summaryrefslogtreecommitdiff
path: root/package/madwifi/patches/300-napi_polling.patch
blob: d5c2dfc5439a2a2cf59f1cebce3fc14171ea01eb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
diff -urN madwifi-ng-refcount-r2313-20070505.old/ath/if_ath.c madwifi-ng-refcount-r2313-20070505.dev/ath/if_ath.c
--- madwifi-ng-refcount-r2313-20070505.old/ath/if_ath.c	2007-05-13 18:17:56.576968032 +0200
+++ madwifi-ng-refcount-r2313-20070505.dev/ath/if_ath.c	2007-05-13 18:17:56.594965296 +0200
@@ -170,7 +170,7 @@
 	int, u_int32_t);
 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 int ath_rx_poll(struct net_device *dev, int *budget);
 static int ath_hardstart(struct sk_buff *, struct net_device *);
 static int ath_mgtstart(struct ieee80211com *, struct sk_buff *);
 #ifdef ATH_SUPERG_COMP
@@ -420,7 +420,6 @@
 	ATH_TXBUF_LOCK_INIT(sc);
 	ATH_RXBUF_LOCK_INIT(sc);
 
-	ATH_INIT_TQUEUE(&sc->sc_rxtq,     ath_rx_tasklet,	dev);
 	ATH_INIT_TQUEUE(&sc->sc_txtq,	  ath_tx_tasklet,	dev);
 	ATH_INIT_TQUEUE(&sc->sc_bmisstq,  ath_bmiss_tasklet,	dev);
 	ATH_INIT_TQUEUE(&sc->sc_bstucktq, ath_bstuck_tasklet,	dev);
@@ -674,6 +673,8 @@
 	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->poll = ath_rx_poll;
+	dev->weight = 64;
 #ifdef USE_HEADERLEN_RESV
 	dev->hard_header_len += sizeof(struct ieee80211_qosframe) +
 				sizeof(struct llc) +
@@ -1645,6 +1646,7 @@
 	 */
 	ath_hal_getisr(ah, &status);		/* NB: clears ISR too */
 	DPRINTF(sc, ATH_DEBUG_INTR, "%s: status 0x%x\n", __func__, status);
+	sc->sc_isr = status;
 	status &= sc->sc_imask;			/* discard unasked for bits */
 	if (status & HAL_INT_FATAL) {
 		sc->sc_stats.ast_hardware++;
@@ -1684,7 +1686,12 @@
 			 * might take too long to fire */
 			ath_hal_process_noisefloor(ah);
 			sc->sc_channoise = ath_hal_get_channel_noise(ah, &(sc->sc_curchan));
-			ATH_SCHEDULE_TQUEUE(&sc->sc_rxtq, &needmark);
+			sc->sc_isr &= ~HAL_INT_RX;
+			if (netif_rx_schedule_prep(dev)) {
+				sc->sc_imask &= ~HAL_INT_RX;
+				ath_hal_intrset(ah, sc->sc_imask);
+				__netif_rx_schedule(dev);
+			}
 		}
 		if (status & HAL_INT_TX) {
 #ifdef ATH_SUPERG_DYNTURBO
@@ -1710,6 +1717,11 @@
 				}
 			} 
 #endif
+			/* disable transmit interrupt */
+			sc->sc_isr &= ~HAL_INT_TX;
+			ath_hal_intrset(ah, sc->sc_imask & ~HAL_INT_TX);
+			sc->sc_imask &= ~HAL_INT_TX;
+
 			ATH_SCHEDULE_TQUEUE(&sc->sc_txtq, &needmark);
 			sc->sc_tx_start = 0;
 		}
@@ -2221,12 +2233,13 @@
 	 * Insert the frame on the outbound list and
 	 * pass it on to the hardware.
 	 */
-	ATH_TXQ_LOCK(txq);
+	ATH_TXQ_LOCK_BH(txq);
 	if (ni && ni->ni_vap && txq == &ATH_VAP(ni->ni_vap)->av_mcastq) {
 		/*
 		 * The CAB queue is started from the SWBA handler since
 		 * frames only go out on DTIM and to avoid possible races.
 		 */
+		sc->sc_imask &= ~HAL_INT_SWBA;
 		ath_hal_intrset(ah, sc->sc_imask & ~HAL_INT_SWBA);
 		ATH_TXQ_INSERT_TAIL(txq, bf, bf_list);
 		DPRINTF(sc, ATH_DEBUG_TX_PROC, "%s: txq depth = %d\n", __func__, txq->axq_depth);
@@ -2242,6 +2255,7 @@
 				ito64(bf->bf_daddr), bf->bf_desc);
 		}
 		txq->axq_link = &lastds->ds_link;
+		sc->sc_imask |= HAL_INT_SWBA;
 		ath_hal_intrset(ah, sc->sc_imask);
 	} else {
 		ATH_TXQ_INSERT_TAIL(txq, bf, bf_list);
@@ -2275,7 +2289,7 @@
 			sc->sc_tx_start = jiffies;
 		}
 	}
-	ATH_TXQ_UNLOCK(txq);
+	ATH_TXQ_UNLOCK_BH(txq);
 
 	sc->sc_devstats.tx_packets++;
 	sc->sc_devstats.tx_bytes += framelen;
@@ -2426,8 +2440,14 @@
 	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)) {
@@ -2441,7 +2461,7 @@
 		ATH_NODE(ni)->an_tx_ffbuf[bf_ff->bf_skb->priority] = NULL;
 		TAILQ_REMOVE(&txq->axq_stageq, bf_ff, bf_stagelist);
 
-		ATH_TXQ_UNLOCK(txq);
+		ATH_TXQ_UNLOCK_BH(txq);
 
 		/* encap and xmit */
 		bf_ff->bf_skb = ieee80211_encap(ni, bf_ff->bf_skb, &framecnt);
@@ -2462,15 +2482,16 @@
 		}
 		bf_ff->bf_node = NULL;
 
