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mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2024-11-30 22:49:43 +02:00
openwrt-xburst/package/madwifi/patches/420-diversity_fix.patch
nbd d7b870eaa3 madwifi: fix several noderef and ibss merge issues that led to memory leaks and high system load
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17545 3c298f89-4303-0410-b956-a3cf2f4a3e73
2009-09-09 00:17:13 +00:00

87 lines
2.9 KiB
Diff

--- a/ath/if_ath.c
+++ b/ath/if_ath.c
@@ -797,7 +797,6 @@ ath_attach(u_int16_t devid, struct net_d
break;
}
- sc->sc_setdefantenna = ath_setdefantenna;
sc->sc_rc = ieee80211_rate_attach(sc, ratectl);
if (sc->sc_rc == NULL) {
error = EIO;
@@ -2624,9 +2623,6 @@ ath_init(struct net_device *dev)
ath_radar_update(sc);
ath_rp_flush(sc);
- /* Set the default RX antenna; it may get lost on reset. */
- ath_setdefantenna(sc, sc->sc_defant);
-
/*
* Setup the hardware after reset: the key cache
* is filled as needed and the receive engine is
@@ -3019,7 +3015,6 @@ ath_reset(struct net_device *dev)
ath_setintmit(sc);
ath_update_txpow(sc); /* update tx power state */
ath_radar_update(sc);
- ath_setdefantenna(sc, sc->sc_defant);
if (ath_startrecv(sc) != 0) /* restart recv */
EPRINTF(sc, "Unable to start receive logic.\n");
if (sc->sc_softled)
@@ -5353,27 +5348,6 @@ ath_beacon_send(struct ath_softc *sc, in
} else if ((sc->sc_updateslot == COMMIT) && (sc->sc_slotupdate == slot))
ath_setslottime(sc); /* commit change to hardware */
- if ((!sc->sc_stagbeacons || slot == 0) && (!sc->sc_diversity)) {
- unsigned int otherant;
- /*
- * Check recent per-antenna transmit statistics and flip
- * the default rx antenna if noticeably more frames went out
- * on the non-default antenna. Only do this if rx diversity
- * is off.
- * XXX assumes 2 antennae
- */
- otherant = sc->sc_defant & 1 ? 2 : 1;
- if (sc->sc_ant_tx[otherant] > sc->sc_ant_tx[sc->sc_defant] +
- ATH_ANTENNA_DIFF) {
- DPRINTF(sc, ATH_DEBUG_BEACON,
- "Flip default antenna to %u, %u > %u\n",
- otherant, sc->sc_ant_tx[otherant],
- sc->sc_ant_tx[sc->sc_defant]);
- ath_setdefantenna(sc, otherant);
- }
- sc->sc_ant_tx[1] = sc->sc_ant_tx[2] = 0;
- }
-
if (bfaddr != 0) {
/*
* Stop any current DMA and put the new frame(s) on the queue.
@@ -6734,9 +6708,8 @@ ath_setdefantenna(struct ath_softc *sc,
{
struct ath_hal *ah = sc->sc_ah;
- /* XXX block beacon interrupts */
- ath_hal_setdiversity(ah, (sc->sc_diversity != 0));
ath_hal_setdefantenna(ah, antenna);
+ ath_hal_setantennaswitch(ah, sc->sc_diversity ? 0 : antenna);
if (sc->sc_defant != antenna)
sc->sc_stats.ast_ant_defswitch++;
sc->sc_defant = antenna;
@@ -11160,7 +11133,7 @@ ATH_SYSCTL_DECL(ath_sysctl_halparam, ctl
break;
}
sc->sc_diversity = val;
- ath_hal_setdiversity(ah, val);
+ ath_setdefantenna(sc, sc->sc_defant);
break;
case ATH_TXINTRPERIOD:
/* XXX: validate? */
--- a/ath/if_athvar.h
+++ b/ath/if_athvar.h
@@ -640,7 +640,6 @@ struct ath_softc {
spinlock_t sc_hal_lock; /* hardware access lock */
struct ath_ratectrl *sc_rc; /* tx rate control support */
struct ath_tx99 *sc_tx99; /* tx99 support */
- void (*sc_setdefantenna)(struct ath_softc *, u_int);
const struct ath_hw_detect *sc_hwinfo;
unsigned int sc_invalid:1; /* being detached */