ath_netbsd.c revision 1.18
1/*	$NetBSD: ath_netbsd.c,v 1.18 2011/01/21 17:46:19 dyoung Exp $ */
2
3/*-
4 * Copyright (c) 2003, 2004 David Young
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
29__KERNEL_RCSID(0, "$NetBSD: ath_netbsd.c,v 1.18 2011/01/21 17:46:19 dyoung Exp $");
30
31#include <sys/param.h>
32#include <sys/types.h>
33#include <sys/errno.h>
34#include <sys/systm.h>
35#include <sys/sysctl.h>
36#include <sys/mbuf.h>
37#include <sys/malloc.h>
38#include <sys/kernel.h>
39#include <sys/socket.h>
40#include <sys/sockio.h>
41#include <sys/sysctl.h>
42#include <sys/callout.h>
43#include <sys/bus.h>
44#include <machine/stdarg.h>
45#include <sys/endian.h>
46#include <sys/device.h>
47
48#include <net/if.h>
49#include <net/if_dl.h>
50#include <net/if_media.h>
51#include <net/if_arp.h>
52#include <net/if_ether.h>
53#include <net/if_llc.h>
54
55#include <net80211/ieee80211_netbsd.h>
56#include <net80211/ieee80211_var.h>
57#include <dev/ic/ath_netbsd.h>
58#include <dev/ic/athvar.h>
59
60/*
61 * Setup sysctl(3) MIB, hw.ath.*.
62 *
63 * TBD condition CTLFLAG_PERMANENT on being a module or not
64 */
65SYSCTL_SETUP(sysctl_ath, "sysctl ath subtree setup")
66{
67	int rc;
68	const struct sysctlnode *cnode, *rnode;
69
70	if ((rnode = ath_sysctl_treetop(clog)) == NULL)
71		return;
72
73	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "dwell",
74	    "channel dwell time (ms) for AP/station scanning",
75	    dwelltime)) != 0)
76		goto err;
77
78	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "calibrate",
79	    "chip calibration interval (secs)", calinterval)) != 0)
80		goto err;
81
82	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "outdoor",
83	    "outdoor operation", outdoor)) != 0)
84		goto err;
85
86	/* country code */
87	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE,
88	    "countrycode", "country code", countrycode)) != 0)
89		goto err;
90
91	/* regulatory domain */
92	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "regdomain",
93	    "EEPROM regdomain code", regdomain)) != 0)
94		goto err;
95
96	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "debug",
97	    "control debugging printfs", debug)) != 0)
98		goto err;
99
100	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READONLY, "rxbuf",
101	    "rx buffers allocated", rxbuf)) != 0)
102		goto err;
103	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READONLY, "txbuf",
104	    "tx buffers allocated", txbuf)) != 0)
105		goto err;
106
107	return;
108err:
109	printf("%s: sysctl_createv failed (rc = %d)\n", __func__, rc);
110}
111
112static int
113ath_sysctl_slottime(SYSCTLFN_ARGS)
114{
115	struct ath_softc *sc;
116	struct sysctlnode node;
117	u_int slottime;
118	int error;
119
120	node = *rnode;
121	sc = (struct ath_softc *)node.sysctl_data;
122	slottime = ath_hal_getslottime(sc->sc_ah);
123	node.sysctl_data = &slottime;
124	error = sysctl_lookup(SYSCTLFN_CALL(&node));
125	if (error || newp == NULL)
126		return error;
127	return !ath_hal_setslottime(sc->sc_ah, slottime) ? EINVAL : 0;
128}
129
130static int
131ath_sysctl_acktimeout(SYSCTLFN_ARGS)
132{
133	struct ath_softc *sc;
134	struct sysctlnode node;
135	u_int acktimeout;
136	int error;
137
138	node = *rnode;
139	sc = (struct ath_softc *)node.sysctl_data;
140	acktimeout = ath_hal_getacktimeout(sc->sc_ah);
141	node.sysctl_data = &acktimeout;
142	error = sysctl_lookup(SYSCTLFN_CALL(&node));
143	if (error || newp == NULL)
144		return error;
145	return !ath_hal_setacktimeout(sc->sc_ah, acktimeout) ? EINVAL : 0;
146}
147
148static int
149ath_sysctl_ctstimeout(SYSCTLFN_ARGS)
150{