-		ATH_TXBUF_LOCK_IRQ(sc);
+		ATH_TXBUF_LOCK_BH(sc);
 		STAILQ_INSERT_TAIL(&sc->sc_txbuf, bf_ff, bf_list);
-		ATH_TXBUF_UNLOCK_IRQ(sc);
+		ATH_TXBUF_UNLOCK_BH(sc);
 	}
+	ATH_TXQ_UNLOCK_BH(txq);
 }
 #endif
 
 #define ATH_HARDSTART_GET_TX_BUF_WITH_LOCK				\
-	ATH_TXBUF_LOCK_IRQ(sc);						\
+	ATH_TXBUF_LOCK_BH(sc);						\
 	bf = STAILQ_FIRST(&sc->sc_txbuf);				\
 	if (bf != NULL) {						\
 		STAILQ_REMOVE_HEAD(&sc->sc_txbuf, bf_list);		\
@@ -2485,10 +2506,21 @@
 		sc->sc_devstopped = 1;					\
 		ATH_SCHEDULE_TQUEUE(&sc->sc_txtq, NULL); 		\
 	}								\
-	ATH_TXBUF_UNLOCK_IRQ(sc);					\
+
+#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;					\
 	}
@@ -2552,6 +2584,7 @@
 	if (M_FLAG_GET(skb, M_UAPSD)) {
 		/* bypass FF handling */
 		ATH_HARDSTART_GET_TX_BUF_WITH_LOCK;
+		ATH_HARDSTART_REL_TX_BUF_WITH_TXQLOCK_OFF;
 		if (bf == NULL)
 			goto hardstart_fail;
 		goto ff_bypass;
@@ -2573,7 +2606,7 @@
 	/* NB: use this lock to protect an->an_ff_txbuf in athff_can_aggregate()
 	 *     call too.
 	 */
-	ATH_TXQ_LOCK(txq);
+	ATH_TXQ_LOCK_BH(txq);
 	if (athff_can_aggregate(sc, eh, an, skb, vap->iv_fragthreshold, &ff_flush)) {
 
 		if (an->an_tx_ffbuf[skb->priority]) { /* i.e., frame on the staging queue */
@@ -2583,7 +2616,7 @@
 			TAILQ_REMOVE(&txq->axq_stageq, bf, bf_stagelist);
 			an->an_tx_ffbuf[skb->priority] = NULL;
 
-			ATH_TXQ_UNLOCK(txq);
+			ATH_TXQ_UNLOCK_BH(txq);
 
 			/*
 			 * chain skbs and add FF magic
@@ -2610,6 +2643,7 @@
 			 *     to give the buffer back.
 			 */
 			ATH_HARDSTART_GET_TX_BUF_WITH_LOCK;
+			ATH_HARDSTART_REL_TX_BUF_WITH_TXQLOCK_ON;
 			if (bf == NULL) {
 				ATH_TXQ_UNLOCK(txq);
 				goto hardstart_fail;
@@ -2624,7 +2658,7 @@
 
 			TAILQ_INSERT_HEAD(&txq->axq_stageq, bf, bf_stagelist);
 
-			ATH_TXQ_UNLOCK(txq);
+			ATH_TXQ_UNLOCK_BH(txq);
 
 			return 0;
 		}
@@ -2635,7 +2669,7 @@
 			TAILQ_REMOVE(&txq->axq_stageq, bf_ff, bf_stagelist);
 			an->an_tx_ffbuf[skb->priority] = NULL;
 
-			ATH_TXQ_UNLOCK(txq);
+			ATH_TXQ_UNLOCK_BH(txq);
 
 			/* encap and xmit */
 			bf_ff->bf_skb = ieee80211_encap(ni, bf_ff->bf_skb, &framecnt);
@@ -2665,9 +2699,9 @@
 			}
 			bf_ff->bf_node = NULL;
 
-			ATH_TXBUF_LOCK(sc);
+			ATH_TXBUF_LOCK_BH(sc);
 			STAILQ_INSERT_TAIL(&sc->sc_txbuf, bf_ff, bf_list);
-			ATH_TXBUF_UNLOCK(sc);
+			ATH_TXBUF_UNLOCK_BH(sc);
 			goto ff_flushdone;
 		}
 		/*
@@ -2691,6 +2725,7 @@
 #else /* ATH_SUPERG_FF */
 
 	ATH_HARDSTART_GET_TX_BUF_WITH_LOCK;
+	ATH_HARDSTART_REL_TX_BUF_WITH_TXQLOCK_OFF;
 
 #endif /* ATH_SUPERG_FF */
 
@@ -2712,7 +2747,7 @@
 		 *  Allocate 1 ath_buf for each frame given 1 was 
 		 *  already alloc'd
 		 */
-		ATH_TXBUF_LOCK(sc);
+		ATH_TXBUF_LOCK_BH(sc);
 		for (bfcnt = 1; bfcnt < framecnt; ++bfcnt) {
 			if ((tbf = STAILQ_FIRST(&sc->sc_txbuf)) != NULL) {
 				STAILQ_REMOVE_HEAD(&sc->sc_txbuf, bf_list);
@@ -2733,11 +2768,11 @@
 					STAILQ_INSERT_TAIL(&sc->sc_txbuf, tbf, bf_list);
 				}
 			}
-			ATH_TXBUF_UNLOCK(sc);
+			ATH_TXBUF_UNLOCK_BH(sc);
 			STAILQ_INIT(&bf_head);
 			goto hardstart_fail;
 		}
-		ATH_TXBUF_UNLOCK(sc);
+		ATH_TXBUF_UNLOCK_BH(sc);
 
 		while ((bf = STAILQ_FIRST(&bf_head)) != NULL && skb != NULL) {
 			unsigned int nextfraglen = 0;
@@ -2773,7 +2808,7 @@
 
 hardstart_fail:
 	if (!STAILQ_EMPTY(&bf_head)) {
-		ATH_TXBUF_LOCK(sc);
+		ATH_TXBUF_LOCK_BH(sc);
 		STAILQ_FOREACH_SAFE(tbf, &bf_head, bf_list, tempbf) {
 			tbf->bf_skb = NULL;
 			tbf->bf_node = NULL;
@@ -2783,7 +2818,7 @@
 
