Date: Fri, 20 Jul 2012 01:36:46 +0000 (UTC) From: Adrian Chadd <adrian@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r238634 - head/sys/dev/ath Message-ID: <201207200136.q6K1ak54042626@svn.freebsd.org>
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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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