[SCSI] libfcoe: add tracking FIP Virtual Link Failure count

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>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c
index 9961fd7310b7079f7a4a6e2c93e60a5ea77f7429..34800af808e1087b1f9eb7f46aacb2f1d9727a61 100644 (file)
--- 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);