if_ath_sysctl.c revision 228891
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: head/sys/dev/ath/if_ath_sysctl.c 228891 2011-12-26 07:47:05Z adrian $");
32
33/*
34 * Driver for the Atheros Wireless LAN controller.
35 *
36 * This software is derived from work of Atsushi Onoe; his contribution
37 * is greatly appreciated.
38 */
39
40#include "opt_inet.h"
41#include "opt_ath.h"
42#include "opt_wlan.h"
43
44#include <sys/param.h>
45#include <sys/systm.h>
46#include <sys/sysctl.h>
47#include <sys/mbuf.h>
48#include <sys/malloc.h>
49#include <sys/lock.h>
50#include <sys/mutex.h>
51#include <sys/kernel.h>
52#include <sys/socket.h>
53#include <sys/sockio.h>
54#include <sys/errno.h>
55#include <sys/callout.h>
56#include <sys/bus.h>
57#include <sys/endian.h>
58#include <sys/kthread.h>
59#include <sys/taskqueue.h>
60#include <sys/priv.h>
61
62#include <machine/bus.h>
63
64#include <net/if.h>
65#include <net/if_dl.h>
66#include <net/if_media.h>
67#include <net/if_types.h>
68#include <net/if_arp.h>
69#include <net/ethernet.h>
70#include <net/if_llc.h>
71
72#include <net80211/ieee80211_var.h>
73#include <net80211/ieee80211_regdomain.h>
74#ifdef IEEE80211_SUPPORT_SUPERG
75#include <net80211/ieee80211_superg.h>
76#endif
77#ifdef IEEE80211_SUPPORT_TDMA
78#include <net80211/ieee80211_tdma.h>
79#endif
80
81#include <net/bpf.h>
82
83#ifdef INET
84#include <netinet/in.h>
85#include <netinet/if_ether.h>
86#endif
87
88#include <dev/ath/if_athvar.h>
89#include <dev/ath/ath_hal/ah_devid.h>		/* XXX for softled */
90#include <dev/ath/ath_hal/ah_diagcodes.h>
91
92#include <dev/ath/if_ath_debug.h>
93#include <dev/ath/if_ath_led.h>
94#include <dev/ath/if_ath_misc.h>
95#include <dev/ath/if_ath_tx.h>
96#include <dev/ath/if_ath_sysctl.h>
97
98#ifdef ATH_TX99_DIAG
99#include <dev/ath/ath_tx99/ath_tx99.h>
100#endif
101
102static int
103ath_sysctl_slottime(SYSCTL_HANDLER_ARGS)
104{
105	struct ath_softc *sc = arg1;
106	u_int slottime = ath_hal_getslottime(sc->sc_ah);
107	int error;
108
109	error = sysctl_handle_int(oidp, &slottime, 0, req);
110	if (error || !req->newptr)
111		return error;
112	return !ath_hal_setslottime(sc->sc_ah, slottime) ? EINVAL : 0;
113}
114
115static int
116ath_sysctl_acktimeout(SYSCTL_HANDLER_ARGS)
117{
118	struct ath_softc *sc = arg1;
119	u_int acktimeout = ath_hal_getacktimeout(sc->sc_ah);
120	int error;
121
122	error = sysctl_handle_int(oidp, &acktimeout, 0, req);
123	if (error || !req->newptr)
124		return error;
125	return !ath_hal_setacktimeout(sc->sc_ah, acktimeout) ? EINVAL : 0;
126}
127
128static int
129ath_sysctl_ctstimeout(SYSCTL_HANDLER_ARGS)
130{
131	struct ath_softc *sc = arg1;
132	u_int ctstimeout = ath_hal_getctstimeout(sc->sc_ah);
133	int error;
134
135	error = sysctl_handle_int(oidp, &ctstimeout, 0, req);
136	if (error || !req->newptr)
137		return error;
138	return !ath_hal_setctstimeout(sc->sc_ah, ctstimeout) ? EINVAL : 0;
139}
140
141static int
142ath_sysctl_softled(SYSCTL_HANDLER_ARGS)
143{
144	struct ath_softc *sc = arg1;
145	int softled = sc->sc_softled;
146	int error;
147
148	error = sysctl_handle_int(oidp, &softled, 0, req);
149	if (error || !req->newptr)
150		return error;
151	softled = (softled != 0);
152	if (softled != sc->sc_softled) {
153		if (softled) {
154			/* NB: handle any sc_ledpin change */
155			ath_led_config(sc);
156		}
157		sc->sc_softled = softled;
158	}
159	return 0;
160}
161
162static int
163ath_sysctl_ledpin(SYSCTL_HANDLER_ARGS)
164{
165	struct ath_softc *sc = arg1;
166	int ledpin = sc->sc_ledpin;
167	int error;
168
169	error = sysctl_handle_int(oidp, &ledpin, 0, req);
170	if (error || !req->newptr)
171		return error;
172	if (ledpin != sc->sc_ledpin) {
173		sc->sc_ledpin = ledpin;
174		if (sc->sc_softled) {
175			ath_led_config(sc);
176		}
177	}
178	return 0;
179}
180
181static int
182ath_sysctl_hardled(SYSCTL_HANDLER_ARGS)
183{
184	struct ath_softc *sc = arg1;
185	int hardled = sc->sc_hardled;
186	int error;
187
188	error = sysctl_handle_int(oidp, &hardled, 0, req);
189	if (error || !req->newptr)
190		return error;
191	hardled = (hardled != 0);
192	if (hardled != sc->sc_hardled) {
193		if (hardled) {
194			/* NB: handle any sc_ledpin change */
195			ath_led_config(sc);
196		}
197		sc->sc_hardled = hardled;
198	}
199	return 0;
200}
201
202static int
203ath_sysctl_txantenna(SYSCTL_HANDLER_ARGS)
204{
205	struct ath_softc *sc = arg1;
206	u_int txantenna = ath_hal_getantennaswitch(sc->sc_ah);
207	int error;
208
209	error = sysctl_handle_int(oidp, &txantenna, 0, req);
210	if (!error && req->newptr) {
211		/* XXX assumes 2 antenna ports */
212		if (txantenna < HAL_ANT_VARIABLE || txantenna > HAL_ANT_FIXED_B)
213			return EINVAL;
214		ath_hal_setantennaswitch(sc->sc_ah, txantenna);
215		/*
216		 * NB: with the switch locked this isn't meaningful,
217		 *     but set it anyway so things like radiotap get
218		 *     consistent info in their data.
