1353 lines
43 KiB
C
1353 lines
43 KiB
C
/*-
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* Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
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* redistribution must be conditioned upon including a substantially
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* similar Disclaimer requirement for further binary redistribution.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGES.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* Driver for the Atheros Wireless LAN controller.
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*
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* This software is derived from work of Atsushi Onoe; his contribution
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* is greatly appreciated.
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*/
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#include "opt_inet.h"
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#include "opt_ath.h"
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#include "opt_wlan.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/sysctl.h>
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#include <sys/mbuf.h>
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#include <sys/malloc.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/kernel.h>
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#include <sys/socket.h>
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#include <sys/sockio.h>
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#include <sys/errno.h>
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#include <sys/callout.h>
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#include <sys/bus.h>
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#include <sys/endian.h>
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#include <sys/kthread.h>
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#include <sys/taskqueue.h>
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#include <sys/priv.h>
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#include <machine/bus.h>
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#include <net/if.h>
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#include <net/if_var.h>
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#include <net/if_dl.h>
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#include <net/if_media.h>
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#include <net/if_types.h>
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#include <net/if_arp.h>
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#include <net/ethernet.h>
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#include <net/if_llc.h>
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#include <net80211/ieee80211_var.h>
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#include <net80211/ieee80211_regdomain.h>
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#ifdef IEEE80211_SUPPORT_SUPERG
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#include <net80211/ieee80211_superg.h>
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#endif
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#ifdef IEEE80211_SUPPORT_TDMA
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#include <net80211/ieee80211_tdma.h>
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#endif
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#include <net/bpf.h>
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#ifdef INET
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#include <netinet/in.h>
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#include <netinet/if_ether.h>
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#endif
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#include <dev/ath/if_athvar.h>
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#include <dev/ath/ath_hal/ah_devid.h> /* XXX for softled */
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#include <dev/ath/ath_hal/ah_diagcodes.h>
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#include <dev/ath/if_ath_debug.h>
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#include <dev/ath/if_ath_led.h>
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#include <dev/ath/if_ath_misc.h>
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#include <dev/ath/if_ath_tx.h>
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#include <dev/ath/if_ath_sysctl.h>
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#ifdef ATH_TX99_DIAG
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#include <dev/ath/ath_tx99/ath_tx99.h>
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#endif
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#ifdef ATH_DEBUG_ALQ
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#include <dev/ath/if_ath_alq.h>
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#endif
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static int
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ath_sysctl_slottime(SYSCTL_HANDLER_ARGS)
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{
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struct ath_softc *sc = arg1;
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u_int slottime;
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int error;
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ATH_LOCK(sc);
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ath_power_set_power_state(sc, HAL_PM_AWAKE);
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slottime = ath_hal_getslottime(sc->sc_ah);
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ATH_UNLOCK(sc);
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error = sysctl_handle_int(oidp, &slottime, 0, req);
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if (error || !req->newptr)
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goto finish;
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error = !ath_hal_setslottime(sc->sc_ah, slottime) ? EINVAL : 0;
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finish:
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ATH_LOCK(sc);
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ath_power_restore_power_state(sc);
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ATH_UNLOCK(sc);
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return error;
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}
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static int
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ath_sysctl_acktimeout(SYSCTL_HANDLER_ARGS)
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{
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struct ath_softc *sc = arg1;
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u_int acktimeout;
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int error;
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ATH_LOCK(sc);
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ath_power_set_power_state(sc, HAL_PM_AWAKE);
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acktimeout = ath_hal_getacktimeout(sc->sc_ah);
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ATH_UNLOCK(sc);
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error = sysctl_handle_int(oidp, &acktimeout, 0, req);
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if (error || !req->newptr)
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goto finish;
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error = !ath_hal_setacktimeout(sc->sc_ah, acktimeout) ? EINVAL : 0;
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finish:
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ATH_LOCK(sc);
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ath_power_restore_power_state(sc);
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ATH_UNLOCK(sc);
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return (error);
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}
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static int
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ath_sysctl_ctstimeout(SYSCTL_HANDLER_ARGS)
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{
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struct ath_softc *sc = arg1;
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u_int ctstimeout;
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int error;
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ATH_LOCK(sc);
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ath_power_set_power_state(sc, HAL_PM_AWAKE);
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ctstimeout = ath_hal_getctstimeout(sc->sc_ah);
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ATH_UNLOCK(sc);
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error = sysctl_handle_int(oidp, &ctstimeout, 0, req);
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if (error || !req->newptr)
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goto finish;
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error = !ath_hal_setctstimeout(sc->sc_ah, ctstimeout) ? EINVAL : 0;
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finish:
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ATH_LOCK(sc);
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ath_power_restore_power_state(sc);
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ATH_UNLOCK(sc);
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return (error);
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}
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static int
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ath_sysctl_softled(SYSCTL_HANDLER_ARGS)
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{
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struct ath_softc *sc = arg1;
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int softled = sc->sc_softled;
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int error;
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error = sysctl_handle_int(oidp, &softled, 0, req);
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if (error || !req->newptr)
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return error;
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softled = (softled != 0);
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if (softled != sc->sc_softled) {
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if (softled) {
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/* NB: handle any sc_ledpin change */
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ath_led_config(sc);
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}
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sc->sc_softled = softled;
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}
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return 0;
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}
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static int
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ath_sysctl_ledpin(SYSCTL_HANDLER_ARGS)
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{
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struct ath_softc *sc = arg1;
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int ledpin = sc->sc_ledpin;
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int error;
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error = sysctl_handle_int(oidp, &ledpin, 0, req);
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if (error || !req->newptr)
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return error;
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if (ledpin != sc->sc_ledpin) {
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sc->sc_ledpin = ledpin;
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if (sc->sc_softled) {
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ath_led_config(sc);
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}
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}
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return 0;
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}
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static int
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ath_sysctl_hardled(SYSCTL_HANDLER_ARGS)
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{
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struct ath_softc *sc = arg1;
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int hardled = sc->sc_hardled;
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int error;
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error = sysctl_handle_int(oidp, &hardled, 0, req);
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if (error || !req->newptr)
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return error;
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hardled = (hardled != 0);
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if (hardled != sc->sc_hardled) {
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if (hardled) {
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/* NB: handle any sc_ledpin change */
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ath_led_config(sc);
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}
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sc->sc_hardled = hardled;
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}
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return 0;
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}
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static int
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ath_sysctl_txantenna(SYSCTL_HANDLER_ARGS)
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{
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struct ath_softc *sc = arg1;
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u_int txantenna;
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int error;
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ATH_LOCK(sc);
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ath_power_set_power_state(sc, HAL_PM_AWAKE);
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ATH_UNLOCK(sc);
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txantenna = ath_hal_getantennaswitch(sc->sc_ah);
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error = sysctl_handle_int(oidp, &txantenna, 0, req);
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if (!error && req->newptr) {
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/* XXX assumes 2 antenna ports */
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if (txantenna < HAL_ANT_VARIABLE || txantenna > HAL_ANT_FIXED_B) {
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error = EINVAL;
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goto finish;
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}
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ath_hal_setantennaswitch(sc->sc_ah, txantenna);
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/*
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* NB: with the switch locked this isn't meaningful,
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* but set it anyway so things like radiotap get
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* consistent info in their data.
