The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/dev/ath/if_ath_sysctl.c

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    1 /*-
    2  * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer,
   10  *    without modification.
   11  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
   12  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
   13  *    redistribution must be conditioned upon including a substantially
   14  *    similar Disclaimer requirement for further binary redistribution.
   15  *
   16  * NO WARRANTY
   17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   19  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
   20  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
   21  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
   22  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
   25  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
   27  * THE POSSIBILITY OF SUCH DAMAGES.
   28  */
   29 
   30 #include <sys/cdefs.h>
   31 __FBSDID("$FreeBSD: releng/11.2/sys/dev/ath/if_ath_sysctl.c 331722 2018-03-29 02:50:57Z eadler $");
   32 
   33 /*
   34  * Driver for the Atheros Wireless LAN controller.
   35  *
   36  * This software is derived from work of Atsushi Onoe; his contribution
   37  * is greatly appreciated.
   38  */
   39 
   40 #include "opt_inet.h"
   41 #include "opt_ath.h"
   42 #include "opt_wlan.h"
   43 
   44 #include <sys/param.h>
   45 #include <sys/systm.h>
   46 #include <sys/sysctl.h>
   47 #include <sys/mbuf.h>
   48 #include <sys/malloc.h>
   49 #include <sys/lock.h>
   50 #include <sys/mutex.h>
   51 #include <sys/kernel.h>
   52 #include <sys/socket.h>
   53 #include <sys/sockio.h>
   54 #include <sys/errno.h>
   55 #include <sys/callout.h>
   56 #include <sys/bus.h>
   57 #include <sys/endian.h>
   58 #include <sys/kthread.h>
   59 #include <sys/taskqueue.h>
   60 #include <sys/priv.h>
   61 
   62 #include <machine/bus.h>
   63 
   64 #include <net/if.h>
   65 #include <net/if_var.h>
   66 #include <net/if_dl.h>
   67 #include <net/if_media.h>
   68 #include <net/if_types.h>
   69 #include <net/if_arp.h>
   70 #include <net/ethernet.h>
   71 #include <net/if_llc.h>
   72 
   73 #include <net80211/ieee80211_var.h>
   74 #include <net80211/ieee80211_regdomain.h>
   75 #ifdef IEEE80211_SUPPORT_SUPERG
   76 #include <net80211/ieee80211_superg.h>
   77 #endif
   78 #ifdef IEEE80211_SUPPORT_TDMA
   79 #include <net80211/ieee80211_tdma.h>
   80 #endif
   81 
   82 #include <net/bpf.h>
   83 
   84 #ifdef INET
   85 #include <netinet/in.h>
   86 #include <netinet/if_ether.h>
   87 #endif
   88 
   89 #include <dev/ath/if_athvar.h>
   90 #include <dev/ath/ath_hal/ah_devid.h>           /* XXX for softled */
   91 #include <dev/ath/ath_hal/ah_diagcodes.h>
   92 
   93 #include <dev/ath/if_ath_debug.h>
   94 #include <dev/ath/if_ath_led.h>
   95 #include <dev/ath/if_ath_misc.h>
   96 #include <dev/ath/if_ath_tx.h>
   97 #include <dev/ath/if_ath_sysctl.h>
   98 
   99 #ifdef ATH_TX99_DIAG
  100 #include <dev/ath/ath_tx99/ath_tx99.h>
  101 #endif
  102 
  103 #ifdef  ATH_DEBUG_ALQ
  104 #include <dev/ath/if_ath_alq.h>
  105 #endif
  106 
  107 static int
  108 ath_sysctl_slottime(SYSCTL_HANDLER_ARGS)
  109 {
  110         struct ath_softc *sc = arg1;
  111         u_int slottime;
  112         int error;
  113 
  114         ATH_LOCK(sc);
  115         ath_power_set_power_state(sc, HAL_PM_AWAKE);
  116         slottime = ath_hal_getslottime(sc->sc_ah);
  117         ATH_UNLOCK(sc);
  118 
  119         error = sysctl_handle_int(oidp, &slottime, 0, req);
  120         if (error || !req->newptr)
  121                 goto finish;
  122 
  123         error = !ath_hal_setslottime(sc->sc_ah, slottime) ? EINVAL : 0;
  124 
  125 finish:
  126         ATH_LOCK(sc);
  127         ath_power_restore_power_state(sc);
  128         ATH_UNLOCK(sc);
  129 
  130         return error;
  131 }
  132 
  133 static int
  134 ath_sysctl_acktimeout(SYSCTL_HANDLER_ARGS)
  135 {
  136         struct ath_softc *sc = arg1;
  137         u_int acktimeout;
  138         int error;
  139 
  140         ATH_LOCK(sc);
  141         ath_power_set_power_state(sc, HAL_PM_AWAKE);
  142         acktimeout = ath_hal_getacktimeout(sc->sc_ah);
  143         ATH_UNLOCK(sc);
  144 
  145         error = sysctl_handle_int(oidp, &acktimeout, 0, req);
  146         if (error || !req->newptr)
  147                 goto finish;
  148 
  149         error = !ath_hal_setacktimeout(sc->sc_ah, acktimeout) ? EINVAL : 0;
  150 
  151 finish:
  152         ATH_LOCK(sc);
  153         ath_power_restore_power_state(sc);
  154         ATH_UNLOCK(sc);
  155 
  156         return (error);
  157 }
  158 
  159 static int
  160 ath_sysctl_ctstimeout(SYSCTL_HANDLER_ARGS)
  161 {
  162         struct ath_softc *sc = arg1;
  163         u_int ctstimeout;
  164         int error;
  165 
  166         ATH_LOCK(sc);
  167         ath_power_set_power_state(sc, HAL_PM_AWAKE);
  168         ctstimeout = ath_hal_getctstimeout(sc->sc_ah);
  169         ATH_UNLOCK(sc);
  170 
  171         error = sysctl_handle_int(oidp, &ctstimeout, 0, req);
  172         if (error || !req->newptr)
  173                 goto finish;
  174 
  175         error = !ath_hal_setctstimeout(sc->sc_ah, ctstimeout) ? EINVAL : 0;
  176 
  177 finish:
  178         ATH_LOCK(sc);
  179         ath_power_restore_power_state(sc);
  180         ATH_UNLOCK(sc);
  181 
  182         return (error);
  183 }
  184 
  185 static int
  186 ath_sysctl_softled(SYSCTL_HANDLER_ARGS)
  187 {
  188         struct ath_softc *sc = arg1;
  189         int softled = sc->sc_softled;
  190         int error;
  191 
  192         error = sysctl_handle_int(oidp, &softled, 0, req);
  193         if (error || !req->newptr)
  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_led_config(sc);
  200                 }
  201                 sc->sc_softled = softled;
  202         }
  203         return 0;
  204 }
  205 
  206 static int
  207 ath_sysctl_ledpin(SYSCTL_HANDLER_ARGS)
  208 {
  209         struct ath_softc *sc = arg1;
  210         int ledpin = sc->sc_ledpin;
  211         int error;
  212 
  213         error = sysctl_handle_int(oidp, &ledpin, 0, req);
  214         if (error || !req->newptr)
  215                 return error;
  216         if (ledpin != sc->sc_ledpin) {
  217                 sc->sc_ledpin = ledpin;
  218                 if (sc->sc_softled) {
  219                         ath_led_config(sc);
  220                 }
  221         }
  222         return 0;
  223 }
  224 
  225 static int
  226 ath_sysctl_hardled(SYSCTL_HANDLER_ARGS)
  227 {
  228         struct ath_softc *sc = arg1;
  229         int hardled = sc->sc_hardled;
  230         int error;
  231 
  232         error = sysctl_handle_int(oidp, &hardled, 0, req);
  233         if (error || !req->newptr)
  234                 return error;
  235         hardled = (hardled != 0);
  236         if (hardled != sc->sc_hardled) {
  237                 if (hardled) {
  238                         /* NB: handle any sc_ledpin change */
  239                         ath_led_config(sc);
  240                 }
  241                 sc->sc_hardled = hardled;
  242         }
  243         return 0;
  244 }
  245 
  246 static int
  247 ath_sysctl_txantenna(SYSCTL_HANDLER_ARGS)
  248 {
  249         struct ath_softc *sc = arg1;
  250         u_int txantenna;
  251         int error;
  252 
  253         ATH_LOCK(sc);
  254         ath_power_set_power_state(sc, HAL_PM_AWAKE);
  255         ATH_UNLOCK(sc);
  256 
  257         txantenna = ath_hal_getantennaswitch(sc->sc_ah);
  258 
  259         error = sysctl_handle_int(oidp, &txantenna, 0, req);
  260         if (!error && req->newptr) {
  261                 /* XXX assumes 2 antenna ports */
  262                 if (txantenna < HAL_ANT_VARIABLE || txantenna > HAL_ANT_FIXED_B) {
  263                         error = EINVAL;
  264                         goto finish;
  265                 }
  266                 ath_hal_setantennaswitch(sc->sc_ah, txantenna);
  267                 /*
  268                  * NB: with the switch locked this isn't meaningful,
  269                  *     but set it anyway so things like radiotap get
  270                  *     consistent info in their data.
