ath_netbsd.c revision 1.20
1/*	$NetBSD: ath_netbsd.c,v 1.20 2011/03/07 11:25:41 cegger 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 1.20 2011/03/07 11:25:41 cegger 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#include <sys/module.h>
48
49#include <net/if.h>
50#include <net/if_dl.h>
51#include <net/if_media.h>
52#include <net/if_arp.h>
53#include <net/if_ether.h>
54#include <net/if_llc.h>
55
56#include <net80211/ieee80211_netbsd.h>
57#include <net80211/ieee80211_var.h>
58#include <dev/ic/ath_netbsd.h>
59#include <dev/ic/athvar.h>
60
61/*
62 * Setup sysctl(3) MIB, hw.ath.*.
63 *
64 * TBD condition CTLFLAG_PERMANENT on being a module or not
65 */
66SYSCTL_SETUP(sysctl_ath, "sysctl ath subtree setup")
67{
68	int rc;
69	const struct sysctlnode *cnode, *rnode;
70
71	if ((rnode = ath_sysctl_treetop(clog)) == NULL)
72		return;
73
74	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "dwell",
75	    "channel dwell time (ms) for AP/station scanning",
76	    dwelltime)) != 0)
77		goto err;
78
79	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "calibrate",
80	    "chip calibration interval (secs)", calinterval)) != 0)
81		goto err;
82
83	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "outdoor",
84	    "outdoor operation", outdoor)) != 0)
85		goto err;
86
87	/* country code */
88	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE,
89	    "countrycode", "country code", countrycode)) != 0)
90		goto err;
91
92	/* regulatory domain */
93	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "regdomain",
94	    "EEPROM regdomain code", regdomain)) != 0)
95		goto err;
96
97	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READWRITE, "debug",
98	    "control debugging printfs", debug)) != 0)
99		goto err;
100
101	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READONLY, "rxbuf",
102	    "rx buffers allocated", rxbuf)) != 0)
103		goto err;
104	if ((rc = SYSCTL_GLOBAL_INT(CTLFLAG_READONLY, "txbuf",
105	    "tx buffers allocated", txbuf)) != 0)
106		goto err;
107
108	return;
109err:
110	printf("%s: sysctl_createv failed (rc = %d)\n", __func__, rc);
111}
112
113static int
114ath_sysctl_slottime(SYSCTLFN_ARGS)
115{
116	struct ath_softc *sc;
117	struct sysctlnode node;
118	u_int slottime;
119	int error;
120
121	node = *rnode;
122	sc = (struct ath_softc *)node.sysctl_data;
123	slottime = ath_hal_getslottime(sc->sc_ah);
124	node.sysctl_data = &slottime;
125	error = sysctl_lookup(SYSCTLFN_CALL(&node));
126	if (error || newp == NULL)
127		return error;
128	return !ath_hal_setslottime(sc->sc_ah, slottime) ? EINVAL : 0;
129}
130
131static int
132ath_sysctl_acktimeout(SYSCTLFN_ARGS)
133{
134	struct ath_softc *sc;
135	struct sysctlnode node;
136	u_int acktimeout;
137	int error;
138
139	node = *rnode;
140	sc = (struct ath_softc *)node.sysctl_data;
141	acktimeout = ath_hal_getacktimeout(sc->sc_ah);
142	node.sysctl_data = &acktimeout;
143	error = sysctl_lookup(SYSCTLFN_CALL(&node));
144	if (error || newp == NULL)
145		return error;
146	return !ath_hal_setacktimeout(sc->sc_ah, acktimeout) ? EINVAL : 0;
147}
148
149static int
150ath_sysctl_ctstimeout(SYSCTLFN_ARGS)
151{
152	struct ath_softc *sc;
153	struct sysctlnode node;
154	u_int ctstimeout;
155	int error;
156
157	node = *rnode;
158	sc = (struct ath_softc *)node.sysctl_data;
159	ctstimeout = ath_hal_getctstimeout(sc->sc_ah);
160	node.sysctl_data = &ctstimeout;
161	error = sysctl_lookup(SYSCTLFN_CALL(&node));
162	if (error || newp == NULL)
163		return error;
164	return !ath_hal_setctstimeout(sc->sc_ah, ctstimeout) ? EINVAL : 0;
