ath_netbsd.c

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    1 /*      $NetBSD: ath_netbsd.c,v 1.15 2008/07/09 19:47:24 joerg 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 1.15 2008/07/09 19:47:24 joerg 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 
   62 void
   63 device_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 an LKM or not
   78  */
   79 SYSCTL_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;
  122 err:
  123         printf("%s: sysctl_createv failed (rc = %d)\n", __func__, rc);
  124 }
  125 
  126 static int
  127 ath_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 
  144 static int
  145 ath_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 
  162 static int
  163 ath_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 
  180 static int
  181 ath_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 
  208 static int
  209 ath_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 
  227 static int
  228 ath_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 
  248 static int
  249 ath_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 
  267 static int
  268 ath_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 
  287 static int
  288 ath_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 
  305 static int
  306 ath_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 
  323 static int
  324 ath_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 
  341 static int
  342 ath_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 
  360 static int
  361 ath_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 
  378 static int
  379 ath_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 
  396 const struct sysctlnode *
  397 ath_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;
  414 err:
  415         printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc);
  416         return NULL;
  417 }
  418 
  419 const struct sysctlnode *
  420 ath_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;
  437 err:
  438         printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc);
  439         return NULL;
  440 }
  441 
  442 void
  443 ath_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;
  535 err:
  536         printf("%s: sysctl_createv failed, rc = %d\n", __func__, rc);
  537 }
Cache object: 0f16b3f2bb13b877b116acd155360739
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FreeBSD/Linux Kernel Cross Reference sys/dev/ic/ath_netbsd.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/ath_netbsd.c
