#include <linux/spinlock.h>
#include <linux/moduleparam.h>
#include <linux/bitops.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
#include <asm/dma.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
#include <asm/irq.h>
/*
static unsigned int pcnet32_portlist[] __initdata =
{ 0x300, 0x320, 0x340, 0x360, 0 };
-static int pcnet32_debug = 0;
+static int pcnet32_debug;
static int tx_start = 1; /* Mapping -- 0:20, 1:64, 2:128, 3:~220 (depends on chip vers) */
static int pcnet32vlb; /* check for VLB cards ? */
static u16 pcnet32_dwio_read_csr(unsigned long addr, int index)
{
outl(index, addr + PCNET32_DWIO_RAP);
- return (inl(addr + PCNET32_DWIO_RDP) & 0xffff);
+ return inl(addr + PCNET32_DWIO_RDP) & 0xffff;
}
static void pcnet32_dwio_write_csr(unsigned long addr, int index, u16 val)
static u16 pcnet32_dwio_read_bcr(unsigned long addr, int index)
{
outl(index, addr + PCNET32_DWIO_RAP);
- return (inl(addr + PCNET32_DWIO_BDP) & 0xffff);
+ return inl(addr + PCNET32_DWIO_BDP) & 0xffff;
}
static void pcnet32_dwio_write_bcr(unsigned long addr, int index, u16 val)
static u16 pcnet32_dwio_read_rap(unsigned long addr)
{
- return (inl(addr + PCNET32_DWIO_RAP) & 0xffff);
+ return inl(addr + PCNET32_DWIO_RAP) & 0xffff;
}
static void pcnet32_dwio_write_rap(unsigned long addr, u16 val)
lp->tx_skbuff = new_skb_list;
return;
- free_new_lists:
+free_new_lists:
kfree(new_dma_addr_list);
- free_new_tx_ring:
+free_new_tx_ring:
pci_free_consistent(lp->pci_dev,
sizeof(struct pcnet32_tx_head) *
(1 << size),
new_tx_ring,
new_ring_dma_addr);
- return;
}
/*
new_skb_list[new] = lp->rx_skbuff[new];
}
/* now allocate any new buffers needed */
- for (; new < size; new++ ) {
+ for (; new < size; new++) {
struct sk_buff *rx_skbuff;
new_skb_list[new] = dev_alloc_skb(PKT_BUF_SKB);
- if (!(rx_skbuff = new_skb_list[new])) {
+ rx_skbuff = new_skb_list[new];
+ if (!rx_skbuff) {
/* keep the original lists and buffers */
netif_err(lp, drv, dev, "%s dev_alloc_skb failed\n",
__func__);
lp->rx_skbuff = new_skb_list;
return;
- free_all_new:
- for (; --new >= lp->rx_ring_size; ) {
+free_all_new:
+ while (--new >= lp->rx_ring_size) {
if (new_skb_list[new]) {
pci_unmap_single(lp->pci_dev, new_dma_addr_list[new],
PKT_BUF_SIZE, PCI_DMA_FROMDEVICE);
}
}
kfree(new_skb_list);
- free_new_lists:
+free_new_lists:
kfree(new_dma_addr_list);
- free_new_rx_ring:
+free_new_rx_ring:
pci_free_consistent(lp->pci_dev,
sizeof(struct pcnet32_rx_head) *
(1 << size),
}
static void pcnet32_get_strings(struct net_device *dev, u32 stringset,
- u8 * data)
+ u8 *data)
{
memcpy(data, pcnet32_gstrings_test, sizeof(pcnet32_gstrings_test));
}
/* Initialize Transmit buffers. */
size = data_len + 15;
for (x = 0; x < numbuffs; x++) {
- if (!(skb = dev_alloc_skb(size))) {
+ skb = dev_alloc_skb(size);
+ if (!skb) {
netif_printk(lp, hw, KERN_DEBUG, dev,
"Cannot allocate skb at line: %d!\n",
__LINE__);
goto clean_up;
- } else {
- packet = skb->data;
- skb_put(skb, size); /* create space for data */
- lp->tx_skbuff[x] = skb;
- lp->tx_ring[x].length = cpu_to_le16(-skb->len);
- lp->tx_ring[x].misc = 0;
-
- /* put DA and SA into the skb */
- for (i = 0; i < 6; i++)
- *packet++ = dev->dev_addr[i];
- for (i = 0; i < 6; i++)
- *packet++ = dev->dev_addr[i];
- /* type */
- *packet++ = 0x08;
- *packet++ = 0x06;
- /* packet number */
- *packet++ = x;
- /* fill packet with data */
- for (i = 0; i < data_len; i++)
- *packet++ = i;
-
- lp->tx_dma_addr[x] =
- pci_map_single(lp->pci_dev, skb->data, skb->len,
- PCI_DMA_TODEVICE);
- lp->tx_ring[x].base = cpu_to_le32(lp->tx_dma_addr[x]);
- wmb(); /* Make sure owner changes after all others are visible */
- lp->tx_ring[x].status = cpu_to_le16(status);
}
+ packet = skb->data;
+ skb_put(skb, size); /* create space for data */
+ lp->tx_skbuff[x] = skb;
+ lp->tx_ring[x].length = cpu_to_le16(-skb->len);
+ lp->tx_ring[x].misc = 0;
+
+ /* put DA and SA into the skb */
+ for (i = 0; i < 6; i++)
+ *packet++ = dev->dev_addr[i];
+ for (i = 0; i < 6; i++)
+ *packet++ = dev->dev_addr[i];
+ /* type */
+ *packet++ = 0x08;
+ *packet++ = 0x06;
+ /* packet number */
+ *packet++ = x;
+ /* fill packet with data */
+ for (i = 0; i < data_len; i++)
+ *packet++ = i;
+
+ lp->tx_dma_addr[x] =
+ pci_map_single(lp->pci_dev, skb->data, skb->len,
+ PCI_DMA_TODEVICE);
+ lp->tx_ring[x].base = cpu_to_le32(lp->tx_dma_addr[x]);
+ wmb(); /* Make sure owner changes after all others are visible */
+ lp->tx_ring[x].status = cpu_to_le16(status);
}
x = a->read_bcr(ioaddr, 32); /* set internal loopback in BCR32 */
for (x = 0; x < numbuffs; x++) {
netdev_printk(KERN_DEBUG, dev, "Packet %d: ", x);
skb = lp->rx_skbuff[x];
- for (i = 0; i < size; i++) {
+ for (i = 0; i < size; i++)
pr_cont(" %02x", *(skb->data + i));
- }
pr_cont("\n");
}
}
x++;
}
- clean_up:
+clean_up:
*data1 = rc;
pcnet32_purge_tx_ring(dev);
}
spin_unlock_irqrestore(&lp->lock, flags);
- return (rc);
+ return rc;
} /* end pcnet32_loopback_test */
static void pcnet32_led_blink_callback(struct net_device *dev)
int i;
spin_lock_irqsave(&lp->lock, flags);
- for (i = 4; i < 8; i++) {
+ for (i = 4; i < 8; i++)
a->write_bcr(ioaddr, i, a->read_bcr(ioaddr, i) ^ 0x4000);
- }
spin_unlock_irqrestore(&lp->lock, flags);
mod_timer(&lp->blink_timer, PCNET32_BLINK_TIMEOUT);
/* Save the current value of the bcrs */
spin_lock_irqsave(&lp->lock, flags);
- for (i = 4; i < 8; i++) {
+ for (i = 4; i < 8; i++)
regs[i - 4] = a->read_bcr(ioaddr, i);
- }
spin_unlock_irqrestore(&lp->lock, flags);
mod_timer(&lp->blink_timer, jiffies);
/* Restore the original value of the bcrs */
spin_lock_irqsave(&lp->lock, flags);
- for (i = 4; i < 8; i++) {
+ for (i = 4; i < 8; i++)
a->write_bcr(ioaddr, i, regs[i - 4]);
- }
spin_unlock_irqrestore(&lp->lock, flags);
return 0;
if (pkt_len > rx_copybreak) {
struct sk_buff *newskb;
- if ((newskb = dev_alloc_skb(PKT_BUF_SKB))) {
+ newskb = dev_alloc_skb(PKT_BUF_SKB);
+ if (newskb) {
skb_reserve(newskb, NET_IP_ALIGN);
skb = lp->rx_skbuff[entry];
pci_unmap_single(lp->pci_dev,
rx_in_place = 1;
} else
skb = NULL;
- } else {
+ } else
skb = dev_alloc_skb(pkt_len + NET_IP_ALIGN);
- }
if (skb == NULL) {
netif_err(lp, drv, dev, "Memory squeeze, dropping packet\n");
struct pcnet32_private *lp = netdev_priv(dev);
int j = lp->phycount * PCNET32_REGS_PER_PHY;
- return ((PCNET32_NUM_REGS + j) * sizeof(u16));
+ return (PCNET32_NUM_REGS + j) * sizeof(u16);
}
static void pcnet32_get_regs(struct net_device *dev, struct ethtool_regs *regs,
*buff++ = inw(ioaddr + i);
/* read control and status registers */
- for (i = 0; i < 90; i++) {
+ for (i = 0; i < 90; i++)
*buff++ = a->read_csr(ioaddr, i);
- }
*buff++ = a->read_csr(ioaddr, 112);
*buff++ = a->read_csr(ioaddr, 114);
/* read bus configuration registers */
- for (i = 0; i < 30; i++) {
+ for (i = 0; i < 30; i++)
*buff++ = a->read_bcr(ioaddr, i);
- }
+
*buff++ = 0; /* skip bcr30 so as not to hang 79C976 */
- for (i = 31; i < 36; i++) {
+
+ for (i = 31; i < 36; i++)
*buff++ = a->read_bcr(ioaddr, i);
- }
/* read mii phy registers */
if (lp->mii) {
pr_err("architecture does not support 32bit PCI busmaster DMA\n");
return -ENODEV;
}
- if (request_region(ioaddr, PCNET32_TOTAL_SIZE, "pcnet32_probe_pci") ==
- NULL) {
+ if (!request_region(ioaddr, PCNET32_TOTAL_SIZE, "pcnet32_probe_pci")) {
if (pcnet32_debug & NETIF_MSG_PROBE)
pr_err("io address range already allocated\n");
return -EBUSY;
}
err = pcnet32_probe1(ioaddr, 1, pdev);
- if (err < 0) {
+ if (err < 0)
pci_disable_device(pdev);
- }
+
return err;
}
dev->base_addr = ioaddr;
lp = netdev_priv(dev);
/* pci_alloc_consistent returns page-aligned memory, so we do not have to check the alignment */
- if ((lp->init_block =
- pci_alloc_consistent(pdev, sizeof(*lp->init_block), &lp->init_dma_addr)) == NULL) {
+ lp->init_block = pci_alloc_consistent(pdev, sizeof(*lp->init_block),
+ &lp->init_dma_addr);
+ if (!lp->init_block) {
if (pcnet32_debug & NETIF_MSG_PROBE)
pr_err("Consistent memory allocation failed\n");
ret = -ENOMEM;
id1, id2, i);
}
lp->a.write_bcr(ioaddr, 33, (lp->mii_if.phy_id) << 5);
- if (lp->phycount > 1) {
+ if (lp->phycount > 1)
lp->options |= PCNET32_PORT_MII;
- }
}
init_timer(&lp->watchdog_timer);
return 0; /* Always succeed */
- err_free_ring:
+err_free_ring:
/* free any allocated skbuffs */
pcnet32_purge_rx_ring(dev);
*/
lp->a.write_bcr(ioaddr, 20, 4);
- err_free_irq:
+err_free_irq:
spin_unlock_irqrestore(&lp->lock, flags);
free_irq(dev->irq, dev);
return rc;
for (i = 0; i < lp->rx_ring_size; i++) {
struct sk_buff *rx_skbuff = lp->rx_skbuff[i];
if (rx_skbuff == NULL) {
- if (!
- (rx_skbuff = lp->rx_skbuff[i] =
- dev_alloc_skb(PKT_BUF_SKB))) {
- /* there is not much, we can do at this point */
+ lp->rx_skbuff[i] = dev_alloc_skb(PKT_BUF_SKB);
+ rx_skbuff = lp->rx_skbuff[i];
+ if (!rx_skbuff) {
+ /* there is not much we can do at this point */
netif_err(lp, drv, dev, "%s dev_alloc_skb failed\n",
__func__);
return -1;
csr0 = lp->a.read_csr(ioaddr, CSR0);
while ((csr0 & 0x8f00) && --boguscnt >= 0) {
- if (csr0 == 0xffff) {
+ if (csr0 == 0xffff)
break; /* PCMCIA remove happened */
- }
/* Acknowledge all of the current interrupt sources ASAP. */
lp->a.write_csr(ioaddr, CSR0, csr0 & ~0x004f);
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