xref: /freebsd/sys/dev/ath/if_ath_sysctl.c (revision cc16dea626cf2fc80cde667ac4798065108e596c)
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_dl.h>
66 #include <net/if_media.h>
67 #include <net/if_types.h>
68 #include <net/if_arp.h>
69 #include <net/ethernet.h>
70 #include <net/if_llc.h>
71 
72 #include <net80211/ieee80211_var.h>
73 #include <net80211/ieee80211_regdomain.h>
74 #ifdef IEEE80211_SUPPORT_SUPERG
75 #include <net80211/ieee80211_superg.h>
76 #endif
77 #ifdef IEEE80211_SUPPORT_TDMA
78 #include <net80211/ieee80211_tdma.h>
79 #endif
80 
81 #include <net/bpf.h>
82 
83 #ifdef INET
84 #include <netinet/in.h>
85 #include <netinet/if_ether.h>
86 #endif
87 
88 #include <dev/ath/if_athvar.h>
89 #include <dev/ath/ath_hal/ah_devid.h>		/* XXX for softled */
90 #include <dev/ath/ath_hal/ah_diagcodes.h>
91 
92 #include <dev/ath/if_ath_debug.h>
93 #include <dev/ath/if_ath_led.h>
94 #include <dev/ath/if_ath_misc.h>
95 #include <dev/ath/if_ath_tx.h>
96 #include <dev/ath/if_ath_sysctl.h>
97 
98 #ifdef ATH_TX99_DIAG
99 #include <dev/ath/ath_tx99/ath_tx99.h>
100 #endif
101 
102 #ifdef	ATH_DEBUG_ALQ
103 #include <dev/ath/if_ath_alq.h>
104 #endif
105 
106 static int
107 ath_sysctl_slottime(SYSCTL_HANDLER_ARGS)
108 {
109 	struct ath_softc *sc = arg1;
110 	u_int slottime = ath_hal_getslottime(sc->sc_ah);
111 	int error;
112 
113 	error = sysctl_handle_int(oidp, &slottime, 0, req);
114 	if (error || !req->newptr)
115 		return error;
116 	return !ath_hal_setslottime(sc->sc_ah, slottime) ? EINVAL : 0;
117 }
118 
119 static int
120 ath_sysctl_acktimeout(SYSCTL_HANDLER_ARGS)
121 {
122 	struct ath_softc *sc = arg1;
123 	u_int acktimeout = ath_hal_getacktimeout(sc->sc_ah);
124 	int error;
125 
126 	error = sysctl_handle_int(oidp, &acktimeout, 0, req);
127 	if (error || !req->newptr)
128 		return error;
129 	return !ath_hal_setacktimeout(sc->sc_ah, acktimeout) ? EINVAL : 0;
130 }
131 
132 static int
133 ath_sysctl_ctstimeout(SYSCTL_HANDLER_ARGS)
134 {
135 	struct ath_softc *sc = arg1;
136 	u_int ctstimeout = ath_hal_getctstimeout(sc->sc_ah);
137 	int error;
138 
139 	error = sysctl_handle_int(oidp, &ctstimeout, 0, req);
140 	if (error || !req->newptr)
141 		return error;
142 	return !ath_hal_setctstimeout(sc->sc_ah, ctstimeout) ? EINVAL : 0;
143 }
144 
145 static int
146 ath_sysctl_softled(SYSCTL_HANDLER_ARGS)
147 {
148 	struct ath_softc *sc = arg1;
149 	int softled = sc->sc_softled;
150 	int error;
151 
152 	error = sysctl_handle_int(oidp, &softled, 0, req);
153 	if (error || !req->newptr)
154 		return error;
155 	softled = (softled != 0);
156 	if (softled != sc->sc_softled) {
157 		if (softled) {
158 			/* NB: handle any sc_ledpin change */
159 			ath_led_config(sc);
160 		}
161 		sc->sc_softled = softled;
162 	}
163 	return 0;
164 }
165 
166 static int
167 ath_sysctl_ledpin(SYSCTL_HANDLER_ARGS)
168 {
169 	struct ath_softc *sc = arg1;
170 	int ledpin = sc->sc_ledpin;
171 	int error;
172 
173 	error = sysctl_handle_int(oidp, &ledpin, 0, req);
174 	if (error || !req->newptr)
175 		return error;
176 	if (ledpin != sc->sc_ledpin) {
177 		sc->sc_ledpin = ledpin;
178 		if (sc->sc_softled) {
179 			ath_led_config(sc);
180 		}
181 	}
182 	return 0;
183 }
184 
185 static int
186 ath_sysctl_hardled(SYSCTL_HANDLER_ARGS)
187 {
188 	struct ath_softc *sc = arg1;
189 	int hardled = sc->sc_hardled;
190 	int error;
191 
192 	error = sysctl_handle_int(oidp, &hardled, 0, req);
193 	if (error || !req->newptr)
194 		return error;
195 	hardled = (hardled != 0);
196 	if (hardled != sc->sc_hardled) {
197 		if (hardled) {
198 			/* NB: handle any sc_ledpin change */
199 			ath_led_config(sc);
200 		}
201 		sc->sc_hardled = hardled;
202 	}
203 	return 0;
204 }
205 
206 static int
207 ath_sysctl_txantenna(SYSCTL_HANDLER_ARGS)
208 {
209 	struct ath_softc *sc = arg1;
210 	u_int txantenna = ath_hal_getantennaswitch(sc->sc_ah);
211 	int error;
212 
213 	error = sysctl_handle_int(oidp, &txantenna, 0, req);
214 	if (!error && req->newptr) {
215 		/* XXX assumes 2 antenna ports */
216 		if (txantenna < HAL_ANT_VARIABLE || txantenna > HAL_ANT_FIXED_B)
217 			return EINVAL;
218 		ath_hal_setantennaswitch(sc->sc_ah, txantenna);
219 		/*
220 		 * NB: with the switch locked this isn't meaningful,
221 		 *     but set it anyway so things like radiotap get
222 		 *     consistent info in their data.
