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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d 
 kernel/drivers/net/ethernet/dlink/sundance.c
....@@ -18,14 +18,11 @@
1818 	http://www.scyld.com/network/sundance.html
1919 	[link no longer provides useful info -jgarzik]
2020 	Archives of the mailing list are still available at
21
-	http://www.beowulf.org/pipermail/netdrivers/
21
+	https://www.beowulf.org/pipermail/netdrivers/
2222 
2323 */
2424 
2525 #define DRV_NAME	"sundance"
26
-#define DRV_VERSION	"1.2"
27
-#define DRV_RELDATE	"11-Sep-2006"
28
-
2926 
3027 /* The user-configurable values.
3128    These may be modified when a driver module is loaded.*/
....@@ -100,11 +97,6 @@
10097 #include <linux/crc32.h>
10198 #include <linux/ethtool.h>
10299 #include <linux/mii.h>
103
-
104
-/* These identify the driver base version and may not be removed. */
105
-static const char version[] =
106
-	KERN_INFO DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE
107
-	" Written by Donald Becker\n";
108100 
109101 MODULE_AUTHOR("Donald Becker <becker@scyld.com>");
110102 MODULE_DESCRIPTION("Sundance Alta Ethernet driver");
....@@ -375,6 +367,7 @@
375367         dma_addr_t tx_ring_dma;
376368         dma_addr_t rx_ring_dma;
377369 	struct timer_list timer;		/* Media monitoring timer. */
370
+	struct net_device *ndev;		/* backpointer */
378371 	/* ethtool extra stats */
379372 	struct {
380373 		u64 tx_multiple_collisions;
....@@ -432,13 +425,13 @@
432425 static int  netdev_open(struct net_device *dev);
433426 static void check_duplex(struct net_device *dev);
434427 static void netdev_timer(struct timer_list *t);
435
-static void tx_timeout(struct net_device *dev);
428
+static void tx_timeout(struct net_device *dev, unsigned int txqueue);
436429 static void init_ring(struct net_device *dev);
437430 static netdev_tx_t start_tx(struct sk_buff *skb, struct net_device *dev);
438431 static int reset_tx (struct net_device *dev);
439432 static irqreturn_t intr_handler(int irq, void *dev_instance);
440
-static void rx_poll(unsigned long data);
441
-static void tx_poll(unsigned long data);
433
+static void rx_poll(struct tasklet_struct *t);
434
+static void tx_poll(struct tasklet_struct *t);
442435 static void refill_rx (struct net_device *dev);
443436 static void netdev_error(struct net_device *dev, int intr_status);
444437 static void netdev_error(struct net_device *dev, int intr_status);
....@@ -516,13 +509,6 @@
516509 #endif
517510 	int phy, phy_end, phy_idx = 0;
518511 
519
-/* when built into the kernel, we only print version if device is found */
520
-#ifndef MODULE
521
-	static int printed_version;
522
-	if (!printed_version++)
523
-		printk(version);
524
-#endif
525
-
526512 	if (pci_enable_device(pdev))
527513 		return -EIO;
528514 	pci_set_master(pdev);
....@@ -546,14 +532,15 @@
546532 			cpu_to_le16(eeprom_read(ioaddr, i + EEPROM_SA_OFFSET));
547533 
548534 	np = netdev_priv(dev);
535
+	np->ndev = dev;
549536 	np->base = ioaddr;
550537 	np->pci_dev = pdev;
551538 	np->chip_id = chip_idx;
552539 	np->msg_enable = (1 << debug) - 1;
553540 	spin_lock_init(&np->lock);
554541 	spin_lock_init(&np->statlock);
555
-	tasklet_init(&np->rx_tasklet, rx_poll, (unsigned long)dev);
556
-	tasklet_init(&np->tx_tasklet, tx_poll, (unsigned long)dev);
542
+	tasklet_setup(&np->rx_tasklet, rx_poll);
543
+	tasklet_setup(&np->tx_tasklet, tx_poll);
557544 
558545 	ring_space = dma_alloc_coherent(&pdev->dev, TX_TOTAL_SIZE,
559546 			&ring_dma, GFP_KERNEL);
....@@ -969,14 +956,14 @@
969956 	add_timer(&np->timer);
970957 }
971958 
972
-static void tx_timeout(struct net_device *dev)
959
+static void tx_timeout(struct net_device *dev, unsigned int txqueue)
973960 {
974961 	struct netdev_private *np = netdev_priv(dev);
975962 	void __iomem *ioaddr = np->base;
976963 	unsigned long flag;
977964 
978965 	netif_stop_queue(dev);
979
-	tasklet_disable(&np->tx_tasklet);
966
+	tasklet_disable_in_atomic(&np->tx_tasklet);
980967 	iowrite16(0, ioaddr + IntrEnable);
981968 	printk(KERN_WARNING "%s: Transmit timed out, TxStatus %2.2x "
982969 		   "TxFrameId %2.2x,"
....@@ -1069,10 +1056,9 @@
10691056 	}
10701057 }
10711058 
1072
-static void tx_poll (unsigned long data)
1059
+static void tx_poll(struct tasklet_struct *t)
10731060 {
1074
-	struct net_device *dev = (struct net_device *)data;
1075
-	struct netdev_private *np = netdev_priv(dev);
1061
+	struct netdev_private *np = from_tasklet(np, t, tx_tasklet);
10761062 	unsigned head = np->cur_task % TX_RING_SIZE;
