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qlge: bugfix: Fix TSO breakage.

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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>
This commit is contained in:
Ron Mercer 2009-02-12 16:38:03 -08:00 • committed by David S. Miller
parent 06a3d510fa
commit 0d979f74a9
1 changed files with 6 additions and 4 deletions
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10
drivers/net/qlge/qlge_main.c
View file

@ -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]; tx_ring_desc = &tx_ring->q[tx_ring->prod_idx];
mac_iocb_ptr = tx_ring_desc->queue_entry; mac_iocb_ptr = tx_ring_desc->queue_entry;
memset((void *)mac_iocb_ptr, 0, sizeof(mac_iocb_ptr)); 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->opcode = OPCODE_OB_MAC_IOCB;
mac_iocb_ptr->tid = tx_ring_desc->index; 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, ql_hw_csum_setup(skb,
(struct ob_mac_tso_iocb_req *)mac_iocb_ptr); (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); QL_DUMP_OB_MAC_IOCB(mac_iocb_ptr);
tx_ring->prod_idx++; tx_ring->prod_idx++;
if (tx_ring->prod_idx == tx_ring->wq_len) if (tx_ring->prod_idx == tx_ring->wq_len)