summaryrefslogtreecommitdiff
path: root/package/madwifi/patches/300-napi_polling.patch
blob: 04e6906a8ae80dc547c3f88424d50b6ae46674db (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
Index: madwifi-trunk-r3314/ath/if_ath.c
===================================================================
--- madwifi-trunk-r3314.orig/ath/if_ath.c	2008-02-20 21:56:33.725243076 +0100
+++ madwifi-trunk-r3314/ath/if_ath.c	2008-02-20 21:57:34.912729951 +0100
@@ -184,7 +184,11 @@
 	struct sk_buff *, int, int, u_int64_t);
 static void ath_setdefantenna(struct ath_softc *, u_int);
 static struct ath_txq *ath_txq_setup(struct ath_softc *, int, int);
-static void ath_rx_tasklet(TQUEUE_ARG);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
+static int ath_rx_poll(struct napi_struct *napi, int budget);
+#else
+static int ath_rx_poll(struct net_device *dev, int *budget);
+#endif
 static int ath_hardstart(struct sk_buff *, struct net_device *);
 static int ath_mgtstart(struct ieee80211com *, struct sk_buff *);
 #ifdef ATH_SUPERG_COMP
@@ -374,6 +378,9 @@
 		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 */
@@ -545,7 +552,6 @@
 
 	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);
@@ -819,6 +825,12 @@
 	dev->set_mac_address = ath_set_mac_address;
 	dev->change_mtu = ath_change_mtu;
 	dev->tx_queue_len = ATH_TXBUF - ATH_TXBUF_MGT_RESERVED;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
+	netif_napi_add(dev, &sc->sc_napi, ath_rx_poll, 64);
+#else
+	dev->poll = ath_rx_poll;
+	dev->weight = 64;
+#endif
 #ifdef USE_HEADERLEN_RESV
 	dev->hard_header_len += sizeof(struct ieee80211_qosframe) +
 				sizeof(struct llc) +
@@ -2213,6 +2225,7 @@
 		(status & HAL_INT_GLOBAL)	? " HAL_INT_GLOBAL"	: ""
 		);
 
+	sc->sc_isr = status;
 	status &= sc->sc_imask;			/* discard unasked for bits */
 	/* 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. 
@@ -2270,7 +2283,23 @@
 		}
 		if (status & (HAL_INT_RX | HAL_INT_RXPHY)) {
 			ath_uapsd_processtriggers(sc, hw_tsf);
-			ATH_SCHEDULE_TQUEUE(&sc->sc_rxtq, &needmark);
+			sc->sc_isr &= ~HAL_INT_RX;
+#if 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
+			{
+#ifndef ATH_PRECISE_TSF
+				sc->sc_imask &= ~HAL_INT_RX;
+				ath_hal_intrset(ah, sc->sc_imask);
+#endif
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
+				__netif_rx_schedule(dev, &sc->sc_napi);
+#else
+				__netif_rx_schedule(dev);
+#endif
+			}
 		}
 		if (status & HAL_INT_TX) {
 #ifdef ATH_SUPERG_DYNTURBO
@@ -2296,6 +2325,11 @@
 				}
 			}
 #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);
 		}
 		if (status & HAL_INT_BMISS) {
@@ -2508,6 +2542,7 @@
 	if (sc->sc_tx99 != NULL)
 		sc->sc_tx99->start(sc->sc_tx99);
 #endif
+	ath_poll_enable(dev);
 
 done:
 	ATH_UNLOCK(sc);
@@ -2548,6 +2583,9 @@
 		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 */
@@ -4006,6 +4044,39 @@
 	return ath_keyset(sc, k, mac, vap->iv_bss);
 }
 
+static void ath_poll_disable(struct net_device *dev)
+{
+	struct ath_softc *sc = dev->priv;
+
+	/*
+	 * XXX Using in_softirq is not right since we might
+	 * be called from other soft irq contexts than
+	 * ath_rx_poll
+	 */
+	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;
+
+	/* 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
+	}
+}
+
+
 /*
  * Block/unblock tx+rx processing while a key change is done.
  * We assume the caller serializes key management operations
@@ -4023,13 +4094,7 @@
 	 * 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.
 	 */
-	if (!in_softirq())
-		tasklet_disable(&sc->sc_rxtq);
 	netif_stop_queue(dev);
 }
 
@@ -4040,9 +4105,9 @@
 	struct ath_softc *sc = dev->priv;
 
 	DPRINTF(sc, ATH_DEBUG_KEYCACHE, "End\n");
-	netif_wake_queue(dev);
-	if (!in_softirq())		/* NB: see above */
-		tasklet_enable(&sc->sc_rxtq);
+
+	if (dev->flags&IFF_RUNNING)
+		netif_wake_queue(dev);
 }
 
 /*
@@ -6347,13 +6412,23 @@
 	sc->sc_rxotherant = 0;
 }
 
-static void
-ath_rx_tasklet(TQUEUE_ARG data)
+static int
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
+ath_rx_poll(struct napi_struct *napi, int budget)
+#else
+ath_rx_poll(struct net_device *dev, int *budget)
+#endif
 {
 #define	PA2DESC(_sc, _pa) \
 	((struct ath_desc *)((caddr_t)(_sc)->sc_rxdma.dd_desc + \
 		((_pa) - (_sc)->sc_rxdma.dd_desc_paddr)))
-	struct net_device *dev = (struct net_device *)data;
+#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
+	u_int rx_limit = dev->quota;
+#endif
 	struct ath_buf *bf;
 	struct ath_softc *sc = dev->priv;
 	struct ieee80211com *ic = &sc->sc_ic;
@@ -6365,8 +6440,10 @@
 	unsigned int len;
 	int type;
 	u_int phyerr;
+	u_int processed = 0, early_stop = 0;
 
 	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 */
@@ -6390,6 +6467,15 @@
 			/* NB: never process the self-linked entry at the end */
 			break;
 		}
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
+		processed++;
+#endif
+		if (rx_limit-- < 0) {
+			early_stop = 1;
+			break;
+		}
+
 		skb = bf->bf_skb;
 		if (skb == NULL) {
 			EPRINTF(sc, "Dropping; buffer contains NULL skbuff.\n");
@@ -6437,6 +6523,7 @@
 				sc->sc_stats.ast_rx_phyerr++;
 				phyerr = rs->rs_phyerr & 0x1f;
 				sc->sc_stats.ast_rx_phy[phyerr]++;
+				goto rx_next;
 			}
 			if (rs->rs_status & HAL_RXERR_DECRYPT) {
 				/*
@@ -6632,9 +6719,38 @@
 		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.
+		 */
+#ifndef ATH_PRECISE_TSF
+		local_irq_save(flags);
+		if (sc->sc_isr & HAL_INT_RX) {
+			u_int64_t hw_tsf = ath_hal_gettsf64(ah);
+			sc->sc_isr &= ~HAL_INT_RX;
+			local_irq_restore(flags);
+			ath_uapsd_processtriggers(sc, hw_tsf);
+			goto process_rx_again;
+		}
+#endif
+#ifndef ATH_PRECISE_TSF
+		sc->sc_imask |= HAL_INT_RX;
+		ath_hal_intrset(ah, sc->sc_imask);
+		local_irq_restore(flags);
+#endif
+	}
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
+	netif_rx_complete(dev, napi);
+#else
+	netif_rx_complete(dev);
+	*budget -= processed;
+#endif
 
 	/* rx signal state monitoring */
 	ath_hal_rxmonitor(ah, &sc->sc_halstats, &sc->sc_curchan);
+	return early_stop;
 #undef PA2DESC
 }
 
@@ -8285,12 +8401,24 @@
 {
 	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))
 		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);
 
+	local_irq_save(flags);
+	if (sc->sc_isr & HAL_INT_TX) {
+		sc->sc_isr &= ~HAL_INT_TX;
+		local_irq_restore(flags);
+		goto process_tx_again;
+	}
+	sc->sc_imask |= HAL_INT_TX;
+	ath_hal_intrset(sc->sc_ah, sc->sc_imask);
+	local_irq_restore(flags);
+
 	netif_wake_queue(dev);
 
 	if (sc->sc_softled)
@@ -8306,7 +8434,9 @@
 {
 	struct net_device *dev = (struct net_device *)data;
 	struct ath_softc *sc = dev->priv;
+	unsigned long flags;
 
+process_tx_again:
 	/*
 	 * Process each active queue.
 	 */
@@ -8327,6 +8457,16 @@
 	if (sc->sc_uapsdq && txqactive(sc->sc_ah, sc->sc_uapsdq->axq_qnum))
 		ath_tx_processq(sc, sc->sc_uapsdq);
 
+	local_irq_save(flags);
+	if (sc->sc_isr & HAL_INT_TX) {
+		sc->sc_isr &= ~HAL_INT_TX;
+		local_irq_restore(flags);
+		goto process_tx_again;
+	}
+	sc->sc_imask |= HAL_INT_TX;
+	ath_hal_intrset(sc->sc_ah, sc->sc_imask);
+	local_irq_restore(flags);
+
 	netif_wake_queue(dev);
 
 	if (sc->sc_softled)
@@ -8342,13 +8482,25 @@
 	struct net_device *dev = (struct net_device *)data;
 	struct ath_softc *sc = dev->priv;
 	unsigned int i;
+	unsigned long flags;
 
 	/* 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]);
 
+	local_irq_save(flags);
+	if (sc->sc_isr & HAL_INT_TX) {
+		sc->sc_isr &= ~HAL_INT_TX;
+		local_irq_restore(flags);
+		goto process_tx_again;
+	}
+	sc->sc_imask |= HAL_INT_TX;
+	ath_hal_intrset(sc->sc_ah, sc->sc_imask);
+	local_irq_restore(flags);
+
 	netif_wake_queue(dev);
 
 	if (sc->sc_softled)
@@ -8423,6 +8575,7 @@
 ath_draintxq(struct ath_softc *sc)
 {
 	struct ath_hal *ah = sc->sc_ah;
+	int npend = 0;
 	unsigned int i;
 
 	/* XXX return value */
@@ -10281,9 +10434,9 @@
 	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);
+		ath_poll_disable(dev);
 		error = ath_reset(dev);
-		tasklet_enable(&sc->sc_rxtq);
+		ath_poll_enable(dev);
 	}
 	ATH_UNLOCK(sc);
 
Index: madwifi-trunk-r3314/ath/if_athvar.h
===================================================================
--- madwifi-trunk-r3314.orig/ath/if_athvar.h	2008-02-20 21:56:33.733243528 +0100
+++ madwifi-trunk-r3314/ath/if_athvar.h	2008-02-20 21:57:34.892728811 +0100
@@ -53,6 +53,10 @@
 # include	<asm/bitops.h>
 #endif
 
+#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.
@@ -616,6 +620,9 @@
 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_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;			/* RXs on non-default antenna */
@@ -745,6 +751,7 @@
 	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 */
@@ -858,6 +865,8 @@
 #define	ATH_TXBUF_LOCK_CHECK(_sc)
 #endif
 
+#define ATH_DISABLE_INTR		local_irq_disable
+#define ATH_ENABLE_INTR 		local_irq_enable
 
 #define	ATH_RXBUF_LOCK_INIT(_sc)	spin_lock_init(&(_sc)->sc_rxbuflock)
 #define	ATH_RXBUF_LOCK_DESTROY(_sc)
Index: madwifi-trunk-r3314/net80211/ieee80211_input.c
===================================================================
--- madwifi-trunk-r3314.orig/net80211/ieee80211_input.c	2008-02-20 21:56:33.741243986 +0100
+++ madwifi-trunk-r3314/net80211/ieee80211_input.c	2008-02-20 21:57:34.896729040 +0100
@@ -1198,7 +1198,7 @@
 			/* attach vlan tag */
 			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 @@
 			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 @@
 		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 */
Index: madwifi-trunk-r3314/net80211/ieee80211_monitor.c
===================================================================
--- madwifi-trunk-r3314.orig/net80211/ieee80211_monitor.c	2008-02-20 21:56:33.749244442 +0100
+++ madwifi-trunk-r3314/net80211/ieee80211_monitor.c	2008-02-20 21:57:34.900729266 +0100
@@ -584,8 +584,8 @@
 			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)
Index: madwifi-trunk-r3314/net80211/ieee80211_skb.c
===================================================================
--- madwifi-trunk-r3314.orig/net80211/ieee80211_skb.c	2008-02-20 21:56:33.757244897 +0100
+++ madwifi-trunk-r3314/net80211/ieee80211_skb.c	2008-02-20 21:57:34.904729495 +0100
@@ -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 @@
 		grp, vlan_tag);
 }
 
-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__));
 }
 
 struct sk_buff * alloc_skb_debug(unsigned int length, gfp_t gfp_mask,
@@ -760,7 +760,7 @@
 }
 
 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);
Index: madwifi-trunk-r3314/net80211/ieee80211_skb.h
===================================================================
--- madwifi-trunk-r3314.orig/net80211/ieee80211_skb.h	2008-02-20 21:56:33.765245356 +0100
+++ madwifi-trunk-r3314/net80211/ieee80211_skb.h	2008-02-20 21:57:34.908729722 +0100
@@ -116,7 +116,7 @@
 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 @@
 #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 @@
 	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) \