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ixgbe: Do not run all Diagnostic offline tests when VFs are active 

When running the offline diagnostic tests check to see if any VFs are
online.  If so then only run the link test.  This is necessary because
the VFs running in guest VMs aren't aware of when the PF is taken
offline for a diagnostic test.  Also put a message to the system log
telling the system administrator to take the VFs offline manually if
(s)he wants to run a full diagnostic.  Return 1 on each of the tests
not run to alert the user of the condition.

Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Greg Rose 2010-03-25 17:06:48 +00:00 committed by David S. Miller
parent e017b60316
commit e7d481a6f3
1 changed files with 21 additions and 0 deletions
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21
drivers/net/ixgbe/ixgbe_ethtool.c
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@ -1853,6 +1853,26 @@ static void ixgbe_diag_test(struct net_device *netdev,
if (ixgbe_link_test(adapter, &data[4]))
eth_test->flags |= ETH_TEST_FL_FAILED;
if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
int i;
for (i = 0; i < adapter->num_vfs; i++) {
if (adapter->vfinfo[i].clear_to_send) {
netdev_warn(netdev, "%s",
"offline diagnostic is not "
"supported when VFs are "
"present\n");
data[0] = 1;
data[1] = 1;
data[2] = 1;
data[3] = 1;
eth_test->flags |= ETH_TEST_FL_FAILED;
clear_bit(__IXGBE_TESTING,
&adapter->state);
goto skip_ol_tests;
}
}
}
if (if_running)
/* indicate we're in test mode */
dev_close(netdev);
@ -1908,6 +1928,7 @@ skip_loopback:
clear_bit(__IXGBE_TESTING, &adapter->state);
}
skip_ol_tests:
msleep_interruptible(4 * 1000);
}