 			STAILQ_INSERT_TAIL(&sc->sc_txbuf, tbf, bf_list);
 		}
-		ATH_TXBUF_UNLOCK(sc);
+		ATH_TXBUF_UNLOCK_BH(sc);
 	}
 
 	/* free sk_buffs */
@@ -2826,7 +2861,7 @@
 	/*
 	 * Grab a TX buffer and associated resources.
 	 */
-	ATH_TXBUF_LOCK_IRQ(sc);
+	ATH_TXBUF_LOCK_BH(sc);
 	bf = STAILQ_FIRST(&sc->sc_txbuf);
 	if (bf != NULL)
 		STAILQ_REMOVE_HEAD(&sc->sc_txbuf, bf_list);
@@ -2837,7 +2872,7 @@
 		sc->sc_devstopped=1;
 		ATH_SCHEDULE_TQUEUE(&sc->sc_txtq, NULL);
 	}
-	ATH_TXBUF_UNLOCK_IRQ(sc);
+	ATH_TXBUF_UNLOCK_BH(sc);
 	if (bf == NULL) {
 		printk("ath_mgtstart: discard, no xmit buf\n");
 		sc->sc_stats.ast_tx_nobufmgt++;
@@ -2866,9 +2901,9 @@
 		bf->bf_skb = NULL;
 		bf->bf_node = NULL;
 
-		ATH_TXBUF_LOCK_IRQ(sc);
+		ATH_TXBUF_LOCK_BH(sc);
 		STAILQ_INSERT_TAIL(&sc->sc_txbuf, bf, bf_list);
-		ATH_TXBUF_UNLOCK_IRQ(sc);
+		ATH_TXBUF_UNLOCK_BH(sc);
 	}
 	dev_kfree_skb_any(skb);
 	skb = NULL;
@@ -3336,10 +3371,10 @@
 	 *
 	 * XXX Using in_softirq is not right since we might
 	 * be called from other soft irq contexts than
-	 * ath_rx_tasklet.
+	 * ath_rx_poll
 	 */
 	if (!in_softirq())
-		tasklet_disable(&sc->sc_rxtq);
+		netif_poll_disable(dev);
 	netif_stop_queue(dev);
 }
 
@@ -3352,7 +3387,7 @@
 	DPRINTF(sc, ATH_DEBUG_KEYCACHE, "%s:\n", __func__);
 	netif_start_queue(dev);
 	if (!in_softirq())		/* NB: see above */
-		tasklet_enable(&sc->sc_rxtq);
+		netif_poll_enable(dev);
 }
 
 /*
@@ -4912,9 +4947,9 @@
 		bf->bf_node = NULL;
 		bf->bf_desc->ds_link = 0;
 		
-		ATH_TXBUF_LOCK_IRQ(sc);
+		ATH_TXBUF_LOCK_BH(sc);
 		STAILQ_INSERT_TAIL(&sc->sc_txbuf, bf, bf_list);
-		ATH_TXBUF_UNLOCK_IRQ(sc);
+		ATH_TXBUF_UNLOCK_BH(sc);
 
 		an->an_uapsd_overflowqdepth--;
 	}
@@ -5585,13 +5620,12 @@
 	sc->sc_rxotherant = 0;
 }
 
-static void
-ath_rx_tasklet(TQUEUE_ARG data)
+static int
+ath_rx_poll(struct net_device *dev, int *budget)
 {
 #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_softc *sc = dev->priv;
 	struct ieee80211com *ic = &sc->sc_ic;
@@ -5602,11 +5636,15 @@
 	unsigned int len;
 	int type;
 	u_int phyerr;
+	int processed = 0, early_stop = 0;
+	int rx_limit = dev->quota;
 
 	/* Let the 802.11 layer know about the new noise floor */
 	ic->ic_channoise = sc->sc_channoise;
 	
 	DPRINTF(sc, ATH_DEBUG_RX_PROC, "%s\n", __func__);
+
+process_rx_again:
 	do {
 		bf = STAILQ_FIRST(&sc->sc_rxbuf);
 		if (bf == NULL) {		/* XXX ??? can this happen */
@@ -5630,6 +5668,13 @@
 			/* NB: never process the self-linked entry at the end */
 			break;
 		}
+
+		processed++;
+		if (rx_limit-- < 0) {
+			early_stop = 1;
+			break;
+		}
+
 		skb = bf->bf_skb;
 		if (skb == NULL) {		/* XXX ??? can this happen */
 			printk("%s: no skbuff (%s)\n", dev->name, __func__);
@@ -5878,6 +5923,25 @@
 		STAILQ_INSERT_TAIL(&sc->sc_rxbuf, bf, bf_list);
 		ATH_RXBUF_UNLOCK_IRQ(sc);
 	} while (ath_rxbuf_init(sc, bf) == 0);
+	if (!early_stop) {
+		/* Check if more data is received while we were
+		 * processing the descriptor chain.
+		 */
+		ATH_DISABLE_INTR();
+		if (sc->sc_isr & HAL_INT_RX) {
+			sc->sc_isr &= ~HAL_INT_RX;
+			ATH_ENABLE_INTR();
+			ath_uapsd_processtriggers(sc);
+			goto process_rx_again;
+		}
+		netif_rx_complete(dev);
+
+		sc->sc_imask |= HAL_INT_RX;
+		ath_hal_intrset(ah, sc->sc_imask);
+		ATH_ENABLE_INTR();
+	}
+
+	*budget -= processed;
 	
