xref: /dragonfly/sys/dev/netif/ath/ath/if_ath_sysctl.c (revision 2b3f93ea)
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, MERCHANTABILITY
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/kernel.h>
51 #include <sys/socket.h>
52 #include <sys/sockio.h>
53 #include <sys/errno.h>
54 #include <sys/callout.h>
55 #include <sys/bus.h>
56 #include <sys/endian.h>
57 #include <sys/kthread.h>
58 #include <sys/taskqueue.h>
59 #include <sys/caps.h>
60 
61 #if defined(__DragonFly__)
62 /* empty */
63 #else
64 #include <machine/bus.h>
65 #endif
66 
67 #include <net/if.h>
68 #include <net/if_var.h>
69 #include <net/if_dl.h>
70 #include <net/if_media.h>
71 #include <net/if_types.h>
72 #include <net/if_arp.h>
73 #include <net/ethernet.h>
74 #include <net/if_llc.h>
75 
76 #include <netproto/802_11/ieee80211_var.h>
77 #include <netproto/802_11/ieee80211_regdomain.h>
78 #ifdef IEEE80211_SUPPORT_SUPERG
79 #include <netproto/802_11/ieee80211_superg.h>
80 #endif
81 #ifdef IEEE80211_SUPPORT_TDMA
82 #include <netproto/802_11/ieee80211_tdma.h>
83 #endif
84 
85 #include <net/bpf.h>
86 
87 #ifdef INET
88 #include <netinet/in.h>
89 #include <netinet/if_ether.h>
90 #endif
91 
92 #include <dev/netif/ath/ath/if_athvar.h>
93 #include <dev/netif/ath/ath_hal/ah_devid.h>		/* XXX for softled */
94 #include <dev/netif/ath/ath_hal/ah_diagcodes.h>
95 
96 #include <dev/netif/ath/ath/if_ath_debug.h>
97 #include <dev/netif/ath/ath/if_ath_led.h>
98 #include <dev/netif/ath/ath/if_ath_misc.h>
99 #include <dev/netif/ath/ath/if_ath_tx.h>
100 #include <dev/netif/ath/ath/if_ath_sysctl.h>
101 
102 #ifdef ATH_TX99_DIAG
103 #include <dev/ath/ath_tx99/ath_tx99.h>
104 #endif
105 
106 #ifdef	ATH_DEBUG_ALQ
107 #include <dev/netif/ath/if_ath_alq.h>
108 #endif
109 
110 static int
ath_sysctl_slottime(SYSCTL_HANDLER_ARGS)111 ath_sysctl_slottime(SYSCTL_HANDLER_ARGS)
112 {
113 	struct ath_softc *sc = arg1;
114 	u_int slottime;
115 	int error;
116 
117 	ATH_LOCK(sc);
118 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
119 	slottime = ath_hal_getslottime(sc->sc_ah);
120 	ATH_UNLOCK(sc);
121 
122 	error = sysctl_handle_int(oidp, &slottime, 0, req);
123 	if (error || !req->newptr)
124 		goto finish;
125 
126 	error = !ath_hal_setslottime(sc->sc_ah, slottime) ? EINVAL : 0;
127 
128 finish:
129 	ATH_LOCK(sc);
130 	ath_power_restore_power_state(sc);
131 	ATH_UNLOCK(sc);
132 
133 	return error;
134 }
135 
136 static int
ath_sysctl_acktimeout(SYSCTL_HANDLER_ARGS)137 ath_sysctl_acktimeout(SYSCTL_HANDLER_ARGS)
138 {
139 	struct ath_softc *sc = arg1;
140 	u_int acktimeout;
141 	int error;
142 
143 	ATH_LOCK(sc);
144 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
145 	acktimeout = ath_hal_getacktimeout(sc->sc_ah);
146 	ATH_UNLOCK(sc);
147 
148 	error = sysctl_handle_int(oidp, &acktimeout, 0, req);
149 	if (error || !req->newptr)
150 		goto finish;
151 
152 	error = !ath_hal_setacktimeout(sc->sc_ah, acktimeout) ? EINVAL : 0;
153 
154 finish:
155 	ATH_LOCK(sc);
156 	ath_power_restore_power_state(sc);
157 	ATH_UNLOCK(sc);
158 
159 	return (error);
160 }
161 
162 static int
ath_sysctl_ctstimeout(SYSCTL_HANDLER_ARGS)163 ath_sysctl_ctstimeout(SYSCTL_HANDLER_ARGS)
164 {
165 	struct ath_softc *sc = arg1;
166 	u_int ctstimeout;
167 	int error;
168 
169 	ATH_LOCK(sc);
170 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
171 	ctstimeout = ath_hal_getctstimeout(sc->sc_ah);
172 	ATH_UNLOCK(sc);
173 
174 	error = sysctl_handle_int(oidp, &ctstimeout, 0, req);
175 	if (error || !req->newptr)
176 		goto finish;
177 
178 	error = !ath_hal_setctstimeout(sc->sc_ah, ctstimeout) ? EINVAL : 0;
179 
180 finish:
181 	ATH_LOCK(sc);
182 	ath_power_restore_power_state(sc);
183 	ATH_UNLOCK(sc);
184 
185 	return (error);
186 }
187 
188 static int
ath_sysctl_softled(SYSCTL_HANDLER_ARGS)189 ath_sysctl_softled(SYSCTL_HANDLER_ARGS)
190 {
191 	struct ath_softc *sc = arg1;
192 	int softled = sc->sc_softled;
193 	int error;
194 
195 	error = sysctl_handle_int(oidp, &softled, 0, req);
196 	if (error || !req->newptr)
197 		return error;
198 	softled = (softled != 0);
199 	if (softled != sc->sc_softled) {
200 		if (softled) {
201 			/* NB: handle any sc_ledpin change */
202 			ath_led_config(sc);
203 		}
204 		sc->sc_softled = softled;
205 	}
206 	return 0;
207 }
208 
209 static int
ath_sysctl_ledpin(SYSCTL_HANDLER_ARGS)210 ath_sysctl_ledpin(SYSCTL_HANDLER_ARGS)
211 {
212 	struct ath_softc *sc = arg1;
213 	int ledpin = sc->sc_ledpin;
214 	int error;
215 
216 	error = sysctl_handle_int(oidp, &ledpin, 0, req);
217 	if (error || !req->newptr)
218 		return error;
219 	if (ledpin != sc->sc_ledpin) {
220 		sc->sc_ledpin = ledpin;
221 		if (sc->sc_softled) {
222 			ath_led_config(sc);
223 		}
224 	}
225 	return 0;
226 }
227 
228 static int
ath_sysctl_hardled(SYSCTL_HANDLER_ARGS)229 ath_sysctl_hardled(SYSCTL_HANDLER_ARGS)
230 {
231 	struct ath_softc *sc = arg1;
232 	int hardled = sc->sc_hardled;
233 	int error;
234 
235 	error = sysctl_handle_int(oidp, &hardled, 0, req);
236 	if (error || !req->newptr)
237 		return error;
238 	hardled = (hardled != 0);
239 	if (hardled != sc->sc_hardled) {
240 		if (hardled) {
241 			/* NB: handle any sc_ledpin change */
242 			ath_led_config(sc);
243 		}
244 		sc->sc_hardled = hardled;
245 	}
246 	return 0;
247 }
248 
249 static int
ath_sysctl_txantenna(SYSCTL_HANDLER_ARGS)250 ath_sysctl_txantenna(SYSCTL_HANDLER_ARGS)
251 {
252 	struct ath_softc *sc = arg1;
253 	u_int txantenna;
254 	int error;
255 
256 	ATH_LOCK(sc);
257 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
258 	ATH_UNLOCK(sc);
259 
260 	txantenna = ath_hal_getantennaswitch(sc->sc_ah);
261 
262 	error = sysctl_handle_int(oidp, &txantenna, 0, req);
263 	if (!error && req->newptr) {
264 		/* XXX assumes 2 antenna ports */
265 		if (txantenna < HAL_ANT_VARIABLE || txantenna > HAL_ANT_FIXED_B) {
266 			error = EINVAL;
267 			goto finish;
268 		}
269 		ath_hal_setantennaswitch(sc->sc_ah, txantenna);
270 		/*
271 		 * NB: with the switch locked this isn't meaningful,
272 		 *     but set it anyway so things like radiotap get
273 		 *     consistent info in their data.