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*/
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sc->sc_txantenna = txantenna;
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}
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finish:
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ATH_LOCK(sc);
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ath_power_restore_power_state(sc);
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ATH_UNLOCK(sc);
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return (error);
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}
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static int
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ath_sysctl_rxantenna(SYSCTL_HANDLER_ARGS)
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{
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struct ath_softc *sc = arg1;
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u_int defantenna;
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int error;
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ATH_LOCK(sc);
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ath_power_set_power_state(sc, HAL_PM_AWAKE);
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defantenna = ath_hal_getdefantenna(sc->sc_ah);
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ATH_UNLOCK(sc);
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error = sysctl_handle_int(oidp, &defantenna, 0, req);
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if (!error && req->newptr)
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ath_hal_setdefantenna(sc->sc_ah, defantenna);
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ATH_LOCK(sc);
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ath_power_restore_power_state(sc);
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ATH_UNLOCK(sc);
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return (error);
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}
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static int
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ath_sysctl_diversity(SYSCTL_HANDLER_ARGS)
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{
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struct ath_softc *sc = arg1;
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u_int diversity;
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int error;
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ATH_LOCK(sc);
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ath_power_set_power_state(sc, HAL_PM_AWAKE);
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ATH_UNLOCK(sc);
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diversity = ath_hal_getdiversity(sc->sc_ah);
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error = sysctl_handle_int(oidp, &diversity, 0, req);
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if (error || !req->newptr)
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goto finish;
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if (!ath_hal_setdiversity(sc->sc_ah, diversity)) {
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error = EINVAL;
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goto finish;
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}
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sc->sc_diversity = diversity;
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error = 0;
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finish:
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ATH_LOCK(sc);
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ath_power_restore_power_state(sc);
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ATH_UNLOCK(sc);
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return (error);
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}
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static int
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ath_sysctl_diag(SYSCTL_HANDLER_ARGS)
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{
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struct ath_softc *sc = arg1;
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u_int32_t diag;
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int error;
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ATH_LOCK(sc);
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ath_power_set_power_state(sc, HAL_PM_AWAKE);
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ATH_UNLOCK(sc);
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if (!ath_hal_getdiag(sc->sc_ah, &diag)) {
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error = EINVAL;
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goto finish;
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}
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error = sysctl_handle_int(oidp, &diag, 0, req);
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if (error || !req->newptr)
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goto finish;
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error = !ath_hal_setdiag(sc->sc_ah, diag) ? EINVAL : 0;
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finish:
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ATH_LOCK(sc);
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ath_power_restore_power_state(sc);
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ATH_UNLOCK(sc);
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return (error);
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}
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static int
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ath_sysctl_tpscale(SYSCTL_HANDLER_ARGS)
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{
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struct ath_softc *sc = arg1;
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u_int32_t scale;
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int error;
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ATH_LOCK(sc);
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ath_power_set_power_state(sc, HAL_PM_AWAKE);
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ATH_UNLOCK(sc);
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(void) ath_hal_gettpscale(sc->sc_ah, &scale);
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error = sysctl_handle_int(oidp, &scale, 0, req);
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if (error || !req->newptr)
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goto finish;
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error = !ath_hal_settpscale(sc->sc_ah, scale) ? EINVAL :
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(sc->sc_running) ? ath_reset(sc, ATH_RESET_NOLOSS) : 0;
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finish:
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ATH_LOCK(sc);
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ath_power_restore_power_state(sc);
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ATH_UNLOCK(sc);
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return (error);
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}
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static int
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ath_sysctl_tpc(SYSCTL_HANDLER_ARGS)
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{
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struct ath_softc *sc = arg1;
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u_int tpc;
