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ath_netbsd.c revision 1.3.2.5
      1 /*	$NetBSD: ath_netbsd.c,v 1.3.2.5 2007/12/07 17:29:51 yamt 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 1.3.2.5 2007/12/07 17:29:51 yamt 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 
     63 void
     64 device_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  */
     80 SYSCTL_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;
    123 err:
    124 	printf("%s: sysctl_createv failed (rc = %d)\n", __func__, rc);
    125 }
    126 
    127 static int
    128 ath_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 
    145 static int
    146 ath_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 
    163 static int
    164 ath_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 
    181 static int
    182 ath_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 
    209 static int
    210 ath_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 
    228 static int
    229 ath_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 
    249 static int
    250 ath_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 
    268 static int
    269 ath_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 
    288 static int
    289 ath_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 
    306 static int
    307 ath_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 
    324 static int
    325 ath_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 
    342 static int
    343 ath_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 
    361 static int
    362 ath_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 
    379 static int
    380 ath_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 
    397 const struct sysctlnode *
    398 ath_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;
    415 err:
    416 	printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc);
    417 	return NULL;
    418 }
    419 
    420 const struct sysctlnode *
    421 ath_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;
    438 err:
    439 	printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc);
    440 	return NULL;
    441 }
    442 
    443 void
    444 ath_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;
    536 err:
    537 	printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc);
    538 }
    539