore_power_state(sc);
638 	ATH_UNLOCK(sc);
639 
640 	return (error);
641 }
642 
643 static int
644 ath_sysctl_intmit(SYSCTL_HANDLER_ARGS)
645 {
646 	struct ath_softc *sc = arg1;
647 	int intmit, error;
648 
649 	ATH_LOCK(sc);
650 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
651 	ATH_UNLOCK(sc);
652 
653 	intmit = ath_hal_getintmit(sc->sc_ah);
654 	error = sysctl_handle_int(oidp, &intmit, 0, req);
655 	if (error || !req->newptr)
656 		goto finish;
657 
658 	/* reusing error; 1 here means "good"; 0 means "fail" */
659 	error = ath_hal_setintmit(sc->sc_ah, intmit);
660 	if (! error) {
661 		error = EINVAL;
662 		goto finish;
663 	}
664 
665 	/*
666 	 * Reset the hardware here - disabling ANI in the HAL
667 	 * doesn't reset ANI related registers, so it'll leave
668 	 * things in an inconsistent state.
669 	 */
670 	if (sc->sc_running)
671 		ath_reset(sc, ATH_RESET_NOLOSS);
672 
673 	error = 0;
674 
675 finish:
676 	ATH_LOCK(sc);
677 	ath_power_restore_power_state(sc);
678 	ATH_UNLOCK(sc);
679 
680 	return (error);
681 }
682 
683 #ifdef IEEE80211_SUPPORT_TDMA
684 static int
685 ath_sysctl_setcca(SYSCTL_HANDLER_ARGS)
686 {
687 	struct ath_softc *sc = arg1;
688 	int setcca, error;
689 
690 	setcca = sc->sc_setcca;
691 	error = sysctl_handle_int(oidp, &setcca, 0, req);
692 	if (error || !req->newptr)
693 		return error;
694 	sc->sc_setcca = (setcca != 0);
695 	return 0;
696 }
697 #endif /* IEEE80211_SUPPORT_TDMA */
698 
699 static int
700 ath_sysctl_forcebstuck(SYSCTL_HANDLER_ARGS)
701 {
702 	struct ath_softc *sc = arg1;
703 	int val = 0;
704 	int error;
705 
706 	error = sysctl_handle_int(oidp, &val, 0, req);
707 	if (error || !req->newptr)
708 		return error;
709 	if (val == 0)
710 		return 0;
711 
712 	taskqueue_enqueue(sc->sc_tq, &sc->sc_bstucktask);
713 	val = 0;
714 	return 0;
715 }
716 
717 static int
718 ath_sysctl_hangcheck(SYSCTL_HANDLER_ARGS)
719 {
720 	struct ath_softc *sc = arg1;
721 	int val = 0;
722 	int error;
723 	uint32_t mask = 0xffffffff;
724 	uint32_t *sp;
725 	uint32_t rsize;
726 	struct ath_hal *ah = sc->sc_ah;
727 
728 	error = sysctl_handle_int(oidp, &val, 0, req);
729 	if (error || !req->newptr)
730 		return error;
731 	if (val == 0)
732 		return 0;
733 
734 	ATH_LOCK(sc);
735 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
736 	ATH_UNLOCK(sc);
737 
738 	/* Do a hang check */
739 	if (!ath_hal_getdiagstate(ah, HAL_DIAG_CHECK_HANGS,
740 	    &mask, sizeof(mask),
741 	    (void *) &sp, &rsize)) {
742 		error = 0;
743 		goto finish;
744 	}
745 
746 	device_printf(sc->sc_dev, "%s: sp=0x%08x\n", __func__, *sp);
747 
748 	val = 0;
749 	error = 0;
750 finish:
751 	ATH_LOCK(sc);
752 	ath_power_restore_power_state(sc);
753 	ATH_UNLOCK(sc);
754 
755 	return (error);
756 }
757 
758 #ifdef ATH_DEBUG_ALQ
759 static int
760 ath_sysctl_alq_log(SYSCTL_HANDLER_ARGS)
761 {
762 	struct ath_softc *sc = arg1;
763 	int error, enable;
764 
765 	enable = (sc->sc_alq.sc_alq_isactive);
766 
767 	error = sysctl_handle_int(oidp, &enable, 0, req);
768 	if (error || !req->newptr)
769 		return (error);
770 	else if (enable)
771 		error = if_ath_alq_start(&sc->sc_alq);
772 	else
773 		error = if_ath_alq_stop(&sc->sc_alq);
774 	return (error);
775 }
776 
777 /*
778  * Attach the ALQ debugging if required.