219		 */
220		sc->sc_txantenna = txantenna;
221	}
222	return error;
223}
224
225static int
226ath_sysctl_rxantenna(SYSCTL_HANDLER_ARGS)
227{
228	struct ath_softc *sc = arg1;
229	u_int defantenna = ath_hal_getdefantenna(sc->sc_ah);
230	int error;
231
232	error = sysctl_handle_int(oidp, &defantenna, 0, req);
233	if (!error && req->newptr)
234		ath_hal_setdefantenna(sc->sc_ah, defantenna);
235	return error;
236}
237
238static int
239ath_sysctl_diversity(SYSCTL_HANDLER_ARGS)
240{
241	struct ath_softc *sc = arg1;
242	u_int diversity = ath_hal_getdiversity(sc->sc_ah);
243	int error;
244
245	error = sysctl_handle_int(oidp, &diversity, 0, req);
246	if (error || !req->newptr)
247		return error;
248	if (!ath_hal_setdiversity(sc->sc_ah, diversity))
249		return EINVAL;
250	sc->sc_diversity = diversity;
251	return 0;
252}
253
254static int
255ath_sysctl_diag(SYSCTL_HANDLER_ARGS)
256{
257	struct ath_softc *sc = arg1;
258	u_int32_t diag;
259	int error;
260
261	if (!ath_hal_getdiag(sc->sc_ah, &diag))
262		return EINVAL;
263	error = sysctl_handle_int(oidp, &diag, 0, req);
264	if (error || !req->newptr)
265		return error;
266	return !ath_hal_setdiag(sc->sc_ah, diag) ? EINVAL : 0;
267}
268
269static int
270ath_sysctl_tpscale(SYSCTL_HANDLER_ARGS)
271{
272	struct ath_softc *sc = arg1;
273	struct ifnet *ifp = sc->sc_ifp;
274	u_int32_t scale;
275	int error;
276
277	(void) ath_hal_gettpscale(sc->sc_ah, &scale);
278	error = sysctl_handle_int(oidp, &scale, 0, req);
279	if (error || !req->newptr)
280		return error;
281	return !ath_hal_settpscale(sc->sc_ah, scale) ? EINVAL :
282	    (ifp->if_drv_flags & IFF_DRV_RUNNING) ?
283	      ath_reset(ifp, ATH_RESET_NOLOSS) : 0;
284}
285
286static int
287ath_sysctl_tpc(SYSCTL_HANDLER_ARGS)
288{
289	struct ath_softc *sc = arg1;
290	u_int tpc = ath_hal_gettpc(sc->sc_ah);
291	int error;
292
293	error = sysctl_handle_int(oidp, &tpc, 0, req);
294	if (error || !req->newptr)
295		return error;
296	return !ath_hal_settpc(sc->sc_ah, tpc) ? EINVAL : 0;
297}
298
299static int
300ath_sysctl_rfkill(SYSCTL_HANDLER_ARGS)
301{
302	struct ath_softc *sc = arg1;
303	struct ifnet *ifp = sc->sc_ifp;
304	struct ath_hal *ah = sc->sc_ah;
305	u_int rfkill = ath_hal_getrfkill(ah);
306	int error;
307
308	error = sysctl_handle_int(oidp, &rfkill, 0, req);
309	if (error || !req->newptr)
310		return error;
311	if (rfkill == ath_hal_getrfkill(ah))	/* unchanged */
312		return 0;
313	if (!ath_hal_setrfkill(ah, rfkill))
314		return EINVAL;
315	return (ifp->if_drv_flags & IFF_DRV_RUNNING) ?
