refresh madwifi patches
[openwrt/openwrt.git] / package / madwifi / patches / 300-napi_polling.patch
index 69e2b106bbbe5d5486fb2b643190602f6206c3b9..0bc05c07b827a74bf35009f4d01f267608d2c391 100644 (file)
@@ -1,8 +1,9 @@
-diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
---- madwifi.old/ath/if_ath.c   2007-05-31 06:48:28.561525488 +0200
-+++ madwifi.dev/ath/if_ath.c   2007-05-31 06:50:07.143538744 +0200
-@@ -167,7 +167,7 @@
-       int, u_int32_t);
+Index: madwifi-ng-r2568-20070710/ath/if_ath.c
+===================================================================
+--- madwifi-ng-r2568-20070710.orig/ath/if_ath.c        2007-07-23 01:48:44.466514171 +0200
++++ madwifi-ng-r2568-20070710/ath/if_ath.c     2007-07-23 01:48:45.030546315 +0200
+@@ -170,7 +170,7 @@
+       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);
@@ -10,7 +11,7 @@ diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
  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 @@
+@@ -444,7 +444,6 @@
        ATH_TXBUF_LOCK_INIT(sc);
        ATH_RXBUF_LOCK_INIT(sc);
  
@@ -18,7 +19,7 @@ diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
        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 @@
+@@ -691,6 +690,8 @@
        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 */
@@ -27,7 +28,7 @@ diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
  #ifdef USE_HEADERLEN_RESV
        dev->hard_header_len += sizeof(struct ieee80211_qosframe) +
                                sizeof(struct llc) +
-@@ -1643,6 +1644,7 @@
+@@ -1667,6 +1668,7 @@
         */
        ath_hal_getisr(ah, &status);            /* NB: clears ISR too */
        DPRINTF(sc, ATH_DEBUG_INTR, "%s: status 0x%x\n", __func__, status);
@@ -35,23 +36,25 @@ diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
        status &= sc->sc_imask;                 /* discard unasked for bits */
        if (status & HAL_INT_FATAL) {
                sc->sc_stats.ast_hardware++;
-@@ -1678,7 +1680,12 @@
+@@ -1702,7 +1704,14 @@
                if (status & HAL_INT_RX) {
                        sc->sc_tsf = ath_hal_gettsf64(ah);
                        ath_uapsd_processtriggers(sc);
 -                      ATH_SCHEDULE_TQUEUE(&sc->sc_rxtq, &needmark);
 +                      sc->sc_isr &= ~HAL_INT_RX;
 +                      if (netif_rx_schedule_prep(dev)) {
++#ifndef ATH_PRECISE_TSF
 +                              sc->sc_imask &= ~HAL_INT_RX;
 +                              ath_hal_intrset(ah, sc->sc_imask);
++#endif
 +                              __netif_rx_schedule(dev);
 +                      }
                }
                if (status & HAL_INT_TX) {
  #ifdef ATH_SUPERG_DYNTURBO
-@@ -1704,6 +1711,11 @@
+@@ -1728,6 +1737,11 @@
                                }
-                       } 
+                       }
  #endif
 +                      /* disable transmit interrupt */
 +                      sc->sc_isr &= ~HAL_INT_TX;
@@ -61,278 +64,7 @@ diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
                        ATH_SCHEDULE_TQUEUE(&sc->sc_txtq, &needmark);
                }
                if (status & HAL_INT_BMISS) {
-@@ -2166,12 +2178,13 @@
-        * 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);
-@@ -2187,6 +2200,7 @@
-                               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);
-@@ -2222,7 +2236,7 @@
-                       }
-               }
-       }
--      ATH_TXQ_UNLOCK(txq);
-+      ATH_TXQ_UNLOCK_IRQ(txq);
-       sc->sc_devstats.tx_packets++;
-       sc->sc_devstats.tx_bytes += framelen;
-@@ -2373,12 +2387,18 @@
-       unsigned int pktlen;
-       int framecnt;
-+      /*
-+       * 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.
-+       */
-       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)) {
--                      ATH_TXQ_UNLOCK(txq);