779  */
780 static void
781 ath_sysctl_alq_attach(struct ath_softc *sc)
782 {
783 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
784 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
785 	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
786 
787 	tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "alq", CTLFLAG_RD,
788 	    NULL, "Atheros ALQ logging parameters");
789 	child = SYSCTL_CHILDREN(tree);
790 
791 	SYSCTL_ADD_STRING(ctx, child, OID_AUTO, "filename",
792 	    CTLFLAG_RW, sc->sc_alq.sc_alq_filename, 0, "ALQ filename");
793 
794 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
795 		"enable", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
796 		ath_sysctl_alq_log, "I", "");
797 
798 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
799 		"debugmask", CTLFLAG_RW, &sc->sc_alq.sc_alq_debug, 0,
800 		"ALQ debug mask");
801 
802 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
803 		"numlost", CTLFLAG_RW, &sc->sc_alq.sc_alq_numlost, 0,
804 		"number lost");
805 }
806 #endif /* ATH_DEBUG_ALQ */
807 
808 void
809 ath_sysctlattach(struct ath_softc *sc)
810 {
811 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
812 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
813 	struct ath_hal *ah = sc->sc_ah;
814 
815 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
816 		"countrycode", CTLFLAG_RD, &sc->sc_eecc, 0,
817 		"EEPROM country code");
818 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
819 		"regdomain", CTLFLAG_RD, &sc->sc_eerd, 0,
820 		"EEPROM regdomain code");
821 #ifdef	ATH_DEBUG
822 	SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
823 		"debug", CTLFLAG_RW, &sc->sc_debug,
824 		"control debugging printfs");
825 #endif
826 #ifdef	ATH_DEBUG_ALQ
827 	SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
828 		"ktrdebug", CTLFLAG_RW, &sc->sc_ktrdebug,
829 		"control debugging KTR");
830 #endif /* ATH_DEBUG_ALQ */
831 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
832 		"slottime", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
833 		ath_sysctl_slottime, "I", "802.11 slot time (us)");
834 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
835 		"acktimeout", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
836 		ath_sysctl_acktimeout, "I", "802.11 ACK timeout (us)");
837 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
838 		"ctstimeout", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
839 		ath_sysctl_ctstimeout, "I", "802.11 CTS timeout (us)");
840 
841 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
842 		"softled", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
843 		ath_sysctl_softled, "I", "enable/disable software LED support");
844 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
845 		"ledpin", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
846 		ath_sysctl_ledpin, "I", "GPIO pin connected to LED");
847 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
848 		"ledon", CTLFLAG_RW, &sc->sc_ledon, 0,
849 		"setting to turn LED on");
850 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
851 		"ledidle", CTLFLAG_RW, &sc->sc_ledidle, 0,
852 		"idle time for inactivity LED (ticks)");
853 
854 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
855 		"hardled", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
856 		ath_sysctl_hardled, "I", "enable/disable hardware LED support");
857 	/* XXX Laziness - configure pins, then flip hardled off/on */
858 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
859 		"led_net_pin", CTLFLAG_RW, &sc->sc_led_net_pin, 0,
860 		"MAC Network LED pin, or -1 to disable");
861 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
862 		"led_pwr_pin", CTLFLAG_RW, &sc->sc_led_pwr_pin, 0,
863 		"MAC Power LED pin, or -1 to disable");
864 
865 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
866 		"txantenna", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
867 		ath_sysctl_txantenna, "I", "antenna switch");
868 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
869 		"rxantenna", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
870 		ath_sysctl_rxantenna, "I", "default/rx antenna");
871 	if (ath_hal_hasdiversity(ah))
872 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
873 			"diversity", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
874 			ath_sysctl_diversity, "I", "antenna diversity");
875 	sc->sc_txintrperiod = ATH_TXINTR_PERIOD;
876 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
877 		"txintrperiod", CTLFLAG_RW, &sc->sc_txintrperiod, 0,