274 		 */
275 		sc->sc_txantenna = txantenna;
276 	}
277 
278 finish:
279 	ATH_LOCK(sc);
280 	ath_power_restore_power_state(sc);
281 	ATH_UNLOCK(sc);
282 
283 	return (error);
284 }
285 
286 static int
ath_sysctl_rxantenna(SYSCTL_HANDLER_ARGS)287 ath_sysctl_rxantenna(SYSCTL_HANDLER_ARGS)
288 {
289 	struct ath_softc *sc = arg1;
290 	u_int defantenna;
291 	int error;
292 
293 	ATH_LOCK(sc);
294 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
295 	defantenna = ath_hal_getdefantenna(sc->sc_ah);
296 	ATH_UNLOCK(sc);
297 
298 	error = sysctl_handle_int(oidp, &defantenna, 0, req);
299 	if (!error && req->newptr)
300 		ath_hal_setdefantenna(sc->sc_ah, defantenna);
301 
302 	ATH_LOCK(sc);
303 	ath_power_restore_power_state(sc);
304 	ATH_UNLOCK(sc);
305 
306 	return (error);
307 }
308 
309 static int
ath_sysctl_diversity(SYSCTL_HANDLER_ARGS)310 ath_sysctl_diversity(SYSCTL_HANDLER_ARGS)
311 {
312 	struct ath_softc *sc = arg1;
313 	u_int diversity;
314 	int error;
315 
316 	ATH_LOCK(sc);
317 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
318 	ATH_UNLOCK(sc);
319 
320 	diversity = ath_hal_getdiversity(sc->sc_ah);
321 
322 	error = sysctl_handle_int(oidp, &diversity, 0, req);
323 	if (error || !req->newptr)
324 		goto finish;
325 	if (!ath_hal_setdiversity(sc->sc_ah, diversity)) {
326 		error = EINVAL;
327 		goto finish;
328 	}
329 	sc->sc_diversity = diversity;
330 	error = 0;
331 
332 finish:
333 	ATH_LOCK(sc);
334 	ath_power_restore_power_state(sc);
335 	ATH_UNLOCK(sc);
336 
337 	return (error);
338 }
339 
340 static int
ath_sysctl_diag(SYSCTL_HANDLER_ARGS)341 ath_sysctl_diag(SYSCTL_HANDLER_ARGS)
342 {
343 	struct ath_softc *sc = arg1;
344 	u_int32_t diag;
345 	int error;
346 
347 	ATH_LOCK(sc);
348 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
349 	ATH_UNLOCK(sc);
350 
351 	if (!ath_hal_getdiag(sc->sc_ah, &diag)) {
352 		error = EINVAL;
353 		goto finish;
354 	}
355 
356 	error = sysctl_handle_int(oidp, &diag, 0, req);
357 	if (error || !req->newptr)
358 		goto finish;
359 	error = !ath_hal_setdiag(sc->sc_ah, diag) ? EINVAL : 0;
360 
361 finish:
362 	ATH_LOCK(sc);
363 	ath_power_restore_power_state(sc);
364 	ATH_UNLOCK(sc);
365 
366 	return (error);
367 }
368 
369 static int
ath_sysctl_tpscale(SYSCTL_HANDLER_ARGS)370 ath_sysctl_tpscale(SYSCTL_HANDLER_ARGS)
371 {
372 	struct ath_softc *sc = arg1;
373 	u_int32_t scale;
374 	int error;
375 
376 	ATH_LOCK(sc);
377 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
378 	ATH_UNLOCK(sc);
379 
380 	(void) ath_hal_gettpscale(sc->sc_ah, &scale);
381 	error = sysctl_handle_int(oidp, &scale, 0, req);
382 	if (error || !req->newptr)
383 		goto finish;
384 
385 	error = !ath_hal_settpscale(sc->sc_ah, scale) ? EINVAL :
386 	    (sc->sc_running) ? ath_reset(sc, ATH_RESET_NOLOSS) : 0;
387 
388 finish:
389 	ATH_LOCK(sc);
390 	ath_power_restore_power_state(sc);
391 	ATH_UNLOCK(sc);
392 
393 	return (error);
394 }
395 
396 static int
ath_sysctl_tpc(SYSCTL_HANDLER_ARGS)397 ath_sysctl_tpc(SYSCTL_HANDLER_ARGS)
398 {
399 	struct ath_softc *sc = arg1;
400 	u_int tpc;
401 	int error;
402 
403 	ATH_LOCK(sc);
404 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
405 	ATH_UNLOCK(sc);
406 
407 	tpc = ath_hal_gettpc(sc->sc_ah);
408 
409 	error = sysctl_handle_int(oidp, &tpc, 0, req);
410 	if (error || !req->newptr)
411 		goto finish;
412 	error = !ath_hal_settpc(sc->sc_ah, tpc) ? EINVAL : 0;
413 
414 finish:
415 	ATH_LOCK(sc);
416 	ath_power_restore_power_state(sc);
417 	ATH_UNLOCK(sc);
418 
419 	return (error);
420 }
421 
422 static int
ath_sysctl_rfkill(SYSCTL_HANDLER_ARGS)423 ath_sysctl_rfkill(SYSCTL_HANDLER_ARGS)
424 {
425 	struct ath_softc *sc = arg1;
426 	struct ath_hal *ah = sc->sc_ah;
427 	u_int rfkill;
428 	int error;
429 
430 	ATH_LOCK(sc);
431 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
432 	ATH_UNLOCK(sc);
433 
434 	rfkill = ath_hal_getrfkill(ah);
435 
436 	error = sysctl_handle_int(oidp, &rfkill, 0, req);
437 	if (error || !req->newptr)
438 		goto finish;
439 	if (rfkill == ath_hal_getrfkill(ah)) {	/* unchanged */
440 		error = 0;
441 		goto finish;
442 	}
443 	if (!ath_hal_setrfkill(ah, rfkill)) {
444 		error = EINVAL;
445 		goto finish;
446 	}
447 	error = sc->sc_running ? ath_reset(sc, ATH_RESET_FULL) : 0;
448 
449 finish:
450 	ATH_LOCK(sc);
451 	ath_power_restore_power_state(sc);
452 	ATH_UNLOCK(sc);
453 
454 	return (error);
455 }
456 
457 static int
ath_sysctl_txagg(SYSCTL_HANDLER_ARGS)458 ath_sysctl_txagg(SYSCTL_HANDLER_ARGS)
459 {
460 	struct ath_softc *sc = arg1;
461 	int i, t, param = 0;
462 	int error;
463 	struct ath_buf *bf;
464 
465 	error = sysctl_handle_int(oidp, &param, 0, req);
466 	if (error || !req->newptr)
467 		return error;
468 
469 	if (param != 1)
470 		return 0;
471 
472 	kprintf("no tx bufs (empty list): %d\n", sc->sc_stats.ast_tx_getnobuf);
473 	kprintf("no tx bufs (was busy): %d\n", sc->sc_stats.ast_tx_getbusybuf);
474 
475 	kprintf("aggr single packet: %d\n",
476 	    sc->sc_aggr_stats.aggr_single_pkt);
477 	kprintf("aggr single packet w/ BAW closed: %d\n",
478 	    sc->sc_aggr_stats.aggr_baw_closed_single_pkt);
479 	kprintf("aggr non-baw packet: %d\n",
480 	    sc->sc_aggr_stats.aggr_nonbaw_pkt);
481 	kprintf("aggr aggregate packet: %d\n",
