Index: ath/if_ath.c =================================================================== --- ath/if_ath.c (revision 3925) +++ ath/if_ath.c (working copy) @@ -3002,6 +3002,7 @@ ath_tx_startraw(struct net_device *dev, struct ath_buf *bf, struct sk_buff *skb) { struct ath_softc *sc = netdev_priv(dev); + struct ieee80211com *ic = &sc->sc_ic; struct ath_hal *ah = sc->sc_ah; struct ieee80211_phy_params *ph = &(SKB_CB(skb)->phy); const HAL_RATE_TABLE *rt; @@ -3014,7 +3015,8 @@ struct ieee80211_frame *wh; wh = (struct ieee80211_frame *)skb->data; - try0 = ph->try[0]; +// try0 = ph->try[0]; + try0 = (ic->ic_opmode == IEEE80211_M_MONITOR) ? 1 : ph->try[0]; rt = sc->sc_currates; txrate = dot11_to_ratecode(sc, rt, ph->rate[0]); power = ph->power > 60 ? 60 : ph->power; @@ -3038,7 +3040,8 @@ rt = sc->sc_currates; KASSERT(rt != NULL, ("no rate table, mode %u", sc->sc_curmode)); - if (IEEE80211_IS_MULTICAST(wh->i_addr1)) { + if (IEEE80211_IS_MULTICAST(wh->i_addr1) || ((ic->ic_opmode == +IEEE80211_M_MONITOR) && (skb->data[1]&3) != 0x01) ) { flags |= HAL_TXDESC_NOACK; /* no ack on broad/multicast */ sc->sc_stats.ast_tx_noack++; try0 = 1;