X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/24e0d8a9bb19628bb31187cdb7cc176934e03d28..944f5a8ff2cb63ac665c82b5df92f313376162ae:/package/madwifi/patches/300-napi_polling.patch?ds=sidebyside

diff --git a/package/madwifi/patches/300-napi_polling.patch b/package/madwifi/patches/300-napi_polling.patch
index 6572112b6..bc62d7b4a 100644
--- a/package/madwifi/patches/300-napi_polling.patch
+++ b/package/madwifi/patches/300-napi_polling.patch
@@ -1,57 +1,83 @@
-diff -urN madwifi-ng-refcount-r2313-20070505.old/ath/if_ath.c madwifi-ng-refcount-r2313-20070505.dev/ath/if_ath.c
---- madwifi-ng-refcount-r2313-20070505.old/ath/if_ath.c	2007-05-13 18:17:56.576968032 +0200
-+++ madwifi-ng-refcount-r2313-20070505.dev/ath/if_ath.c	2007-05-13 18:17:56.594965296 +0200
-@@ -170,7 +170,7 @@
- 	int, u_int32_t);
+--- a/ath/if_ath.c
++++ b/ath/if_ath.c
+@@ -184,7 +184,11 @@ static void ath_recv_mgmt(struct ieee802
+ 	struct sk_buff *, int, int, u_int64_t);
  static void ath_setdefantenna(struct ath_softc *, u_int);
  static struct ath_txq *ath_txq_setup(struct ath_softc *, int, int);
 -static void ath_rx_tasklet(TQUEUE_ARG);
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
++static int ath_rx_poll(struct napi_struct *napi, int budget);
++#else
 +static int ath_rx_poll(struct net_device *dev, int *budget);
++#endif
  static int ath_hardstart(struct sk_buff *, struct net_device *);
  static int ath_mgtstart(struct ieee80211com *, struct sk_buff *);
  #ifdef ATH_SUPERG_COMP
-@@ -420,7 +420,6 @@
- 	ATH_TXBUF_LOCK_INIT(sc);
- 	ATH_RXBUF_LOCK_INIT(sc);
+@@ -376,6 +380,9 @@ static u_int32_t ath_set_clamped_maxtxpo
+ 		u_int32_t new_clamped_maxtxpower);
+ static u_int32_t ath_get_real_maxtxpower(struct ath_softc *sc);
+ 
++static void ath_poll_disable(struct net_device *dev);
++static void ath_poll_enable(struct net_device *dev);
++
+ /* calibrate every 30 secs in steady state but check every second at first. */
+ static int ath_calinterval = ATH_SHORT_CALINTERVAL;
+ static int ath_countrycode = CTRY_DEFAULT;	/* country code */
+@@ -547,7 +554,6 @@ ath_attach(u_int16_t devid, struct net_d
+ 
+ 	atomic_set(&sc->sc_txbuf_counter, 0);
  
 -	ATH_INIT_TQUEUE(&sc->sc_rxtq,     ath_rx_tasklet,	dev);
  	ATH_INIT_TQUEUE(&sc->sc_txtq,	  ath_tx_tasklet,	dev);
  	ATH_INIT_TQUEUE(&sc->sc_bmisstq,  ath_bmiss_tasklet,	dev);
  	ATH_INIT_TQUEUE(&sc->sc_bstucktq, ath_bstuck_tasklet,	dev);
-@@ -674,6 +673,8 @@
+@@ -821,6 +827,12 @@ ath_attach(u_int16_t devid, struct net_d
  	dev->set_mac_address = ath_set_mac_address;
-  	dev->change_mtu = ath_change_mtu;
- 	dev->tx_queue_len = ATH_TXBUF - 1;		/* 1 for mgmt frame */
+ 	dev->change_mtu = ath_change_mtu;
+ 	dev->tx_queue_len = ATH_TXBUF - ATH_TXBUF_MGT_RESERVED;
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
++	netif_napi_add(dev, &sc->sc_napi, ath_rx_poll, 64);
++#else
 +	dev->poll = ath_rx_poll;
 +	dev->weight = 64;
++#endif
  #ifdef USE_HEADERLEN_RESV
  	dev->hard_header_len += sizeof(struct ieee80211_qosframe) +
  				sizeof(struct llc) +
-@@ -1645,6 +1646,7 @@
- 	 */
- 	ath_hal_getisr(ah, &status);		/* NB: clears ISR too */
- 	DPRINTF(sc, ATH_DEBUG_INTR, "%s: status 0x%x\n", __func__, status);
+@@ -2220,6 +2232,7 @@ ath_intr(int irq, void *dev_id, struct p
+ 		(status & HAL_INT_GLOBAL)	? " HAL_INT_GLOBAL"	: ""
+ 		);
+ 
 +	sc->sc_isr = status;
  	status &= sc->sc_imask;			/* discard unasked for bits */
- 	if (status & HAL_INT_FATAL) {
- 		sc->sc_stats.ast_hardware++;
-@@ -1684,7 +1686,12 @@
- 			 * might take too long to fire */
- 			ath_hal_process_noisefloor(ah);
- 			sc->sc_channoise = ath_hal_get_channel_noise(ah, &(sc->sc_curchan));
+ 	/* As soon as we know we have a real interrupt we intend to service, 
+ 	 * we will check to see if we need an initial hardware TSF reading. 
+@@ -2277,7 +2290,21 @@ ath_intr(int irq, void *dev_id, struct p
+ 		}
+ 		if (status & (HAL_INT_RX | HAL_INT_RXPHY)) {
+ 			ath_uapsd_processtriggers(sc, hw_tsf);
 -			ATH_SCHEDULE_TQUEUE(&sc->sc_rxtq, &needmark);
 +			sc->sc_isr &= ~HAL_INT_RX;
-+			if (netif_rx_schedule_prep(dev)) {
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
++			if (netif_rx_schedule_prep(dev, &sc->sc_napi))
++#else
++			if (netif_rx_schedule_prep(dev))
++#endif
++			{
 +				sc->sc_imask &= ~HAL_INT_RX;
 +				ath_hal_intrset(ah, sc->sc_imask);
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
++				__netif_rx_schedule(dev, &sc->sc_napi);
++#else
 +				__netif_rx_schedule(dev);
++#endif
 +			}
  		}
  		if (status & HAL_INT_TX) {
  #ifdef ATH_SUPERG_DYNTURBO
-@@ -1710,6 +1717,11 @@
+@@ -2303,6 +2330,11 @@ ath_intr(int irq, void *dev_id, struct p
  				}
- 			} 
+ 			}
  #endif
 +			/* disable transmit interrupt */
 +			sc->sc_isr &= ~HAL_INT_TX;
@@ -59,451 +85,214 @@ diff -urN madwifi-ng-refcount-r2313-20070505.old/ath/if_ath.c madwifi-ng-refcoun
 +			sc->sc_imask &= ~HAL_INT_TX;
 +
  			ATH_SCHEDULE_TQUEUE(&sc->sc_txtq, &needmark);
- 			sc->sc_tx_start = 0;
  		}
-@@ -2221,12 +2233,13 @@
- 	 * Insert the frame on the outbound list and
- 	 * pass it on to the hardware.
- 	 */
--	ATH_TXQ_LOCK(txq);
-+	ATH_TXQ_LOCK_BH(txq);
- 	if (ni && ni->ni_vap && txq == &ATH_VAP(ni->ni_vap)->av_mcastq) {
- 		/*
- 		 * The CAB queue is started from the SWBA handler since
- 		 * frames only go out on DTIM and to avoid possible races.
- 		 */
-+		sc->sc_imask &= ~HAL_INT_SWBA;
- 		ath_hal_intrset(ah, sc->sc_imask & ~HAL_INT_SWBA);
- 		ATH_TXQ_INSERT_TAIL(txq, bf, bf_list);
- 		DPRINTF(sc, ATH_DEBUG_TX_PROC, "%s: txq depth = %d\n", __func__, txq->axq_depth);
-@@ -2242,6 +2255,7 @@
- 				ito64(bf->bf_daddr), bf->bf_desc);
- 		}
- 		txq->axq_link = &lastds->ds_link;
-+		sc->sc_imask |= HAL_INT_SWBA;
- 		ath_hal_intrset(ah, sc->sc_imask);
- 	} else {
- 		ATH_TXQ_INSERT_TAIL(txq, bf, bf_list);
-@@ -2275,7 +2289,7 @@
- 			sc->sc_tx_start = jiffies;
- 		}
- 	}
--	ATH_TXQ_UNLOCK(txq);
-+	ATH_TXQ_UNLOCK_BH(txq);
+ 		if (status & HAL_INT_BMISS) {
+@@ -2515,6 +2547,7 @@ ath_init(struct net_device *dev)
+ 	if (sc->sc_tx99 != NULL)
+ 		sc->sc_tx99->start(sc->sc_tx99);
+ #endif
++	ath_poll_enable(dev);
  
