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Date: Wed, 10 Mar 2010 18:32:34 +0000 From: Steve Glendinning <steve.glendinning@...c.com> To: netdev@...r.kernel.org Subject: [PATCH 1/6] smsc95xx: change hard_header_len to include csum offload bytes If tx checksum offload is enabled on this device it requires 12 bytes of headroom instead of 8. This patch sets hard_header_len to the larger of the two to help avoid skb_copy_expand. Signed-off-by: Steve Glendinning <steve.glendinning@...c.com> --- drivers/net/usb/smsc95xx.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index df9179a..4db0840 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -1037,7 +1037,7 @@ static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf) dev->net->netdev_ops = &smsc95xx_netdev_ops; dev->net->ethtool_ops = &smsc95xx_ethtool_ops; dev->net->flags |= IFF_MULTICAST; - dev->net->hard_header_len += SMSC95XX_TX_OVERHEAD; + dev->net->hard_header_len += SMSC95XX_TX_OVERHEAD_CSUM; return 0; } -- 1.6.6.1 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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