  271                  */
  272                 sc->sc_txantenna = txantenna;
  273         }
  274 
  275 finish:
  276         ATH_LOCK(sc);
  277         ath_power_restore_power_state(sc);
  278         ATH_UNLOCK(sc);
  279 
  280         return (error);
  281 }
  282 
  283 static int
  284 ath_sysctl_rxantenna(SYSCTL_HANDLER_ARGS)
  285 {
  286         struct ath_softc *sc = arg1;
  287         u_int defantenna;
  288         int error;
  289 
  290         ATH_LOCK(sc);
  291         ath_power_set_power_state(sc, HAL_PM_AWAKE);
  292         defantenna = ath_hal_getdefantenna(sc->sc_ah);
  293         ATH_UNLOCK(sc);
  294 
  295         error = sysctl_handle_int(oidp, &defantenna, 0, req);
  296         if (!error && req->newptr)
  297                 ath_hal_setdefantenna(sc->sc_ah, defantenna);
  298 
  299         ATH_LOCK(sc);
  300         ath_power_restore_power_state(sc);
  301         ATH_UNLOCK(sc);
  302 
  303         return (error);
  304 }
  305 
  306 static int
  307 ath_sysctl_diversity(SYSCTL_HANDLER_ARGS)
  308 {
  309         struct ath_softc *sc = arg1;
  310         u_int diversity;
  311         int error;
  312 
  313         ATH_LOCK(sc);
  314         ath_power_set_power_state(sc, HAL_PM_AWAKE);
  315         ATH_UNLOCK(sc);
  316 
  317         diversity = ath_hal_getdiversity(sc->sc_ah);
  318 
  319         error = sysctl_handle_int(oidp, &diversity, 0, req);
  320         if (error || !req->newptr)
  321                 goto finish;
  322         if (!ath_hal_setdiversity(sc->sc_ah, diversity)) {
  323                 error = EINVAL;
  324                 goto finish;
  325         }
  326         sc->sc_diversity = diversity;
  327         error = 0;
  328 
  329 finish:
  330         ATH_LOCK(sc);
  331         ath_power_restore_power_state(sc);
  332         ATH_UNLOCK(sc);
  333 
  334         return (error);
  335 }
  336 
  337 static int
  338 ath_sysctl_diag(SYSCTL_HANDLER_ARGS)
  339 {
  340         struct ath_softc *sc = arg1;
  341         u_int32_t diag;
  342         int error;
  343 
  344         ATH_LOCK(sc);
  345         ath_power_set_power_state(sc, HAL_PM_AWAKE);
  346         ATH_UNLOCK(sc);
  347 
  348         if (!ath_hal_getdiag(sc->sc_ah, &diag)) {
  349                 error = EINVAL;
  350                 goto finish;
  351         }
  352 
  353         error = sysctl_handle_int(oidp, &diag, 0, req);
  354         if (error || !req->newptr)
  355                 goto finish;
  356         error = !ath_hal_setdiag(sc->sc_ah, diag) ? EINVAL : 0;
  357 
  358 finish:
  359         ATH_LOCK(sc);
  360         ath_power_restore_power_state(sc);
  361         ATH_UNLOCK(sc);
  362 
  363         return (error);
  364 }
  365 
  366 static int
  367 ath_sysctl_tpscale(SYSCTL_HANDLER_ARGS)
  368 {
  369         struct ath_softc *sc = arg1;
  370         u_int32_t scale;
  371         int error;
  372 
  373         ATH_LOCK(sc);
  374         ath_power_set_power_state(sc, HAL_PM_AWAKE);
  375         ATH_UNLOCK(sc);
  376 
  377         (void) ath_hal_gettpscale(sc->sc_ah, &scale);
  378         error = sysctl_handle_int(oidp, &scale, 0, req);
  379         if (error || !req->newptr)
  380                 goto finish;
  381 
  382         error = !ath_hal_settpscale(sc->sc_ah, scale) ? EINVAL :
  383             (sc->sc_running) ? ath_reset(sc, ATH_RESET_NOLOSS) : 0;
  384 
  385 finish:
  386         ATH_LOCK(sc);
  387         ath_power_restore_power_state(sc);
  388         ATH_UNLOCK(sc);
  389 
  390         return (error);
  391 }
  392 
  393 static int
  394 ath_sysctl_tpc(SYSCTL_HANDLER_ARGS)
  395 {
  396         struct ath_softc *sc = arg1;
  397         u_int tpc;
  398         int error;
  399 
  400         ATH_LOCK(sc);
  401         ath_power_set_power_state(sc, HAL_PM_AWAKE);
  402         ATH_UNLOCK(sc);
  403 
  404         tpc = ath_hal_gettpc(sc->sc_ah);
  405 
  406         error = sysctl_handle_int(oidp, &tpc, 0, req);
  407         if (error || !req->newptr)
  408                 goto finish;
  409         error = !ath_hal_settpc(sc->sc_ah, tpc) ? EINVAL : 0;
  410 
  411 finish:
  412         ATH_LOCK(sc);
  413         ath_power_restore_power_state(sc);
  414         ATH_UNLOCK(sc);
  415 
  416         return (error);
  417 }
  418 
  419 static int
  420 ath_sysctl_rfkill(SYSCTL_HANDLER_ARGS)
  421 {
  422         struct ath_softc *sc = arg1;
  423         struct ath_hal *ah = sc->sc_ah;
  424         u_int rfkill;
  425         int error;
  426 
  427         ATH_LOCK(sc);
  428         ath_power_set_power_state(sc, HAL_PM_AWAKE);
  429         ATH_UNLOCK(sc);
  430 
  431         rfkill = ath_hal_getrfkill(ah);
  432 
  433         error = sysctl_handle_int(oidp, &rfkill, 0, req);
  434         if (error || !req->newptr)
  435                 goto finish;
  436         if (rfkill == ath_hal_getrfkill(ah)) {  /* unchanged */
  437                 error = 0;
  438                 goto finish;
  439         }
  440         if (!ath_hal_setrfkill(ah, rfkill)) {
  441                 error = EINVAL;
  442                 goto finish;
  443         }
  444         error = sc->sc_running ? ath_reset(sc, ATH_RESET_FULL) : 0;
