ath_netbsd.c revision 1.16
1/*	$NetBSD: ath_netbsd.c,v 1.16 2008/11/12 12:36:11 ad 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 1.16 2008/11/12 12:36:11 ad 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/kernel.h>
41#include <sys/socket.h>
42#include <sys/sockio.h>
43#include <sys/sysctl.h>
44#include <sys/callout.h>
45#include <sys/bus.h>
46#include <machine/stdarg.h>
47#include <sys/endian.h>
48#include <sys/device.h>
49
50#include <net/if.h>
51#include <net/if_dl.h>
52#include <net/if_media.h>
53#include <net/if_arp.h>
54#include <net/if_ether.h>
55#include <net/if_llc.h>
56
57#include <net80211/ieee80211_netbsd.h>
58#include <net80211/ieee80211_var.h>
59#include <dev/ic/ath_netbsd.h>
60#include <dev/ic/athvar.h>
61
62void
63device_printf(device_t dev, const char *fmt, ...)
64{
65	va_list ap;
66
67	va_start(ap, fmt);
68	printf("%s: ", device_xname(dev));
69	vprintf(fmt, ap);
70	va_end(ap);
71	return;
72}
73
74/*
75 * Setup sysctl(3) MIB, hw.ath.*.
76 *
77 * TBD condition CTLFLAG_PERMANENT on being a module or not
78 */
79SYSCTL_SETUP(sysctl_ath, "sysctl ath subtree setup")
80{
81	int rc;
82	const struct sysctlnode *cnode, *rnode;
83
84	if ((rnode = ath_sysctl_treetop(clog)) == NULL)
85		return;
86
87	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "dwell",
88	    "channel dwell time (ms) for AP/station scanning",
89	    dwelltime)) != 0)
90		goto err;
91
92	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "calibrate",
93	    "chip calibration interval (secs)", calinterval)) != 0)
94		goto err;
95
96	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "outdoor",
97	    "outdoor operation", outdoor)) != 0)
98		goto err;
99
100	/* country code */
101	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE,
102	    "countrycode", "country code", countrycode)) != 0)
103		goto err;
104
105	/* regulatory domain */
106	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "regdomain",
107	    "EEPROM regdomain code", regdomain)) != 0)
108		goto err;
109
110	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "debug",
111	    "control debugging printfs", debug)) != 0)
112		goto err;
113
114	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READONLY, "rxbuf",
115	    "rx buffers allocated", rxbuf)) != 0)
116		goto err;
117	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READONLY, "txbuf",
118	    "tx buffers allocated", txbuf)) != 0)
119		goto err;
120
121	return;
122err:
123	printf("%s: sysctl_createv failed (rc = %d)\n", __func__, rc);
124}
125
126static int
127ath_sysctl_slottime(SYSCTLFN_ARGS)
128{
129	struct ath_softc *sc;
130	struct sysctlnode node;
131	u_int slottime;
132	int error;
133
134	node = *rnode;
135	sc = (struct ath_softc *)node.sysctl_data;
136	slottime = ath_hal_getslottime(sc->sc_ah);
137	node.sysctl_data = &slottime;
138	error = sysctl_lookup(SYSCTLFN_CALL(&node));
139	if (error || newp == NULL)
140		return error;
141	return !ath_hal_setslottime(sc->sc_ah, slottime) ? EINVAL : 0;
142}
143
144static int
145ath_sysctl_acktimeout(SYSCTLFN_ARGS)
146{
147	struct ath_softc *sc;
148	struct sysctlnode node;
149	u_int acktimeout;
150	int error;
151
152	node = *rnode;
153	sc = (struct ath_softc *)node.sysctl_data;
154	acktimeout = ath_hal_getacktimeout(sc->sc_ah);
155	node.sysctl_data = &acktimeout;
156	error = sysctl_lookup(SYSCTLFN_CALL(&node));
157	if (error || newp == NULL)
158		return error;
159	return !ath_hal_setacktimeout(sc->sc_ah, acktimeout) ? EINVAL : 0;
160}
161
162static int
163ath_sysctl_ctstimeout(SYSCTLFN_ARGS)
164{
165	struct ath_softc *sc;
166	struct sysctlnode node;