165}
166
167static int
168ath_sysctl_softled(SYSCTLFN_ARGS)
169{
170	struct ath_softc *sc;
171	struct sysctlnode node;
172	int softled;
173	int error;
174
175	node = *rnode;
176	sc = (struct ath_softc *)node.sysctl_data;
177	softled = sc->sc_softled;
178	node.sysctl_data = &softled;
179	error = sysctl_lookup(SYSCTLFN_CALL(&node));
180	if (error || newp == NULL)
181		return error;
182	softled = (softled != 0);
183	if (softled != sc->sc_softled) {
184		if (softled) {
185			/* NB: handle any sc_ledpin change */
186			ath_hal_gpioCfgOutput(sc->sc_ah, sc->sc_ledpin,
187			    HAL_GPIO_MUX_MAC_NETWORK_LED);
188			ath_hal_gpioset(sc->sc_ah, sc->sc_ledpin,
189				!sc->sc_ledon);
190		}
191		sc->sc_softled = softled;
192	}
193	return 0;
194}
195
196static int
197ath_sysctl_rxantenna(SYSCTLFN_ARGS)
198{
199	struct ath_softc *sc;
200	struct sysctlnode node;
201	u_int defantenna;
202	int error;
203
204	node = *rnode;
205	sc = (struct ath_softc *)node.sysctl_data;
206	defantenna = ath_hal_getdefantenna(sc->sc_ah);
207	node.sysctl_data = &defantenna;
208	error = sysctl_lookup(SYSCTLFN_CALL(&node));
209	if (error || newp == NULL)
210		return error;
211	ath_hal_setdefantenna(sc->sc_ah, defantenna);
212	return 0;
213}
214
215static int
216ath_sysctl_diversity(SYSCTLFN_ARGS)
217{
218	struct ath_softc *sc;
219	struct sysctlnode node;
220	u_int diversity;
221	int error;
222
223	node = *rnode;
224	sc = (struct ath_softc *)node.sysctl_data;
225	diversity = sc->sc_diversity;
226	node.sysctl_data = &diversity;
227	error = sysctl_lookup(SYSCTLFN_CALL(&node));
228	if (error || newp == NULL)
229		return error;
230	if (!ath_hal_setdiversity(sc->sc_ah, diversity))
231		return EINVAL;
232	sc->sc_diversity = diversity;
233	return 0;
234}
235
236static int
237ath_sysctl_diag(SYSCTLFN_ARGS)
238{
239	struct ath_softc *sc;
240	struct sysctlnode node;
241	u_int32_t diag;
242	int error;
243
244	node = *rnode;
245	sc = (struct ath_softc *)node.sysctl_data;
246	if (!ath_hal_getdiag(sc->sc_ah, &diag))
247		return EINVAL;
248	node.sysctl_data = &diag;
249	error = sysctl_lookup(SYSCTLFN_CALL(&node));
250	if (error || newp == NULL)
251		return error;
252	return !ath_hal_setdiag(sc->sc_ah, diag) ? EINVAL : 0;
253}
254
255static int
256ath_sysctl_tpscale(SYSCTLFN_ARGS)
257{
258	struct ath_softc *sc;
259	struct sysctlnode node;
260	u_int32_t scale;
261	int error;
262
263	node = *rnode;
264	sc = (struct ath_softc *)node.sysctl_data;
265	(void)ath_hal_gettpscale(sc->sc_ah, &scale);
266	node.sysctl_data = &scale;
267	error = sysctl_lookup(SYSCTLFN_CALL(&node));
268	if (error || newp == NULL)
269		return error;
270	return !ath_hal_settpscale(sc->sc_ah, scale)
271	    ? EINVAL
272	    : ath_reset(&sc->sc_if);
273}
274
275static int
276ath_sysctl_tpc(SYSCTLFN_ARGS)
277{
278	struct ath_softc *sc;
279	struct sysctlnode node;
280	u_int tpc;
281	int error;
282
283	node = *rnode;
284	sc = (struct ath_softc *)node.sysctl_data;
285	tpc = ath_hal_gettpc(sc->sc_ah);
286	node.sysctl_data = &tpc;
287	error = sysctl_lookup(SYSCTLFN_CALL(&node));
288	if (error || newp == NULL)
289		return error;
290	return !ath_hal_settpc(sc->sc_ah, tpc) ? EINVAL : 0;
291}
292
293static int
294ath_sysctl_rfkill(SYSCTLFN_ARGS)
295{
296	struct ath_softc *sc;
297	struct sysctlnode node;
298	u_int rfkill;
299	int error;
300
301	node = *rnode;
302	sc = (struct ath_softc *)node.sysctl_data;
303	rfkill = ath_hal_getrfkill(sc->sc_ah);
304	node.sysctl_data = &rfkill;
305	error = sysctl_lookup(SYSCTLFN_CALL(&node));
306	if (error || newp == NULL)
307		return error;
