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[SCSI] libfcoe: FIP should report link to libfc whether selected or not

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The fnic driver with FIP is reporting link up, even though it's down.

When the interface is shut down by the switch, we receive a clear
virtual link, and set the state reported to libfc as down, although
we still report it up.  Clearly wrong.  That causes the subsequent
link down event not to be reported, and /sys shows the host "Online".

Currently, in FIP mode, if an FCF times out, then link to libfc
is reported as down, to stop FLOGIs.  That interferes with the LLD
link down being reported.

Users really need to know the physical link information, to diagnose
cabling issues, so physical link status should be reported to libfc.

If the selected FCF needs to be reported, that should be done
separately, in a later patch.

Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Joe Eykholt 2009-11-03 11:48:27 -08:00 • committed by James Bottomley
parent 1f4aed818d
commit dd42dac4ec
2 changed files with 31 additions and 30 deletions
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1
include/scsi/libfcoe.h
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@ -108,6 +108,7 @@ struct fcoe_ctlr {
u8 flogi_count;
u8 link;
u8 last_link;
u8 reset_req;
u8 map_dest;
u8 spma;
u8 send_ctlr_ka;