878 		"tx descriptor batching");
879 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
880 		"diag", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
881 		ath_sysctl_diag, "I", "h/w diagnostic control");
882 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
883 		"tpscale", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
884 		ath_sysctl_tpscale, "I", "tx power scaling");
885 	if (ath_hal_hastpc(ah)) {
886 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
887 			"tpc", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
888 			ath_sysctl_tpc, "I", "enable/disable per-packet TPC");
889 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
890 			"tpack", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
891 			ath_sysctl_tpack, "I", "tx power for ack frames");
892 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
893 			"tpcts", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
894 			ath_sysctl_tpcts, "I", "tx power for cts frames");
895 	}
896 	if (ath_hal_hasrfsilent(ah)) {
897 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
898 			"rfsilent", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
899 			ath_sysctl_rfsilent, "I", "h/w RF silent config");
900 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
901 			"rfkill", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
902 			ath_sysctl_rfkill, "I", "enable/disable RF kill switch");
903 	}
904 
905 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
906 		"txagg", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
907 		ath_sysctl_txagg, "I", "");
908 
909 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
910 		"forcebstuck", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
911 		ath_sysctl_forcebstuck, "I", "");
912 
913 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
914 		"hangcheck", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
915 		ath_sysctl_hangcheck, "I", "");
916 
917 	if (ath_hal_hasintmit(ah)) {
918 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
919 			"intmit", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
920 			ath_sysctl_intmit, "I", "interference mitigation");
921 	}
922 	sc->sc_monpass = HAL_RXERR_DECRYPT | HAL_RXERR_MIC;
923 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
924 		"monpass", CTLFLAG_RW, &sc->sc_monpass, 0,
925 		"mask of error frames to pass when monitoring");
926 
927 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
928 		"hwq_limit_nonaggr", CTLFLAG_RW, &sc->sc_hwq_limit_nonaggr, 0,
929 		"Hardware non-AMPDU queue depth before software-queuing TX frames");
930 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
931 		"hwq_limit_aggr", CTLFLAG_RW, &sc->sc_hwq_limit_aggr, 0,
932 		"Hardware AMPDU queue depth before software-queuing TX frames");
933 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
934 		"tid_hwq_lo", CTLFLAG_RW, &sc->sc_tid_hwq_lo, 0,
935 		"");
936 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
937 		"tid_hwq_hi", CTLFLAG_RW, &sc->sc_tid_hwq_hi, 0,
938 		"");
939 
940 	/* Aggregate length twiddles */
941 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
942 		"aggr_limit", CTLFLAG_RW, &sc->sc_aggr_limit, 0,
943 		"Maximum A-MPDU size, or 0 for 'default'");
944 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
945 		"rts_aggr_limit", CTLFLAG_RW, &sc->sc_rts_aggr_limit, 0,
946 		"Maximum A-MPDU size for RTS-protected frames, or '0' "
947 		"for default");
948 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
949 		"delim_min_pad", CTLFLAG_RW, &sc->sc_delim_min_pad, 0,
950 		"Enforce a minimum number of delimiters per A-MPDU "
951 		" sub-frame");
952 
953 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
954 		"txq_data_minfree", CTLFLAG_RW, &sc->sc_txq_data_minfree,
955 		0, "Minimum free buffers before adding a data frame"
956 		" to the TX queue");
957 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
958 		"txq_mcastq_maxdepth", CTLFLAG_RW,
959 		&sc->sc_txq_mcastq_maxdepth, 0,
960 		"Maximum buffer depth for multicast/broadcast frames");
961 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
962 		"txq_node_maxdepth", CTLFLAG_RW,
963 		&sc->sc_txq_node_maxdepth, 0,
964 		"Maximum buffer depth for a single node");
965 
966 #if 0
967 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
968 		"cabq_enable", CTLFLAG_RW,
969 		&sc->sc_cabq_enable, 0,
970 		"Whether to transmit on the CABQ or not");
971 #endif
972 
973 #ifdef IEEE80211_SUPPORT_TDMA