316	    ath_reset(ifp, ATH_RESET_FULL) : 0;
317}
318
319static int
320ath_sysctl_txagg(SYSCTL_HANDLER_ARGS)
321{
322	struct ath_softc *sc = arg1;
323	int i, t, param = 0;
324	int error;
325	struct ath_buf *bf;
326
327	error = sysctl_handle_int(oidp, &param, 0, req);
328	if (error || !req->newptr)
329		return error;
330
331	if (param != 1)
332		return 0;
333
334	printf("no tx bufs (empty list): %d\n", sc->sc_stats.ast_tx_getnobuf);
335	printf("no tx bufs (was busy): %d\n", sc->sc_stats.ast_tx_getbusybuf);
336
337	printf("aggr single packet: %d\n",
338	    sc->sc_aggr_stats.aggr_single_pkt);
339	printf("aggr single packet w/ BAW closed: %d\n",
340	    sc->sc_aggr_stats.aggr_baw_closed_single_pkt);
341	printf("aggr non-baw packet: %d\n",
342	    sc->sc_aggr_stats.aggr_nonbaw_pkt);
343	printf("aggr aggregate packet: %d\n",
344	    sc->sc_aggr_stats.aggr_aggr_pkt);
345	printf("aggr single packet low hwq: %d\n",
346	    sc->sc_aggr_stats.aggr_low_hwq_single_pkt);
347	printf("aggr sched, no work: %d\n",
348	    sc->sc_aggr_stats.aggr_sched_nopkt);
349	for (i = 0; i < 64; i++) {
350		printf("%2d: %10d ", i, sc->sc_aggr_stats.aggr_pkts[i]);
351		if (i % 4 == 3)
352			printf("\n");
353	}
354	printf("\n");
355
356	for (i = 0; i < HAL_NUM_TX_QUEUES; i++) {
357		if (ATH_TXQ_SETUP(sc, i)) {
358			printf("HW TXQ %d: axq_depth=%d, axq_aggr_depth=%d\n",
359			    i,
360			    sc->sc_txq[i].axq_depth,
361			    sc->sc_txq[i].axq_aggr_depth);
362		}
363	}
364
365	i = t = 0;
366	ATH_TXBUF_LOCK(sc);
367	TAILQ_FOREACH(bf, &sc->sc_txbuf, bf_list) {
368		if (bf->bf_flags & ATH_BUF_BUSY) {
369			printf("Busy: %d\n", t);
370			i++;
371		}
372		t++;
373	}
374	ATH_TXBUF_UNLOCK(sc);
375	printf("Total TX buffers: %d; Total TX buffers busy: %d\n",
376	    t, i);
377
378	return 0;
379}
380
381static int
382ath_sysctl_rfsilent(SYSCTL_HANDLER_ARGS)
383{
384	struct ath_softc *sc = arg1;
385	u_int rfsilent;
386	int error;
387
388	(void) ath_hal_getrfsilent(sc->sc_ah, &rfsilent);
389	error = sysctl_handle_int(oidp, &rfsilent, 0, req);
390	if (error || !req->newptr)
391		return error;
392	if (!ath_hal_setrfsilent(sc->sc_ah, rfsilent))
393		return EINVAL;
394	sc->sc_rfsilentpin = rfsilent & 0x1c;
395	sc->sc_rfsilentpol = (rfsilent & 0x2) != 0;
396	return 0;
397}
398
399static int
400ath_sysctl_tpack(SYSCTL_HANDLER_ARGS)
401{
402	struct ath_softc *sc = arg1;
403	u_int32_t tpack;
404	int error;
405
406	(void) ath_hal_gettpack(sc->sc_ah, &tpack);
407	error = sysctl_handle_int(oidp, &tpack, 0, req);
408	if (error || !req->newptr)
409		return error;
410	return !ath_hal_settpack(sc->sc_ah, tpack) ? EINVAL : 0;
411}
412
413static int
414ath_sysctl_tpcts(SYSCTL_HANDLER_ARGS)
415{
416	struct ath_softc *sc = arg1;
417	u_int32_t tpcts;
418	int error;
419
420	(void) ath_hal_gettpcts(sc->sc_ah, &tpcts);
421	error = sysctl_handle_int(oidp, &tpcts, 0, req);
422	if (error || !req->newptr)
423		return error;
424	return !ath_hal_settpcts(sc->sc_ah, tpcts) ? EINVAL : 0;
425}
426
427static int
428ath_sysctl_intmit(SYSCTL_HANDLER_ARGS)
429{
430	struct ath_softc *sc = arg1;
431	int intmit, error;
432
433	intmit = ath_hal_getintmit(sc->sc_ah);
434	error = sysctl_handle_int(oidp, &intmit, 0, req);
435	if (error || !req->newptr)
436		return error;
437
438	/* reusing error; 1 here means "good"; 0 means "fail" */
439	error = ath_hal_setintmit(sc->sc_ah, intmit);
440	if (! error)
441		return EINVAL;
442
443	/*
444	 * Reset the hardware here - disabling ANI in the HAL
445	 * doesn't reset ANI related registers, so it'll leave
446	 * things in an inconsistent state.
