ath_netbsd.c revision 1.12
1/*	$NetBSD: ath_netbsd.c,v 1.12 2007/11/26 23:48:37 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 * 3. The name of the author may not be used to endorse or promote products
16 *    derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
31__KERNEL_RCSID(0, "$NetBSD: ath_netbsd.c,v 1.12 2007/11/26 23:48:37 dyoung Exp $");
32
33#include <sys/param.h>
34#include <sys/types.h>
35#include <sys/errno.h>
36#include <sys/systm.h>
37#include <sys/sysctl.h>
38#include <sys/mbuf.h>
39#include <sys/malloc.h>
40#include <sys/lock.h>
41#include <sys/kernel.h>
42#include <sys/socket.h>
43#include <sys/sockio.h>
44#include <sys/sysctl.h>
45#include <sys/callout.h>
46#include <sys/bus.h>
47#include <machine/stdarg.h>
48#include <sys/endian.h>
49#include <sys/device.h>
50
51#include <net/if.h>
52#include <net/if_dl.h>
53#include <net/if_media.h>
54#include <net/if_arp.h>
55#include <net/if_ether.h>
56#include <net/if_llc.h>
57
58#include <net80211/ieee80211_netbsd.h>
59#include <net80211/ieee80211_var.h>
60#include <dev/ic/ath_netbsd.h>
61#include <dev/ic/athvar.h>
62
63void
64device_printf(device_t dev, const char *fmt, ...)
65{
66	va_list ap;
67
68	va_start(ap, fmt);
69	printf("%s: ", device_xname(dev));
70	vprintf(fmt, ap);
71	va_end(ap);
72	return;
73}
74
75/*
76 * Setup sysctl(3) MIB, hw.ath.*.
77 *
78 * TBD condition CTLFLAG_PERMANENT on being an LKM or not
79 */
80SYSCTL_SETUP(sysctl_ath, "sysctl ath subtree setup")
81{
82	int rc;
83	const struct sysctlnode *cnode, *rnode;
84
85	if ((rnode = ath_sysctl_treetop(clog)) == NULL)
86		return;
87
88	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "dwell",
89	    "channel dwell time (ms) for AP/station scanning",
90	    dwelltime)) != 0)
91		goto err;
92
93	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "calibrate",
94	    "chip calibration interval (secs)", calinterval)) != 0)
95		goto err;
96
97	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "outdoor",
98	    "outdoor operation", outdoor)) != 0)
99		goto err;
100
101	/* country code */
102	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE,
103	    "countrycode", "country code", countrycode)) != 0)
104		goto err;
105
106	/* regulatory domain */
107	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "regdomain",
108	    "EEPROM regdomain code", regdomain)) != 0)
109		goto err;
110
111	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "debug",
112	    "control debugging printfs", debug)) != 0)
113		goto err;
114
115	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READONLY, "rxbuf",
116	    "rx buffers allocated", rxbuf)) != 0)
117		goto err;
118	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READONLY, "txbuf",
119	    "tx buffers allocated", txbuf)) != 0)
120		goto err;
121
122	return;
123err:
124	printf("%s: sysctl_createv failed (rc = %d)\n", __func__, rc);
125}
126
127static int
128ath_sysctl_slottime(SYSCTLFN_ARGS)
129{
130	struct ath_softc *sc;
131	struct sysctlnode node;
132	u_int slottime;
133	int error;
134
135	node = *rnode;
136	sc = (struct ath_softc *)node.sysctl_data;
137	slottime = ath_hal_getslottime(sc->sc_ah);
138	node.sysctl_data = &slottime;
139	error = sysctl_lookup(SYSCTLFN_CALL(&node));
140	if (error || newp == NULL)
141		return error;
142	return !ath_hal_setslottime(sc->sc_ah, slottime) ? EINVAL : 0;
143}
144
145static int
146ath_sysctl_acktimeout(SYSCTLFN_ARGS)
147{
148	struct ath_softc *sc;
149	struct sysctlnode node;
150	u_int acktimeout;
151	int error;
152
153	node = *rnode;
154	sc = (struct ath_softc *)node.sysctl_data;
155	acktimeout = ath_hal_getacktimeout(sc->sc_ah);
156	node.sysctl_data = &acktimeout;
