#include <linux/tcp.h>
#include <linux/init.h>
#include <linux/dma-mapping.h>
+#include <linux/slab.h>
#include <asm/io.h>
#include <asm/irq.h>
static void c2_tx_timeout(struct net_device *netdev);
static int c2_change_mtu(struct net_device *netdev, int new_mtu);
static void c2_reset(struct c2_port *c2_port);
-static struct net_device_stats *c2_get_stats(struct net_device *netdev);
static struct pci_device_id c2_pci_table[] = {
{ PCI_DEVICE(0x18b8, 0xb001) },
static void c2_print_macaddr(struct net_device *netdev)
{
- pr_debug("%s: MAC %02X:%02X:%02X:%02X:%02X:%02X, "
- "IRQ %u\n", netdev->name,
- netdev->dev_addr[0], netdev->dev_addr[1], netdev->dev_addr[2],
- netdev->dev_addr[3], netdev->dev_addr[4], netdev->dev_addr[5],
- netdev->irq);
+ pr_debug("%s: MAC %pM, IRQ %u\n", netdev->name, netdev->dev_addr, netdev->irq);
}
static void c2_set_rxbufsize(struct c2_port *c2_port)
tx_desc->status = 0;
/* Set TXP_HTXD_UNINIT */
- __raw_writeq(cpu_to_be64(0x1122334455667788ULL),
+ __raw_writeq((__force u64) cpu_to_be64(0x1122334455667788ULL),
(void __iomem *) txp_desc + C2_TXP_ADDR);
__raw_writew(0, (void __iomem *) txp_desc + C2_TXP_LEN);
- __raw_writew(cpu_to_be16(TXP_HTXD_UNINIT),
+ __raw_writew((__force u16) cpu_to_be16(TXP_HTXD_UNINIT),
(void __iomem *) txp_desc + C2_TXP_FLAGS);
elem->skb = NULL;
rx_desc->status = 0;
/* Set RXP_HRXD_UNINIT */
- __raw_writew(cpu_to_be16(RXP_HRXD_OK),
+ __raw_writew((__force u16) cpu_to_be16(RXP_HRXD_OK),
(void __iomem *) rxp_desc + C2_RXP_STATUS);
__raw_writew(0, (void __iomem *) rxp_desc + C2_RXP_COUNT);
__raw_writew(0, (void __iomem *) rxp_desc + C2_RXP_LEN);
- __raw_writeq(cpu_to_be64(0x99aabbccddeeffULL),
+ __raw_writeq((__force u64) cpu_to_be64(0x99aabbccddeeffULL),
(void __iomem *) rxp_desc + C2_RXP_ADDR);
- __raw_writew(cpu_to_be16(RXP_HRXD_UNINIT),
+ __raw_writew((__force u16) cpu_to_be16(RXP_HRXD_UNINIT),
(void __iomem *) rxp_desc + C2_RXP_FLAGS);
elem->skb = NULL;
rxp_hdr->flags = RXP_HRXD_READY;
__raw_writew(0, elem->hw_desc + C2_RXP_STATUS);
- __raw_writew(cpu_to_be16((u16) maplen - sizeof(*rxp_hdr)),
+ __raw_writew((__force u16) cpu_to_be16((u16) maplen - sizeof(*rxp_hdr)),
elem->hw_desc + C2_RXP_LEN);
- __raw_writeq(cpu_to_be64(mapaddr), elem->hw_desc + C2_RXP_ADDR);
- __raw_writew(cpu_to_be16(RXP_HRXD_READY), elem->hw_desc + C2_RXP_FLAGS);
+ __raw_writeq((__force u64) cpu_to_be64(mapaddr), elem->hw_desc + C2_RXP_ADDR);
+ __raw_writew((__force u16) cpu_to_be16(RXP_HRXD_READY),
+ elem->hw_desc + C2_RXP_FLAGS);
elem->skb = skb;
elem->mapaddr = mapaddr;
__raw_writew(0, elem->hw_desc + C2_RXP_STATUS);
__raw_writew(0, elem->hw_desc + C2_RXP_COUNT);
__raw_writew(0, elem->hw_desc + C2_RXP_LEN);
- __raw_writeq(cpu_to_be64(0x99aabbccddeeffULL),
+ __raw_writeq((__force u64) cpu_to_be64(0x99aabbccddeeffULL),
elem->hw_desc + C2_RXP_ADDR);
- __raw_writew(cpu_to_be16(RXP_HRXD_UNINIT),
+ __raw_writew((__force u16) cpu_to_be16(RXP_HRXD_UNINIT),
elem->hw_desc + C2_RXP_FLAGS);
if (elem->skb) {