447	 */
448	if (sc->sc_ifp->if_drv_flags & IFF_DRV_RUNNING)
449		ath_reset(sc->sc_ifp, ATH_RESET_NOLOSS);
450
451	return 0;
452}
453
454#ifdef IEEE80211_SUPPORT_TDMA
455static int
456ath_sysctl_setcca(SYSCTL_HANDLER_ARGS)
457{
458	struct ath_softc *sc = arg1;
459	int setcca, error;
460
461	setcca = sc->sc_setcca;
462	error = sysctl_handle_int(oidp, &setcca, 0, req);
463	if (error || !req->newptr)
464		return error;
465	sc->sc_setcca = (setcca != 0);
466	return 0;
467}
468#endif /* IEEE80211_SUPPORT_TDMA */
469
470static int
471ath_sysctl_forcebstuck(SYSCTL_HANDLER_ARGS)
472{
473	struct ath_softc *sc = arg1;
474	int val = 0;
475	int error;
476
477	error = sysctl_handle_int(oidp, &val, 0, req);
478	if (error || !req->newptr)
479		return error;
480	if (val == 0)
481		return 0;
482
483	taskqueue_enqueue_fast(sc->sc_tq, &sc->sc_bstucktask);
484	val = 0;
485	return 0;
486}
487
488void
489ath_sysctlattach(struct ath_softc *sc)
490{
491	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
492	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
493	struct ath_hal *ah = sc->sc_ah;
494
495	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
496		"countrycode", CTLFLAG_RD, &sc->sc_eecc, 0,
497		"EEPROM country code");
498	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
499		"regdomain", CTLFLAG_RD, &sc->sc_eerd, 0,
500		"EEPROM regdomain code");
501#ifdef	ATH_DEBUG
502	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
503		"debug", CTLFLAG_RW, &sc->sc_debug, 0,
504		"control debugging printfs");
505#endif
506	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
507		"slottime", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
508		ath_sysctl_slottime, "I", "802.11 slot time (us)");
509	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
510		"acktimeout", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
511		ath_sysctl_acktimeout, "I", "802.11 ACK timeout (us)");
512	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
513		"ctstimeout", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
514		ath_sysctl_ctstimeout, "I", "802.11 CTS timeout (us)");
515
516	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
517		"softled", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
518		ath_sysctl_softled, "I", "enable/disable software LED support");
519	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
520		"ledpin", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
521		ath_sysctl_ledpin, "I", "GPIO pin connected to LED");
522	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
523		"ledon", CTLFLAG_RW, &sc->sc_ledon, 0,
524		"setting to turn LED on");
525	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
526		"ledidle", CTLFLAG_RW, &sc->sc_ledidle, 0,
527		"idle time for inactivity LED (ticks)");
528
529	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
530		"hardled", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
531		ath_sysctl_hardled, "I", "enable/disable hardware LED support");
532	/* XXX Laziness - configure pins, then flip hardled off/on */
533	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
534		"led_net_pin", CTLFLAG_RW, &sc->sc_led_net_pin, 0,
535		"MAC Network LED pin, or -1 to disable");
536	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
537		"led_pwr_pin", CTLFLAG_RW, &sc->sc_led_pwr_pin, 0,
538		"MAC Power LED pin, or -1 to disable");
539
540	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
541		"txantenna", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
542		ath_sysctl_txantenna, "I", "antenna switch");
543	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
544		"rxantenna", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
545		ath_sysctl_rxantenna, "I", "default/rx antenna");
546	if (ath_hal_hasdiversity(ah))
547		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
548			"diversity", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
549			ath_sysctl_diversity, "I", "antenna diversity");
550	sc->sc_txintrperiod = ATH_TXINTR_PERIOD;
551	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
552		"txintrperiod", CTLFLAG_RW, &sc->sc_txintrperiod, 0,
553		"tx descriptor batching");
554	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
555		"diag", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
556		ath_sysctl_diag, "I", "h/w diagnostic control");
557	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
558		"tpscale", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
559		ath_sysctl_tpscale, "I", "tx power scaling");
560	if (ath_hal_hastpc(ah)) {
561		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
562			"tpc", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
563			ath_sysctl_tpc, "I", "enable/disable per-packet TPC");
564		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
565			"tpack", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
566			ath_sysctl_tpack, "I", "tx power for ack frames");
567		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
568			"tpcts", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
569			ath_sysctl_tpcts, "I", "tx power for cts frames");
570	}
571	if (ath_hal_hasrfsilent(ah)) {
572		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
573			"rfsilent", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
574			ath_sysctl_rfsilent, "I", "h/w RF silent config");