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int error;
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ATH_LOCK(sc);
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ath_power_set_power_state(sc, HAL_PM_AWAKE);
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ATH_UNLOCK(sc);
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tpc = ath_hal_gettpc(sc->sc_ah);
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error = sysctl_handle_int(oidp, &tpc, 0, req);
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if (error || !req->newptr)
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goto finish;
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error = !ath_hal_settpc(sc->sc_ah, tpc) ? EINVAL : 0;
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finish:
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ATH_LOCK(sc);
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ath_power_restore_power_state(sc);
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ATH_UNLOCK(sc);
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return (error);
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}
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static int
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ath_sysctl_rfkill(SYSCTL_HANDLER_ARGS)
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{
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struct ath_softc *sc = arg1;
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struct ath_hal *ah = sc->sc_ah;
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u_int rfkill;
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int error;
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ATH_LOCK(sc);
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ath_power_set_power_state(sc, HAL_PM_AWAKE);
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ATH_UNLOCK(sc);
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rfkill = ath_hal_getrfkill(ah);
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error = sysctl_handle_int(oidp, &rfkill, 0, req);
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if (error || !req->newptr)
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goto finish;
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if (rfkill == ath_hal_getrfkill(ah)) { /* unchanged */
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error = 0;
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goto finish;
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}
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if (!ath_hal_setrfkill(ah, rfkill)) {
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error = EINVAL;
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goto finish;
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}
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error = sc->sc_running ? ath_reset(sc, ATH_RESET_FULL) : 0;
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|
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finish:
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ATH_LOCK(sc);
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ath_power_restore_power_state(sc);
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ATH_UNLOCK(sc);
|
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|
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return (error);
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}
|
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|
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static int
|
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ath_sysctl_txagg(SYSCTL_HANDLER_ARGS)
|
|
{
|
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struct ath_softc *sc = arg1;
|
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int i, t, param = 0;
|
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int error;
|
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struct ath_buf *bf;
|
|
|
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error = sysctl_handle_int(oidp, ¶m, 0, req);
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if (error || !req->newptr)
|
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return error;
|
|
|
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if (param != 1)
|
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return 0;
|
|
|
|
printf("no tx bufs (empty list): %d\n", sc->sc_stats.ast_tx_getnobuf);
|
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printf("no tx bufs (was busy): %d\n", sc->sc_stats.ast_tx_getbusybuf);
|
|
|
|
printf("aggr single packet: %d\n",
|
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sc->sc_aggr_stats.aggr_single_pkt);
|
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printf("aggr single packet w/ BAW closed: %d\n",
|
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sc->sc_aggr_stats.aggr_baw_closed_single_pkt);
|
|
printf("aggr non-baw packet: %d\n",
|
|
sc->sc_aggr_stats.aggr_nonbaw_pkt);
|
|
printf("aggr aggregate packet: %d\n",
|
|
sc->sc_aggr_stats.aggr_aggr_pkt);
|
|
printf("aggr single packet low hwq: %d\n",
|
|
sc->sc_aggr_stats.aggr_low_hwq_single_pkt);
|
|
printf("aggr single packet RTS aggr limited: %d\n",
|
|
sc->sc_aggr_stats.aggr_rts_aggr_limited);
|
|
printf("aggr sched, no work: %d\n",
|
|
sc->sc_aggr_stats.aggr_sched_nopkt);
|
|
for (i = 0; i < 64; i++) {
|
|
printf("%2d: %10d ", i, sc->sc_aggr_stats.aggr_pkts[i]);
|
|
if (i % 4 == 3)
|
|
printf("\n");
|
|
}
|
|
printf("\n");
|
|
|
|
for (i = 0; i < HAL_NUM_TX_QUEUES; i++) {
|
|
if (ATH_TXQ_SETUP(sc, i)) {
|
|
printf("HW TXQ %d: axq_depth=%d, axq_aggr_depth=%d, "
|
|
"axq_fifo_depth=%d, holdingbf=%p\n",
|
|
i,
|
|
sc->sc_txq[i].axq_depth,
|
|
sc->sc_txq[i].axq_aggr_depth,
|
|
sc->sc_txq[i].axq_fifo_depth,
|
|
sc->sc_txq[i].axq_holdingbf);
|
|
}
|
|
}
|
|
|
|
i = t = 0;
|
|
ATH_TXBUF_LOCK(sc);
|
|
TAILQ_FOREACH(bf, &sc->sc_txbuf, bf_list) {
|
|
if (bf->bf_flags & ATH_BUF_BUSY) {
|
|
printf("Busy: %d\n", t);
|
|
i++;
|
|
}
|
|
t++;
|
|
}
|
|
ATH_TXBUF_UNLOCK(sc);
|
|
printf("Total TX buffers: %d; Total TX buffers busy: %d (%d)\n",
|
|
t, i, sc->sc_txbuf_cnt);
|
|
|
|
i = t = 0;
|
|
ATH_TXBUF_LOCK(sc);
|
|
TAILQ_FOREACH(bf, &sc->sc_txbuf_mgmt, bf_list) {
|
|
if (bf->bf_flags & ATH_BUF_BUSY) {
|
|
printf("Busy: %d\n", t);
|
|
i++;
|
|
}
|
|
t++;
|
|
}
|
|
ATH_TXBUF_UNLOCK(sc);
|
|
printf("Total mgmt TX buffers: %d; Total mgmt TX buffers busy: %d\n",
|
|
t, i);
|
|
|
|
ATH_RX_LOCK(sc);
|
|
for (i = 0; i < 2; i++) {
|
|
printf("%d: fifolen: %d/%d; head=%d; tail=%d; m_pending=%p, m_holdbf=%p\n",
|
|
i,
|
|
sc->sc_rxedma[i].m_fifo_depth,
|
|
sc->sc_rxedma[i].m_fifolen,
|
|
sc->sc_rxedma[i].m_fifo_head,
|
|
sc->sc_rxedma[i].m_fifo_tail,
|
|
sc->sc_rxedma[i].m_rxpending,
|
|
sc->sc_rxedma[i].m_holdbf);
|
|
}
|
|
i = 0;
|
|
TAILQ_FOREACH(bf, &sc->sc_rxbuf, bf_list) {
|
|
i++;
|
|
}
|
|
printf("Total RX buffers in free list: %d buffers\n",
|
|
i);
|
|
ATH_RX_UNLOCK(sc);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ath_sysctl_rfsilent(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
struct ath_softc *sc = arg1;
|
|
u_int rfsilent;
|
|
int error;
|
|
|
|
ATH_LOCK(sc);
|
|
ath_power_set_power_state(sc, HAL_PM_AWAKE);
|
|
ATH_UNLOCK(sc);
|
|
|
|
(void) ath_hal_getrfsilent(sc->sc_ah, &rfsilent);
|
|
error = sysctl_handle_int(oidp, &rfsilent, 0, req);
|
|
if (error || !req->newptr)
|
|
goto finish;
|
|
if (!ath_hal_setrfsilent(sc->sc_ah, rfsilent)) {
|
|
error = EINVAL;
|
|
goto finish;
|
|
}
|
|
/*
|
|
* Earlier chips (< AR5212) have up to 8 GPIO
|
|
* pins exposed.
