diff options
-rw-r--r-- | drivers/net/pcnet32.c | 62 |
1 files changed, 41 insertions, 21 deletions
diff --git a/drivers/net/pcnet32.c b/drivers/net/pcnet32.c index 70fe81a89df9..31e6dd049859 100644 --- a/drivers/net/pcnet32.c +++ b/drivers/net/pcnet32.c | |||
@@ -22,8 +22,8 @@ | |||
22 | *************************************************************************/ | 22 | *************************************************************************/ |
23 | 23 | ||
24 | #define DRV_NAME "pcnet32" | 24 | #define DRV_NAME "pcnet32" |
25 | #define DRV_VERSION "1.31a" | 25 | #define DRV_VERSION "1.31b" |
26 | #define DRV_RELDATE "12.Sep.2005" | 26 | #define DRV_RELDATE "06.Oct.2005" |
27 | #define PFX DRV_NAME ": " | 27 | #define PFX DRV_NAME ": " |
28 | 28 | ||
29 | static const char *version = | 29 | static const char *version = |
@@ -260,6 +260,8 @@ static int homepna[MAX_UNITS]; | |||
260 | * v1.31 02 Sep 2005 Hubert WS Lin <wslin@tw.ibm.c0m> added set_ringparam(). | 260 | * v1.31 02 Sep 2005 Hubert WS Lin <wslin@tw.ibm.c0m> added set_ringparam(). |
261 | * v1.31a 12 Sep 2005 Hubert WS Lin <wslin@tw.ibm.c0m> set min ring size to 4 | 261 | * v1.31a 12 Sep 2005 Hubert WS Lin <wslin@tw.ibm.c0m> set min ring size to 4 |
262 | * to allow loopback test to work unchanged. | 262 | * to allow loopback test to work unchanged. |
263 | * v1.31b 06 Oct 2005 Don Fry changed alloc_ring to show name of device | ||
264 | * if allocation fails | ||
263 | */ | 265 | */ |
264 | 266 | ||
265 | 267 | ||
@@ -408,7 +410,7 @@ static int pcnet32_get_regs_len(struct net_device *dev); | |||
408 | static void pcnet32_get_regs(struct net_device *dev, struct ethtool_regs *regs, | 410 | static void pcnet32_get_regs(struct net_device *dev, struct ethtool_regs *regs, |
409 | void *ptr); | 411 | void *ptr); |
410 | static void pcnet32_purge_tx_ring(struct net_device *dev); | 412 | static void pcnet32_purge_tx_ring(struct net_device *dev); |
411 | static int pcnet32_alloc_ring(struct net_device *dev); | 413 | static int pcnet32_alloc_ring(struct net_device *dev, char *name); |
412 | static void pcnet32_free_ring(struct net_device *dev); | 414 | static void pcnet32_free_ring(struct net_device *dev); |
413 | 415 | ||
414 | 416 | ||
@@ -669,15 +671,17 @@ static int pcnet32_set_ringparam(struct net_device *dev, struct ethtool_ringpara | |||
669 | lp->rx_mod_mask = lp->rx_ring_size - 1; | 671 | lp->rx_mod_mask = lp->rx_ring_size - 1; |
670 | lp->rx_len_bits = (i << 4); | 672 | lp->rx_len_bits = (i << 4); |
671 | 673 | ||
672 | if (pcnet32_alloc_ring(dev)) { | 674 | if (pcnet32_alloc_ring(dev, dev->name)) { |
673 | pcnet32_free_ring(dev); | 675 | pcnet32_free_ring(dev); |
676 | spin_unlock_irqrestore(&lp->lock, flags); | ||
674 | return -ENOMEM; | 677 | return -ENOMEM; |
675 | } | 678 | } |
676 | 679 | ||
