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@@ -0,0 +1,237 @@
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+Index: madwifi-trunk-r3314/ath/if_ath.c
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+===================================================================
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+--- madwifi-trunk-r3314.orig/ath/if_ath.c 2008-01-31 04:25:11.617671781 +0100
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++++ madwifi-trunk-r3314/ath/if_ath.c 2008-01-31 05:06:04.606254148 +0100
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+@@ -184,7 +184,11 @@
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+ struct sk_buff *, int, int, u_int64_t);
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+ static void ath_setdefantenna(struct ath_softc *, u_int);
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+ static struct ath_txq *ath_txq_setup(struct ath_softc *, int, int);
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++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
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++static int ath_rx_poll(struct napi_struct *napi, int budget);
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++#else
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+ static int ath_rx_poll(struct net_device *dev, int *budget);
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++#endif
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+ static int ath_hardstart(struct sk_buff *, struct net_device *);
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+ static int ath_mgtstart(struct ieee80211com *, struct sk_buff *);
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+ #ifdef ATH_SUPERG_COMP
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+@@ -374,6 +378,9 @@
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+ u_int32_t new_clamped_maxtxpower);
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+ static u_int32_t ath_get_real_maxtxpower(struct ath_softc *sc);
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+
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++static void ath_poll_disable(struct net_device *dev);
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++static void ath_poll_enable(struct net_device *dev);
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++
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+ /* calibrate every 30 secs in steady state but check every second at first. */
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+ static int ath_calinterval = ATH_SHORT_CALINTERVAL;
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+ static int ath_countrycode = CTRY_DEFAULT; /* country code */
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+@@ -818,8 +825,12 @@
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+ dev->set_mac_address = ath_set_mac_address;
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+ dev->change_mtu = ath_change_mtu;
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+ dev->tx_queue_len = ATH_TXBUF - ATH_TXBUF_MGT_RESERVED;
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++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
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++ netif_napi_add(dev, &sc->sc_napi, ath_rx_poll, 64);
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++#else
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+ dev->poll = ath_rx_poll;
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+ dev->weight = 64;
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++#endif
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+ #ifdef USE_HEADERLEN_RESV
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+ dev->hard_header_len += sizeof(struct ieee80211_qosframe) +
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+ sizeof(struct llc) +
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+@@ -2268,12 +2279,21 @@
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+ if (status & (HAL_INT_RX | HAL_INT_RXPHY)) {
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+ ath_uapsd_processtriggers(sc, hw_tsf);
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+ sc->sc_isr &= ~HAL_INT_RX;
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+- if (netif_rx_schedule_prep(dev)) {
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++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
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++ if (netif_rx_schedule_prep(dev, &sc->sc_napi))
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++#else
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++ if (netif_rx_schedule_prep(dev))
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++#endif
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++ {
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+ #ifndef ATH_PRECISE_TSF
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+ sc->sc_imask &= ~HAL_INT_RX;
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+ ath_hal_intrset(ah, sc->sc_imask);
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+ #endif
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++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
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++ __netif_rx_schedule(dev, &sc->sc_napi);
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++#else
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+ __netif_rx_schedule(dev);
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++#endif
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+ }
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+ }
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+ if (status & HAL_INT_TX) {
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+@@ -2557,6 +2577,9 @@
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+ if (sc->sc_tx99 != NULL)
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+ sc->sc_tx99->stop(sc->sc_tx99);
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+ #endif
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++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
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++ ath_poll_disable(dev);
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++#endif
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+ netif_stop_queue(dev); /* XXX re-enabled by ath_newstate */
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+ dev->flags &= ~IFF_RUNNING; /* NB: avoid recursion */
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+ ieee80211_stop_running(ic); /* stop all VAPs */
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+@@ -4015,6 +4038,39 @@
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+ return ath_keyset(sc, k, mac, vap->iv_bss);
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+ }
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+
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++static void ath_poll_disable(struct net_device *dev)
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++{
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++ struct ath_softc *sc = dev->priv;
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++
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++ /*
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++ * XXX Using in_softirq is not right since we might
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++ * be called from other soft irq contexts than
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++ * ath_rx_poll
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++ */
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++ if (!in_softirq()) {
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++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
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++ napi_disable(&sc->sc_napi);
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++#else
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++ netif_poll_disable(dev);
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++#endif
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++ }
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++}
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++
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++static void ath_poll_enable(struct net_device *dev)
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++{
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++ struct ath_softc *sc = dev->priv;
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++
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++ /* NB: see above */
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++ if (!in_softirq()) {
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++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
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++ napi_enable(&sc->sc_napi);
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++#else
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++ netif_poll_enable(dev);
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++#endif
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++ }
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++}
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++
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++
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+ /*
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+ * Block/unblock tx+rx processing while a key change is done.