482 	    sc->sc_aggr_stats.aggr_aggr_pkt);
483 	kprintf("aggr single packet low hwq: %d\n",
484 	    sc->sc_aggr_stats.aggr_low_hwq_single_pkt);
485 	kprintf("aggr single packet RTS aggr limited: %d\n",
486 	    sc->sc_aggr_stats.aggr_rts_aggr_limited);
487 	kprintf("aggr sched, no work: %d\n",
488 	    sc->sc_aggr_stats.aggr_sched_nopkt);
489 	for (i = 0; i < 64; i++) {
490 		kprintf("%2d: %10d ", i, sc->sc_aggr_stats.aggr_pkts[i]);
491 		if (i % 4 == 3)
492 			kprintf("\n");
493 	}
494 	kprintf("\n");
495 
496 	for (i = 0; i < HAL_NUM_TX_QUEUES; i++) {
497 		if (ATH_TXQ_SETUP(sc, i)) {
498 			kprintf("HW TXQ %d: axq_depth=%d, axq_aggr_depth=%d, "
499 			    "axq_fifo_depth=%d, holdingbf=%p\n",
500 			    i,
501 			    sc->sc_txq[i].axq_depth,
502 			    sc->sc_txq[i].axq_aggr_depth,
503 			    sc->sc_txq[i].axq_fifo_depth,
504 			    sc->sc_txq[i].axq_holdingbf);
505 		}
506 	}
507 
508 	i = t = 0;
509 	ATH_TXBUF_LOCK(sc);
510 	TAILQ_FOREACH(bf, &sc->sc_txbuf, bf_list) {
511 		if (bf->bf_flags & ATH_BUF_BUSY) {
512 			kprintf("Busy: %d\n", t);
513 			i++;
514 		}
515 		t++;
516 	}
517 	ATH_TXBUF_UNLOCK(sc);
518 	kprintf("Total TX buffers: %d; Total TX buffers busy: %d (%d)\n",
519 	    t, i, sc->sc_txbuf_cnt);
520 
521 	i = t = 0;
522 	ATH_TXBUF_LOCK(sc);
523 	TAILQ_FOREACH(bf, &sc->sc_txbuf_mgmt, bf_list) {
524 		if (bf->bf_flags & ATH_BUF_BUSY) {
525 			kprintf("Busy: %d\n", t);
526 			i++;
527 		}
528 		t++;
529 	}
530 	ATH_TXBUF_UNLOCK(sc);
531 	kprintf("Total mgmt TX buffers: %d; Total mgmt TX buffers busy: %d\n",
532 	    t, i);
533 
534 	ATH_RX_LOCK(sc);
535 	for (i = 0; i < 2; i++) {
536 		kprintf("%d: fifolen: %d/%d; head=%d; tail=%d; m_pending=%p, m_holdbf=%p\n",
537 		    i,
538 		    sc->sc_rxedma[i].m_fifo_depth,
539 		    sc->sc_rxedma[i].m_fifolen,
540 		    sc->sc_rxedma[i].m_fifo_head,
541 		    sc->sc_rxedma[i].m_fifo_tail,
542 		    sc->sc_rxedma[i].m_rxpending,
543 		    sc->sc_rxedma[i].m_holdbf);
544 	}
545 	i = 0;
546 	TAILQ_FOREACH(bf, &sc->sc_rxbuf, bf_list) {
547 		i++;
548 	}
549 	kprintf("Total RX buffers in free list: %d buffers\n",
550 	    i);
551 	ATH_RX_UNLOCK(sc);
552 
553 	return 0;
554 }
555 
556 static int
ath_sysctl_rfsilent(SYSCTL_HANDLER_ARGS)557 ath_sysctl_rfsilent(SYSCTL_HANDLER_ARGS)
558 {
559 	struct ath_softc *sc = arg1;
560 	u_int rfsilent;
561 	int error;
562 
563 	ATH_LOCK(sc);
564 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
565 	ATH_UNLOCK(sc);
566 
567 	(void) ath_hal_getrfsilent(sc->sc_ah, &rfsilent);
568 	error = sysctl_handle_int(oidp, &rfsilent, 0, req);
569 	if (error || !req->newptr)
570 		goto finish;
571 	if (!ath_hal_setrfsilent(sc->sc_ah, rfsilent)) {
572 		error = EINVAL;
573 		goto finish;
574 	}
575 	/*
576 	 * Earlier chips (< AR5212) have up to 8 GPIO
577 	 * pins exposed.
578 	 *
579 	 * AR5416 and later chips have many more GPIO
580 	 * pins (up to 16) so the mask is expanded to
581 	 * four bits.
582 	 */
583 	sc->sc_rfsilentpin = rfsilent & 0x3c;
584 	sc->sc_rfsilentpol = (rfsilent & 0x2) != 0;
585 	error = 0;
586 
587 finish:
588 	ATH_LOCK(sc);
589 	ath_power_restore_power_state(sc);
590 	ATH_UNLOCK(sc);
591 
592 	return (error);
593 }
594 
595 static int
ath_sysctl_tpack(SYSCTL_HANDLER_ARGS)596 ath_sysctl_tpack(SYSCTL_HANDLER_ARGS)
597 {
598 	struct ath_softc *sc = arg1;
599 	u_int32_t tpack;
600 	int error;
601 
602 	ATH_LOCK(sc);
603 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
604 	ATH_UNLOCK(sc);
605 
606 	(void) ath_hal_gettpack(sc->sc_ah, &tpack);
607 	error = sysctl_handle_int(oidp, &tpack, 0, req);
608 	if (error || !req->newptr)
609 		goto finish;
610 	error = !ath_hal_settpack(sc->sc_ah, tpack) ? EINVAL : 0;
611 
612 finish:
613 	ATH_LOCK(sc);
614 	ath_power_restore_power_state(sc);
615 	ATH_UNLOCK(sc);
616 
617 	return (error);
618 }
619 
620 static int
ath_sysctl_tpcts(SYSCTL_HANDLER_ARGS)621 ath_sysctl_tpcts(SYSCTL_HANDLER_ARGS)
622 {
623 	struct ath_softc *sc = arg1;
624 	u_int32_t tpcts;
625 	int error;
626 
627 	ATH_LOCK(sc);
628 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
629 	ATH_UNLOCK(sc);
630 
631 	(void) ath_hal_gettpcts(sc->sc_ah, &tpcts);
632 	error = sysctl_handle_int(oidp, &tpcts, 0, req);
633 	if (error || !req->newptr)
634 		goto finish;
635 
636 	error = !ath_hal_settpcts(sc->sc_ah, tpcts) ? EINVAL : 0;
637 
638 finish:
639 	ATH_LOCK(sc);
640 	ath_power_restore_power_state(sc);
641 	ATH_UNLOCK(sc);
642 
643 	return (error);
644 }
645 
646 static int
ath_sysctl_intmit(SYSCTL_HANDLER_ARGS)647 ath_sysctl_intmit(SYSCTL_HANDLER_ARGS)
648 {
649 	struct ath_softc *sc = arg1;
650 	int intmit, error;
651 
652 	ATH_LOCK(sc);
653 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
654 	ATH_UNLOCK(sc);
655 
656 	intmit = ath_hal_getintmit(sc->sc_ah);
657 	error = sysctl_handle_int(oidp, &intmit, 0, req);
658 	if (error || !req->newptr)
659 		goto finish;
660 
661 	/* reusing error; 1 here means "good"; 0 means "fail" */
662 	error = ath_hal_setintmit(sc->sc_ah, intmit);
663 	if (! error) {
664 		error = EINVAL;
665 		goto finish;
666 	}
667 
668 	/*
669 	 * Reset the hardware here - disabling ANI in the HAL
670 	 * doesn't reset ANI related registers, so it'll leave
671 	 * things in an inconsistent state.