- 	sc->sc_devstats.tx_packets++;
- 	sc->sc_devstats.tx_bytes += framelen;
-@@ -2426,8 +2440,14 @@
- 	unsigned int pktlen;
- 	int framecnt;
+ done:
+ 	ATH_UNLOCK(sc);
+@@ -2555,6 +2588,9 @@ ath_stop_locked(struct net_device *dev)
+ 		if (sc->sc_tx99 != NULL)
+ 			sc->sc_tx99->stop(sc->sc_tx99);
+ #endif
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
++		ath_poll_disable(dev);
++#endif
+ 		netif_stop_queue(dev);	/* XXX re-enabled by ath_newstate */
+ 		dev->flags &= ~IFF_RUNNING;	/* NB: avoid recursion */
+ 		ieee80211_stop_running(ic);	/* stop all VAPs */
+@@ -4013,12 +4049,47 @@ ath_key_set(struct ieee80211vap *vap, co
+ 	return ath_keyset(sc, k, mac, vap->iv_bss);
+ }
  
++static void ath_poll_disable(struct net_device *dev)
++{
++	struct ath_softc *sc = dev->priv;
++
 +	/*
-+	 * NB: using _BH style locking even though this function may be called
-+	 *     at interrupt time (within tasklet or bh). This should be harmless
-+	 *     and this function calls others (i.e., ath_tx_start()) which do
-+	 *     the same.
++	 * XXX Using in_softirq is not right since we might
++	 * be called from other soft irq contexts than
++	 * ath_rx_poll
 +	 */
- 	for (;;) {
--		ATH_TXQ_LOCK(txq);
-+		ATH_TXQ_LOCK_BH(txq);
- 
- 		bf_ff = TAILQ_LAST(&txq->axq_stageq, axq_headtype);
- 		if ((!bf_ff) || ath_ff_flushdonetest(txq, bf_ff)) {
-@@ -2441,7 +2461,7 @@
- 		ATH_NODE(ni)->an_tx_ffbuf[bf_ff->bf_skb->priority] = NULL;
- 		TAILQ_REMOVE(&txq->axq_stageq, bf_ff, bf_stagelist);
- 
--		ATH_TXQ_UNLOCK(txq);
-+		ATH_TXQ_UNLOCK_BH(txq);
- 
- 		/* encap and xmit */
- 		bf_ff->bf_skb = ieee80211_encap(ni, bf_ff->bf_skb, &framecnt);
-@@ -2462,15 +2482,16 @@
- 		}
- 		bf_ff->bf_node = NULL;
- 
--		ATH_TXBUF_LOCK_IRQ(sc);
-+		ATH_TXBUF_LOCK_BH(sc);
- 		STAILQ_INSERT_TAIL(&sc->sc_txbuf, bf_ff, bf_list);
--		ATH_TXBUF_UNLOCK_IRQ(sc);
-+		ATH_TXBUF_UNLOCK_BH(sc);
- 	}
-+	ATH_TXQ_UNLOCK_BH(txq);
- }
- #endif
- 
- #define ATH_HARDSTART_GET_TX_BUF_WITH_LOCK				\
--	ATH_TXBUF_LOCK_IRQ(sc);						\
-+	ATH_TXBUF_LOCK_BH(sc);						\
- 	bf = STAILQ_FIRST(&sc->sc_txbuf);				\
- 	if (bf != NULL) {						\
- 		STAILQ_REMOVE_HEAD(&sc->sc_txbuf, bf_list);		\
-@@ -2485,10 +2506,21 @@
- 		sc->sc_devstopped = 1;					\
- 		ATH_SCHEDULE_TQUEUE(&sc->sc_txtq, NULL); 		\
- 	}								\
--	ATH_TXBUF_UNLOCK_IRQ(sc);					\
++	if (!in_softirq()) {
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
++		napi_disable(&sc->sc_napi);
++#else
++		netif_poll_disable(dev);
++#endif
++	}
++}
++
++static void ath_poll_enable(struct net_device *dev)
++{
++	struct ath_softc *sc = dev->priv;
 +
-+#define ATH_HARDSTART_REL_TX_BUF_WITH_TXQLOCK_OFF			\
-+	ATH_TXBUF_UNLOCK_BH(sc);					\
-+	if (bf == NULL) {		/* NB: should not happen */	\
-+	    DPRINTF(sc,ATH_DEBUG_XMIT,"%s: discard, no xmit buf\n", __func__);										\
-+	    sc->sc_stats.ast_tx_nobuf++;				\
-+	    goto hardstart_fail;					\
++	/* NB: see above */
++	if (!in_softirq()) {
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
++		napi_enable(&sc->sc_napi);
++#else
++		netif_poll_enable(dev);
++#endif
 +	}
++}
++
 +
-+#define ATH_HARDSTART_REL_TX_BUF_WITH_TXQLOCK_ON			\
-+	ATH_TXBUF_UNLOCK_BH(sc);					\
- 	if (bf == NULL) {		/* NB: should not happen */	\
- 		DPRINTF(sc,ATH_DEBUG_XMIT,				\
- 			"%s: discard, no xmit buf\n", __func__);	\
-+	    ATH_TXQ_UNLOCK_BH(txq);					\
- 		sc->sc_stats.ast_tx_nobuf++;				\
- 		goto hardstart_fail;					\
- 	}
-@@ -2490,6 +2490,7 @@
- 		DPRINTF(sc,ATH_DEBUG_XMIT,				\
- 			"%s: discard, no xmit buf\n", __func__);	\
- 		sc->sc_stats.ast_tx_nobuf++;				\
-+		goto hardstart_fail;					\
- 	}
- 
  /*
-@@ -2552,6 +2584,7 @@
- 	if (M_FLAG_GET(skb, M_UAPSD)) {
- 		/* bypass FF handling */
- 		ATH_HARDSTART_GET_TX_BUF_WITH_LOCK;
-+		ATH_HARDSTART_REL_TX_BUF_WITH_TXQLOCK_OFF;
- 		if (bf == NULL)
- 			goto hardstart_fail;
- 		goto ff_bypass;
-@@ -2573,7 +2606,7 @@
- 	/* NB: use this lock to protect an->an_ff_txbuf in athff_can_aggregate()
- 	 *     call too.
- 	 */
--	ATH_TXQ_LOCK(txq);
-+	ATH_TXQ_LOCK_BH(txq);
- 	if (athff_can_aggregate(sc, eh, an, skb, vap->iv_fragthreshold, &ff_flush)) {
- 
- 		if (an->an_tx_ffbuf[skb->priority]) { /* i.e., frame on the staging queue */
-@@ -2583,7 +2616,7 @@
- 			TAILQ_REMOVE(&txq->axq_stageq, bf, bf_stagelist);
- 			an->an_tx_ffbuf[skb->priority] = NULL;
- 
--			ATH_TXQ_UNLOCK(txq);
-+			ATH_TXQ_UNLOCK_BH(txq);
- 
- 			/*
- 			 * chain skbs and add FF magic
-@@ -2610,6 +2643,7 @@
- 			 *     to give the buffer back.
- 			 */
- 			ATH_HARDSTART_GET_TX_BUF_WITH_LOCK;
-+			ATH_HARDSTART_REL_TX_BUF_WITH_TXQLOCK_ON;
- 			if (bf == NULL) {
- 				ATH_TXQ_UNLOCK(txq);
- 				goto hardstart_fail;
-@@ -2624,7 +2658,7 @@
- 
- 			TAILQ_INSERT_HEAD(&txq->axq_stageq, bf, bf_stagelist);
- 
--			ATH_TXQ_UNLOCK(txq);
-+			ATH_TXQ_UNLOCK_BH(txq);
- 
- 			return 0;
- 		}
-@@ -2635,7 +2669,7 @@
- 			TAILQ_REMOVE(&txq->axq_stageq, bf_ff, bf_stagelist);
- 			an->an_tx_ffbuf[skb->priority] = NULL;
- 
--			ATH_TXQ_UNLOCK(txq);
-+			ATH_TXQ_UNLOCK_BH(txq);
- 
- 			/* encap and xmit */
- 			bf_ff->bf_skb = ieee80211_encap(ni, bf_ff->bf_skb, &framecnt);
-@@ -2665,9 +2699,9 @@
- 			}
- 			bf_ff->bf_node = NULL;
- 
--			ATH_TXBUF_LOCK(sc);
-+			ATH_TXBUF_LOCK_BH(sc);
- 			STAILQ_INSERT_TAIL(&sc->sc_txbuf, bf_ff, bf_list);
--			ATH_TXBUF_UNLOCK(sc);
-+			ATH_TXBUF_UNLOCK_BH(sc);
- 			goto ff_flushdone;
- 		}
- 		/*
-@@ -2676,14 +2677,13 @@
- 		else if (an->an_tx_ffbuf[skb->priority]) {
- 			DPRINTF(sc, ATH_DEBUG_XMIT | ATH_DEBUG_FF,
- 				"%s: Out-Of-Order fast-frame\n", __func__);
--			ATH_TXQ_UNLOCK(txq);
-+			ATH_TXQ_UNLOCK_BH(txq);
- 		} else
--			ATH_TXQ_UNLOCK(txq);
-+			ATH_TXQ_UNLOCK_BH(txq);
- 
- 	ff_flushdone:
- 		ATH_HARDSTART_GET_TX_BUF_WITH_LOCK;
--		if (bf == NULL)
--			goto hardstart_fail;
-+		ATH_HARDSTART_REL_TX_BUF_WITH_TXQLOCK_OFF;
- 	}
- 
- ff_bypass:
-@@ -2691,6 +2725,7 @@
- #else /* ATH_SUPERG_FF */
- 
- 	ATH_HARDSTART_GET_TX_BUF_WITH_LOCK;
-+	ATH_HARDSTART_REL_TX_BUF_WITH_TXQLOCK_OFF;
- 
- #endif /* ATH_SUPERG_FF */
- 
-@@ -2712,7 +2747,7 @@
- 		 *  Allocate 1 ath_buf for each frame given 1 was 
- 		 *  already alloc'd
- 		 */
--		ATH_TXBUF_LOCK(sc);
-+		ATH_TXBUF_LOCK_BH(sc);
- 		for (bfcnt = 1; bfcnt < framecnt; ++bfcnt) {
- 			if ((tbf = STAILQ_FIRST(&sc->sc_txbuf)) != NULL) {
- 				STAILQ_REMOVE_HEAD(&sc->sc_txbuf, bf_list);
-@@ -2733,11 +2768,11 @@
- 					STAILQ_INSERT_TAIL(&sc->sc_txbuf, tbf, bf_list);
- 				}
- 			}
--			ATH_TXBUF_UNLOCK(sc);
-+			ATH_TXBUF_UNLOCK_BH(sc);
- 			STAILQ_INIT(&bf_head);
- 			goto hardstart_fail;
- 		}
--		ATH_TXBUF_UNLOCK(sc);
-+		ATH_TXBUF_UNLOCK_BH(sc);
- 
- 		while ((bf = STAILQ_FIRST(&bf_head)) != NULL && skb != NULL) {
- 			unsigned int nextfraglen = 0;
-@@ -2773,7 +2808,7 @@
- 
- hardstart_fail:
- 	if (!STAILQ_EMPTY(&bf_head)) {
--		ATH_TXBUF_LOCK(sc);
-+		ATH_TXBUF_LOCK_BH(sc);
- 		STAILQ_FOREACH_SAFE(tbf, &bf_head, bf_list, tempbf) {
- 			tbf->bf_skb = NULL;
- 			tbf->bf_node = NULL;
-@@ -2783,7 +2818,7 @@
- 
- 			STAILQ_INSERT_TAIL(&sc->sc_txbuf, tbf, bf_list);
- 		}
--		ATH_TXBUF_UNLOCK(sc);
-+		ATH_TXBUF_UNLOCK_BH(sc);
- 	}
- 
- 	/* free sk_buffs */
-@@ -2826,7 +2861,7 @@
- 	/*
- 	 * Grab a TX buffer and associated resources.
- 	 */
--	ATH_TXBUF_LOCK_IRQ(sc);
-+	ATH_TXBUF_LOCK_BH(sc);
- 	bf = STAILQ_FIRST(&sc->sc_txbuf);
- 	if (bf != NULL)
- 		STAILQ_REMOVE_HEAD(&sc->sc_txbuf, bf_list);
-@@ -2837,7 +2872,7 @@
- 		sc->sc_devstopped=1;
- 		ATH_SCHEDULE_TQUEUE(&sc->sc_txtq, NULL);
- 	}
--	ATH_TXBUF_UNLOCK_IRQ(sc);
-+	ATH_TXBUF_UNLOCK_BH(sc);
- 	if (bf == NULL) {
- 		printk("ath_mgtstart: discard, no xmit buf\n");
- 		sc->sc_stats.ast_tx_nobufmgt++;
-@@ -2866,9 +2901,9 @@
- 		bf->bf_skb = NULL;
- 		bf->bf_node = NULL;
- 
--		ATH_TXBUF_LOCK_IRQ(sc);
-+		ATH_TXBUF_LOCK_BH(sc);
- 		STAILQ_INSERT_TAIL(&sc->sc_txbuf, bf, bf_list);
--		ATH_TXBUF_UNLOCK_IRQ(sc);
-+		ATH_TXBUF_UNLOCK_BH(sc);
- 	}
- 	dev_kfree_skb_any(skb);
- 	skb = NULL;
-@@ -3336,10 +3371,10 @@
- 	 *
- 	 * XXX Using in_softirq is not right since we might
- 	 * be called from other soft irq contexts than
+  * Block/unblock tx+rx processing while a key change is done.
+  * We assume the caller serializes key management operations
+  * so we only need to worry about synchronization with other
+  * uses that originate in the driver.
+  */
++#define	IS_UP(_dev) \
++	(((_dev)->flags & (IFF_RUNNING|IFF_UP)) == (IFF_RUNNING|IFF_UP))
+ static void
+ ath_key_update_begin(struct ieee80211vap *vap)
+ {
+@@ -4032,14 +4103,9 @@ ath_key_update_begin(struct ieee80211vap
+ 	 * When called from the rx tasklet we cannot use
+ 	 * tasklet_disable because it will block waiting
+ 	 * for us to complete execution.
+-	 *
+-	 * XXX Using in_softirq is not right since we might
+-	 * be called from other soft irq contexts than
 -	 * ath_rx_tasklet.
-+	 * ath_rx_poll
  	 */
- 	if (!in_softirq())
+-	if (!in_softirq())
 -		tasklet_disable(&sc->sc_rxtq);
-+		netif_poll_disable(dev);
- 	netif_stop_queue(dev);
+-	netif_stop_queue(dev);
++	if (IS_UP(vap->iv_dev))
++		netif_stop_queue(dev);
  }
  