223 		 */
224 		sc->sc_txantenna = txantenna;
225 	}
226 	return error;
227 }
228 
229 static int
230 ath_sysctl_rxantenna(SYSCTL_HANDLER_ARGS)
231 {
232 	struct ath_softc *sc = arg1;
233 	u_int defantenna = ath_hal_getdefantenna(sc->sc_ah);
234 	int error;
235 
236 	error = sysctl_handle_int(oidp, &defantenna, 0, req);
237 	if (!error && req->newptr)
238 		ath_hal_setdefantenna(sc->sc_ah, defantenna);
239 	return error;
240 }
241 
242 static int
243 ath_sysctl_diversity(SYSCTL_HANDLER_ARGS)
244 {
245 	struct ath_softc *sc = arg1;
246 	u_int diversity = ath_hal_getdiversity(sc->sc_ah);
247 	int error;
248 
249 	error = sysctl_handle_int(oidp, &diversity, 0, req);
250 	if (error || !req->newptr)
251 		return error;
252 	if (!ath_hal_setdiversity(sc->sc_ah, diversity))
253 		return EINVAL;
254 	sc->sc_diversity = diversity;
255 	return 0;
256 }
257 
258 static int
259 ath_sysctl_diag(SYSCTL_HANDLER_ARGS)
260 {
261 	struct ath_softc *sc = arg1;
262 	u_int32_t diag;
263 	int error;
264 
265 	if (!ath_hal_getdiag(sc->sc_ah, &diag))
266 		return EINVAL;
267 	error = sysctl_handle_int(oidp, &diag, 0, req);
268 	if (error || !req->newptr)
269 		return error;
270 	return !ath_hal_setdiag(sc->sc_ah, diag) ? EINVAL : 0;
271 }
272 
273 static int
274 ath_sysctl_tpscale(SYSCTL_HANDLER_ARGS)
275 {
276 	struct ath_softc *sc = arg1;
277 	struct ifnet *ifp = sc->sc_ifp;
278 	u_int32_t scale;
279 	int error;
280 
281 	(void) ath_hal_gettpscale(sc->sc_ah, &scale);
282 	error = sysctl_handle_int(oidp, &scale, 0, req);
283 	if (error || !req->newptr)
284 		return error;
285 	return !ath_hal_settpscale(sc->sc_ah, scale) ? EINVAL :
286 	    (ifp->if_drv_flags & IFF_DRV_RUNNING) ?
287 	      ath_reset(ifp, ATH_RESET_NOLOSS) : 0;
288 }
289 
290 static int
291 ath_sysctl_tpc(SYSCTL_HANDLER_ARGS)
292 {
293 	struct ath_softc *sc = arg1;
294 	u_int tpc = ath_hal_gettpc(sc->sc_ah);
295 	int error;
296 
297 	error = sysctl_handle_int(oidp, &tpc, 0, req);
298 	if (error || !req->newptr)
299 		return error;
300 	return !ath_hal_settpc(sc->sc_ah, tpc) ? EINVAL : 0;
301 }
302 
303 static int
304 ath_sysctl_rfkill(SYSCTL_HANDLER_ARGS)
305 {
306 	struct ath_softc *sc = arg1;
307 	struct ifnet *ifp = sc->sc_ifp;
308 	struct ath_hal *ah = sc->sc_ah;
309 	u_int rfkill = ath_hal_getrfkill(ah);
310 	int error;
311 
312 	error = sysctl_handle_int(oidp, &rfkill, 0, req);
313 	if (error || !req->newptr)
314 		return error;
315 	if (rfkill == ath_hal_getrfkill(ah))	/* unchanged */
316 		return 0;
317 	if (!ath_hal_setrfkill(ah, rfkill))
318 		return EINVAL;
319 	return (ifp->if_drv_flags & IFF_DRV_RUNNING) ?
320 	    ath_reset(ifp, ATH_RESET_FULL) : 0;
321 }
322 
323 static int
324 ath_sysctl_txagg(SYSCTL_HANDLER_ARGS)
325 {
326 	struct ath_softc *sc = arg1;
327 	int i, t, param = 0;
328 	int error;
329 	struct ath_buf *bf;
330 
331 	error = sysctl_handle_int(oidp, &param, 0, req);
332 	if (error || !req->newptr)
333 		return error;
334 
335 	if (param != 1)
336 		return 0;
337 
338 	printf("no tx bufs (empty list): %d\n", sc->sc_stats.ast_tx_getnobuf);
339 	printf("no tx bufs (was busy): %d\n", sc->sc_stats.ast_tx_getbusybuf);
340 
341 	printf("aggr single packet: %d\n",
342 	    sc->sc_aggr_stats.aggr_single_pkt);
343 	printf("aggr single packet w/ BAW closed: %d\n",
344 	    sc->sc_aggr_stats.aggr_baw_closed_single_pkt);
345 	printf("aggr non-baw packet: %d\n",
346 	    sc->sc_aggr_stats.aggr_nonbaw_pkt);
347 	printf("aggr aggregate packet: %d\n",
348 	    sc->sc_aggr_stats.aggr_aggr_pkt);
349 	printf("aggr single packet low hwq: %d\n",
350 	    sc->sc_aggr_stats.aggr_low_hwq_single_pkt);
351 	printf("aggr single packet RTS aggr limited: %d\n",
352 	    sc->sc_aggr_stats.aggr_rts_aggr_limited);
353 	printf("aggr sched, no work: %d\n",
354 	    sc->sc_aggr_stats.aggr_sched_nopkt);
355 	for (i = 0; i < 64; i++) {
356 		printf("%2d: %10d ", i, sc->sc_aggr_stats.aggr_pkts[i]);
357 		if (i % 4 == 3)
358 			printf("\n");
359 	}
360 	printf("\n");
361 
362 	for (i = 0; i < HAL_NUM_TX_QUEUES; i++) {
363 		if (ATH_TXQ_SETUP(sc, i)) {
364 			printf("HW TXQ %d: axq_depth=%d, axq_aggr_depth=%d, "
365 			    "axq_fifo_depth=%d, holdingbf=%p\n",
366 			    i,
367 			    sc->sc_txq[i].axq_depth,
368 			    sc->sc_txq[i].axq_aggr_depth,
369 			    sc->sc_txq[i].axq_fifo_depth,
370 			    sc->sc_txq[i].axq_holdingbf);
371 		}
372 	}
373 
374 	i = t = 0;
375 	ATH_TXBUF_LOCK(sc);
376 	TAILQ_FOREACH(bf, &sc->sc_txbuf, bf_list) {
377 		if (bf->bf_flags & ATH_BUF_BUSY) {
378 			printf("Busy: %d\n", t);
379 			i++;
380 		}
381 		t++;
382 	}
383 	ATH_TXBUF_UNLOCK(sc);
384 	printf("Total TX buffers: %d; Total TX buffers busy: %d (%d)\n",
385 	    t, i, sc->sc_txbuf_cnt);
386 
387 	i = t = 0;
388 	ATH_TXBUF_LOCK(sc);