974 	if (ath_hal_macversion(ah) > 0x78) {
975 		sc->sc_tdmadbaprep = 2;
976 		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
977 			"dbaprep", CTLFLAG_RW, &sc->sc_tdmadbaprep, 0,
978 			"TDMA DBA preparation time");
979 		sc->sc_tdmaswbaprep = 10;
980 		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
981 			"swbaprep", CTLFLAG_RW, &sc->sc_tdmaswbaprep, 0,
982 			"TDMA SWBA preparation time");
983 		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
984 			"guardtime", CTLFLAG_RW, &sc->sc_tdmaguard, 0,
985 			"TDMA slot guard time");
986 		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
987 			"superframe", CTLFLAG_RD, &sc->sc_tdmabintval, 0,
988 			"TDMA calculated super frame");
989 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
990 			"setcca", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
991 			ath_sysctl_setcca, "I", "enable CCA control");
992 	}
993 #endif
994 
995 #ifdef	ATH_DEBUG_ALQ
996 	ath_sysctl_alq_attach(sc);
997 #endif
998 }
999 
1000 static int
1001 ath_sysctl_clearstats(SYSCTL_HANDLER_ARGS)
1002 {
1003 	struct ath_softc *sc = arg1;
1004 	int val = 0;
1005 	int error;
1006 
1007 	error = sysctl_handle_int(oidp, &val, 0, req);
1008 	if (error || !req->newptr)
1009 		return error;
1010 	if (val == 0)
1011 		return 0;       /* Not clearing the stats is still valid */
1012 	memset(&sc->sc_stats, 0, sizeof(sc->sc_stats));
1013 	memset(&sc->sc_aggr_stats, 0, sizeof(sc->sc_aggr_stats));
1014 	memset(&sc->sc_intr_stats, 0, sizeof(sc->sc_intr_stats));
1015 
1016 	val = 0;
1017 	return 0;
1018 }
1019 
1020 static void
1021 ath_sysctl_stats_attach_rxphyerr(struct ath_softc *sc, struct sysctl_oid_list *parent)
1022 {
1023 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
1024 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
1025 	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
1026 	int i;
1027 	char sn[8];
1028 
1029 	tree = SYSCTL_ADD_NODE(ctx, parent, OID_AUTO, "rx_phy_err", CTLFLAG_RD, NULL, "Per-code RX PHY Errors");
1030 	child = SYSCTL_CHILDREN(tree);
1031 	for (i = 0; i < 64; i++) {
1032 		snprintf(sn, sizeof(sn), "%d", i);
1033 		SYSCTL_ADD_UINT(ctx, child, OID_AUTO, sn, CTLFLAG_RD, &sc->sc_stats.ast_rx_phy[i], 0, "");
1034 	}
1035 }
1036 
1037 static void
1038 ath_sysctl_stats_attach_intr(struct ath_softc *sc,
1039     struct sysctl_oid_list *parent)
1040 {
1041 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
1042 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
1043 	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
1044 	int i;
1045 	char sn[8];
1046 
1047 	tree = SYSCTL_ADD_NODE(ctx, parent, OID_AUTO, "sync_intr",
1048 	    CTLFLAG_RD, NULL, "Sync interrupt statistics");
1049 	child = SYSCTL_CHILDREN(tree);
1050 	for (i = 0; i < 32; i++) {
1051 		snprintf(sn, sizeof(sn), "%d", i);
1052 		SYSCTL_ADD_UINT(ctx, child, OID_AUTO, sn, CTLFLAG_RD,
1053 		    &sc->sc_intr_stats.sync_intr[i], 0, "");
1054 	}
1055 }
1056 
1057 void
1058 ath_sysctl_stats_attach(struct ath_softc *sc)
1059 {
1060 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
1061 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
1062 	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
1063 
1064 	/* Create "clear" node */
1065 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1066 	    "clear_stats", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
1067 	    ath_sysctl_clearstats, "I", "clear stats");
1068 
1069 	/* Create stats node */
1070 	tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD,
1071 	    NULL, "Statistics");
1072 	child = SYSCTL_CHILDREN(tree);
1073 
1074 	/* This was generated from if_athioctl.h */
1075 
1076 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_watchdog", CTLFLAG_RD,
1077 	    &sc->sc_stats.ast_watchdog, 0, "device reset by watchdog");
1078 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_hardware", CTLFLAG_RD,
1079 	    &sc->sc_stats.ast_hardware, 0, "fatal hardware error interrupts");
1080 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bmiss", CTLFLAG_RD,
1081 	    &sc->sc_stats.ast_bmiss, 0, "beacon miss interrupts");
1082 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bmiss_phantom", CTLFLAG_RD,
1083 	    &sc->sc_stats.ast_bmiss_phantom, 0, "beacon miss interrupts");
1084 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bstuck", CTLFLAG_RD,
1085 	    &sc->sc_stats.ast_bstuck, 0, "beacon stuck interrupts");
1086 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rxorn", CTLFLAG_RD,