167	u_int ctstimeout;
168	int error;
169
170	node = *rnode;
171	sc = (struct ath_softc *)node.sysctl_data;
172	ctstimeout = ath_hal_getctstimeout(sc->sc_ah);
173	node.sysctl_data = &ctstimeout;
174	error = sysctl_lookup(SYSCTLFN_CALL(&node));
175	if (error || newp == NULL)
176		return error;
177	return !ath_hal_setctstimeout(sc->sc_ah, ctstimeout) ? EINVAL : 0;
178}
179
180static int
181ath_sysctl_softled(SYSCTLFN_ARGS)
182{
183	struct ath_softc *sc;
184	struct sysctlnode node;
185	int softled;
186	int error;
187
188	node = *rnode;
189	sc = (struct ath_softc *)node.sysctl_data;
190	softled = sc->sc_softled;
191	node.sysctl_data = &softled;
192	error = sysctl_lookup(SYSCTLFN_CALL(&node));
193	if (error || newp == NULL)
194		return error;
195	softled = (softled != 0);
196	if (softled != sc->sc_softled) {
197		if (softled) {
198			/* NB: handle any sc_ledpin change */
199			ath_hal_gpioCfgOutput(sc->sc_ah, sc->sc_ledpin);
200			ath_hal_gpioset(sc->sc_ah, sc->sc_ledpin,
201				!sc->sc_ledon);
202		}
203		sc->sc_softled = softled;
204	}
205	return 0;
206}
207
208static int
209ath_sysctl_rxantenna(SYSCTLFN_ARGS)
210{
211	struct ath_softc *sc;
212	struct sysctlnode node;
213	u_int defantenna;
214	int error;
215
216	node = *rnode;
217	sc = (struct ath_softc *)node.sysctl_data;
218	defantenna = ath_hal_getdefantenna(sc->sc_ah);
219	node.sysctl_data = &defantenna;
220	error = sysctl_lookup(SYSCTLFN_CALL(&node));
221	if (error || newp == NULL)
222		return error;
223	ath_hal_setdefantenna(sc->sc_ah, defantenna);
224	return 0;
225}
226
227static int
228ath_sysctl_diversity(SYSCTLFN_ARGS)
229{
230	struct ath_softc *sc;
231	struct sysctlnode node;
232	u_int diversity;
233	int error;
234
235	node = *rnode;
236	sc = (struct ath_softc *)node.sysctl_data;
237	diversity = sc->sc_diversity;
238	node.sysctl_data = &diversity;
239	error = sysctl_lookup(SYSCTLFN_CALL(&node));
240	if (error || newp == NULL)
241		return error;
242	if (!ath_hal_setdiversity(sc->sc_ah, diversity))
243		return EINVAL;
244	sc->sc_diversity = diversity;
245	return 0;
246}
247
248static int
249ath_sysctl_diag(SYSCTLFN_ARGS)
250{
251	struct ath_softc *sc;
252	struct sysctlnode node;
253	u_int32_t diag;
254	int error;
255
256	node = *rnode;
257	sc = (struct ath_softc *)node.sysctl_data;
258	if (!ath_hal_getdiag(sc->sc_ah, &diag))
259		return EINVAL;
260	node.sysctl_data = &diag;
261	error = sysctl_lookup(SYSCTLFN_CALL(&node));
262	if (error || newp == NULL)
263		return error;
264	return !ath_hal_setdiag(sc->sc_ah, diag) ? EINVAL : 0;
265}
266
267static int
268ath_sysctl_tpscale(SYSCTLFN_ARGS)
269{
270	struct ath_softc *sc;
271	struct sysctlnode node;
272	u_int32_t scale;
273	int error;
274
275	node = *rnode;
276	sc = (struct ath_softc *)node.sysctl_data;
277	(void)ath_hal_gettpscale(sc->sc_ah, &scale);
278	node.sysctl_data = &scale;
279	error = sysctl_lookup(SYSCTLFN_CALL(&node));
280	if (error || newp == NULL)
281		return error;
282	return !ath_hal_settpscale(sc->sc_ah, scale)
283	    ? EINVAL
284	    : ath_reset(&sc->sc_if);
285}
286
287static int
288ath_sysctl_tpc(SYSCTLFN_ARGS)
289{
290	struct ath_softc *sc;
291	struct sysctlnode node;
292	u_int tpc;
293	int error;
294
295	node = *rnode;
296	sc = (struct ath_softc *)node.sysctl_data;
297	tpc = ath_hal_gettpc(sc->sc_ah);
298	node.sysctl_data = &tpc;
299	error = sysctl_lookup(SYSCTLFN_CALL(&node));
300	if (error || newp == NULL)
301		return error;
302	return !ath_hal_settpc(sc->sc_ah, tpc) ? EINVAL : 0;
303}
304
305static int
306ath_sysctl_rfkill(SYSCTLFN_ARGS)
307{
308	struct ath_softc *sc;
309	struct sysctlnode node;