677 | spin_unlock_irqrestore(&lp->lock, flags); | 680 | spin_unlock_irqrestore(&lp->lock, flags); |
678 | 681 | ||
679 | if (pcnet32_debug & NETIF_MSG_DRV) | 682 | if (pcnet32_debug & NETIF_MSG_DRV) |
680 | printk(KERN_INFO PFX "Ring Param Settings: RX: %d, TX: %d\n", lp->rx_ring_size, lp->tx_ring_size); | 683 | printk(KERN_INFO PFX "%s: Ring Param Settings: RX: %d, TX: %d\n", |
684 | dev->name, lp->rx_ring_size, lp->tx_ring_size); | ||
681 | 685 | ||
682 | if (netif_running(dev)) | 686 | if (netif_running(dev)) |
683 | pcnet32_open(dev); | 687 | pcnet32_open(dev); |
@@ -1340,7 +1344,8 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev) | |||
1340 | } | 1344 | } |
1341 | lp->a = *a; | 1345 | lp->a = *a; |
1342 | 1346 | ||
1343 | if (pcnet32_alloc_ring(dev)) { | 1347 | /* prior to register_netdev, dev->name is not yet correct */ |
1348 | if (pcnet32_alloc_ring(dev, pci_name(lp->pci_dev))) { | ||
1344 | ret = -ENOMEM; | 1349 | ret = -ENOMEM; |
1345 | goto err_free_ring; | 1350 | goto err_free_ring; |
1346 | } | 1351 | } |
@@ -1448,48 +1453,63 @@ err_release_region: | |||
1448 | } | 1453 | } |
1449 | 1454 | ||
1450 | 1455 | ||
1451 | static int pcnet32_alloc_ring(struct net_device *dev) | 1456 | /* if any allocation fails, caller must also call pcnet32_free_ring */ |
1457 | static int pcnet32_alloc_ring(struct net_device *dev, char *name) | ||
1452 | { | 1458 | { |
1453 | struct pcnet32_private *lp = dev->priv; | 1459 | struct pcnet32_private *lp = dev->priv; |
1454 | 1460 | ||
1455 | if ((lp->tx_ring = pci_alloc_consistent(lp->pci_dev, sizeof(struct pcnet32_tx_head) * lp->tx_ring_size, | 1461 | lp->tx_ring = pci_alloc_consistent(lp->pci_dev, |
1456 | &lp->tx_ring_dma_addr)) == NULL) { | 1462 | sizeof(struct pcnet32_tx_head) * lp->tx_ring_size, |
1463 | &lp->tx_ring_dma_addr); | ||
1464 | if (lp->tx_ring == NULL) { | ||
1457 | if (pcnet32_debug & NETIF_MSG_DRV) | 1465 | if (pcnet32_debug & NETIF_MSG_DRV) |
1458 | printk(KERN_ERR PFX "Consistent memory allocation failed.\n"); | 1466 | printk("\n" KERN_ERR PFX "%s: Consistent memory allocation failed.\n", |
1467 | name); | ||
1459 | return -ENOMEM; | 1468 | return -ENOMEM; |
1460 | } | 1469 | } |
1461 | 1470 | ||
1462 | if ((lp->rx_ring = pci_alloc_consistent(lp->pci_dev, sizeof(struct pcnet32_rx_head) * lp->rx_ring_size, | 1471 | lp->rx_ring = pci_alloc_consistent(lp->pci_dev, |
1463 | &lp->rx_ring_dma_addr)) == NULL) { | 1472 | sizeof(struct pcnet32_rx_head) * lp->rx_ring_size, |
1473 | &lp->rx_ring_dma_addr); | ||
1474 | if (lp->rx_ring == NULL) { | ||
1464 | if (pcnet32_debug & NETIF_MSG_DRV) | 1475 | if (pcnet32_debug & NETIF_MSG_DRV) |
1465 | printk(KERN_ERR PFX "Consistent memory allocation failed.\n"); | 1476 | printk("\n" KERN_ERR PFX "%s: Consistent memory allocation failed.\n", |
1477 | name); | ||
1466 | return -ENOMEM; | 1478 | return -ENOMEM; |