-+                      ATH_TXQ_UNLOCK_BH(txq);
-                       break;
-               }
-@@ -2388,7 +2408,7 @@
-               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);
-@@ -2409,15 +2429,16 @@
-               }
-               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);             \
-@@ -2432,11 +2453,23 @@
-               sc->sc_devstopped = 1;                                  \
-               ATH_SCHEDULE_TQUEUE(&sc->sc_txtq, NULL);                \
-       }                                                               \
--      ATH_TXBUF_UNLOCK_IRQ(sc);                                       \
-+
-+#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;                                        \
-+      }
-+
-+#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;                                    \
-       }
- /*
-@@ -2498,6 +2531,7 @@
-       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;
-@@ -2519,7 +2553,7 @@
-       /* 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 */
-@@ -2529,7 +2563,7 @@
-                       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
-@@ -2556,8 +2590,9 @@
-                        *     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);
-+                              ATH_TXQ_UNLOCK_BH(txq);
-                               goto hardstart_fail;
-                       }
-                       DPRINTF(sc, ATH_DEBUG_XMIT | ATH_DEBUG_FF,
-@@ -2570,7 +2605,7 @@
-                       TAILQ_INSERT_HEAD(&txq->axq_stageq, bf, bf_stagelist);
--                      ATH_TXQ_UNLOCK(txq);
-+                      ATH_TXQ_UNLOCK_BH(txq);
-                       return 0;
-               }
-@@ -2581,7 +2616,7 @@
-                       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);
-@@ -2611,9 +2646,9 @@
-                       }
-                       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;
-               }
-               /*
-@@ -2623,14 +2658,13 @@
-               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:
-@@ -2638,6 +2672,7 @@
- #else /* ATH_SUPERG_FF */
-       ATH_HARDSTART_GET_TX_BUF_WITH_LOCK;
-+      ATH_HARDSTART_REL_TX_BUF_WITH_TXQLOCK_OFF;
- #endif /* ATH_SUPERG_FF */
-@@ -2659,7 +2694,7 @@
-                *  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);
-@@ -2680,11 +2715,11 @@
-                                       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;
-@@ -2720,7 +2755,7 @@
- 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;
-@@ -2730,7 +2765,7 @@
-                       STAILQ_INSERT_TAIL(&sc->sc_txbuf, tbf, bf_list);
-               }
--              ATH_TXBUF_UNLOCK(sc);
-+              ATH_TXBUF_UNLOCK_BH(sc);
-       }
-       /* free sk_buffs */
-@@ -2773,7 +2808,7 @@
-       /*
-        * 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);
-@@ -2784,7 +2819,7 @@
-               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++;
-@@ -2813,9 +2848,9 @@
-               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;
-@@ -3283,10 +3318,10 @@
+@@ -3315,10 +3329,10 @@
         *
         * XXX Using in_softirq is not right since we might
         * be called from other soft irq contexts than
@@ -345,7 +77,7 @@ diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
        netif_stop_queue(dev);
  }
  
-@@ -3299,7 +3334,7 @@
+@@ -3331,7 +3345,7 @@
        DPRINTF(sc, ATH_DEBUG_KEYCACHE, "%s:\n", __func__);
        netif_start_queue(dev);
        if (!in_softirq())              /* NB: see above */
@@ -354,19 +86,7 @@ diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
  }
  
  /*
-@@ -4866,9 +4901,9 @@
-               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--;
-       }
-@@ -5544,13 +5579,12 @@
+@@ -5586,13 +5600,12 @@
        sc->sc_rxotherant = 0;
  }
  