-@@ -3352,7 +3387,7 @@
- 	DPRINTF(sc, ATH_DEBUG_KEYCACHE, "%s:\n", __func__);
- 	netif_start_queue(dev);
- 	if (!in_softirq())		/* NB: see above */
+ static void
+@@ -4051,9 +4117,9 @@ ath_key_update_end(struct ieee80211vap *
+ #endif
+ 
+ 	DPRINTF(sc, ATH_DEBUG_KEYCACHE, "End\n");
+-	netif_wake_queue(dev);
+-	if (!in_softirq())		/* NB: see above */
 -		tasklet_enable(&sc->sc_rxtq);
-+		netif_poll_enable(dev);
++
++	if (IS_UP(vap->iv_dev))
++		netif_wake_queue(dev);
  }
  
  /*
-@@ -4912,9 +4947,9 @@
- 		bf->bf_node = NULL;
- 		bf->bf_desc->ds_link = 0;
- 		
--		ATH_TXBUF_LOCK_IRQ(sc);
-+		ATH_TXBUF_LOCK_BH(sc);
- 		STAILQ_INSERT_TAIL(&sc->sc_txbuf, bf, bf_list);
--		ATH_TXBUF_UNLOCK_IRQ(sc);
-+		ATH_TXBUF_UNLOCK_BH(sc);
- 
- 		an->an_uapsd_overflowqdepth--;
- 	}
-@@ -5585,13 +5620,12 @@
+@@ -6360,15 +6426,25 @@ ath_setdefantenna(struct ath_softc *sc, 
  	sc->sc_rxotherant = 0;
  }
  
 -static void
 -ath_rx_tasklet(TQUEUE_ARG data)
 +static int
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
++ath_rx_poll(struct napi_struct *napi, int budget)
++#else
 +ath_rx_poll(struct net_device *dev, int *budget)
++#endif
  {
  #define	PA2DESC(_sc, _pa) \
  	((struct ath_desc *)((caddr_t)(_sc)->sc_rxdma.dd_desc + \
  		((_pa) - (_sc)->sc_rxdma.dd_desc_paddr)))
 -	struct net_device *dev = (struct net_device *)data;
- 	struct ath_buf *bf;
+-	struct ath_buf *bf;
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
++	struct ath_softc *sc = container_of(napi, struct ath_softc, sc_napi);
++	struct net_device *dev = sc->sc_dev;
++	u_int rx_limit = budget;
++#else
  	struct ath_softc *sc = dev->priv;
++	u_int rx_limit = min(dev->quota, *budget);
++#endif
++	struct ath_buf *bf;
  	struct ieee80211com *ic = &sc->sc_ic;
-@@ -5602,11 +5636,15 @@
+ 	struct ath_hal *ah = sc ? sc->sc_ah : NULL;
+ 	struct ath_desc *ds;
+@@ -6378,8 +6454,10 @@ ath_rx_tasklet(TQUEUE_ARG data)
  	unsigned int len;
  	int type;
  	u_int phyerr;
-+	int processed = 0, early_stop = 0;
-+	int rx_limit = dev->quota;
++	u_int processed = 0, early_stop = 0;
  