310	u_int rfkill;
311	int error;
312
313	node = *rnode;
314	sc = (struct ath_softc *)node.sysctl_data;
315	rfkill = ath_hal_getrfkill(sc->sc_ah);
316	node.sysctl_data = &rfkill;
317	error = sysctl_lookup(SYSCTLFN_CALL(&node));
318	if (error || newp == NULL)
319		return error;
320	return !ath_hal_setrfkill(sc->sc_ah, rfkill) ? EINVAL : 0;
321}
322
323static int
324ath_sysctl_rfsilent(SYSCTLFN_ARGS)
325{
326	struct ath_softc *sc;
327	struct sysctlnode node;
328	u_int rfsilent;
329	int error;
330
331	node = *rnode;
332	sc = (struct ath_softc *)node.sysctl_data;
333	(void)ath_hal_getrfsilent(sc->sc_ah, &rfsilent);
334	node.sysctl_data = &rfsilent;
335	error = sysctl_lookup(SYSCTLFN_CALL(&node));
336	if (error || newp == NULL)
337		return error;
338	return !ath_hal_setrfsilent(sc->sc_ah, rfsilent) ? EINVAL : 0;
339}
340
341static int
342ath_sysctl_regdomain(SYSCTLFN_ARGS)
343{
344	struct ath_softc *sc;
345	struct sysctlnode node;
346	u_int32_t rd;
347	int error;
348
349	node = *rnode;
350	sc = (struct ath_softc *)node.sysctl_data;
351	if (!ath_hal_getregdomain(sc->sc_ah, &rd))
352		return EINVAL;
353	node.sysctl_data = &rd;
354	error = sysctl_lookup(SYSCTLFN_CALL(&node));
355	if (error || newp == NULL)
356		return error;
357	return !ath_hal_setregdomain(sc->sc_ah, rd) ? EINVAL : 0;
358}
359
360static int
361ath_sysctl_tpack(SYSCTLFN_ARGS)
362{
363	struct ath_softc *sc;
364	struct sysctlnode node;
365	u_int32_t tpack;
366	int error;
367
368	node = *rnode;
369	sc = (struct ath_softc *)node.sysctl_data;
370	(void)ath_hal_gettpack(sc->sc_ah, &tpack);
371	node.sysctl_data = &tpack;
372	error = sysctl_lookup(SYSCTLFN_CALL(&node));
373	if (error || newp == NULL)
374		return error;
375	return !ath_hal_settpack(sc->sc_ah, tpack) ? EINVAL : 0;
376}
377
378static int
379ath_sysctl_tpcts(SYSCTLFN_ARGS)
380{
381	struct ath_softc *sc;
382	struct sysctlnode node;
383	u_int32_t tpcts;
384	int error;
385
386	node = *rnode;
387	sc = (struct ath_softc *)node.sysctl_data;
388	(void)ath_hal_gettpcts(sc->sc_ah, &tpcts);
389	node.sysctl_data = &tpcts;
390	error = sysctl_lookup(SYSCTLFN_CALL(&node));
391	if (error || newp == NULL)
392		return error;
393	return !ath_hal_settpcts(sc->sc_ah, tpcts) ? EINVAL : 0;
394}
395
396const struct sysctlnode *
397ath_sysctl_instance(const char *dvname, struct sysctllog **log)
398{
399	int rc;
400	const struct sysctlnode *rnode;
401
402	if ((rc = sysctl_createv(log, 0, NULL, &rnode,
403	    CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL,
404	    NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0)
405		goto err;
406
407	if ((rc = sysctl_createv(log, 0, &rnode, &rnode,
408	    CTLFLAG_PERMANENT, CTLTYPE_NODE, dvname,
409	    SYSCTL_DESCR("ath information and options"),
410	    NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0)
411		goto err;
412
413	return rnode;
414err:
415	printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc);
416	return NULL;
417}
418
419const struct sysctlnode *
420ath_sysctl_treetop(struct sysctllog **log)
421{
422	int rc;
423	const struct sysctlnode *rnode;
424
425	if ((rc = sysctl_createv(log, 0, NULL, &rnode,
426	    CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL,
427	    NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0)
428		goto err;
429
430	if ((rc = sysctl_createv(log, 0, &rnode, &rnode,
431	    CTLFLAG_PERMANENT, CTLTYPE_NODE, "ath",
432	    SYSCTL_DESCR("ath information and options"),
433	    NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0)
434		goto err;
435
436	return rnode;
437err:
438	printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc);
