xref: /freebsd/sys/dev/ath/if_ath_sysctl.c (revision d4ae33f0721c1b170fe37d97e395228ffcfb3f80)
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 = ath_hal_getslottime(sc->sc_ah);
112 	int error;
113 
114 	error = sysctl_handle_int(oidp, &slottime, 0, req);
115 	if (error || !req->newptr)
116 		return error;
117 	return !ath_hal_setslottime(sc->sc_ah, slottime) ? EINVAL : 0;
118 }
119 
120 static int
121 ath_sysctl_acktimeout(SYSCTL_HANDLER_ARGS)
122 {
123 	struct ath_softc *sc = arg1;
124 	u_int acktimeout = ath_hal_getacktimeout(sc->sc_ah);
125 	int error;
126 
127 	error = sysctl_handle_int(oidp, &acktimeout, 0, req);
128 	if (error || !req->newptr)
129 		return error;
130 	return !ath_hal_setacktimeout(sc->sc_ah, acktimeout) ? EINVAL : 0;
131 }
132 
133 static int
134 ath_sysctl_ctstimeout(SYSCTL_HANDLER_ARGS)
135 {
136 	struct ath_softc *sc = arg1;
137 	u_int ctstimeout = ath_hal_getctstimeout(sc->sc_ah);
138 	int error;
139 
140 	error = sysctl_handle_int(oidp, &ctstimeout, 0, req);
141 	if (error || !req->newptr)
142 		return error;
143 	return !ath_hal_setctstimeout(sc->sc_ah, ctstimeout) ? EINVAL : 0;
144 }
145 
146 static int
147 ath_sysctl_softled(SYSCTL_HANDLER_ARGS)
148 {
149 	struct ath_softc *sc = arg1;
150 	int softled = sc->sc_softled;
151 	int error;
152 
153 	error = sysctl_handle_int(oidp, &softled, 0, req);
154 	if (error || !req->newptr)
155 		return error;
156 	softled = (softled != 0);
157 	if (softled != sc->sc_softled) {
158 		if (softled) {
159 			/* NB: handle any sc_ledpin change */
160 			ath_led_config(sc);
161 		}
162 		sc->sc_softled = softled;
163 	}
164 	return 0;
165 }
166 
167 static int
168 ath_sysctl_ledpin(SYSCTL_HANDLER_ARGS)
169 {
170 	struct ath_softc *sc = arg1;
171 	int ledpin = sc->sc_ledpin;
172 	int error;
173 
174 	error = sysctl_handle_int(oidp, &ledpin, 0, req);
175 	if (error || !req->newptr)
176 		return error;
177 	if (ledpin != sc->sc_ledpin) {
178 		sc->sc_ledpin = ledpin;
179 		if (sc->sc_softled) {
180 			ath_led_config(sc);
181 		}
182 	}
183 	return 0;
184 }
185 
186 static int
187 ath_sysctl_hardled(SYSCTL_HANDLER_ARGS)
188 {
189 	struct ath_softc *sc = arg1;
190 	int hardled = sc->sc_hardled;
191 	int error;
192 
193 	error = sysctl_handle_int(oidp, &hardled, 0, req);
194 	if (error || !req->newptr)
195 		return error;
196 	hardled = (hardled != 0);
197 	if (hardled != sc->sc_hardled) {
198 		if (hardled) {
199 			/* NB: handle any sc_ledpin change */
200 			ath_led_config(sc);
201 		}
202 		sc->sc_hardled = hardled;
203 	}
204 	return 0;
205 }
206 
207 static int
208 ath_sysctl_txantenna(SYSCTL_HANDLER_ARGS)
209 {
210 	struct ath_softc *sc = arg1;
211 	u_int txantenna = ath_hal_getantennaswitch(sc->sc_ah);
212 	int error;
213 
214 	error = sysctl_handle_int(oidp, &txantenna, 0, req);
215 	if (!error && req->newptr) {
216 		/* XXX assumes 2 antenna ports */
217 		if (txantenna < HAL_ANT_VARIABLE || txantenna > HAL_ANT_FIXED_B)
218 			return EINVAL;
219 		ath_hal_setantennaswitch(sc->sc_ah, txantenna);
220 		/*
221 		 * NB: with the switch locked this isn't meaningful,
222 		 *     but set it anyway so things like radiotap get
223 		 *     consistent info in their data.
224 		 */
225 		sc->sc_txantenna = txantenna;
226 	}
227 	return error;
228 }
229 
230 static int
231 ath_sysctl_rxantenna(SYSCTL_HANDLER_ARGS)
232 {
233 	struct ath_softc *sc = arg1;
234 	u_int defantenna = ath_hal_getdefantenna(sc->sc_ah);
235 	int error;
236 
237 	error = sysctl_handle_int(oidp, &defantenna, 0, req);
238 	if (!error && req->newptr)
239 		ath_hal_setdefantenna(sc->sc_ah, defantenna);
240 	return error;
241 }
242 
243 static int
244 ath_sysctl_diversity(SYSCTL_HANDLER_ARGS)
245 {
246 	struct ath_softc *sc = arg1;
247 	u_int diversity = ath_hal_getdiversity(sc->sc_ah);
248 	int error;
249 
250 	error = sysctl_handle_int(oidp, &diversity, 0, req);
251 	if (error || !req->newptr)
252 		return error;
253 	if (!ath_hal_setdiversity(sc->sc_ah, diversity))
254 		return EINVAL;
255 	sc->sc_diversity = diversity;
256 	return 0;
257 }
258 
259 static int
260 ath_sysctl_diag(SYSCTL_HANDLER_ARGS)
261 {
262 	struct ath_softc *sc = arg1;
263 	u_int32_t diag;
264 	int error;
265 
266 	if (!ath_hal_getdiag(sc->sc_ah, &diag))
267 		return EINVAL;
268 	error = sysctl_handle_int(oidp, &diag, 0, req);
269 	if (error || !req->newptr)
270 		return error;
271 	return !ath_hal_setdiag(sc->sc_ah, diag) ? EINVAL : 0;
272 }
273 
274 static int
275 ath_sysctl_tpscale(SYSCTL_HANDLER_ARGS)
276 {
277 	struct ath_softc *sc = arg1;
278 	struct ifnet *ifp = sc->sc_ifp;
279 	u_int32_t scale;
280 	int error;
281 
282 	(void) ath_hal_gettpscale(sc->sc_ah, &scale);
283 	error = sysctl_handle_int(oidp, &scale, 0, req);
284 	if (error || !req->newptr)
285 		return error;
286 	return !ath_hal_settpscale(sc->sc_ah, scale) ? EINVAL :
287 	    (ifp->if_drv_flags & IFF_DRV_RUNNING) ?
