atheros: nuke 2.6.26 support, 2.6.28 is stable
[openwrt.git] / package / madwifi / patches / 300-napi_polling.patch
index b0d5af8..bc62d7b 100644 (file)
@@ -1,57 +1,83 @@
-diff -urN madwifi-ng-r2377-20070526.old/ath/if_ath.c madwifi-ng-r2377-20070526.dev/ath/if_ath.c
---- madwifi-ng-r2377-20070526.old/ath/if_ath.c 2007-05-26 18:51:09.318670888 +0200
-+++ madwifi-ng-r2377-20070526.dev/ath/if_ath.c 2007-05-26 18:51:09.331668912 +0200
-@@ -167,7 +167,7 @@
-       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);
  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);
 +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
  static int ath_hardstart(struct sk_buff *, struct net_device *);
  static int ath_mgtstart(struct ieee80211com *, struct sk_buff *);
  #ifdef ATH_SUPERG_COMP
-@@ -429,7 +429,6 @@
-       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);
  
 -      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);
-@@ -685,6 +684,8 @@
+@@ -821,6 +827,12 @@ ath_attach(u_int16_t devid, struct net_d
        dev->set_mac_address = ath_set_mac_address;
        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;
 +      dev->poll = ath_rx_poll;
 +      dev->weight = 64;
++#endif
  #ifdef USE_HEADERLEN_RESV
        dev->hard_header_len += sizeof(struct ieee80211_qosframe) +
                                sizeof(struct llc) +
  #ifdef USE_HEADERLEN_RESV
        dev->hard_header_len += sizeof(struct ieee80211_qosframe) +
                                sizeof(struct llc) +
-@@ -1653,6 +1654,7 @@
-        */
-       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 */
 +      sc->sc_isr = status;
        status &= sc->sc_imask;                 /* discard unasked for bits */
-       if (status & HAL_INT_FATAL) {
-               sc->sc_stats.ast_hardware++;
-@@ -1688,7 +1690,12 @@
-               if (status & HAL_INT_RX) {
-                       sc->sc_tsf = ath_hal_gettsf64(ah);
-                       ath_uapsd_processtriggers(sc);
+       /* 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;
 -                      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);
 +                              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);
 +                              __netif_rx_schedule(dev);
++#endif
 +                      }
                }
                if (status & HAL_INT_TX) {
  #ifdef ATH_SUPERG_DYNTURBO
 +                      }
                }
                if (status & HAL_INT_TX) {
  #ifdef ATH_SUPERG_DYNTURBO
-@@ -1714,6 +1721,11 @@
+@@ -2303,6 +2330,11 @@ ath_intr(int irq, void *dev_id, struct p
                                }
                                }
-                       } 
+                       }
  #endif
 +                      /* disable transmit interrupt */
 +                      sc->sc_isr &= ~HAL_INT_TX;
  #endif
 +                      /* disable transmit interrupt */
 +                      sc->sc_isr &= ~HAL_INT_TX;
@@ -61,350 +87,160 @@ diff -urN madwifi-ng-r2377-20070526.old/ath/if_ath.c madwifi-ng-r2377-20070526.d
                        ATH_SCHEDULE_TQUEUE(&sc->sc_txtq, &needmark);
                }
                if (status & HAL_INT_BMISS) {
                        ATH_SCHEDULE_TQUEUE(&sc->sc_txtq, &needmark);
                }
                if (status & HAL_INT_BMISS) {
