Merge redhat.com:/spare/repo/netdev-2.6/acenic

into redhat.com:/spare/repo/net-drivers-2.6

drivers/net/acenic.c

@@ -131,7 +131,6 @@
 #define PCI_DEVICE_ID_SGI_ACENIC	0x0009
 #endif
 
-#if LINUX_VERSION_CODE >= 0x20400
 static struct pci_device_id acenic_pci_tbl[] = {
 	{ PCI_VENDOR_ID_ALTEON, PCI_DEVICE_ID_ALTEON_ACENIC_FIBRE,
 	  PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_NETWORK_ETHERNET << 8, 0xffff00, },
@@ -156,37 +155,6 @@ static struct pci_device_id acenic_pci_tbl[] = {
 	{ }
 };
 MODULE_DEVICE_TABLE(pci, acenic_pci_tbl);
-#endif
-
-
-#ifndef MODULE_LICENSE
-#define MODULE_LICENSE(a)
-#endif
-
-#ifndef wmb
-#define wmb()	mb()
-#endif
-
-#ifndef __exit
-#define __exit
-#endif
-
-#ifndef __devinit
-#define __devinit	__init
-#endif
-
-#ifndef SMP_CACHE_BYTES
-#define SMP_CACHE_BYTES	L1_CACHE_BYTES
-#endif
-
-#ifndef SET_MODULE_OWNER
-#define SET_MODULE_OWNER(dev)		do{} while(0)
-#define ACE_MOD_INC_USE_COUNT		MOD_INC_USE_COUNT
-#define ACE_MOD_DEC_USE_COUNT		MOD_DEC_USE_COUNT
-#else
-#define ACE_MOD_INC_USE_COUNT		do{} while(0)
-#define ACE_MOD_DEC_USE_COUNT		do{} while(0)
-#endif
 
 #ifndef SET_NETDEV_DEV
 #define SET_NETDEV_DEV(net, pdev)	do{} while(0)
@@ -198,151 +166,8 @@ MODULE_DEVICE_TABLE(pci, acenic_pci_tbl);
 #define ace_sync_irq(irq)	synchronize_irq()
 #endif
 