@@ -382,23 +102,23 @@ diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
        struct ath_buf *bf;
        struct ath_softc *sc = dev->priv;
        struct ieee80211com *ic = &sc->sc_ic;
-@@ -5562,12 +5596,15 @@
-       unsigned int len;
+@@ -5605,12 +5618,15 @@
        int type;
        u_int phyerr;
+       u_int64_t rs_tsf;
 +      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__);
 +process_rx_again:
        do {
                bf = STAILQ_FIRST(&sc->sc_rxbuf);
                if (bf == NULL) {               /* XXX ??? can this happen */
-@@ -5591,6 +5628,13 @@
+@@ -5634,6 +5650,13 @@
                        /* NB: never process the self-linked entry at the end */
                        break;
                }
@@ -411,8 +131,8 @@ diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
 +
                skb = bf->bf_skb;
                if (skb == NULL) {              /* XXX ??? can this happen */
-                       printk("%s: no skbuff (%s)\n", dev->name, __func__);
-@@ -5629,6 +5673,7 @@
+                       printk("%s: no skbuff (%s)\n", DEV_NAME(dev), __func__);
+@@ -5672,6 +5695,7 @@
                                sc->sc_stats.ast_rx_phyerr++;
                                phyerr = rs->rs_phyerr & 0x1f;
                                sc->sc_stats.ast_rx_phy[phyerr]++;
@@ -420,7 +140,7 @@ diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
                        }
                        if (rs->rs_status & HAL_RXERR_DECRYPT) {
                                /*
-@@ -5840,9 +5885,29 @@
+@@ -5889,9 +5913,33 @@
                STAILQ_INSERT_TAIL(&sc->sc_rxbuf, bf, bf_list);
                ATH_RXBUF_UNLOCK_IRQ(sc);
        } while (ath_rxbuf_init(sc, bf) == 0);
@@ -428,6 +148,7 @@ diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
 +              /* Check if more data is received while we were
 +               * processing the descriptor chain.
 +               */
++#ifndef ATH_PRECISE_TSF
 +              ATH_DISABLE_INTR();
 +              if (sc->sc_isr & HAL_INT_RX) {
 +                      sc->sc_isr &= ~HAL_INT_RX;
@@ -435,71 +156,25 @@ diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
 +                      ath_uapsd_processtriggers(sc);
 +                      goto process_rx_again;
 +              }
++#endif
 +              netif_rx_complete(dev);
 +
++#ifndef ATH_PRECISE_TSF
 +              sc->sc_imask |= HAL_INT_RX;
 +              ath_hal_intrset(ah, sc->sc_imask);
 +              ATH_ENABLE_INTR();
++#endif
 +      }
 +
 +      *budget -= processed;
-       
        /* rx signal state monitoring */
        ath_hal_rxmonitor(ah, &sc->sc_halstats, &sc->sc_curchan);
 +      return early_stop;
  #undef PA2DESC
  }
  
-@@ -6118,22 +6183,22 @@
-                               }
-                       }
--                      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);
-@@ -6599,9 +6664,9 @@
-               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
-@@ -7426,9 +7491,6 @@
-                       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
-@@ -7463,11 +7525,22 @@
+@@ -7514,11 +7562,22 @@
        struct net_device *dev = (struct net_device *)data;
        struct ath_softc *sc = dev->priv;
  
@@ -522,7 +197,7 @@ diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
        netif_wake_queue(dev);
  
        if (sc->sc_softled)
-@@ -7484,6 +7557,7 @@
+@@ -7535,6 +7594,7 @@
        struct net_device *dev = (struct net_device *)data;
        struct ath_softc *sc = dev->priv;
  
@@ -530,7 +205,7 @@ diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
        /*
         * Process each active queue.
         */
-@@ -7504,6 +7578,16 @@
+@@ -7555,6 +7615,16 @@
        if (sc->sc_uapsdq && txqactive(sc->sc_ah, sc->sc_uapsdq->axq_qnum))
                ath_tx_processq(sc, sc->sc_uapsdq);
  
@@ -547,7 +222,7 @@ diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
        netif_wake_queue(dev);
  
        if (sc->sc_softled)
-@@ -7521,6 +7605,7 @@
+@@ -7572,6 +7642,7 @@
        unsigned int i;
  
