The patch titled
forcedeth config: csum
has been removed from the -mm tree. Its filename is
forcedeth-config-csum.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: forcedeth config: csum
From: Ayaz Abdulla <aabdulla@xxxxxxxxxx>
This patch allows for configurable rx and tx checksum offloads through
ethtool support.
Signed-off-by: Ayaz Abdulla <aabdulla@xxxxxxxxxx>
Cc: Manfred Spraul <manfred@xxxxxxxxxxxxxxxx>
Cc: Jeff Garzik <jeff@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/net/forcedeth.c | 85 ++++++++++++++++++++++++++++++++++----
1 file changed, 77 insertions(+), 8 deletions(-)
diff -puN drivers/net/forcedeth.c~forcedeth-config-csum drivers/net/forcedeth.c
--- devel/drivers/net/forcedeth.c~forcedeth-config-csum 2006-06-09 15:17:16.000000000 -0700
+++ devel-akpm/drivers/net/forcedeth.c 2006-06-09 15:17:16.000000000 -0700
@@ -1707,14 +1707,16 @@ static void nv_rx_process(struct net_dev
}
}
}
- Flags &= NV_RX2_CHECKSUMMASK;
- if (Flags == NV_RX2_CHECKSUMOK1 ||
- Flags == NV_RX2_CHECKSUMOK2 ||
- Flags == NV_RX2_CHECKSUMOK3) {
- dprintk(KERN_DEBUG "%s: hw checksum hit!.\n", dev->name);
- np->rx_skbuff[i]->ip_summed = CHECKSUM_UNNECESSARY;
- } else {
- dprintk(KERN_DEBUG "%s: hwchecksum miss!.\n", dev->name);
+ if (np->txrxctl_bits & NVREG_TXRXCTL_RXCHECK) {
+ Flags &= NV_RX2_CHECKSUMMASK;
+ if (Flags == NV_RX2_CHECKSUMOK1 ||
+ Flags == NV_RX2_CHECKSUMOK2 ||
+ Flags == NV_RX2_CHECKSUMOK3) {
+ dprintk(KERN_DEBUG "%s: hw checksum hit!.\n", dev->name);
+ np->rx_skbuff[i]->ip_summed = CHECKSUM_UNNECESSARY;
+ } else {
+ dprintk(KERN_DEBUG "%s: hwchecksum miss!.\n", dev->name);
+ }
}
}
/* got a valid packet - forward it to the network core */
@@ -3023,6 +3025,67 @@ static int nv_set_pauseparam(struct net_
return 0;
}
+static u32 nv_get_rx_csum(struct net_device *dev)
+{
+ struct fe_priv *np = netdev_priv(dev);
+ return (np->txrxctl_bits & NVREG_TXRXCTL_RXCHECK) != 0;
+}
+
+static int nv_set_rx_csum(struct net_device *dev, u32 data)
+{
+ struct fe_priv *np = netdev_priv(dev);
+ u8 __iomem *base = get_hwbase(dev);
+ int retcode = 0;
+
+ if (np->driver_data & DEV_HAS_CHECKSUM) {
+
+ if (((np->txrxctl_bits & NVREG_TXRXCTL_RXCHECK) && data) ||
+ (!(np->txrxctl_bits & NVREG_TXRXCTL_RXCHECK) && !data)) {
+ /* already set or unset */
+ return 0;
+ }
+
+ if (data) {
+ np->txrxctl_bits |= NVREG_TXRXCTL_RXCHECK;
+ } else if (!(np->vlanctl_bits & NVREG_VLANCONTROL_ENABLE)) {
+ np->txrxctl_bits &= ~NVREG_TXRXCTL_RXCHECK;
+ } else {
+ printk(KERN_INFO "Can not disable rx checksum if vlan is enabled\n");
+ return -EINVAL;
+ }
+
+ if (netif_running(dev)) {
+ spin_lock_irq(&np->lock);
+ writel(np->txrxctl_bits, base + NvRegTxRxControl);
+ spin_unlock_irq(&np->lock);
+ }
+ } else {
+ return -EINVAL;
+ }
+
+ return retcode;
+}
+
+static int nv_set_tx_csum(struct net_device *dev, u32 data)
+{
+ struct fe_priv *np = netdev_priv(dev);
+
+ if (np->driver_data & DEV_HAS_CHECKSUM)
+ return ethtool_op_set_tx_hw_csum(dev, data);
+ else
+ return -EOPNOTSUPP;
+}
+
+static int nv_set_sg(struct net_device *dev, u32 data)
+{
+ struct fe_priv *np = netdev_priv(dev);
+
+ if (np->driver_data & DEV_HAS_CHECKSUM)
+ return ethtool_op_set_sg(dev, data);
+ else
+ return -EOPNOTSUPP;
+}
+
static struct ethtool_ops ops = {
.get_drvinfo = nv_get_drvinfo,
.get_link = ethtool_op_get_link,
@@ -3042,6 +3105,12 @@ static struct ethtool_ops ops = {
.set_ringparam = nv_set_ringparam,
.get_pauseparam = nv_get_pauseparam,
.set_pauseparam = nv_set_pauseparam,
+ .get_rx_csum = nv_get_rx_csum,
+ .set_rx_csum = nv_set_rx_csum,
+ .get_tx_csum = ethtool_op_get_tx_csum,
+ .set_tx_csum = nv_set_tx_csum,
+ .get_sg = ethtool_op_get_sg,
+ .set_sg = nv_set_sg,
};
static void nv_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
_
Patches currently in -mm which might be from aabdulla@xxxxxxxxxx are
git-netdev-all.patch
forcedeth-typecast-cleanup.patch
lock-validator-forcedethc-fix.patch
-
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