439	return NULL;
440}
441
442void
443ath_sysctlattach(struct ath_softc *sc)
444{
445	int rc;
446	struct sysctllog **log = &sc->sc_sysctllog;
447	const struct sysctlnode *cnode, *rnode;
448
449	ath_hal_getcountrycode(sc->sc_ah, &sc->sc_countrycode);
450	(void)ath_hal_getregdomain(sc->sc_ah, &sc->sc_regdomain);
451	sc->sc_debug = ath_debug;
452	sc->sc_txintrperiod = ATH_TXINTR_PERIOD;
453
454	if ((rnode = ath_sysctl_instance(device_xname(sc->sc_dev), log)) == NULL)
455		return;
456
457	if ((rc = SYSCTL_INT(0, countrycode, "EEPROM country code")) != 0)
458		goto err;
459
460	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, debug,
461	    "control debugging printfs")) != 0)
462		goto err;
463
464#if 0
465	/* channel dwell time (ms) for AP/station scanning */
466	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, dwell,
467	    "Channel dwell time (ms) for scanning")) != 0)
468		goto err;
469#endif
470
471	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, slottime,
472	    "802.11 slot time (us)")) != 0)
473		goto err;
474	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, acktimeout,
475	    "802.11 ACK timeout (us)")) != 0)
476		goto err;
477	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, ctstimeout,
478	    "802.11 CTS timeout (us)")) != 0)
479		goto err;
480	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, softled,
481	    "enable/disable software LED support")) != 0)
482		goto err;
483	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledpin,
484	    "GPIO pin connected to LED")) != 0)
485		goto err;
486	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledon,
487	    "setting to turn LED on")) != 0)
488		goto err;
489	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledidle,
490	    "idle time for inactivity LED (ticks)")) != 0)
491		goto err;
492	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, txantenna,
493	    "tx antenna (0=auto)")) != 0)
494		goto err;
495	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rxantenna,
496	    "default/rx antenna")) != 0)
497		goto err;
498	if (ath_hal_hasdiversity(sc->sc_ah)) {
499		if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, diversity,
500		    "antenna diversity")) != 0)
501			goto err;
502	}
503	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, txintrperiod,
504	    "tx descriptor batching")) != 0)
505		goto err;
506	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, diag,
507	    "h/w diagnostic control")) != 0)
508		goto err;
509	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpscale,
510	    "tx power scaling")) != 0)
511		goto err;
512	if (ath_hal_hastpc(sc->sc_ah)) {
513		if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpc,
514		    "enable/disable per-packet TPC")) != 0)
515			goto err;
516		if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpack,
517		    "tx power for ack frames")) != 0)
518			goto err;
519		if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpcts,
520		    "tx power for cts frames")) != 0)
521			goto err;
522	}
523	if (ath_hal_hasrfsilent(sc->sc_ah)) {
524		if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rfsilent,
525		    "h/w RF silent config")) != 0)
526			goto err;
527		if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rfkill,
528		    "enable/disable RF kill switch")) != 0)
529			goto err;
530	}
531	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, regdomain,
532	    "EEPROM regdomain code")) != 0)
533		goto err;
534	return;
535err:
536	printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc);
537}
538