310 lines
8.2 KiB
C
310 lines
8.2 KiB
C
/*-
|
|
* Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer,
|
|
* without modification.
|
|
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
|
|
* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
|
|
* redistribution must be conditioned upon including a substantially
|
|
* similar Disclaimer requirement for further binary redistribution.
|
|
*
|
|
* NO WARRANTY
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
|
|
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
|
|
* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
|
|
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
|
|
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
|
|
* THE POSSIBILITY OF SUCH DAMAGES.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
/*
|
|
* Driver for the Atheros Wireless LAN controller.
|
|
*
|
|
* This software is derived from work of Atsushi Onoe; his contribution
|
|
* is greatly appreciated.
|
|
*/
|
|
|
|
#include "opt_inet.h"
|
|
#include "opt_ath.h"
|
|
/*
|
|
* This is needed for register operations which are performed
|
|
* by the driver - eg, calls to ath_hal_gettsf32().
|
|
*
|
|
* It's also required for any AH_DEBUG checks in here, eg the
|
|
* module dependencies.
|
|
*/
|
|
#include "opt_ah.h"
|
|
#include "opt_wlan.h"
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/sysctl.h>
|
|
#include <sys/mbuf.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/lock.h>
|
|
#include <sys/mutex.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/sockio.h>
|
|
#include <sys/errno.h>
|
|
#include <sys/callout.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/endian.h>
|
|
#include <sys/kthread.h>
|
|
#include <sys/taskqueue.h>
|
|
#include <sys/priv.h>
|
|
#include <sys/module.h>
|
|
#include <sys/ktr.h>
|
|
#include <sys/smp.h> /* for mp_ncpus */
|
|
|
|
#include <machine/bus.h>
|
|
|
|
#include <net/if.h>
|
|
#include <net/if_var.h>
|
|
#include <net/if_dl.h>
|
|
#include <net/if_media.h>
|
|
#include <net/if_types.h>
|
|
#include <net/if_arp.h>
|
|
#include <net/ethernet.h>
|
|
#include <net/if_llc.h>
|
|
|
|
#include <net80211/ieee80211_var.h>
|
|
#include <net80211/ieee80211_regdomain.h>
|
|
#ifdef IEEE80211_SUPPORT_SUPERG
|
|
#include <net80211/ieee80211_superg.h>
|
|
#endif
|
|
#ifdef IEEE80211_SUPPORT_TDMA
|
|
#include <net80211/ieee80211_tdma.h>
|
|
#endif
|
|
|
|
#include <net/bpf.h>
|
|
|
|
#ifdef INET
|
|
#include <netinet/in.h>
|
|
#include <netinet/if_ether.h>
|
|
#endif
|
|
|
|
#include <dev/ath/if_athvar.h>
|
|
#include <dev/ath/ath_hal/ah_devid.h> /* XXX for softled */
|
|
#include <dev/ath/ath_hal/ah_diagcodes.h>
|
|
|
|
#include <dev/ath/if_ath_debug.h>
|
|
#include <dev/ath/if_ath_misc.h>
|
|
#include <dev/ath/if_ath_btcoex.h>
|
|
#include <dev/ath/if_ath_spectral.h>
|
|
#include <dev/ath/if_ath_lna_div.h>
|
|
#include <dev/ath/if_athdfs.h>
|
|
|
|
#ifdef IEEE80211_SUPPORT_TDMA
|
|
#include <dev/ath/if_ath_tdma.h>
|
|
#endif
|
|
|
|
#include <dev/ath/if_ath_ioctl.h>
|
|
|
|
/*
|
|
* ioctl() related pieces.
|
|
*
|
|
* Some subsystems (eg spectral, dfs) have their own ioctl method which
|
|
* we call.
|
|
*/
|
|
|
|
/*
|
|
* Fetch the rate control statistics for the given node.