157	error = sysctl_lookup(SYSCTLFN_CALL(&node));
158	if (error || newp == NULL)
159		return error;
160	return !ath_hal_setacktimeout(sc->sc_ah, acktimeout) ? EINVAL : 0;
161}
162
163static int
164ath_sysctl_ctstimeout(SYSCTLFN_ARGS)
165{
166	struct ath_softc *sc;
167	struct sysctlnode node;
168	u_int ctstimeout;
169	int error;
170
171	node = *rnode;
172	sc = (struct ath_softc *)node.sysctl_data;
173	ctstimeout = ath_hal_getctstimeout(sc->sc_ah);
174	node.sysctl_data = &ctstimeout;
175	error = sysctl_lookup(SYSCTLFN_CALL(&node));
176	if (error || newp == NULL)
177		return error;
178	return !ath_hal_setctstimeout(sc->sc_ah, ctstimeout) ? EINVAL : 0;
179}
180
181static int
182ath_sysctl_softled(SYSCTLFN_ARGS)
183{
184	struct ath_softc *sc;
185	struct sysctlnode node;
186	int softled;
187	int error;
188
189	node = *rnode;
190	sc = (struct ath_softc *)node.sysctl_data;
191	softled = sc->sc_softled;
192	node.sysctl_data = &softled;
193	error = sysctl_lookup(SYSCTLFN_CALL(&node));
194	if (error || newp == NULL)
195		return error;
196	softled = (softled != 0);
197	if (softled != sc->sc_softled) {
198		if (softled) {
199			/* NB: handle any sc_ledpin change */
200			ath_hal_gpioCfgOutput(sc->sc_ah, sc->sc_ledpin);
201			ath_hal_gpioset(sc->sc_ah, sc->sc_ledpin,
202				!sc->sc_ledon);
203		}
204		sc->sc_softled = softled;
205	}
206	return 0;
207}
208
209static int
210ath_sysctl_rxantenna(SYSCTLFN_ARGS)
211{
212	struct ath_softc *sc;
213	struct sysctlnode node;
214	u_int defantenna;
215	int error;
216
217	node = *rnode;
218	sc = (struct ath_softc *)node.sysctl_data;
219	defantenna = ath_hal_getdefantenna(sc->sc_ah);
220	node.sysctl_data = &defantenna;
221	error = sysctl_lookup(SYSCTLFN_CALL(&node));
222	if (error || newp == NULL)
223		return error;
224	ath_hal_setdefantenna(sc->sc_ah, defantenna);
225	return 0;
226}
227
228static int
229ath_sysctl_diversity(SYSCTLFN_ARGS)
230{
231	struct ath_softc *sc;
232	struct sysctlnode node;
233	u_int diversity;
234	int error;
235
236	node = *rnode;
237	sc = (struct ath_softc *)node.sysctl_data;
238	diversity = sc->sc_diversity;
239	node.sysctl_data = &diversity;
240	error = sysctl_lookup(SYSCTLFN_CALL(&node));
241	if (error || newp == NULL)
242		return error;
243	if (!ath_hal_setdiversity(sc->sc_ah, diversity))
244		return EINVAL;
245	sc->sc_diversity = diversity;
246	return 0;
247}
248
249static int
250ath_sysctl_diag(SYSCTLFN_ARGS)
251{
252	struct ath_softc *sc;
253	struct sysctlnode node;
254	u_int32_t diag;
255	int error;
256
257	node = *rnode;
258	sc = (struct ath_softc *)node.sysctl_data;
259	if (!ath_hal_getdiag(sc->sc_ah, &diag))
260		return EINVAL;
261	node.sysctl_data = &diag;
262	error = sysctl_lookup(SYSCTLFN_CALL(&node));
263	if (error || newp == NULL)
264		return error;
265	return !ath_hal_setdiag(sc->sc_ah, diag) ? EINVAL : 0;
266}
267
268static int
269ath_sysctl_tpscale(SYSCTLFN_ARGS)
270{
271	struct ath_softc *sc;
272	struct sysctlnode node;
273	u_int32_t scale;
274	int error;
275
276	node = *rnode;
277	sc = (struct ath_softc *)node.sysctl_data;
278	(void)ath_hal_gettpscale(sc->sc_ah, &scale);
279	node.sysctl_data = &scale;
280	error = sysctl_lookup(SYSCTLFN_CALL(&node));
281	if (error || newp == NULL)
282		return error;
283	return !ath_hal_settpscale(sc->sc_ah, scale)
284	    ? EINVAL
285	    : ath_reset(&sc->sc_if);
286}
287
288static int
289ath_sysctl_tpc(SYSCTLFN_ARGS)
290{
291	struct ath_softc *sc;
292	struct sysctlnode node;
293	u_int tpc;
294	int error;
295
296	node = *rnode;
297	sc = (struct ath_softc *)node.sysctl_data;
298	tpc = ath_hal_gettpc(sc->sc_ah);
299	node.sysctl_data = &tpc;
300	error = sysctl_lookup(SYSCTLFN_CALL(&node));
301	if (error || newp == NULL)