elem->hw_desc + C2_TXP_LEN);
__raw_writeq(0,
elem->hw_desc + C2_TXP_ADDR);
- __raw_writew(cpu_to_be16(TXP_HTXD_DONE),
+ __raw_writew((__force u16) cpu_to_be16(TXP_HTXD_DONE),
elem->hw_desc + C2_TXP_FLAGS);
- c2_port->netstats.tx_dropped++;
+ c2_port->netdev->stats.tx_dropped++;
break;
} else {
__raw_writew(0,
elem->hw_desc + C2_TXP_LEN);
- __raw_writeq(cpu_to_be64(0x1122334455667788ULL),
+ __raw_writeq((__force u64) cpu_to_be64(0x1122334455667788ULL),
elem->hw_desc + C2_TXP_ADDR);
- __raw_writew(cpu_to_be16(TXP_HTXD_UNINIT),
+ __raw_writew((__force u16) cpu_to_be16(TXP_HTXD_UNINIT),
elem->hw_desc + C2_TXP_FLAGS);
}
for (elem = tx_ring->to_clean; elem != tx_ring->to_use;
elem = elem->next) {
txp_htxd.flags =
- be16_to_cpu(readw(elem->hw_desc + C2_TXP_FLAGS));
+ be16_to_cpu((__force __be16) readw(elem->hw_desc + C2_TXP_FLAGS));
if (txp_htxd.flags != TXP_HTXD_DONE)
break;
if (netif_msg_tx_done(c2_port)) {
/* PCI reads are expensive in fast path */
txp_htxd.len =
- be16_to_cpu(readw(elem->hw_desc + C2_TXP_LEN));
+ be16_to_cpu((__force __be16) readw(elem->hw_desc + C2_TXP_LEN));
pr_debug("%s: tx done slot %3Zu status 0x%x len "
"%5u bytes\n",
netdev->name, elem - tx_ring->start,
}
/* Setup the skb for reuse since we're dropping this pkt */
- elem->skb->tail = elem->skb->data = elem->skb->head;
+ elem->skb->data = elem->skb->head;
+ skb_reset_tail_pointer(elem->skb);
/* Zero out the rxp hdr in the sk_buff */
memset(elem->skb->data, 0, sizeof(*rxp_hdr));
/* Write the descriptor to the adapter's rx ring */
__raw_writew(0, elem->hw_desc + C2_RXP_STATUS);
__raw_writew(0, elem->hw_desc + C2_RXP_COUNT);
- __raw_writew(cpu_to_be16((u16) elem->maplen - sizeof(*rxp_hdr)),
+ __raw_writew((__force u16) cpu_to_be16((u16) elem->maplen - sizeof(*rxp_hdr)),
elem->hw_desc + C2_RXP_LEN);
- __raw_writeq(cpu_to_be64(elem->mapaddr), elem->hw_desc + C2_RXP_ADDR);
- __raw_writew(cpu_to_be16(RXP_HRXD_READY), elem->hw_desc + C2_RXP_FLAGS);
+ __raw_writeq((__force u64) cpu_to_be64(elem->mapaddr),
+ elem->hw_desc + C2_RXP_ADDR);
+ __raw_writew((__force u16) cpu_to_be16(RXP_HRXD_READY),
+ elem->hw_desc + C2_RXP_FLAGS);
pr_debug("packet dropped\n");
- c2_port->netstats.rx_dropped++;
+ c2_port->netdev->stats.rx_dropped++;
}
static void c2_rx_interrupt(struct net_device *netdev)
* "sizeof(struct c2_rxp_hdr)".
*/
skb->data += sizeof(*rxp_hdr);
- skb->tail = skb->data + buflen;
+ skb_set_tail_pointer(skb, buflen);
skb->len = buflen;
- skb->dev = netdev;
skb->protocol = eth_type_trans(skb, netdev);
netif_rx(skb);
- netdev->last_rx = jiffies;
- c2_port->netstats.rx_packets++;
- c2_port->netstats.rx_bytes += buflen;
+ netdev->stats.rx_packets++;
+ netdev->stats.rx_bytes += buflen;
}
/* Save where we left off */
i++, elem++) {
rxp_hdr = (struct c2_rxp_hdr *) elem->skb->data;
rxp_hdr->flags = 0;
- __raw_writew(cpu_to_be16(RXP_HRXD_READY),
+ __raw_writew((__force u16) cpu_to_be16(RXP_HRXD_READY),
elem->hw_desc + C2_RXP_FLAGS);
}
* rdma interface.