-#if LINUX_VERSION_CODE < 0x2051e
-#define local_irq_save(flags)		do{__save_flags(flags) ; \
-					   __cli();} while(0)
-#define local_irq_restore(flags)	__restore_flags(flags)
-#endif
-
-#if (LINUX_VERSION_CODE < 0x02030d)
-#define pci_resource_start(dev, bar)	dev->base_address[bar]
-#elif (LINUX_VERSION_CODE < 0x02032c)
-#define pci_resource_start(dev, bar)	dev->resource[bar].start
-#endif
-
-#if (LINUX_VERSION_CODE < 0x02030e)
-#define net_device device
-#endif
-
-
-#if (LINUX_VERSION_CODE < 0x02032a)
-typedef u32 dma_addr_t;
-
-static inline void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
-					 dma_addr_t *dma_handle)
-{
-	void *virt_ptr;
-
-	virt_ptr = kmalloc(size, GFP_KERNEL);
-	if (!virt_ptr)
-		return NULL;
-	*dma_handle = virt_to_bus(virt_ptr);
-	return virt_ptr;
-}
-
-#define pci_free_consistent(cookie, size, ptr, dma_ptr)	kfree(ptr)
-#define pci_map_page(cookie, page, off, size, dir)	\
-	virt_to_bus(page_address(page)+(off))
-#define pci_unmap_page(cookie, address, size, dir)
-#define pci_set_dma_mask(dev, mask)		\
-	(((u64)(mask) & 0xffffffff00000000) == 0 ? 0 : -EIO)
-#define pci_dma_supported(dev, mask)		\
-	(((u64)(mask) & 0xffffffff00000000) == 0 ? 1 : 0)
-
-#elif (LINUX_VERSION_CODE < 0x02040d)
-
-/*
- * 2.4.13 introduced pci_map_page()/pci_unmap_page() - for 2.4.12 and prior,
- * fall back on pci_map_single()/pci_unnmap_single().
- *
- * We are guaranteed that the page is mapped at this point since
- * pci_map_page() is only used upon valid struct skb's.
- */
-static inline dma_addr_t
-pci_map_page(struct pci_dev *cookie, struct page *page, unsigned long off,
-	     size_t size, int dir)
-{
-	void *page_virt;
-
-	page_virt = page_address(page);
-	if (!page_virt)
-		BUG();
-	return pci_map_single(cookie, (page_virt + off), size, dir);
-}
-#define pci_unmap_page(cookie, dma_addr, size, dir)	\
-	pci_unmap_single(cookie, dma_addr, size, dir)
-#endif
-
-#if (LINUX_VERSION_CODE < 0x020412)
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
-#define pci_unmap_addr(PTR, ADDR_NAME)		0
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)	do{} while(0)
-#define pci_unmap_len(PTR, LEN_NAME)		0
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)	do{} while(0)
-#endif
-
-
-#if (LINUX_VERSION_CODE < 0x02032b)
-/*
- * SoftNet
- *
- * For pre-softnet kernels we need to tell the upper layer not to
- * re-enter start_xmit() while we are in there. However softnet
- * guarantees not to enter while we are in there so there is no need
- * to do the netif_stop_queue() dance unless the transmit queue really
- * gets stuck. This should also improve performance according to tests
- * done by Aman Singla.
- */
-#define dev_kfree_skb_irq(a)			dev_kfree_skb(a)
-#define netif_wake_queue(dev)			clear_bit(0, &dev->tbusy)
-#define netif_stop_queue(dev)			set_bit(0, &dev->tbusy)
-#define late_stop_netif_stop_queue(dev)		do{} while(0)
-#define early_stop_netif_stop_queue(dev)	test_and_set_bit(0,&dev->tbusy)
-#define early_stop_netif_wake_queue(dev)	netif_wake_queue(dev)
-
-static inline void netif_start_queue(struct net_device *dev)
-{
-	dev->tbusy = 0;
-	dev->interrupt = 0;
-	dev->start = 1;
-}
-
-#define ace_mark_net_bh()			mark_bh(NET_BH)
-#define netif_queue_stopped(dev)		dev->tbusy
-#define netif_running(dev)			dev->start
-#define ace_if_down(dev)			do{dev->start = 0;} while(0)
-
-#define tasklet_struct				tq_struct
-static inline void tasklet_schedule(struct tasklet_struct *tasklet)
-{
-	queue_task(tasklet, &tq_immediate);
-	mark_bh(IMMEDIATE_BH);
-}
-
-static inline void tasklet_init(struct tasklet_struct *tasklet,
-				void (*func)(unsigned long),
-				unsigned long data)
-{
-	tasklet->next = NULL;
-	tasklet->sync = 0;
-	tasklet->routine = (void (*)(void *))func;
-	tasklet->data = (void *)data;
-}
-#define tasklet_kill(tasklet)			do{} while(0)
-#else
-#define late_stop_netif_stop_queue(dev)		netif_stop_queue(dev)
-#define early_stop_netif_stop_queue(dev)	0
-#define early_stop_netif_wake_queue(dev)	do{} while(0)
-#define ace_mark_net_bh()			do{} while(0)
-#define ace_if_down(dev)			do{} while(0)
-#endif
-
-#if (LINUX_VERSION_CODE >= 0x02031b)
-#define NEW_NETINIT
-#define ACE_PROBE_ARG				void
-#else
-#define ACE_PROBE_ARG				struct net_device *dev
-#endif
-
-#ifndef min_t
-#define min_t(type,a,b)	(((a)<(b))?(a):(b))
-#endif
-
-#ifndef ARCH_HAS_PREFETCHW
-#ifndef prefetchw
-#define prefetchw(x)				do{} while(0)
-#endif
+#ifndef offset_in_page
+#define offset_in_page(ptr)	((unsigned long)(ptr) & ~PAGE_MASK)
 #endif
 
 #define ACE_MAX_MOD_PARMS	8
@@ -595,58 +420,41 @@ static int max_rx_desc[ACE_MAX_MOD_PARMS];
 static int tx_ratio[ACE_MAX_MOD_PARMS];
 static int dis_pci_mem_inval[ACE_MAX_MOD_PARMS] = {1, 1, 1, 1, 1, 1, 1, 1};
 