-@@ -2176,12 +2188,13 @@
-        * Insert the frame on the outbound list and
-        * pass it on to the hardware.
-        */
--      ATH_TXQ_LOCK(txq);
-+      ATH_TXQ_LOCK_IRQ(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);
-@@ -2197,6 +2210,7 @@
-                               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);
-@@ -2232,7 +2246,7 @@
-                       }
-               }
-       }
--      ATH_TXQ_UNLOCK(txq);
-+      ATH_TXQ_UNLOCK_IRQ(txq);
+@@ -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;
-@@ -2383,8 +2397,14 @@
-       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)) {
-@@ -2398,7 +2418,7 @@
-               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);
-@@ -2419,15 +2439,16 @@
-               }
-               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);             \
-@@ -2442,11 +2463,23 @@
-               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;                                    \
-       }
  /*
  /*
-@@ -2508,6 +2541,7 @@
-       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;
-@@ -2529,7 +2563,7 @@
-       /* 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 */
-@@ -2539,7 +2573,7 @@
-                       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
-@@ -2566,6 +2600,7 @@
-                        *     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;
-@@ -2580,7 +2615,7 @@
-                       TAILQ_INSERT_HEAD(&txq->axq_stageq, bf, bf_stagelist);
--                      ATH_TXQ_UNLOCK(txq);
-+                      ATH_TXQ_UNLOCK_BH(txq);
-                       return 0;
-               }
-@@ -2591,7 +2626,7 @@
-                       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);
-@@ -2621,9 +2656,9 @@
-                       }
-                       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;
-               }
-               /*
-@@ -2633,14 +2668,13 @@
-               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:
-@@ -2648,6 +2682,7 @@
- #else /* ATH_SUPERG_FF */
-       ATH_HARDSTART_GET_TX_BUF_WITH_LOCK;
-+      ATH_HARDSTART_REL_TX_BUF_WITH_TXQLOCK_OFF;
- #endif /* ATH_SUPERG_FF */
-@@ -2669,7 +2704,7 @@
-                *  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);
-@@ -2690,11 +2725,11 @@
-                                       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;
-@@ -2730,7 +2765,7 @@
- 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;
-@@ -2740,7 +2775,7 @@
-                       STAILQ_INSERT_TAIL(&sc->sc_txbuf, tbf, bf_list);
-               }
--              ATH_TXBUF_UNLOCK(sc);
-+              ATH_TXBUF_UNLOCK_BH(sc);
-       }
-       /* free sk_buffs */
-@@ -2783,7 +2818,7 @@
-       /*
-        * 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);
-@@ -2794,7 +2829,7 @@
-               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++;
-@@ -2823,9 +2858,9 @@
-               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;
-@@ -3293,10 +3328,10 @@
-        *
-        * 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_tasklet.
-+       * ath_rx_poll
         */
         */
-       if (!in_softirq())
+-      if (!in_softirq())
 -              tasklet_disable(&sc->sc_rxtq);
 -              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);
  }
  
