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Enable the basic node-based rate control statistics via an ioctl().

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This commit is contained in:
Adrian Chadd 2012-07-20 01:36:46 +00:00
parent 2d20d6559d
commit b8f2a85349
1 changed files with 40 additions and 0 deletions
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40
sys/dev/ath/if_ath.c
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@ -4925,6 +4925,43 @@ ath_watchdog(void *arg)
callout_schedule(&sc->sc_wd_ch, hz);
}
/*
* 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_ifp->if_l2com;
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
@ -5073,6 +5110,9 @@ ath_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
error = ath_ioctl_phyerr(sc,(struct ath_diag*) ifr);
break;
#endif
case SIOCGATHNODERATESTATS:
error = ath_ioctl_ratestats(sc, (struct ath_rateioctl *) ifr);
break;
case SIOCGIFADDR:
error = ether_ioctl(ifp, cmd, data);
break;