  445 
  446 finish:
  447         ATH_LOCK(sc);
  448         ath_power_restore_power_state(sc);
  449         ATH_UNLOCK(sc);
  450 
  451         return (error);
  452 }
  453 
  454 static int
  455 ath_sysctl_txagg(SYSCTL_HANDLER_ARGS)
  456 {
  457         struct ath_softc *sc = arg1;
  458         int i, t, param = 0;
  459         int error;
  460         struct ath_buf *bf;
  461 
  462         error = sysctl_handle_int(oidp, &param, 0, req);
  463         if (error || !req->newptr)
  464                 return error;
  465 
  466         if (param != 1)
  467                 return 0;
  468 
  469         printf("no tx bufs (empty list): %d\n", sc->sc_stats.ast_tx_getnobuf);
  470         printf("no tx bufs (was busy): %d\n", sc->sc_stats.ast_tx_getbusybuf);
  471 
  472         printf("aggr single packet: %d\n",
  473             sc->sc_aggr_stats.aggr_single_pkt);
  474         printf("aggr single packet w/ BAW closed: %d\n",
  475             sc->sc_aggr_stats.aggr_baw_closed_single_pkt);
  476         printf("aggr non-baw packet: %d\n",
  477             sc->sc_aggr_stats.aggr_nonbaw_pkt);
  478         printf("aggr aggregate packet: %d\n",
  479             sc->sc_aggr_stats.aggr_aggr_pkt);
  480         printf("aggr single packet low hwq: %d\n",
  481             sc->sc_aggr_stats.aggr_low_hwq_single_pkt);
  482         printf("aggr single packet RTS aggr limited: %d\n",
  483             sc->sc_aggr_stats.aggr_rts_aggr_limited);
  484         printf("aggr sched, no work: %d\n",
  485             sc->sc_aggr_stats.aggr_sched_nopkt);
  486         for (i = 0; i < 64; i++) {
  487                 printf("%2d: %10d ", i, sc->sc_aggr_stats.aggr_pkts[i]);
  488                 if (i % 4 == 3)
  489                         printf("\n");
  490         }
  491         printf("\n");
  492 
  493         for (i = 0; i < HAL_NUM_TX_QUEUES; i++) {
  494                 if (ATH_TXQ_SETUP(sc, i)) {
  495                         printf("HW TXQ %d: axq_depth=%d, axq_aggr_depth=%d, "
  496                             "axq_fifo_depth=%d, holdingbf=%p\n",
  497                             i,
  498                             sc->sc_txq[i].axq_depth,
  499                             sc->sc_txq[i].axq_aggr_depth,
  500                             sc->sc_txq[i].axq_fifo_depth,
  501                             sc->sc_txq[i].axq_holdingbf);
  502                 }
  503         }
  504 
  505         i = t = 0;
  506         ATH_TXBUF_LOCK(sc);
  507         TAILQ_FOREACH(bf, &sc->sc_txbuf, bf_list) {
  508                 if (bf->bf_flags & ATH_BUF_BUSY) {
  509                         printf("Busy: %d\n", t);
  510                         i++;
  511                 }
  512                 t++;
  513         }
  514         ATH_TXBUF_UNLOCK(sc);
  515         printf("Total TX buffers: %d; Total TX buffers busy: %d (%d)\n",
  516             t, i, sc->sc_txbuf_cnt);
  517 
  518         i = t = 0;
  519         ATH_TXBUF_LOCK(sc);
  520         TAILQ_FOREACH(bf, &sc->sc_txbuf_mgmt, bf_list) {
  521                 if (bf->bf_flags & ATH_BUF_BUSY) {
  522                         printf("Busy: %d\n", t);
  523                         i++;
  524                 }
  525                 t++;
  526         }
  527         ATH_TXBUF_UNLOCK(sc);
  528         printf("Total mgmt TX buffers: %d; Total mgmt TX buffers busy: %d\n",
  529             t, i);
  530 
  531         ATH_RX_LOCK(sc);
  532         for (i = 0; i < 2; i++) {
  533                 printf("%d: fifolen: %d/%d; head=%d; tail=%d; m_pending=%p, m_holdbf=%p\n",
  534                     i,
  535                     sc->sc_rxedma[i].m_fifo_depth,
  536                     sc->sc_rxedma[i].m_fifolen,
  537                     sc->sc_rxedma[i].m_fifo_head,
  538                     sc->sc_rxedma[i].m_fifo_tail,
  539                     sc->sc_rxedma[i].m_rxpending,
  540                     sc->sc_rxedma[i].m_holdbf);
  541         }
  542         i = 0;
  543         TAILQ_FOREACH(bf, &sc->sc_rxbuf, bf_list) {
  544                 i++;
  545         }
  546         printf("Total RX buffers in free list: %d buffers\n",
  547             i);
  548         ATH_RX_UNLOCK(sc);
  549 
  550         return 0;
  551 }
  552 
  553 static int
  554 ath_sysctl_rfsilent(SYSCTL_HANDLER_ARGS)
  555 {
  556         struct ath_softc *sc = arg1;
  557         u_int rfsilent;
  558         int error;
  559 
  560         ATH_LOCK(sc);
  561         ath_power_set_power_state(sc, HAL_PM_AWAKE);
  562         ATH_UNLOCK(sc);
  563 
  564         (void) ath_hal_getrfsilent(sc->sc_ah, &rfsilent);
  565         error = sysctl_handle_int(oidp, &rfsilent, 0, req);
  566         if (error || !req->newptr)
  567                 goto finish;
  568         if (!ath_hal_setrfsilent(sc->sc_ah, rfsilent)) {
  569                 error = EINVAL;
  570                 goto finish;
  571         }
  572         /*
  573          * Earlier chips (< AR5212) have up to 8 GPIO
  574          * pins exposed.
  575          *
  576          * AR5416 and later chips have many more GPIO
  577          * pins (up to 16) so the mask is expanded to
  578          * four bits.