575		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
576			"rfkill", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
577			ath_sysctl_rfkill, "I", "enable/disable RF kill switch");
578	}
579
580	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
581		"txagg", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
582		ath_sysctl_txagg, "I", "");
583
584	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
585		"forcebstuck", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
586		ath_sysctl_forcebstuck, "I", "");
587
588	if (ath_hal_hasintmit(ah)) {
589		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
590			"intmit", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
591			ath_sysctl_intmit, "I", "interference mitigation");
592	}
593	sc->sc_monpass = HAL_RXERR_DECRYPT | HAL_RXERR_MIC;
594	SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
595		"monpass", CTLFLAG_RW, &sc->sc_monpass, 0,
596		"mask of error frames to pass when monitoring");
597
598	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
599		"hwq_limit", CTLFLAG_RW, &sc->sc_hwq_limit, 0,
600		"");
601	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
602		"tid_hwq_lo", CTLFLAG_RW, &sc->sc_tid_hwq_lo, 0,
603		"");
604	SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
605		"tid_hwq_hi", CTLFLAG_RW, &sc->sc_tid_hwq_hi, 0,
606		"");
607
608#ifdef IEEE80211_SUPPORT_TDMA
609	if (ath_hal_macversion(ah) > 0x78) {
610		sc->sc_tdmadbaprep = 2;
611		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
612			"dbaprep", CTLFLAG_RW, &sc->sc_tdmadbaprep, 0,
613			"TDMA DBA preparation time");
614		sc->sc_tdmaswbaprep = 10;
615		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
616			"swbaprep", CTLFLAG_RW, &sc->sc_tdmaswbaprep, 0,
617			"TDMA SWBA preparation time");
618		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
619			"guardtime", CTLFLAG_RW, &sc->sc_tdmaguard, 0,
620			"TDMA slot guard time");
621		SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
622			"superframe", CTLFLAG_RD, &sc->sc_tdmabintval, 0,
623			"TDMA calculated super frame");
624		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
625			"setcca", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
626			ath_sysctl_setcca, "I", "enable CCA control");
627	}
628#endif
629}
630
631static int
632ath_sysctl_clearstats(SYSCTL_HANDLER_ARGS)
633{
634	struct ath_softc *sc = arg1;
635	int val = 0;
636	int error;
637
638	error = sysctl_handle_int(oidp, &val, 0, req);
639	if (error || !req->newptr)
640		return error;
641	if (val == 0)
642		return 0;       /* Not clearing the stats is still valid */
643	memset(&sc->sc_stats, 0, sizeof(sc->sc_stats));
644	memset(&sc->sc_aggr_stats, 0, sizeof(sc->sc_aggr_stats));
645
646	val = 0;
647	return 0;
648}
649
650static void
651ath_sysctl_stats_attach_rxphyerr(struct ath_softc *sc, struct sysctl_oid_list *parent)
652{
653	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
654	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
655	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
656	int i;
657	char sn[8];
658
659	tree = SYSCTL_ADD_NODE(ctx, parent, OID_AUTO, "rx_phy_err", CTLFLAG_RD, NULL, "Per-code RX PHY Errors");
660	child = SYSCTL_CHILDREN(tree);
661	for (i = 0; i < 64; i++) {
662		snprintf(sn, sizeof(sn), "%d", i);
663		SYSCTL_ADD_UINT(ctx, child, OID_AUTO, sn, CTLFLAG_RD, &sc->sc_stats.ast_rx_phy[i], 0, "");
664	}
665}
666
667void
668ath_sysctl_stats_attach(struct ath_softc *sc)
669{
670	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
671	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
672	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
673
674	/* Create "clear" node */
675	SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
676	    "clear_stats", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
677	    ath_sysctl_clearstats, "I", "clear stats");
678
679	/* Create stats node */
680	tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD,
681	    NULL, "Statistics");
682	child = SYSCTL_CHILDREN(tree);
683
684	/* This was generated from if_athioctl.h */
685
686	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_watchdog", CTLFLAG_RD,
687	    &sc->sc_stats.ast_watchdog, 0, "device reset by watchdog");
688	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_hardware", CTLFLAG_RD,
689	    &sc->sc_stats.ast_hardware, 0, "fatal hardware error interrupts");
690	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bmiss", CTLFLAG_RD,
691	    &sc->sc_stats.ast_bmiss, 0, "beacon miss interrupts");
692	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bmiss_phantom", CTLFLAG_RD,
693	    &sc->sc_stats.ast_bmiss_phantom, 0, "beacon miss interrupts");
694	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bstuck", CTLFLAG_RD,
695	    &sc->sc_stats.ast_bstuck, 0, "beacon stuck interrupts");
696	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rxorn", CTLFLAG_RD,
697	    &sc->sc_stats.ast_rxorn, 0, "rx overrun interrupts");
698	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rxeol", CTLFLAG_RD,
699	    &sc->sc_stats.ast_rxeol, 0, "rx eol interrupts");
700	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_txurn", CTLFLAG_RD,
701	    &sc->sc_stats.ast_txurn, 0, "tx underrun interrupts");
702	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_mib", CTLFLAG_RD,
