e1000: clear ip csum info from context descriptor

Since the driver sets the IP checksum insertion bit (IXSM in Status
field) in transmit context descriptors, it should clear the IP checksum
bits of any garbage so as not to confuse the hardware.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>

diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 43dde2733ec0a30b2db44d2c8677b3f38ab134e7..8c6c74d1284a81b9eda8e0055a6d69a22eba318e 100644 (file)
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -2975,8 +2975,9 @@ e1000_tx_csum(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
                buffer_info = &tx_ring->buffer_info[i];
                context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
 
+               context_desc->lower_setup.ip_config = 0;
                context_desc->upper_setup.tcp_fields.tucss = css;
-               context_desc->upper_setup.tcp_fields.tucso = css + skb->csum_offset;
+               context_desc->upper_setup.tcp_fields.tucso = css + skb->csum;
                context_desc->upper_setup.tcp_fields.tucse = 0;
                context_desc->tcp_seg_setup.data = 0;
                context_desc->cmd_and_length = cpu_to_le32(E1000_TXD_CMD_DEXT);