  579          */
  580         sc->sc_rfsilentpin = rfsilent & 0x3c;
  581         sc->sc_rfsilentpol = (rfsilent & 0x2) != 0;
  582         error = 0;
  583 
  584 finish:
  585         ATH_LOCK(sc);
  586         ath_power_restore_power_state(sc);
  587         ATH_UNLOCK(sc);
  588 
  589         return (error);
  590 }
  591 
  592 static int
  593 ath_sysctl_tpack(SYSCTL_HANDLER_ARGS)
  594 {
  595         struct ath_softc *sc = arg1;
  596         u_int32_t tpack;
  597         int error;
  598 
  599         ATH_LOCK(sc);
  600         ath_power_set_power_state(sc, HAL_PM_AWAKE);
  601         ATH_UNLOCK(sc);
  602 
  603         (void) ath_hal_gettpack(sc->sc_ah, &tpack);
  604         error = sysctl_handle_int(oidp, &tpack, 0, req);
  605         if (error || !req->newptr)
  606                 goto finish;
  607         error = !ath_hal_settpack(sc->sc_ah, tpack) ? EINVAL : 0;
  608 
  609 finish:
  610         ATH_LOCK(sc);
  611         ath_power_restore_power_state(sc);
  612         ATH_UNLOCK(sc);
  613 
  614         return (error);
  615 }
  616 
  617 static int
  618 ath_sysctl_tpcts(SYSCTL_HANDLER_ARGS)
  619 {
  620         struct ath_softc *sc = arg1;
  621         u_int32_t tpcts;
  622         int error;
  623 
  624         ATH_LOCK(sc);
  625         ath_power_set_power_state(sc, HAL_PM_AWAKE);
  626         ATH_UNLOCK(sc);
  627 
  628         (void) ath_hal_gettpcts(sc->sc_ah, &tpcts);
  629         error = sysctl_handle_int(oidp, &tpcts, 0, req);
  630         if (error || !req->newptr)
  631                 goto finish;
  632 
  633         error = !ath_hal_settpcts(sc->sc_ah, tpcts) ? EINVAL : 0;
  634 
  635 finish:
  636         ATH_LOCK(sc);
  637         ath_power_restore_power_state(sc);
  638         ATH_UNLOCK(sc);
  639 
  640         return (error);
  641 }
  642 
  643 static int
  644 ath_sysctl_intmit(SYSCTL_HANDLER_ARGS)
  645 {
  646         struct ath_softc *sc = arg1;
  647         int intmit, error;
  648 
  649         ATH_LOCK(sc);
  650         ath_power_set_power_state(sc, HAL_PM_AWAKE);
  651         ATH_UNLOCK(sc);
  652 
  653         intmit = ath_hal_getintmit(sc->sc_ah);
  654         error = sysctl_handle_int(oidp, &intmit, 0, req);
  655         if (error || !req->newptr)
  656                 goto finish;
  657 
  658         /* reusing error; 1 here means "good"; 0 means "fail" */
  659         error = ath_hal_setintmit(sc->sc_ah, intmit);
  660         if (! error) {
  661                 error = EINVAL;
  662                 goto finish;
  663         }
  664 
  665         /*
  666          * Reset the hardware here - disabling ANI in the HAL
  667          * doesn't reset ANI related registers, so it'll leave
  668          * things in an inconsistent state.
  669          */
  670         if (sc->sc_running)
  671                 ath_reset(sc, ATH_RESET_NOLOSS);
  672 
  673         error = 0;
  674 
  675 finish:
  676         ATH_LOCK(sc);
  677         ath_power_restore_power_state(sc);
  678         ATH_UNLOCK(sc);
  679 
  680         return (error);
  681 }
  682 
  683 #ifdef IEEE80211_SUPPORT_TDMA
  684 static int
  685 ath_sysctl_setcca(SYSCTL_HANDLER_ARGS)
  686 {
  687         struct ath_softc *sc = arg1;
  688         int setcca, error;
  689 
  690         setcca = sc->sc_setcca;
  691         error = sysctl_handle_int(oidp, &setcca, 0, req);
  692         if (error || !req->newptr)
  693                 return error;
  694         sc->sc_setcca = (setcca != 0);
  695         return 0;
  696 }
  697 #endif /* IEEE80211_SUPPORT_TDMA */
  698 
  699 static int
  700 ath_sysctl_forcebstuck(SYSCTL_HANDLER_ARGS)
  701 {
  702         struct ath_softc *sc = arg1;
  703         int val = 0;
  704         int error;
  705 
  706         error = sysctl_handle_int(oidp, &val, 0, req);
  707         if (error || !req->newptr)
  708                 return error;
  709         if (val == 0)
  710                 return 0;
  711 
  712         taskqueue_enqueue(sc->sc_tq, &sc->sc_bstucktask);
  713         val = 0;
  714         return 0;
  715 }
  716 
  717 static int
  718 ath_sysctl_hangcheck(SYSCTL_HANDLER_ARGS)
  719 {
  720         struct ath_softc *sc = arg1;
  721         int val = 0;
  722         int error;
  723         uint32_t mask = 0xffffffff;
  724         uint32_t *sp;
  725         uint32_t rsize;
  726         struct ath_hal *ah = sc->sc_ah;
  727 
  728         error = sysctl_handle_int(oidp, &val, 0, req);
  729         if (error || !req->newptr)
  730                 return error;
  731         if (val == 0)
  732                 return 0;
  733 
  734         ATH_LOCK(sc);
  735         ath_power_set_power_state(sc, HAL_PM_AWAKE);
  736         ATH_UNLOCK(sc);
  737 
  738         /* Do a hang check */
  739         if (!ath_hal_getdiagstate(ah, HAL_DIAG_CHECK_HANGS,
  740             &mask, sizeof(mask),
  741             (void *) &sp, &rsize)) {
  742                 error = 0;
  743                 goto finish;
  744         }
  745 
  746         device_printf(sc->sc_dev, "%s: sp=0x%08x\n", __func__, *sp);
  747 
  748         val = 0;
  749         error = 0;
  750 finish:
  751         ATH_LOCK(sc);
  752         ath_power_restore_power_state(sc);
  753         ATH_UNLOCK(sc);
  754 
  755         return (error);
  756 }
  757 
  758 #ifdef ATH_DEBUG_ALQ
  759 static int
  760 ath_sysctl_alq_log(SYSCTL_HANDLER_ARGS)
  761 {
  762         struct ath_softc *sc = arg1;
  763         int error, enable;
  764 
  765         enable = (sc->sc_alq.sc_alq_isactive);
  766 
  767         error = sysctl_handle_int(oidp, &enable, 0, req);
  768         if (error || !req->newptr)
  769                 return (error);
  770         else if (enable)
  771                 error = if_ath_alq_start(&sc->sc_alq);
  772         else
  773                 error = if_ath_alq_stop(&sc->sc_alq);
  774         return (error);
  775 }
  776 
  777 /*
  778  * Attach the ALQ debugging if required.