+MODULE_AUTHOR("Jes Sorensen <jes@trained-monkey.org>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("AceNIC/3C985/GA620 Gigabit Ethernet driver");
+MODULE_PARM(link, "1-" __MODULE_STRING(8) "i");
+MODULE_PARM(trace, "1-" __MODULE_STRING(8) "i");
+MODULE_PARM(tx_coal_tick, "1-" __MODULE_STRING(8) "i");
+MODULE_PARM(max_tx_desc, "1-" __MODULE_STRING(8) "i");
+MODULE_PARM(rx_coal_tick, "1-" __MODULE_STRING(8) "i");
+MODULE_PARM(max_rx_desc, "1-" __MODULE_STRING(8) "i");
+MODULE_PARM(tx_ratio, "1-" __MODULE_STRING(8) "i");
+MODULE_PARM_DESC(link, "AceNIC/3C985/NetGear link state");
+MODULE_PARM_DESC(trace, "AceNIC/3C985/NetGear firmware trace level");
+MODULE_PARM_DESC(tx_coal_tick, "AceNIC/3C985/GA620 max clock ticks to wait from first tx descriptor arrives");
+MODULE_PARM_DESC(max_tx_desc, "AceNIC/3C985/GA620 max number of transmit descriptors to wait");
+MODULE_PARM_DESC(rx_coal_tick, "AceNIC/3C985/GA620 max clock ticks to wait from first rx descriptor arrives");
+MODULE_PARM_DESC(max_rx_desc, "AceNIC/3C985/GA620 max number of receive descriptors to wait");
+MODULE_PARM_DESC(tx_ratio, "AceNIC/3C985/GA620 ratio of NIC memory used for TX/RX descriptors (range 0-63)");
+
+
 static char version[] __initdata = 
   "acenic.c: v0.92 08/05/2002  Jes Sorensen, linux-acenic@SunSITE.dk\n"
   "                            http://home.cern.ch/~jes/gige/acenic.html\n";
 
-static struct net_device *root_dev;
-
-static int probed __initdata = 0;
-
-
-int __devinit acenic_probe (ACE_PROBE_ARG)
+static int __devinit acenic_probe_one(struct pci_dev *pdev,
+		const struct pci_device_id *id)
 {
-#ifdef NEW_NETINIT
 	struct net_device *dev;
-#endif
 	struct ace_private *ap;
-	struct pci_dev *pdev = NULL;
-	int boards_found = 0;
-	int version_disp;
-
-	if (probed)
-		return -ENODEV;
-	probed++;
-
-	version_disp = 0;
-
-	while ((pdev = pci_find_class(PCI_CLASS_NETWORK_ETHERNET<<8, pdev))) {
-
-		if (!((pdev->vendor == PCI_VENDOR_ID_ALTEON) &&
-		      ((pdev->device == PCI_DEVICE_ID_ALTEON_ACENIC_FIBRE) ||
-		       (pdev->device == PCI_DEVICE_ID_ALTEON_ACENIC_COPPER)))&&
-		    !((pdev->vendor == PCI_VENDOR_ID_3COM) &&
-		      (pdev->device == PCI_DEVICE_ID_3COM_3C985)) &&
-		    !((pdev->vendor == PCI_VENDOR_ID_NETGEAR) &&
-		      ((pdev->device == PCI_DEVICE_ID_NETGEAR_GA620) || 
-		       (pdev->device == PCI_DEVICE_ID_NETGEAR_GA620T))) &&
-		/*
-		 * Farallon used the DEC vendor ID on their cards by
-		 * mistake for a while
-		 */
-		    !((pdev->vendor == PCI_VENDOR_ID_DEC) &&
-		      (pdev->device == PCI_DEVICE_ID_FARALLON_PN9000SX)) &&
-		    !((pdev->vendor == PCI_VENDOR_ID_ALTEON) &&
-		      (pdev->device == PCI_DEVICE_ID_FARALLON_PN9100T)) &&
-		    !((pdev->vendor == PCI_VENDOR_ID_SGI) &&
-		      (pdev->device == PCI_DEVICE_ID_SGI_ACENIC)))
-			continue;
+	static int boards_found;
 
 	dev = alloc_etherdev(sizeof(struct ace_private));
 	if (dev == NULL) {
 		printk(KERN_ERR "acenic: Unable to allocate "
 		       "net_device structure!\n");
-			break;
+		return -ENOMEM;
 	}
 