389 	TAILQ_FOREACH(bf, &sc->sc_txbuf_mgmt, bf_list) {
390 		if (bf->bf_flags & ATH_BUF_BUSY) {
391 			printf("Busy: %d\n", t);
392 			i++;
393 		}
394 		t++;
395 	}
396 	ATH_TXBUF_UNLOCK(sc);
397 	printf("Total mgmt TX buffers: %d; Total mgmt TX buffers busy: %d\n",
398 	    t, i);
399 
400 	ATH_RX_LOCK(sc);
401 	for (i = 0; i < 2; i++) {
402 		printf("%d: fifolen: %d/%d; head=%d; tail=%d\n",
403 		    i,
404 		    sc->sc_rxedma[i].m_fifo_depth,
405 		    sc->sc_rxedma[i].m_fifolen,
406 		    sc->sc_rxedma[i].m_fifo_head,
407 		    sc->sc_rxedma[i].m_fifo_tail);
408 	}
409 	i = 0;
410 	TAILQ_FOREACH(bf, &sc->sc_rxbuf, bf_list) {
411 		i++;
412 	}
413 	printf("Total RX buffers in free list: %d buffers\n",
414 	    i);
415 	ATH_RX_UNLOCK(sc);
416 
417 	return 0;
418 }
419 
420 static int
421 ath_sysctl_rfsilent(SYSCTL_HANDLER_ARGS)
422 {
423 	struct ath_softc *sc = arg1;
424 	u_int rfsilent;
425 	int error;
426 
427 	(void) ath_hal_getrfsilent(sc->sc_ah, &rfsilent);
428 	error = sysctl_handle_int(oidp, &rfsilent, 0, req);
429 	if (error || !req->newptr)
430 		return error;
431 	if (!ath_hal_setrfsilent(sc->sc_ah, rfsilent))
432 		return EINVAL;
433 	sc->sc_rfsilentpin = rfsilent & 0x1c;
434 	sc->sc_rfsilentpol = (rfsilent & 0x2) != 0;
435 	return 0;
436 }
437 
438 static int
439 ath_sysctl_tpack(SYSCTL_HANDLER_ARGS)
440 {
441 	struct ath_softc *sc = arg1;
442 	u_int32_t tpack;
443 	int error;
444 
445 	(void) ath_hal_gettpack(sc->sc_ah, &tpack);
446 	error = sysctl_handle_int(oidp, &tpack, 0, req);
447 	if (error || !req->newptr)
448 		return error;
449 	return !ath_hal_settpack(sc->sc_ah, tpack) ? EINVAL : 0;
450 }
451 
452 static int
453 ath_sysctl_tpcts(SYSCTL_HANDLER_ARGS)
454 {
455 	struct ath_softc *sc = arg1;
456 	u_int32_t tpcts;
457 	int error;
458 
459 	(void) ath_hal_gettpcts(sc->sc_ah, &tpcts);
460 	error = sysctl_handle_int(oidp, &tpcts, 0, req);
461 	if (error || !req->newptr)
462 		return error;
463 	return !ath_hal_settpcts(sc->sc_ah, tpcts) ? EINVAL : 0;
464 }
465 
466 static int
467 ath_sysctl_intmit(SYSCTL_HANDLER_ARGS)
468 {
469 	struct ath_softc *sc = arg1;
470 	int intmit, error;
471 
472 	intmit = ath_hal_getintmit(sc->sc_ah);
473 	error = sysctl_handle_int(oidp, &intmit, 0, req);
474 	if (error || !req->newptr)
475 		return error;
476 
477 	/* reusing error; 1 here means "good"; 0 means "fail" */
478 	error = ath_hal_setintmit(sc->sc_ah, intmit);
479 	if (! error)
480 		return EINVAL;
481 
482 	/*
483 	 * Reset the hardware here - disabling ANI in the HAL
484 	 * doesn't reset ANI related registers, so it'll leave
485 	 * things in an inconsistent state.
486 	 */
487 	if (sc->sc_ifp->if_drv_flags & IFF_DRV_RUNNING)
488 		ath_reset(sc->sc_ifp, ATH_RESET_NOLOSS);
489 
490 	return 0;
491 }
492 
493 #ifdef IEEE80211_SUPPORT_TDMA
494 static int
495 ath_sysctl_setcca(SYSCTL_HANDLER_ARGS)
496 {
497 	struct ath_softc *sc = arg1;
498 	int setcca, error;
499 
500 	setcca = sc->sc_setcca;
501 	error = sysctl_handle_int(oidp, &setcca, 0, req);
502 	if (error || !req->newptr)
503 		return error;
504 	sc->sc_setcca = (setcca != 0);
505 	return 0;
506 }
507 #endif /* IEEE80211_SUPPORT_TDMA */
508 
509 static int
510 ath_sysctl_forcebstuck(SYSCTL_HANDLER_ARGS)
511 {
512 	struct ath_softc *sc = arg1;
513 	int val = 0;
514 	int error;
515 
516 	error = sysctl_handle_int(oidp, &val, 0, req);
517 	if (error || !req->newptr)
518 		return error;
519 	if (val == 0)
520 		return 0;
521 
522 	taskqueue_enqueue_fast(sc->sc_tq, &sc->sc_bstucktask);
523 	val = 0;
524 	return 0;
525 }
526 
527 static int
528 ath_sysctl_hangcheck(SYSCTL_HANDLER_ARGS)
529 {
530 	struct ath_softc *sc = arg1;
531 	int val = 0;
532 	int error;
533 	uint32_t mask = 0xffffffff;
534 	uint32_t *sp;
535 	uint32_t rsize;
536 	struct ath_hal *ah = sc->sc_ah;
537 
538 	error = sysctl_handle_int(oidp, &val, 0, req);
539 	if (error || !req->newptr)
540 		return error;
541 	if (val == 0)
542 		return 0;
543 
544 	/* Do a hang check */
545 	if (!ath_hal_getdiagstate(ah, HAL_DIAG_CHECK_HANGS,
546 	    &mask, sizeof(mask),
547 	    (void *) &sp, &rsize))
548 		return (0);
549 	device_printf(sc->sc_dev, "%s: sp=0x%08x\n", __func__, *sp);
550 
551 	val = 0;
552 	return 0;
553 }
554 
555 #ifdef ATH_DEBUG_ALQ
556 static int
557 ath_sysctl_alq_log(SYSCTL_HANDLER_ARGS)
558 {
559 	struct ath_softc *sc = arg1;
560 	int error, enable;
561 
562 	enable = (sc->sc_alq.sc_alq_isactive);
563 
564 	error = sysctl_handle_int(oidp, &enable, 0, req);
565 	if (error || !req->newptr)
566 		return (error);
567 	else if (enable)
568 		error = if_ath_alq_start(&sc->sc_alq);
569 	else
570 		error = if_ath_alq_stop(&sc->sc_alq);
571 	return (error);
572 }
573 
574 /*
575  * Attach the ALQ debugging if required.