672 	 */
673 	if (sc->sc_running)
674 		ath_reset(sc, ATH_RESET_NOLOSS);
675 
676 	error = 0;
677 
678 finish:
679 	ATH_LOCK(sc);
680 	ath_power_restore_power_state(sc);
681 	ATH_UNLOCK(sc);
682 
683 	return (error);
684 }
685 
686 #ifdef IEEE80211_SUPPORT_TDMA
687 static int
ath_sysctl_setcca(SYSCTL_HANDLER_ARGS)688 ath_sysctl_setcca(SYSCTL_HANDLER_ARGS)
689 {
690 	struct ath_softc *sc = arg1;
691 	int setcca, error;
692 
693 	setcca = sc->sc_setcca;
694 	error = sysctl_handle_int(oidp, &setcca, 0, req);
695 	if (error || !req->newptr)
696 		return error;
697 	sc->sc_setcca = (setcca != 0);
698 	return 0;
699 }
700 #endif /* IEEE80211_SUPPORT_TDMA */
701 
702 static int
ath_sysctl_forcebstuck(SYSCTL_HANDLER_ARGS)703 ath_sysctl_forcebstuck(SYSCTL_HANDLER_ARGS)
704 {
705 	struct ath_softc *sc = arg1;
706 	int val = 0;
707 	int error;
708 
709 	error = sysctl_handle_int(oidp, &val, 0, req);
710 	if (error || !req->newptr)
711 		return error;
712 	if (val == 0)
713 		return 0;
714 
715 	taskqueue_enqueue(sc->sc_tq, &sc->sc_bstucktask);
716 	val = 0;
717 	return 0;
718 }
719 
720 static int
ath_sysctl_hangcheck(SYSCTL_HANDLER_ARGS)721 ath_sysctl_hangcheck(SYSCTL_HANDLER_ARGS)
722 {
723 	struct ath_softc *sc = arg1;
724 	int val = 0;
725 	int error;
726 	uint32_t mask = 0xffffffff;
727 	uint32_t *sp;
728 	uint32_t rsize;
729 	struct ath_hal *ah = sc->sc_ah;
730 
731 	error = sysctl_handle_int(oidp, &val, 0, req);
732 	if (error || !req->newptr)
733 		return error;
734 	if (val == 0)
735 		return 0;
736 
737 	ATH_LOCK(sc);
738 	ath_power_set_power_state(sc, HAL_PM_AWAKE);
739 	ATH_UNLOCK(sc);
740 
741 	/* Do a hang check */
742 	if (!ath_hal_getdiagstate(ah, HAL_DIAG_CHECK_HANGS,
743 	    &mask, sizeof(mask),
744 	    (void *) &sp, &rsize)) {
745 		error = 0;
746 		goto finish;
747 	}
748 
749 	device_printf(sc->sc_dev, "%s: sp=0x%08x\n", __func__, *sp);
750 
751 	val = 0;
752 	error = 0;
753 finish:
754 	ATH_LOCK(sc);
755 	ath_power_restore_power_state(sc);
756 	ATH_UNLOCK(sc);
757 
758 	return (error);
759 }
760 
761 #ifdef ATH_DEBUG_ALQ
762 static int
ath_sysctl_alq_log(SYSCTL_HANDLER_ARGS)763 ath_sysctl_alq_log(SYSCTL_HANDLER_ARGS)
764 {
765 	struct ath_softc *sc = arg1;
766 	int error, enable;
767 
768 	enable = (sc->sc_alq.sc_alq_isactive);
769 
770 	error = sysctl_handle_int(oidp, &enable, 0, req);
771 	if (error || !req->newptr)
772 		return (error);
773 	else if (enable)
774 		error = if_ath_alq_start(&sc->sc_alq);
775 	else
776 		error = if_ath_alq_stop(&sc->sc_alq);
777 	return (error);
778 }
779 
780 /*
781  * Attach the ALQ debugging if required.
782  */
783 static void
ath_sysctl_alq_attach(struct ath_softc * sc)784 ath_sysctl_alq_attach(struct ath_softc *sc)
785 {
786 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
787 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
788 	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
789 
790 	tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "alq", CTLFLAG_RD,
791 	    NULL, "Atheros ALQ logging parameters");
792 	child = SYSCTL_CHILDREN(tree);
793 
794 	SYSCTL_ADD_STRING(ctx, child, OID_AUTO, "filename",
795 	    CTLFLAG_RW, sc->sc_alq.sc_alq_filename, 0, "ALQ filename");
796 
797 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
798 		"enable", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
799 		ath_sysctl_alq_log, "I", "");
800 
801 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
802 		"debugmask", CTLFLAG_RW, &sc->sc_alq.sc_alq_debug, 0,
803 		"ALQ debug mask");
804 
805 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
806 		"numlost", CTLFLAG_RW, &sc->sc_alq.sc_alq_numlost, 0,
807 		"number lost");
808 }
809 #endif /* ATH_DEBUG_ALQ */
810 
811 void
ath_sysctlattach(struct ath_softc * sc)812 ath_sysctlattach(struct ath_softc *sc)
813 {
814 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
815 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
816 	struct ath_hal *ah = sc->sc_ah;
817 
818 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
819 		"countrycode", CTLFLAG_RD, &sc->sc_eecc, 0,
820 		"EEPROM country code");
821 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
822 		"regdomain", CTLFLAG_RD, &sc->sc_eerd, 0,
823 		"EEPROM regdomain code");
824 #ifdef	ATH_DEBUG
825 	SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
826 		"debug", CTLFLAG_RW, &sc->sc_debug,
827 #if defined(__DragonFly__)
828 		0,
829 #endif
830 		"control debugging printfs");
831 #endif
832 #ifdef	ATH_DEBUG_ALQ
833 	SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
834 		"ktrdebug", CTLFLAG_RW, &sc->sc_ktrdebug,
835 #if defined(__DragonFly__)
836 		0,
837 #endif
838 		"control debugging KTR");
839 #endif /* ATH_DEBUG_ALQ */
840 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
841 		"slottime", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
842 		ath_sysctl_slottime, "I", "802.11 slot time (us)");
843 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
844 		"acktimeout", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
845 		ath_sysctl_acktimeout, "I", "802.11 ACK timeout (us)");
846 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
847 		"ctstimeout", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
848 		ath_sysctl_ctstimeout, "I", "802.11 CTS timeout (us)");
849 
850 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
851 		"softled", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
852 		ath_sysctl_softled, "I", "enable/disable software LED support");
853 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
854 		"ledpin", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
855 		ath_sysctl_ledpin, "I", "GPIO pin connected to LED");
856 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
857 		"ledon", CTLFLAG_RW, &sc->sc_ledon, 0,
858 		"setting to turn LED on");
859 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
860 		"ledidle", CTLFLAG_RW, &sc->sc_ledidle, 0,
861 		"idle time for inactivity LED (ticks)");
862 
863 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
864 		"hardled", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
865 		ath_sysctl_hardled, "I", "enable/disable hardware LED support");
866 	/* XXX Laziness - configure pins, then flip hardled off/on */
867 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
868 		"led_net_pin", CTLFLAG_RW, &sc->sc_led_net_pin, 0,
869 		"MAC Network LED pin, or -1 to disable");
870 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
871 		"led_pwr_pin", CTLFLAG_RW, &sc->sc_led_pwr_pin, 0,
872 		"MAC Power LED pin, or -1 to disable");
873 
874 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
875 		"txantenna", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
876 		ath_sysctl_txantenna, "I", "antenna switch");
877 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
878 		"rxantenna", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
