[PATCH] sky2: disable rx checksum on Yukon XL
Under load, my SysKonnect SK-9S22 sees duplicate checksums from
earlier packets. Doesn't happen on other platforms so just disable
receive checksum there.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index cdcbf72..b9c0aaf 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -2926,7 +2926,13 @@
sky2->duplex = -1;
sky2->speed = -1;
sky2->advertising = sky2_supported_modes(hw);
- sky2->rx_csum = 1;
+
+ /* Receive checksum disabled for Yukon XL
+ * because of observed problems with incorrect
+ * values when multiple packets are received in one interrupt
+ */
+ sky2->rx_csum = (hw->chip_id != CHIP_ID_YUKON_XL);
+
INIT_WORK(&sky2->phy_task, sky2_phy_task, sky2);
init_MUTEX(&sky2->phy_sema);
sky2->tx_pending = TX_DEF_PENDING;