308	return !ath_hal_setrfkill(sc->sc_ah, rfkill) ? EINVAL : 0;
309}
310
311static int
312ath_sysctl_rfsilent(SYSCTLFN_ARGS)
313{
314	struct ath_softc *sc;
315	struct sysctlnode node;
316	u_int rfsilent;
317	int error;
318
319	node = *rnode;
320	sc = (struct ath_softc *)node.sysctl_data;
321	(void)ath_hal_getrfsilent(sc->sc_ah, &rfsilent);
322	node.sysctl_data = &rfsilent;
323	error = sysctl_lookup(SYSCTLFN_CALL(&node));
324	if (error || newp == NULL)
325		return error;
326	return !ath_hal_setrfsilent(sc->sc_ah, rfsilent) ? EINVAL : 0;
327}
328
329static int
330ath_sysctl_regdomain(SYSCTLFN_ARGS)
331{
332	struct ath_softc *sc;
333	struct sysctlnode node;
334	u_int32_t rd;
335	int error;
336
337	node = *rnode;
338	sc = (struct ath_softc *)node.sysctl_data;
339	if (!ath_hal_getregdomain(sc->sc_ah, &rd))
340		return EINVAL;
341	node.sysctl_data = &rd;
342	error = sysctl_lookup(SYSCTLFN_CALL(&node));
343	if (error || newp == NULL)
344		return error;
345	return !ath_hal_setregdomain(sc->sc_ah, rd) ? EINVAL : 0;
346}
347
348static int
349ath_sysctl_tpack(SYSCTLFN_ARGS)
350{
351	struct ath_softc *sc;
352	struct sysctlnode node;
353	u_int32_t tpack;
354	int error;
355
356	node = *rnode;
357	sc = (struct ath_softc *)node.sysctl_data;
358	(void)ath_hal_gettpack(sc->sc_ah, &tpack);
359	node.sysctl_data = &tpack;
360	error = sysctl_lookup(SYSCTLFN_CALL(&node));
361	if (error || newp == NULL)
362		return error;
363	return !ath_hal_settpack(sc->sc_ah, tpack) ? EINVAL : 0;
364}
365
366static int
367ath_sysctl_tpcts(SYSCTLFN_ARGS)
368{
369	struct ath_softc *sc;
370	struct sysctlnode node;
371	u_int32_t tpcts;
372	int error;
373
374	node = *rnode;
375	sc = (struct ath_softc *)node.sysctl_data;
376	(void)ath_hal_gettpcts(sc->sc_ah, &tpcts);
377	node.sysctl_data = &tpcts;
378	error = sysctl_lookup(SYSCTLFN_CALL(&node));
379	if (error || newp == NULL)
380		return error;
381	return !ath_hal_settpcts(sc->sc_ah, tpcts) ? EINVAL : 0;
382}
383
384const struct sysctlnode *
385ath_sysctl_instance(const char *dvname, struct sysctllog **log)
386{
387	int rc;
388	const struct sysctlnode *rnode;
389
390	if ((rc = sysctl_createv(log, 0, NULL, &rnode,
391	    CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL,
392	    NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0)
393		goto err;
394
395	if ((rc = sysctl_createv(log, 0, &rnode, &rnode,
396	    CTLFLAG_PERMANENT, CTLTYPE_NODE, dvname,
397	    SYSCTL_DESCR("ath information and options"),
398	    NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0)
399		goto err;
400
401	return rnode;
402err:
403	printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc);
404	return NULL;
405}
406
407const struct sysctlnode *
408ath_sysctl_treetop(struct sysctllog **log)
409{
410	int rc;
411	const struct sysctlnode *rnode;
412
413	if ((rc = sysctl_createv(log, 0, NULL, &rnode,
414	    CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL,
415	    NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0)
416		goto err;
417
418	if ((rc = sysctl_createv(log, 0, &rnode, &rnode,
419	    CTLFLAG_PERMANENT, CTLTYPE_NODE, "ath",
420	    SYSCTL_DESCR("ath information and options"),
421	    NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL)) != 0)
422		goto err;
423
424	return rnode;
425err:
426	printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc);
427	return NULL;
428}
429
430void
431ath_sysctlattach(struct ath_softc *sc)
432{
433	int rc;
434	struct sysctllog **log = &sc->sc_sysctllog;
435	const struct sysctlnode *cnode, *rnode;
436
437	ath_hal_getcountrycode(sc->sc_ah, &sc->sc_countrycode);