|
|
*
|
|
* AR5416 and later chips have many more GPIO
|
|
* pins (up to 16) so the mask is expanded to
|
|
* four bits.
|
|
*/
|
|
sc->sc_rfsilentpin = rfsilent & 0x3c;
|
|
sc->sc_rfsilentpol = (rfsilent & 0x2) != 0;
|
|
error = 0;
|
|
|
|
finish:
|
|
ATH_LOCK(sc);
|
|
ath_power_restore_power_state(sc);
|
|
ATH_UNLOCK(sc);
|
|
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
ath_sysctl_tpack(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
struct ath_softc *sc = arg1;
|
|
u_int32_t tpack;
|
|
int error;
|
|
|
|
ATH_LOCK(sc);
|
|
ath_power_set_power_state(sc, HAL_PM_AWAKE);
|
|
ATH_UNLOCK(sc);
|
|
|
|
(void) ath_hal_gettpack(sc->sc_ah, &tpack);
|
|
error = sysctl_handle_int(oidp, &tpack, 0, req);
|
|
if (error || !req->newptr)
|
|
goto finish;
|
|
error = !ath_hal_settpack(sc->sc_ah, tpack) ? EINVAL : 0;
|
|
|
|
finish:
|
|
ATH_LOCK(sc);
|
|
ath_power_restore_power_state(sc);
|
|
ATH_UNLOCK(sc);
|
|
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
ath_sysctl_tpcts(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
struct ath_softc *sc = arg1;
|
|
u_int32_t tpcts;
|
|
int error;
|
|
|
|
ATH_LOCK(sc);
|
|
ath_power_set_power_state(sc, HAL_PM_AWAKE);
|
|
ATH_UNLOCK(sc);
|
|
|
|
(void) ath_hal_gettpcts(sc->sc_ah, &tpcts);
|
|
error = sysctl_handle_int(oidp, &tpcts, 0, req);
|
|
if (error || !req->newptr)
|
|
goto finish;
|
|
|
|
error = !ath_hal_settpcts(sc->sc_ah, tpcts) ? EINVAL : 0;
|
|
|
|
finish:
|
|
ATH_LOCK(sc);
|
|
ath_power_restore_power_state(sc);
|
|
ATH_UNLOCK(sc);
|
|
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
ath_sysctl_intmit(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
struct ath_softc *sc = arg1;
|
|
int intmit, error;
|
|
|
|
ATH_LOCK(sc);
|
|
ath_power_set_power_state(sc, HAL_PM_AWAKE);
|
|
ATH_UNLOCK(sc);
|
|
|
|
intmit = ath_hal_getintmit(sc->sc_ah);
|
|
error = sysctl_handle_int(oidp, &intmit, 0, req);
|
|
if (error || !req->newptr)
|
|
goto finish;
|
|
|
|
/* reusing error; 1 here means "good"; 0 means "fail" */
|
|
error = ath_hal_setintmit(sc->sc_ah, intmit);
|
|
if (! error) {
|
|
error = EINVAL;
|
|
goto finish;
|
|
}
|
|
|
|
/*
|
|
* Reset the hardware here - disabling ANI in the HAL
|
|
* doesn't reset ANI related registers, so it'll leave
|
|
* things in an inconsistent state.
|
|
*/
|
|
if (sc->sc_running)
|
|
ath_reset(sc, ATH_RESET_NOLOSS);
|
|
|
|
error = 0;
|
|
|
|
finish:
|
|
ATH_LOCK(sc);
|
|
ath_power_restore_power_state(sc);
|
|
ATH_UNLOCK(sc);
|
|
|
|
return (error);
|
|
}
|
|
|
|
#ifdef IEEE80211_SUPPORT_TDMA
|
|
static int
|
|
ath_sysctl_setcca(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
struct ath_softc *sc = arg1;
|
|
int setcca, error;
|
|
|
|
setcca = sc->sc_setcca;
|
|
error = sysctl_handle_int(oidp, &setcca, 0, req);
|
|
if (error || !req->newptr)
|
|
return error;
|
|
sc->sc_setcca = (setcca != 0);
|
|
return 0;
|
|
}
|
|
#endif /* IEEE80211_SUPPORT_TDMA */
|
|
|
|
static int
|
|
ath_sysctl_forcebstuck(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
struct ath_softc *sc = arg1;
|
|
int val = 0;
|
|
int error;
|
|
|
|
error = sysctl_handle_int(oidp, &val, 0, req);
|
|
if (error || !req->newptr)
|
|
return error;
|
|
if (val == 0)
|
|
return 0;
|
|
|
|
taskqueue_enqueue(sc->sc_tq, &sc->sc_bstucktask);
|
|
val = 0;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ath_sysctl_hangcheck(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
struct ath_softc *sc = arg1;
|
|
int val = 0;
|
|
int error;
|
|
uint32_t mask = 0xffffffff;
|
|
uint32_t *sp;
|
|
uint32_t rsize;
|
|
struct ath_hal *ah = sc->sc_ah;
|
|
|
|
error = sysctl_handle_int(oidp, &val, 0, req);
|
|
if (error || !req->newptr)
|
|
return error;
|
|
if (val == 0)
|
|
return 0;
|
|
|
|
ATH_LOCK(sc);
|
|
ath_power_set_power_state(sc, HAL_PM_AWAKE);
|
|
ATH_UNLOCK(sc);
|
|
|
|
/* Do a hang check */
|
|
if (!ath_hal_getdiagstate(ah, HAL_DIAG_CHECK_HANGS,
|
|
&mask, sizeof(mask),
|
|
(void *) &sp, &rsize)) {
|
|
error = 0;
|
|
goto finish;
|
|
}
|
|
|
|
device_printf(sc->sc_dev, "%s: sp=0x%08x\n", __func__, *sp);
|
|
|
|
val = 0;
|
|
error = 0;
|
|
finish:
|
|
ATH_LOCK(sc);
|
|
ath_power_restore_power_state(sc);
|
|
ATH_UNLOCK(sc);
|
|
|
|
return (error);
|
|
}
|
|
|
|
#ifdef ATH_DEBUG_ALQ
|
|
static int
|
|
ath_sysctl_alq_log(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
struct ath_softc *sc = arg1;
|
|
int error, enable;
|
|
|
|
enable = (sc->sc_alq.sc_alq_isactive);
|
|
|
|
error = sysctl_handle_int(oidp, &enable, 0, req);
|
|
if (error || !req->newptr)
|
|
return (error);
|
|
else if (enable)
|
|
error = if_ath_alq_start(&sc->sc_alq);
|
|
else
|
|
error = if_ath_alq_stop(&sc->sc_alq);
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Attach the ALQ debugging if required.