151	struct ath_softc *sc;
152	struct sysctlnode node;
153	u_int ctstimeout;
154	int error;
155
156	node = *rnode;
157	sc = (struct ath_softc *)node.sysctl_data;
158	ctstimeout = ath_hal_getctstimeout(sc->sc_ah);
159	node.sysctl_data = &ctstimeout;
160	error = sysctl_lookup(SYSCTLFN_CALL(&node));
161	if (error || newp == NULL)
162		return error;
163	return !ath_hal_setctstimeout(sc->sc_ah, ctstimeout) ? EINVAL : 0;
164}
165
166static int
167ath_sysctl_softled(SYSCTLFN_ARGS)
168{
169	struct ath_softc *sc;
170	struct sysctlnode node;
171	int softled;
172	int error;
173
174	node = *rnode;
175	sc = (struct ath_softc *)node.sysctl_data;
176	softled = sc->sc_softled;
177	node.sysctl_data = &softled;
178	error = sysctl_lookup(SYSCTLFN_CALL(&node));
179	if (error || newp == NULL)
180		return error;
181	softled = (softled != 0);
182	if (softled != sc->sc_softled) {
183		if (softled) {
184			/* NB: handle any sc_ledpin change */
185			ath_hal_gpioCfgOutput(sc->sc_ah, sc->sc_ledpin);
186			ath_hal_gpioset(sc->sc_ah, sc->sc_ledpin,
187				!sc->sc_ledon);
188		}
189		sc->sc_softled = softled;
190	}
191	return 0;
192}
193
194static int
195ath_sysctl_rxantenna(SYSCTLFN_ARGS)
196{
197	struct ath_softc *sc;
198	struct sysctlnode node;
199	u_int defantenna;
200	int error;
201
202	node = *rnode;
203	sc = (struct ath_softc *)node.sysctl_data;
204	defantenna = ath_hal_getdefantenna(sc->sc_ah);
205	node.sysctl_data = &defantenna;
206	error = sysctl_lookup(SYSCTLFN_CALL(&node));
207	if (error || newp == NULL)
208		return error;
209	ath_hal_setdefantenna(sc->sc_ah, defantenna);
210	return 0;
211}
212
213static int
214ath_sysctl_diversity(SYSCTLFN_ARGS)
215{
216	struct ath_softc *sc;
217	struct sysctlnode node;
218	u_int diversity;
219	int error;
220
221	node = *rnode;
222	sc = (struct ath_softc *)node.sysctl_data;
223	diversity = sc->sc_diversity;
224	node.sysctl_data = &diversity;
225	error = sysctl_lookup(SYSCTLFN_CALL(&node));
226	if (error || newp == NULL)
227		return error;
228	if (!ath_hal_setdiversity(sc->sc_ah, diversity))
229		return EINVAL;
230	sc->sc_diversity = diversity;
231	return 0;
232}
233
234static int
235ath_sysctl_diag(SYSCTLFN_ARGS)
236{
237	struct ath_softc *sc;
238	struct sysctlnode node;
239	u_int32_t diag;
240	int error;
241
242	node = *rnode;
243	sc = (struct ath_softc *)node.sysctl_data;
244	if (!ath_hal_getdiag(sc->sc_ah, &diag))
245		return EINVAL;
246	node.sysctl_data = &diag;
247	error = sysctl_lookup(SYSCTLFN_CALL(&node));
248	if (error || newp == NULL)
249		return error;
250	return !ath_hal_setdiag(sc->sc_ah, diag) ? EINVAL : 0;
251}
252
253static int
254ath_sysctl_tpscale(SYSCTLFN_ARGS)
255{
256	struct ath_softc *sc;
257	struct sysctlnode node;
258	u_int32_t scale;
259	int error;
260
261	node = *rnode;
262	sc = (struct ath_softc *)node.sysctl_data;
263	(void)ath_hal_gettpscale(sc->sc_ah, &scale);
264	node.sysctl_data = &scale;
265	error = sysctl_lookup(SYSCTLFN_CALL(&node));
266	if (error || newp == NULL)
267		return error;
268	return !ath_hal_settpscale(sc->sc_ah, scale)
269	    ? EINVAL
270	    : ath_reset(&sc->sc_if);
271}
272
273static int
274ath_sysctl_tpc(SYSCTLFN_ARGS)
275{
276	struct ath_softc *sc;
277	struct sysctlnode node;
278	u_int tpc;
279	int error;
280
281	node = *rnode;
282	sc = (struct ath_softc *)node.sysctl_data;
283	tpc = ath_hal_gettpc(sc->sc_ah);
284	node.sysctl_data = &tpc;
285	error = sysctl_lookup(SYSCTLFN_CALL(&node));
286	if (error || newp == NULL)
287		return error;
288	return !ath_hal_settpc(sc->sc_ah, tpc) ? EINVAL : 0;
289}
290
291static int
292ath_sysctl_rfkill(SYSCTLFN_ARGS)
293{
294	struct ath_softc *sc;