288 	      ath_reset(ifp, ATH_RESET_NOLOSS) : 0;
289 }
290 
291 static int
292 ath_sysctl_tpc(SYSCTL_HANDLER_ARGS)
293 {
294 	struct ath_softc *sc = arg1;
295 	u_int tpc = ath_hal_gettpc(sc->sc_ah);
296 	int error;
297 
298 	error = sysctl_handle_int(oidp, &tpc, 0, req);
299 	if (error || !req->newptr)
300 		return error;
301 	return !ath_hal_settpc(sc->sc_ah, tpc) ? EINVAL : 0;
302 }
303 
304 static int
305 ath_sysctl_rfkill(SYSCTL_HANDLER_ARGS)
306 {
307 	struct ath_softc *sc = arg1;
308 	struct ifnet *ifp = sc->sc_ifp;
309 	struct ath_hal *ah = sc->sc_ah;
310 	u_int rfkill = ath_hal_getrfkill(ah);
311 	int error;
312 
313 	error = sysctl_handle_int(oidp, &rfkill, 0, req);
314 	if (error || !req->newptr)
315 		return error;
316 	if (rfkill == ath_hal_getrfkill(ah))	/* unchanged */
317 		return 0;
318 	if (!ath_hal_setrfkill(ah, rfkill))
319 		return EINVAL;
320 	return (ifp->if_drv_flags & IFF_DRV_RUNNING) ?
321 	    ath_reset(ifp, ATH_RESET_FULL) : 0;
322 }
323 
324 static int
325 ath_sysctl_txagg(SYSCTL_HANDLER_ARGS)
326 {
327 	struct ath_softc *sc = arg1;
328 	int i, t, param = 0;
329 	int error;
330 	struct ath_buf *bf;
331 
332 	error = sysctl_handle_int(oidp, &param, 0, req);
333 	if (error || !req->newptr)
334 		return error;
335 
336 	if (param != 1)
337 		return 0;
338 
339 	printf("no tx bufs (empty list): %d\n", sc->sc_stats.ast_tx_getnobuf);
340 	printf("no tx bufs (was busy): %d\n", sc->sc_stats.ast_tx_getbusybuf);
341 
342 	printf("aggr single packet: %d\n",
343 	    sc->sc_aggr_stats.aggr_single_pkt);
344 	printf("aggr single packet w/ BAW closed: %d\n",
345 	    sc->sc_aggr_stats.aggr_baw_closed_single_pkt);
346 	printf("aggr non-baw packet: %d\n",
347 	    sc->sc_aggr_stats.aggr_nonbaw_pkt);
348 	printf("aggr aggregate packet: %d\n",
349 	    sc->sc_aggr_stats.aggr_aggr_pkt);
350 	printf("aggr single packet low hwq: %d\n",
351 	    sc->sc_aggr_stats.aggr_low_hwq_single_pkt);
352 	printf("aggr single packet RTS aggr limited: %d\n",
353 	    sc->sc_aggr_stats.aggr_rts_aggr_limited);
354 	printf("aggr sched, no work: %d\n",
355 	    sc->sc_aggr_stats.aggr_sched_nopkt);
356 	for (i = 0; i < 64; i++) {
357 		printf("%2d: %10d ", i, sc->sc_aggr_stats.aggr_pkts[i]);
358 		if (i % 4 == 3)
359 			printf("\n");
360 	}
361 	printf("\n");
362 
363 	for (i = 0; i < HAL_NUM_TX_QUEUES; i++) {
364 		if (ATH_TXQ_SETUP(sc, i)) {
365 			printf("HW TXQ %d: axq_depth=%d, axq_aggr_depth=%d, "
366 			    "axq_fifo_depth=%d, holdingbf=%p\n",
367 			    i,
368 			    sc->sc_txq[i].axq_depth,
369 			    sc->sc_txq[i].axq_aggr_depth,
370 			    sc->sc_txq[i].axq_fifo_depth,
371 			    sc->sc_txq[i].axq_holdingbf);
372 		}
373 	}
374 
375 	i = t = 0;
376 	ATH_TXBUF_LOCK(sc);
377 	TAILQ_FOREACH(bf, &sc->sc_txbuf, bf_list) {
378 		if (bf->bf_flags & ATH_BUF_BUSY) {
379 			printf("Busy: %d\n", t);
380 			i++;
381 		}
382 		t++;
383 	}
384 	ATH_TXBUF_UNLOCK(sc);
385 	printf("Total TX buffers: %d; Total TX buffers busy: %d (%d)\n",
386 	    t, i, sc->sc_txbuf_cnt);
387 
388 	i = t = 0;
389 	ATH_TXBUF_LOCK(sc);
390 	TAILQ_FOREACH(bf, &sc->sc_txbuf_mgmt, bf_list) {
391 		if (bf->bf_flags & ATH_BUF_BUSY) {
392 			printf("Busy: %d\n", t);
393 			i++;
394 		}
395 		t++;
396 	}
397 	ATH_TXBUF_UNLOCK(sc);
398 	printf("Total mgmt TX buffers: %d; Total mgmt TX buffers busy: %d\n",
399 	    t, i);
400 
401 	ATH_RX_LOCK(sc);
402 	for (i = 0; i < 2; i++) {
403 		printf("%d: fifolen: %d/%d; head=%d; tail=%d\n",
404 		    i,
405 		    sc->sc_rxedma[i].m_fifo_depth,
406 		    sc->sc_rxedma[i].m_fifolen,
407 		    sc->sc_rxedma[i].m_fifo_head,
408 		    sc->sc_rxedma[i].m_fifo_tail);
409 	}
410 	i = 0;
411 	TAILQ_FOREACH(bf, &sc->sc_rxbuf, bf_list) {
412 		i++;
413 	}
414 	printf("Total RX buffers in free list: %d buffers\n",
415 	    i);
416 	ATH_RX_UNLOCK(sc);
417 
418 	return 0;
419 }
420 
421 static int
422 ath_sysctl_rfsilent(SYSCTL_HANDLER_ARGS)
