qlge: bugfix: Fix TSO breakage.

Moved the buffer mapping to a point after TSO logic has modified the
iph->check field. We were seeing stale data on the PCIe bus.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index fc7d210ec96..54b0a9e9d89 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -1936,10 +1936,6 @@ static int qlge_send(struct sk_buff *skb, struct net_device *ndev)
         tx_ring_desc = &tx_ring->q[tx_ring->prod_idx];
         mac_iocb_ptr = tx_ring_desc->queue_entry;
         memset((void *)mac_iocb_ptr, 0, sizeof(mac_iocb_ptr));
-        if (ql_map_send(qdev, mac_iocb_ptr, skb, tx_ring_desc) != NETDEV_TX_OK) {
-                QPRINTK(qdev, TX_QUEUED, ERR, "Could not map the segments.\n");
-                return NETDEV_TX_BUSY;
-        }
 
         mac_iocb_ptr->opcode = OPCODE_OB_MAC_IOCB;
         mac_iocb_ptr->tid = tx_ring_desc->index;
@@ -1965,6 +1961,12 @@ static int qlge_send(struct sk_buff *skb, struct net_device *ndev)
                 ql_hw_csum_setup(skb,
                                  (struct ob_mac_tso_iocb_req *)mac_iocb_ptr);
         }
+        if (ql_map_send(qdev, mac_iocb_ptr, skb, tx_ring_desc) !=
+                        NETDEV_TX_OK) {
+                QPRINTK(qdev, TX_QUEUED, ERR,
+                                "Could not map the segments.\n");
+                return NETDEV_TX_BUSY;
+        }
         QL_DUMP_OB_MAC_IOCB(mac_iocb_ptr);
         tx_ring->prod_idx++;
         if (tx_ring->prod_idx == tx_ring->wq_len)