*/
in_dev = in_dev_get(netdev);
- in_dev->cnf.arp_ignore = 1;
+ IN_DEV_CONF_SET(in_dev, ARP_IGNORE, 1);
in_dev_put(in_dev);
return 0;
elem->maplen = maplen;
/* Tell HW to xmit */
- __raw_writeq(cpu_to_be64(mapaddr), elem->hw_desc + C2_TXP_ADDR);
- __raw_writew(cpu_to_be16(maplen), elem->hw_desc + C2_TXP_LEN);
- __raw_writew(cpu_to_be16(TXP_HTXD_READY), elem->hw_desc + C2_TXP_FLAGS);
+ __raw_writeq((__force u64) cpu_to_be64(mapaddr),
+ elem->hw_desc + C2_TXP_ADDR);
+ __raw_writew((__force u16) cpu_to_be16(maplen),
+ elem->hw_desc + C2_TXP_LEN);
+ __raw_writew((__force u16) cpu_to_be16(TXP_HTXD_READY),
+ elem->hw_desc + C2_TXP_FLAGS);
- c2_port->netstats.tx_packets++;
- c2_port->netstats.tx_bytes += maplen;
+ netdev->stats.tx_packets++;
+ netdev->stats.tx_bytes += maplen;
/* Loop thru additional data fragments and queue them */
if (skb_shinfo(skb)->nr_frags) {
elem->maplen = maplen;
/* Tell HW to xmit */
- __raw_writeq(cpu_to_be64(mapaddr),
+ __raw_writeq((__force u64) cpu_to_be64(mapaddr),
elem->hw_desc + C2_TXP_ADDR);
- __raw_writew(cpu_to_be16(maplen),
+ __raw_writew((__force u16) cpu_to_be16(maplen),
elem->hw_desc + C2_TXP_LEN);
- __raw_writew(cpu_to_be16(TXP_HTXD_READY),
+ __raw_writew((__force u16) cpu_to_be16(TXP_HTXD_READY),
elem->hw_desc + C2_TXP_FLAGS);
- c2_port->netstats.tx_packets++;
- c2_port->netstats.tx_bytes += maplen;
+ netdev->stats.tx_packets++;
+ netdev->stats.tx_bytes += maplen;
}
}
return NETDEV_TX_OK;
}
-static struct net_device_stats *c2_get_stats(struct net_device *netdev)
-{
- struct c2_port *c2_port = netdev_priv(netdev);
-
- return &c2_port->netstats;
-}
-
static void c2_tx_timeout(struct net_device *netdev)
{
struct c2_port *c2_port = netdev_priv(netdev);
return ret;
}
+static const struct net_device_ops c2_netdev = {
+ .ndo_open = c2_up,
+ .ndo_stop = c2_down,
+ .ndo_start_xmit = c2_xmit_frame,
+ .ndo_tx_timeout = c2_tx_timeout,
+ .ndo_change_mtu = c2_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
/* Initialize network device */
static struct net_device *c2_devinit(struct c2_dev *c2dev,
void __iomem * mmio_addr)
return NULL;
}
- SET_MODULE_OWNER(netdev);
SET_NETDEV_DEV(netdev, &c2dev->pcidev->dev);
- netdev->open = c2_up;
- netdev->stop = c2_down;
- netdev->hard_start_xmit = c2_xmit_frame;
- netdev->get_stats = c2_get_stats;
- netdev->tx_timeout = c2_tx_timeout;
- netdev->change_mtu = c2_change_mtu;
+ netdev->netdev_ops = &c2_netdev;
netdev->watchdog_timeo = C2_TX_TIMEOUT;
netdev->irq = c2dev->pcidev->irq;
}
if ((sizeof(dma_addr_t) > 4)) {
- ret = pci_set_dma_mask(pcidev, DMA_64BIT_MASK);
+ ret = pci_set_dma_mask(pcidev, DMA_BIT_MASK(64));
if (ret < 0) {
printk(KERN_ERR PFX "64b DMA configuration failed\n");
goto bail2;
}
} else {
- ret = pci_set_dma_mask(pcidev, DMA_32BIT_MASK);
+ ret = pci_set_dma_mask(pcidev, DMA_BIT_MASK(32));
if (ret < 0) {
printk(KERN_ERR PFX "32b DMA configuration failed\n");
goto bail2;
/* Remap the adapter PCI registers in BAR4 */
mmio_regs = ioremap_nocache(reg4_start + C2_PCI_REGS_OFFSET,
sizeof(struct c2_adapter_pci_regs));
- if (mmio_regs == 0UL) {
+ if (!mmio_regs) {
printk(KERN_ERR PFX
"Unable to remap adapter PCI registers in BAR4\n");