1087 	    &sc->sc_stats.ast_rxorn, 0, "rx overrun interrupts");
1088 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rxeol", CTLFLAG_RD,
1089 	    &sc->sc_stats.ast_rxeol, 0, "rx eol interrupts");
1090 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_txurn", CTLFLAG_RD,
1091 	    &sc->sc_stats.ast_txurn, 0, "tx underrun interrupts");
1092 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_mib", CTLFLAG_RD,
1093 	    &sc->sc_stats.ast_mib, 0, "mib interrupts");
1094 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_intrcoal", CTLFLAG_RD,
1095 	    &sc->sc_stats.ast_intrcoal, 0, "interrupts coalesced");
1096 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_packets", CTLFLAG_RD,
1097 	    &sc->sc_stats.ast_tx_packets, 0, "packet sent on the interface");
1098 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_mgmt", CTLFLAG_RD,
1099 	    &sc->sc_stats.ast_tx_mgmt, 0, "management frames transmitted");
1100 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_discard", CTLFLAG_RD,
1101 	    &sc->sc_stats.ast_tx_discard, 0, "frames discarded prior to assoc");
1102 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_qstop", CTLFLAG_RD,
1103 	    &sc->sc_stats.ast_tx_qstop, 0, "output stopped 'cuz no buffer");
1104 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_encap", CTLFLAG_RD,
1105 	    &sc->sc_stats.ast_tx_encap, 0, "tx encapsulation failed");
1106 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nonode", CTLFLAG_RD,
1107 	    &sc->sc_stats.ast_tx_nonode, 0, "tx failed 'cuz no node");
1108 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nombuf", CTLFLAG_RD,
1109 	    &sc->sc_stats.ast_tx_nombuf, 0, "tx failed 'cuz no mbuf");
1110 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nomcl", CTLFLAG_RD,
1111 	    &sc->sc_stats.ast_tx_nomcl, 0, "tx failed 'cuz no cluster");
1112 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_linear", CTLFLAG_RD,
1113 	    &sc->sc_stats.ast_tx_linear, 0, "tx linearized to cluster");
1114 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nodata", CTLFLAG_RD,
1115 	    &sc->sc_stats.ast_tx_nodata, 0, "tx discarded empty frame");
1116 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_busdma", CTLFLAG_RD,
1117 	    &sc->sc_stats.ast_tx_busdma, 0, "tx failed for dma resrcs");
1118 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_xretries", CTLFLAG_RD,
1119 	    &sc->sc_stats.ast_tx_xretries, 0, "tx failed 'cuz too many retries");
1120 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_fifoerr", CTLFLAG_RD,
1121 	    &sc->sc_stats.ast_tx_fifoerr, 0, "tx failed 'cuz FIFO underrun");
1122 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_filtered", CTLFLAG_RD,
1123 	    &sc->sc_stats.ast_tx_filtered, 0, "tx failed 'cuz xmit filtered");
1124 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_shortretry", CTLFLAG_RD,
1125 	    &sc->sc_stats.ast_tx_shortretry, 0, "tx on-chip retries (short)");
1126 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_longretry", CTLFLAG_RD,
1127 	    &sc->sc_stats.ast_tx_longretry, 0, "tx on-chip retries (long)");
1128 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_badrate", CTLFLAG_RD,
1129 	    &sc->sc_stats.ast_tx_badrate, 0, "tx failed 'cuz bogus xmit rate");
1130 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_noack", CTLFLAG_RD,
1131 	    &sc->sc_stats.ast_tx_noack, 0, "tx frames with no ack marked");
1132 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_rts", CTLFLAG_RD,
1133 	    &sc->sc_stats.ast_tx_rts, 0, "tx frames with rts enabled");
1134 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_cts", CTLFLAG_RD,
1135 	    &sc->sc_stats.ast_tx_cts, 0, "tx frames with cts enabled");
1136 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_shortpre", CTLFLAG_RD,
1137 	    &sc->sc_stats.ast_tx_shortpre, 0, "tx frames with short preamble");
1138 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_altrate", CTLFLAG_RD,
1139 	    &sc->sc_stats.ast_tx_altrate, 0, "tx frames with alternate rate");
1140 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_protect", CTLFLAG_RD,
1141 	    &sc->sc_stats.ast_tx_protect, 0, "tx frames with protection");
1142 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_ctsburst", CTLFLAG_RD,
1143 	    &sc->sc_stats.ast_tx_ctsburst, 0, "tx frames with cts and bursting");
1144 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_ctsext", CTLFLAG_RD,
1145 	    &sc->sc_stats.ast_tx_ctsext, 0, "tx frames with cts extension");