|
|
*/
|
|
static void
|
|
ath_sysctl_alq_attach(struct ath_softc *sc)
|
|
{
|
|
struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
|
|
struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
|
|
struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
|
|
|
|
tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "alq", CTLFLAG_RD,
|
|
NULL, "Atheros ALQ logging parameters");
|
|
child = SYSCTL_CHILDREN(tree);
|
|
|
|
SYSCTL_ADD_STRING(ctx, child, OID_AUTO, "filename",
|
|
CTLFLAG_RW, sc->sc_alq.sc_alq_filename, 0, "ALQ filename");
|
|
|
|
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"enable", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
|
|
ath_sysctl_alq_log, "I", "");
|
|
|
|
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"debugmask", CTLFLAG_RW, &sc->sc_alq.sc_alq_debug, 0,
|
|
"ALQ debug mask");
|
|
|
|
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"numlost", CTLFLAG_RW, &sc->sc_alq.sc_alq_numlost, 0,
|
|
"number lost");
|
|
}
|
|
#endif /* ATH_DEBUG_ALQ */
|
|
|
|
void
|
|
ath_sysctlattach(struct ath_softc *sc)
|
|
{
|
|
struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
|
|
struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
|
|
struct ath_hal *ah = sc->sc_ah;
|
|
|
|
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"countrycode", CTLFLAG_RD, &sc->sc_eecc, 0,
|
|
"EEPROM country code");
|
|
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"regdomain", CTLFLAG_RD, &sc->sc_eerd, 0,
|
|
"EEPROM regdomain code");
|
|
#ifdef ATH_DEBUG
|
|
SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"debug", CTLFLAG_RW, &sc->sc_debug,
|
|
"control debugging printfs");
|
|
#endif
|
|
#ifdef ATH_DEBUG_ALQ
|
|
SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"ktrdebug", CTLFLAG_RW, &sc->sc_ktrdebug,
|
|
"control debugging KTR");
|
|
#endif /* ATH_DEBUG_ALQ */
|
|
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"slottime", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
|
|
ath_sysctl_slottime, "I", "802.11 slot time (us)");
|
|
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"acktimeout", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
|
|
ath_sysctl_acktimeout, "I", "802.11 ACK timeout (us)");
|
|
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"ctstimeout", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
|
|
ath_sysctl_ctstimeout, "I", "802.11 CTS timeout (us)");
|
|
|
|
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"softled", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
|
|
ath_sysctl_softled, "I", "enable/disable software LED support");
|
|
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"ledpin", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
|
|
ath_sysctl_ledpin, "I", "GPIO pin connected to LED");
|
|
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"ledon", CTLFLAG_RW, &sc->sc_ledon, 0,
|
|
"setting to turn LED on");
|
|
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"ledidle", CTLFLAG_RW, &sc->sc_ledidle, 0,
|
|
"idle time for inactivity LED (ticks)");
|
|
|
|
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"hardled", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
|
|
ath_sysctl_hardled, "I", "enable/disable hardware LED support");
|
|
/* XXX Laziness - configure pins, then flip hardled off/on */
|
|
SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"led_net_pin", CTLFLAG_RW, &sc->sc_led_net_pin, 0,
|
|
"MAC Network LED pin, or -1 to disable");
|
|
SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"led_pwr_pin", CTLFLAG_RW, &sc->sc_led_pwr_pin, 0,
|
|
"MAC Power LED pin, or -1 to disable");
|
|
|
|
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"txantenna", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
|
|
ath_sysctl_txantenna, "I", "antenna switch");
|
|
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"rxantenna", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
|
|
ath_sysctl_rxantenna, "I", "default/rx antenna");
|
|
if (ath_hal_hasdiversity(ah))
|
|
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"diversity", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
|
|
ath_sysctl_diversity, "I", "antenna diversity");
|
|
sc->sc_txintrperiod = ATH_TXINTR_PERIOD;
|
|
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"txintrperiod", CTLFLAG_RW, &sc->sc_txintrperiod, 0,
|
|
"tx descriptor batching");
|
|
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"diag", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
|
|
ath_sysctl_diag, "I", "h/w diagnostic control");
|
|
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"tpscale", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
|
|
ath_sysctl_tpscale, "I", "tx power scaling");
|
|
if (ath_hal_hastpc(ah)) {
|
|
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"tpc", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
|
|
ath_sysctl_tpc, "I", "enable/disable per-packet TPC");
|
|
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"tpack", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
|
|
ath_sysctl_tpack, "I", "tx power for ack frames");
|
|
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"tpcts", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
|
|
ath_sysctl_tpcts, "I", "tx power for cts frames");
|
|
}
|
|
if (ath_hal_hasrfsilent(ah)) {
|
|
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"rfsilent", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
|
|
ath_sysctl_rfsilent, "I", "h/w RF silent config");
|
|
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"rfkill", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
|
|
ath_sysctl_rfkill, "I", "enable/disable RF kill switch");
|
|
}
|
|
|
|
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"txagg", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
|
|
ath_sysctl_txagg, "I", "");
|
|
|
|
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"forcebstuck", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
|
|
ath_sysctl_forcebstuck, "I", "");
|
|
|
|
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"hangcheck", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
|
|
ath_sysctl_hangcheck, "I", "");
|
|
|
|
if (ath_hal_hasintmit(ah)) {
|
|
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"intmit", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
|
|
ath_sysctl_intmit, "I", "interference mitigation");
|
|
}
|
|
sc->sc_monpass = HAL_RXERR_DECRYPT | HAL_RXERR_MIC;
|
|
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"monpass", CTLFLAG_RW, &sc->sc_monpass, 0,
|
|
"mask of error frames to pass when monitoring");
|
|
|
|
SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"hwq_limit_nonaggr", CTLFLAG_RW, &sc->sc_hwq_limit_nonaggr, 0,
|
|
"Hardware non-AMPDU queue depth before software-queuing TX frames");
|
|
SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"hwq_limit_aggr", CTLFLAG_RW, &sc->sc_hwq_limit_aggr, 0,
|
|
"Hardware AMPDU queue depth before software-queuing TX frames");
|
|
SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"tid_hwq_lo", CTLFLAG_RW, &sc->sc_tid_hwq_lo, 0,
|
|
"");
|
|
SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"tid_hwq_hi", CTLFLAG_RW, &sc->sc_tid_hwq_hi, 0,
|
|
"");
|
|
|
|
/* Aggregate length twiddles */
|
|
SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"aggr_limit", CTLFLAG_RW, &sc->sc_aggr_limit, 0,
|
|
"Maximum A-MPDU size, or 0 for 'default'");
|
|
SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"rts_aggr_limit", CTLFLAG_RW, &sc->sc_rts_aggr_limit, 0,
|
|
"Maximum A-MPDU size for RTS-protected frames, or '0' "
|
|
"for default");
|
|
SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"delim_min_pad", CTLFLAG_RW, &sc->sc_delim_min_pad, 0,
|
|
"Enforce a minimum number of delimiters per A-MPDU "
