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qlge: Fix occasional loopback test failure.

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On some servers we see the cleaning of the RX queue finish before all
the loopback packets are sent out.  This delay allows the queues to
settle before checking for successful completion.
Also, delay completion so link has time to come back up.

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
2010-02-17 06:41:23 +00:00
committed by David S. Miller
parent 801e9096c5
commit aa13bd6ef4
1 changed files with 6 additions and 1 deletions
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drivers/net/qlge/qlge_ethtool.c
+6 -1
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@@ -503,7 +503,8 @@ static int ql_run_loopback_test(struct ql_adapter *qdev)
return -EPIPE;
atomic_inc(&qdev->lb_count);
}
/* Give queue time to settle before testing results. */
msleep(2);
ql_clean_lb_rx_ring(&qdev->rx_ring[0], 128);
return atomic_read(&qdev->lb_count) ? -EIO : 0;
}
@@ -536,6 +537,10 @@ static void ql_self_test(struct net_device *ndev,
data[0] = 0;
}
clear_bit(QL_SELFTEST, &qdev->flags);
/* Give link time to come up after
* port configuration changes.
*/
msleep_interruptible(4 * 1000);
} else {
netif_err(qdev, drv, qdev->ndev,
"is down, Loopback test will fail.\n");