 	SET_MODULE_OWNER(dev);
@@ -655,8 +463,6 @@ int __devinit acenic_probe (ACE_PROBE_ARG)
 	ap = dev->priv;
 	ap->pdev = pdev;
 
-		dev->open = &ace_open;
-		dev->hard_start_xmit = &ace_start_xmit;
 	dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM;
 #if ACENIC_DO_VLAN
 	dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
@@ -668,26 +474,22 @@ int __devinit acenic_probe (ACE_PROBE_ARG)
 		dev->tx_timeout = &ace_watchdog;
 		dev->watchdog_timeo = 5*HZ;
 	}
+
+	dev->open = &ace_open;
 	dev->stop = &ace_close;
+	dev->hard_start_xmit = &ace_start_xmit;
 	dev->get_stats = &ace_get_stats;
 	dev->set_multicast_list = &ace_set_multicast_list;
 	dev->do_ioctl = &ace_ioctl;
 	dev->set_mac_address = &ace_set_mac_addr;
 	dev->change_mtu = &ace_change_mtu;
 
-		/* display version info if adapter is found */
-		if (!version_disp)
-		{
-			/* set display flag to TRUE so that */
 	/* we only display this string ONCE */
-			version_disp = 1;
+	if (!boards_found)
 		printk(version);
-		}
 
-		if (pci_enable_device(pdev)) {
-			free_netdev(dev);
-			continue;
-		}
+	if (pci_enable_device(pdev))
+		goto fail_free_netdev;
 
 	/*
 	 * Enable master mode before we start playing with the
@@ -709,12 +511,10 @@ int __devinit acenic_probe (ACE_PROBE_ARG)
 		wmb();
 	}
 
-		pci_read_config_byte(pdev, PCI_LATENCY_TIMER,
-				     &ap->pci_latency);
+	pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &ap->pci_latency);
 	if (ap->pci_latency <= 0x40) {
 		ap->pci_latency = 0x40;
-			pci_write_config_byte(pdev, PCI_LATENCY_TIMER,
-					      ap->pci_latency);
+		pci_write_config_byte(pdev, PCI_LATENCY_TIMER, ap->pci_latency);
 	}
 
 	/*
@@ -728,7 +528,7 @@ int __devinit acenic_probe (ACE_PROBE_ARG)
 		printk(KERN_ERR "%s:  Unable to map I/O register, "
 		       "AceNIC %i will be disabled.\n",
 		       dev->name, boards_found);
-			break;
+		goto fail_free_netdev;
 	}
 
 	switch(pdev->vendor) {
@@ -774,6 +574,7 @@ int __devinit acenic_probe (ACE_PROBE_ARG)
 		printk(KERN_INFO "%s: Unknown AceNIC ", dev->name);
 		break;
 	}
+
 	ap->name [sizeof (ap->name) - 1] = '\0';
 	printk("Gigabit Ethernet at 0x%08lx, ", dev->base_addr);
 #ifdef __sparc__
@@ -786,20 +587,12 @@ int __devinit acenic_probe (ACE_PROBE_ARG)
 	if ((readl(&ap->regs->HostCtrl) >> 28) == 4) {
 		printk(KERN_ERR "%s: Driver compiled without Tigon I"
 		       " support - NIC disabled\n", dev->name);
-			ace_init_cleanup(dev);
-			free_netdev(dev);
-			continue;
+		goto fail_uninit;
 	}
 #endif
 
-		if (ace_allocate_descriptors(dev)) {
-			/*
-			 * ace_allocate_descriptors() calls
-			 * ace_init_cleanup() on error.
-			 */
-			free_netdev(dev);
-			continue;
-		}
+	if (ace_allocate_descriptors(dev))
+		goto fail_free_netdev;
 
 #ifdef MODULE
 	if (boards_found >= ACE_MAX_MOD_PARMS)
@@ -810,79 +603,42 @@ int __devinit acenic_probe (ACE_PROBE_ARG)
 	ap->board_idx = BOARD_IDX_STATIC;
 #endif
 