1146 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_nombuf", CTLFLAG_RD,
1147 	    &sc->sc_stats.ast_rx_nombuf, 0, "rx setup failed 'cuz no mbuf");
1148 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_busdma", CTLFLAG_RD,
1149 	    &sc->sc_stats.ast_rx_busdma, 0, "rx setup failed for dma resrcs");
1150 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_orn", CTLFLAG_RD,
1151 	    &sc->sc_stats.ast_rx_orn, 0, "rx failed 'cuz of desc overrun");
1152 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_crcerr", CTLFLAG_RD,
1153 	    &sc->sc_stats.ast_rx_crcerr, 0, "rx failed 'cuz of bad CRC");
1154 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_fifoerr", CTLFLAG_RD,
1155 	    &sc->sc_stats.ast_rx_fifoerr, 0, "rx failed 'cuz of FIFO overrun");
1156 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_badcrypt", CTLFLAG_RD,
1157 	    &sc->sc_stats.ast_rx_badcrypt, 0, "rx failed 'cuz decryption");
1158 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_badmic", CTLFLAG_RD,
1159 	    &sc->sc_stats.ast_rx_badmic, 0, "rx failed 'cuz MIC failure");
1160 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_phyerr", CTLFLAG_RD,
1161 	    &sc->sc_stats.ast_rx_phyerr, 0, "rx failed 'cuz of PHY err");
1162 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_tooshort", CTLFLAG_RD,
1163 	    &sc->sc_stats.ast_rx_tooshort, 0, "rx discarded 'cuz frame too short");
1164 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_toobig", CTLFLAG_RD,
1165 	    &sc->sc_stats.ast_rx_toobig, 0, "rx discarded 'cuz frame too large");
1166 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_packets", CTLFLAG_RD,
1167 	    &sc->sc_stats.ast_rx_packets, 0, "packet recv on the interface");
1168 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_mgt", CTLFLAG_RD,
1169 	    &sc->sc_stats.ast_rx_mgt, 0, "management frames received");
1170 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_ctl", CTLFLAG_RD,
1171 	    &sc->sc_stats.ast_rx_ctl, 0, "rx discarded 'cuz ctl frame");
1172 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_xmit", CTLFLAG_RD,
1173 	    &sc->sc_stats.ast_be_xmit, 0, "beacons transmitted");
1174 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_nombuf", CTLFLAG_RD,
1175 	    &sc->sc_stats.ast_be_nombuf, 0, "beacon setup failed 'cuz no mbuf");
1176 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_cal", CTLFLAG_RD,
1177 	    &sc->sc_stats.ast_per_cal, 0, "periodic calibration calls");
1178 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_calfail", CTLFLAG_RD,
1179 	    &sc->sc_stats.ast_per_calfail, 0, "periodic calibration failed");
1180 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_rfgain", CTLFLAG_RD,
1181 	    &sc->sc_stats.ast_per_rfgain, 0, "periodic calibration rfgain reset");
1182 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_calls", CTLFLAG_RD,
1183 	    &sc->sc_stats.ast_rate_calls, 0, "rate control checks");
1184 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_raise", CTLFLAG_RD,
1185 	    &sc->sc_stats.ast_rate_raise, 0, "rate control raised xmit rate");
1186 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_drop", CTLFLAG_RD,
1187 	    &sc->sc_stats.ast_rate_drop, 0, "rate control dropped xmit rate");
1188 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ant_defswitch", CTLFLAG_RD,
1189 	    &sc->sc_stats.ast_ant_defswitch, 0, "rx/default antenna switches");
1190 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ant_txswitch", CTLFLAG_RD,
1191 	    &sc->sc_stats.ast_ant_txswitch, 0, "tx antenna switches");
1192 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_cabq_xmit", CTLFLAG_RD,
1193 	    &sc->sc_stats.ast_cabq_xmit, 0, "cabq frames transmitted");
1194 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_cabq_busy", CTLFLAG_RD,
1195 	    &sc->sc_stats.ast_cabq_busy, 0, "cabq found busy");
1196 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_raw", CTLFLAG_RD,
1197 	    &sc->sc_stats.ast_tx_raw, 0, "tx frames through raw api");
1198 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_txok", CTLFLAG_RD,
1199 	    &sc->sc_stats.ast_ff_txok, 0, "fast frames tx'd successfully");
1200 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_txerr", CTLFLAG_RD,
1201 	    &sc->sc_stats.ast_ff_txerr, 0, "fast frames tx'd w/ error");
1202 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_rx", CTLFLAG_RD,
1203 	    &sc->sc_stats.ast_ff_rx, 0, "fast frames rx'd");
1204 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_flush", CTLFLAG_RD,