|
|
" sub-frame");
|
|
|
|
SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"txq_data_minfree", CTLFLAG_RW, &sc->sc_txq_data_minfree,
|
|
0, "Minimum free buffers before adding a data frame"
|
|
" to the TX queue");
|
|
SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"txq_mcastq_maxdepth", CTLFLAG_RW,
|
|
&sc->sc_txq_mcastq_maxdepth, 0,
|
|
"Maximum buffer depth for multicast/broadcast frames");
|
|
SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"txq_node_maxdepth", CTLFLAG_RW,
|
|
&sc->sc_txq_node_maxdepth, 0,
|
|
"Maximum buffer depth for a single node");
|
|
|
|
#if 0
|
|
SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"cabq_enable", CTLFLAG_RW,
|
|
&sc->sc_cabq_enable, 0,
|
|
"Whether to transmit on the CABQ or not");
|
|
#endif
|
|
|
|
#ifdef IEEE80211_SUPPORT_TDMA
|
|
if (ath_hal_macversion(ah) > 0x78) {
|
|
sc->sc_tdmadbaprep = 2;
|
|
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"dbaprep", CTLFLAG_RW, &sc->sc_tdmadbaprep, 0,
|
|
"TDMA DBA preparation time");
|
|
sc->sc_tdmaswbaprep = 10;
|
|
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"swbaprep", CTLFLAG_RW, &sc->sc_tdmaswbaprep, 0,
|
|
"TDMA SWBA preparation time");
|
|
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"guardtime", CTLFLAG_RW, &sc->sc_tdmaguard, 0,
|
|
"TDMA slot guard time");
|
|
SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"superframe", CTLFLAG_RD, &sc->sc_tdmabintval, 0,
|
|
"TDMA calculated super frame");
|
|
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"setcca", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
|
|
ath_sysctl_setcca, "I", "enable CCA control");
|
|
}
|
|
#endif
|
|
|
|
#ifdef ATH_DEBUG_ALQ
|
|
ath_sysctl_alq_attach(sc);
|
|
#endif
|
|
}
|
|
|
|
static int
|
|
ath_sysctl_clearstats(SYSCTL_HANDLER_ARGS)
|
|
{
|
|
struct ath_softc *sc = arg1;
|
|
int val = 0;
|
|
int error;
|
|
|
|
error = sysctl_handle_int(oidp, &val, 0, req);
|
|
if (error || !req->newptr)
|
|
return error;
|
|
if (val == 0)
|
|
return 0; /* Not clearing the stats is still valid */
|
|
memset(&sc->sc_stats, 0, sizeof(sc->sc_stats));
|
|
memset(&sc->sc_aggr_stats, 0, sizeof(sc->sc_aggr_stats));
|
|
memset(&sc->sc_intr_stats, 0, sizeof(sc->sc_intr_stats));
|
|
|
|
val = 0;
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
ath_sysctl_stats_attach_rxphyerr(struct ath_softc *sc, struct sysctl_oid_list *parent)
|
|
{
|
|
struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
|
|
struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
|
|
struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
|
|
int i;
|
|
char sn[8];
|
|
|
|
tree = SYSCTL_ADD_NODE(ctx, parent, OID_AUTO, "rx_phy_err", CTLFLAG_RD, NULL, "Per-code RX PHY Errors");
|
|
child = SYSCTL_CHILDREN(tree);
|
|
for (i = 0; i < 64; i++) {
|
|
snprintf(sn, sizeof(sn), "%d", i);
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, sn, CTLFLAG_RD, &sc->sc_stats.ast_rx_phy[i], 0, "");
|
|
}
|
|
}
|
|
|
|
static void
|
|
ath_sysctl_stats_attach_intr(struct ath_softc *sc,
|
|
struct sysctl_oid_list *parent)
|
|
{
|
|
struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
|
|
struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
|
|
struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
|
|
int i;
|
|
char sn[8];
|
|
|
|
tree = SYSCTL_ADD_NODE(ctx, parent, OID_AUTO, "sync_intr",
|
|
CTLFLAG_RD, NULL, "Sync interrupt statistics");
|
|
child = SYSCTL_CHILDREN(tree);
|
|
for (i = 0; i < 32; i++) {
|
|
snprintf(sn, sizeof(sn), "%d", i);
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, sn, CTLFLAG_RD,
|
|
&sc->sc_intr_stats.sync_intr[i], 0, "");
|
|
}
|
|
}
|
|
|
|
void
|
|
ath_sysctl_stats_attach(struct ath_softc *sc)
|
|
{
|
|
struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
|
|
struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
|
|
struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
|
|
|
|
/* Create "clear" node */
|
|
SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
|
|
"clear_stats", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
|
|
ath_sysctl_clearstats, "I", "clear stats");
|
|
|
|
/* Create stats node */
|
|
tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD,
|
|
NULL, "Statistics");
|
|
child = SYSCTL_CHILDREN(tree);
|
|
|
|
/* This was generated from if_athioctl.h */
|
|
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_watchdog", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_watchdog, 0, "device reset by watchdog");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_hardware", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_hardware, 0, "fatal hardware error interrupts");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bmiss", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_bmiss, 0, "beacon miss interrupts");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bmiss_phantom", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_bmiss_phantom, 0, "beacon miss interrupts");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_bstuck", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_bstuck, 0, "beacon stuck interrupts");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rxorn", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rxorn, 0, "rx overrun interrupts");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rxeol", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rxeol, 0, "rx eol interrupts");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_txurn", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_txurn, 0, "tx underrun interrupts");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_mib", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_mib, 0, "mib interrupts");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_intrcoal", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_intrcoal, 0, "interrupts coalesced");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_packets", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_packets, 0, "packet sent on the interface");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_mgmt", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_mgmt, 0, "management frames transmitted");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_discard", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_discard, 0, "frames discarded prior to assoc");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_qstop", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_qstop, 0, "output stopped 'cuz no buffer");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_encap", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_encap, 0, "tx encapsulation failed");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nonode", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_nonode, 0, "tx failed 'cuz no node");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nombuf", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_nombuf, 0, "tx failed 'cuz no mbuf");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nomcl", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_nomcl, 0, "tx failed 'cuz no cluster");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_linear", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_linear, 0, "tx linearized to cluster");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nodata", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_nodata, 0, "tx discarded empty frame");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_busdma", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_busdma, 0, "tx failed for dma resrcs");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_xretries", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_xretries, 0, "tx failed 'cuz too many