879 		ath_sysctl_rxantenna, "I", "default/rx antenna");
880 	if (ath_hal_hasdiversity(ah))
881 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
882 			"diversity", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
883 			ath_sysctl_diversity, "I", "antenna diversity");
884 	sc->sc_txintrperiod = ATH_TXINTR_PERIOD;
885 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
886 		"txintrperiod", CTLFLAG_RW, &sc->sc_txintrperiod, 0,
887 		"tx descriptor batching");
888 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
889 		"diag", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
890 		ath_sysctl_diag, "I", "h/w diagnostic control");
891 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
892 		"tpscale", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
893 		ath_sysctl_tpscale, "I", "tx power scaling");
894 	if (ath_hal_hastpc(ah)) {
895 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
896 			"tpc", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
897 			ath_sysctl_tpc, "I", "enable/disable per-packet TPC");
898 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
899 			"tpack", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
900 			ath_sysctl_tpack, "I", "tx power for ack frames");
901 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
902 			"tpcts", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
903 			ath_sysctl_tpcts, "I", "tx power for cts frames");
904 	}
905 	if (ath_hal_hasrfsilent(ah)) {
906 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
907 			"rfsilent", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
908 			ath_sysctl_rfsilent, "I", "h/w RF silent config");
909 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
910 			"rfkill", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
911 			ath_sysctl_rfkill, "I", "enable/disable RF kill switch");
912 	}
913 
914 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
915 		"txagg", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
916 		ath_sysctl_txagg, "I", "");
917 
918 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
919 		"forcebstuck", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
920 		ath_sysctl_forcebstuck, "I", "");
921 
922 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
923 		"hangcheck", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
924 		ath_sysctl_hangcheck, "I", "");
925 
926 	if (ath_hal_hasintmit(ah)) {
927 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
928 			"intmit", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
929 			ath_sysctl_intmit, "I", "interference mitigation");
930 	}
931 	sc->sc_monpass = HAL_RXERR_DECRYPT | HAL_RXERR_MIC;
932 	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
933 		"monpass", CTLFLAG_RW, &sc->sc_monpass, 0,
934 		"mask of error frames to pass when monitoring");
935 
936 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
937 		"hwq_limit_nonaggr", CTLFLAG_RW, &sc->sc_hwq_limit_nonaggr, 0,
938 		"Hardware non-AMPDU queue depth before software-queuing TX frames");
939 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
940 		"hwq_limit_aggr", CTLFLAG_RW, &sc->sc_hwq_limit_aggr, 0,
941 		"Hardware AMPDU queue depth before software-queuing TX frames");
942 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
943 		"tid_hwq_lo", CTLFLAG_RW, &sc->sc_tid_hwq_lo, 0,
944 		"");
945 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
946 		"tid_hwq_hi", CTLFLAG_RW, &sc->sc_tid_hwq_hi, 0,
947 		"");
948 
949 	/* Aggregate length twiddles */
950 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
951 		"aggr_limit", CTLFLAG_RW, &sc->sc_aggr_limit, 0,
952 		"Maximum A-MPDU size, or 0 for 'default'");
953 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
954 		"rts_aggr_limit", CTLFLAG_RW, &sc->sc_rts_aggr_limit, 0,
955 		"Maximum A-MPDU size for RTS-protected frames, or '0' "
956 		"for default");
957 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
958 		"delim_min_pad", CTLFLAG_RW, &sc->sc_delim_min_pad, 0,
959 		"Enforce a minimum number of delimiters per A-MPDU "
960 		" sub-frame");
961 
962 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
963 		"txq_data_minfree", CTLFLAG_RW, &sc->sc_txq_data_minfree,
964 		0, "Minimum free buffers before adding a data frame"
965 		" to the TX queue");
966 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
967 		"txq_mcastq_maxdepth", CTLFLAG_RW,
968 		&sc->sc_txq_mcastq_maxdepth, 0,
969 		"Maximum buffer depth for multicast/broadcast frames");
970 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
971 		"txq_node_maxdepth", CTLFLAG_RW,
972 		&sc->sc_txq_node_maxdepth, 0,
973 		"Maximum buffer depth for a single node");
974 
975 #if 0
976 	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
977 		"cabq_enable", CTLFLAG_RW,
978 		&sc->sc_cabq_enable, 0,
979 		"Whether to transmit on the CABQ or not");
980 #endif
981 
982 #ifdef IEEE80211_SUPPORT_TDMA
983 	if (ath_hal_macversion(ah) > 0x78) {
984 		sc->sc_tdmadbaprep = 2;
985 		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
986 			"dbaprep", CTLFLAG_RW, &sc->sc_tdmadbaprep, 0,
987 			"TDMA DBA preparation time");
988 		sc->sc_tdmaswbaprep = 10;
989 		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
990 			"swbaprep", CTLFLAG_RW, &sc->sc_tdmaswbaprep, 0,
991 			"TDMA SWBA preparation time");
992 		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
993 			"guardtime", CTLFLAG_RW, &sc->sc_tdmaguard, 0,
994 			"TDMA slot guard time");
995 		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
996 			"superframe", CTLFLAG_RD, &sc->sc_tdmabintval, 0,
997 			"TDMA calculated super frame");
998 		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
999 			"setcca", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
1000 			ath_sysctl_setcca, "I", "enable CCA control");
1001 	}
1002 #endif
1003 
1004 #ifdef	ATH_DEBUG_ALQ
1005 	ath_sysctl_alq_attach(sc);
1006 #endif
1007 }
1008 
1009 static int
ath_sysctl_clearstats(SYSCTL_HANDLER_ARGS)1010 ath_sysctl_clearstats(SYSCTL_HANDLER_ARGS)
1011 {
1012 	struct ath_softc *sc = arg1;
1013 	int val = 0;
1014 	int error;
1015 
1016 	error = sysctl_handle_int(oidp, &val, 0, req);
1017 	if (error || !req->newptr)
1018 		return error;
1019 	if (val == 0)
1020 		return 0;       /* Not clearing the stats is still valid */
1021 	memset(&sc->sc_stats, 0, sizeof(sc->sc_stats));
1022 	memset(&sc->sc_aggr_stats, 0, sizeof(sc->sc_aggr_stats));
1023 	memset(&sc->sc_intr_stats, 0, sizeof(sc->sc_intr_stats));
1024 
1025 	val = 0;
1026 	return 0;
1027 }
1028 
1029 static void
ath_sysctl_stats_attach_rxphyerr(struct ath_softc * sc,struct sysctl_oid_list * parent)1030 ath_sysctl_stats_attach_rxphyerr(struct ath_softc *sc, struct sysctl_oid_list *parent)
1031 {
1032 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
1033 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
1034 	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
