Author: adrian
Date: Fri Jul 20 01:36:46 2012
New Revision: 238634
URL: http://svn.freebsd.org/changeset/base/238634
Log:
Enable the basic node-based rate control statistics via an ioctl().
Modified:
head/sys/dev/ath/if_ath.c
Modified: head/sys/dev/ath/if_ath.c
==============================================================================
--- head/sys/dev/ath/if_ath.c Fri Jul 20 01:36:02 2012 (r238633)
+++ head/sys/dev/ath/if_ath.c Fri Jul 20 01:36:46 2012 (r238634)
@@ -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,
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;
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