1205 	    &sc->sc_stats.ast_ff_flush, 0, "fast frames flushed from staging q");
1206 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_qfull", CTLFLAG_RD,
1207 	    &sc->sc_stats.ast_tx_qfull, 0, "tx dropped 'cuz of queue limit");
1208 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nobuf", CTLFLAG_RD,
1209 	    &sc->sc_stats.ast_tx_nobuf, 0, "tx dropped 'cuz no ath buffer");
1210 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_update", CTLFLAG_RD,
1211 	    &sc->sc_stats.ast_tdma_update, 0, "TDMA slot timing updates");
1212 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_timers", CTLFLAG_RD,
1213 	    &sc->sc_stats.ast_tdma_timers, 0, "TDMA slot update set beacon timers");
1214 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_tsf", CTLFLAG_RD,
1215 	    &sc->sc_stats.ast_tdma_tsf, 0, "TDMA slot update set TSF");
1216 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_ack", CTLFLAG_RD,
1217 	    &sc->sc_stats.ast_tdma_ack, 0, "TDMA tx failed 'cuz ACK required");
1218 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_raw_fail", CTLFLAG_RD,
1219 	    &sc->sc_stats.ast_tx_raw_fail, 0, "raw tx failed 'cuz h/w down");
1220 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nofrag", CTLFLAG_RD,
1221 	    &sc->sc_stats.ast_tx_nofrag, 0, "tx dropped 'cuz no ath frag buffer");
1222 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_missed", CTLFLAG_RD,
1223 	    &sc->sc_stats.ast_be_missed, 0, "number of -missed- beacons");
1224 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ani_cal", CTLFLAG_RD,
1225 	    &sc->sc_stats.ast_ani_cal, 0, "number of ANI polls");
1226 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_agg", CTLFLAG_RD,
1227 	    &sc->sc_stats.ast_rx_agg, 0, "number of aggregate frames received");
1228 
1229 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_halfgi", CTLFLAG_RD,
1230 	    &sc->sc_stats.ast_rx_halfgi, 0, "number of frames received with half-GI");
1231 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_2040", CTLFLAG_RD,
1232 	    &sc->sc_stats.ast_rx_2040, 0, "number of HT/40 frames received");
1233 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_pre_crc_err", CTLFLAG_RD,
1234 	    &sc->sc_stats.ast_rx_pre_crc_err, 0, "number of delimeter-CRC errors detected");
1235 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_post_crc_err", CTLFLAG_RD,
1236 	    &sc->sc_stats.ast_rx_post_crc_err, 0, "number of post-delimiter CRC errors detected");
1237 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_decrypt_busy_err", CTLFLAG_RD,
1238 	    &sc->sc_stats.ast_rx_decrypt_busy_err, 0, "number of frames received w/ busy decrypt engine");
1239 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_hi_rx_chain", CTLFLAG_RD,
1240 	    &sc->sc_stats.ast_rx_hi_rx_chain, 0, "");
1241 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_htprotect", CTLFLAG_RD,
1242 	    &sc->sc_stats.ast_tx_htprotect, 0, "HT tx frames with protection");
1243 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_hitqueueend", CTLFLAG_RD,
1244 	    &sc->sc_stats.ast_rx_hitqueueend, 0, "RX hit queue end");
1245 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_timeout", CTLFLAG_RD,
1246 	    &sc->sc_stats.ast_tx_timeout, 0, "TX Global Timeout");
1247 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_cst", CTLFLAG_RD,
1248 	    &sc->sc_stats.ast_tx_cst, 0, "TX Carrier Sense Timeout");
1249 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_xtxop", CTLFLAG_RD,
1250 	    &sc->sc_stats.ast_tx_xtxop, 0, "TX exceeded TXOP");
1251 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_timerexpired", CTLFLAG_RD,
1252 	    &sc->sc_stats.ast_tx_timerexpired, 0, "TX exceeded TX_TIMER register");
1253 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_desccfgerr", CTLFLAG_RD,
1254 	    &sc->sc_stats.ast_tx_desccfgerr, 0, "TX Descriptor Cfg Error");
1255 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_swretries", CTLFLAG_RD,
1256 	    &sc->sc_stats.ast_tx_swretries, 0, "TX software retry count");
1257 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_swretrymax", CTLFLAG_RD,
1258 	    &sc->sc_stats.ast_tx_swretrymax, 0, "TX software retry max reached");
1259 
1260 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_data_underrun", CTLFLAG_RD,
1261 	    &sc->sc_stats.ast_tx_data_underrun, 0, "");
1262 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_delim_underrun", CTLFLAG_RD,
1263 	    &sc->sc_stats.ast_tx_delim_underrun, 0, "");