ret = -EIO;
}
/* Validate the adapter version */
- if (be32_to_cpu(readl(mmio_regs + C2_REGS_VERS)) != C2_VERSION) {
+ if (be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_VERS)) != C2_VERSION) {
printk(KERN_ERR PFX "Version mismatch "
"[fw=%u, c2=%u], Adapter not claimed\n",
- be32_to_cpu(readl(mmio_regs + C2_REGS_VERS)),
+ be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_VERS)),
C2_VERSION);
ret = -EINVAL;
iounmap(mmio_regs);
}
/* Validate the adapter IVN */
- if (be32_to_cpu(readl(mmio_regs + C2_REGS_IVN)) != C2_IVN) {
+ if (be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_IVN)) != C2_IVN) {
printk(KERN_ERR PFX "Downlevel FIrmware level. You should be using "
"the OpenIB device support kit. "
"[fw=0x%x, c2=0x%x], Adapter not claimed\n",
- be32_to_cpu(readl(mmio_regs + C2_REGS_IVN)),
- C2_IVN);
+ be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_IVN)),
+ C2_IVN);
ret = -EINVAL;
iounmap(mmio_regs);
goto bail2;
/* Get the last RX index */
c2dev->cur_rx =
- (be32_to_cpu(readl(mmio_regs + C2_REGS_HRX_CUR)) -
+ (be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_HRX_CUR)) -
0xffffc000) / sizeof(struct c2_rxp_desc);
/* Request an interrupt line for the driver */
- ret = request_irq(pcidev->irq, c2_interrupt, SA_SHIRQ, DRV_NAME, c2dev);
+ ret = request_irq(pcidev->irq, c2_interrupt, IRQF_SHARED, DRV_NAME, c2dev);
if (ret) {
printk(KERN_ERR PFX "%s: requested IRQ %u is busy\n",
pci_name(pcidev), pcidev->irq);
}
/* Save off the actual size prior to unmapping mmio_regs */
- kva_map_size = be32_to_cpu(readl(mmio_regs + C2_REGS_PCI_WINSIZE));
+ kva_map_size = be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_PCI_WINSIZE));
/* Unmap the adapter PCI registers in BAR4 */
iounmap(mmio_regs);
/* Remap the adapter HRXDQ PA space to kernel VA space */
c2dev->mmio_rxp_ring = ioremap_nocache(reg4_start + C2_RXP_HRXDQ_OFFSET,
C2_RXP_HRXDQ_SIZE);
- if (c2dev->mmio_rxp_ring == 0UL) {
+ if (!c2dev->mmio_rxp_ring) {
printk(KERN_ERR PFX "Unable to remap MMIO HRXDQ region\n");
ret = -EIO;
goto bail6;
/* Remap the adapter HTXDQ PA space to kernel VA space */
c2dev->mmio_txp_ring = ioremap_nocache(reg4_start + C2_TXP_HTXDQ_OFFSET,
C2_TXP_HTXDQ_SIZE);
- if (c2dev->mmio_txp_ring == 0UL) {
+ if (!c2dev->mmio_txp_ring) {
printk(KERN_ERR PFX "Unable to remap MMIO HTXDQ region\n");
ret = -EIO;
goto bail7;
/* Remap the PCI registers in adapter BAR0 to kernel VA space */
c2dev->regs = ioremap_nocache(reg0_start, reg0_len);
- if (c2dev->regs == 0UL) {
+ if (!c2dev->regs) {
printk(KERN_ERR PFX "Unable to remap BAR0\n");
ret = -EIO;
goto bail8;
c2dev->pa = reg4_start + C2_PCI_REGS_OFFSET;
c2dev->kva = ioremap_nocache(reg4_start + C2_PCI_REGS_OFFSET,
kva_map_size);
- if (c2dev->kva == 0UL) {
+ if (!c2dev->kva) {
printk(KERN_ERR PFX "Unable to remap BAR4\n");
ret = -EIO;
goto bail9;
goto bail10;
}
- c2_register_device(c2dev);
+ if (c2_register_device(c2dev))
+ goto bail10;
return 0;
static int __init c2_init_module(void)
{
- return pci_module_init(&c2_pci_driver);
+ return pci_register_driver(&c2_pci_driver);
}
static void __exit c2_exit_module(void)
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff