aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/forcedeth.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/forcedeth.c')
-rw-r--r--drivers/net/forcedeth.c23
1 files changed, 9 insertions, 14 deletions
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 74ed8bb266ec..e90d27b78121 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -718,6 +718,7 @@ struct fe_priv {
718 u32 vlanctl_bits; 718 u32 vlanctl_bits;
719 u32 driver_data; 719 u32 driver_data;
720 u32 register_size; 720 u32 register_size;
721 int rx_csum;
721 722
722 void __iomem *base; 723 void __iomem *base;
723 724
@@ -1897,7 +1898,7 @@ static int nv_rx_process(struct net_device *dev, int limit)
1897 } 1898 }
1898 } 1899 }
1899 } 1900 }
1900 if (np->txrxctl_bits & NVREG_TXRXCTL_RXCHECK) { 1901 if (np->rx_csum) {
1901 flags &= NV_RX2_CHECKSUMMASK; 1902 flags &= NV_RX2_CHECKSUMMASK;
1902 if (flags == NV_RX2_CHECKSUMOK1 || 1903 if (flags == NV_RX2_CHECKSUMOK1 ||
1903 flags == NV_RX2_CHECKSUMOK2 || 1904 flags == NV_RX2_CHECKSUMOK2 ||
@@ -3557,7 +3558,7 @@ static int nv_set_pauseparam(struct net_device *dev, struct ethtool_pauseparam*
3557static u32 nv_get_rx_csum(struct net_device *dev) 3558static u32 nv_get_rx_csum(struct net_device *dev)
3558{ 3559{
3559 struct fe_priv *np = netdev_priv(dev); 3560 struct fe_priv *np = netdev_priv(dev);
3560 return (np->txrxctl_bits & NVREG_TXRXCTL_RXCHECK) != 0; 3561 return (np->rx_csum) != 0;
3561} 3562}
3562 3563
3563static int nv_set_rx_csum(struct net_device *dev, u32 data) 3564static int nv_set_rx_csum(struct net_device *dev, u32 data)
@@ -3567,22 +3568,15 @@ static int nv_set_rx_csum(struct net_device *dev, u32 data)
3567 int retcode = 0; 3568 int retcode = 0;
3568 3569
3569 if (np->driver_data & DEV_HAS_CHECKSUM) { 3570 if (np->driver_data & DEV_HAS_CHECKSUM) {
3570
3571 if (((np->txrxctl_bits & NVREG_TXRXCTL_RXCHECK) && data) ||
3572 (!(np->txrxctl_bits & NVREG_TXRXCTL_RXCHECK) && !data)) {
3573 /* already set or unset */
3574 return 0;
3575 }
3576
3577 if (data) { 3571 if (data) {
3572 np->rx_csum = 1;
3578 np->txrxctl_bits |= NVREG_TXRXCTL_RXCHECK; 3573 np->txrxctl_bits |= NVREG_TXRXCTL_RXCHECK;
3579 } else if (!(np->vlanctl_bits & NVREG_VLANCONTROL_ENABLE)) {
3580 np->txrxctl_bits &= ~NVREG_TXRXCTL_RXCHECK;
3581 } else { 3574 } else {
3582 printk(KERN_INFO "Can not disable rx checksum if vlan is enabled\n"); 3575 np->rx_csum = 0;
3583 return -EINVAL; 3576 /* vlan is dependent on rx checksum offload */
3577 if (!(np->vlanctl_bits & NVREG_VLANCONTROL_ENABLE))
3578 np->txrxctl_bits &= ~NVREG_TXRXCTL_RXCHECK;
3584 } 3579 }
3585
3586 if (netif_running(dev)) { 3580 if (netif_running(dev)) {
3587 spin_lock_irq(&np->lock); 3581 spin_lock_irq(&np->lock);
3588 writel(np->txrxctl_bits, base + NvRegTxRxControl); 3582 writel(np->txrxctl_bits, base + NvRegTxRxControl);
@@ -4322,6 +4316,7 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
4322 np->pkt_limit = NV_PKTLIMIT_2; 4316 np->pkt_limit = NV_PKTLIMIT_2;
4323 4317
4324 if (id->driver_data & DEV_HAS_CHECKSUM) { 4318 if (id->driver_data & DEV_HAS_CHECKSUM) {
4319 np->rx_csum = 1;
4325 np->txrxctl_bits |= NVREG_TXRXCTL_RXCHECK; 4320 np->txrxctl_bits |= NVREG_TXRXCTL_RXCHECK;
4326 dev->features |= NETIF_F_HW_CSUM | NETIF_F_SG; 4321 dev->features |= NETIF_F_HW_CSUM | NETIF_F_SG;
4327#ifdef NETIF_F_TSO 4322#ifdef NETIF_F_TSO