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authorLinus Torvalds <torvalds@g5.osdl.org>2006-09-24 10:15:13 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-09-24 10:15:13 -0700
commita319a2773a13bab56a0d0b3744ba8703324313b5 (patch)
treef02c86acabd1031439fd422a167784007e84ebb1 /drivers/net/8139cp.c
parente18fa700c9a31360bc8f193aa543b7ef7b39a06b (diff)
parent183798799216fad36c7219fe8d4d6dee6b8fa755 (diff)
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Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (217 commits) net/ieee80211: fix more crypto-related build breakage [PATCH] Spidernet: add ethtool -S (show statistics) [NET] GT96100: Delete bitrotting ethernet driver [PATCH] mv643xx_eth: restrict to 32-bit PPC_MULTIPLATFORM [PATCH] Cirrus Logic ep93xx ethernet driver r8169: the MMIO region of the 8167 stands behin BAR#1 e1000, ixgb: Remove pointless wrappers [PATCH] Remove powerpc specific parts of 3c509 driver [PATCH] s2io: Switch to pci_get_device [PATCH] gt96100: move to pci_get_device API [PATCH] ehea: bugfix for register access functions [PATCH] e1000 disable device on PCI error drivers/net/phy/fixed: #if 0 some incomplete code drivers/net: const-ify ethtool_ops declarations [PATCH] ethtool: allow const ethtool_ops [PATCH] sky2: big endian [PATCH] sky2: fiber support [PATCH] sky2: tx pause bug fix drivers/net: Trim trailing whitespace [PATCH] ehea: IBM eHEA Ethernet Device Driver ... Manually resolved conflicts in drivers/net/ixgb/ixgb_main.c and drivers/net/sky2.c related to CHECKSUM_HW/CHECKSUM_PARTIAL changes by commit 84fa7933a33f806bbbaae6775e87459b1ec584c0 that just happened to be next to unrelated changes in this update.
Diffstat (limited to 'drivers/net/8139cp.c')
-rw-r--r--drivers/net/8139cp.c122
1 files changed, 54 insertions, 68 deletions
diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c
index a48b211c489d..5a4990ae3730 100644
--- a/drivers/net/8139cp.c
+++ b/drivers/net/8139cp.c
@@ -48,7 +48,7 @@
*/
#define DRV_NAME "8139cp"
-#define DRV_VERSION "1.2"
+#define DRV_VERSION "1.3"
#define DRV_RELDATE "Mar 22, 2004"
@@ -314,12 +314,6 @@ struct cp_desc {
u64 addr;
};
-struct ring_info {
- struct sk_buff *skb;
- dma_addr_t mapping;
- u32 len;
-};
-
struct cp_dma_stats {
u64 tx_ok;
u64 rx_ok;
@@ -353,23 +347,23 @@ struct cp_private {
struct net_device_stats net_stats;
struct cp_extra_stats cp_stats;
- unsigned rx_tail ____cacheline_aligned;
+ unsigned rx_head ____cacheline_aligned;
+ unsigned rx_tail;
struct cp_desc *rx_ring;
- struct ring_info rx_skb[CP_RX_RING_SIZE];
- unsigned rx_buf_sz;
+ struct sk_buff *rx_skb[CP_RX_RING_SIZE];
unsigned tx_head ____cacheline_aligned;
unsigned tx_tail;
-
struct cp_desc *tx_ring;