  779  */
  780 static void
  781 ath_sysctl_alq_attach(struct ath_softc *sc)
  782 {
  783         struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
  784         struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
  785         struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
  786 
  787         tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "alq", CTLFLAG_RD,
  788             NULL, "Atheros ALQ logging parameters");
  789         child = SYSCTL_CHILDREN(tree);
  790 
  791         SYSCTL_ADD_STRING(ctx, child, OID_AUTO, "filename",
  792             CTLFLAG_RW, sc->sc_alq.sc_alq_filename, 0, "ALQ filename");
  793 
  794         SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  795                 "enable", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
  796                 ath_sysctl_alq_log, "I", "");
  797 
  798         SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  799                 "debugmask", CTLFLAG_RW, &sc->sc_alq.sc_alq_debug, 0,
  800                 "ALQ debug mask");
  801 
  802         SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  803                 "numlost", CTLFLAG_RW, &sc->sc_alq.sc_alq_numlost, 0,
  804                 "number lost");
  805 }
  806 #endif /* ATH_DEBUG_ALQ */
  807 
  808 void
  809 ath_sysctlattach(struct ath_softc *sc)
  810 {
  811         struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
  812         struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
  813         struct ath_hal *ah = sc->sc_ah;
  814 
  815         SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  816                 "countrycode", CTLFLAG_RD, &sc->sc_eecc, 0,
  817                 "EEPROM country code");
  818         SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  819                 "regdomain", CTLFLAG_RD, &sc->sc_eerd, 0,
  820                 "EEPROM regdomain code");
  821 #ifdef  ATH_DEBUG
  822         SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  823                 "debug", CTLFLAG_RW, &sc->sc_debug,
  824                 "control debugging printfs");
  825 #endif
  826 #ifdef  ATH_DEBUG_ALQ
  827         SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  828                 "ktrdebug", CTLFLAG_RW, &sc->sc_ktrdebug,
  829                 "control debugging KTR");
  830 #endif /* ATH_DEBUG_ALQ */
  831         SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  832                 "slottime", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
  833                 ath_sysctl_slottime, "I", "802.11 slot time (us)");
  834         SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  835                 "acktimeout", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
  836                 ath_sysctl_acktimeout, "I", "802.11 ACK timeout (us)");
  837         SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  838                 "ctstimeout", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
  839                 ath_sysctl_ctstimeout, "I", "802.11 CTS timeout (us)");
  840 
  841         SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  842                 "softled", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
  843                 ath_sysctl_softled, "I", "enable/disable software LED support");
  844         SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  845                 "ledpin", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
  846                 ath_sysctl_ledpin, "I", "GPIO pin connected to LED");
  847         SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  848                 "ledon", CTLFLAG_RW, &sc->sc_ledon, 0,
  849                 "setting to turn LED on");
  850         SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  851                 "ledidle", CTLFLAG_RW, &sc->sc_ledidle, 0,
  852                 "idle time for inactivity LED (ticks)");
  853 
  854         SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  855                 "hardled", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
  856                 ath_sysctl_hardled, "I", "enable/disable hardware LED support");
  857         /* XXX Laziness - configure pins, then flip hardled off/on */
  858         SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  859                 "led_net_pin", CTLFLAG_RW, &sc->sc_led_net_pin, 0,
  860                 "MAC Network LED pin, or -1 to disable");
  861         SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  862                 "led_pwr_pin", CTLFLAG_RW, &sc->sc_led_pwr_pin, 0,
  863                 "MAC Power LED pin, or -1 to disable");
  864 
  865         SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  866                 "txantenna", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
  867                 ath_sysctl_txantenna, "I", "antenna switch");
  868         SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  869                 "rxantenna", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
  870                 ath_sysctl_rxantenna, "I", "default/rx antenna");
  871         if (ath_hal_hasdiversity(ah))
  872                 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  873                         "diversity", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
  874                         ath_sysctl_diversity, "I", "antenna diversity");
  875         sc->sc_txintrperiod = ATH_TXINTR_PERIOD;
  876         SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  877                 "txintrperiod", CTLFLAG_RW, &sc->sc_txintrperiod, 0,
  878                 "tx descriptor batching");
  879         SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  880                 "diag", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
  881                 ath_sysctl_diag, "I", "h/w diagnostic control");
  882         SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  883                 "tpscale", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
  884                 ath_sysctl_tpscale, "I", "tx power scaling");
  885         if (ath_hal_hastpc(ah)) {
  886                 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  887                         "tpc", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
  888                         ath_sysctl_tpc, "I", "enable/disable per-packet TPC");
  889                 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  890                         "tpack", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
  891                         ath_sysctl_tpack, "I", "tx power for ack frames");
  892                 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  893                         "tpcts", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
  894                         ath_sysctl_tpcts, "I", "tx power for cts frames");
  895         }
  896         if (ath_hal_hasrfsilent(ah)) {
  897                 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  898                         "rfsilent", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
  899                         ath_sysctl_rfsilent, "I", "h/w RF silent config");
  900                 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  901                         "rfkill", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
  902                         ath_sysctl_rfkill, "I", "enable/disable RF kill switch");
  903         }
  904 
  905         SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  906                 "txagg", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
  907                 ath_sysctl_txagg, "I", "");
  908 
  909         SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  910                 "forcebstuck", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
  911                 ath_sysctl_forcebstuck, "I", "");
  912 
  913         SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  914                 "hangcheck", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
  915                 ath_sysctl_hangcheck, "I", "");
  916 
  917         if (ath_hal_hasintmit(ah)) {
  918                 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  919                         "intmit", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
  920                         ath_sysctl_intmit, "I", "interference mitigation");
  921         }
  922         sc->sc_monpass = HAL_RXERR_DECRYPT | HAL_RXERR_MIC;
  923         SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  924                 "monpass", CTLFLAG_RW, &sc->sc_monpass, 0,
  925                 "mask of error frames to pass when monitoring");
  926 
  927         SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  928                 "hwq_limit_nonaggr", CTLFLAG_RW, &sc->sc_hwq_limit_nonaggr, 0,
  929                 "Hardware non-AMPDU queue depth before software-queuing TX frames");
  930         SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  931                 "hwq_limit_aggr", CTLFLAG_RW, &sc->sc_hwq_limit_aggr, 0,
  932                 "Hardware AMPDU queue depth before software-queuing TX frames");