- 	/* Let the 802.11 layer know about the new noise floor */
- 	ic->ic_channoise = sc->sc_channoise;
- 	
- 	DPRINTF(sc, ATH_DEBUG_RX_PROC, "%s\n", __func__);
-+
+ 	DPRINTF(sc, ATH_DEBUG_RX_PROC, "invoked\n");
 +process_rx_again:
  	do {
  		bf = STAILQ_FIRST(&sc->sc_rxbuf);
  		if (bf == NULL) {		/* XXX ??? can this happen */
-@@ -5630,6 +5668,13 @@
+@@ -6403,6 +6481,15 @@ ath_rx_tasklet(TQUEUE_ARG data)
  			/* NB: never process the self-linked entry at the end */
  			break;
  		}
 +
-+		processed++;
-+		if (rx_limit-- < 0) {
++		if (rx_limit-- < 2) {
 +			early_stop = 1;
 +			break;
 +		}
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
++		processed++;
++#endif
 +
  		skb = bf->bf_skb;
- 		if (skb == NULL) {		/* XXX ??? can this happen */
- 			printk("%s: no skbuff (%s)\n", dev->name, __func__);
-@@ -5668,6 +5668,7 @@
+ 		if (skb == NULL) {
+ 			EPRINTF(sc, "Dropping; buffer contains NULL skbuff.\n");
+@@ -6450,6 +6537,7 @@ ath_rx_tasklet(TQUEUE_ARG data)
  				sc->sc_stats.ast_rx_phyerr++;
- 				phyerr = ds->ds_rxstat.rs_phyerr & 0x1f;
+ 				phyerr = rs->rs_phyerr & 0x1f;
  				sc->sc_stats.ast_rx_phy[phyerr]++;
 +				goto rx_next;
  			}
- 			if (ds->ds_rxstat.rs_status & HAL_RXERR_DECRYPT) {
+ 			if (rs->rs_status & HAL_RXERR_DECRYPT) {
  				/*
-@@ -5878,6 +5923,25 @@
+@@ -6645,9 +6733,39 @@ rx_next:
  		STAILQ_INSERT_TAIL(&sc->sc_rxbuf, bf, bf_list);
  		ATH_RXBUF_UNLOCK_IRQ(sc);
  	} while (ath_rxbuf_init(sc, bf) == 0);
 +	if (!early_stop) {
++		unsigned long flags;
 +		/* Check if more data is received while we were
 +		 * processing the descriptor chain.
 +		 */
-+		ATH_DISABLE_INTR();
++		local_irq_save(flags);
 +		if (sc->sc_isr & HAL_INT_RX) {
++			u_int64_t hw_tsf = ath_hal_gettsf64(ah);
 +			sc->sc_isr &= ~HAL_INT_RX;
-+			ATH_ENABLE_INTR();
-+			ath_uapsd_processtriggers(sc);
++			local_irq_restore(flags);
++			ath_uapsd_processtriggers(sc, hw_tsf);
 +			goto process_rx_again;
 +		}
-+		netif_rx_complete(dev);
-+
-+		sc->sc_imask |= HAL_INT_RX;
-+		ath_hal_intrset(ah, sc->sc_imask);
-+		ATH_ENABLE_INTR();
++		local_irq_restore(flags);
 +	}
 +
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
++	netif_rx_complete(dev, napi);
++#else
++	netif_rx_complete(dev);
 +	*budget -= processed;
- 	
++	dev->quota -= processed;
++#endif
++	sc->sc_imask |= HAL_INT_RX;
++	ath_hal_intrset(ah, sc->sc_imask);
+ 
  	/* rx signal state monitoring */
  	ath_hal_rxmonitor(ah, &sc->sc_halstats, &sc->sc_curchan);
-@@ -5885,6 +5949,7 @@
- 		sc->sc_rtasksched = 1;
- 		schedule_work(&sc->sc_radartask);
- 	}
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
++	return processed;
++#else
 +	return early_stop;
++#endif
  #undef PA2DESC
  }
  
-@@ -6160,22 +6225,22 @@
- 				}
- 			}
- 
--			ATH_TXBUF_LOCK_IRQ(sc);					
-+			ATH_TXBUF_LOCK_BH(sc);					
- 			bf = STAILQ_FIRST(&sc->sc_grppollbuf);
- 			if (bf != NULL)
- 				STAILQ_REMOVE_HEAD(&sc->sc_grppollbuf, bf_list);
- 			else {
- 				DPRINTF(sc, ATH_DEBUG_XMIT, "%s: No more TxBufs\n", __func__);
--				ATH_TXBUF_UNLOCK_IRQ_EARLY(sc);
-+				ATH_TXBUF_UNLOCK_BH(sc);
- 				return;
- 			}
- 			/* XXX use a counter and leave at least one for mgmt frames */
- 			if (STAILQ_EMPTY(&sc->sc_grppollbuf)) {				
- 				DPRINTF(sc, ATH_DEBUG_XMIT, "%s: No more TxBufs left\n", __func__);
--				ATH_TXBUF_UNLOCK_IRQ_EARLY(sc);
-+				ATH_TXBUF_UNLOCK_BH(sc);
- 				return;
- 			}					
--			ATH_TXBUF_UNLOCK_IRQ(sc);
-+			ATH_TXBUF_UNLOCK_BH(sc);
- 
- 			bf->bf_skbaddr = bus_map_single(sc->sc_bdev,
- 				skb->data, skb->len, BUS_DMA_TODEVICE);
-@@ -6641,9 +6706,9 @@
- 		dev_kfree_skb(lastbuf->bf_skb);
- 		lastbuf->bf_skb = NULL;
- 		ieee80211_unref_node(&lastbuf->bf_node);
--		ATH_TXBUF_LOCK_IRQ(sc);
-+		ATH_TXBUF_LOCK_BH(sc);
- 		STAILQ_INSERT_TAIL(&sc->sc_txbuf, lastbuf, bf_list);
--		ATH_TXBUF_UNLOCK_IRQ(sc);
-+		ATH_TXBUF_UNLOCK_BH(sc);
- 		
- 		/*
- 		 *  move oldest from overflow to delivery
-@@ -7462,9 +7527,6 @@
- 			if (sc->sc_reapcount > ATH_TXBUF_FREE_THRESHOLD) {
- 				if (!sc->sc_dfswait)
- 					netif_start_queue(sc->sc_dev);
--				DPRINTF(sc, ATH_DEBUG_TX_PROC,
--					"%s: tx tasklet restart the queue\n",
--					__func__);
- 				sc->sc_reapcount = 0;
- 				sc->sc_devstopped = 0;
- 			} else
-@@ -7499,11 +7561,22 @@
+@@ -8298,12 +8416,24 @@ ath_tx_tasklet_q0(TQUEUE_ARG data)
+ {
  	struct net_device *dev = (struct net_device *)data;
  	struct ath_softc *sc = dev->priv;
++	unsigned long flags;
  
 +process_tx_again:
  	if (txqactive(sc->sc_ah, 0))
@@ -511,95 +300,89 @@ diff -urN madwifi-ng-refcount-r2313-20070505.old/ath/if_ath.c madwifi-ng-refcoun
  	if (txqactive(sc->sc_ah, sc->sc_cabq->axq_qnum))
  		ath_tx_processq(sc, sc->sc_cabq);
  
-+	ATH_DISABLE_INTR();
++	local_irq_save(flags);
 +	if (sc->sc_isr & HAL_INT_TX) {
 +		sc->sc_isr &= ~HAL_INT_TX;
-+		ATH_ENABLE_INTR();
++		local_irq_restore(flags);
 +		goto process_tx_again;
 +	}
 +	sc->sc_imask |= HAL_INT_TX;
 +	ath_hal_intrset(sc->sc_ah, sc->sc_imask);
-+	ATH_ENABLE_INTR();
++	local_irq_restore(flags);
 +
  	netif_wake_queue(dev);
  
  	if (sc->sc_softled)
-@@ -7520,6 +7593,7 @@
+@@ -8319,7 +8449,9 @@ ath_tx_tasklet_q0123(TQUEUE_ARG data)
+ {
  	struct net_device *dev = (struct net_device *)data;
  	struct ath_softc *sc = dev->priv;
++	unsigned long flags;
  