        /* Process each active queue. */
@@ -555,7 +230,7 @@ diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
        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]);
-@@ -7529,6 +7614,16 @@
+@@ -7580,6 +7651,16 @@
                ath_tx_processq(sc, sc->sc_xrtxq);
  #endif
  
@@ -572,7 +247,7 @@ diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
        netif_wake_queue(dev);
  
        if (sc->sc_softled)
-@@ -7627,6 +7722,7 @@
+@@ -7678,6 +7759,7 @@
  ath_draintxq(struct ath_softc *sc)
  {
        struct ath_hal *ah = sc->sc_ah;
@@ -580,7 +255,7 @@ diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
        unsigned int i;
  
        /* XXX return value */
-@@ -9160,9 +9256,9 @@
+@@ -9186,9 +9268,9 @@
        dev->mtu = mtu;
        if ((dev->flags & IFF_RUNNING) && !sc->sc_invalid) {
                /* NB: the rx buffers may need to be reallocated */
@@ -592,13 +267,13 @@ diff -ur madwifi.old/ath/if_ath.c madwifi.dev/ath/if_ath.c
        }
        ATH_UNLOCK(sc);
  
-Only in madwifi.dev/ath: if_ath.c.orig
-diff -ur madwifi.old/ath/if_athvar.h madwifi.dev/ath/if_athvar.h
---- madwifi.old/ath/if_athvar.h        2007-05-31 06:48:28.555526400 +0200
-+++ madwifi.dev/ath/if_athvar.h        2007-05-31 06:48:57.847073408 +0200
-@@ -48,6 +48,10 @@
- #include "if_athioctl.h"
+Index: madwifi-ng-r2568-20070710/ath/if_athvar.h
+===================================================================
+--- madwifi-ng-r2568-20070710.orig/ath/if_athvar.h     2007-07-23 01:48:43.126437804 +0200
++++ madwifi-ng-r2568-20070710/ath/if_athvar.h  2007-07-23 01:48:45.030546315 +0200
+@@ -49,6 +49,10 @@
  #include "net80211/ieee80211.h"               /* XXX for WME_NUM_AC */
+ #include <asm/io.h>
  
 +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
 +#define irqs_disabled()                       0
@@ -607,102 +282,36 @@ diff -ur madwifi.old/ath/if_athvar.h madwifi.dev/ath/if_athvar.h
  /*
   * 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);
-@@ -624,7 +632,6 @@
+@@ -635,7 +639,6 @@
        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*/
-@@ -637,6 +644,7 @@
+       u_int8_t sc_rxotherant;                 /* RXs on non-default antenna */
+@@ -648,6 +651,7 @@
        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 */
-@@ -703,8 +711,12 @@
- #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);
-@@ -722,8 +734,12 @@
- #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);
-@@ -733,6 +749,8 @@
- #define       ATH_RXBUF_UNLOCK_IRQ_EARLY(_sc)         \
-       spin_unlock_irqrestore(&(_sc)->sc_rxbuflock, __rxbuflockflags);
+@@ -720,6 +724,8 @@
+ #define       ATH_TXBUF_LOCK_ASSERT(_sc) \
+       KASSERT(spin_is_locked(&(_sc)->sc_txbuflock), ("txbuf not locked!"))
  
