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@@ -0,0 +1,65 @@
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+--- a/ath/if_ath.c
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++++ b/ath/if_ath.c
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+@@ -6723,10 +6723,10 @@ ath_rx_poll(struct net_device *dev, int
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+ #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
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+ struct ath_softc *sc = container_of(napi, struct ath_softc, sc_napi);
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+ struct net_device *dev = sc->sc_dev;
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+- u_int rx_limit = budget;
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++ int rx_limit = budget;
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+ #else
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+ struct ath_softc *sc = dev->priv;
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+- u_int rx_limit = min(dev->quota, *budget);
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++ int rx_limit = min(dev->quota, *budget);
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+ #endif
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+ struct ath_buf *bf;
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+ struct ieee80211com *ic = &sc->sc_ic;
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+@@ -6769,13 +6769,15 @@ process_rx_again:
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+ break;
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+ }
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+
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+- if (rx_limit-- < 2) {
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++ processed += ic->ic_recv;
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++ rx_limit -= ic->ic_recv;
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++ ic->ic_recv = 0;
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++
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++ /* keep a reserve for napi */
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++ if (rx_limit < 4) {
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+ early_stop = 1;
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+ break;
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+ }
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+-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
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+- processed++;
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+-#endif
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+
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+ skb = bf->bf_skb;
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+ if (skb == NULL) {
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+@@ -7059,8 +7061,8 @@ rx_next:
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+ if (sc->sc_isr & HAL_INT_RX) {
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+ u_int64_t hw_tsf = ath_hal_gettsf64(ah);
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+ sc->sc_isr &= ~HAL_INT_RX;
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+- local_irq_restore(flags);
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+ ath_uapsd_processtriggers(sc, hw_tsf);
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++ local_irq_restore(flags);
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+ goto process_rx_again;
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+ }
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+ local_irq_restore(flags);
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+--- a/net80211/ieee80211_input.c
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++++ b/net80211/ieee80211_input.c
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+@@ -1203,6 +1203,7 @@ ieee80211_deliver_data(struct ieee80211_
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+ }
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+ }
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+
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++ vap->iv_ic->ic_recv++;
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+ if (skb != NULL) {
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+ skb->dev = dev;
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+
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+--- a/net80211/ieee80211_var.h
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++++ b/net80211/ieee80211_var.h
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+@@ -323,6 +323,7 @@ struct ieee80211com {
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+ struct ifmedia ic_media; /* interface media config */
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+ u_int8_t ic_myaddr[IEEE80211_ADDR_LEN];
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+ struct timer_list ic_inact; /* mgmt/inactivity timer */
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++ u_int ic_recv; /* frame received counter */
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+
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+ unsigned int ic_subifs;
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+ u_int32_t ic_flags; /* state flags */
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Felix Fietkau