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+ * We assume the caller serializes key management operations
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+@@ -4032,13 +4088,8 @@
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+ * When called from the rx tasklet we cannot use
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+ * tasklet_disable because it will block waiting
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+ * for us to complete execution.
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+- *
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+- * XXX Using in_softirq is not right since we might
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+- * be called from other soft irq contexts than
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+- * ath_rx_poll
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+ */
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+- if (!in_softirq())
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+- netif_poll_disable(dev);
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++ ath_poll_disable(dev);
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+ netif_stop_queue(dev);
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+ }
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+
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+@@ -4050,8 +4101,7 @@
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+
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+ DPRINTF(sc, ATH_DEBUG_KEYCACHE, "End\n");
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+ netif_wake_queue(dev);
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+- if (!in_softirq()) /* NB: see above */
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+- netif_poll_enable(dev);
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++ ath_poll_enable(dev);
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+ }
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+
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+ /*
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+@@ -6359,24 +6409,34 @@
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+ }
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+
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+ static int
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++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
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++ath_rx_poll(struct napi_struct *napi, int budget)
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++#else
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+ ath_rx_poll(struct net_device *dev, int *budget)
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++#endif
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+ {
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+ #define PA2DESC(_sc, _pa) \
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+ ((struct ath_desc *)((caddr_t)(_sc)->sc_rxdma.dd_desc + \
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+ ((_pa) - (_sc)->sc_rxdma.dd_desc_paddr)))
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+- struct ath_buf *bf;
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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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++#else
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+ struct ath_softc *sc = dev->priv;
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++ u_int rx_limit = dev->quota;
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++#endif
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+ struct ieee80211com *ic = &sc->sc_ic;
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+ struct ath_hal *ah = sc ? sc->sc_ah : NULL;
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+ struct ath_desc *ds;
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+ struct ath_rx_status *rs;
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+ struct sk_buff *skb = NULL;
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+ struct ieee80211_node *ni;
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++ struct ath_buf *bf;
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+ unsigned int len;
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+ int type;
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+ u_int phyerr;
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+ u_int processed = 0, early_stop = 0;
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+- u_int rx_limit = dev->quota;
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+ u_int mic_fail = 0;
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+
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+ DPRINTF(sc, ATH_DEBUG_RX_PROC, "invoked\n");
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+@@ -6405,7 +6465,9 @@
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+ break;
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+ }
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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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+ if (rx_limit-- < 0) {
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+ early_stop = 1;
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+ break;
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+@@ -6675,8 +6737,6 @@
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+ goto process_rx_again;
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+ }
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+ #endif
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+- netif_rx_complete(dev);
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+-
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+ #ifndef ATH_PRECISE_TSF
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+ sc->sc_imask |= HAL_INT_RX;
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+ ath_hal_intrset(ah, sc->sc_imask);
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+@@ -6684,11 +6744,17 @@
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+ #endif
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+ }
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+
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++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
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++ netif_rx_complete(dev, napi);
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++#else
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++ netif_rx_complete(dev);
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+ *budget -= processed;
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++#endif
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+
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+ /* rx signal state monitoring, only necessary/applicable for sta mode */
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+ if (sc->sc_opmode == HAL_M_STA)
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+ ath_hal_rxmonitor(ah, &sc->sc_halstats, &sc->sc_curchan);
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++
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+ return early_stop;
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+ #undef PA2DESC
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+ }
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+@@ -10395,9 +10461,9 @@
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+ dev->mtu = mtu;
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+ if ((dev->flags & IFF_RUNNING) && !sc->sc_invalid) {
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+ /* NB: the rx buffers may need to be reallocated */
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+- netif_poll_disable(dev);
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++ ath_poll_disable(dev);
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+ error = ath_reset(dev);
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+- netif_poll_enable(dev);
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++ ath_poll_enable(dev);
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+ }
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+ ATH_UNLOCK(sc);
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+
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+Index: madwifi-trunk-r3314/ath/if_athvar.h
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+===================================================================
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+--- madwifi-trunk-r3314.orig/ath/if_athvar.h 2008-01-31 04:25:14.001807644 +0100
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++++ madwifi-trunk-r3314/ath/if_athvar.h 2008-01-31 04:32:31.858759693 +0100
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+@@ -620,6 +620,9 @@
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+ struct ath_softc {
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+ struct ieee80211com sc_ic; /* NB: must be first */
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+ struct net_device *sc_dev;
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++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
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++ struct napi_struct sc_napi;
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++#endif
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+ void __iomem *sc_iobase; /* address of the device */
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+ struct semaphore sc_lock; /* dev-level lock */
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+ struct net_device_stats sc_devstats; /* device statistics */
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Felix Fietkau