 +#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)
-Only in madwifi.dev/ath: if_athvar.h.orig
-diff -ur madwifi.old/net80211/ieee80211_beacon.c madwifi.dev/net80211/ieee80211_beacon.c
---- madwifi.old/net80211/ieee80211_beacon.c    2007-05-31 06:48:28.555526400 +0200
-+++ madwifi.dev/net80211/ieee80211_beacon.c    2007-05-31 06:48:57.847073408 +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 -ur madwifi.old/net80211/ieee80211_input.c madwifi.dev/net80211/ieee80211_input.c
---- madwifi.old/net80211/ieee80211_input.c     2007-05-31 06:48:28.557526096 +0200
-+++ madwifi.dev/net80211/ieee80211_input.c     2007-05-31 06:48:57.849073104 +0200
-@@ -1169,8 +1169,9 @@
+ #define       ATH_RXBUF_LOCK_INIT(_sc)        spin_lock_init(&(_sc)->sc_rxbuflock)
+ #define       ATH_RXBUF_LOCK_DESTROY(_sc)
+Index: madwifi-ng-r2568-20070710/net80211/ieee80211_input.c
+===================================================================
+--- madwifi-ng-r2568-20070710.orig/net80211/ieee80211_input.c  2007-07-23 01:48:44.214499810 +0200
++++ madwifi-ng-r2568-20070710/net80211/ieee80211_input.c       2007-07-23 01:48:45.030546315 +0200
+@@ -1128,8 +1128,9 @@
                if (ni->ni_vlan != 0 && vap->iv_vlgrp != NULL) {
                        /* attach vlan tag */
                        vlan_hwaccel_receive_skb(skb, vap->iv_vlgrp, ni->ni_vlan);
@@ -714,317 +323,3 @@ diff -ur madwifi.old/net80211/ieee80211_input.c madwifi.dev/net80211/ieee80211_i
                dev->last_rx = jiffies;
        }
  }
-@@ -3675,9 +3676,9 @@
-       }
-       /* 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");
-Only in madwifi.dev/net80211: ieee80211_input.c.orig
-diff -ur madwifi.old/net80211/ieee80211_linux.h madwifi.dev/net80211/ieee80211_linux.h
---- madwifi.old/net80211/ieee80211_linux.h     2007-05-24 19:31:37.000000000 +0200
-+++ madwifi.dev/net80211/ieee80211_linux.h     2007-05-31 06:48:57.849073104 +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 -ur madwifi.old/net80211/ieee80211_node.c madwifi.dev/net80211/ieee80211_node.c
---- madwifi.old/net80211/ieee80211_node.c      2007-05-31 06:48:28.558525944 +0200
-+++ madwifi.dev/net80211/ieee80211_node.c      2007-05-31 06:48:57.868070216 +0200
-@@ -1584,7 +1584,7 @@
-       struct ieee80211_node *ni;
-       u_int gen;
--      IEEE80211_SCAN_LOCK_IRQ(nt);
-+      IEEE80211_SCAN_LOCK_BH(nt);
-       gen = ++nt->nt_scangen;
-       
- restart:
-@@ -1604,7 +1604,7 @@
-       }
-       IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
--      IEEE80211_SCAN_UNLOCK_IRQ(nt);
-+      IEEE80211_SCAN_UNLOCK_BH(nt);
- }
- EXPORT_SYMBOL(ieee80211_iterate_dev_nodes);
-Only in madwifi.dev/net80211: ieee80211_node.c.orig
-diff -ur madwifi.old/net80211/ieee80211_power.c madwifi.dev/net80211/ieee80211_power.c
---- madwifi.old/net80211/ieee80211_power.c     2007-05-24 19:31:37.000000000 +0200
-+++ madwifi.dev/net80211/ieee80211_power.c     2007-05-31 06:48:57.868070216 +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);
- }
- /*
-@@ -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 -ur madwifi.old/net80211/ieee80211_proto.c madwifi.dev/net80211/ieee80211_proto.c
---- madwifi.old/net80211/ieee80211_proto.c     2007-05-31 06:48:28.564525032 +0200
-+++ madwifi.dev/net80211/ieee80211_proto.c     2007-05-31 06:48:57.869070064 +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 -ur madwifi.old/net80211/ieee80211_scan_sta.c madwifi.dev/net80211/ieee80211_scan_sta.c
---- madwifi.old/net80211/ieee80211_scan_sta.c  2007-05-21 17:53:39.000000000 +0200
-+++ madwifi.dev/net80211/ieee80211_scan_sta.c  2007-05-31 06:48:57.870069912 +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;
- }