-		if (ace_init(dev)) {
-			/*
-			 * ace_init() calls ace_init_cleanup() on error.
-			 */
-			free_netdev(dev);
-			continue;
-		}
+	if (ace_init(dev))
+		goto fail_free_netdev;
 
 	if (register_netdev(dev)) {
 		printk(KERN_ERR "acenic: device registration failed\n");
-			ace_init_cleanup(dev);
-			free_netdev(dev);
-			continue;
+		goto fail_uninit;
 	}
 
 	if (ap->pci_using_dac)
 		dev->features |= NETIF_F_HIGHDMA;
 
-		boards_found++;
-	}
+	pci_set_drvdata(pdev, dev);
 
-	/*
-	 * If we're at this point we're going through ace_probe() for
-	 * the first time.  Return success (0) if we've initialized 1
-	 * or more boards. Otherwise, return failure (-ENODEV).
-	 */
-
-	if (boards_found > 0)
+	boards_found++;
 	return 0;
-	else
+
+ fail_uninit:
+	ace_init_cleanup(dev);
+ fail_free_netdev:
+	free_netdev(dev);
 	return -ENODEV;
 }
 
-
-#ifdef MODULE
-MODULE_AUTHOR("Jes Sorensen <jes@trained-monkey.org>");
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("AceNIC/3C985/GA620 Gigabit Ethernet driver");
-MODULE_PARM(link, "1-" __MODULE_STRING(8) "i");
-MODULE_PARM(trace, "1-" __MODULE_STRING(8) "i");
-MODULE_PARM(tx_coal_tick, "1-" __MODULE_STRING(8) "i");
-MODULE_PARM(max_tx_desc, "1-" __MODULE_STRING(8) "i");
-MODULE_PARM(rx_coal_tick, "1-" __MODULE_STRING(8) "i");
-MODULE_PARM(max_rx_desc, "1-" __MODULE_STRING(8) "i");
-MODULE_PARM(tx_ratio, "1-" __MODULE_STRING(8) "i");
-MODULE_PARM_DESC(link, "AceNIC/3C985/NetGear link state");
-MODULE_PARM_DESC(trace, "AceNIC/3C985/NetGear firmware trace level");
-MODULE_PARM_DESC(tx_coal_tick, "AceNIC/3C985/GA620 max clock ticks to wait from first tx descriptor arrives");
-MODULE_PARM_DESC(max_tx_desc, "AceNIC/3C985/GA620 max number of transmit descriptors to wait");
-MODULE_PARM_DESC(rx_coal_tick, "AceNIC/3C985/GA620 max clock ticks to wait from first rx descriptor arrives");
-MODULE_PARM_DESC(max_rx_desc, "AceNIC/3C985/GA620 max number of receive descriptors to wait");
-MODULE_PARM_DESC(tx_ratio, "AceNIC/3C985/GA620 ratio of NIC memory used for TX/RX descriptors (range 0-63)");
-#endif
-
-
-static void __exit ace_module_cleanup(void)
+static void __devexit acenic_remove_one(struct pci_dev *pdev)
 {
-	struct ace_private *ap;
-	struct ace_regs *regs;
-	struct net_device *next;
+	struct net_device *dev = pci_get_drvdata(pdev);
+	struct ace_private *ap = dev->priv;
+	struct ace_regs *regs = ap->regs;
 	short i;
 
-	while (root_dev) {
-		ap = root_dev->priv;
-		next = ap->next;
-		unregister_netdev(root_dev);
-
-		regs = ap->regs;
+	unregister_netdev(dev);
 
 	writel(readl(&regs->CpuCtrl) | CPU_HALT, &regs->CpuCtrl);
 	if (ap->version >= 2)
-			writel(readl(&regs->CpuBCtrl) | CPU_HALT,
-			       &regs->CpuBCtrl);
+		writel(readl(&regs->CpuBCtrl) | CPU_HALT, &regs->CpuBCtrl);
+	
 	/*
 	 * This clears any pending interrupts
 	 */
@@ -898,7 +654,7 @@ static void __exit ace_module_cleanup(void)
 	 * Then release the RX buffers - jumbo buffers were
 	 * already released in ace_close().
 	 */
-		ace_sync_irq(root_dev->irq);
+	ace_sync_irq(dev->irq);
 
