[PATCH 5/9] libfcoe: add tracking FIP Virtual Link Failure count

[Robert Love <robert.w.love@intel.com>]

From: Yi Zou <yi.zou@intel.com>

Add tracking the Virtual Link Failure count when either we have found
the FCF as "aged" or we are receiving FIP Clear Virtual Link from the
FCF.

Signed-off-by: Yi Zou <yi.zou@intel.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
---

 drivers/scsi/fcoe/libfcoe.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c
index 9961fd7..34800af 100644
--- a/drivers/scsi/fcoe/libfcoe.c
+++ b/drivers/scsi/fcoe/libfcoe.c
@@ -578,6 +578,7 @@ static void fcoe_ctlr_age_fcfs(struct fcoe_ctlr *fip)
 			WARN_ON(!fip->fcf_count);
 			fip->fcf_count--;
 			kfree(fcf);
+			fc_lport_get_stats(fip->lp)->VLinkFailureCount++;
 		} else if (fcoe_ctlr_mtu_valid(fcf) &&
 			   (!sel_time || time_before(sel_time, fcf->time))) {
 			sel_time = fcf->time;
@@ -990,6 +991,7 @@ static void fcoe_ctlr_recv_clr_vlink(struct fcoe_ctlr *fip,
 		LIBFCOE_FIP_DBG(fip, "performing Clear Virtual Link\n");
 
 		spin_lock_bh(&fip->lock);
+		fc_lport_get_stats(lport)->VLinkFailureCount++;
 		fcoe_ctlr_reset(fip);
 		spin_unlock_bh(&fip->lock);