  }
  
-@@ -3309,7 +3344,7 @@
-       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);
 -              tasklet_enable(&sc->sc_rxtq);
-+              netif_poll_enable(dev);
++
++      if (IS_UP(vap->iv_dev))
++              netif_wake_queue(dev);
  }
  
  /*
  }
  
  /*
-@@ -4875,9 +4910,9 @@
-               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--;
-       }
-@@ -5553,13 +5588,12 @@
+@@ -6360,15 +6426,25 @@ ath_setdefantenna(struct ath_softc *sc, 
        sc->sc_rxotherant = 0;
  }
  
 -static void
 -ath_rx_tasklet(TQUEUE_ARG data)
 +static int
        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)
 +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;
  {
  #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;
        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;
        struct ieee80211com *ic = &sc->sc_ic;
-@@ -5571,12 +5605,15 @@
+       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;
 +      u_int processed = 0, early_stop = 0;
        unsigned int len;
        int type;
        u_int phyerr;
 +      u_int processed = 0, early_stop = 0;
-+      u_int rx_limit = dev->quota;
  
  
-       /* Let the 802.11 layer know about the new noise floor */
-       sc->sc_channoise = ath_hal_get_channel_noise(ah, &(sc->sc_curchan));
-       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 */
 +process_rx_again:
        do {
                bf = STAILQ_FIRST(&sc->sc_rxbuf);
                if (bf == NULL) {               /* XXX ??? can this happen */
-@@ -5600,6 +5637,13 @@
+@@ -6403,6 +6481,15 @@ ath_rx_tasklet(TQUEUE_ARG data)
                        /* NB: never process the self-linked entry at the end */
                        break;
                }
 +
                        /* NB: never process the self-linked entry at the end */
                        break;
                }
 +
-+              processed++;
-+              if (rx_limit-- < 0) {
++              if (rx_limit-- < 2) {
 +                      early_stop = 1;
 +                      break;
 +              }
 +                      early_stop = 1;
 +                      break;
 +              }
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
++              processed++;
++#endif
 +
                skb = bf->bf_skb;
 +
                skb = bf->bf_skb;
-               if (skb == NULL) {              /* XXX ??? can this happen */
-                       printk("%s: no skbuff (%s)\n", dev->name, __func__);
-@@ -5638,6 +5682,7 @@
+               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 = rs->rs_phyerr & 0x1f;
                                sc->sc_stats.ast_rx_phy[phyerr]++;
                                sc->sc_stats.ast_rx_phyerr++;
                                phyerr = rs->rs_phyerr & 0x1f;
                                sc->sc_stats.ast_rx_phy[phyerr]++;
@@ -412,88 +248,51 @@ diff -urN madwifi-ng-r2377-20070526.old/ath/if_ath.c madwifi-ng-r2377-20070526.d
                        }
                        if (rs->rs_status & HAL_RXERR_DECRYPT) {
                                /*
                        }
                        if (rs->rs_status & HAL_RXERR_DECRYPT) {
                                /*
-@@ -5841,9 +5886,29 @@
+@@ -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) {
                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.
 +               */
 +              /* 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) {
 +              if (sc->sc_isr & HAL_INT_RX) {
++                      u_int64_t hw_tsf = ath_hal_gettsf64(ah);
 +                      sc->sc_isr &= ~HAL_INT_RX;
 +                      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;
 +              }
 +                      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;
 +      *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);
        /* rx signal state monitoring */
        ath_hal_rxmonitor(ah, &sc->sc_halstats, &sc->sc_curchan);
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
++      return processed;
++#else
 +      return early_stop;
 +      return early_stop;
++#endif
  #undef PA2DESC
  }
  
  #undef PA2DESC
  }
  
-@@ -6119,22 +6184,22 @@
-                               }
-                       }
--                      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);
-@@ -6600,9 +6665,9 @@
-               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
-@@ -7427,9 +7492,6 @@
-                       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
-@@ -7464,11 +7526,22 @@
+@@ -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;
        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))
  
 +process_tx_again:
        if (txqactive(sc->sc_ah, 0))
@@ -501,95 +300,89 @@ diff -urN madwifi-ng-r2377-20070526.old/ath/if_ath.c madwifi-ng-r2377-20070526.d
        if (txqactive(sc->sc_ah, sc->sc_cabq->axq_qnum))
                ath_tx_processq(sc, sc->sc_cabq);
  
        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;
 +      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);
 +              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)
 +
        netif_wake_queue(dev);
  
        if (sc->sc_softled)
-@@ -7485,6 +7558,7 @@
+@@ -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;
        struct net_device *dev = (struct net_device *)data;
        struct ath_softc *sc = dev->priv;
++      unsigned long flags;
  
 +process_tx_again:
        /*
         * Process each active queue.
         */
  
 +process_tx_again:
        /*
         * Process each active queue.
         */
-@@ -7505,6 +7579,16 @@
+@@ -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);
  
        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;
 +      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);
 +              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)
 +
        netif_wake_queue(dev);
  
        if (sc->sc_softled)
-@@ -7522,6 +7606,7 @@
+@@ -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 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]);
 +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]);
-@@ -7530,6 +7615,16 @@
-               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;
 +      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);
 +              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)
 +
        netif_wake_queue(dev);
  
        if (sc->sc_softled)
-@@ -7628,6 +7723,7 @@
- ath_draintxq(struct ath_softc *sc)
- {
-       struct ath_hal *ah = sc->sc_ah;
-+      int npend = 0;
-       unsigned int i;
-       /* XXX return value */
-@@ -9161,9 +9257,9 @@
+@@ -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);
        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);
                error = ath_reset(dev);
 -              tasklet_enable(&sc->sc_rxtq);
-+              netif_poll_enable(dev);
++              ath_poll_enable(dev);
        }
        ATH_UNLOCK(sc);
  
        }
        ATH_UNLOCK(sc);
  
-diff -urN madwifi-ng-r2377-20070526.old/ath/if_athvar.h madwifi-ng-r2377-20070526.dev/ath/if_athvar.h
---- madwifi-ng-r2377-20070526.old/ath/if_athvar.h      2007-05-26 18:51:09.020716184 +0200
-+++ madwifi-ng-r2377-20070526.dev/ath/if_athvar.h      2007-05-26 18:51:09.331668912 +0200
-@@ -48,6 +48,10 @@
- #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
  