 +process_tx_again:
  	/*
  	 * Process each active queue.
  	 */
-@@ -7540,6 +7614,16 @@
+@@ -8340,6 +8472,16 @@ ath_tx_tasklet_q0123(TQUEUE_ARG data)
  	if (sc->sc_uapsdq && txqactive(sc->sc_ah, sc->sc_uapsdq->axq_qnum))
  		ath_tx_processq(sc, sc->sc_uapsdq);
  
-+	ATH_DISABLE_INTR();
++	local_irq_save(flags);
 +	if (sc->sc_isr & HAL_INT_TX) {
 +		sc->sc_isr &= ~HAL_INT_TX;
-+		ATH_ENABLE_INTR();
++		local_irq_restore(flags);
 +		goto process_tx_again;
 +	}
 +	sc->sc_imask |= HAL_INT_TX;
 +	ath_hal_intrset(sc->sc_ah, sc->sc_imask);
-+	ATH_ENABLE_INTR();
++	local_irq_restore(flags);
 +
  	netif_wake_queue(dev);
  
  	if (sc->sc_softled)
-@@ -7557,6 +7641,7 @@
+@@ -8355,13 +8497,25 @@ ath_tx_tasklet(TQUEUE_ARG data)
+ 	struct net_device *dev = (struct net_device *)data;
+ 	struct ath_softc *sc = dev->priv;
  	unsigned int i;
++	unsigned long flags;
  
- 	/* Process each active queue. */
+ 	/* Process each active queue. This includes sc_cabq, sc_xrtq and
+ 	 * sc_uapsdq */
 +process_tx_again:
  	for (i = 0; i < HAL_NUM_TX_QUEUES; i++)
  		if (ATH_TXQ_SETUP(sc, i) && txqactive(sc->sc_ah, i))
  			ath_tx_processq(sc, &sc->sc_txq[i]);
-@@ -7565,6 +7650,16 @@
- 		ath_tx_processq(sc, sc->sc_xrtxq);
- #endif
  
-+	ATH_DISABLE_INTR();
++	local_irq_save(flags);
 +	if (sc->sc_isr & HAL_INT_TX) {
 +		sc->sc_isr &= ~HAL_INT_TX;
-+		ATH_ENABLE_INTR();
++		local_irq_restore(flags);
 +		goto process_tx_again;
 +	}
 +	sc->sc_imask |= HAL_INT_TX;
 +	ath_hal_intrset(sc->sc_ah, sc->sc_imask);
-+	ATH_ENABLE_INTR();
++	local_irq_restore(flags);
 +
  	netif_wake_queue(dev);
  
  	if (sc->sc_softled)
-@@ -7662,6 +7663,7 @@
- ath_draintxq(struct ath_softc *sc)
- {
- 	struct ath_hal *ah = sc->sc_ah;
-+	int npend = 0;
- 	unsigned int i;
- 
- 	/* XXX return value */
-@@ -9221,9 +9316,9 @@
+@@ -10296,9 +10450,9 @@ ath_change_mtu(struct net_device *dev, i
  	dev->mtu = mtu;
  	if ((dev->flags & IFF_RUNNING) && !sc->sc_invalid) {
  		/* NB: the rx buffers may need to be reallocated */
 -		tasklet_disable(&sc->sc_rxtq);
-+		netif_poll_disable(dev);
++		ath_poll_disable(dev);
  		error = ath_reset(dev);
 -		tasklet_enable(&sc->sc_rxtq);
-+		netif_poll_enable(dev);
++		ath_poll_enable(dev);
  	}
  	ATH_UNLOCK(sc);
  
-diff -urN madwifi-ng-refcount-r2313-20070505.old/ath/if_athvar.h madwifi-ng-refcount-r2313-20070505.dev/ath/if_athvar.h
---- madwifi-ng-refcount-r2313-20070505.old/ath/if_athvar.h	2007-05-13 18:17:56.363000560 +0200
-+++ madwifi-ng-refcount-r2313-20070505.dev/ath/if_athvar.h	2007-05-13 18:17:56.595965144 +0200
-@@ -47,6 +47,10 @@
- #include "if_athioctl.h"
- #include "net80211/ieee80211.h"		/* XXX for WME_NUM_AC */
+--- a/ath/if_athvar.h
++++ b/ath/if_athvar.h
+@@ -53,6 +53,10 @@
+ # include	<asm/bitops.h>
+ #endif
  
 +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
 +#define irqs_disabled()			0
@@ -608,421 +391,146 @@ diff -urN madwifi-ng-refcount-r2313-20070505.old/ath/if_athvar.h madwifi-ng-refc
  /*
   * Deduce if tasklets are available.  If not then
   * fall back to using the immediate work queue.
-@@ -477,8 +481,12 @@
- #define	ATH_TXQ_LOCK_DESTROY(_tq)	
- #define	ATH_TXQ_LOCK(_tq)		spin_lock(&(_tq)->axq_lock)
- #define	ATH_TXQ_UNLOCK(_tq)		spin_unlock(&(_tq)->axq_lock)
--#define	ATH_TXQ_LOCK_BH(_tq)		spin_lock_bh(&(_tq)->axq_lock)
--#define	ATH_TXQ_UNLOCK_BH(_tq)		spin_unlock_bh(&(_tq)->axq_lock)
-+#define	ATH_TXQ_LOCK_BH(_tq) \
-+	if (!irqs_disabled()) \
-+		spin_lock_bh(&(_tq)->axq_lock)
-+#define	ATH_TXQ_UNLOCK_BH(_tq) \
-+	if (!irqs_disabled()) \
-+		spin_unlock_bh(&(_tq)->axq_lock)
- #define ATH_TXQ_LOCK_IRQ(_tq)		do {	\
- 	unsigned long __axq_lockflags;		\
- 	spin_lock_irqsave(&(_tq)->axq_lock, __axq_lockflags);
-@@ -627,7 +635,6 @@
+@@ -616,6 +620,9 @@ struct ath_rp {
+ struct ath_softc {
+ 	struct ieee80211com sc_ic;		/* NB: must be first */
+ 	struct net_device *sc_dev;
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
++	struct napi_struct sc_napi;
++#endif
+ 	void __iomem *sc_iobase;		/* address of the device */
+ 	struct semaphore sc_lock;		/* dev-level lock */
+ 	struct net_device_stats	sc_devstats;	/* device statistics */
+@@ -730,7 +737,6 @@ struct ath_softc {
  	struct ath_buf *sc_rxbufcur;		/* current rx buffer */
  	u_int32_t *sc_rxlink;			/* link ptr in last RX desc */
- 	spinlock_t sc_rxbuflock; 
+ 	spinlock_t sc_rxbuflock;
 -	struct ATH_TQ_STRUCT sc_rxtq;		/* rx intr tasklet */
  	struct ATH_TQ_STRUCT sc_rxorntq;	/* rxorn intr tasklet */
  	u_int8_t sc_defant;			/* current default antenna */
- 	u_int8_t sc_rxotherant;			/* rx's on non-default antenna*/
-@@ -640,6 +647,7 @@
+ 	u_int8_t sc_rxotherant;			/* RXs on non-default antenna */
+@@ -745,6 +751,7 @@ struct ath_softc {
  	u_int sc_txintrperiod;			/* tx interrupt batching */
  	struct ath_txq sc_txq[HAL_NUM_TX_QUEUES];
- 	struct ath_txq *sc_ac2q[WME_NUM_AC];	/* WME AC -> h/w qnum */ 
+ 	struct ath_txq *sc_ac2q[WME_NUM_AC];	/* WME AC -> h/w qnum */
 +	HAL_INT sc_isr;				/* unmasked ISR state */
  	struct ATH_TQ_STRUCT sc_txtq;		/* tx intr tasklet */
- 	u_int8_t sc_grppoll_str[GRPPOLL_RATE_STR_LEN];  
+ 	u_int8_t sc_grppoll_str[GRPPOLL_RATE_STR_LEN];
  	struct ath_descdma sc_bdma;		/* beacon descriptors */
-@@ -706,8 +714,12 @@
- #define	ATH_TXBUF_LOCK_DESTROY(_sc)
- #define	ATH_TXBUF_LOCK(_sc)		spin_lock(&(_sc)->sc_txbuflock)
- #define	ATH_TXBUF_UNLOCK(_sc)		spin_unlock(&(_sc)->sc_txbuflock)
--#define	ATH_TXBUF_LOCK_BH(_sc)		spin_lock_bh(&(_sc)->sc_txbuflock)
--#define	ATH_TXBUF_UNLOCK_BH(_sc)	spin_unlock_bh(&(_sc)->sc_txbuflock)
-+#define	ATH_TXBUF_LOCK_BH(_sc) \
-+	if (!irqs_disabled()) \
-+		spin_lock_bh(&(_sc)->sc_txbuflock)
-+#define	ATH_TXBUF_UNLOCK_BH(_sc) \
-+	if (!irqs_disabled()) \
-+		spin_unlock_bh(&(_sc)->sc_txbuflock)
- #define	ATH_TXBUF_LOCK_IRQ(_sc)		do {	\
- 	unsigned long __txbuflockflags;		\
- 	spin_lock_irqsave(&(_sc)->sc_txbuflock, __txbuflockflags);
-@@ -725,8 +737,12 @@
- #define	ATH_RXBUF_LOCK_DESTROY(_sc)
- #define	ATH_RXBUF_LOCK(_sc)		spin_lock(&(_sc)->sc_rxbuflock)
- #define	ATH_RXBUF_UNLOCK(_sc)		spin_unlock(&(_sc)->sc_rxbuflock)
--#define	ATH_RXBUF_LOCK_BH(_sc)		spin_lock_bh(&(_sc)->sc_rxbuflock)
--#define	ATH_RXBUF_UNLOCK_BH(_sc)	spin_unlock_bh(&(_sc)->sc_rxbuflock)
-+#define	ATH_RXBUF_LOCK_BH(_sc) \
-+	if (!irqs_disabled()) \
-+		spin_lock_bh(&(_sc)->sc_rxbuflock)
-+#define	ATH_RXBUF_UNLOCK_BH(_sc) \
-+	if (!irqs_disabled()) \
-+		spin_unlock_bh(&(_sc)->sc_rxbuflock)
- #define	ATH_RXBUF_LOCK_IRQ(_sc)		do {	\
- 	unsigned long __rxbuflockflags;		\
- 	spin_lock_irqsave(&(_sc)->sc_rxbuflock, __rxbuflockflags);
-@@ -736,6 +752,8 @@
- #define	ATH_RXBUF_UNLOCK_IRQ_EARLY(_sc)		\
- 	spin_unlock_irqrestore(&(_sc)->sc_rxbuflock, __rxbuflockflags);
+@@ -858,6 +865,8 @@ typedef void (*ath_callback) (struct ath
+ #define	ATH_TXBUF_LOCK_CHECK(_sc)
+ #endif
  