retries");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_fifoerr", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_fifoerr, 0, "tx failed 'cuz FIFO underrun");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_filtered", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_filtered, 0, "tx failed 'cuz xmit filtered");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_shortretry", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_shortretry, 0, "tx on-chip retries (short)");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_longretry", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_longretry, 0, "tx on-chip retries (long)");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_badrate", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_badrate, 0, "tx failed 'cuz bogus xmit rate");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_noack", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_noack, 0, "tx frames with no ack marked");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_rts", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_rts, 0, "tx frames with rts enabled");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_cts", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_cts, 0, "tx frames with cts enabled");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_shortpre", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_shortpre, 0, "tx frames with short preamble");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_altrate", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_altrate, 0, "tx frames with alternate rate");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_protect", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_protect, 0, "tx frames with protection");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_ctsburst", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_ctsburst, 0, "tx frames with cts and bursting");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_ctsext", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_ctsext, 0, "tx frames with cts extension");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_nombuf", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rx_nombuf, 0, "rx setup failed 'cuz no mbuf");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_busdma", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rx_busdma, 0, "rx setup failed for dma resrcs");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_orn", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rx_orn, 0, "rx failed 'cuz of desc overrun");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_crcerr", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rx_crcerr, 0, "rx failed 'cuz of bad CRC");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_fifoerr", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rx_fifoerr, 0, "rx failed 'cuz of FIFO overrun");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_badcrypt", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rx_badcrypt, 0, "rx failed 'cuz decryption");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_badmic", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rx_badmic, 0, "rx failed 'cuz MIC failure");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_phyerr", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rx_phyerr, 0, "rx failed 'cuz of PHY err");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_tooshort", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rx_tooshort, 0, "rx discarded 'cuz frame too short");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_toobig", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rx_toobig, 0, "rx discarded 'cuz frame too large");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_packets", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rx_packets, 0, "packet recv on the interface");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_mgt", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rx_mgt, 0, "management frames received");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_ctl", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rx_ctl, 0, "rx discarded 'cuz ctl frame");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_xmit", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_be_xmit, 0, "beacons transmitted");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_nombuf", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_be_nombuf, 0, "beacon setup failed 'cuz no mbuf");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_cal", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_per_cal, 0, "periodic calibration calls");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_calfail", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_per_calfail, 0, "periodic calibration failed");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_per_rfgain", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_per_rfgain, 0, "periodic calibration rfgain reset");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_calls", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rate_calls, 0, "rate control checks");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_raise", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rate_raise, 0, "rate control raised xmit rate");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rate_drop", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rate_drop, 0, "rate control dropped xmit rate");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ant_defswitch", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_ant_defswitch, 0, "rx/default antenna switches");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ant_txswitch", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_ant_txswitch, 0, "tx antenna switches");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_cabq_xmit", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_cabq_xmit, 0, "cabq frames transmitted");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_cabq_busy", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_cabq_busy, 0, "cabq found busy");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_raw", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_raw, 0, "tx frames through raw api");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_txok", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_ff_txok, 0, "fast frames tx'd successfully");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_txerr", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_ff_txerr, 0, "fast frames tx'd w/ error");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_rx", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_ff_rx, 0, "fast frames rx'd");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ff_flush", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_ff_flush, 0, "fast frames flushed from staging q");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_qfull", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_qfull, 0, "tx dropped 'cuz of queue limit");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nobuf", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_nobuf, 0, "tx dropped 'cuz no ath buffer");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_update", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tdma_update, 0, "TDMA slot timing updates");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_timers", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tdma_timers, 0, "TDMA slot update set beacon timers");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_tsf", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tdma_tsf, 0, "TDMA slot update set TSF");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tdma_ack", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tdma_ack, 0, "TDMA tx failed 'cuz ACK required");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_raw_fail", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_raw_fail, 0, "raw tx failed 'cuz h/w down");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_nofrag", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_nofrag, 0, "tx dropped 'cuz no ath frag buffer");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_be_missed", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_be_missed, 0, "number of -missed- beacons");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_ani_cal", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_ani_cal, 0, "number of ANI polls");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_agg", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rx_agg, 0, "number of aggregate frames received");