 +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
 +#define irqs_disabled()                       0
@@ -598,421 +391,146 @@ diff -urN madwifi-ng-r2377-20070526.old/ath/if_athvar.h madwifi-ng-r2377-2007052
  /*
   * Deduce if tasklets are available.  If not then
   * fall back to using the immediate work queue.
  /*
   * Deduce if tasklets are available.  If not then
   * fall back to using the immediate work queue.
-@@ -478,8 +482,12 @@
- #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);
-@@ -623,7 +631,6 @@
+@@ -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 */
        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 */
 -      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*/
-@@ -636,6 +643,7 @@
+       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];
        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 */
 +      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 */
        struct ath_descdma sc_bdma;             /* beacon descriptors */
-@@ -702,8 +710,12 @@
- #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);
-@@ -721,8 +733,12 @@
- #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);
-@@ -732,6 +748,8 @@
- #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
  
  
 +#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-r2377-20070526.old/net80211/ieee80211_beacon.c madwifi-ng-r2377-20070526.dev/net80211/ieee80211_beacon.c
---- madwifi-ng-r2377-20070526.old/net80211/ieee80211_beacon.c  2007-01-30 05:01:29.000000000 +0100
-+++ madwifi-ng-r2377-20070526.dev/net80211/ieee80211_beacon.c  2007-05-26 18:51:09.332668760 +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-r2377-20070526.old/net80211/ieee80211_input.c madwifi-ng-r2377-20070526.dev/net80211/ieee80211_input.c
---- madwifi-ng-r2377-20070526.old/net80211/ieee80211_input.c   2007-05-26 18:51:09.107702960 +0200
-+++ madwifi-ng-r2377-20070526.dev/net80211/ieee80211_input.c   2007-05-26 18:51:09.333668608 +0200
-@@ -1169,8 +1169,9 @@
-               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 */
                        /* 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;
-       }
- }
-@@ -3668,9 +3669,9 @@
-       }
-       /* 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-r2377-20070526.old/net80211/ieee80211_linux.h madwifi-ng-r2377-20070526.dev/net80211/ieee80211_linux.h
---- madwifi-ng-r2377-20070526.old/net80211/ieee80211_linux.h   2007-05-24 19:31:37.000000000 +0200
-+++ madwifi-ng-r2377-20070526.dev/net80211/ieee80211_linux.h   2007-05-26 18:51:09.334668456 +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-r2377-20070526.old/net80211/ieee80211_node.c madwifi-ng-r2377-20070526.dev/net80211/ieee80211_node.c
---- madwifi-ng-r2377-20070526.old/net80211/ieee80211_node.c    2007-05-26 18:51:08.748757528 +0200
-+++ madwifi-ng-r2377-20070526.dev/net80211/ieee80211_node.c    2007-05-26 18:51:09.335668304 +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);
+                       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);
  }
  }
- EXPORT_SYMBOL(ieee80211_iterate_dev_nodes);
  
  
-diff -urN madwifi-ng-r2377-20070526.old/net80211/ieee80211_power.c madwifi-ng-r2377-20070526.dev/net80211/ieee80211_power.c
---- madwifi-ng-r2377-20070526.old/net80211/ieee80211_power.c   2007-05-24 19:31:37.000000000 +0200
-+++ madwifi-ng-r2377-20070526.dev/net80211/ieee80211_power.c   2007-05-26 18:51:09.336668152 +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);
+-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__));
  }
  
  }
  
- /*
-@@ -295,9 +295,9 @@
-                       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;
-                       /* 
-@@ -362,9 +362,9 @@
-                       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-r2377-20070526.old/net80211/ieee80211_proto.c madwifi-ng-r2377-20070526.dev/net80211/ieee80211_proto.c
---- madwifi-ng-r2377-20070526.old/net80211/ieee80211_proto.c   2007-05-26 18:51:09.321670432 +0200
-+++ madwifi-ng-r2377-20070526.dev/net80211/ieee80211_proto.c   2007-05-26 18:51:09.337668000 +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);
-       }
+ 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
  }
  
  }
  
-diff -urN madwifi-ng-r2377-20070526.old/net80211/ieee80211_scan_sta.c madwifi-ng-r2377-20070526.dev/net80211/ieee80211_scan_sta.c
---- madwifi-ng-r2377-20070526.old/net80211/ieee80211_scan_sta.c        2007-05-21 17:53:39.000000000 +0200
-+++ madwifi-ng-r2377-20070526.dev/net80211/ieee80211_scan_sta.c        2007-05-26 18:51:09.338667848 +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) \
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