1035 	int i;
1036 	char sn[8];
1037 
1038 	tree = SYSCTL_ADD_NODE(ctx, parent, OID_AUTO, "rx_phy_err", CTLFLAG_RD, NULL, "Per-code RX PHY Errors");
1039 	child = SYSCTL_CHILDREN(tree);
1040 	for (i = 0; i < 64; i++) {
1041 		ksnprintf(sn, sizeof(sn), "%d", i);
1042 		SYSCTL_ADD_UINT(ctx, child, OID_AUTO, sn, CTLFLAG_RD, &sc->sc_stats.ast_rx_phy[i], 0, "");
1043 	}
1044 }
1045 
1046 static void
ath_sysctl_stats_attach_intr(struct ath_softc * sc,struct sysctl_oid_list * parent)1047 ath_sysctl_stats_attach_intr(struct ath_softc *sc,
1048     struct sysctl_oid_list *parent)
1049 {
1050 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
1051 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
1052 	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
1053 	int i;
1054 	char sn[8];
1055 
1056 	tree = SYSCTL_ADD_NODE(ctx, parent, OID_AUTO, "sync_intr",
1057 	    CTLFLAG_RD, NULL, "Sync interrupt statistics");
1058 	child = SYSCTL_CHILDREN(tree);
1059 	for (i = 0; i < 32; i++) {
1060 		ksnprintf(sn, sizeof(sn), "%d", i);
1061 		SYSCTL_ADD_UINT(ctx, child, OID_AUTO, sn, CTLFLAG_RD,
1062 		    &sc->sc_intr_stats.sync_intr[i], 0, "");
1063 	}
1064 }
1065 
1066 void
ath_sysctl_stats_attach(struct ath_softc * sc)1067 ath_sysctl_stats_attach(struct ath_softc *sc)
1068 {
1069 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
1070 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
1071 	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
1072 
1073 	/* Create "clear" node */
1074 	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
1075 	    "clear_stats", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
1076 	    ath_sysctl_clearstats, "I", "clear stats");
1077 
1078 	/* Create stats node */
1079 	tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD,
1080 	    NULL, "Statistics");
1081 	child = SYSCTL_CHILDREN(tree);
1082 
1083 	/* This was generated from if_athioctl.h */
1084 
1085 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_watchdog", CTLFLAG_RD,
1086 	    &sc->sc_stats.ast_watchdog, 0, "device reset by watchdog");
1087 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_hardware", CTLFLAG_RD,
1088 	    &sc->sc_stats.ast_hardware, 0, "fatal hardware error interrupts");
1089 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bmiss", CTLFLAG_RD,
1090 	    &sc->sc_stats.ast_bmiss, 0, "beacon miss interrupts");
1091 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bmiss_phantom", CTLFLAG_RD,
1092 	    &sc->sc_stats.ast_bmiss_phantom, 0, "beacon miss interrupts");
1093 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bstuck", CTLFLAG_RD,
1094 	    &sc->sc_stats.ast_bstuck, 0, "beacon stuck interrupts");
1095 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rxorn", CTLFLAG_RD,
1096 	    &sc->sc_stats.ast_rxorn, 0, "rx overrun interrupts");
1097 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rxeol", CTLFLAG_RD,
1098 	    &sc->sc_stats.ast_rxeol, 0, "rx eol interrupts");
1099 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_txurn", CTLFLAG_RD,
1100 	    &sc->sc_stats.ast_txurn, 0, "tx underrun interrupts");
1101 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_mib", CTLFLAG_RD,
1102 	    &sc->sc_stats.ast_mib, 0, "mib interrupts");
1103 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_intrcoal", CTLFLAG_RD,
1104 	    &sc->sc_stats.ast_intrcoal, 0, "interrupts coalesced");
1105 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_packets", CTLFLAG_RD,
1106 	    &sc->sc_stats.ast_tx_packets, 0, "packet sent on the interface");
1107 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_mgmt", CTLFLAG_RD,
1108 	    &sc->sc_stats.ast_tx_mgmt, 0, "management frames transmitted");
1109 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_discard", CTLFLAG_RD,
1110 	    &sc->sc_stats.ast_tx_discard, 0, "frames discarded prior to assoc");
1111 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_qstop", CTLFLAG_RD,
1112 	    &sc->sc_stats.ast_tx_qstop, 0, "output stopped 'cuz no buffer");
1113 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_encap", CTLFLAG_RD,
1114 	    &sc->sc_stats.ast_tx_encap, 0, "tx encapsulation failed");
1115 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nonode", CTLFLAG_RD,
1116 	    &sc->sc_stats.ast_tx_nonode, 0, "tx failed 'cuz no node");
1117 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nombuf", CTLFLAG_RD,
1118 	    &sc->sc_stats.ast_tx_nombuf, 0, "tx failed 'cuz no mbuf");
1119 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nomcl", CTLFLAG_RD,
1120 	    &sc->sc_stats.ast_tx_nomcl, 0, "tx failed 'cuz no cluster");
1121 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_linear", CTLFLAG_RD,
1122 	    &sc->sc_stats.ast_tx_linear, 0, "tx linearized to cluster");
1123 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nodata", CTLFLAG_RD,
1124 	    &sc->sc_stats.ast_tx_nodata, 0, "tx discarded empty frame");
1125 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_busdma", CTLFLAG_RD,
1126 	    &sc->sc_stats.ast_tx_busdma, 0, "tx failed for dma resrcs");
1127 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_xretries", CTLFLAG_RD,
1128 	    &sc->sc_stats.ast_tx_xretries, 0, "tx failed 'cuz too many retries");
1129 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_fifoerr", CTLFLAG_RD,
1130 	    &sc->sc_stats.ast_tx_fifoerr, 0, "tx failed 'cuz FIFO underrun");
1131 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_filtered", CTLFLAG_RD,
1132 	    &sc->sc_stats.ast_tx_filtered, 0, "tx failed 'cuz xmit filtered");
1133 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_shortretry", CTLFLAG_RD,
1134 	    &sc->sc_stats.ast_tx_shortretry, 0, "tx on-chip retries (short)");
1135 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_longretry", CTLFLAG_RD,
1136 	    &sc->sc_stats.ast_tx_longretry, 0, "tx on-chip retries (long)");
1137 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_badrate", CTLFLAG_RD,
1138 	    &sc->sc_stats.ast_tx_badrate, 0, "tx failed 'cuz bogus xmit rate");
1139 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_noack", CTLFLAG_RD,
1140 	    &sc->sc_stats.ast_tx_noack, 0, "tx frames with no ack marked");
1141 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_rts", CTLFLAG_RD,
1142 	    &sc->sc_stats.ast_tx_rts, 0, "tx frames with rts enabled");
1143 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_cts", CTLFLAG_RD,
1144 	    &sc->sc_stats.ast_tx_cts, 0, "tx frames with cts enabled");
1145 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_shortpre", CTLFLAG_RD,
1146 	    &sc->sc_stats.ast_tx_shortpre, 0, "tx frames with short preamble");
1147 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_altrate", CTLFLAG_RD,
1148 	    &sc->sc_stats.ast_tx_altrate, 0, "tx frames with alternate rate");
1149 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_protect", CTLFLAG_RD,