|
|
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_halfgi", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rx_halfgi, 0, "number of frames received with half-GI");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_2040", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rx_2040, 0, "number of HT/40 frames received");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_pre_crc_err", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rx_pre_crc_err, 0, "number of delimeter-CRC errors detected");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_post_crc_err", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rx_post_crc_err, 0, "number of post-delimiter CRC errors detected");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_decrypt_busy_err", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rx_decrypt_busy_err, 0, "number of frames received w/ busy decrypt engine");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_hi_rx_chain", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rx_hi_rx_chain, 0, "");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_htprotect", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_htprotect, 0, "HT tx frames with protection");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_hitqueueend", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rx_hitqueueend, 0, "RX hit queue end");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_timeout", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_timeout, 0, "TX Global Timeout");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_cst", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_cst, 0, "TX Carrier Sense Timeout");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_xtxop", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_xtxop, 0, "TX exceeded TXOP");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_timerexpired", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_timerexpired, 0, "TX exceeded TX_TIMER register");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_desccfgerr", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_desccfgerr, 0, "TX Descriptor Cfg Error");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_swretries", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_swretries, 0, "TX software retry count");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_swretrymax", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_swretrymax, 0, "TX software retry max reached");
|
|
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_data_underrun", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_data_underrun, 0, "");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_delim_underrun", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_delim_underrun, 0, "");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_failall", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_aggr_failall, 0,
|
|
"Number of aggregate TX failures (whole frame)");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_ok", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_aggr_ok, 0,
|
|
"Number of aggregate TX OK completions (subframe)");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_aggr_fail", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_aggr_fail, 0,
|
|
"Number of aggregate TX failures (subframe)");
|
|
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_intr", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rx_intr, 0, "RX interrupts");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_intr", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_intr, 0, "TX interrupts");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_mcastq_overflow",
|
|
CTLFLAG_RD, &sc->sc_stats.ast_tx_mcastq_overflow, 0,
|
|
"Number of multicast frames exceeding maximum mcast queue depth");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_keymiss", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_rx_keymiss, 0, "");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_swfiltered", CTLFLAG_RD,
|
|
&sc->sc_stats.ast_tx_swfiltered, 0, "");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_rx_stbc",
|
|
CTLFLAG_RD, &sc->sc_stats.ast_rx_stbc, 0,
|
|
"Number of STBC frames received");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_stbc",
|
|
CTLFLAG_RD, &sc->sc_stats.ast_tx_stbc, 0,
|
|
"Number of STBC frames transmitted");
|
|
SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "ast_tx_ldpc",
|
|
CTLFLAG_RD, &sc->sc_stats.ast_tx_ldpc, 0,
|
|
"Number of LDPC frames transmitted");
|
|
|
|
/* Attach the RX phy error array */
|
|
ath_sysctl_stats_attach_rxphyerr(sc, child);
|
|
|
|
/* Attach the interrupt statistics array */
|
|
ath_sysctl_stats_attach_intr(sc, child);
|
|
}
|
|
|
|
/*
|
|
* This doesn't necessarily belong here (because it's HAL related, not
|
|
* driver related).
|
|
*/
|
|
void
|
|
ath_sysctl_hal_attach(struct ath_softc *sc)
|
|
{
|
|
struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
|
|
struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
|
|
struct sysctl_oid_list *child = SYSCTL_CHILDREN(tree);
|
|
|
|
tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "hal", CTLFLAG_RD,
|
|
NULL, "Atheros HAL parameters");
|
|
child = SYSCTL_CHILDREN(tree);
|
|
|
|
sc->sc_ah->ah_config.ah_debug = 0;
|
|
SYSCTL_ADD_INT(ctx, child, OID_AUTO, "debug", CTLFLAG_RW,
|
|
&sc->sc_ah->ah_config.ah_debug, 0, "Atheros HAL debugging printfs");
|
|
|
|
sc->sc_ah->ah_config.ah_ar5416_biasadj = 0;
|
|
SYSCTL_ADD_INT(ctx, child, OID_AUTO, "ar5416_biasadj", CTLFLAG_RW,
|
|
&sc->sc_ah->ah_config.ah_ar5416_biasadj, 0,
|
|
"Enable 2GHz AR5416 direction sensitivity bias adjust");
|
|
|
|
sc->sc_ah->ah_config.ah_dma_beacon_response_time = 2;
|
|
SYSCTL_ADD_INT(ctx, child, OID_AUTO, "dma_brt", CTLFLAG_RW,
|
|
&sc->sc_ah->ah_config.ah_dma_beacon_response_time, 0,
|
|
"Atheros HAL DMA beacon response time");
|
|
|
|
sc->sc_ah->ah_config.ah_sw_beacon_response_time = 10;
|
|
SYSCTL_ADD_INT(ctx, child, OID_AUTO, "sw_brt", CTLFLAG_RW,
|
|
&sc->sc_ah->ah_config.ah_sw_beacon_response_time, 0,
|
|
"Atheros HAL software beacon response time");
|
|
|
|
sc->sc_ah->ah_config.ah_additional_swba_backoff = 0;
|
|
SYSCTL_ADD_INT(ctx, child, OID_AUTO, "swba_backoff", CTLFLAG_RW,
|
|
&sc->sc_ah->ah_config.ah_additional_swba_backoff, 0,
|
|
"Atheros HAL additional SWBA backoff time");
|
|
|
|
sc->sc_ah->ah_config.ah_force_full_reset = 0;
|
|
SYSCTL_ADD_INT(ctx, child, OID_AUTO, "force_full_reset", CTLFLAG_RW,
|
|
&sc->sc_ah->ah_config.ah_force_full_reset, 0,
|
|
"Force full chip reset rather than a warm reset");
|
|
|
|
/*
|
|
* This is initialised by the driver.
|
|
*/
|
|
SYSCTL_ADD_INT(ctx, child, OID_AUTO, "serialise_reg_war", CTLFLAG_RW,
|
|
&sc->sc_ah->ah_config.ah_serialise_reg_war, 0,
|
|
"Force register access serialisation");
|
|
}
|