Commit 2d70a3d4 authored Jan 10, 2011 by Sonic Zhang Committed by David S. Miller Jan 10, 2011

netdev: bfin_mac: disable hardware checksum if writeback cache is enabled



With writeback caches, corrupted RX packets will be sent up the stack
without any error markings.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 53ed2984

drivers/net/bfin_mac.h

+7 −0

Original line number	Diff line number	Diff line
		@@ -17,7 +17,14 @@
		#include <linux/etherdevice.h>
		#include <linux/bfin_mac.h>

		/*
		* Disable hardware checksum for bug #5600 if writeback cache is
		* enabled. Otherwize, corrupted RX packet will be sent up stack
		* without error mark.
		*/
		#ifndef CONFIG_BFIN_EXTMEM_WRITEBACK
		#define BFIN_MAC_CSUM_OFFLOAD
		#endif

		#define TX_RECLAIM_JIFFIES (HZ / 5)