 +#define ATH_DISABLE_INTR		local_irq_disable
 +#define ATH_ENABLE_INTR 		local_irq_enable
  
- /* Protects the device from concurrent accesses */
- #define	ATH_LOCK_INIT(_sc)		init_MUTEX(&(_sc)->sc_lock)
-diff -urN madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_beacon.c madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_beacon.c
---- madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_beacon.c	2007-01-30 05:01:29.000000000 +0100
-+++ madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_beacon.c	2007-05-13 18:17:56.596964992 +0200
-@@ -286,7 +286,7 @@
- 	int len_changed = 0;
- 	u_int16_t capinfo;
- 
--	IEEE80211_LOCK(ic);
-+	IEEE80211_BEACON_LOCK(ic);
- 
- 	if ((ic->ic_flags & IEEE80211_F_DOTH) &&
- 	    (vap->iv_flags & IEEE80211_F_CHANSWITCH) &&
-@@ -547,7 +547,7 @@
- 		vap->iv_flags_ext &= ~IEEE80211_FEXT_APPIE_UPDATE;
- 	}
- 
--	IEEE80211_UNLOCK(ic);
-+	IEEE80211_BEACON_UNLOCK(ic);
- 
- 	return len_changed;
- }
-diff -urN madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_input.c madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_input.c
---- madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_input.c	2007-05-13 18:17:56.106039624 +0200
-+++ madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_input.c	2007-05-13 18:17:56.597964840 +0200
-@@ -1148,8 +1148,9 @@
- 		if (ni->ni_vlan != 0 && vap->iv_vlgrp != NULL) {
+ #define	ATH_RXBUF_LOCK_INIT(_sc)	spin_lock_init(&(_sc)->sc_rxbuflock)
+ #define	ATH_RXBUF_LOCK_DESTROY(_sc)
+--- a/net80211/ieee80211_input.c
++++ b/net80211/ieee80211_input.c
+@@ -1198,7 +1198,7 @@ ieee80211_deliver_data(struct ieee80211_
  			/* attach vlan tag */
- 			vlan_hwaccel_receive_skb(skb, vap->iv_vlgrp, ni->ni_vlan);
--		} else
--			netif_rx(skb);
-+		} else {
-+			netif_receive_skb(skb);
-+		}
- 		dev->last_rx = jiffies;
- 	}
+ 			struct ieee80211_node *ni_tmp = SKB_CB(skb)->ni;
+ 			if (vlan_hwaccel_receive_skb(skb, vap->iv_vlgrp, ni->ni_vlan) == NET_RX_DROP) {
+-				/* If netif_rx dropped the packet because 
++				/* If netif_receive_skb dropped the packet because
+ 				 * device was too busy */
+ 				if (ni_tmp != NULL) {
+ 					/* node reference was leaked */
+@@ -1209,8 +1209,8 @@ ieee80211_deliver_data(struct ieee80211_
+ 			skb = NULL; /* SKB is no longer ours */
+ 		} else {
+ 			struct ieee80211_node *ni_tmp = SKB_CB(skb)->ni;
+-			if (netif_rx(skb) == NET_RX_DROP) {
+-				/* If netif_rx dropped the packet because 
++			if (netif_receive_skb(skb) == NET_RX_DROP) {
++				/* If netif_receive_skb dropped the packet because
+ 				 * device was too busy */
+ 				if (ni_tmp != NULL) {
+ 					/* node reference was leaked */
+@@ -2322,8 +2322,8 @@ forward_mgmt_to_app(struct ieee80211vap 
+ 		skb1->protocol = __constant_htons(0x0019);  /* ETH_P_80211_RAW */
+ 
+ 		ni_tmp = SKB_CB(skb1)->ni;
+-		if (netif_rx(skb1) == NET_RX_DROP) {
+-			/* If netif_rx dropped the packet because 
++		if (netif_receive_skb(skb1) == NET_RX_DROP) {
++			/* If netif_receive_skb dropped the packet because
+ 			 * device was too busy */
+ 			if (ni_tmp != NULL) {
+ 				/* node reference was leaked */
+--- a/net80211/ieee80211_monitor.c
++++ b/net80211/ieee80211_monitor.c
+@@ -584,8 +584,8 @@ ieee80211_input_monitor(struct ieee80211
+ 			skb1->protocol = 
+ 				__constant_htons(0x0019); /* ETH_P_80211_RAW */
+ 
+-			if (netif_rx(skb1) == NET_RX_DROP) {
+-				/* If netif_rx dropped the packet because 
++			if (netif_receive_skb(skb1) == NET_RX_DROP) {
++				/* If netif_receive_skb dropped the packet because
+ 				 * device was too busy, reclaim the ref. in 
+ 				 * the skb. */
+ 				if (SKB_CB(skb1)->ni != NULL)
+--- a/net80211/ieee80211_skb.c
++++ b/net80211/ieee80211_skb.c
+@@ -73,7 +73,7 @@
+ #undef dev_queue_xmit
+ #undef kfree_skb
+ #undef kfree_skb_fast
+-#undef netif_rx
++#undef netif_receive_skb
+ #undef pskb_copy
+ #undef skb_clone
+ #undef skb_copy
+@@ -638,8 +638,8 @@ int  vlan_hwaccel_receive_skb_debug(stru
+ 		grp, vlan_tag);
  }
-@@ -3623,9 +3624,9 @@
- 	}
- 
- 	/* Okay, take the first queued packet and put it out... */
--	IEEE80211_NODE_SAVEQ_LOCK(ni);
-+	IEEE80211_NODE_SAVEQ_LOCK_IRQ(ni);
- 	IEEE80211_NODE_SAVEQ_DEQUEUE(ni, skb, qlen);
--	IEEE80211_NODE_SAVEQ_UNLOCK(ni);
-+	IEEE80211_NODE_SAVEQ_UNLOCK_IRQ(ni);
- 	if (skb == NULL) {
- 		IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_POWER, wh->i_addr2,
- 			"%s", "recv ps-poll, but queue empty");
-diff -urN madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_linux.h madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_linux.h
---- madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_linux.h	2007-05-04 02:10:06.000000000 +0200
-+++ madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_linux.h	2007-05-13 18:17:56.598964688 +0200
-@@ -31,6 +31,10 @@
- 
- #include <linux/wireless.h>
- 
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+#define irqs_disabled()			0
-+#endif
-+
- /*
-  * Task deferral
-  *
-@@ -86,8 +90,12 @@
- } while (0)
- #define	IEEE80211_UNLOCK_IRQ_EARLY(_ic)					\
- 	spin_unlock_irqrestore(&(_ic)->ic_comlock, __ilockflags);
--#define IEEE80211_LOCK_BH(_ic)	spin_lock_bh(&(_ic)->ic_comlock)
--#define IEEE80211_UNLOCK_BH(_ic) spin_unlock_bh(&(_ic)->ic_comlock)
-+#define IEEE80211_LOCK_BH(_ic)	\
-+	if (!irqs_disabled()) \
-+		spin_lock_bh(&(_ic)->ic_comlock)
-+#define IEEE80211_UNLOCK_BH(_ic) \
-+	if (!irqs_disabled()) \
-+		spin_unlock_bh(&(_ic)->ic_comlock)
- #define IEEE80211_LOCK(_ic)	spin_lock(&(_ic)->ic_comlock)
- #define IEEE80211_UNLOCK(_ic)	spin_unlock(&(_ic)->ic_comlock)
- 
-@@ -104,15 +112,22 @@
- #define IEEE80211_VAPS_LOCK_DESTROY(_ic)
- #define IEEE80211_VAPS_LOCK(_ic)	spin_lock(&(_ic)->ic_vapslock);
- #define IEEE80211_VAPS_UNLOCK(_ic)	spin_unlock(&(_ic)->ic_vapslock);
--#define IEEE80211_VAPS_LOCK_BH(_ic)	spin_lock_bh(&(_ic)->ic_vapslock);
--#define IEEE80211_VAPS_UNLOCK_BH(_ic)	spin_unlock_bh(&(_ic)->ic_vapslock);
--#define IEEE80211_VAPS_LOCK_IRQ(_ic)	do {	\
--	int _vaps_lockflags;			\
--	spin_lock_irqsave(&(_ic)->ic_vapslock, _vaps_lockflags);
--#define IEEE80211_VAPS_UNLOCK_IRQ(_ic)	\
--	spin_unlock_irqrestore(&(_ic)->ic_vapslock, _vaps_lockflags); \
--} while (0)
--#define IEEE80211_VAPS_UNLOCK_IRQ_EARLY(_ic)	spin_unlock_irqrestore(&(_ic)->ic_vapslock, _vaps_lockflags)
-+#define IEEE80211_VAPS_LOCK_BH(_ic) \
-+	if (!irqs_disabled()) \
-+		spin_lock_bh(&(_ic)->ic_vapslock);
-+#define IEEE80211_VAPS_UNLOCK_BH(_ic) \
-+	if (!irqs_disabled()) \
-+		spin_unlock_bh(&(_ic)->ic_vapslock);
-+#define IEEE80211_VAPS_LOCK_IRQ(_ic) do {				\
-+	unsigned long __vlockflags=0;				\
-+	unsigned int __vlocked=0;  				\
-+	__vlocked=spin_is_locked(&(_ic)->ic_vapslock);		\
-+	if(!__vlocked) spin_lock_irqsave(&(_ic)->ic_vapslock, __vlockflags);
-+#define IEEE80211_VAPS_UNLOCK_IRQ(_ic)					\
-+	if(!__vlocked) spin_unlock_irqrestore(&(_ic)->ic_vapslock, __vlockflags);	\
-+} while (0);
-+#define IEEE80211_VAPS_UNLOCK_IRQ_EARLY(_ic) \
-+	if (!__vlocked) spin_unlock_irqrestore(&(_ic)->ic_vapslock, _vaps_lockflags)
  