302		return error;
303	return !ath_hal_settpc(sc->sc_ah, tpc) ? EINVAL : 0;
304}
305
306static int
307ath_sysctl_rfkill(SYSCTLFN_ARGS)
308{
309	struct ath_softc *sc;
310	struct sysctlnode node;
311	u_int rfkill;
312	int error;
313
314	node = *rnode;
315	sc = (struct ath_softc *)node.sysctl_data;
316	rfkill = ath_hal_getrfkill(sc->sc_ah);
317	node.sysctl_data = &rfkill;
318	error = sysctl_lookup(SYSCTLFN_CALL(&node));
319	if (error || newp == NULL)
320		return error;
321	return !ath_hal_setrfkill(sc->sc_ah, rfkill) ? EINVAL : 0;
322}
323
324static int
325ath_sysctl_rfsilent(SYSCTLFN_ARGS)
326{
327	struct ath_softc *sc;
328	struct sysctlnode node;
329	u_int rfsilent;
330	int error;
331
332	node = *rnode;
333	sc = (struct ath_softc *)node.sysctl_data;
334	(void)ath_hal_getrfsilent(sc->sc_ah, &rfsilent);
335	node.sysctl_data = &rfsilent;
336	error = sysctl_lookup(SYSCTLFN_CALL(&node));
337	if (error || newp == NULL)
338		return error;
339	return !ath_hal_setrfsilent(sc->sc_ah, rfsilent) ? EINVAL : 0;
340}
341
342static int
343ath_sysctl_regdomain(SYSCTLFN_ARGS)
344{
345	struct ath_softc *sc;
346	struct sysctlnode node;
347	u_int32_t rd;
348	int error;
349
350	node = *rnode;
351	sc = (struct ath_softc *)node.sysctl_data;
352	if (!ath_hal_getregdomain(sc->sc_ah, &rd))
353		return EINVAL;
354	node.sysctl_data = &rd;
355	error = sysctl_lookup(SYSCTLFN_CALL(&node));
356	if (error || newp == NULL)
357		return error;
358	return !ath_hal_setregdomain(sc->sc_ah, rd) ? EINVAL : 0;
359}
360
361static int
362ath_sysctl_tpack(SYSCTLFN_ARGS)
363{
364	struct ath_softc *sc;
365	struct sysctlnode node;
366	u_int32_t tpack;
367	int error;
368
369	node = *rnode;
370	sc = (struct ath_softc *)node.sysctl_data;
371	(void)ath_hal_gettpack(sc->sc_ah, &tpack);
372	node.sysctl_data = &tpack;
373	error = sysctl_lookup(SYSCTLFN_CALL(&node));
374	if (error || newp == NULL)
375		return error;
376	return !ath_hal_settpack(sc->sc_ah, tpack) ? EINVAL : 0;
377}
378
379static int
380ath_sysctl_tpcts(SYSCTLFN_ARGS)
381{
382	struct ath_softc *sc;
383	struct sysctlnode node;
384	u_int32_t tpcts;
385	int error;
386
387	node = *rnode;
388	sc = (struct ath_softc *)node.sysctl_data;
389	(void)ath_hal_gettpcts(sc->sc_ah, &tpcts);
390	node.sysctl_data = &tpcts;
391	error = sysctl_lookup(SYSCTLFN_CALL(&node));
392	if (error || newp == NULL)
393		return error;
394	return !ath_hal_settpcts(sc->sc_ah, tpcts) ? EINVAL : 0;
395}
396
397const struct sysctlnode *
398ath_sysctl_instance(const char *dvname, struct sysctllog **log)
399{
400	int rc;
401	const struct sysctlnode *rnode;
402
403	if ((rc = sysctl_createv(log, 0, NULL, &rnode,
404	    CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL,
405	    NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0)
406		goto err;
407
408	if ((rc = sysctl_createv(log, 0, &rnode, &rnode,
409	    CTLFLAG_PERMANENT, CTLTYPE_NODE, dvname,
410	    SYSCTL_DESCR("ath information and options"),
411	    NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0)
412		goto err;
413
414	return rnode;
415err:
416	printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc);
417	return NULL;
418}
419
420const struct sysctlnode *
421ath_sysctl_treetop(struct sysctllog **log)
422{
423	int rc;
424	const struct sysctlnode *rnode;
425
426	if ((rc = sysctl_createv(log, 0, NULL, &rnode,
427	    CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL,
428	    NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0)
429		goto err;
430
431	if ((rc = sysctl_createv(log, 0, &rnode, &rnode,
432	    CTLFLAG_PERMANENT, CTLTYPE_NODE, "ath",
433	    SYSCTL_DESCR("ath information and options"),
434	    NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0)