576  */
577 static void
578 ath_sysctl_alq_attach(struct ath_softc *sc)
579 {
580 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
581 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
582 	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
583 
584 	tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "alq", CTLFLAG_RD,
585 	    NULL, "Atheros ALQ logging parameters");
586 	child = SYSCTL_CHILDREN(tree);
587 
588 	SYSCTL_ADD_STRING(ctx, child, OID_AUTO, "filename",
589 	    CTLFLAG_RW, sc->sc_alq.sc_alq_filename, 0, "ALQ filename");
590 
591 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
592 		"enable", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
593 		ath_sysctl_alq_log, "I", "");
594 
595 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
596 		"debugmask", CTLFLAG_RW, &sc->sc_alq.sc_alq_debug, 0,
597 		"ALQ debug mask");
598 
599 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
600 		"numlost", CTLFLAG_RW, &sc->sc_alq.sc_alq_numlost, 0,
601 		"number lost");
602 }
603 #endif /* ATH_DEBUG_ALQ */
604 
605 void
606 ath_sysctlattach(struct ath_softc *sc)
607 {
608 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
609 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
610 	struct ath_hal *ah = sc->sc_ah;
611 
612 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
613 		"countrycode", CTLFLAG_RD, &sc->sc_eecc, 0,
614 		"EEPROM country code");
615 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
616 		"regdomain", CTLFLAG_RD, &sc->sc_eerd, 0,
617 		"EEPROM regdomain code");
618 #ifdef	ATH_DEBUG
619 	SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
620 		"debug", CTLFLAG_RW, &sc->sc_debug,
621 		"control debugging printfs");
622 #endif
623 #ifdef	ATH_DEBUG_ALQ
624 	SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
625 		"ktrdebug", CTLFLAG_RW, &sc->sc_ktrdebug,
626 		"control debugging KTR");
627 #endif /* ATH_DEBUG_ALQ */
628 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
629 		"slottime", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
630 		ath_sysctl_slottime, "I", "802.11 slot time (us)");
631 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
632 		"acktimeout", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
633 		ath_sysctl_acktimeout, "I", "802.11 ACK timeout (us)");
634 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
635 		"ctstimeout", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
636 		ath_sysctl_ctstimeout, "I", "802.11 CTS timeout (us)");
637 
638 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
639 		"softled", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
640 		ath_sysctl_softled, "I", "enable/disable software LED support");
641 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
642 		"ledpin", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
643 		ath_sysctl_ledpin, "I", "GPIO pin connected to LED");
644 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
645 		"ledon", CTLFLAG_RW, &sc->sc_ledon, 0,
646 		"setting to turn LED on");
647 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
648 		"ledidle", CTLFLAG_RW, &sc->sc_ledidle, 0,
649 		"idle time for inactivity LED (ticks)");
650 
651 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
652 		"hardled", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
653 		ath_sysctl_hardled, "I", "enable/disable hardware LED support");
654 	/* XXX Laziness - configure pins, then flip hardled off/on */
655 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
656 		"led_net_pin", CTLFLAG_RW, &sc->sc_led_net_pin, 0,
657 		"MAC Network LED pin, or -1 to disable");
658 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
659 		"led_pwr_pin", CTLFLAG_RW, &sc->sc_led_pwr_pin, 0,
660 		"MAC Power LED pin, or -1 to disable");
661 
662 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
663 		"txantenna", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
664 		ath_sysctl_txantenna, "I", "antenna switch");
665 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
666 		"rxantenna", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
667 		ath_sysctl_rxantenna, "I", "default/rx antenna");
668 	if (ath_hal_hasdiversity(ah))
669 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
670 			"diversity", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
671 			ath_sysctl_diversity, "I", "antenna diversity");
672 	sc->sc_txintrperiod = ATH_TXINTR_PERIOD;
673 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
674 		"txintrperiod", CTLFLAG_RW, &sc->sc_txintrperiod, 0,
675 		"tx descriptor batching");
676 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
677 		"diag", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
678 		ath_sysctl_diag, "I", "h/w diagnostic control");
679 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
680 		"tpscale", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
681 		ath_sysctl_tpscale, "I", "tx power scaling");
682 	if (ath_hal_hastpc(ah)) {
683 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
684 			"tpc", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
685 			ath_sysctl_tpc, "I", "enable/disable per-packet TPC");
686 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
687 			"tpack", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
688 			ath_sysctl_tpack, "I", "tx power for ack frames");
689 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
690 			"tpcts", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
691 			ath_sysctl_tpcts, "I", "tx power for cts frames");
692 	}
693 	if (ath_hal_hasrfsilent(ah)) {
694 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
695 			"rfsilent", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
696 			ath_sysctl_rfsilent, "I", "h/w RF silent config");
697 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
698 			"rfkill", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
699 			ath_sysctl_rfkill, "I", "enable/disable RF kill switch");
700 	}
701 
702 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
703 		"txagg", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
704 		ath_sysctl_txagg, "I", "");
705 
706 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