|
|
*/
|
|
static int
|
|
ath_ioctl_ratestats(struct ath_softc *sc, struct ath_rateioctl *rs)
|
|
{
|
|
struct ath_node *an;
|
|
struct ieee80211com *ic = &sc->sc_ic;
|
|
struct ieee80211_node *ni;
|
|
int error = 0;
|
|
|
|
/* Perform a lookup on the given node */
|
|
ni = ieee80211_find_node(&ic->ic_sta, rs->is_u.macaddr);
|
|
if (ni == NULL) {
|
|
error = EINVAL;
|
|
goto bad;
|
|
}
|
|
|
|
/* Lock the ath_node */
|
|
an = ATH_NODE(ni);
|
|
ATH_NODE_LOCK(an);
|
|
|
|
/* Fetch the rate control stats for this node */
|
|
error = ath_rate_fetch_node_stats(sc, an, rs);
|
|
|
|
/* No matter what happens here, just drop through */
|
|
|
|
/* Unlock the ath_node */
|
|
ATH_NODE_UNLOCK(an);
|
|
|
|
/* Unref the node */
|
|
ieee80211_node_decref(ni);
|
|
|
|
bad:
|
|
return (error);
|
|
}
|
|
|
|
#ifdef ATH_DIAGAPI
|
|
/*
|
|
* Diagnostic interface to the HAL. This is used by various
|
|
* tools to do things like retrieve register contents for
|
|
* debugging. The mechanism is intentionally opaque so that
|
|
* it can change frequently w/o concern for compatibility.
|
|
*/
|
|
static int
|
|
ath_ioctl_diag(struct ath_softc *sc, struct ath_diag *ad)
|
|
{
|
|
struct ath_hal *ah = sc->sc_ah;
|
|
u_int id = ad->ad_id & ATH_DIAG_ID;
|
|
void *indata = NULL;
|
|
void *outdata = NULL;
|
|
u_int32_t insize = ad->ad_in_size;
|
|
u_int32_t outsize = ad->ad_out_size;
|
|
int error = 0;
|
|
|
|
if (ad->ad_id & ATH_DIAG_IN) {
|
|
/*
|
|
* Copy in data.
|
|
*/
|
|
indata = malloc(insize, M_TEMP, M_NOWAIT);
|
|
if (indata == NULL) {
|
|
error = ENOMEM;
|
|
goto bad;
|
|
}
|
|
error = copyin(ad->ad_in_data, indata, insize);
|
|
if (error)
|
|
goto bad;
|
|
}
|
|
if (ad->ad_id & ATH_DIAG_DYN) {
|
|
/*
|
|
* Allocate a buffer for the results (otherwise the HAL
|
|
* returns a pointer to a buffer where we can read the
|
|
* results). Note that we depend on the HAL leaving this
|
|
* pointer for us to use below in reclaiming the buffer;
|
|
* may want to be more defensive.