423 {
424 	struct ath_softc *sc = arg1;
425 	u_int rfsilent;
426 	int error;
427 
428 	(void) ath_hal_getrfsilent(sc->sc_ah, &rfsilent);
429 	error = sysctl_handle_int(oidp, &rfsilent, 0, req);
430 	if (error || !req->newptr)
431 		return error;
432 	if (!ath_hal_setrfsilent(sc->sc_ah, rfsilent))
433 		return EINVAL;
434 	sc->sc_rfsilentpin = rfsilent & 0x1c;
435 	sc->sc_rfsilentpol = (rfsilent & 0x2) != 0;
436 	return 0;
437 }
438 
439 static int
440 ath_sysctl_tpack(SYSCTL_HANDLER_ARGS)
441 {
442 	struct ath_softc *sc = arg1;
443 	u_int32_t tpack;
444 	int error;
445 
446 	(void) ath_hal_gettpack(sc->sc_ah, &tpack);
447 	error = sysctl_handle_int(oidp, &tpack, 0, req);
448 	if (error || !req->newptr)
449 		return error;
450 	return !ath_hal_settpack(sc->sc_ah, tpack) ? EINVAL : 0;
451 }
452 
453 static int
454 ath_sysctl_tpcts(SYSCTL_HANDLER_ARGS)
455 {
456 	struct ath_softc *sc = arg1;
457 	u_int32_t tpcts;
458 	int error;
459 
460 	(void) ath_hal_gettpcts(sc->sc_ah, &tpcts);
461 	error = sysctl_handle_int(oidp, &tpcts, 0, req);
462 	if (error || !req->newptr)
463 		return error;
464 	return !ath_hal_settpcts(sc->sc_ah, tpcts) ? EINVAL : 0;
465 }
466 
467 static int
468 ath_sysctl_intmit(SYSCTL_HANDLER_ARGS)
469 {
470 	struct ath_softc *sc = arg1;
471 	int intmit, error;
472 
473 	intmit = ath_hal_getintmit(sc->sc_ah);
474 	error = sysctl_handle_int(oidp, &intmit, 0, req);
475 	if (error || !req->newptr)
476 		return error;
477 
478 	/* reusing error; 1 here means "good"; 0 means "fail" */
479 	error = ath_hal_setintmit(sc->sc_ah, intmit);
480 	if (! error)
481 		return EINVAL;
482 
483 	/*
484 	 * Reset the hardware here - disabling ANI in the HAL
485 	 * doesn't reset ANI related registers, so it'll leave
486 	 * things in an inconsistent state.
487 	 */
488 	if (sc->sc_ifp->if_drv_flags & IFF_DRV_RUNNING)
489 		ath_reset(sc->sc_ifp, ATH_RESET_NOLOSS);
490 
491 	return 0;
492 }
493 
494 #ifdef IEEE80211_SUPPORT_TDMA
495 static int
496 ath_sysctl_setcca(SYSCTL_HANDLER_ARGS)
497 {
498 	struct ath_softc *sc = arg1;
499 	int setcca, error;
500 
501 	setcca = sc->sc_setcca;
502 	error = sysctl_handle_int(oidp, &setcca, 0, req);
503 	if (error || !req->newptr)
504 		return error;
505 	sc->sc_setcca = (setcca != 0);
506 	return 0;
507 }
508 #endif /* IEEE80211_SUPPORT_TDMA */
509 
510 static int
511 ath_sysctl_forcebstuck(SYSCTL_HANDLER_ARGS)
512 {
513 	struct ath_softc *sc = arg1;
514 	int val = 0;
515 	int error;
516 
517 	error = sysctl_handle_int(oidp, &val, 0, req);
518 	if (error || !req->newptr)
519 		return error;
520 	if (val == 0)
521 		return 0;
522 
523 	taskqueue_enqueue_fast(sc->sc_tq, &sc->sc_bstucktask);
524 	val = 0;
525 	return 0;
526 }
527 
528 static int
529 ath_sysctl_hangcheck(SYSCTL_HANDLER_ARGS)
530 {
531 	struct ath_softc *sc = arg1;
532 	int val = 0;
533 	int error;
534 	uint32_t mask = 0xffffffff;
535 	uint32_t *sp;
536 	uint32_t rsize;
537 	struct ath_hal *ah = sc->sc_ah;
538 
539 	error = sysctl_handle_int(oidp, &val, 0, req);
540 	if (error || !req->newptr)
541 		return error;
542 	if (val == 0)
543 		return 0;
544 
545 	/* Do a hang check */
546 	if (!ath_hal_getdiagstate(ah, HAL_DIAG_CHECK_HANGS,
547 	    &mask, sizeof(mask),
548 	    (void *) &sp, &rsize))
549 		return (0);
550 	device_printf(sc->sc_dev, "%s: sp=0x%08x\n", __func__, *sp);
551 
552 	val = 0;
553 	return 0;
554 }
555 
556 #ifdef ATH_DEBUG_ALQ
557 static int
558 ath_sysctl_alq_log(SYSCTL_HANDLER_ARGS)
559 {
560 	struct ath_softc *sc = arg1;
561 	int error, enable;
562 
563 	enable = (sc->sc_alq.sc_alq_isactive);
564 
565 	error = sysctl_handle_int(oidp, &enable, 0, req);
566 	if (error || !req->newptr)
567 		return (error);
568 	else if (enable)
569 		error = if_ath_alq_start(&sc->sc_alq);
570 	else
571 		error = if_ath_alq_stop(&sc->sc_alq);
572 	return (error);
573 }
574 
575 /*
576  * Attach the ALQ debugging if required.
577  */
578 static void
579 ath_sysctl_alq_attach(struct ath_softc *sc)
580 {
581 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
582 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
583 	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
584 
585 	tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "alq", CTLFLAG_RD,
586 	    NULL, "Atheros ALQ logging parameters");
587 	child = SYSCTL_CHILDREN(tree);
588 
589 	SYSCTL_ADD_STRING(ctx, child, OID_AUTO, "filename",
590 	    CTLFLAG_RW, sc->sc_alq.sc_alq_filename, 0, "ALQ filename");
591 
592 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
593 		"enable", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
594 		ath_sysctl_alq_log, "I", "");
595 
596 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
597 		"debugmask", CTLFLAG_RW, &sc->sc_alq.sc_alq_debug, 0,
598 		"ALQ debug mask");
599 
600 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
601 		"numlost", CTLFLAG_RW, &sc->sc_alq.sc_alq_numlost, 0,
602 		"number lost");
603 }
604 #endif /* ATH_DEBUG_ALQ */
605 
606 void
607 ath_sysctlattach(struct ath_softc *sc)
608 {
609 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
610 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
611 	struct ath_hal *ah = sc->sc_ah;
612 
613 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
614 		"countrycode", CTLFLAG_RD, &sc->sc_eecc, 0,
615 		"EEPROM country code");
616 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
617 		"regdomain", CTLFLAG_RD, &sc->sc_eerd, 0,
618 		"EEPROM regdomain code");
619 #ifdef	ATH_DEBUG
620 	SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
621 		"debug", CTLFLAG_RW, &sc->sc_debug,
622 		"control debugging printfs");
623 #endif
624 #ifdef	ATH_DEBUG_ALQ
625 	SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
626 		"ktrdebug", CTLFLAG_RW, &sc->sc_ktrdebug,
627 		"control debugging KTR");
628 #endif /* ATH_DEBUG_ALQ */
629 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
630 		"slottime", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
631 		ath_sysctl_slottime, "I", "802.11 slot time (us)");
632 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
633 		"acktimeout", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
634 		ath_sysctl_acktimeout, "I", "802.11 ACK timeout (us)");
635 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
636 		"ctstimeout", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
637 		ath_sysctl_ctstimeout, "I", "802.11 CTS timeout (us)");
638 
639 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
640 		"softled", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
641 		ath_sysctl_softled, "I", "enable/disable software LED support");
642 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
643 		"ledpin", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
644 		ath_sysctl_ledpin, "I", "GPIO pin connected to LED");
645 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
646 		"ledon", CTLFLAG_RW, &sc->sc_ledon, 0,
647 		"setting to turn LED on");
648 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
649 		"ledidle", CTLFLAG_RW, &sc->sc_ledidle, 0,
650 		"idle time for inactivity LED (ticks)");
651 
652 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
653 		"hardled", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
654 		ath_sysctl_hardled, "I", "enable/disable hardware LED support");
655 	/* XXX Laziness - configure pins, then flip hardled off/on */
656 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
657 		"led_net_pin", CTLFLAG_RW, &sc->sc_led_net_pin, 0,
658 		"MAC Network LED pin, or -1 to disable");
659 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
660 		"led_pwr_pin", CTLFLAG_RW, &sc->sc_led_pwr_pin, 0,
661 		"MAC Power LED pin, or -1 to disable");
662 
663 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
664 		"txantenna", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
665 		ath_sysctl_txantenna, "I", "antenna switch");
666 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
667 		"rxantenna", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
668 		ath_sysctl_rxantenna, "I", "default/rx antenna");
669 	if (ath_hal_hasdiversity(ah))
670 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
671 			"diversity", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
672 			ath_sysctl_diversity, "I", "antenna diversity");
673 	sc->sc_txintrperiod = ATH_TXINTR_PERIOD;
674 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
675 		"txintrperiod", CTLFLAG_RW, &sc->sc_txintrperiod, 0,
676 		"tx descriptor batching");
677 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
678 		"diag", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
679 		ath_sysctl_diag, "I", "h/w diagnostic control");
680 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
681 		"tpscale", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
682 		ath_sysctl_tpscale, "I", "tx power scaling");
683 	if (ath_hal_hastpc(ah)) {
684 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
685 			"tpc", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
686 			ath_sysctl_tpc, "I", "enable/disable per-packet TPC");
687 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
688 			"tpack", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
689 			ath_sysctl_tpack, "I", "tx power for ack frames");
690 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
691 			"tpcts", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
692 			ath_sysctl_tpcts, "I", "tx power for cts frames");
693 	}
694 	if (ath_hal_hasrfsilent(ah)) {
695 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
696 			"rfsilent", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
697 			ath_sysctl_rfsilent, "I", "h/w RF silent config");
698 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
699 			"rfkill", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
700 			ath_sysctl_rfkill, "I", "enable/disable RF kill switch");
701 	}
702 
703 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
704 		"txagg", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
705 		ath_sysctl_txagg, "I", "");
706 
707 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
708 		"forcebstuck", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
709 		ath_sysctl_forcebstuck, "I", "");
710 
711 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
712 		"hangcheck", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
713 		ath_sysctl_hangcheck, "I", "");
714 
715 	if (ath_hal_hasintmit(ah)) {
716 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
717 			"intmit", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
718 			ath_sysctl_intmit, "I", "interference mitigation");
719 	}
720 	sc->sc_monpass = HAL_RXERR_DECRYPT | HAL_RXERR_MIC;
721 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
722 		"monpass", CTLFLAG_RW, &sc->sc_monpass, 0,
723 		"mask of error frames to pass when monitoring");
724 
725 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
726 		"hwq_limit_nonaggr", CTLFLAG_RW, &sc->sc_hwq_limit_nonaggr, 0,
727 		"Hardware non-AMPDU queue depth before software-queuing TX frames");
728 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
729 		"hwq_limit_aggr", CTLFLAG_RW, &sc->sc_hwq_limit_aggr, 0,
730 		"Hardware AMPDU queue depth before software-queuing TX frames");
731 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
732 		"tid_hwq_lo", CTLFLAG_RW, &sc->sc_tid_hwq_lo, 0,
733 		"");
734 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
735 		"tid_hwq_hi", CTLFLAG_RW, &sc->sc_tid_hwq_hi, 0,
736 		"");
737 
738 	/* Aggregate length twiddles */
739 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
740 		"aggr_limit", CTLFLAG_RW, &sc->sc_aggr_limit, 0,
741 		"Maximum A-MPDU size, or 0 for 'default'");
742 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
743 		"rts_aggr_limit", CTLFLAG_RW, &sc->sc_rts_aggr_limit, 0,
744 		"Maximum A-MPDU size for RTS-protected frames, or '0' "
745 		"for default");
746 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
747 		"delim_min_pad", CTLFLAG_RW, &sc->sc_delim_min_pad, 0,
748 		"Enforce a minimum number of delimiters per A-MPDU "
749 		" sub-frame");
750 
751 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
752 		"txq_data_minfree", CTLFLAG_RW, &sc->sc_txq_data_minfree,
753 		0, "Minimum free buffers before adding a data frame"
754 		" to the TX queue");
755 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
756 		"txq_mcastq_maxdepth", CTLFLAG_RW,
757 		&sc->sc_txq_mcastq_maxdepth, 0,
758 		"Maximum buffer depth for multicast/broadcast frames");
759 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
760 		"txq_node_maxdepth", CTLFLAG_RW,
761 		&sc->sc_txq_node_maxdepth, 0,
762 		"Maximum buffer depth for a single node");
763 
764 #if 0
765 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
766 		"cabq_enable", CTLFLAG_RW,
767 		&sc->sc_cabq_enable, 0,
768 		"Whether to transmit on the CABQ or not");
769 #endif
770 
771 #ifdef IEEE80211_SUPPORT_TDMA
772 	if (ath_hal_macversion(ah) > 0x78) {
773 		sc->sc_tdmadbaprep = 2;
774 		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
775 			"dbaprep", CTLFLAG_RW, &sc->sc_tdmadbaprep, 0,
776 			"TDMA DBA preparation time");
777 		sc->sc_tdmaswbaprep = 10;
778 		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
779 			"swbaprep", CTLFLAG_RW, &sc->sc_tdmaswbaprep, 0,
780 			"TDMA SWBA preparation time");
781 		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
782 			"guardtime", CTLFLAG_RW, &sc->sc_tdmaguard, 0,
783 			"TDMA slot guard time");
784 		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
785 			"superframe", CTLFLAG_RD, &sc->sc_tdmabintval, 0,
786 			"TDMA calculated super frame");
787 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
788 			"setcca", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
789 			ath_sysctl_setcca, "I", "enable CCA control");
790 	}
791 #endif
792 
793 #ifdef	ATH_DEBUG_ALQ
794 	ath_sysctl_alq_attach(sc);
795 #endif
796 }
797 
798 static int
799 ath_sysctl_clearstats(SYSCTL_HANDLER_ARGS)
800 {
801 	struct ath_softc *sc = arg1;
802 	int val = 0;
803 	int error;
804 
805 	error = sysctl_handle_int(oidp, &val, 0, req);
806 	if (error || !req->newptr)
807 		return error;
808 	if (val == 0)
809 		return 0;       /* Not clearing the stats is still valid */
810 	memset(&sc->sc_stats, 0, sizeof(sc->sc_stats));
811 	memset(&sc->sc_aggr_stats, 0, sizeof(sc->sc_aggr_stats));
812 	memset(&sc->sc_intr_stats, 0, sizeof(sc->sc_intr_stats));
813 
814 	val = 0;
815 	return 0;
816 }
817 
818 static void
819 ath_sysctl_stats_attach_rxphyerr(struct ath_softc *sc, struct sysctl_oid_list *parent)
820 {
821 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
822 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
823 	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
824 	int i;
825 	char sn[8];
826 
827 	tree = SYSCTL_ADD_NODE(ctx, parent, OID_AUTO, "rx_phy_err", CTLFLAG_RD, NULL, "Per-code RX PHY Errors");
828 	child = SYSCTL_CHILDREN(tree);
829 	for (i = 0; i < 64; i++) {
830 		snprintf(sn, sizeof(sn), "%d", i);
831 		SYSCTL_ADD_UINT(ctx, child, OID_AUTO, sn, CTLFLAG_RD, &sc->sc_stats.ast_rx_phy[i], 0, "");
832 	}
833 }
834 
835 static void
836 ath_sysctl_stats_attach_intr(struct ath_softc *sc,
837     struct sysctl_oid_list *parent)
838 {
839 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
840 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
841 	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
842 	int i;
843 	char sn[8];
844 
845 	tree = SYSCTL_ADD_NODE(ctx, parent, OID_AUTO, "sync_intr",
846 	    CTLFLAG_RD, NULL, "Sync interrupt statistics");
847 	child = SYSCTL_CHILDREN(tree);
848 	for (i = 0; i < 32; i++) {
849 		snprintf(sn, sizeof(sn), "%d", i);
850 		SYSCTL_ADD_UINT(ctx, child, OID_AUTO, sn, CTLFLAG_RD,
851 		    &sc->sc_intr_stats.sync_intr[i], 0, "");
852 	}
853 }
854 
855 void
856 ath_sysctl_stats_attach(struct ath_softc *sc)
857 {
858 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
859 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
860 	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
861 
862 	/* Create "clear" node */
863 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
864 	    "clear_stats", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