707 		"forcebstuck", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
708 		ath_sysctl_forcebstuck, "I", "");
709 
710 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
711 		"hangcheck", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
712 		ath_sysctl_hangcheck, "I", "");
713 
714 	if (ath_hal_hasintmit(ah)) {
715 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
716 			"intmit", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
717 			ath_sysctl_intmit, "I", "interference mitigation");
718 	}
719 	sc->sc_monpass = HAL_RXERR_DECRYPT | HAL_RXERR_MIC;
720 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
721 		"monpass", CTLFLAG_RW, &sc->sc_monpass, 0,
722 		"mask of error frames to pass when monitoring");
723 
724 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
725 		"hwq_limit_nonaggr", CTLFLAG_RW, &sc->sc_hwq_limit_nonaggr, 0,
726 		"Hardware non-AMPDU queue depth before software-queuing TX frames");
727 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
728 		"hwq_limit_aggr", CTLFLAG_RW, &sc->sc_hwq_limit_aggr, 0,
729 		"Hardware AMPDU queue depth before software-queuing TX frames");
730 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
731 		"tid_hwq_lo", CTLFLAG_RW, &sc->sc_tid_hwq_lo, 0,
732 		"");
733 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
734 		"tid_hwq_hi", CTLFLAG_RW, &sc->sc_tid_hwq_hi, 0,
735 		"");
736 
737 	/* Aggregate length twiddles */
738 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
739 		"aggr_limit", CTLFLAG_RW, &sc->sc_aggr_limit, 0,
740 		"Maximum A-MPDU size, or 0 for 'default'");
741 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
742 		"rts_aggr_limit", CTLFLAG_RW, &sc->sc_rts_aggr_limit, 0,
743 		"Maximum A-MPDU size for RTS-protected frames, or '0' "
744 		"for default");
745 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
746 		"delim_min_pad", CTLFLAG_RW, &sc->sc_delim_min_pad, 0,
747 		"Enforce a minimum number of delimiters per A-MPDU "
748 		" sub-frame");
749 
750 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
751 		"txq_data_minfree", CTLFLAG_RW, &sc->sc_txq_data_minfree,
752 		0, "Minimum free buffers before adding a data frame"
753 		" to the TX queue");
754 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
755 		"txq_mcastq_maxdepth", CTLFLAG_RW,
756 		&sc->sc_txq_mcastq_maxdepth, 0,
757 		"Maximum buffer depth for multicast/broadcast frames");
758 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
759 		"txq_node_maxdepth", CTLFLAG_RW,
760 		&sc->sc_txq_node_maxdepth, 0,
761 		"Maximum buffer depth for a single node");
762 
763 #if 0
764 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
765 		"cabq_enable", CTLFLAG_RW,
766 		&sc->sc_cabq_enable, 0,
767 		"Whether to transmit on the CABQ or not");
768 #endif
769 
770 #ifdef IEEE80211_SUPPORT_TDMA
771 	if (ath_hal_macversion(ah) > 0x78) {
772 		sc->sc_tdmadbaprep = 2;
773 		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
774 			"dbaprep", CTLFLAG_RW, &sc->sc_tdmadbaprep, 0,
775 			"TDMA DBA preparation time");
776 		sc->sc_tdmaswbaprep = 10;
777 		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
778 			"swbaprep", CTLFLAG_RW, &sc->sc_tdmaswbaprep, 0,
779 			"TDMA SWBA preparation time");
780 		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
781 			"guardtime", CTLFLAG_RW, &sc->sc_tdmaguard, 0,
782 			"TDMA slot guard time");
783 		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
784 			"superframe", CTLFLAG_RD, &sc->sc_tdmabintval, 0,
785 			"TDMA calculated super frame");
786 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
787 			"setcca", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
788 			ath_sysctl_setcca, "I", "enable CCA control");
789 	}
790 #endif
791 
792 #ifdef	ATH_DEBUG_ALQ
793 	ath_sysctl_alq_attach(sc);
794 #endif
795 }
796 
797 static int
798 ath_sysctl_clearstats(SYSCTL_HANDLER_ARGS)
799 {
800 	struct ath_softc *sc = arg1;
801 	int val = 0;
802 	int error;
803 
804 	error = sysctl_handle_int(oidp, &val, 0, req);
805 	if (error || !req->newptr)
806 		return error;
807 	if (val == 0)
808 		return 0;       /* Not clearing the stats is still valid */
809 	memset(&sc->sc_stats, 0, sizeof(sc->sc_stats));
810 	memset(&sc->sc_aggr_stats, 0, sizeof(sc->sc_aggr_stats));
811 	memset(&sc->sc_intr_stats, 0, sizeof(sc->sc_intr_stats));
812 
813 	val = 0;
814 	return 0;
815 }
816 
817 static void
818 ath_sysctl_stats_attach_rxphyerr(struct ath_softc *sc, struct sysctl_oid_list *parent)
819 {
820 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
821 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
822 	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
823 	int i;
824 	char sn[8];
825 
826 	tree = SYSCTL_ADD_NODE(ctx, parent, OID_AUTO, "rx_phy_err", CTLFLAG_RD, NULL, "Per-code RX PHY Errors");
827 	child = SYSCTL_CHILDREN(tree);
828 	for (i = 0; i < 64; i++) {
829 		snprintf(sn, sizeof(sn), "%d", i);
830 		SYSCTL_ADD_UINT(ctx, child, OID_AUTO, sn, CTLFLAG_RD, &sc->sc_stats.ast_rx_phy[i], 0, "");
831 	}
832 }
833 
834 static void
835 ath_sysctl_stats_attach_intr(struct ath_softc *sc,
836     struct sysctl_oid_list *parent)
837 {
838 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
839 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
840 	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
841 	int i;
842 	char sn[8];
843 
844 	tree = SYSCTL_ADD_NODE(ctx, parent, OID_AUTO, "sync_intr",
845 	    CTLFLAG_RD, NULL, "Sync interrupt statistics");
846 	child = SYSCTL_CHILDREN(tree);
847 	for (i = 0; i < 32; i++) {
848 		snprintf(sn, sizeof(sn), "%d", i);
849 		SYSCTL_ADD_UINT(ctx, child, OID_AUTO, sn, CTLFLAG_RD,
850 		    &sc->sc_intr_stats.sync_intr[i], 0, "");
851 	}
852 }
853 
854 void
855 ath_sysctl_stats_attach(struct ath_softc *sc)
856 {
857 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
858 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
859 	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
860 
861 	/* Create "clear" node */
862 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
863 	    "clear_stats", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
864 	    ath_sysctl_clearstats, "I", "clear stats");
865 
866 	/* Create stats node */
867 	tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD,
868 	    NULL, "Statistics");
869 	child = SYSCTL_CHILDREN(tree);
870 
871 	/* This was generated from if_athioctl.h */
872 
873 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_watchdog", CTLFLAG_RD,
874 	    &sc->sc_stats.ast_watchdog, 0, "device reset by watchdog");
875 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_hardware", CTLFLAG_RD,
876 	    &sc->sc_stats.ast_hardware, 0, "fatal hardware error interrupts");
877 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bmiss", CTLFLAG_RD,
878 	    &sc->sc_stats.ast_bmiss, 0, "beacon miss interrupts");
879 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bmiss_phantom", CTLFLAG_RD,
880 	    &sc->sc_stats.ast_bmiss_phantom, 0, "beacon miss interrupts");
881 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bstuck", CTLFLAG_RD,
882 	    &sc->sc_stats.ast_bstuck, 0, "beacon stuck interrupts");
883 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rxorn", CTLFLAG_RD,
884 	    &sc->sc_stats.ast_rxorn, 0, "rx overrun interrupts");
885 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rxeol", CTLFLAG_RD,
886 	    &sc->sc_stats.ast_rxeol, 0, "rx eol interrupts");
887 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_txurn", CTLFLAG_RD,
888 	    &sc->sc_stats.ast_txurn, 0, "tx underrun interrupts");
889 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_mib", CTLFLAG_RD,
890 	    &sc->sc_stats.ast_mib, 0, "mib interrupts");
891 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_intrcoal", CTLFLAG_RD,
892 	    &sc->sc_stats.ast_intrcoal, 0, "interrupts coalesced");
893 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_packets", CTLFLAG_RD,
894 	    &sc->sc_stats.ast_tx_packets, 0, "packet sent on the interface");
895 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_mgmt", CTLFLAG_RD,
896 	    &sc->sc_stats.ast_tx_mgmt, 0, "management frames transmitted");
897 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_discard", CTLFLAG_RD,
898 	    &sc->sc_stats.ast_tx_discard, 0, "frames discarded prior to assoc");
899 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_qstop", CTLFLAG_RD,
900 	    &sc->sc_stats.ast_tx_qstop, 0, "output stopped 'cuz no buffer");
901 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_encap", CTLFLAG_RD,
902 	    &sc->sc_stats.ast_tx_encap, 0, "tx encapsulation failed");
903 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nonode", CTLFLAG_RD,
904 	    &sc->sc_stats.ast_tx_nonode, 0, "tx failed 'cuz no node");
905 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nombuf", CTLFLAG_RD,
906 	    &sc->sc_stats.ast_tx_nombuf, 0, "tx failed 'cuz no mbuf");
907 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nomcl", CTLFLAG_RD,
908 	    &sc->sc_stats.ast_tx_nomcl, 0, "tx failed 'cuz no cluster");
909 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_linear", CTLFLAG_RD,
910 	    &sc->sc_stats.ast_tx_linear, 0, "tx linearized to cluster");
911 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nodata", CTLFLAG_RD,
912 	    &sc->sc_stats.ast_tx_nodata, 0, "tx discarded empty frame");
913 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_busdma", CTLFLAG_RD,
914 	    &sc->sc_stats.ast_tx_busdma, 0, "tx failed for dma resrcs");
915 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_xretries", CTLFLAG_RD,
916 	    &sc->sc_stats.ast_tx_xretries, 0, "tx failed 'cuz too many retries");
917 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_fifoerr", CTLFLAG_RD,
918 	    &sc->sc_stats.ast_tx_fifoerr, 0, "tx failed 'cuz FIFO underrun");
919 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_filtered", CTLFLAG_RD,
920 	    &sc->sc_stats.ast_tx_filtered, 0, "tx failed 'cuz xmit filtered");
921 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_shortretry", CTLFLAG_RD,
922 	    &sc->sc_stats.ast_tx_shortretry, 0, "tx on-chip retries (short)");
923 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_longretry", CTLFLAG_RD,
924 	    &sc->sc_stats.ast_tx_longretry, 0, "tx on-chip retries (long)");
925 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_badrate", CTLFLAG_RD,
926 	    &sc->sc_stats.ast_tx_badrate, 0, "tx failed 'cuz bogus xmit rate");
927 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_noack", CTLFLAG_RD,
928 	    &sc->sc_stats.ast_tx_noack, 0, "tx frames with no ack marked");
929 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_rts", CTLFLAG_RD,
930 	    &sc->sc_stats.ast_tx_rts, 0, "tx frames with rts enabled");
931 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_cts", CTLFLAG_RD,
932 	    &sc->sc_stats.ast_tx_cts, 0, "tx frames with cts enabled");
933 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_shortpre", CTLFLAG_RD,
934 	    &sc->sc_stats.ast_tx_shortpre, 0, "tx frames with short preamble");
935 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_altrate", CTLFLAG_RD,
936 	    &sc->sc_stats.ast_tx_altrate, 0, "tx frames with alternate rate");
937 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_protect", CTLFLAG_RD,
938 	    &sc->sc_stats.ast_tx_protect, 0, "tx frames with protection");
939 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_ctsburst", CTLFLAG_RD,
940 	    &sc->sc_stats.ast_tx_ctsburst, 0, "tx frames with cts and bursting");
941 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_ctsext", CTLFLAG_RD,
942 	    &sc->sc_stats.ast_tx_ctsext, 0, "tx frames with cts extension");
943 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_nombuf", CTLFLAG_RD,
944 	    &sc->sc_stats.ast_rx_nombuf, 0, "rx setup failed 'cuz no mbuf");
945 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_busdma", CTLFLAG_RD,
946 	    &sc->sc_stats.ast_rx_busdma, 0, "rx setup failed for dma resrcs");
947 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_orn", CTLFLAG_RD,
948 	    &sc->sc_stats.ast_rx_orn, 0, "rx failed 'cuz of desc overrun");
949 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_crcerr", CTLFLAG_RD,
950 	    &sc->sc_stats.ast_rx_crcerr, 0, "rx failed 'cuz of bad CRC");
951 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_fifoerr", CTLFLAG_RD,
952 	    &sc->sc_stats.ast_rx_fifoerr, 0, "rx failed 'cuz of FIFO overrun");
953 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_badcrypt", CTLFLAG_RD,
954 	    &sc->sc_stats.ast_rx_badcrypt, 0, "rx failed 'cuz decryption");
955 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_badmic", CTLFLAG_RD,
956 	    &sc->sc_stats.ast_rx_badmic, 0, "rx failed 'cuz MIC failure");
957 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_phyerr", CTLFLAG_RD,
958 	    &sc->sc_stats.ast_rx_phyerr, 0, "rx failed 'cuz of PHY err");
959 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_tooshort", CTLFLAG_RD,
960 	    &sc->sc_stats.ast_rx_tooshort, 0, "rx discarded 'cuz frame too short");
961 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_toobig", CTLFLAG_RD,
962 	    &sc->sc_stats.ast_rx_toobig, 0, "rx discarded 'cuz frame too large");
963 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_packets", CTLFLAG_RD,
964 	    &sc->sc_stats.ast_rx_packets, 0, "packet recv on the interface");
965 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_mgt", CTLFLAG_RD,
966 	    &sc->sc_stats.ast_rx_mgt, 0, "management frames received");
967 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_ctl", CTLFLAG_RD,
968 	    &sc->sc_stats.ast_rx_ctl, 0, "rx discarded 'cuz ctl frame");
969 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_xmit", CTLFLAG_RD,
970 	    &sc->sc_stats.ast_be_xmit, 0, "beacons transmitted");
971 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_nombuf", CTLFLAG_RD,
972 	    &sc->sc_stats.ast_be_nombuf, 0, "beacon setup failed 'cuz no mbuf");
973 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_cal", CTLFLAG_RD,
974 	    &sc->sc_stats.ast_per_cal, 0, "periodic calibration calls");
975 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_calfail", CTLFLAG_RD,
976 	    &sc->sc_stats.ast_per_calfail, 0, "periodic calibration failed");
977 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_rfgain", CTLFLAG_RD,
978 	    &sc->sc_stats.ast_per_rfgain, 0, "periodic calibration rfgain reset");
979 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_calls", CTLFLAG_RD,
980 	    &sc->sc_stats.ast_rate_calls, 0, "rate control checks");
981 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_raise", CTLFLAG_RD,
982 	    &sc->sc_stats.ast_rate_raise, 0, "rate control raised xmit rate");
983 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_drop", CTLFLAG_RD,
984 	    &sc->sc_stats.ast_rate_drop, 0, "rate control dropped xmit rate");
985 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ant_defswitch", CTLFLAG_RD,
986 	    &sc->sc_stats.ast_ant_defswitch, 0, "rx/default antenna switches");
987 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ant_txswitch", CTLFLAG_RD,
988 	    &sc->sc_stats.ast_ant_txswitch, 0, "tx antenna switches");
989 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_cabq_xmit", CTLFLAG_RD,
990 	    &sc->sc_stats.ast_cabq_xmit, 0, "cabq frames transmitted");
991 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_cabq_busy", CTLFLAG_RD,
992 	    &sc->sc_stats.ast_cabq_busy, 0, "cabq found busy");
993 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_raw", CTLFLAG_RD,
994 	    &sc->sc_stats.ast_tx_raw, 0, "tx frames through raw api");
995 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_txok", CTLFLAG_RD,
996 	    &sc->sc_stats.ast_ff_txok, 0, "fast frames tx'd successfully");
997 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_txerr", CTLFLAG_RD,
998 	    &sc->sc_stats.ast_ff_txerr, 0, "fast frames tx'd w/ error");
999 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_rx", CTLFLAG_RD,
1000 	    &sc->sc_stats.ast_ff_rx, 0, "fast frames rx'd");
1001 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_flush", CTLFLAG_RD,
1002 	    &sc->sc_stats.ast_ff_flush, 0, "fast frames flushed from staging q");
1003 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_qfull", CTLFLAG_RD,
1004 	    &sc->sc_stats.ast_tx_qfull, 0, "tx dropped 'cuz of queue limit");
1005 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nobuf", CTLFLAG_RD,
1006 	    &sc->sc_stats.ast_tx_nobuf, 0, "tx dropped 'cuz no ath buffer");
1007 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_update", CTLFLAG_RD,
1008 	    &sc->sc_stats.ast_tdma_update, 0, "TDMA slot timing updates");
1009 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_timers", CTLFLAG_RD,
1010 	    &sc->sc_stats.ast_tdma_timers, 0, "TDMA slot update set beacon timers");
1011 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_tsf", CTLFLAG_RD,
1012 	    &sc->sc_stats.ast_tdma_tsf, 0, "TDMA slot update set TSF");
1013 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_ack", CTLFLAG_RD,
1014 	    &sc->sc_stats.ast_tdma_ack, 0, "TDMA tx failed 'cuz ACK required");
1015 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_raw_fail", CTLFLAG_RD,
1016 	    &sc->sc_stats.ast_tx_raw_fail, 0, "raw tx failed 'cuz h/w down");
1017 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nofrag", CTLFLAG_RD,
1018 	    &sc->sc_stats.ast_tx_nofrag, 0, "tx dropped 'cuz no ath frag buffer");
1019 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_missed", CTLFLAG_RD,
1020 	    &sc->sc_stats.ast_be_missed, 0, "number of -missed- beacons");
1021 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ani_cal", CTLFLAG_RD,
1022 	    &sc->sc_stats.ast_ani_cal, 0, "number of ANI polls");
1023 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_agg", CTLFLAG_RD,
1024 	    &sc->sc_stats.ast_rx_agg, 0, "number of aggregate frames received");
1025 
1026 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_halfgi", CTLFLAG_RD,
1027 	    &sc->sc_stats.ast_rx_halfgi, 0, "number of frames received with half-GI");
1028 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_2040", CTLFLAG_RD,
1029 	    &sc->sc_stats.ast_rx_2040, 0, "number of HT/40 frames received");
1030 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_pre_crc_err", CTLFLAG_RD,
1031 	    &sc->sc_stats.ast_rx_pre_crc_err, 0, "number of delimeter-CRC errors detected");
1032 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_post_crc_err", CTLFLAG_RD,