- #if (defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)) && defined(spin_is_locked)
- #define IEEE80211_VAPS_LOCK_ASSERT(_ic) \
-@@ -122,6 +137,11 @@
- #define IEEE80211_VAPS_LOCK_ASSERT(_ic)
- #endif
- 
-+/*
-+ * Beacon locking definitions; piggyback on com lock.
-+ */
-+#define	IEEE80211_BEACON_LOCK(_ic)	   IEEE80211_LOCK_IRQ(_ic)
-+#define	IEEE80211_BEACON_UNLOCK(_ic)	   IEEE80211_UNLOCK_IRQ(_ic)
- 
- /*
-  * Node locking definitions.
-@@ -191,8 +211,12 @@
- typedef spinlock_t ieee80211_scan_lock_t;
- #define	IEEE80211_SCAN_LOCK_INIT(_nt, _name) spin_lock_init(&(_nt)->nt_scanlock)
- #define	IEEE80211_SCAN_LOCK_DESTROY(_nt)
--#define	IEEE80211_SCAN_LOCK_BH(_nt)	spin_lock_bh(&(_nt)->nt_scanlock)
--#define	IEEE80211_SCAN_UNLOCK_BH(_nt)	spin_unlock_bh(&(_nt)->nt_scanlock)
-+#define	IEEE80211_SCAN_LOCK_BH(_nt) \
-+	if (!irqs_disabled()) \
-+		spin_lock_bh(&(_nt)->nt_scanlock)
-+#define	IEEE80211_SCAN_UNLOCK_BH(_nt) \
-+	if (!irqs_disabled()) \
-+		spin_unlock_bh(&(_nt)->nt_scanlock)
- #define	IEEE80211_SCAN_LOCK_IRQ(_nt)	do {	\
- 	unsigned long __scan_lockflags;		\
- 	spin_lock_irqsave(&(_nt)->nt_scanlock, __scan_lockflags);
-@@ -217,8 +241,12 @@
- #define	ACL_LOCK_DESTROY(_as)
- #define	ACL_LOCK(_as)			spin_lock(&(_as)->as_lock)
- #define	ACL_UNLOCK(_as)			spin_unlock(&(_as)->as_lock)
--#define	ACL_LOCK_BH(_as)		spin_lock_bh(&(_as)->as_lock)
--#define	ACL_UNLOCK_BH(_as)		spin_unlock_bh(&(_as)->as_lock)
-+#define	ACL_LOCK_BH(_as) \
-+	if (!irqs_disabled()) \
-+		spin_lock_bh(&(_as)->as_lock)
-+#define	ACL_UNLOCK_BH(_as) \
-+	if (!irqs_disabled()) \
-+		spin_unlock_bh(&(_as)->as_lock)
- 
- #if (defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)) && defined(spin_is_locked)
- #define	ACL_LOCK_ASSERT(_as) \
-diff -urN madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_node.c madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_node.c
---- madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_node.c	2007-05-13 18:17:56.273014240 +0200
-+++ madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_node.c	2007-05-13 18:17:56.599964536 +0200
-@@ -1567,7 +1567,7 @@
- 	struct ieee80211_node *ni;
- 	u_int gen;
- 
--	IEEE80211_SCAN_LOCK_IRQ(nt);
-+	IEEE80211_SCAN_LOCK_BH(nt);
- 	gen = ++nt->nt_scangen;
- 	
- restart:
-@@ -1587,7 +1587,7 @@
- 	}
- 	IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
- 
--	IEEE80211_SCAN_UNLOCK_IRQ(nt);
-+	IEEE80211_SCAN_UNLOCK_BH(nt);
+-int netif_rx_debug(struct sk_buff *skb, const char* func, int line) {
+-	return netif_rx(untrack_skb(skb, 0, func, line, __func__, __LINE__));
++int netif_receive_skb_debug(struct sk_buff *skb, const char* func, int line) {
++	return netif_receive_skb(untrack_skb(skb, 0, func, line, __func__, __LINE__));
  }
- EXPORT_SYMBOL(ieee80211_iterate_dev_nodes);
- 
-diff -urN madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_power.c madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_power.c
---- madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_power.c	2007-04-25 22:29:55.000000000 +0200
-+++ madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_power.c	2007-05-13 18:17:56.599964536 +0200
-@@ -147,7 +147,7 @@
- #endif
- 		struct sk_buff *skb;
- 
--		IEEE80211_NODE_SAVEQ_LOCK(ni);
-+		IEEE80211_NODE_SAVEQ_LOCK_IRQ(ni);
- 		while ((skb = skb_peek(&ni->ni_savedq)) != NULL &&
- 		     M_AGE_GET(skb) < IEEE80211_INACT_WAIT) {
- 			IEEE80211_NOTE(vap, IEEE80211_MSG_POWER, ni,
-@@ -159,7 +159,7 @@
- 		}
- 		if (skb != NULL)
- 			M_AGE_SUB(skb, IEEE80211_INACT_WAIT);
--		IEEE80211_NODE_SAVEQ_UNLOCK(ni);
-+		IEEE80211_NODE_SAVEQ_UNLOCK_IRQ(ni);
- 
- 		IEEE80211_NOTE(vap, IEEE80211_MSG_POWER, ni,
- 			"discard %u frames for age", discard);
-@@ -185,7 +185,7 @@
- 	KASSERT(aid < vap->iv_max_aid,
- 		("bogus aid %u, max %u", aid, vap->iv_max_aid));
  