865 	    ath_sysctl_clearstats, "I", "clear stats");
866 
867 	/* Create stats node */
868 	tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD,
869 	    NULL, "Statistics");
870 	child = SYSCTL_CHILDREN(tree);
871 
872 	/* This was generated from if_athioctl.h */
873 
874 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_watchdog", CTLFLAG_RD,
875 	    &sc->sc_stats.ast_watchdog, 0, "device reset by watchdog");
876 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_hardware", CTLFLAG_RD,
877 	    &sc->sc_stats.ast_hardware, 0, "fatal hardware error interrupts");
878 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bmiss", CTLFLAG_RD,
879 	    &sc->sc_stats.ast_bmiss, 0, "beacon miss interrupts");
880 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bmiss_phantom", CTLFLAG_RD,
881 	    &sc->sc_stats.ast_bmiss_phantom, 0, "beacon miss interrupts");
882 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bstuck", CTLFLAG_RD,
883 	    &sc->sc_stats.ast_bstuck, 0, "beacon stuck interrupts");
884 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rxorn", CTLFLAG_RD,
885 	    &sc->sc_stats.ast_rxorn, 0, "rx overrun interrupts");
886 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rxeol", CTLFLAG_RD,
887 	    &sc->sc_stats.ast_rxeol, 0, "rx eol interrupts");
888 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_txurn", CTLFLAG_RD,
889 	    &sc->sc_stats.ast_txurn, 0, "tx underrun interrupts");
890 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_mib", CTLFLAG_RD,
891 	    &sc->sc_stats.ast_mib, 0, "mib interrupts");
892 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_intrcoal", CTLFLAG_RD,
893 	    &sc->sc_stats.ast_intrcoal, 0, "interrupts coalesced");
894 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_packets", CTLFLAG_RD,
895 	    &sc->sc_stats.ast_tx_packets, 0, "packet sent on the interface");
896 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_mgmt", CTLFLAG_RD,
897 	    &sc->sc_stats.ast_tx_mgmt, 0, "management frames transmitted");
898 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_discard", CTLFLAG_RD,
899 	    &sc->sc_stats.ast_tx_discard, 0, "frames discarded prior to assoc");
900 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_qstop", CTLFLAG_RD,
901 	    &sc->sc_stats.ast_tx_qstop, 0, "output stopped 'cuz no buffer");
902 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_encap", CTLFLAG_RD,
903 	    &sc->sc_stats.ast_tx_encap, 0, "tx encapsulation failed");
904 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nonode", CTLFLAG_RD,
905 	    &sc->sc_stats.ast_tx_nonode, 0, "tx failed 'cuz no node");
906 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nombuf", CTLFLAG_RD,
907 	    &sc->sc_stats.ast_tx_nombuf, 0, "tx failed 'cuz no mbuf");
908 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nomcl", CTLFLAG_RD,
909 	    &sc->sc_stats.ast_tx_nomcl, 0, "tx failed 'cuz no cluster");
910 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_linear", CTLFLAG_RD,
911 	    &sc->sc_stats.ast_tx_linear, 0, "tx linearized to cluster");
912 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nodata", CTLFLAG_RD,
913 	    &sc->sc_stats.ast_tx_nodata, 0, "tx discarded empty frame");
914 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_busdma", CTLFLAG_RD,
915 	    &sc->sc_stats.ast_tx_busdma, 0, "tx failed for dma resrcs");
916 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_xretries", CTLFLAG_RD,
917 	    &sc->sc_stats.ast_tx_xretries, 0, "tx failed 'cuz too many retries");
918 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_fifoerr", CTLFLAG_RD,
919 	    &sc->sc_stats.ast_tx_fifoerr, 0, "tx failed 'cuz FIFO underrun");
920 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_filtered", CTLFLAG_RD,
921 	    &sc->sc_stats.ast_tx_filtered, 0, "tx failed 'cuz xmit filtered");
922 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_shortretry", CTLFLAG_RD,
923 	    &sc->sc_stats.ast_tx_shortretry, 0, "tx on-chip retries (short)");
924 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_longretry", CTLFLAG_RD,
925 	    &sc->sc_stats.ast_tx_longretry, 0, "tx on-chip retries (long)");
926 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_badrate", CTLFLAG_RD,
927 	    &sc->sc_stats.ast_tx_badrate, 0, "tx failed 'cuz bogus xmit rate");
928 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_noack", CTLFLAG_RD,
929 	    &sc->sc_stats.ast_tx_noack, 0, "tx frames with no ack marked");
930 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_rts", CTLFLAG_RD,
931 	    &sc->sc_stats.ast_tx_rts, 0, "tx frames with rts enabled");
932 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_cts", CTLFLAG_RD,
933 	    &sc->sc_stats.ast_tx_cts, 0, "tx frames with cts enabled");
934 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_shortpre", CTLFLAG_RD,
935 	    &sc->sc_stats.ast_tx_shortpre, 0, "tx frames with short preamble");
936 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_altrate", CTLFLAG_RD,
937 	    &sc->sc_stats.ast_tx_altrate, 0, "tx frames with alternate rate");
938 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_protect", CTLFLAG_RD,
939 	    &sc->sc_stats.ast_tx_protect, 0, "tx frames with protection");
940 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_ctsburst", CTLFLAG_RD,
941 	    &sc->sc_stats.ast_tx_ctsburst, 0, "tx frames with cts and bursting");
942 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_ctsext", CTLFLAG_RD,
943 	    &sc->sc_stats.ast_tx_ctsext, 0, "tx frames with cts extension");
944 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_nombuf", CTLFLAG_RD,
945 	    &sc->sc_stats.ast_rx_nombuf, 0, "rx setup failed 'cuz no mbuf");
946 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_busdma", CTLFLAG_RD,
947 	    &sc->sc_stats.ast_rx_busdma, 0, "rx setup failed for dma resrcs");
948 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_orn", CTLFLAG_RD,
949 	    &sc->sc_stats.ast_rx_orn, 0, "rx failed 'cuz of desc overrun");
950 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_crcerr", CTLFLAG_RD,
951 	    &sc->sc_stats.ast_rx_crcerr, 0, "rx failed 'cuz of bad CRC");
952 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_fifoerr", CTLFLAG_RD,