 	/* rx signal state monitoring */
 	ath_hal_rxmonitor(ah, &sc->sc_halstats, &sc->sc_curchan);
@@ -5885,6 +5949,7 @@
 		sc->sc_rtasksched = 1;
 		schedule_work(&sc->sc_radartask);
 	}
+	return early_stop;
 #undef PA2DESC
 }
 
@@ -6160,22 +6225,22 @@
 				}
 			}
 
-			ATH_TXBUF_LOCK_IRQ(sc);					
+			ATH_TXBUF_LOCK_BH(sc);					
 			bf = STAILQ_FIRST(&sc->sc_grppollbuf);
 			if (bf != NULL)
 				STAILQ_REMOVE_HEAD(&sc->sc_grppollbuf, bf_list);
 			else {
 				DPRINTF(sc, ATH_DEBUG_XMIT, "%s: No more TxBufs\n", __func__);
-				ATH_TXBUF_UNLOCK_IRQ_EARLY(sc);
+				ATH_TXBUF_UNLOCK_BH(sc);
 				return;
 			}
 			/* XXX use a counter and leave at least one for mgmt frames */
 			if (STAILQ_EMPTY(&sc->sc_grppollbuf)) {				
 				DPRINTF(sc, ATH_DEBUG_XMIT, "%s: No more TxBufs left\n", __func__);
-				ATH_TXBUF_UNLOCK_IRQ_EARLY(sc);
+				ATH_TXBUF_UNLOCK_BH(sc);
 				return;
 			}					
-			ATH_TXBUF_UNLOCK_IRQ(sc);
+			ATH_TXBUF_UNLOCK_BH(sc);
 
 			bf->bf_skbaddr = bus_map_single(sc->sc_bdev,
 				skb->data, skb->len, BUS_DMA_TODEVICE);
@@ -6641,9 +6706,9 @@
 		dev_kfree_skb(lastbuf->bf_skb);
 		lastbuf->bf_skb = NULL;
 		ieee80211_unref_node(&lastbuf->bf_node);
-		ATH_TXBUF_LOCK_IRQ(sc);
+		ATH_TXBUF_LOCK_BH(sc);
 		STAILQ_INSERT_TAIL(&sc->sc_txbuf, lastbuf, bf_list);
-		ATH_TXBUF_UNLOCK_IRQ(sc);
+		ATH_TXBUF_UNLOCK_BH(sc);
 		
 		/*
 		 *  move oldest from overflow to delivery
@@ -7462,9 +7527,6 @@
 			if (sc->sc_reapcount > ATH_TXBUF_FREE_THRESHOLD) {
 				if (!sc->sc_dfswait)
 					netif_start_queue(sc->sc_dev);
-				DPRINTF(sc, ATH_DEBUG_TX_PROC,
-					"%s: tx tasklet restart the queue\n",
-					__func__);
 				sc->sc_reapcount = 0;
 				sc->sc_devstopped = 0;
 			} else
@@ -7499,11 +7561,22 @@
 	struct net_device *dev = (struct net_device *)data;
 	struct ath_softc *sc = dev->priv;
 
+process_tx_again:
 	if (txqactive(sc->sc_ah, 0))
 		ath_tx_processq(sc, &sc->sc_txq[0]);
 	if (txqactive(sc->sc_ah, sc->sc_cabq->axq_qnum))
 		ath_tx_processq(sc, sc->sc_cabq);
 
+	ATH_DISABLE_INTR();
+	if (sc->sc_isr & HAL_INT_TX) {
+		sc->sc_isr &= ~HAL_INT_TX;
+		ATH_ENABLE_INTR();
+		goto process_tx_again;
+	}
+	sc->sc_imask |= HAL_INT_TX;
+	ath_hal_intrset(sc->sc_ah, sc->sc_imask);
+	ATH_ENABLE_INTR();
+
 	netif_wake_queue(dev);
 
 	if (sc->sc_softled)
@@ -7520,6 +7593,7 @@
 	struct net_device *dev = (struct net_device *)data;
 	struct ath_softc *sc = dev->priv;
 
+process_tx_again:
 	/*
 	 * Process each active queue.
 	 */
@@ -7540,6 +7614,16 @@
 	if (sc->sc_uapsdq && txqactive(sc->sc_ah, sc->sc_uapsdq->axq_qnum))
 		ath_tx_processq(sc, sc->sc_uapsdq);
 
+	ATH_DISABLE_INTR();
+	if (sc->sc_isr & HAL_INT_TX) {
+		sc->sc_isr &= ~HAL_INT_TX;
+		ATH_ENABLE_INTR();
+		goto process_tx_again;
+	}
+	sc->sc_imask |= HAL_INT_TX;
+	ath_hal_intrset(sc->sc_ah, sc->sc_imask);
+	ATH_ENABLE_INTR();
+
 	netif_wake_queue(dev);
 
 	if (sc->sc_softled)
@@ -7557,6 +7641,7 @@
 	unsigned int i;
 
 	/* Process each active queue. */
+process_tx_again:
 	for (i = 0; i < HAL_NUM_TX_QUEUES; i++)
 		if (ATH_TXQ_SETUP(sc, i) && txqactive(sc->sc_ah, i))
 			ath_tx_processq(sc, &sc->sc_txq[i]);
@@ -7565,6 +7650,16 @@
 		ath_tx_processq(sc, sc->sc_xrtxq);
 #endif
 
