diff options
| author | Stephen Hemminger <shemminger@linux-foundation.org> | 2007-12-26 09:59:26 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-02-08 12:01:17 -0800 |
| commit | e62eb48fc190c23187e6f00b211439ddec940e2e (patch) | |
| tree | f903e5fdbafa6016972fda64936476717975a5eb /drivers | |
| parent | 4cee0d814d080df05e8f72320409b275da7f64d9 (diff) | |
sky2: disable rx checksum on Yukon XL
Backport of 8b31cfbcd1b54362ef06c85beb40e65a349169a2
The Marvell Yukon XL chipset appears to have a hardware glitch
where it will repeat the checksum of the last packet. Of course, this is
timing sensitive and only happens sometimes...
More info: http://bugzilla.kernel.org/show_bug.cgi?id=9381
As a workaround just disable hardware checksumming by default on
this chip version. The earlier workaround for PCIX, dual port
was also on Yukon XL so don't need to disable checksumming there.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/sky2.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 257507793a3c..a011be017ee0 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -1307,15 +1307,11 @@ static int sky2_up(struct net_device *dev) */ if (otherdev && netif_running(otherdev) && (cap = pci_find_capability(hw->pdev, PCI_CAP_ID_PCIX))) { - struct sky2_port *osky2 = netdev_priv(otherdev); u16 cmd; cmd = sky2_pci_read16(hw, cap + PCI_X_CMD); cmd &= ~PCI_X_CMD_MAX_SPLIT; sky2_pci_write16(hw, cap + PCI_X_CMD, cmd); - - sky2->rx_csum = 0; - osky2->rx_csum = 0; } if (netif_msg_ifup(sky2)) @@ -4017,7 +4013,7 @@ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw, sky2->duplex = -1; sky2->speed = -1; sky2->advertising = sky2_supported_modes(hw); - sky2->rx_csum = 1; + sky2->rx_csum = (hw->chip_id != CHIP_ID_YUKON_XL); sky2->wol = wol; spin_lock_init(&sky2->phy_lock); |