953 	    &sc->sc_stats.ast_rx_fifoerr, 0, "rx failed 'cuz of FIFO overrun");
954 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_badcrypt", CTLFLAG_RD,
955 	    &sc->sc_stats.ast_rx_badcrypt, 0, "rx failed 'cuz decryption");
956 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_badmic", CTLFLAG_RD,
957 	    &sc->sc_stats.ast_rx_badmic, 0, "rx failed 'cuz MIC failure");
958 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_phyerr", CTLFLAG_RD,
959 	    &sc->sc_stats.ast_rx_phyerr, 0, "rx failed 'cuz of PHY err");
960 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_tooshort", CTLFLAG_RD,
961 	    &sc->sc_stats.ast_rx_tooshort, 0, "rx discarded 'cuz frame too short");
962 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_toobig", CTLFLAG_RD,
963 	    &sc->sc_stats.ast_rx_toobig, 0, "rx discarded 'cuz frame too large");
964 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_packets", CTLFLAG_RD,
965 	    &sc->sc_stats.ast_rx_packets, 0, "packet recv on the interface");
966 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_mgt", CTLFLAG_RD,
967 	    &sc->sc_stats.ast_rx_mgt, 0, "management frames received");
968 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_ctl", CTLFLAG_RD,
969 	    &sc->sc_stats.ast_rx_ctl, 0, "rx discarded 'cuz ctl frame");
970 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_xmit", CTLFLAG_RD,
971 	    &sc->sc_stats.ast_be_xmit, 0, "beacons transmitted");
972 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_nombuf", CTLFLAG_RD,
973 	    &sc->sc_stats.ast_be_nombuf, 0, "beacon setup failed 'cuz no mbuf");
974 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_cal", CTLFLAG_RD,
975 	    &sc->sc_stats.ast_per_cal, 0, "periodic calibration calls");
976 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_calfail", CTLFLAG_RD,
977 	    &sc->sc_stats.ast_per_calfail, 0, "periodic calibration failed");
978 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_rfgain", CTLFLAG_RD,
979 	    &sc->sc_stats.ast_per_rfgain, 0, "periodic calibration rfgain reset");
980 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_calls", CTLFLAG_RD,
981 	    &sc->sc_stats.ast_rate_calls, 0, "rate control checks");
982 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_raise", CTLFLAG_RD,
983 	    &sc->sc_stats.ast_rate_raise, 0, "rate control raised xmit rate");
984 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_drop", CTLFLAG_RD,
985 	    &sc->sc_stats.ast_rate_drop, 0, "rate control dropped xmit rate");
986 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ant_defswitch", CTLFLAG_RD,
987 	    &sc->sc_stats.ast_ant_defswitch, 0, "rx/default antenna switches");
988 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ant_txswitch", CTLFLAG_RD,
989 	    &sc->sc_stats.ast_ant_txswitch, 0, "tx antenna switches");
990 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_cabq_xmit", CTLFLAG_RD,
991 	    &sc->sc_stats.ast_cabq_xmit, 0, "cabq frames transmitted");
992 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_cabq_busy", CTLFLAG_RD,
993 	    &sc->sc_stats.ast_cabq_busy, 0, "cabq found busy");
994 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_raw", CTLFLAG_RD,
995 	    &sc->sc_stats.ast_tx_raw, 0, "tx frames through raw api");
996 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_txok", CTLFLAG_RD,
997 	    &sc->sc_stats.ast_ff_txok, 0, "fast frames tx'd successfully");
998 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_txerr", CTLFLAG_RD,
999 	    &sc->sc_stats.ast_ff_txerr, 0, "fast frames tx'd w/ error");
1000 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_rx", CTLFLAG_RD,
1001 	    &sc->sc_stats.ast_ff_rx, 0, "fast frames rx'd");
1002 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_flush", CTLFLAG_RD,
1003 	    &sc->sc_stats.ast_ff_flush, 0, "fast frames flushed from staging q");
1004 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_qfull", CTLFLAG_RD,
1005 	    &sc->sc_stats.ast_tx_qfull, 0, "tx dropped 'cuz of queue limit");
1006 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nobuf", CTLFLAG_RD,
1007 	    &sc->sc_stats.ast_tx_nobuf, 0, "tx dropped 'cuz no ath buffer");
1008 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_update", CTLFLAG_RD,
1009 	    &sc->sc_stats.ast_tdma_update, 0, "TDMA slot timing updates");
1010 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_timers", CTLFLAG_RD,
1011 	    &sc->sc_stats.ast_tdma_timers, 0, "TDMA slot update set beacon timers");
1012 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_tsf", CTLFLAG_RD,
1013 	    &sc->sc_stats.ast_tdma_tsf, 0, "TDMA slot update set TSF");
1014 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_ack", CTLFLAG_RD,
1015 	    &sc->sc_stats.ast_tdma_ack, 0, "TDMA tx failed 'cuz ACK required");
1016 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_raw_fail", CTLFLAG_RD,
1017 	    &sc->sc_stats.ast_tx_raw_fail, 0, "raw tx failed 'cuz h/w down");
1018 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nofrag", CTLFLAG_RD,
1019 	    &sc->sc_stats.ast_tx_nofrag, 0, "tx dropped 'cuz no ath frag buffer");
1020 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_missed", CTLFLAG_RD,
1021 	    &sc->sc_stats.ast_be_missed, 0, "number of -missed- beacons");
1022 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ani_cal", CTLFLAG_RD,
1023 	    &sc->sc_stats.ast_ani_cal, 0, "number of ANI polls");
1024 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_agg", CTLFLAG_RD,
1025 	    &sc->sc_stats.ast_rx_agg, 0, "number of aggregate frames received");
1026 
1027 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_halfgi", CTLFLAG_RD,
1028 	    &sc->sc_stats.ast_rx_halfgi, 0, "number of frames received with half-GI");
1029 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_2040", CTLFLAG_RD,
1030 	    &sc->sc_stats.ast_rx_2040, 0, "number of HT/40 frames received");
1031 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_pre_crc_err", CTLFLAG_RD,
1032 	    &sc->sc_stats.ast_rx_pre_crc_err, 0, "number of delimeter-CRC errors detected");
1033 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_post_crc_err", CTLFLAG_RD,