  933         SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  934                 "tid_hwq_lo", CTLFLAG_RW, &sc->sc_tid_hwq_lo, 0,
  935                 "");
  936         SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  937                 "tid_hwq_hi", CTLFLAG_RW, &sc->sc_tid_hwq_hi, 0,
  938                 "");
  939 
  940         /* Aggregate length twiddles */
  941         SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  942                 "aggr_limit", CTLFLAG_RW, &sc->sc_aggr_limit, 0,
  943                 "Maximum A-MPDU size, or 0 for 'default'");
  944         SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  945                 "rts_aggr_limit", CTLFLAG_RW, &sc->sc_rts_aggr_limit, 0,
  946                 "Maximum A-MPDU size for RTS-protected frames, or '' "
  947                 "for default");
  948         SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  949                 "delim_min_pad", CTLFLAG_RW, &sc->sc_delim_min_pad, 0,
  950                 "Enforce a minimum number of delimiters per A-MPDU "
  951                 " sub-frame");
  952 
  953         SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  954                 "txq_data_minfree", CTLFLAG_RW, &sc->sc_txq_data_minfree,
  955                 0, "Minimum free buffers before adding a data frame"
  956                 " to the TX queue");
  957         SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  958                 "txq_mcastq_maxdepth", CTLFLAG_RW,
  959                 &sc->sc_txq_mcastq_maxdepth, 0,
  960                 "Maximum buffer depth for multicast/broadcast frames");
  961         SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  962                 "txq_node_maxdepth", CTLFLAG_RW,
  963                 &sc->sc_txq_node_maxdepth, 0,
  964                 "Maximum buffer depth for a single node");
  965 
  966 #if 0
  967         SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  968                 "cabq_enable", CTLFLAG_RW,
  969                 &sc->sc_cabq_enable, 0,
  970                 "Whether to transmit on the CABQ or not");
  971 #endif
  972 
  973 #ifdef IEEE80211_SUPPORT_TDMA
  974         if (ath_hal_macversion(ah) > 0x78) {
  975                 sc->sc_tdmadbaprep = 2;
  976                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  977                         "dbaprep", CTLFLAG_RW, &sc->sc_tdmadbaprep, 0,
  978                         "TDMA DBA preparation time");
  979                 sc->sc_tdmaswbaprep = 10;
  980                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  981                         "swbaprep", CTLFLAG_RW, &sc->sc_tdmaswbaprep, 0,
  982                         "TDMA SWBA preparation time");
  983                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  984                         "guardtime", CTLFLAG_RW, &sc->sc_tdmaguard, 0,
  985                         "TDMA slot guard time");
  986                 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  987                         "superframe", CTLFLAG_RD, &sc->sc_tdmabintval, 0,
  988                         "TDMA calculated super frame");
  989                 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
  990                         "setcca", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
  991                         ath_sysctl_setcca, "I", "enable CCA control");
  992         }
  993 #endif
  994 
  995 #ifdef  ATH_DEBUG_ALQ
  996         ath_sysctl_alq_attach(sc);
  997 #endif
  998 }
  999 
 1000 static int
 1001 ath_sysctl_clearstats(SYSCTL_HANDLER_ARGS)
 1002 {
 1003         struct ath_softc *sc = arg1;
 1004         int val = 0;
 1005         int error;
 1006 
 1007         error = sysctl_handle_int(oidp, &val, 0, req);
 1008         if (error || !req->newptr)
 1009                 return error;
 1010         if (val == 0)
 1011                 return 0;       /* Not clearing the stats is still valid */
 1012         memset(&sc->sc_stats, 0, sizeof(sc->sc_stats));
 1013         memset(&sc->sc_aggr_stats, 0, sizeof(sc->sc_aggr_stats));
 1014         memset(&sc->sc_intr_stats, 0, sizeof(sc->sc_intr_stats));
 1015 
 1016         val = 0;
 1017         return 0;
 1018 }
 1019 
 1020 static void
 1021 ath_sysctl_stats_attach_rxphyerr(struct ath_softc *sc, struct sysctl_oid_list *parent)
 1022 {
 1023         struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
 1024         struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
 1025         struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
 1026         int i;
 1027         char sn[8];
 1028 
 1029         tree = SYSCTL_ADD_NODE(ctx, parent, OID_AUTO, "rx_phy_err", CTLFLAG_RD, NULL, "Per-code RX PHY Errors");
 1030         child = SYSCTL_CHILDREN(tree);
 1031         for (i = 0; i < 64; i++) {
 1032                 snprintf(sn, sizeof(sn), "%d", i);
 1033                 SYSCTL_ADD_UINT(ctx, child, OID_AUTO, sn, CTLFLAG_RD, &sc->sc_stats.ast_rx_phy[i], 0, "");
 1034         }
 1035 }
 1036 
 1037 static void
 1038 ath_sysctl_stats_attach_intr(struct ath_softc *sc,
 1039     struct sysctl_oid_list *parent)
 1040 {
 1041         struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
 1042         struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
 1043         struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
 1044         int i;
 1045         char sn[8];
 1046 
 1047         tree = SYSCTL_ADD_NODE(ctx, parent, OID_AUTO, "sync_intr",
 1048             CTLFLAG_RD, NULL, "Sync interrupt statistics");
 1049         child = SYSCTL_CHILDREN(tree);
 1050         for (i = 0; i < 32; i++) {
 1051                 snprintf(sn, sizeof(sn), "%d", i);
 1052                 SYSCTL_ADD_UINT(ctx, child, OID_AUTO, sn, CTLFLAG_RD,
 1053                     &sc->sc_intr_stats.sync_intr[i], 0, "");
 1054         }
 1055 }
 1056 
 1057 void
 1058 ath_sysctl_stats_attach(struct ath_softc *sc)
 1059 {
 1060         struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
 1061         struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
 1062         struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
 1063  
 1064         /* Create "clear" node */
 1065         SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
 1066             "clear_stats", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
 1067             ath_sysctl_clearstats, "I", "clear stats");
 1068 
 1069         /* Create stats node */
 1070         tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD,
 1071             NULL, "Statistics");
 1072         child = SYSCTL_CHILDREN(tree);
 1073 
 1074         /* This was generated from if_athioctl.h */
 1075 
 1076         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_watchdog", CTLFLAG_RD,
 1077             &sc->sc_stats.ast_watchdog, 0, "device reset by watchdog");
 1078         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_hardware", CTLFLAG_RD,
 1079             &sc->sc_stats.ast_hardware, 0, "fatal hardware error interrupts");
 1080         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bmiss", CTLFLAG_RD,
 1081             &sc->sc_stats.ast_bmiss, 0, "beacon miss interrupts");
 1082         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bmiss_phantom", CTLFLAG_RD,
 1083             &sc->sc_stats.ast_bmiss_phantom, 0, "beacon miss interrupts");
 1084         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bstuck", CTLFLAG_RD,
 1085             &sc->sc_stats.ast_bstuck, 0, "beacon stuck interrupts");
 1086         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rxorn", CTLFLAG_RD,
 1087             &sc->sc_stats.ast_rxorn, 0, "rx overrun interrupts");
 1088         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rxeol", CTLFLAG_RD,
 1089             &sc->sc_stats.ast_rxeol, 0, "rx eol interrupts");
 1090         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_txurn", CTLFLAG_RD,
 1091             &sc->sc_stats.ast_txurn, 0, "tx underrun interrupts");
 1092         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_mib", CTLFLAG_RD,
 1093             &sc->sc_stats.ast_mib, 0, "mib interrupts");
 1094         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_intrcoal", CTLFLAG_RD,
 1095             &sc->sc_stats.ast_intrcoal, 0, "interrupts coalesced");
 1096         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_packets", CTLFLAG_RD,
 1097             &sc->sc_stats.ast_tx_packets, 0, "packet sent on the interface");
 1098         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_mgmt", CTLFLAG_RD,
 1099             &sc->sc_stats.ast_tx_mgmt, 0, "management frames transmitted");
 1100         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_discard", CTLFLAG_RD,
 1101             &sc->sc_stats.ast_tx_discard, 0, "frames discarded prior to assoc");
 1102         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_qstop", CTLFLAG_RD,
 1103             &sc->sc_stats.ast_tx_qstop, 0, "output stopped 'cuz no buffer");
 1104         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_encap", CTLFLAG_RD,
 1105             &sc->sc_stats.ast_tx_encap, 0, "tx encapsulation failed");
 1106         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nonode", CTLFLAG_RD,
