sys/dev/ic/ath_netbsd.c

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