295	struct sysctlnode node;
296	u_int rfkill;
297	int error;
298
299	node = *rnode;
300	sc = (struct ath_softc *)node.sysctl_data;
301	rfkill = ath_hal_getrfkill(sc->sc_ah);
302	node.sysctl_data = &rfkill;
303	error = sysctl_lookup(SYSCTLFN_CALL(&node));
304	if (error || newp == NULL)
305		return error;
306	return !ath_hal_setrfkill(sc->sc_ah, rfkill) ? EINVAL : 0;
307}
308
309static int
310ath_sysctl_rfsilent(SYSCTLFN_ARGS)
311{
312	struct ath_softc *sc;
313	struct sysctlnode node;
314	u_int rfsilent;
315	int error;
316
317	node = *rnode;
318	sc = (struct ath_softc *)node.sysctl_data;
319	(void)ath_hal_getrfsilent(sc->sc_ah, &rfsilent);
320	node.sysctl_data = &rfsilent;
321	error = sysctl_lookup(SYSCTLFN_CALL(&node));
322	if (error || newp == NULL)
323		return error;
324	return !ath_hal_setrfsilent(sc->sc_ah, rfsilent) ? EINVAL : 0;
325}
326
327static int
328ath_sysctl_regdomain(SYSCTLFN_ARGS)
329{
330	struct ath_softc *sc;
331	struct sysctlnode node;
332	u_int32_t rd;
333	int error;
334
335	node = *rnode;
336	sc = (struct ath_softc *)node.sysctl_data;
337	if (!ath_hal_getregdomain(sc->sc_ah, &rd))
338		return EINVAL;
339	node.sysctl_data = &rd;
340	error = sysctl_lookup(SYSCTLFN_CALL(&node));
341	if (error || newp == NULL)
342		return error;
343	return !ath_hal_setregdomain(sc->sc_ah, rd) ? EINVAL : 0;
344}
345
346static int
347ath_sysctl_tpack(SYSCTLFN_ARGS)
348{
349	struct ath_softc *sc;
350	struct sysctlnode node;
351	u_int32_t tpack;
352	int error;
353
354	node = *rnode;
355	sc = (struct ath_softc *)node.sysctl_data;
356	(void)ath_hal_gettpack(sc->sc_ah, &tpack);
357	node.sysctl_data = &tpack;
358	error = sysctl_lookup(SYSCTLFN_CALL(&node));
359	if (error || newp == NULL)
360		return error;
361	return !ath_hal_settpack(sc->sc_ah, tpack) ? EINVAL : 0;
362}
363
364static int
365ath_sysctl_tpcts(SYSCTLFN_ARGS)
366{
367	struct ath_softc *sc;
368	struct sysctlnode node;
369	u_int32_t tpcts;
370	int error;
371
372	node = *rnode;
373	sc = (struct ath_softc *)node.sysctl_data;
374	(void)ath_hal_gettpcts(sc->sc_ah, &tpcts);
375	node.sysctl_data = &tpcts;
376	error = sysctl_lookup(SYSCTLFN_CALL(&node));
377	if (error || newp == NULL)
378		return error;
379	return !ath_hal_settpcts(sc->sc_ah, tpcts) ? EINVAL : 0;
380}
381
382const struct sysctlnode *
383ath_sysctl_instance(const char *dvname, struct sysctllog **log)
384{
385	int rc;
386	const struct sysctlnode *rnode;
387
388	if ((rc = sysctl_createv(log, 0, NULL, &rnode,
389	    CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL,
390	    NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0)
391		goto err;
392
393	if ((rc = sysctl_createv(log, 0, &rnode, &rnode,
394	    CTLFLAG_PERMANENT, CTLTYPE_NODE, dvname,
395	    SYSCTL_DESCR("ath information and options"),
396	    NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0)
397		goto err;
398
399	return rnode;
400err:
401	printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc);
402	return NULL;
403}
404
405const struct sysctlnode *
406ath_sysctl_treetop(struct sysctllog **log)
407{
408	int rc;
409	const struct sysctlnode *rnode;
410
411	if ((rc = sysctl_createv(log, 0, NULL, &rnode,
412	    CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL,
413	    NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0)
414		goto err;
415
416	if ((rc = sysctl_createv(log, 0, &rnode, &rnode,
417	    CTLFLAG_PERMANENT, CTLTYPE_NODE, "ath",
418	    SYSCTL_DESCR("ath information and options"),
419	    NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0)
420		goto err;
421
422	return rnode;
423err:
424	printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc);
425	return NULL;
426}
427
428void
429ath_sysctlattach(struct ath_softc *sc)
430{
431	int rc;
432	struct sysctllog **log = &sc->sc_sysctllog;
433	const struct sysctlnode *cnode, *rnode;
434
435	ath_hal_getcountrycode(sc->sc_ah, &sc->sc_countrycode);
436	(void)ath_hal_getregdomain(sc->sc_ah, &sc->sc_regdomain);
437	sc->sc_debug = ath_debug;
438	sc->sc_txintrperiod = ATH_TXINTR_PERIOD;
439
440	if ((rnode = ath_sysctl_instance(device_xname(sc->sc_dev), log)) == NULL)
441		return;
442
443	if ((rc = SYSCTL_INT(0, countrycode, "EEPROM country code")) != 0)
444		goto err;
445
446	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, debug,
447	    "control debugging printfs")) != 0)
448		goto err;
449
450#if 0
451	/* channel dwell time (ms) for AP/station scanning */
452	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, dwell,
453	    "Channel dwell time (ms) for scanning")) != 0)
454		goto err;
455#endif
456
457	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, slottime,
458	    "802.11 slot time (us)")) != 0)
459		goto err;
460	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, acktimeout,
461	    "802.11 ACK timeout (us)")) != 0)
462		goto err;
463	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, ctstimeout,
464	    "802.11 CTS timeout (us)")) != 0)
465		goto err;
466	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, softled,
467	    "enable/disable software LED support")) != 0)
468		goto err;
469	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledpin,
470	    "GPIO pin connected to LED")) != 0)
471		goto err;
472	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledon,
473	    "setting to turn LED on")) != 0)
474		goto err;
475	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledidle,
476	    "idle time for inactivity LED (ticks)")) != 0)
477		goto err;
478	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, txantenna,
479	    "tx antenna (0=auto)")) != 0)
480		goto err;
481	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rxantenna,
482	    "default/rx antenna")) != 0)
483		goto err;
484	if (ath_hal_hasdiversity(sc->sc_ah)) {
485		if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, diversity,
486		    "antenna diversity")) != 0)
487			goto err;
488	}
489	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, txintrperiod,
490	    "tx descriptor batching")) != 0)
491		goto err;
492	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, diag,
493	    "h/w diagnostic control")) != 0)
494		goto err;
495	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpscale,
496	    "tx power scaling")) != 0)
497		goto err;
498	if (ath_hal_hastpc(sc->sc_ah)) {
499		if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpc,
500		    "enable/disable per-packet TPC")) != 0)
501			goto err;
502		if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpack,
503		    "tx power for ack frames")) != 0)
504			goto err;
505		if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpcts,
506		    "tx power for cts frames")) != 0)
507			goto err;
508	}
509	if (ath_hal_hasrfsilent(sc->sc_ah)) {
510		if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rfsilent,
511		    "h/w RF silent config")) != 0)
512			goto err;
513		if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rfkill,
514		    "enable/disable RF kill switch")) != 0)
515			goto err;
516	}
517	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, regdomain,
518	    "EEPROM regdomain code")) != 0)
519		goto err;
520	return;
521err:
522	printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc);
523}
524