703	    &sc->sc_stats.ast_mib, 0, "mib interrupts");
704	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_intrcoal", CTLFLAG_RD,
705	    &sc->sc_stats.ast_intrcoal, 0, "interrupts coalesced");
706	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_packets", CTLFLAG_RD,
707	    &sc->sc_stats.ast_tx_packets, 0, "packet sent on the interface");
708	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_mgmt", CTLFLAG_RD,
709	    &sc->sc_stats.ast_tx_mgmt, 0, "management frames transmitted");
710	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_discard", CTLFLAG_RD,
711	    &sc->sc_stats.ast_tx_discard, 0, "frames discarded prior to assoc");
712	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_qstop", CTLFLAG_RD,
713	    &sc->sc_stats.ast_tx_qstop, 0, "output stopped 'cuz no buffer");
714	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_encap", CTLFLAG_RD,
715	    &sc->sc_stats.ast_tx_encap, 0, "tx encapsulation failed");
716	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nonode", CTLFLAG_RD,
717	    &sc->sc_stats.ast_tx_nonode, 0, "tx failed 'cuz no node");
718	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nombuf", CTLFLAG_RD,
719	    &sc->sc_stats.ast_tx_nombuf, 0, "tx failed 'cuz no mbuf");
720	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nomcl", CTLFLAG_RD,
721	    &sc->sc_stats.ast_tx_nomcl, 0, "tx failed 'cuz no cluster");
722	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_linear", CTLFLAG_RD,
723	    &sc->sc_stats.ast_tx_linear, 0, "tx linearized to cluster");
724	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nodata", CTLFLAG_RD,
725	    &sc->sc_stats.ast_tx_nodata, 0, "tx discarded empty frame");
726	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_busdma", CTLFLAG_RD,
727	    &sc->sc_stats.ast_tx_busdma, 0, "tx failed for dma resrcs");
728	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_xretries", CTLFLAG_RD,
729	    &sc->sc_stats.ast_tx_xretries, 0, "tx failed 'cuz too many retries");
730	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_fifoerr", CTLFLAG_RD,
731	    &sc->sc_stats.ast_tx_fifoerr, 0, "tx failed 'cuz FIFO underrun");
732	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_filtered", CTLFLAG_RD,
733	    &sc->sc_stats.ast_tx_filtered, 0, "tx failed 'cuz xmit filtered");
734	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_shortretry", CTLFLAG_RD,
735	    &sc->sc_stats.ast_tx_shortretry, 0, "tx on-chip retries (short)");
736	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_longretry", CTLFLAG_RD,
737	    &sc->sc_stats.ast_tx_longretry, 0, "tx on-chip retries (long)");
738	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_badrate", CTLFLAG_RD,
739	    &sc->sc_stats.ast_tx_badrate, 0, "tx failed 'cuz bogus xmit rate");
740	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_noack", CTLFLAG_RD,
741	    &sc->sc_stats.ast_tx_noack, 0, "tx frames with no ack marked");
742	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_rts", CTLFLAG_RD,
743	    &sc->sc_stats.ast_tx_rts, 0, "tx frames with rts enabled");
744	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_cts", CTLFLAG_RD,
745	    &sc->sc_stats.ast_tx_cts, 0, "tx frames with cts enabled");
746	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_shortpre", CTLFLAG_RD,
747	    &sc->sc_stats.ast_tx_shortpre, 0, "tx frames with short preamble");
748	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_altrate", CTLFLAG_RD,
749	    &sc->sc_stats.ast_tx_altrate, 0, "tx frames with alternate rate");
750	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_protect", CTLFLAG_RD,
751	    &sc->sc_stats.ast_tx_protect, 0, "tx frames with protection");
752	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_ctsburst", CTLFLAG_RD,
753	    &sc->sc_stats.ast_tx_ctsburst, 0, "tx frames with cts and bursting");
754	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_ctsext", CTLFLAG_RD,
755	    &sc->sc_stats.ast_tx_ctsext, 0, "tx frames with cts extension");
756	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_nombuf", CTLFLAG_RD,
757	    &sc->sc_stats.ast_rx_nombuf, 0, "rx setup failed 'cuz no mbuf");
758	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_busdma", CTLFLAG_RD,
759	    &sc->sc_stats.ast_rx_busdma, 0, "rx setup failed for dma resrcs");
760	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_orn", CTLFLAG_RD,
761	    &sc->sc_stats.ast_rx_orn, 0, "rx failed 'cuz of desc overrun");
762	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_crcerr", CTLFLAG_RD,
763	    &sc->sc_stats.ast_rx_crcerr, 0, "rx failed 'cuz of bad CRC");
764	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_fifoerr", CTLFLAG_RD,
765	    &sc->sc_stats.ast_rx_fifoerr, 0, "rx failed 'cuz of FIFO overrun");
766	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_badcrypt", CTLFLAG_RD,
767	    &sc->sc_stats.ast_rx_badcrypt, 0, "rx failed 'cuz decryption");
768	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_badmic", CTLFLAG_RD,
769	    &sc->sc_stats.ast_rx_badmic, 0, "rx failed 'cuz MIC failure");
770	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_phyerr", CTLFLAG_RD,
771	    &sc->sc_stats.ast_rx_phyerr, 0, "rx failed 'cuz of PHY err");
772	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_tooshort", CTLFLAG_RD,
773	    &sc->sc_stats.ast_rx_tooshort, 0, "rx discarded 'cuz frame too short");