438	(void)ath_hal_getregdomain(sc->sc_ah, &sc->sc_regdomain);
439	sc->sc_debug = ath_debug;
440	sc->sc_txintrperiod = ATH_TXINTR_PERIOD;
441
442	if ((rnode = ath_sysctl_instance(device_xname(sc->sc_dev), log)) == NULL)
443		return;
444
445	if ((rc = SYSCTL_INT(0, countrycode, "EEPROM country code")) != 0)
446		goto err;
447
448	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, debug,
449	    "control debugging printfs")) != 0)
450		goto err;
451
452#if 0
453	/* channel dwell time (ms) for AP/station scanning */
454	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, dwell,
455	    "Channel dwell time (ms) for scanning")) != 0)
456		goto err;
457#endif
458
459	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, slottime,
460	    "802.11 slot time (us)")) != 0)
461		goto err;
462	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, acktimeout,
463	    "802.11 ACK timeout (us)")) != 0)
464		goto err;
465	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, ctstimeout,
466	    "802.11 CTS timeout (us)")) != 0)
467		goto err;
468	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, softled,
469	    "enable/disable software LED support")) != 0)
470		goto err;
471	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledpin,
472	    "GPIO pin connected to LED")) != 0)
473		goto err;
474	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledon,
475	    "setting to turn LED on")) != 0)
476		goto err;
477	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, ledidle,
478	    "idle time for inactivity LED (ticks)")) != 0)
479		goto err;
480	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, txantenna,
481	    "tx antenna (0=auto)")) != 0)
482		goto err;
483	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rxantenna,
484	    "default/rx antenna")) != 0)
485		goto err;
486	if (ath_hal_hasdiversity(sc->sc_ah)) {
487		if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, diversity,
488		    "antenna diversity")) != 0)
489			goto err;
490	}
491	if ((rc = SYSCTL_INT(CTLFLAG_READWRITE, txintrperiod,
492	    "tx descriptor batching")) != 0)
493		goto err;
494	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, diag,
495	    "h/w diagnostic control")) != 0)
496		goto err;
497	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpscale,
498	    "tx power scaling")) != 0)
499		goto err;
500	if (ath_hal_hastpc(sc->sc_ah)) {
501		if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpc,
502		    "enable/disable per-packet TPC")) != 0)
503			goto err;
504		if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpack,
505		    "tx power for ack frames")) != 0)
506			goto err;
507		if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, tpcts,
508		    "tx power for cts frames")) != 0)
509			goto err;
510	}
511	if (ath_hal_hasrfsilent(sc->sc_ah)) {
512		if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rfsilent,
513		    "h/w RF silent config")) != 0)
514			goto err;
515		if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, rfkill,
516		    "enable/disable RF kill switch")) != 0)
517			goto err;
518	}
519	if ((rc = SYSCTL_INT_SUBR(CTLFLAG_READWRITE, regdomain,
520	    "EEPROM regdomain code")) != 0)
521		goto err;
522	return;
523err:
524	printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc);
525}
526
527MODULE(MODULE_CLASS_MISC, ath, "ath_hal");
528
529static int
530ath_modcmd(modcmd_t cmd, void *opaque)
531{
532	switch (cmd) {
533	case MODULE_CMD_INIT:
534	case MODULE_CMD_FINI:
535		return 0;
536	default:
537		return ENOTTY;
538	}
539}
540