1467 | } | 1479 | } |
1468 | 1480 | ||
1469 | if (!(lp->tx_dma_addr = kmalloc(sizeof(dma_addr_t) * lp->tx_ring_size, GFP_ATOMIC))) { | 1481 | lp->tx_dma_addr = kmalloc(sizeof(dma_addr_t) * lp->tx_ring_size, |
1482 | GFP_ATOMIC); | ||
1483 | if (!lp->tx_dma_addr) { | ||
1470 | if (pcnet32_debug & NETIF_MSG_DRV) | 1484 | if (pcnet32_debug & NETIF_MSG_DRV) |
1471 | printk(KERN_ERR PFX "Memory allocation failed.\n"); | 1485 | printk("\n" KERN_ERR PFX "%s: Memory allocation failed.\n", name); |
1472 | return -ENOMEM; | 1486 | return -ENOMEM; |
1473 | } | 1487 | } |
1474 | memset(lp->tx_dma_addr, 0, sizeof(dma_addr_t) * lp->tx_ring_size); | 1488 | memset(lp->tx_dma_addr, 0, sizeof(dma_addr_t) * lp->tx_ring_size); |
1475 | 1489 | ||
1476 | if (!(lp->rx_dma_addr = kmalloc(sizeof(dma_addr_t) * lp->rx_ring_size, GFP_ATOMIC))) { | 1490 | lp->rx_dma_addr = kmalloc(sizeof(dma_addr_t) * lp->rx_ring_size, |
1491 | GFP_ATOMIC); | ||
1492 | if (!lp->rx_dma_addr) { | ||
1477 | if (pcnet32_debug & NETIF_MSG_DRV) | 1493 | if (pcnet32_debug & NETIF_MSG_DRV) |
1478 | printk(KERN_ERR PFX "Memory allocation failed.\n"); | 1494 | printk("\n" KERN_ERR PFX "%s: Memory allocation failed.\n", name); |
1479 | return -ENOMEM; | 1495 | return -ENOMEM; |
1480 | } | 1496 | } |
1481 | memset(lp->rx_dma_addr, 0, sizeof(dma_addr_t) * lp->rx_ring_size); | 1497 | memset(lp->rx_dma_addr, 0, sizeof(dma_addr_t) * lp->rx_ring_size); |
1482 | 1498 | ||
1483 | if (!(lp->tx_skbuff = kmalloc(sizeof(struct sk_buff *) * lp->tx_ring_size, GFP_ATOMIC))) { | 1499 | lp->tx_skbuff = kmalloc(sizeof(struct sk_buff *) * lp->tx_ring_size, |
1500 | GFP_ATOMIC); | ||
1501 | if (!lp->tx_skbuff) { | ||
1484 | if (pcnet32_debug & NETIF_MSG_DRV) | 1502 | if (pcnet32_debug & NETIF_MSG_DRV) |
1485 | printk(KERN_ERR PFX "Memory allocation failed.\n"); | 1503 | printk("\n" KERN_ERR PFX "%s: Memory allocation failed.\n", name); |
1486 | return -ENOMEM; | 1504 | return -ENOMEM; |
1487 | } | 1505 | } |
1488 | memset(lp->tx_skbuff, 0, sizeof(struct sk_buff *) * lp->tx_ring_size); | 1506 | memset(lp->tx_skbuff, 0, sizeof(struct sk_buff *) * lp->tx_ring_size); |
1489 | 1507 | ||
1490 | if (!(lp->rx_skbuff = kmalloc(sizeof(struct sk_buff *) * lp->rx_ring_size, GFP_ATOMIC))) { | 1508 | lp->rx_skbuff = kmalloc(sizeof(struct sk_buff *) * lp->rx_ring_size, |
1509 | GFP_ATOMIC); | ||
1510 | if (!lp->rx_skbuff) { | ||
1491 | if (pcnet32_debug & NETIF_MSG_DRV) | 1511 | if (pcnet32_debug & NETIF_MSG_DRV) |
1492 | printk(KERN_ERR PFX "Memory allocation failed.\n"); | 1512 | printk("\n" KERN_ERR PFX "%s: Memory allocation failed.\n", name); |
1493 | return -ENOMEM; | 1513 | return -ENOMEM; |
1494 | } | 1514 | } |
1495 | memset(lp->rx_skbuff, 0, sizeof(struct sk_buff *) * lp->rx_ring_size); | 1515 | memset(lp->rx_skbuff, 0, sizeof(struct sk_buff *) * lp->rx_ring_size); |