- struct ring_info tx_skb[CP_TX_RING_SIZE];
- dma_addr_t ring_dma;
+ struct sk_buff *tx_skb[CP_TX_RING_SIZE];
+
+ unsigned rx_buf_sz;
+ unsigned wol_enabled : 1; /* Is Wake-on-LAN enabled? */
#if CP_VLAN_TAG_USED
struct vlan_group *vlgrp;
#endif
-
- unsigned int wol_enabled : 1; /* Is Wake-on-LAN enabled? */
+ dma_addr_t ring_dma;
struct mii_if_info mii_if;
};
@@ -407,10 +401,8 @@ static int cp_set_eeprom(struct net_device *dev,
struct ethtool_eeprom *eeprom, u8 *data);
static struct pci_device_id cp_pci_tbl[] = {
- { PCI_VENDOR_ID_REALTEK, PCI_DEVICE_ID_REALTEK_8139,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0, },
- { PCI_VENDOR_ID_TTTECH, PCI_DEVICE_ID_TTTECH_MC322,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0, },
+ { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, PCI_DEVICE_ID_REALTEK_8139), },
+ { PCI_DEVICE(PCI_VENDOR_ID_TTTECH, PCI_DEVICE_ID_TTTECH_MC322), },
{ },
};
MODULE_DEVICE_TABLE(pci, cp_pci_tbl);
@@ -542,7 +534,7 @@ rx_status_loop:
struct cp_desc *desc;
unsigned buflen;
- skb = cp->rx_skb[rx_tail].skb;
+ skb = cp->rx_skb[rx_tail];
BUG_ON(!skb);
desc = &cp->rx_ring[rx_tail];
@@ -551,7 +543,7 @@ rx_status_loop:
break;
len = (status & 0x1fff) - 4;
- mapping = cp->rx_skb[rx_tail].mapping;
+ mapping = le64_to_cpu(desc->addr);
if ((status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag)) {
/* we don't support incoming fragmented frames.
@@ -572,7 +564,7 @@ rx_status_loop:
if (netif_msg_rx_status(cp))
printk(KERN_DEBUG "%s: rx slot %d status 0x%x len %d\n",
- cp->dev->name, rx_tail, status, len);
+ dev->name, rx_tail, status, len);
buflen = cp->rx_buf_sz + RX_OFFSET;
new_skb = dev_alloc_skb (buflen);
@@ -582,7 +574,7 @@ rx_status_loop:
}
skb_reserve(new_skb, RX_OFFSET);
- new_skb->dev = cp->dev;
+ new_skb->dev = dev;
pci_unmap_single(cp->pdev, mapping,
buflen, PCI_DMA_FROMDEVICE);
@@ -595,11 +587,9 @@ rx_status_loop:
skb_put(skb, len);
- mapping =
- cp->rx_skb[rx_tail].mapping =
- pci_map_single(cp->pdev, new_skb->data,
- buflen, PCI_DMA_FROMDEVICE);
- cp->rx_skb[rx_tail].skb = new_skb;
+ mapping = pci_map_single(cp->pdev, new_skb->data, buflen,
+ PCI_DMA_FROMDEVICE);
+ cp->rx_skb[rx_tail] = new_skb;
cp_rx_skb(cp, skb, desc);
rx++;
@@ -717,19 +707,21 @@ static void cp_tx (struct cp_private *cp)
unsigned tx_tail = cp->tx_tail;
while (tx_tail != tx_head) {
+ struct cp_desc *txd = cp->tx_ring + tx_tail;
struct sk_buff *skb;
u32 status;
rmb();
- status = le32_to_cpu(cp->tx_ring[tx_tail].opts1);
+ status = le32_to_cpu(txd->opts1);
if (status & DescOwn)
break;
- skb = cp->tx_skb[tx_tail].skb;
+ skb = cp->tx_skb[tx_tail];
BUG_ON(!skb);
- pci_unmap_single(cp->pdev, cp->tx_skb[tx_tail].mapping,
- cp->tx_skb[tx_tail].len, PCI_DMA_TODEVICE);
+ pci_unmap_single(cp->pdev, le64_to_cpu(txd->addr),
+ le32_to_cpu(txd->opts1) & 0xffff,
+ PCI_DMA_TODEVICE);
if (status & LastFrag) {
if (status & (TxError | TxFIFOUnder)) {
@@ -756,7 +748,7 @@ static void cp_tx (struct cp_private *cp)
dev_kfree_skb_irq(skb);
}
- cp->tx_skb[tx_tail].skb = NULL;
+ cp->tx_skb[tx_tail] = NULL;
tx_tail = NEXT_TX(tx_tail);
}
@@ -826,9 +818,7 @@ static int cp_start_xmit (struct sk_buff *skb, struct net_device *dev)
txd->opts1 = cpu_to_le32(flags);
wmb();
- cp->tx_skb[entry].skb = skb;
- cp->tx_skb[entry].mapping = mapping;
- cp->tx_skb[entry].len = len;
+ cp->tx_skb[entry] = skb;
entry = NEXT_TX(entry);
} else {
struct cp_desc *txd;
@@ -844,9 +834,7 @@ static int cp_start_xmit (struct sk_buff *skb, struct net_device *dev)
first_len = skb_headlen(skb);
first_mapping = pci_map_single(cp->pdev, skb->data,
first_len, PCI_DMA_TODEVICE);
- cp->tx_skb[entry].skb = skb;
- cp->tx_skb[entry].mapping = first_mapping;
- cp->tx_skb[entry].len = first_len;
+ cp->tx_skb[entry] = skb;
entry = NEXT_TX(entry);
for (frag = 0; frag < skb_shinfo(skb)->nr_frags; frag++) {
@@ -887,9 +875,7 @@ static int cp_start_xmit (struct sk_buff *skb, struct net_device *dev)
txd->opts1 = cpu_to_le32(ctrl);
wmb();
- cp->tx_skb[entry].skb = skb;
- cp->tx_skb[entry].mapping = mapping;
- cp->tx_skb[entry].len = len;
+ cp->tx_skb[entry] = skb;
entry = NEXT_TX(entry);
}
@@ -942,8 +928,6 @@ static void __cp_set_rx_mode (struct net_device *dev)
/* Note: do not reorder, GCC is clever about common statements. */
if (dev->flags & IFF_PROMISC) {
/* Unconditionally log net taps. */
- printk (KERN_NOTICE "%s: Promiscuous mode enabled.\n",
- dev->name);
rx_mode =
AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
AcceptAllPhys;
@@ -1091,6 +1075,7 @@ static int cp_refill_rx (struct cp_private *cp)
for (i = 0; i < CP_RX_RING_SIZE; i++) {
struct sk_buff *skb;
+ dma_addr_t mapping;
skb = dev_alloc_skb(cp->rx_buf_sz + RX_OFFSET);
if (!skb)
@@ -1099,12 +1084,12 @@ static int cp_refill_rx (struct cp_private *cp)
skb->dev = cp->dev;
skb_reserve(skb, RX_OFFSET);
- cp->rx_skb[i].mapping = pci_map_single(cp->pdev,
- skb->data, cp->rx_buf_sz, PCI_DMA_FROMDEVICE);
- cp->rx_skb[i].skb = skb;
+ mapping = pci_map_single(cp->pdev, skb->data, cp->rx_buf_sz,
+ PCI_DMA_FROMDEVICE);
+ cp->rx_skb[i] = skb;
cp->rx_ring[i].opts2 = 0;
- cp->rx_ring[i].addr = cpu_to_le64(cp->rx_skb[i].mapping);
+ cp->rx_ring[i].addr = cpu_to_le64(mapping);
if (i == (CP_RX_RING_SIZE - 1))
cp->rx_ring[i].opts1 =
cpu_to_le32(DescOwn | RingEnd | cp->rx_buf_sz);
@@ -1152,23 +1137,27 @@ static int cp_alloc_rings (struct cp_private *cp)
static void cp_clean_rings (struct cp_private *cp)
{
+ struct cp_desc *desc;
unsigned i;
for (i = 0; i < CP_RX_RING_SIZE; i++) {
- if (cp->rx_skb[i].skb) {
- pci_unmap_single(cp->pdev, cp->rx_skb[i].mapping,
+ if (cp->rx_skb[i]) {
+ desc = cp->rx_ring + i;
+ pci_unmap_single(cp->pdev, le64_to_cpu(desc->addr),
cp->rx_buf_sz, PCI_DMA_FROMDEVICE);
- dev_kfree_skb(cp->rx_skb[i].skb);
+ dev_kfree_skb(cp->rx_skb[i]);
}
}
for (i = 0; i < CP_TX_RING_SIZE; i++) {
- if (cp->tx_skb[i].skb) {
- struct sk_buff *skb = cp->tx_skb[i].skb;
-
- pci_unmap_single(cp->pdev, cp->tx_skb[i].mapping,
- cp->tx_skb[i].len, PCI_DMA_TODEVICE);
- if (le32_to_cpu(cp->tx_ring[i].opts1) & LastFrag)
+ if (cp->tx_skb[i]) {
+ struct sk_buff *skb = cp->tx_skb[i];
+
+ desc = cp->tx_ring + i;
+ pci_unmap_single(cp->pdev, le64_to_cpu(desc->addr),
+ le32_to_cpu(desc->opts1) & 0xffff,
+ PCI_DMA_TODEVICE);
+ if (le32_to_cpu(desc->opts1) & LastFrag)
dev_kfree_skb(skb);
cp->net_stats.tx_dropped++;
}
@@ -1177,8 +1166,8 @@ static void cp_clean_rings (struct cp_private *cp)
memset(cp->rx_ring, 0, sizeof(struct cp_desc) * CP_RX_RING_SIZE);
memset(cp->tx_ring, 0, sizeof(struct cp_desc) * CP_TX_RING_SIZE);
- memset(&cp->rx_skb, 0, sizeof(struct ring_info) * CP_RX_RING_SIZE);
- memset(&cp->tx_skb, 0, sizeof(struct ring_info) * CP_TX_RING_SIZE);
+ memset(cp->rx_skb, 0, sizeof(struct sk_buff *) * CP_RX_RING_SIZE);
+ memset(cp->tx_skb, 0, sizeof(struct sk_buff *) * CP_TX_RING_SIZE);
}
static void cp_free_rings (struct cp_private *cp)
@@ -1557,7 +1546,7 @@ static void cp_get_ethtool_stats (struct net_device *dev,
pci_free_consistent(cp->pdev, sizeof(*nic_stats), nic_stats, dma);
}
-static struct ethtool_ops cp_ethtool_ops = {
+static const struct ethtool_ops cp_ethtool_ops = {
.get_drvinfo = cp_get_drvinfo,
.get_regs_len = cp_get_regs_len,
.get_stats_count = cp_get_stats_count,
@@ -2010,7 +1999,6 @@ static void cp_remove_one (struct pci_dev *pdev)
struct net_device *dev = pci_get_drvdata(pdev);
struct cp_private *cp = netdev_priv(dev);
- BUG_ON(!dev);
unregister_netdev(dev);
iounmap(cp->regs);
if (cp->wol_enabled)
@@ -2025,14 +2013,12 @@ static void cp_remove_one (struct pci_dev *pdev)
#ifdef CONFIG_PM
static int cp_suspend (struct pci_dev *pdev, pm_message_t state)
{
- struct net_device *dev;
- struct cp_private *cp;
+ struct net_device *dev = pci_get_drvdata(pdev);
+ struct cp_private *cp = netdev_priv(dev);
unsigned long flags;
- dev = pci_get_drvdata (pdev);
- cp = netdev_priv(dev);
-
- if (!dev || !netif_running (dev)) return 0;
+ if (!netif_running(dev))
+ return 0;
netif_device_detach (dev);
netif_stop_queue (dev);
@@ -2098,7 +2084,7 @@ static int __init cp_init (void)
#ifdef MODULE
printk("%s", version);
#endif
- return pci_module_init (&cp_driver);
+ return pci_register_driver(&cp_driver);
}
static void __exit cp_exit (void)