 1107             &sc->sc_stats.ast_tx_nonode, 0, "tx failed 'cuz no node");
 1108         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nombuf", CTLFLAG_RD,
 1109             &sc->sc_stats.ast_tx_nombuf, 0, "tx failed 'cuz no mbuf");
 1110         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nomcl", CTLFLAG_RD,
 1111             &sc->sc_stats.ast_tx_nomcl, 0, "tx failed 'cuz no cluster");
 1112         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_linear", CTLFLAG_RD,
 1113             &sc->sc_stats.ast_tx_linear, 0, "tx linearized to cluster");
 1114         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nodata", CTLFLAG_RD,
 1115             &sc->sc_stats.ast_tx_nodata, 0, "tx discarded empty frame");
 1116         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_busdma", CTLFLAG_RD,
 1117             &sc->sc_stats.ast_tx_busdma, 0, "tx failed for dma resrcs");
 1118         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_xretries", CTLFLAG_RD,
 1119             &sc->sc_stats.ast_tx_xretries, 0, "tx failed 'cuz too many retries");
 1120         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_fifoerr", CTLFLAG_RD,
 1121             &sc->sc_stats.ast_tx_fifoerr, 0, "tx failed 'cuz FIFO underrun");
 1122         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_filtered", CTLFLAG_RD,
 1123             &sc->sc_stats.ast_tx_filtered, 0, "tx failed 'cuz xmit filtered");
 1124         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_shortretry", CTLFLAG_RD,
 1125             &sc->sc_stats.ast_tx_shortretry, 0, "tx on-chip retries (short)");
 1126         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_longretry", CTLFLAG_RD,
 1127             &sc->sc_stats.ast_tx_longretry, 0, "tx on-chip retries (long)");
 1128         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_badrate", CTLFLAG_RD,
 1129             &sc->sc_stats.ast_tx_badrate, 0, "tx failed 'cuz bogus xmit rate");
 1130         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_noack", CTLFLAG_RD,
 1131             &sc->sc_stats.ast_tx_noack, 0, "tx frames with no ack marked");
 1132         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_rts", CTLFLAG_RD,
 1133             &sc->sc_stats.ast_tx_rts, 0, "tx frames with rts enabled");
 1134         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_cts", CTLFLAG_RD,
 1135             &sc->sc_stats.ast_tx_cts, 0, "tx frames with cts enabled");
 1136         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_shortpre", CTLFLAG_RD,
 1137             &sc->sc_stats.ast_tx_shortpre, 0, "tx frames with short preamble");
 1138         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_altrate", CTLFLAG_RD,
 1139             &sc->sc_stats.ast_tx_altrate, 0, "tx frames with alternate rate");
 1140         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_protect", CTLFLAG_RD,
 1141             &sc->sc_stats.ast_tx_protect, 0, "tx frames with protection");
 1142         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_ctsburst", CTLFLAG_RD,
 1143             &sc->sc_stats.ast_tx_ctsburst, 0, "tx frames with cts and bursting");
 1144         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_ctsext", CTLFLAG_RD,
 1145             &sc->sc_stats.ast_tx_ctsext, 0, "tx frames with cts extension");
 1146         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_nombuf", CTLFLAG_RD,
 1147             &sc->sc_stats.ast_rx_nombuf, 0, "rx setup failed 'cuz no mbuf");
 1148         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_busdma", CTLFLAG_RD,
 1149             &sc->sc_stats.ast_rx_busdma, 0, "rx setup failed for dma resrcs");
 1150         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_orn", CTLFLAG_RD,
 1151             &sc->sc_stats.ast_rx_orn, 0, "rx failed 'cuz of desc overrun");
 1152         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_crcerr", CTLFLAG_RD,
 1153             &sc->sc_stats.ast_rx_crcerr, 0, "rx failed 'cuz of bad CRC");
 1154         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_fifoerr", CTLFLAG_RD,
 1155             &sc->sc_stats.ast_rx_fifoerr, 0, "rx failed 'cuz of FIFO overrun");
 1156         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_badcrypt", CTLFLAG_RD,
 1157             &sc->sc_stats.ast_rx_badcrypt, 0, "rx failed 'cuz decryption");
 1158         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_badmic", CTLFLAG_RD,
 1159             &sc->sc_stats.ast_rx_badmic, 0, "rx failed 'cuz MIC failure");
 1160         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_phyerr", CTLFLAG_RD,
 1161             &sc->sc_stats.ast_rx_phyerr, 0, "rx failed 'cuz of PHY err");
 1162         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_tooshort", CTLFLAG_RD,
 1163             &sc->sc_stats.ast_rx_tooshort, 0, "rx discarded 'cuz frame too short");
 1164         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_toobig", CTLFLAG_RD,
 1165             &sc->sc_stats.ast_rx_toobig, 0, "rx discarded 'cuz frame too large");
 1166         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_packets", CTLFLAG_RD,
 1167             &sc->sc_stats.ast_rx_packets, 0, "packet recv on the interface");
 1168         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_mgt", CTLFLAG_RD,
 1169             &sc->sc_stats.ast_rx_mgt, 0, "management frames received");
 1170         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_ctl", CTLFLAG_RD,
 1171             &sc->sc_stats.ast_rx_ctl, 0, "rx discarded 'cuz ctl frame");
 1172         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_xmit", CTLFLAG_RD,
 1173             &sc->sc_stats.ast_be_xmit, 0, "beacons transmitted");
 1174         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_nombuf", CTLFLAG_RD,
 1175             &sc->sc_stats.ast_be_nombuf, 0, "beacon setup failed 'cuz no mbuf");
 1176         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_cal", CTLFLAG_RD,
 1177             &sc->sc_stats.ast_per_cal, 0, "periodic calibration calls");
 1178         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_calfail", CTLFLAG_RD,
 1179             &sc->sc_stats.ast_per_calfail, 0, "periodic calibration failed");
 1180         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_rfgain", CTLFLAG_RD,
 1181             &sc->sc_stats.ast_per_rfgain, 0, "periodic calibration rfgain reset");
 1182         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_calls", CTLFLAG_RD,
 1183             &sc->sc_stats.ast_rate_calls, 0, "rate control checks");
 1184         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_raise", CTLFLAG_RD,
 1185             &sc->sc_stats.ast_rate_raise, 0, "rate control raised xmit rate");
 1186         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_drop", CTLFLAG_RD,
 1187             &sc->sc_stats.ast_rate_drop, 0, "rate control dropped xmit rate");
 1188         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ant_defswitch", CTLFLAG_RD,
 1189             &sc->sc_stats.ast_ant_defswitch, 0, "rx/default antenna switches");
 1190         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ant_txswitch", CTLFLAG_RD,
 1191             &sc->sc_stats.ast_ant_txswitch, 0, "tx antenna switches");
 1192         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_cabq_xmit", CTLFLAG_RD,
 1193             &sc->sc_stats.ast_cabq_xmit, 0, "cabq frames transmitted");
 1194         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_cabq_busy", CTLFLAG_RD,
 1195             &sc->sc_stats.ast_cabq_busy, 0, "cabq found busy");
 1196         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_raw", CTLFLAG_RD,
 1197             &sc->sc_stats.ast_tx_raw, 0, "tx frames through raw api");
 1198         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_txok", CTLFLAG_RD,
 1199             &sc->sc_stats.ast_ff_txok, 0, "fast frames tx'd successfully");
 1200         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_txerr", CTLFLAG_RD,
 1201             &sc->sc_stats.ast_ff_txerr, 0, "fast frames tx'd w/ error");
 1202         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_rx", CTLFLAG_RD,
 1203             &sc->sc_stats.ast_ff_rx, 0, "fast frames rx'd");
 1204         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_flush", CTLFLAG_RD,
 1205             &sc->sc_stats.ast_ff_flush, 0, "fast frames flushed from staging q");
 1206         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_qfull", CTLFLAG_RD,
 1207             &sc->sc_stats.ast_tx_qfull, 0, "tx dropped 'cuz of queue limit");
 1208         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nobuf", CTLFLAG_RD,
 1209             &sc->sc_stats.ast_tx_nobuf, 0, "tx dropped 'cuz no ath buffer");
 1210         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_update", CTLFLAG_RD,
 1211             &sc->sc_stats.ast_tdma_update, 0, "TDMA slot timing updates");
 1212         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_timers", CTLFLAG_RD,
 1213             &sc->sc_stats.ast_tdma_timers, 0, "TDMA slot update set beacon timers");
 1214         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_tsf", CTLFLAG_RD,