1150 	    &sc->sc_stats.ast_tx_protect, 0, "tx frames with protection");
1151 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_ctsburst", CTLFLAG_RD,
1152 	    &sc->sc_stats.ast_tx_ctsburst, 0, "tx frames with cts and bursting");
1153 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_ctsext", CTLFLAG_RD,
1154 	    &sc->sc_stats.ast_tx_ctsext, 0, "tx frames with cts extension");
1155 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_nombuf", CTLFLAG_RD,
1156 	    &sc->sc_stats.ast_rx_nombuf, 0, "rx setup failed 'cuz no mbuf");
1157 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_busdma", CTLFLAG_RD,
1158 	    &sc->sc_stats.ast_rx_busdma, 0, "rx setup failed for dma resrcs");
1159 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_orn", CTLFLAG_RD,
1160 	    &sc->sc_stats.ast_rx_orn, 0, "rx failed 'cuz of desc overrun");
1161 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_crcerr", CTLFLAG_RD,
1162 	    &sc->sc_stats.ast_rx_crcerr, 0, "rx failed 'cuz of bad CRC");
1163 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_fifoerr", CTLFLAG_RD,
1164 	    &sc->sc_stats.ast_rx_fifoerr, 0, "rx failed 'cuz of FIFO overrun");
1165 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_badcrypt", CTLFLAG_RD,
1166 	    &sc->sc_stats.ast_rx_badcrypt, 0, "rx failed 'cuz decryption");
1167 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_badmic", CTLFLAG_RD,
1168 	    &sc->sc_stats.ast_rx_badmic, 0, "rx failed 'cuz MIC failure");
1169 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_phyerr", CTLFLAG_RD,
1170 	    &sc->sc_stats.ast_rx_phyerr, 0, "rx failed 'cuz of PHY err");
1171 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_tooshort", CTLFLAG_RD,
1172 	    &sc->sc_stats.ast_rx_tooshort, 0, "rx discarded 'cuz frame too short");
1173 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_toobig", CTLFLAG_RD,
1174 	    &sc->sc_stats.ast_rx_toobig, 0, "rx discarded 'cuz frame too large");
1175 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_packets", CTLFLAG_RD,
1176 	    &sc->sc_stats.ast_rx_packets, 0, "packet recv on the interface");
1177 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_mgt", CTLFLAG_RD,
1178 	    &sc->sc_stats.ast_rx_mgt, 0, "management frames received");
1179 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_ctl", CTLFLAG_RD,
1180 	    &sc->sc_stats.ast_rx_ctl, 0, "rx discarded 'cuz ctl frame");
1181 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_xmit", CTLFLAG_RD,
1182 	    &sc->sc_stats.ast_be_xmit, 0, "beacons transmitted");
1183 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_nombuf", CTLFLAG_RD,
1184 	    &sc->sc_stats.ast_be_nombuf, 0, "beacon setup failed 'cuz no mbuf");
1185 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_cal", CTLFLAG_RD,
1186 	    &sc->sc_stats.ast_per_cal, 0, "periodic calibration calls");
1187 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_calfail", CTLFLAG_RD,
1188 	    &sc->sc_stats.ast_per_calfail, 0, "periodic calibration failed");
1189 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_rfgain", CTLFLAG_RD,
1190 	    &sc->sc_stats.ast_per_rfgain, 0, "periodic calibration rfgain reset");
1191 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_calls", CTLFLAG_RD,
1192 	    &sc->sc_stats.ast_rate_calls, 0, "rate control checks");
1193 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_raise", CTLFLAG_RD,
1194 	    &sc->sc_stats.ast_rate_raise, 0, "rate control raised xmit rate");
1195 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_drop", CTLFLAG_RD,
1196 	    &sc->sc_stats.ast_rate_drop, 0, "rate control dropped xmit rate");
1197 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ant_defswitch", CTLFLAG_RD,
1198 	    &sc->sc_stats.ast_ant_defswitch, 0, "rx/default antenna switches");
1199 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ant_txswitch", CTLFLAG_RD,
1200 	    &sc->sc_stats.ast_ant_txswitch, 0, "tx antenna switches");
1201 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_cabq_xmit", CTLFLAG_RD,
1202 	    &sc->sc_stats.ast_cabq_xmit, 0, "cabq frames transmitted");
1203 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_cabq_busy", CTLFLAG_RD,
1204 	    &sc->sc_stats.ast_cabq_busy, 0, "cabq found busy");
1205 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_raw", CTLFLAG_RD,
1206 	    &sc->sc_stats.ast_tx_raw, 0, "tx frames through raw api");
1207 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_txok", CTLFLAG_RD,
1208 	    &sc->sc_stats.ast_ff_txok, 0, "fast frames tx'd successfully");
1209 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_txerr", CTLFLAG_RD,
1210 	    &sc->sc_stats.ast_ff_txerr, 0, "fast frames tx'd w/ error");
1211 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_rx", CTLFLAG_RD,
1212 	    &sc->sc_stats.ast_ff_rx, 0, "fast frames rx'd");
1213 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_flush", CTLFLAG_RD,
1214 	    &sc->sc_stats.ast_ff_flush, 0, "fast frames flushed from staging q");
1215 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_qfull", CTLFLAG_RD,
1216 	    &sc->sc_stats.ast_tx_qfull, 0, "tx dropped 'cuz of queue limit");
1217 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nobuf", CTLFLAG_RD,
1218 	    &sc->sc_stats.ast_tx_nobuf, 0, "tx dropped 'cuz no ath buffer");
1219 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_update", CTLFLAG_RD,
1220 	    &sc->sc_stats.ast_tdma_update, 0, "TDMA slot timing updates");
1221 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_timers", CTLFLAG_RD,
1222 	    &sc->sc_stats.ast_tdma_timers, 0, "TDMA slot update set beacon timers");
1223 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_tsf", CTLFLAG_RD,
1224 	    &sc->sc_stats.ast_tdma_tsf, 0, "TDMA slot update set TSF");
1225 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_ack", CTLFLAG_RD,
1226 	    &sc->sc_stats.ast_tdma_ack, 0, "TDMA tx failed 'cuz ACK required");
1227 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_raw_fail", CTLFLAG_RD,
1228 	    &sc->sc_stats.ast_tx_raw_fail, 0, "raw tx failed 'cuz h/w down");
1229 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nofrag", CTLFLAG_RD,
1230 	    &sc->sc_stats.ast_tx_nofrag, 0, "tx dropped 'cuz no ath frag buffer");
1231 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_missed", CTLFLAG_RD,
1232 	    &sc->sc_stats.ast_be_missed, 0, "number of -missed- beacons");
1233 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ani_cal", CTLFLAG_RD,
1234 	    &sc->sc_stats.ast_ani_cal, 0, "number of ANI polls");
1235 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_agg", CTLFLAG_RD,
1236 	    &sc->sc_stats.ast_rx_agg, 0, "number of aggregate frames received");
1237 
1238 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_halfgi", CTLFLAG_RD,
1239 	    &sc->sc_stats.ast_rx_halfgi, 0, "number of frames received with half-GI");
1240 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_2040", CTLFLAG_RD,
