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igbvf: force link checking when mailbox timeout has occurred

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This change forces the link down when a mailbox timeout has occurred.
Previously it was possible for a mailbox timeout to occur but for the
interface to stay up.  The problem with this was that it became possible
for an interface to stay up and miss multiple requests resulting in a
possible issue since the interface will be running in an unknown state.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Alexander Duyck 2010-11-18 03:12:30 +00:00 committed by Jeff Kirsher
parent 13800469d4
commit 0e512bfc2c
1 changed files with 2 additions and 2 deletions
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4
drivers/net/igbvf/vf.c
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@ -362,8 +362,8 @@ static s32 e1000_check_for_link_vf(struct e1000_hw *hw)
* or a virtual function reset * or a virtual function reset
*/ */
/* If we were hit with a reset drop the link */ /* If we were hit with a reset or timeout drop the link */
if (!mbx->ops.check_for_rst(hw)) if (!mbx->ops.check_for_rst(hw) || !mbx->timeout)
mac->get_link_status = true; mac->get_link_status = true;
if (!mac->get_link_status) if (!mac->get_link_status)