|
|
*/
|
|
outdata = malloc(outsize, M_TEMP, M_NOWAIT | M_ZERO);
|
|
if (outdata == NULL) {
|
|
error = ENOMEM;
|
|
goto bad;
|
|
}
|
|
}
|
|
|
|
|
|
ATH_LOCK(sc);
|
|
if (id != HAL_DIAG_REGS)
|
|
ath_power_set_power_state(sc, HAL_PM_AWAKE);
|
|
ATH_UNLOCK(sc);
|
|
|
|
if (ath_hal_getdiagstate(ah, id, indata, insize, &outdata, &outsize)) {
|
|
if (outsize < ad->ad_out_size)
|
|
ad->ad_out_size = outsize;
|
|
if (outdata != NULL)
|
|
error = copyout(outdata, ad->ad_out_data,
|
|
ad->ad_out_size);
|
|
} else {
|
|
error = EINVAL;
|
|
}
|
|
|
|
ATH_LOCK(sc);
|
|
if (id != HAL_DIAG_REGS)
|
|
ath_power_restore_power_state(sc);
|
|
ATH_UNLOCK(sc);
|
|
|
|
bad:
|
|
if ((ad->ad_id & ATH_DIAG_IN) && indata != NULL)
|
|
free(indata, M_TEMP);
|
|
if ((ad->ad_id & ATH_DIAG_DYN) && outdata != NULL)
|
|
free(outdata, M_TEMP);
|
|
return error;
|
|
}
|
|
#endif /* ATH_DIAGAPI */
|
|
|
|
int
|
|
ath_ioctl(struct ieee80211com *ic, u_long cmd, void *data)
|
|
{
|
|
struct ifreq *ifr = data;
|
|
struct ath_softc *sc = ic->ic_softc;
|
|
|
|
switch (cmd) {
|
|
case SIOCGATHSTATS: {
|
|
struct ieee80211vap *vap;
|
|
struct ifnet *ifp;
|
|
const HAL_RATE_TABLE *rt;
|
|
|
|
/* NB: embed these numbers to get a consistent view */
|
|
sc->sc_stats.ast_tx_packets = 0;
|
|
sc->sc_stats.ast_rx_packets = 0;
|
|
TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
|
|
ifp = vap->iv_ifp;
|
|
sc->sc_stats.ast_tx_packets += ifp->if_get_counter(ifp,
|
|
IFCOUNTER_OPACKETS);
|
|
sc->sc_stats.ast_rx_packets += ifp->if_get_counter(ifp,
|
|
IFCOUNTER_IPACKETS);
|
|
}
|
|
sc->sc_stats.ast_tx_rssi = ATH_RSSI(sc->sc_halstats.ns_avgtxrssi);
|
|
sc->sc_stats.ast_rx_rssi = ATH_RSSI(sc->sc_halstats.ns_avgrssi);
|
|
#ifdef IEEE80211_SUPPORT_TDMA
|
|
sc->sc_stats.ast_tdma_tsfadjp = TDMA_AVG(sc->sc_avgtsfdeltap);
|
|
sc->sc_stats.ast_tdma_tsfadjm = TDMA_AVG(sc->sc_avgtsfdeltam);
|
|
#endif
|
|
rt = sc->sc_currates;
|
|
sc->sc_stats.ast_tx_rate =
|
|
rt->info[sc->sc_txrix].dot11Rate &~ IEEE80211_RATE_BASIC;
|
|
if (rt->info[sc->sc_txrix].phy & IEEE80211_T_HT)
|
|
sc->sc_stats.ast_tx_rate |= IEEE80211_RATE_MCS;
|
|
return copyout(&sc->sc_stats,
|
|
ifr->ifr_data, sizeof (sc->sc_stats));
|
|
}
|
|
case SIOCGATHAGSTATS:
|
|
return copyout(&sc->sc_aggr_stats,
|
|
ifr->ifr_data, sizeof (sc->sc_aggr_stats));
|
|
case SIOCZATHSTATS: {
|
|
int error;
|
|
|
|
error = priv_check(curthread, PRIV_DRIVER);
|
|
if (error == 0) {
|
|
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));
|
|
}
|
|
return (error);
|
|
}
|
|
#ifdef ATH_DIAGAPI
|
|
case SIOCGATHDIAG:
|
|
return (ath_ioctl_diag(sc, data));
|
|
case SIOCGATHPHYERR:
|
|
return (ath_ioctl_phyerr(sc, data));
|
|
#endif
|
|
case SIOCGATHSPECTRAL:
|
|
return (ath_ioctl_spectral(sc, data));
|
|
case SIOCGATHNODERATESTATS:
|
|
return (ath_ioctl_ratestats(sc, data));
|
|
case SIOCGATHBTCOEX:
|
|
return (ath_btcoex_ioctl(sc, data));
|
|
default:
|
|
/*
|
|
* This signals the net80211 layer that we didn't handle this
|
|
* ioctl.
|
|
*/
|
|
return (ENOTTY);
|
|
}
|
|
}
|
|
|