1034 	    &sc->sc_stats.ast_rx_post_crc_err, 0, "number of post-delimiter CRC errors detected");
1035 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_decrypt_busy_err", CTLFLAG_RD,
1036 	    &sc->sc_stats.ast_rx_decrypt_busy_err, 0, "number of frames received w/ busy decrypt engine");
1037 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_hi_rx_chain", CTLFLAG_RD,
1038 	    &sc->sc_stats.ast_rx_hi_rx_chain, 0, "");
1039 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_htprotect", CTLFLAG_RD,
1040 	    &sc->sc_stats.ast_tx_htprotect, 0, "HT tx frames with protection");
1041 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_hitqueueend", CTLFLAG_RD,
1042 	    &sc->sc_stats.ast_rx_hitqueueend, 0, "RX hit queue end");
1043 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_timeout", CTLFLAG_RD,
1044 	    &sc->sc_stats.ast_tx_timeout, 0, "TX Global Timeout");
1045 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_cst", CTLFLAG_RD,
1046 	    &sc->sc_stats.ast_tx_cst, 0, "TX Carrier Sense Timeout");
1047 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_xtxop", CTLFLAG_RD,
1048 	    &sc->sc_stats.ast_tx_xtxop, 0, "TX exceeded TXOP");
1049 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_timerexpired", CTLFLAG_RD,
1050 	    &sc->sc_stats.ast_tx_timerexpired, 0, "TX exceeded TX_TIMER register");
1051 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_desccfgerr", CTLFLAG_RD,
1052 	    &sc->sc_stats.ast_tx_desccfgerr, 0, "TX Descriptor Cfg Error");
1053 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_swretries", CTLFLAG_RD,
1054 	    &sc->sc_stats.ast_tx_swretries, 0, "TX software retry count");
1055 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_swretrymax", CTLFLAG_RD,
1056 	    &sc->sc_stats.ast_tx_swretrymax, 0, "TX software retry max reached");
1057 
1058 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_data_underrun", CTLFLAG_RD,
1059 	    &sc->sc_stats.ast_tx_data_underrun, 0, "");
1060 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_delim_underrun", CTLFLAG_RD,
1061 	    &sc->sc_stats.ast_tx_delim_underrun, 0, "");
1062 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_failall", CTLFLAG_RD,
1063 	    &sc->sc_stats.ast_tx_aggr_failall, 0,
1064 	    "Number of aggregate TX failures (whole frame)");
1065 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_ok", CTLFLAG_RD,
1066 	    &sc->sc_stats.ast_tx_aggr_ok, 0,
1067 	    "Number of aggregate TX OK completions (subframe)");
1068 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_fail", CTLFLAG_RD,
1069 	    &sc->sc_stats.ast_tx_aggr_fail, 0,
1070 	    "Number of aggregate TX failures (subframe)");
1071 
1072 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_intr", CTLFLAG_RD,
1073 	    &sc->sc_stats.ast_rx_intr, 0, "RX interrupts");
1074 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_intr", CTLFLAG_RD,
1075 	    &sc->sc_stats.ast_tx_intr, 0, "TX interrupts");
1076 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_mcastq_overflow",
1077 	    CTLFLAG_RD, &sc->sc_stats.ast_tx_mcastq_overflow, 0,
1078 	    "Number of multicast frames exceeding maximum mcast queue depth");
1079 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_keymiss", CTLFLAG_RD,
1080 	    &sc->sc_stats.ast_rx_keymiss, 0, "");
1081 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_swfiltered", CTLFLAG_RD,
1082 	    &sc->sc_stats.ast_tx_swfiltered, 0, "");
1083 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_stbc",
1084 	    CTLFLAG_RD, &sc->sc_stats.ast_rx_stbc, 0,
1085 	    "Number of STBC frames received");
1086 
1087 	/* Attach the RX phy error array */
1088 	ath_sysctl_stats_attach_rxphyerr(sc, child);
1089 
1090 	/* Attach the interrupt statistics array */
1091 	ath_sysctl_stats_attach_intr(sc, child);
1092 }
1093 
1094 /*
1095  * This doesn't necessarily belong here (because it's HAL related, not
1096  * driver related).
1097  */
1098 void
1099 ath_sysctl_hal_attach(struct ath_softc *sc)
1100 {
1101 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
1102 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
1103 	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
1104 
1105 	tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "hal", CTLFLAG_RD,
1106 	    NULL, "Atheros HAL parameters");
1107 	child = SYSCTL_CHILDREN(tree);
1108 
1109 	sc->sc_ah->ah_config.ah_debug = 0;
1110 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "debug", CTLFLAG_RW,
1111 	    &sc->sc_ah->ah_config.ah_debug, 0, "Atheros HAL debugging printfs");
1112 
1113 	sc->sc_ah->ah_config.ah_ar5416_biasadj = 0;
1114 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "ar5416_biasadj", CTLFLAG_RW,
1115 	    &sc->sc_ah->ah_config.ah_ar5416_biasadj, 0,
1116 	    "Enable 2GHz AR5416 direction sensitivity bias adjust");
1117 
1118 	sc->sc_ah->ah_config.ah_dma_beacon_response_time = 2;
1119 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "dma_brt", CTLFLAG_RW,
1120 	    &sc->sc_ah->ah_config.ah_dma_beacon_response_time, 0,
1121 	    "Atheros HAL DMA beacon response time");
1122 
1123 	sc->sc_ah->ah_config.ah_sw_beacon_response_time = 10;
1124 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "sw_brt", CTLFLAG_RW,
1125 	    &sc->sc_ah->ah_config.ah_sw_beacon_response_time, 0,
1126 	    "Atheros HAL software beacon response time");
1127 
1128 	sc->sc_ah->ah_config.ah_additional_swba_backoff = 0;
1129 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "swba_backoff", CTLFLAG_RW,
1130 	    &sc->sc_ah->ah_config.ah_additional_swba_backoff, 0,
1131 	    "Atheros HAL additional SWBA backoff time");
1132 
1133 	sc->sc_ah->ah_config.ah_force_full_reset = 0;
1134 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "force_full_reset", CTLFLAG_RW,
1135 	    &sc->sc_ah->ah_config.ah_force_full_reset, 0,
1136 	    "Force full chip reset rather than a warm reset");
1137 
1138 	/*
1139 	 * This is initialised by the driver.
1140 	 */
1141 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "serialise_reg_war", CTLFLAG_RW,
1142 	    &sc->sc_ah->ah_config.ah_serialise_reg_war, 0,
1143 	    "Force register access serialisation");
1144 }
1145