+	ATH_DISABLE_INTR();
+	if (sc->sc_isr & HAL_INT_TX) {
+		sc->sc_isr &= ~HAL_INT_TX;
+		ATH_ENABLE_INTR();
+		goto process_tx_again;
+	}
+	sc->sc_imask |= HAL_INT_TX;
+	ath_hal_intrset(sc->sc_ah, sc->sc_imask);
+	ATH_ENABLE_INTR();
+
 	netif_wake_queue(dev);
 
 	if (sc->sc_softled)
@@ -9221,9 +9316,9 @@
 	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);
 		error = ath_reset(dev);
-		tasklet_enable(&sc->sc_rxtq);
+		netif_poll_enable(dev);
 	}
 	ATH_UNLOCK(sc);
 
diff -urN madwifi-ng-refcount-r2313-20070505.old/ath/if_athvar.h madwifi-ng-refcount-r2313-20070505.dev/ath/if_athvar.h
--- madwifi-ng-refcount-r2313-20070505.old/ath/if_athvar.h	2007-05-13 18:17:56.363000560 +0200
+++ madwifi-ng-refcount-r2313-20070505.dev/ath/if_athvar.h	2007-05-13 18:17:56.595965144 +0200
@@ -47,6 +47,10 @@
 #include "if_athioctl.h"
 #include "net80211/ieee80211.h"		/* XXX for WME_NUM_AC */
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
+#define irqs_disabled()			0
+#endif
+
 /*
  * Deduce if tasklets are available.  If not then
  * fall back to using the immediate work queue.
@@ -477,8 +481,12 @@
 #define	ATH_TXQ_LOCK_DESTROY(_tq)	
 #define	ATH_TXQ_LOCK(_tq)		spin_lock(&(_tq)->axq_lock)
 #define	ATH_TXQ_UNLOCK(_tq)		spin_unlock(&(_tq)->axq_lock)
-#define	ATH_TXQ_LOCK_BH(_tq)		spin_lock_bh(&(_tq)->axq_lock)
-#define	ATH_TXQ_UNLOCK_BH(_tq)		spin_unlock_bh(&(_tq)->axq_lock)
+#define	ATH_TXQ_LOCK_BH(_tq) \
+	if (!irqs_disabled()) \
+		spin_lock_bh(&(_tq)->axq_lock)
+#define	ATH_TXQ_UNLOCK_BH(_tq) \
+	if (!irqs_disabled()) \
+		spin_unlock_bh(&(_tq)->axq_lock)
 #define ATH_TXQ_LOCK_IRQ(_tq)		do {	\
 	unsigned long __axq_lockflags;		\
 	spin_lock_irqsave(&(_tq)->axq_lock, __axq_lockflags);
@@ -627,7 +635,6 @@
 	struct ath_buf *sc_rxbufcur;		/* current rx buffer */
 	u_int32_t *sc_rxlink;			/* link ptr in last RX desc */
 	spinlock_t sc_rxbuflock; 
-	struct ATH_TQ_STRUCT sc_rxtq;		/* rx intr tasklet */
 	struct ATH_TQ_STRUCT sc_rxorntq;	/* rxorn intr tasklet */
 	u_int8_t sc_defant;			/* current default antenna */
 	u_int8_t sc_rxotherant;			/* rx's on non-default antenna*/
@@ -640,6 +647,7 @@
 	u_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 */ 
+	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];  
 	struct ath_descdma sc_bdma;		/* beacon descriptors */
@@ -706,8 +714,12 @@
 #define	ATH_TXBUF_LOCK_DESTROY(_sc)
 #define	ATH_TXBUF_LOCK(_sc)		spin_lock(&(_sc)->sc_txbuflock)
 #define	ATH_TXBUF_UNLOCK(_sc)		spin_unlock(&(_sc)->sc_txbuflock)
-#define	ATH_TXBUF_LOCK_BH(_sc)		spin_lock_bh(&(_sc)->sc_txbuflock)
-#define	ATH_TXBUF_UNLOCK_BH(_sc)	spin_unlock_bh(&(_sc)->sc_txbuflock)
+#define	ATH_TXBUF_LOCK_BH(_sc) \
+	if (!irqs_disabled()) \
+		spin_lock_bh(&(_sc)->sc_txbuflock)
+#define	ATH_TXBUF_UNLOCK_BH(_sc) \
+	if (!irqs_disabled()) \
+		spin_unlock_bh(&(_sc)->sc_txbuflock)
 #define	ATH_TXBUF_LOCK_IRQ(_sc)		do {	\
 	unsigned long __txbuflockflags;		\
 	spin_lock_irqsave(&(_sc)->sc_txbuflock, __txbuflockflags);
@@ -725,8 +737,12 @@
 #define	ATH_RXBUF_LOCK_DESTROY(_sc)
 #define	ATH_RXBUF_LOCK(_sc)		spin_lock(&(_sc)->sc_rxbuflock)
 #define	ATH_RXBUF_UNLOCK(_sc)		spin_unlock(&(_sc)->sc_rxbuflock)
-#define	ATH_RXBUF_LOCK_BH(_sc)		spin_lock_bh(&(_sc)->sc_rxbuflock)
-#define	ATH_RXBUF_UNLOCK_BH(_sc)	spin_unlock_bh(&(_sc)->sc_rxbuflock)
+#define	ATH_RXBUF_LOCK_BH(_sc) \
+	if (!irqs_disabled()) \
+		spin_lock_bh(&(_sc)->sc_rxbuflock)
+#define	ATH_RXBUF_UNLOCK_BH(_sc) \
+	if (!irqs_disabled()) \
+		spin_unlock_bh(&(_sc)->sc_rxbuflock)
 #define	ATH_RXBUF_LOCK_IRQ(_sc)		do {	\
 	unsigned long __rxbuflockflags;		\
 	spin_lock_irqsave(&(_sc)->sc_rxbuflock, __rxbuflockflags);
@@ -736,6 +752,8 @@
 #define	ATH_RXBUF_UNLOCK_IRQ_EARLY(_sc)		\
 	spin_unlock_irqrestore(&(_sc)->sc_rxbuflock, __rxbuflockflags);
 