10771063 	struct netdev_desc *txdesc =
10781064 		&np->tx_ring[(np->cur_tx - 1) % TX_RING_SIZE];
....@@ -1193,7 +1179,6 @@
11931179 	int handled = 0;
11941180 	int i;
11951181 
1196
-
11971182 	do {
11981183 		int intr_status = ioread16(ioaddr + IntrStatus);
11991184 		iowrite16(intr_status, ioaddr + IntrStatus);
....@@ -1286,7 +1271,7 @@
12861271 				dma_unmap_single(&np->pci_dev->dev,
12871272 					le32_to_cpu(np->tx_ring[entry].frag[0].addr),
12881273 					skb->len, DMA_TO_DEVICE);
1289
-				dev_kfree_skb_irq (np->tx_skbuff[entry]);
1274
+				dev_consume_skb_irq(np->tx_skbuff[entry]);
12901275 				np->tx_skbuff[entry] = NULL;
12911276 				np->tx_ring[entry].frag[0].addr = 0;
12921277 				np->tx_ring[entry].frag[0].length = 0;
....@@ -1305,7 +1290,7 @@
13051290 				dma_unmap_single(&np->pci_dev->dev,
13061291 					le32_to_cpu(np->tx_ring[entry].frag[0].addr),
13071292 					skb->len, DMA_TO_DEVICE);
1308
-				dev_kfree_skb_irq (np->tx_skbuff[entry]);
1293
+				dev_consume_skb_irq(np->tx_skbuff[entry]);
13091294 				np->tx_skbuff[entry] = NULL;
13101295 				np->tx_ring[entry].frag[0].addr = 0;
13111296 				np->tx_ring[entry].frag[0].length = 0;
....@@ -1328,10 +1313,10 @@
13281313 	return IRQ_RETVAL(handled);
13291314 }
13301315 
1331
-static void rx_poll(unsigned long data)
1316
+static void rx_poll(struct tasklet_struct *t)
13321317 {
1333
-	struct net_device *dev = (struct net_device *)data;
1334
-	struct netdev_private *np = netdev_priv(dev);
1318
+	struct netdev_private *np = from_tasklet(np, t, rx_tasklet);
1319
+	struct net_device *dev = np->ndev;
13351320 	int entry = np->cur_rx % RX_RING_SIZE;
13361321 	int boguscnt = np->budget;
13371322 	void __iomem *ioaddr = np->base;
....@@ -1658,7 +1643,6 @@
16581643 {
16591644 	struct netdev_private *np = netdev_priv(dev);
16601645 	strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
1661
-	strlcpy(info->version, DRV_VERSION, sizeof(info->version));
16621646 	strlcpy(info->bus_info, pci_name(np->pci_dev), sizeof(info->bus_info));
16631647 }
16641648 
....@@ -1945,11 +1929,9 @@
19451929 	}
19461930 }
19471931 
1948
-#ifdef CONFIG_PM
1949
-
1950
-static int sundance_suspend(struct pci_dev *pci_dev, pm_message_t state)
1932
+static int __maybe_unused sundance_suspend(struct device *dev_d)
19511933 {
1952
-	struct net_device *dev = pci_get_drvdata(pci_dev);
1934
+	struct net_device *dev = dev_get_drvdata(dev_d);
19531935 	struct netdev_private *np = netdev_priv(dev);
19541936 	void __iomem *ioaddr = np->base;
19551937 
....@@ -1959,29 +1941,23 @@
19591941 	netdev_close(dev);
19601942 	netif_device_detach(dev);
19611943 
1962
-	pci_save_state(pci_dev);
19631944 	if (np->wol_enabled) {
19641945 		iowrite8(AcceptBroadcast | AcceptMyPhys, ioaddr + RxMode);
19651946 		iowrite16(RxEnable, ioaddr + MACCtrl1);
19661947 	}
1967
-	pci_enable_wake(pci_dev, pci_choose_state(pci_dev, state),
1968
-			np->wol_enabled);
1969
-	pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
1948
+
1949
+	device_set_wakeup_enable(dev_d, np->wol_enabled);
19701950 
19711951 	return 0;
19721952 }
19731953 
1974
-static int sundance_resume(struct pci_dev *pci_dev)
1954
+static int __maybe_unused sundance_resume(struct device *dev_d)
19751955 {
1976
-	struct net_device *dev = pci_get_drvdata(pci_dev);
1956
+	struct net_device *dev = dev_get_drvdata(dev_d);
19771957 	int err = 0;
19781958 
19791959 	if (!netif_running(dev))
19801960 		return 0;
1981
-
1982
-	pci_set_power_state(pci_dev, PCI_D0);
1983
-	pci_restore_state(pci_dev);
1984
-	pci_enable_wake(pci_dev, PCI_D0, 0);
19851961 
19861962 	err = netdev_open(dev);
19871963 	if (err) {
....@@ -1996,25 +1972,18 @@
19961972 	return err;
19971973 }
19981974 
1999
-#endif /* CONFIG_PM */
1975
+static SIMPLE_DEV_PM_OPS(sundance_pm_ops, sundance_suspend, sundance_resume);
20001976 
20011977 static struct pci_driver sundance_driver = {
20021978 	.name		= DRV_NAME,
20031979 	.id_table	= sundance_pci_tbl,
20041980 	.probe		= sundance_probe1,
20051981 	.remove		= sundance_remove1,
2006
-#ifdef CONFIG_PM
2007
-	.suspend	= sundance_suspend,
2008
-	.resume		= sundance_resume,
2009
-#endif /* CONFIG_PM */
1982
+	.driver.pm	= &sundance_pm_ops,
20101983 };
20111984 
20121985 static int __init sundance_init(void)
20131986 {
2014
-/* when a module, this is printed whether or not devices are found in probe */
2015
-#ifdef MODULE
2016
-	printk(version);
2017
-#endif
20181987 	return pci_register_driver(&sundance_driver);
20191988 }
20201989