774	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_toobig", CTLFLAG_RD,
775	    &sc->sc_stats.ast_rx_toobig, 0, "rx discarded 'cuz frame too large");
776	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_packets", CTLFLAG_RD,
777	    &sc->sc_stats.ast_rx_packets, 0, "packet recv on the interface");
778	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_mgt", CTLFLAG_RD,
779	    &sc->sc_stats.ast_rx_mgt, 0, "management frames received");
780	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_ctl", CTLFLAG_RD,
781	    &sc->sc_stats.ast_rx_ctl, 0, "rx discarded 'cuz ctl frame");
782	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_xmit", CTLFLAG_RD,
783	    &sc->sc_stats.ast_be_xmit, 0, "beacons transmitted");
784	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_nombuf", CTLFLAG_RD,
785	    &sc->sc_stats.ast_be_nombuf, 0, "beacon setup failed 'cuz no mbuf");
786	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_cal", CTLFLAG_RD,
787	    &sc->sc_stats.ast_per_cal, 0, "periodic calibration calls");
788	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_calfail", CTLFLAG_RD,
789	    &sc->sc_stats.ast_per_calfail, 0, "periodic calibration failed");
790	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_rfgain", CTLFLAG_RD,
791	    &sc->sc_stats.ast_per_rfgain, 0, "periodic calibration rfgain reset");
792	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_calls", CTLFLAG_RD,
793	    &sc->sc_stats.ast_rate_calls, 0, "rate control checks");
794	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_raise", CTLFLAG_RD,
795	    &sc->sc_stats.ast_rate_raise, 0, "rate control raised xmit rate");
796	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_drop", CTLFLAG_RD,
797	    &sc->sc_stats.ast_rate_drop, 0, "rate control dropped xmit rate");
798	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ant_defswitch", CTLFLAG_RD,
799	    &sc->sc_stats.ast_ant_defswitch, 0, "rx/default antenna switches");
800	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ant_txswitch", CTLFLAG_RD,
801	    &sc->sc_stats.ast_ant_txswitch, 0, "tx antenna switches");
802	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_cabq_xmit", CTLFLAG_RD,
803	    &sc->sc_stats.ast_cabq_xmit, 0, "cabq frames transmitted");
804	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_cabq_busy", CTLFLAG_RD,
805	    &sc->sc_stats.ast_cabq_busy, 0, "cabq found busy");
806	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_raw", CTLFLAG_RD,
807	    &sc->sc_stats.ast_tx_raw, 0, "tx frames through raw api");
808	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_txok", CTLFLAG_RD,
809	    &sc->sc_stats.ast_ff_txok, 0, "fast frames tx'd successfully");
810	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_txerr", CTLFLAG_RD,
811	    &sc->sc_stats.ast_ff_txerr, 0, "fast frames tx'd w/ error");
812	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_rx", CTLFLAG_RD,
813	    &sc->sc_stats.ast_ff_rx, 0, "fast frames rx'd");
814	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_flush", CTLFLAG_RD,
815	    &sc->sc_stats.ast_ff_flush, 0, "fast frames flushed from staging q");
816	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_qfull", CTLFLAG_RD,
817	    &sc->sc_stats.ast_tx_qfull, 0, "tx dropped 'cuz of queue limit");
818	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nobuf", CTLFLAG_RD,
819	    &sc->sc_stats.ast_tx_nobuf, 0, "tx dropped 'cuz no ath buffer");
820	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_update", CTLFLAG_RD,
821	    &sc->sc_stats.ast_tdma_update, 0, "TDMA slot timing updates");
822	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_timers", CTLFLAG_RD,
823	    &sc->sc_stats.ast_tdma_timers, 0, "TDMA slot update set beacon timers");
824	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_tsf", CTLFLAG_RD,
825	    &sc->sc_stats.ast_tdma_tsf, 0, "TDMA slot update set TSF");
826	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_ack", CTLFLAG_RD,
827	    &sc->sc_stats.ast_tdma_ack, 0, "TDMA tx failed 'cuz ACK required");
828	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_raw_fail", CTLFLAG_RD,
829	    &sc->sc_stats.ast_tx_raw_fail, 0, "raw tx failed 'cuz h/w down");
830	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nofrag", CTLFLAG_RD,
831	    &sc->sc_stats.ast_tx_nofrag, 0, "tx dropped 'cuz no ath frag buffer");
832	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_missed", CTLFLAG_RD,
833	    &sc->sc_stats.ast_be_missed, 0, "number of -missed- beacons");
834	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ani_cal", CTLFLAG_RD,
835	    &sc->sc_stats.ast_ani_cal, 0, "number of ANI polls");
836	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_agg", CTLFLAG_RD,
837	    &sc->sc_stats.ast_rx_agg, 0, "number of aggregate frames received");
838
839	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_halfgi", CTLFLAG_RD,
840	    &sc->sc_stats.ast_rx_halfgi, 0, "number of frames received with half-GI");
841	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_2040", CTLFLAG_RD,
842	    &sc->sc_stats.ast_rx_2040, 0, "number of HT/40 frames received");
843	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_pre_crc_err", CTLFLAG_RD,
844	    &sc->sc_stats.ast_rx_pre_crc_err, 0, "number of delimeter-CRC errors detected");