+#define ATH_DISABLE_INTR		local_irq_disable
+#define ATH_ENABLE_INTR 		local_irq_enable
 
 /* Protects the device from concurrent accesses */
 #define	ATH_LOCK_INIT(_sc)		init_MUTEX(&(_sc)->sc_lock)
diff -urN madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_beacon.c madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_beacon.c
--- madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_beacon.c	2007-01-30 05:01:29.000000000 +0100
+++ madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_beacon.c	2007-05-13 18:17:56.596964992 +0200
@@ -286,7 +286,7 @@
 	int len_changed = 0;
 	u_int16_t capinfo;
 
-	IEEE80211_LOCK(ic);
+	IEEE80211_BEACON_LOCK(ic);
 
 	if ((ic->ic_flags & IEEE80211_F_DOTH) &&
 	    (vap->iv_flags & IEEE80211_F_CHANSWITCH) &&
@@ -547,7 +547,7 @@
 		vap->iv_flags_ext &= ~IEEE80211_FEXT_APPIE_UPDATE;
 	}
 
-	IEEE80211_UNLOCK(ic);
+	IEEE80211_BEACON_UNLOCK(ic);
 
 	return len_changed;
 }
diff -urN madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_input.c madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_input.c
--- madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_input.c	2007-05-13 18:17:56.106039624 +0200
+++ madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_input.c	2007-05-13 18:17:56.597964840 +0200
@@ -1148,8 +1148,9 @@
 		if (ni->ni_vlan != 0 && vap->iv_vlgrp != NULL) {
 			/* 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;
 	}
 }
@@ -3623,9 +3624,9 @@
 	}
 
 	/* Okay, take the first queued packet and put it out... */
-	IEEE80211_NODE_SAVEQ_LOCK(ni);
+	IEEE80211_NODE_SAVEQ_LOCK_IRQ(ni);
 	IEEE80211_NODE_SAVEQ_DEQUEUE(ni, skb, qlen);
-	IEEE80211_NODE_SAVEQ_UNLOCK(ni);
+	IEEE80211_NODE_SAVEQ_UNLOCK_IRQ(ni);
 	if (skb == NULL) {
 		IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_POWER, wh->i_addr2,
 			"%s", "recv ps-poll, but queue empty");
diff -urN madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_linux.h madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_linux.h
--- madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_linux.h	2007-05-04 02:10:06.000000000 +0200
+++ madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_linux.h	2007-05-13 18:17:56.598964688 +0200
@@ -31,6 +31,10 @@
 
 #include <linux/wireless.h>
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
+#define irqs_disabled()			0
+#endif
+
 /*
  * Task deferral
  *
@@ -86,8 +90,12 @@
 } while (0)
 #define	IEEE80211_UNLOCK_IRQ_EARLY(_ic)					\
 	spin_unlock_irqrestore(&(_ic)->ic_comlock, __ilockflags);
-#define IEEE80211_LOCK_BH(_ic)	spin_lock_bh(&(_ic)->ic_comlock)
-#define IEEE80211_UNLOCK_BH(_ic) spin_unlock_bh(&(_ic)->ic_comlock)
+#define IEEE80211_LOCK_BH(_ic)	\
+	if (!irqs_disabled()) \
+		spin_lock_bh(&(_ic)->ic_comlock)
+#define IEEE80211_UNLOCK_BH(_ic) \
+	if (!irqs_disabled()) \
+		spin_unlock_bh(&(_ic)->ic_comlock)
 #define IEEE80211_LOCK(_ic)	spin_lock(&(_ic)->ic_comlock)
 #define IEEE80211_UNLOCK(_ic)	spin_unlock(&(_ic)->ic_comlock)
 
@@ -104,15 +112,22 @@
 #define IEEE80211_VAPS_LOCK_DESTROY(_ic)
 #define IEEE80211_VAPS_LOCK(_ic)	spin_lock(&(_ic)->ic_vapslock);
 #define IEEE80211_VAPS_UNLOCK(_ic)	spin_unlock(&(_ic)->ic_vapslock);
-#define IEEE80211_VAPS_LOCK_BH(_ic)	spin_lock_bh(&(_ic)->ic_vapslock);
-#define IEEE80211_VAPS_UNLOCK_BH(_ic)	spin_unlock_bh(&(_ic)->ic_vapslock);
-#define IEEE80211_VAPS_LOCK_IRQ(_ic)	do {	\
-	int _vaps_lockflags;			\
-	spin_lock_irqsave(&(_ic)->ic_vapslock, _vaps_lockflags);
-#define IEEE80211_VAPS_UNLOCK_IRQ(_ic)	\
-	spin_unlock_irqrestore(&(_ic)->ic_vapslock, _vaps_lockflags); \
-} while (0)
-#define IEEE80211_VAPS_UNLOCK_IRQ_EARLY(_ic)	spin_unlock_irqrestore(&(_ic)->ic_vapslock, _vaps_lockflags)
+#define IEEE80211_VAPS_LOCK_BH(_ic) \
+	if (!irqs_disabled()) \
+		spin_lock_bh(&(_ic)->ic_vapslock);
+#define IEEE80211_VAPS_UNLOCK_BH(_ic) \
+	if (!irqs_disabled()) \
+		spin_unlock_bh(&(_ic)->ic_vapslock);
+#define IEEE80211_VAPS_LOCK_IRQ(_ic) do {				\
+	unsigned long __vlockflags=0;				\
+	unsigned int __vlocked=0;  				\
+	__vlocked=spin_is_locked(&(_ic)->ic_vapslock);		\
+	if(!__vlocked) spin_lock_irqsave(&(_ic)->ic_vapslock, __vlockflags);
+#define IEEE80211_VAPS_UNLOCK_IRQ(_ic)					\
+	if(!__vlocked) spin_unlock_irqrestore(&(_ic)->ic_vapslock, __vlockflags);	\
+} while (0);
+#define IEEE80211_VAPS_UNLOCK_IRQ_EARLY(_ic) \
+	if (!__vlocked) spin_unlock_irqrestore(&(_ic)->ic_vapslock, _vaps_lockflags)
 
 #if (defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)) && defined(spin_is_locked)
 #define IEEE80211_VAPS_LOCK_ASSERT(_ic) \
@@ -122,6 +137,11 @@
 #define IEEE80211_VAPS_LOCK_ASSERT(_ic)
 #endif
 
+/*
+ * Beacon locking definitions; piggyback on com lock.
+ */
+#define	IEEE80211_BEACON_LOCK(_ic)	   IEEE80211_LOCK_IRQ(_ic)
+#define	IEEE80211_BEACON_UNLOCK(_ic)	   IEEE80211_UNLOCK_IRQ(_ic)
 
 /*
  * Node locking definitions.
@@ -191,8 +211,12 @@
 typedef spinlock_t ieee80211_scan_lock_t;
 #define	IEEE80211_SCAN_LOCK_INIT(_nt, _name) spin_lock_init(&(_nt)->nt_scanlock)
 #define	IEEE80211_SCAN_LOCK_DESTROY(_nt)
-#define	IEEE80211_SCAN_LOCK_BH(_nt)	spin_lock_bh(&(_nt)->nt_scanlock)
-#define	IEEE80211_SCAN_UNLOCK_BH(_nt)	spin_unlock_bh(&(_nt)->nt_scanlock)
+#define	IEEE80211_SCAN_LOCK_BH(_nt) \
+	if (!irqs_disabled()) \
+		spin_lock_bh(&(_nt)->nt_scanlock)
+#define	IEEE80211_SCAN_UNLOCK_BH(_nt) \
+	if (!irqs_disabled()) \
+		spin_unlock_bh(&(_nt)->nt_scanlock)
 #define	IEEE80211_SCAN_LOCK_IRQ(_nt)	do {	\
 	unsigned long __scan_lockflags;		\
 	spin_lock_irqsave(&(_nt)->nt_scanlock, __scan_lockflags);
@@ -217,8 +241,12 @@
 #define	ACL_LOCK_DESTROY(_as)
 #define	ACL_LOCK(_as)			spin_lock(&(_as)->as_lock)
 #define	ACL_UNLOCK(_as)			spin_unlock(&(_as)->as_lock)
-#define	ACL_LOCK_BH(_as)		spin_lock_bh(&(_as)->as_lock)
-#define	ACL_UNLOCK_BH(_as)		spin_unlock_bh(&(_as)->as_lock)
+#define	ACL_LOCK_BH(_as) \
+	if (!irqs_disabled()) \
+		spin_lock_bh(&(_as)->as_lock)
+#define	ACL_UNLOCK_BH(_as) \
+	if (!irqs_disabled()) \
+		spin_unlock_bh(&(_as)->as_lock)
 
 #if (defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)) && defined(spin_is_locked)
 #define	ACL_LOCK_ASSERT(_as) \
diff -urN madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_node.c madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_node.c
--- madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_node.c	2007-05-13 18:17:56.273014240 +0200
+++ madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_node.c	2007-05-13 18:17:56.599964536 +0200
@@ -1567,7 +1567,7 @@
 	struct ieee80211_node *ni;
 	u_int gen;
 
-	IEEE80211_SCAN_LOCK_IRQ(nt);
+	IEEE80211_SCAN_LOCK_BH(nt);
 	gen = ++nt->nt_scangen;
 	
 restart:
@@ -1587,7 +1587,7 @@
 	}
 	IEEE80211_NODE_TABLE_UNLOCK_IRQ(nt);
 
-	IEEE80211_SCAN_UNLOCK_IRQ(nt);
+	IEEE80211_SCAN_UNLOCK_BH(nt);
 }
 EXPORT_SYMBOL(ieee80211_iterate_dev_nodes);
 
diff -urN madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_power.c madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_power.c
--- madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_power.c	2007-04-25 22:29:55.000000000 +0200
+++ madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_power.c	2007-05-13 18:17:56.599964536 +0200
@@ -147,7 +147,7 @@
 #endif
 		struct sk_buff *skb;
 
-		IEEE80211_NODE_SAVEQ_LOCK(ni);
+		IEEE80211_NODE_SAVEQ_LOCK_IRQ(ni);
 		while ((skb = skb_peek(&ni->ni_savedq)) != NULL &&
 		     M_AGE_GET(skb) < IEEE80211_INACT_WAIT) {
 			IEEE80211_NOTE(vap, IEEE80211_MSG_POWER, ni,
@@ -159,7 +159,7 @@
 		}
 		if (skb != NULL)
 			M_AGE_SUB(skb, IEEE80211_INACT_WAIT);
-		IEEE80211_NODE_SAVEQ_UNLOCK(ni);
+		IEEE80211_NODE_SAVEQ_UNLOCK_IRQ(ni);
 
 		IEEE80211_NOTE(vap, IEEE80211_MSG_POWER, ni,
 			"discard %u frames for age", discard);
@@ -185,7 +185,7 @@
 	KASSERT(aid < vap->iv_max_aid,
 		("bogus aid %u, max %u", aid, vap->iv_max_aid));
 
-	IEEE80211_LOCK(ni->ni_ic);
+	IEEE80211_BEACON_LOCK(ni->ni_ic);
 	if (set != (isset(vap->iv_tim_bitmap, aid) != 0)) {
 		if (set) {
 			setbit(vap->iv_tim_bitmap, aid);
@@ -196,7 +196,7 @@
 		}
 		vap->iv_flags |= IEEE80211_F_TIMUPDATE;
 	}
-	IEEE80211_UNLOCK(ni->ni_ic);
+	IEEE80211_BEACON_UNLOCK(ni->ni_ic);
 }
 
 /*
@@ -297,9 +297,9 @@
 		struct sk_buff *skb;
 		int qlen;
 
-		IEEE80211_NODE_SAVEQ_LOCK(ni);
+		IEEE80211_NODE_SAVEQ_LOCK_IRQ(ni);
 		IEEE80211_NODE_SAVEQ_DEQUEUE(ni, skb, qlen);
-		IEEE80211_NODE_SAVEQ_UNLOCK(ni);
+		IEEE80211_NODE_SAVEQ_UNLOCK_IRQ(ni);
 		if (skb == NULL)
 			break;
 		/* 
@@ -363,9 +363,9 @@
 			for (;;) {
 				struct sk_buff *skb;
 
-				IEEE80211_NODE_SAVEQ_LOCK(ni);
+				IEEE80211_NODE_SAVEQ_LOCK_IRQ(ni);
 				skb = __skb_dequeue(&ni->ni_savedq);
-				IEEE80211_NODE_SAVEQ_UNLOCK(ni);
+				IEEE80211_NODE_SAVEQ_UNLOCK_IRQ(ni);
 				if (skb == NULL)
 					break;
 				ieee80211_parent_queue_xmit(skb);
diff -urN madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_proto.c madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_proto.c
--- madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_proto.c	2007-05-13 18:17:56.578967728 +0200
+++ madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_proto.c	2007-05-13 18:17:56.600964384 +0200
@@ -635,9 +635,9 @@
 {
 	struct ieee80211com *ic = vap->iv_ic;
 
-	IEEE80211_LOCK(ic);
+	IEEE80211_BEACON_LOCK(ic);
 	ieee80211_wme_initparams_locked(vap);
-	IEEE80211_UNLOCK(ic);
+	IEEE80211_BEACON_UNLOCK(ic);
 }
 
 void
@@ -920,9 +920,9 @@
 	struct ieee80211com *ic = vap->iv_ic;
 
 	if (ic->ic_caps & IEEE80211_C_WME) {
-		IEEE80211_LOCK(ic);
+		IEEE80211_BEACON_LOCK(ic);
 		ieee80211_wme_updateparams_locked(vap);
-		IEEE80211_UNLOCK(ic);
+		IEEE80211_BEACON_UNLOCK(ic);
 	}
 }
 
diff -urN madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_scan_sta.c madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_scan_sta.c
--- madwifi-ng-refcount-r2313-20070505.old/net80211/ieee80211_scan_sta.c	2007-02-01 21:49:37.000000000 +0100
+++ madwifi-ng-refcount-r2313-20070505.dev/net80211/ieee80211_scan_sta.c	2007-05-13 18:17:56.601964232 +0200
@@ -163,9 +163,11 @@
 {
 	struct sta_table *st = ss->ss_priv;
 
-	spin_lock(&st->st_lock);
+	if (!irqs_disabled())
+		spin_lock_bh(&st->st_lock);
 	sta_flush_table(st);
-	spin_unlock(&st->st_lock);
+	if (!irqs_disabled())
+		spin_unlock_bh(&st->st_lock);
 	ss->ss_last = 0;
 	return 0;
 }
@@ -215,7 +217,8 @@
 	int hash;
 
 	hash = STA_HASH(macaddr);
-	spin_lock(&st->st_lock);  
+	if (!irqs_disabled())
+		spin_lock_bh(&st->st_lock);  
 	LIST_FOREACH(se, &st->st_hash[hash], se_hash)
 		if (IEEE80211_ADDR_EQ(se->base.se_macaddr, macaddr) &&
 		    sp->ssid[1] == se->base.se_ssid[1] && 
@@ -225,7 +228,7 @@
 	MALLOC(se, struct sta_entry *, sizeof(struct sta_entry),
 		M_80211_SCAN, M_NOWAIT | M_ZERO);
 	if (se == NULL) {
-		spin_unlock(&st->st_lock);
+		spin_unlock_bh(&st->st_lock);
 		return 0;
 	}
 	se->se_scangen = st->st_scangen-1;
@@ -287,7 +290,8 @@
 	se->se_seen = 1;
 	se->se_notseen = 0;
 
-	spin_unlock(&st->st_lock);
+	if (!irqs_disabled())
+		spin_unlock_bh(&st->st_lock);
 
 	/*
 	 * If looking for a quick choice and nothing's
@@ -1063,7 +1067,8 @@
 	u_int gen;
 	int res = 0;
 
-	spin_lock(&st->st_scanlock);
+	if (!irqs_disabled())
+		spin_lock_bh(&st->st_scanlock);
 	gen = st->st_scangen++;
 restart:
 	spin_lock(&st->st_lock);
@@ -1086,7 +1091,8 @@
 	spin_unlock(&st->st_lock);
 
  done:
-	spin_unlock(&st->st_scanlock);
+	if (!irqs_disabled())
+		spin_unlock_bh(&st->st_scanlock);
 
 	return res;
 }
@@ -1235,7 +1241,8 @@
 	bestchan = NULL;
 	bestrssi = -1;
 
-	spin_lock(&st->st_lock);
+	if (!irqs_disabled())
+		spin_lock_bh(&st->st_lock);
 	for (i = 0; i < ss->ss_last; i++) {
 		c = ss->ss_chans[i];
 		maxrssi = 0;
@@ -1248,7 +1255,8 @@
 		if (bestchan == NULL || maxrssi < bestrssi)
 			bestchan = c;
 	}
-	spin_unlock(&st->st_lock);
+	if (!irqs_disabled())
+		spin_unlock_bh(&st->st_lock);
 
 	return bestchan;
 }