1241 	    &sc->sc_stats.ast_rx_2040, 0, "number of HT/40 frames received");
1242 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_pre_crc_err", CTLFLAG_RD,
1243 	    &sc->sc_stats.ast_rx_pre_crc_err, 0, "number of delimeter-CRC errors detected");
1244 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_post_crc_err", CTLFLAG_RD,
1245 	    &sc->sc_stats.ast_rx_post_crc_err, 0, "number of post-delimiter CRC errors detected");
1246 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_decrypt_busy_err", CTLFLAG_RD,
1247 	    &sc->sc_stats.ast_rx_decrypt_busy_err, 0, "number of frames received w/ busy decrypt engine");
1248 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_hi_rx_chain", CTLFLAG_RD,
1249 	    &sc->sc_stats.ast_rx_hi_rx_chain, 0, "");
1250 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_htprotect", CTLFLAG_RD,
1251 	    &sc->sc_stats.ast_tx_htprotect, 0, "HT tx frames with protection");
1252 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_hitqueueend", CTLFLAG_RD,
1253 	    &sc->sc_stats.ast_rx_hitqueueend, 0, "RX hit queue end");
1254 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_timeout", CTLFLAG_RD,
1255 	    &sc->sc_stats.ast_tx_timeout, 0, "TX Global Timeout");
1256 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_cst", CTLFLAG_RD,
1257 	    &sc->sc_stats.ast_tx_cst, 0, "TX Carrier Sense Timeout");
1258 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_xtxop", CTLFLAG_RD,
1259 	    &sc->sc_stats.ast_tx_xtxop, 0, "TX exceeded TXOP");
1260 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_timerexpired", CTLFLAG_RD,
1261 	    &sc->sc_stats.ast_tx_timerexpired, 0, "TX exceeded TX_TIMER register");
1262 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_desccfgerr", CTLFLAG_RD,
1263 	    &sc->sc_stats.ast_tx_desccfgerr, 0, "TX Descriptor Cfg Error");
1264 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_swretries", CTLFLAG_RD,
1265 	    &sc->sc_stats.ast_tx_swretries, 0, "TX software retry count");
1266 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_swretrymax", CTLFLAG_RD,
1267 	    &sc->sc_stats.ast_tx_swretrymax, 0, "TX software retry max reached");
1268 
1269 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_data_underrun", CTLFLAG_RD,
1270 	    &sc->sc_stats.ast_tx_data_underrun, 0, "");
1271 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_delim_underrun", CTLFLAG_RD,
1272 	    &sc->sc_stats.ast_tx_delim_underrun, 0, "");
1273 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_failall", CTLFLAG_RD,
1274 	    &sc->sc_stats.ast_tx_aggr_failall, 0,
1275 	    "Number of aggregate TX failures (whole frame)");
1276 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_ok", CTLFLAG_RD,
1277 	    &sc->sc_stats.ast_tx_aggr_ok, 0,
1278 	    "Number of aggregate TX OK completions (subframe)");
1279 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_fail", CTLFLAG_RD,
1280 	    &sc->sc_stats.ast_tx_aggr_fail, 0,
1281 	    "Number of aggregate TX failures (subframe)");
1282 
1283 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_intr", CTLFLAG_RD,
1284 	    &sc->sc_stats.ast_rx_intr, 0, "RX interrupts");
1285 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_intr", CTLFLAG_RD,
1286 	    &sc->sc_stats.ast_tx_intr, 0, "TX interrupts");
1287 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_mcastq_overflow",
1288 	    CTLFLAG_RD, &sc->sc_stats.ast_tx_mcastq_overflow, 0,
1289 	    "Number of multicast frames exceeding maximum mcast queue depth");
1290 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_keymiss", CTLFLAG_RD,
1291 	    &sc->sc_stats.ast_rx_keymiss, 0, "");
1292 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_swfiltered", CTLFLAG_RD,
1293 	    &sc->sc_stats.ast_tx_swfiltered, 0, "");
1294 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_stbc",
1295 	    CTLFLAG_RD, &sc->sc_stats.ast_rx_stbc, 0,
1296 	    "Number of STBC frames received");
1297 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_stbc",
1298 	    CTLFLAG_RD, &sc->sc_stats.ast_tx_stbc, 0,
1299 	    "Number of STBC frames transmitted");
1300 	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_ldpc",
1301 	    CTLFLAG_RD, &sc->sc_stats.ast_tx_ldpc, 0,
1302 	    "Number of LDPC frames transmitted");
1303 
1304 	/* Attach the RX phy error array */
1305 	ath_sysctl_stats_attach_rxphyerr(sc, child);
1306 
1307 	/* Attach the interrupt statistics array */
1308 	ath_sysctl_stats_attach_intr(sc, child);
1309 }
1310 
1311 /*
1312  * This doesn't necessarily belong here (because it's HAL related, not
1313  * driver related).
1314  */
1315 void
ath_sysctl_hal_attach(struct ath_softc * sc)1316 ath_sysctl_hal_attach(struct ath_softc *sc)
1317 {
1318 	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
1319 	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
1320 	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
1321 
1322 	tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "hal", CTLFLAG_RD,
1323 	    NULL, "Atheros HAL parameters");
1324 	child = SYSCTL_CHILDREN(tree);
1325 
1326 	sc->sc_ah->ah_config.ah_debug = 0;
1327 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "debug", CTLFLAG_RW,
1328 	    &sc->sc_ah->ah_config.ah_debug, 0, "Atheros HAL debugging printfs");
1329 
1330 	sc->sc_ah->ah_config.ah_ar5416_biasadj = 0;
1331 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "ar5416_biasadj", CTLFLAG_RW,
1332 	    &sc->sc_ah->ah_config.ah_ar5416_biasadj, 0,
1333 	    "Enable 2GHz AR5416 direction sensitivity bias adjust");
1334 
1335 	sc->sc_ah->ah_config.ah_dma_beacon_response_time = 2;
1336 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "dma_brt", CTLFLAG_RW,
1337 	    &sc->sc_ah->ah_config.ah_dma_beacon_response_time, 0,
1338 	    "Atheros HAL DMA beacon response time");
1339 
1340 	sc->sc_ah->ah_config.ah_sw_beacon_response_time = 10;
1341 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "sw_brt", CTLFLAG_RW,
1342 	    &sc->sc_ah->ah_config.ah_sw_beacon_response_time, 0,
1343 	    "Atheros HAL software beacon response time");
1344 
1345 	sc->sc_ah->ah_config.ah_additional_swba_backoff = 0;
1346 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "swba_backoff", CTLFLAG_RW,
1347 	    &sc->sc_ah->ah_config.ah_additional_swba_backoff, 0,
1348 	    "Atheros HAL additional SWBA backoff time");
1349 
1350 	sc->sc_ah->ah_config.ah_force_full_reset = 0;
1351 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "force_full_reset", CTLFLAG_RW,
1352 	    &sc->sc_ah->ah_config.ah_force_full_reset, 0,
1353 	    "Force full chip reset rather than a warm reset");
1354 
1355 	/*
1356 	 * This is initialised by the driver.
1357 	 */
1358 	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "serialise_reg_war", CTLFLAG_RW,
1359 	    &sc->sc_ah->ah_config.ah_serialise_reg_war, 0,
1360 	    "Force register access serialisation");
1361 }
1362