 1215             &sc->sc_stats.ast_tdma_tsf, 0, "TDMA slot update set TSF");
 1216         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_ack", CTLFLAG_RD,
 1217             &sc->sc_stats.ast_tdma_ack, 0, "TDMA tx failed 'cuz ACK required");
 1218         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_raw_fail", CTLFLAG_RD,
 1219             &sc->sc_stats.ast_tx_raw_fail, 0, "raw tx failed 'cuz h/w down");
 1220         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nofrag", CTLFLAG_RD,
 1221             &sc->sc_stats.ast_tx_nofrag, 0, "tx dropped 'cuz no ath frag buffer");
 1222         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_missed", CTLFLAG_RD,
 1223             &sc->sc_stats.ast_be_missed, 0, "number of -missed- beacons");
 1224         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ani_cal", CTLFLAG_RD,
 1225             &sc->sc_stats.ast_ani_cal, 0, "number of ANI polls");
 1226         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_agg", CTLFLAG_RD,
 1227             &sc->sc_stats.ast_rx_agg, 0, "number of aggregate frames received");
 1228 
 1229         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_halfgi", CTLFLAG_RD,
 1230             &sc->sc_stats.ast_rx_halfgi, 0, "number of frames received with half-GI");
 1231         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_2040", CTLFLAG_RD,
 1232             &sc->sc_stats.ast_rx_2040, 0, "number of HT/40 frames received");
 1233         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_pre_crc_err", CTLFLAG_RD,
 1234             &sc->sc_stats.ast_rx_pre_crc_err, 0, "number of delimeter-CRC errors detected");
 1235         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_post_crc_err", CTLFLAG_RD,
 1236             &sc->sc_stats.ast_rx_post_crc_err, 0, "number of post-delimiter CRC errors detected");
 1237         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_decrypt_busy_err", CTLFLAG_RD,
 1238             &sc->sc_stats.ast_rx_decrypt_busy_err, 0, "number of frames received w/ busy decrypt engine");
 1239         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_hi_rx_chain", CTLFLAG_RD,
 1240             &sc->sc_stats.ast_rx_hi_rx_chain, 0, "");
 1241         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_htprotect", CTLFLAG_RD,
 1242             &sc->sc_stats.ast_tx_htprotect, 0, "HT tx frames with protection");
 1243         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_hitqueueend", CTLFLAG_RD,
 1244             &sc->sc_stats.ast_rx_hitqueueend, 0, "RX hit queue end");
 1245         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_timeout", CTLFLAG_RD,
 1246             &sc->sc_stats.ast_tx_timeout, 0, "TX Global Timeout");
 1247         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_cst", CTLFLAG_RD,
 1248             &sc->sc_stats.ast_tx_cst, 0, "TX Carrier Sense Timeout");
 1249         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_xtxop", CTLFLAG_RD,
 1250             &sc->sc_stats.ast_tx_xtxop, 0, "TX exceeded TXOP");
 1251         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_timerexpired", CTLFLAG_RD,
 1252             &sc->sc_stats.ast_tx_timerexpired, 0, "TX exceeded TX_TIMER register");
 1253         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_desccfgerr", CTLFLAG_RD,
 1254             &sc->sc_stats.ast_tx_desccfgerr, 0, "TX Descriptor Cfg Error");
 1255         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_swretries", CTLFLAG_RD,
 1256             &sc->sc_stats.ast_tx_swretries, 0, "TX software retry count");
 1257         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_swretrymax", CTLFLAG_RD,
 1258             &sc->sc_stats.ast_tx_swretrymax, 0, "TX software retry max reached");
 1259 
 1260         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_data_underrun", CTLFLAG_RD,
 1261             &sc->sc_stats.ast_tx_data_underrun, 0, "");
 1262         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_delim_underrun", CTLFLAG_RD,
 1263             &sc->sc_stats.ast_tx_delim_underrun, 0, "");
 1264         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_failall", CTLFLAG_RD,
 1265             &sc->sc_stats.ast_tx_aggr_failall, 0,
 1266             "Number of aggregate TX failures (whole frame)");
 1267         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_ok", CTLFLAG_RD,
 1268             &sc->sc_stats.ast_tx_aggr_ok, 0,
 1269             "Number of aggregate TX OK completions (subframe)");
 1270         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_fail", CTLFLAG_RD,
 1271             &sc->sc_stats.ast_tx_aggr_fail, 0,
 1272             "Number of aggregate TX failures (subframe)");
 1273 
 1274         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_intr", CTLFLAG_RD,
 1275             &sc->sc_stats.ast_rx_intr, 0, "RX interrupts");
 1276         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_intr", CTLFLAG_RD,
 1277             &sc->sc_stats.ast_tx_intr, 0, "TX interrupts");
 1278         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_mcastq_overflow",
 1279             CTLFLAG_RD, &sc->sc_stats.ast_tx_mcastq_overflow, 0,
 1280             "Number of multicast frames exceeding maximum mcast queue depth");
 1281         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_keymiss", CTLFLAG_RD,
 1282             &sc->sc_stats.ast_rx_keymiss, 0, "");
 1283         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_swfiltered", CTLFLAG_RD,
 1284             &sc->sc_stats.ast_tx_swfiltered, 0, "");
 1285         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nodeq_overflow",
 1286             CTLFLAG_RD, &sc->sc_stats.ast_tx_nodeq_overflow, 0,
 1287             "tx dropped 'cuz nodeq overflow");
 1288         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_stbc",
 1289             CTLFLAG_RD, &sc->sc_stats.ast_rx_stbc, 0,
 1290             "Number of STBC frames received");
 1291         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_stbc",
 1292             CTLFLAG_RD, &sc->sc_stats.ast_tx_stbc, 0,
 1293             "Number of STBC frames transmitted");
 1294         SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_ldpc",
 1295             CTLFLAG_RD, &sc->sc_stats.ast_tx_ldpc, 0,
 1296             "Number of LDPC frames transmitted");
 1297         
 1298         /* Attach the RX phy error array */
 1299         ath_sysctl_stats_attach_rxphyerr(sc, child);
 1300 
 1301         /* Attach the interrupt statistics array */
 1302         ath_sysctl_stats_attach_intr(sc, child);
 1303 }
 1304 
 1305 /*
 1306  * This doesn't necessarily belong here (because it's HAL related, not
 1307  * driver related).
 1308  */
 1309 void
 1310 ath_sysctl_hal_attach(struct ath_softc *sc)
 1311 {
 1312         struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
 1313         struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
 1314         struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
 1315 
 1316         tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "hal", CTLFLAG_RD,
 1317             NULL, "Atheros HAL parameters");
 1318         child = SYSCTL_CHILDREN(tree);
 1319 
 1320         sc->sc_ah->ah_config.ah_debug = 0;
 1321         SYSCTL_ADD_INT(ctx, child, OID_AUTO, "debug", CTLFLAG_RW,
 1322             &sc->sc_ah->ah_config.ah_debug, 0, "Atheros HAL debugging printfs");
 1323 
 1324         sc->sc_ah->ah_config.ah_ar5416_biasadj = 0;
 1325         SYSCTL_ADD_INT(ctx, child, OID_AUTO, "ar5416_biasadj", CTLFLAG_RW,
 1326             &sc->sc_ah->ah_config.ah_ar5416_biasadj, 0,
 1327             "Enable 2GHz AR5416 direction sensitivity bias adjust");
 1328 
 1329         sc->sc_ah->ah_config.ah_dma_beacon_response_time = 2;
 1330         SYSCTL_ADD_INT(ctx, child, OID_AUTO, "dma_brt", CTLFLAG_RW,
 1331             &sc->sc_ah->ah_config.ah_dma_beacon_response_time, 0,
 1332             "Atheros HAL DMA beacon response time");
 1333 
 1334         sc->sc_ah->ah_config.ah_sw_beacon_response_time = 10;
 1335         SYSCTL_ADD_INT(ctx, child, OID_AUTO, "sw_brt", CTLFLAG_RW,
 1336             &sc->sc_ah->ah_config.ah_sw_beacon_response_time, 0,
 1337             "Atheros HAL software beacon response time");
 1338 
 1339         sc->sc_ah->ah_config.ah_additional_swba_backoff = 0;
 1340         SYSCTL_ADD_INT(ctx, child, OID_AUTO, "swba_backoff", CTLFLAG_RW,
 1341             &sc->sc_ah->ah_config.ah_additional_swba_backoff, 0,
 1342             "Atheros HAL additional SWBA backoff time");
 1343 
 1344         sc->sc_ah->ah_config.ah_force_full_reset = 0;
 1345         SYSCTL_ADD_INT(ctx, child, OID_AUTO, "force_full_reset", CTLFLAG_RW,
 1346             &sc->sc_ah->ah_config.ah_force_full_reset, 0,
 1347             "Force full chip reset rather than a warm reset");
 1348 
 1349         /*
 1350          * This is initialised by the driver.
 1351          */
 1352         SYSCTL_ADD_INT(ctx, child, OID_AUTO, "serialise_reg_war", CTLFLAG_RW,
 1353             &sc->sc_ah->ah_config.ah_serialise_reg_war, 0,
 1354             "Force register access serialisation");
 1355 }

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