--	IEEE80211_LOCK(ni->ni_ic);
-+	IEEE80211_BEACON_LOCK(ni->ni_ic);
- 	if (set != (isset(vap->iv_tim_bitmap, aid) != 0)) {
- 		if (set) {
- 			setbit(vap->iv_tim_bitmap, aid);
-@@ -196,7 +196,7 @@
- 		}
- 		vap->iv_flags |= IEEE80211_F_TIMUPDATE;
- 	}
--	IEEE80211_UNLOCK(ni->ni_ic);
-+	IEEE80211_BEACON_UNLOCK(ni->ni_ic);
+ struct sk_buff * alloc_skb_debug(unsigned int length, gfp_t gfp_mask,
+@@ -760,7 +760,7 @@ struct sk_buff * skb_copy_expand_debug(c
  }
  
- /*
-@@ -297,9 +297,9 @@
- 		struct sk_buff *skb;
- 		int qlen;
- 
--		IEEE80211_NODE_SAVEQ_LOCK(ni);
-+		IEEE80211_NODE_SAVEQ_LOCK_IRQ(ni);
- 		IEEE80211_NODE_SAVEQ_DEQUEUE(ni, skb, qlen);
--		IEEE80211_NODE_SAVEQ_UNLOCK(ni);
-+		IEEE80211_NODE_SAVEQ_UNLOCK_IRQ(ni);
- 		if (skb == NULL)
- 			break;
- 		/* 
-@@ -363,9 +363,9 @@
- 			for (;;) {
- 				struct sk_buff *skb;
- 
--				IEEE80211_NODE_SAVEQ_LOCK(ni);
-+				IEEE80211_NODE_SAVEQ_LOCK_IRQ(ni);
- 				skb = __skb_dequeue(&ni->ni_savedq);
--				IEEE80211_NODE_SAVEQ_UNLOCK(ni);
-+				IEEE80211_NODE_SAVEQ_UNLOCK_IRQ(ni);
- 				if (skb == NULL)
- 					break;
- 				ieee80211_parent_queue_xmit(skb);
-diff -urN madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_proto.c madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_proto.c
---- madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_proto.c	2007-05-13 18:17:56.578967728 +0200
-+++ madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_proto.c	2007-05-13 18:17:56.600964384 +0200
-@@ -635,9 +635,9 @@
- {
- 	struct ieee80211com *ic = vap->iv_ic;
- 
--	IEEE80211_LOCK(ic);
-+	IEEE80211_BEACON_LOCK(ic);
- 	ieee80211_wme_initparams_locked(vap);
--	IEEE80211_UNLOCK(ic);
-+	IEEE80211_BEACON_UNLOCK(ic);
- }
- 
- void
-@@ -920,9 +920,9 @@
- 	struct ieee80211com *ic = vap->iv_ic;
- 
- 	if (ic->ic_caps & IEEE80211_C_WME) {
--		IEEE80211_LOCK(ic);
-+		IEEE80211_BEACON_LOCK(ic);
- 		ieee80211_wme_updateparams_locked(vap);
--		IEEE80211_UNLOCK(ic);
-+		IEEE80211_BEACON_UNLOCK(ic);
- 	}
- }
- 
-diff -urN madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_scan_sta.c madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_scan_sta.c
---- madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_scan_sta.c	2007-02-01 21:49:37.000000000 +0100
-+++ madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_scan_sta.c	2007-05-13 18:17:56.601964232 +0200
-@@ -163,9 +163,11 @@
- {
- 	struct sta_table *st = ss->ss_priv;
- 
--	spin_lock(&st->st_lock);
-+	if (!irqs_disabled())
-+		spin_lock_bh(&st->st_lock);
- 	sta_flush_table(st);
--	spin_unlock(&st->st_lock);
-+	if (!irqs_disabled())
-+		spin_unlock_bh(&st->st_lock);
- 	ss->ss_last = 0;
- 	return 0;
- }
-@@ -215,7 +217,8 @@
- 	int hash;
- 
- 	hash = STA_HASH(macaddr);
--	spin_lock(&st->st_lock);  
-+	if (!irqs_disabled())
-+		spin_lock_bh(&st->st_lock);  
- 	LIST_FOREACH(se, &st->st_hash[hash], se_hash)
- 		if (IEEE80211_ADDR_EQ(se->base.se_macaddr, macaddr) &&
- 		    sp->ssid[1] == se->base.se_ssid[1] && 
-@@ -225,7 +228,7 @@
- 	MALLOC(se, struct sta_entry *, sizeof(struct sta_entry),
- 		M_80211_SCAN, M_NOWAIT | M_ZERO);
- 	if (se == NULL) {
--		spin_unlock(&st->st_lock);
-+		spin_unlock_bh(&st->st_lock);
- 		return 0;
- 	}
- 	se->se_scangen = st->st_scangen-1;
-@@ -287,7 +290,8 @@
- 	se->se_seen = 1;
- 	se->se_notseen = 0;
- 
--	spin_unlock(&st->st_lock);
-+	if (!irqs_disabled())
-+		spin_unlock_bh(&st->st_lock);
- 
- 	/*
- 	 * If looking for a quick choice and nothing's
-@@ -1063,7 +1067,8 @@
- 	u_int gen;
- 	int res = 0;
- 
--	spin_lock(&st->st_scanlock);
-+	if (!irqs_disabled())
-+		spin_lock_bh(&st->st_scanlock);
- 	gen = st->st_scangen++;
- restart:
- 	spin_lock(&st->st_lock);
-@@ -1086,7 +1091,8 @@
- 	spin_unlock(&st->st_lock);
- 
-  done:
--	spin_unlock(&st->st_scanlock);
-+	if (!irqs_disabled())
-+		spin_unlock_bh(&st->st_scanlock);
- 
- 	return res;
- }
-@@ -1235,7 +1241,8 @@
- 	bestchan = NULL;
- 	bestrssi = -1;
- 
--	spin_lock(&st->st_lock);
-+	if (!irqs_disabled())
-+		spin_lock_bh(&st->st_lock);
- 	for (i = 0; i < ss->ss_last; i++) {
- 		c = ss->ss_chans[i];
- 		maxrssi = 0;
-@@ -1248,7 +1255,8 @@
- 		if (bestchan == NULL || maxrssi < bestrssi)
- 			bestchan = c;
- 	}
--	spin_unlock(&st->st_lock);
-+	if (!irqs_disabled())
-+		spin_unlock_bh(&st->st_lock);
- 
- 	return bestchan;
- }
+ EXPORT_SYMBOL(vlan_hwaccel_receive_skb_debug);
+-EXPORT_SYMBOL(netif_rx_debug);
++EXPORT_SYMBOL(netif_receive_skb_debug);
+ EXPORT_SYMBOL(alloc_skb_debug);
+ EXPORT_SYMBOL(dev_alloc_skb_debug);
+ EXPORT_SYMBOL(skb_clone_debug);
+--- a/net80211/ieee80211_skb.h
++++ b/net80211/ieee80211_skb.h
+@@ -116,7 +116,7 @@ int ieee80211_skb_references(void);
+ int  vlan_hwaccel_receive_skb_debug(struct sk_buff *skb, 
+ 				    struct vlan_group *grp, unsigned short vlan_tag, 
+ 				    const char* func, int line);
+-int netif_rx_debug(struct sk_buff *skb, const char* func, int line);
++int netif_receive_skb_debug(struct sk_buff *skb, const char* func, int line);
+ struct sk_buff * alloc_skb_debug(unsigned int length, gfp_t gfp_mask,
+ 				 const char *func, int line);
+ struct sk_buff * dev_alloc_skb_debug(unsigned int length,
+@@ -151,7 +151,7 @@ struct sk_buff * skb_copy_expand_debug(c
+ #undef dev_queue_xmit
+ #undef kfree_skb
+ #undef kfree_skb_fast
+-#undef netif_rx
++#undef netif_receive_skb
+ #undef pskb_copy
+ #undef skb_clone
+ #undef skb_copy
+@@ -168,8 +168,8 @@ struct sk_buff * skb_copy_expand_debug(c
+ 	skb_copy_expand_debug(_skb, _newheadroom, _newtailroom, _gfp_mask, __func__, __LINE__)
+ #define vlan_hwaccel_receive_skb(_skb, _grp, _tag) \
+ 	vlan_hwaccel_receive_skb_debug(_skb, _grp, _tag, __func__, __LINE__)
+-#define netif_rx(_skb) \
+-	netif_rx_debug(_skb, __func__, __LINE__)
++#define netif_receive_skb(_skb) \
++	netif_receive_skb_debug(_skb, __func__, __LINE__)
+ #define	alloc_skb(_length, _gfp_mask) \
+ 	alloc_skb_debug(_length, _gfp_mask, __func__, __LINE__)
+ #define	dev_alloc_skb(_length) \