845	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_post_crc_err", CTLFLAG_RD,
846	    &sc->sc_stats.ast_rx_post_crc_err, 0, "number of post-delimiter CRC errors detected");
847	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_decrypt_busy_err", CTLFLAG_RD,
848	    &sc->sc_stats.ast_rx_decrypt_busy_err, 0, "number of frames received w/ busy decrypt engine");
849	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_hi_rx_chain", CTLFLAG_RD,
850	    &sc->sc_stats.ast_rx_hi_rx_chain, 0, "");
851	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_htprotect", CTLFLAG_RD,
852	    &sc->sc_stats.ast_tx_htprotect, 0, "HT tx frames with protection");
853	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_hitqueueend", CTLFLAG_RD,
854	    &sc->sc_stats.ast_rx_hitqueueend, 0, "RX hit queue end");
855	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_timeout", CTLFLAG_RD,
856	    &sc->sc_stats.ast_tx_timeout, 0, "TX Global Timeout");
857	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_cst", CTLFLAG_RD,
858	    &sc->sc_stats.ast_tx_cst, 0, "TX Carrier Sense Timeout");
859	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_xtxop", CTLFLAG_RD,
860	    &sc->sc_stats.ast_tx_xtxop, 0, "TX exceeded TXOP");
861	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_timerexpired", CTLFLAG_RD,
862	    &sc->sc_stats.ast_tx_timerexpired, 0, "TX exceeded TX_TIMER register");
863	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_desccfgerr", CTLFLAG_RD,
864	    &sc->sc_stats.ast_tx_desccfgerr, 0, "TX Descriptor Cfg Error");
865	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_swretries", CTLFLAG_RD,
866	    &sc->sc_stats.ast_tx_swretries, 0, "TX software retry count");
867	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_swretrymax", CTLFLAG_RD,
868	    &sc->sc_stats.ast_tx_swretrymax, 0, "TX software retry max reached");
869
870	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_data_underrun", CTLFLAG_RD,
871	    &sc->sc_stats.ast_tx_data_underrun, 0, "");
872	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_delim_underrun", CTLFLAG_RD,
873	    &sc->sc_stats.ast_tx_delim_underrun, 0, "");
874	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_failall", CTLFLAG_RD,
875	    &sc->sc_stats.ast_tx_aggr_failall, 0,
876	    "Number of aggregate TX failures (whole frame)");
877	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_ok", CTLFLAG_RD,
878	    &sc->sc_stats.ast_tx_aggr_ok, 0,
879	    "Number of aggregate TX OK completions (subframe)");
880	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_fail", CTLFLAG_RD,
881	    &sc->sc_stats.ast_tx_aggr_fail, 0,
882	    "Number of aggregate TX failures (subframe)");
883
884	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_intr", CTLFLAG_RD,
885	    &sc->sc_stats.ast_rx_intr, 0, "RX interrupts");
886	SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_intr", CTLFLAG_RD,
887	    &sc->sc_stats.ast_tx_intr, 0, "TX interrupts");
888
889	/* Attach the RX phy error array */
890	ath_sysctl_stats_attach_rxphyerr(sc, child);
891}
892
893/*
894 * This doesn't necessarily belong here (because it's HAL related, not
895 * driver related).
896 */
897void
898ath_sysctl_hal_attach(struct ath_softc *sc)
899{
900	struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
901	struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
902	struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
903
904	tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "hal", CTLFLAG_RD,
905	    NULL, "Atheros HAL parameters");
906	child = SYSCTL_CHILDREN(tree);
907
908	sc->sc_ah->ah_config.ah_debug = 0;
909	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "debug", CTLFLAG_RW,
910	    &sc->sc_ah->ah_config.ah_debug, 0, "Atheros HAL debugging printfs");
911
912	sc->sc_ah->ah_config.ah_ar5416_biasadj = 0;
913	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "ar5416_biasadj", CTLFLAG_RW,
914	    &sc->sc_ah->ah_config.ah_ar5416_biasadj, 0,
915	    "Enable 2ghz AR5416 direction sensitivity bias adjust");
916
917	sc->sc_ah->ah_config.ah_dma_beacon_response_time = 2;
918	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "dma_brt", CTLFLAG_RW,
919	    &sc->sc_ah->ah_config.ah_dma_beacon_response_time, 0,
920	    "Atheros HAL DMA beacon response time");
921
922	sc->sc_ah->ah_config.ah_sw_beacon_response_time = 10;
923	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "sw_brt", CTLFLAG_RW,
924	    &sc->sc_ah->ah_config.ah_sw_beacon_response_time, 0,
925	    "Atheros HAL software beacon response time");
926
927	sc->sc_ah->ah_config.ah_additional_swba_backoff = 0;
928	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "swba_backoff", CTLFLAG_RW,
929	    &sc->sc_ah->ah_config.ah_additional_swba_backoff, 0,
930	    "Atheros HAL additional SWBA backoff time");
931
932	sc->sc_ah->ah_config.ah_force_full_reset = 0;
933	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "force_full_reset", CTLFLAG_RW,
934	    &sc->sc_ah->ah_config.ah_force_full_reset, 0,
935	    "Force full chip reset rather than a warm reset");
936
937	/*
938	 * This is initialised by the driver.
939	 */
940	SYSCTL_ADD_INT(ctx, child, OID_AUTO, "serialise_reg_war", CTLFLAG_RW,
941	    &sc->sc_ah->ah_config.ah_serialise_reg_war, 0,
942	    "Force register access serialisation");
943}
944