435		goto err;
436
437	return rnode;
438err:
439	printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc);
440	return NULL;
441}
442
443void
444ath_sysctlattach(struct ath_softc *sc)
445{
446	int rc;
447	struct sysctllog **log = &sc->sc_sysctllog;
448	const struct sysctlnode *cnode, *rnode;
449
450	ath_hal_getcountrycode(sc->sc_ah, &sc->sc_countrycode);
451	(void)ath_hal_getregdomain(sc->sc_ah, &sc->sc_regdomain);
452	sc->sc_debug = ath_debug;
453	sc->sc_txintrperiod = ATH_TXINTR_PERIOD;
454
455	if ((rnode = ath_sysctl_instance(sc->sc_dev.dv_xname, log)) == NULL)
456		return;
457
458	if ((rc = SYSCTL_INT(0, countrycode, "EEPROM country code")) != 0)
459		goto err;
460
461	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, debug,
462	    "control debugging printfs")) != 0)
463		goto err;
464
465#if 0
466	/* channel dwell time (ms) for AP/station scanning */
467	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, dwell,
468	    "Channel dwell time (ms) for scanning")) != 0)
469		goto err;
470#endif
471
472	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, slottime,
473	    "802.11 slot time (us)")) != 0)
474		goto err;
475	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, acktimeout,
476	    "802.11 ACK timeout (us)")) != 0)
477		goto err;
478	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, ctstimeout,
479	    "802.11 CTS timeout (us)")) != 0)
480		goto err;
481	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, softled,
482	    "enable/disable software LED support")) != 0)
483		goto err;
484	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledpin,
485	    "GPIO pin connected to LED")) != 0)
486		goto err;
487	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledon,
488	    "setting to turn LED on")) != 0)
489		goto err;
490	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledidle,
491	    "idle time for inactivity LED (ticks)")) != 0)
492		goto err;
493	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, txantenna,
494	    "tx antenna (0=auto)")) != 0)
495		goto err;
496	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rxantenna,
497	    "default/rx antenna")) != 0)
498		goto err;
499	if (ath_hal_hasdiversity(sc->sc_ah)) {
500		if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, diversity,
501		    "antenna diversity")) != 0)
502			goto err;
503	}
504	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, txintrperiod,
505	    "tx descriptor batching")) != 0)
506		goto err;
507	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, diag,
508	    "h/w diagnostic control")) != 0)
509		goto err;
510	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpscale,
511	    "tx power scaling")) != 0)
512		goto err;
513	if (ath_hal_hastpc(sc->sc_ah)) {
514		if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpc,
515		    "enable/disable per-packet TPC")) != 0)
516			goto err;
517		if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpack,
518		    "tx power for ack frames")) != 0)
519			goto err;
520		if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpcts,
521		    "tx power for cts frames")) != 0)
522			goto err;
523	}
524	if (ath_hal_hasrfsilent(sc->sc_ah)) {
525		if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rfsilent,
526		    "h/w RF silent config")) != 0)
527			goto err;
528		if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rfkill,
529		    "enable/disable RF kill switch")) != 0)
530			goto err;
531	}
532	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, regdomain,
533	    "EEPROM regdomain code")) != 0)
534		goto err;
535	return;
536err:
537	printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc);
538}
539