lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <1268245959-13861-2-git-send-email-steve.glendinning@smsc.com>
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

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