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path: root/drivers/infiniband/hw/amso1100/c2.c
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Diffstat (limited to 'drivers/infiniband/hw/amso1100/c2.c')
-rw-r--r--drivers/infiniband/hw/amso1100/c2.c90
1 files changed, 36 insertions, 54 deletions
diff --git a/drivers/infiniband/hw/amso1100/c2.c b/drivers/infiniband/hw/amso1100/c2.c
index 113f3c03c5b..00400c352c1 100644
--- a/drivers/infiniband/hw/amso1100/c2.c
+++ b/drivers/infiniband/hw/amso1100/c2.c
@@ -36,6 +36,7 @@
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/inetdevice.h>
+#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
@@ -46,6 +47,8 @@
#include <linux/tcp.h>
#include <linux/init.h>
#include <linux/dma-mapping.h>
+#include <linux/slab.h>
+#include <linux/prefetch.h>
#include <asm/io.h>
#include <asm/irq.h>
@@ -76,7 +79,6 @@ static irqreturn_t c2_interrupt(int irq, void *dev_id);
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) },
@@ -87,11 +89,7 @@ MODULE_DEVICE_TABLE(pci, c2_pci_table);
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)
@@ -349,7 +347,7 @@ static void c2_tx_clean(struct c2_port *c2_port)
elem->hw_desc + C2_TXP_ADDR);
__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,
@@ -457,7 +455,7 @@ static void c2_rx_error(struct c2_port *c2_port, struct c2_element *elem)
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)
@@ -531,9 +529,8 @@ static void c2_rx_interrupt(struct net_device *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 */
@@ -797,19 +794,16 @@ static int c2_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
__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) {
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
- skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
- maplen = frag->size;
- mapaddr =
- pci_map_page(c2dev->pcidev, frag->page,
- frag->page_offset, maplen,
- PCI_DMA_TODEVICE);
-
+ const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
+ maplen = skb_frag_size(frag);
+ mapaddr = skb_frag_dma_map(&c2dev->pcidev->dev, frag,
+ 0, maplen, DMA_TO_DEVICE);
elem = elem->next;
elem->skb = NULL;
elem->mapaddr = mapaddr;
@@ -823,8 +817,8 @@ static int c2_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
__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;
}
}
@@ -845,13 +839,6 @@ static int c2_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
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);
@@ -880,6 +867,16 @@ static int c2_change_mtu(struct net_device *netdev, int new_mtu)
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)
@@ -894,12 +891,7 @@ static struct net_device *c2_devinit(struct c2_dev *c2dev,
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;
@@ -928,8 +920,7 @@ static struct net_device *c2_devinit(struct c2_dev *c2dev,
return netdev;
}
-static int __devinit c2_probe(struct pci_dev *pcidev,
- const struct pci_device_id *ent)
+static int c2_probe(struct pci_dev *pcidev, const struct pci_device_id *ent)
{
int ret = 0, i;
unsigned long reg0_start, reg0_flags, reg0_len;
@@ -992,13 +983,13 @@ static int __devinit c2_probe(struct pci_dev *pcidev,
}
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;
@@ -1091,6 +1082,7 @@ static int __devinit c2_probe(struct pci_dev *pcidev,
/* Initialize network device */
if ((netdev = c2_devinit(c2dev, mmio_regs)) == NULL) {
+ ret = -ENOMEM;
iounmap(mmio_regs);
goto bail4;
}
@@ -1160,7 +1152,8 @@ static int __devinit c2_probe(struct pci_dev *pcidev,
goto bail10;
}
- if (c2_register_device(c2dev))
+ ret = c2_register_device(c2dev);
+ if (ret)
goto bail10;
return 0;
@@ -1199,7 +1192,7 @@ static int __devinit c2_probe(struct pci_dev *pcidev,
return ret;
}
-static void __devexit c2_remove(struct pci_dev *pcidev)
+static void c2_remove(struct pci_dev *pcidev)
{
struct c2_dev *c2dev = pci_get_drvdata(pcidev);
struct net_device *netdev = c2dev->netdev;
@@ -1244,18 +1237,7 @@ static struct pci_driver c2_pci_driver = {
.name = DRV_NAME,
.id_table = c2_pci_table,
.probe = c2_probe,
- .remove = __devexit_p(c2_remove),
+ .remove = c2_remove,
};
-static int __init c2_init_module(void)
-{
- return pci_register_driver(&c2_pci_driver);
-}
-
-static void __exit c2_exit_module(void)
-{
- pci_unregister_driver(&c2_pci_driver);
-}
-
-module_init(c2_init_module);
-module_exit(c2_exit_module);
+module_pci_driver(c2_pci_driver);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-06 02:01:04 +0000