 	for (i = 0; i < RX_STD_RING_ENTRIES; i++) {
 		struct sk_buff *skb = ap->skb->rx_std_skbuff[i].skb;
@@ -918,6 +674,7 @@ static void __exit ace_module_cleanup(void)
 			dev_kfree_skb(skb);
 		}
 	}
+
 	if (ap->version >= 2) {
 		for (i = 0; i < RX_MINI_RING_ENTRIES; i++) {
 			struct sk_buff *skb = ap->skb->rx_mini_skbuff[i].skb;
@@ -938,6 +695,7 @@ static void __exit ace_module_cleanup(void)
 			}
 		}
 	}
+
 	for (i = 0; i < RX_JUMBO_RING_ENTRIES; i++) {
 		struct sk_buff *skb = ap->skb->rx_jumbo_skbuff[i].skb;
 		if (skb) {
@@ -956,46 +714,29 @@ static void __exit ace_module_cleanup(void)
 		}
 	}
 
-		ace_init_cleanup(root_dev);
-		free_netdev(root_dev);
-		root_dev = next;
-	}
-}
-
-
-int __init ace_module_init(void)
-{
-	int status;
-
-	root_dev = NULL;
-
-#ifdef NEW_NETINIT
-	status = acenic_probe();
-#else
-	status = acenic_probe(NULL);
-#endif
-	return status;
+	ace_init_cleanup(dev);
+	free_netdev(dev);
 }
 
+static struct pci_driver acenic_pci_driver = {
+	.name		= "acenic",
+	.id_table	= acenic_pci_tbl,
+	.probe		= acenic_probe_one,
+	.remove		= __devexit_p(acenic_remove_one),
+};
 
-#if (LINUX_VERSION_CODE < 0x02032a)
-#ifdef MODULE
-int init_module(void)
+static int __init acenic_init(void)
 {
-	return ace_module_init();
+	return pci_module_init(&acenic_pci_driver);
 }
 
-
-void cleanup_module(void)
+static void __exit acenic_exit(void)
 {
-	ace_module_cleanup();
+	pci_unregister_driver(&acenic_pci_driver);
 }
-#endif
-#else
-module_init(ace_module_init);
-module_exit(ace_module_cleanup);
-#endif
 
+module_init(acenic_init);
+module_exit(acenic_exit);
 
 static void ace_free_descriptors(struct net_device *dev)
 {
@@ -1462,13 +1203,6 @@ static int __init ace_init(struct net_device *dev)
 	} else
 		dev->irq = pdev->irq;
 
-	/*
-	 * Register the device here to be able to catch allocated
-	 * interrupt handlers in case the firmware doesn't come up.
-	 */
-	ap->next = root_dev;
-	root_dev = dev;
-
 #ifdef INDEX_DEBUG
 	spin_lock_init(&ap->debug_lock);
 	ap->last_tx = ACE_TX_RING_ENTRIES(ap) - 1;
@@ -2642,8 +2376,6 @@ static int ace_open(struct net_device *dev)
 
 	netif_start_queue(dev);
 
-	ACE_MOD_INC_USE_COUNT;
-
 	/*
 	 * Setup the bottom half rx ring refill handler
 	 */
@@ -2660,8 +2392,6 @@ static int ace_close(struct net_device *dev)
 	unsigned long flags;
 	short i;
 
-	ace_if_down(dev);
-
 	/*
 	 * Without (or before) releasing irq and stopping hardware, this
 	 * is an absolute non-sense, by the way. It will be reset instantly
@@ -2733,7 +2463,6 @@ static int ace_close(struct net_device *dev)
 	ace_unmask_irq(dev);
 	local_irq_restore(flags);
 
-	ACE_MOD_DEC_USE_COUNT;
 	return 0;
 }
 
@@ -2790,12 +2519,6 @@ static int ace_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	struct tx_desc *desc;
 	u32 idx, flagsize;
 
- 	/*
-	 * This only happens with pre-softnet, ie. 2.2.x kernels.
- 	 */
-	if (early_stop_netif_stop_queue(dev))
- 		return 1;
-
 restart:
 	idx = ap->tx_prd;