1033 	    &sc->sc_stats.ast_rx_post_crc_err, 0, "number of post-delimiter CRC errors detected");
1034 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_decrypt_busy_err", CTLFLAG_RD,
1035 	    &sc->sc_stats.ast_rx_decrypt_busy_err, 0, "number of frames received w/ busy decrypt engine");
1036 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_hi_rx_chain", CTLFLAG_RD,
1037 	    &sc->sc_stats.ast_rx_hi_rx_chain, 0, "");
1038 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_htprotect", CTLFLAG_RD,
1039 	    &sc->sc_stats.ast_tx_htprotect, 0, "HT tx frames with protection");
1040 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_hitqueueend", CTLFLAG_RD,
1041 	    &sc->sc_stats.ast_rx_hitqueueend, 0, "RX hit queue end");
1042 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_timeout", CTLFLAG_RD,
1043 	    &sc->sc_stats.ast_tx_timeout, 0, "TX Global Timeout");
1044 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_cst", CTLFLAG_RD,
1045 	    &sc->sc_stats.ast_tx_cst, 0, "TX Carrier Sense Timeout");
1046 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_xtxop", CTLFLAG_RD,
1047 	    &sc->sc_stats.ast_tx_xtxop, 0, "TX exceeded TXOP");
1048 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_timerexpired", CTLFLAG_RD,
1049 	    &sc->sc_stats.ast_tx_timerexpired, 0, "TX exceeded TX_TIMER register");
1050 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_desccfgerr", CTLFLAG_RD,
1051 	    &sc->sc_stats.ast_tx_desccfgerr, 0, "TX Descriptor Cfg Error");
1052 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_swretries", CTLFLAG_RD,
1053 	    &sc->sc_stats.ast_tx_swretries, 0, "TX software retry count");
1054 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_swretrymax", CTLFLAG_RD,
1055 	    &sc->sc_stats.ast_tx_swretrymax, 0, "TX software retry max reached");
1056 
1057 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_data_underrun", CTLFLAG_RD,
1058 	    &sc->sc_stats.ast_tx_data_underrun, 0, "");
1059 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_delim_underrun", CTLFLAG_RD,
1060 	    &sc->sc_stats.ast_tx_delim_underrun, 0, "");
1061 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_failall", CTLFLAG_RD,
1062 	    &sc->sc_stats.ast_tx_aggr_failall, 0,
1063 	    "Number of aggregate TX failures (whole frame)");
1064 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_ok", CTLFLAG_RD,
1065 	    &sc->sc_stats.ast_tx_aggr_ok, 0,
1066 	    "Number of aggregate TX OK completions (subframe)");
1067 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_fail", CTLFLAG_RD,
1068 	    &sc->sc_stats.ast_tx_aggr_fail, 0,
1069 	    "Number of aggregate TX failures (subframe)");
1070 
1071 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_intr", CTLFLAG_RD,
1072 	    &sc->sc_stats.ast_rx_intr, 0, "RX interrupts");
1073 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_intr", CTLFLAG_RD,
1074 	    &sc->sc_stats.ast_tx_intr, 0, "TX interrupts");
1075 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_mcastq_overflow",
1076 	    CTLFLAG_RD, &sc->sc_stats.ast_tx_mcastq_overflow, 0,
1077 	    "Number of multicast frames exceeding maximum mcast queue depth");
1078 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_keymiss", CTLFLAG_RD,
1079 	    &sc->sc_stats.ast_rx_keymiss, 0, "");
1080 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_swfiltered", CTLFLAG_RD,
1081 	    &sc->sc_stats.ast_tx_swfiltered, 0, "");
1082 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_stbc",
1083 	    CTLFLAG_RD, &sc->sc_stats.ast_rx_stbc, 0,
1084 	    "Number of STBC frames received");
1085 
1086 	/* Attach the RX phy error array */
1087 	ath_sysctl_stats_attach_rxphyerr(sc, child);
1088 
1089 	/* Attach the interrupt statistics array */
1090 	ath_sysctl_stats_attach_intr(sc, child);
1091 }
1092 
1093 /*
1094  * This doesn't necessarily belong here (because it's HAL related, not
1095  * driver related).
1096  */
1097 void
1098 ath_sysctl_hal_attach(struct ath_softc *sc)
1099 {
1100 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
1101 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
1102 	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
1103 
1104 	tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "hal", CTLFLAG_RD,
1105 	    NULL, "Atheros HAL parameters");
1106 	child = SYSCTL_CHILDREN(tree);
1107 
1108 	sc->sc_ah->ah_config.ah_debug = 0;
1109 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "debug", CTLFLAG_RW,
1110 	    &sc->sc_ah->ah_config.ah_debug, 0, "Atheros HAL debugging printfs");
1111 
1112 	sc->sc_ah->ah_config.ah_ar5416_biasadj = 0;
1113 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "ar5416_biasadj", CTLFLAG_RW,
1114 	    &sc->sc_ah->ah_config.ah_ar5416_biasadj, 0,
1115 	    "Enable 2GHz AR5416 direction sensitivity bias adjust");
1116 
1117 	sc->sc_ah->ah_config.ah_dma_beacon_response_time = 2;
1118 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "dma_brt", CTLFLAG_RW,
1119 	    &sc->sc_ah->ah_config.ah_dma_beacon_response_time, 0,
1120 	    "Atheros HAL DMA beacon response time");
1121 
1122 	sc->sc_ah->ah_config.ah_sw_beacon_response_time = 10;
1123 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "sw_brt", CTLFLAG_RW,
1124 	    &sc->sc_ah->ah_config.ah_sw_beacon_response_time, 0,
1125 	    "Atheros HAL software beacon response time");
1126 
1127 	sc->sc_ah->ah_config.ah_additional_swba_backoff = 0;
1128 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "swba_backoff", CTLFLAG_RW,
1129 	    &sc->sc_ah->ah_config.ah_additional_swba_backoff, 0,
1130 	    "Atheros HAL additional SWBA backoff time");
1131 
1132 	sc->sc_ah->ah_config.ah_force_full_reset = 0;
1133 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "force_full_reset", CTLFLAG_RW,
1134 	    &sc->sc_ah->ah_config.ah_force_full_reset, 0,
1135 	    "Force full chip reset rather than a warm reset");
1136 
1137 	/*
1138 	 * This is initialised by the driver.
1139 	 */
1140 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "serialise_reg_war", CTLFLAG_RW,
1141 	    &sc->sc_ah->ah_config.ah_serialise_reg_war, 0,
1142 	    "Force register access serialisation");
1143 }
1144