1264 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_failall", CTLFLAG_RD,
1265 	    &sc->sc_stats.ast_tx_aggr_failall, 0,
1266 	    "Number of aggregate TX failures (whole frame)");
1267 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_ok", CTLFLAG_RD,
1268 	    &sc->sc_stats.ast_tx_aggr_ok, 0,
1269 	    "Number of aggregate TX OK completions (subframe)");
1270 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_fail", CTLFLAG_RD,
1271 	    &sc->sc_stats.ast_tx_aggr_fail, 0,
1272 	    "Number of aggregate TX failures (subframe)");
1273 
1274 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_intr", CTLFLAG_RD,
1275 	    &sc->sc_stats.ast_rx_intr, 0, "RX interrupts");
1276 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_intr", CTLFLAG_RD,
1277 	    &sc->sc_stats.ast_tx_intr, 0, "TX interrupts");
1278 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_mcastq_overflow",
1279 	    CTLFLAG_RD, &sc->sc_stats.ast_tx_mcastq_overflow, 0,
1280 	    "Number of multicast frames exceeding maximum mcast queue depth");
1281 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_keymiss", CTLFLAG_RD,
1282 	    &sc->sc_stats.ast_rx_keymiss, 0, "");
1283 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_swfiltered", CTLFLAG_RD,
1284 	    &sc->sc_stats.ast_tx_swfiltered, 0, "");
1285 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nodeq_overflow",
1286 	    CTLFLAG_RD, &sc->sc_stats.ast_tx_nodeq_overflow, 0,
1287 	    "tx dropped 'cuz nodeq overflow");
1288 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_stbc",
1289 	    CTLFLAG_RD, &sc->sc_stats.ast_rx_stbc, 0,
1290 	    "Number of STBC frames received");
1291 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_stbc",
1292 	    CTLFLAG_RD, &sc->sc_stats.ast_tx_stbc, 0,
1293 	    "Number of STBC frames transmitted");
1294 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_ldpc",
1295 	    CTLFLAG_RD, &sc->sc_stats.ast_tx_ldpc, 0,
1296 	    "Number of LDPC frames transmitted");
1297 
1298 	/* Attach the RX phy error array */
1299 	ath_sysctl_stats_attach_rxphyerr(sc, child);
1300 
1301 	/* Attach the interrupt statistics array */
1302 	ath_sysctl_stats_attach_intr(sc, child);
1303 }
1304 
1305 /*
1306  * This doesn't necessarily belong here (because it's HAL related, not
1307  * driver related).
1308  */
1309 void
1310 ath_sysctl_hal_attach(struct ath_softc *sc)
1311 {
1312 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
1313 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
1314 	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
1315 
1316 	tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "hal", CTLFLAG_RD,
1317 	    NULL, "Atheros HAL parameters");
1318 	child = SYSCTL_CHILDREN(tree);
1319 
1320 	sc->sc_ah->ah_config.ah_debug = 0;
1321 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "debug", CTLFLAG_RW,
1322 	    &sc->sc_ah->ah_config.ah_debug, 0, "Atheros HAL debugging printfs");
1323 
1324 	sc->sc_ah->ah_config.ah_ar5416_biasadj = 0;
1325 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "ar5416_biasadj", CTLFLAG_RW,
1326 	    &sc->sc_ah->ah_config.ah_ar5416_biasadj, 0,
1327 	    "Enable 2GHz AR5416 direction sensitivity bias adjust");
1328 
1329 	sc->sc_ah->ah_config.ah_dma_beacon_response_time = 2;
1330 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "dma_brt", CTLFLAG_RW,
1331 	    &sc->sc_ah->ah_config.ah_dma_beacon_response_time, 0,
1332 	    "Atheros HAL DMA beacon response time");
1333 
1334 	sc->sc_ah->ah_config.ah_sw_beacon_response_time = 10;
1335 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "sw_brt", CTLFLAG_RW,
1336 	    &sc->sc_ah->ah_config.ah_sw_beacon_response_time, 0,
1337 	    "Atheros HAL software beacon response time");
1338 
1339 	sc->sc_ah->ah_config.ah_additional_swba_backoff = 0;
1340 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "swba_backoff", CTLFLAG_RW,
1341 	    &sc->sc_ah->ah_config.ah_additional_swba_backoff, 0,
1342 	    "Atheros HAL additional SWBA backoff time");
1343 
1344 	sc->sc_ah->ah_config.ah_force_full_reset = 0;
1345 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "force_full_reset", CTLFLAG_RW,
1346 	    &sc->sc_ah->ah_config.ah_force_full_reset, 0,
1347 	    "Force full chip reset rather than a warm reset");
1348 
1349 	/*
1350 	 * This is initialised by the driver.
1351 	 */
1352 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "serialise_reg_war", CTLFLAG_RW,
1353 	    &sc->sc_ah->ah_config.ah_serialise_reg_war, 0,
1354 	    "Force register access serialisation");
1355 }
1356