linux-kernel - [PATCH v5 2/4] scsi: fnic: Turn off FDMI ACTIVE flags on link down

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Message-ID: <20250616162632.4835-2-kartilak@cisco.com>
Date: Mon, 16 Jun 2025 09:26:30 -0700
From: Karan Tilak Kumar <kartilak@...co.com>
To: sebaddel@...co.com
Cc: arulponn@...co.com,
	djhawar@...co.com,
	gcboffa@...co.com,
	mkai2@...co.com,
	satishkh@...co.com,
	aeasi@...co.com,
	jejb@...ux.ibm.com,
	martin.petersen@...cle.com,
	linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	jmeneghi@...hat.com,
	revers@...hat.com,
	dan.carpenter@...aro.org,
	Karan Tilak Kumar <kartilak@...co.com>,
	stable@...r.kernel.org
Subject: [PATCH v5 2/4] scsi: fnic: Turn off FDMI ACTIVE flags on link down

When the link goes down and comes up, FDMI requests are not sent out
anymore.
Fix bug by turning off FNIC_FDMI_ACTIVE when the link goes down.

Fixes: 09c1e6ab4ab2 ("scsi: fnic: Add and integrate support for FDMI")
Reviewed-by: Sesidhar Baddela <sebaddel@...co.com>
Reviewed-by: Arulprabhu Ponnusamy <arulponn@...co.com>
Reviewed-by: Gian Carlo Boffa <gcboffa@...co.com>
Reviewed-by: Arun Easi <aeasi@...co.com>
Tested-by: Karan Tilak Kumar <kartilak@...co.com>
Cc: <stable@...r.kernel.org>
Signed-off-by: Karan Tilak Kumar <kartilak@...co.com>
---
Changes between v4 and v5:
    - Incorporate review comments from John:
	- Refactor patches
	- Increment driver version number

Changes between v3 and v4:
    - Incorporate review comments from Dan:
	- Remove comments from Cc tag

Changes between v2 and v3:
    - Incorporate review comments from Dan:
	- Add Cc to stable

Changes between v1 and v2:
    - Incorporate review comments from Dan:
	- Add Fixes tag
---
 drivers/scsi/fnic/fdls_disc.c | 9 ++++++---
 drivers/scsi/fnic/fnic.h      | 2 +-
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/fnic/fdls_disc.c b/drivers/scsi/fnic/fdls_disc.c
index 0ee1b74967b9..146744ca97c2 100644
--- a/drivers/scsi/fnic/fdls_disc.c
+++ b/drivers/scsi/fnic/fdls_disc.c
@@ -5027,9 +5027,12 @@ void fnic_fdls_link_down(struct fnic_iport_s *iport)
 		fdls_delete_tport(iport, tport);
 	}
 
-	if ((fnic_fdmi_support == 1) && (iport->fabric.fdmi_pending > 0)) {
-		timer_delete_sync(&iport->fabric.fdmi_timer);
-		iport->fabric.fdmi_pending = 0;
+	if (fnic_fdmi_support == 1) {
+		if (iport->fabric.fdmi_pending > 0) {
+			timer_delete_sync(&iport->fabric.fdmi_timer);
+			iport->fabric.fdmi_pending = 0;
+		}
+		iport->flags &= ~FNIC_FDMI_ACTIVE;
 	}
 
 	FNIC_FCS_DBG(KERN_INFO, fnic->host, fnic->fnic_num,
diff --git a/drivers/scsi/fnic/fnic.h b/drivers/scsi/fnic/fnic.h
index 86e293ce530d..c2fdc6553e62 100644
--- a/drivers/scsi/fnic/fnic.h
+++ b/drivers/scsi/fnic/fnic.h
@@ -30,7 +30,7 @@
 
 #define DRV_NAME		"fnic"
 #define DRV_DESCRIPTION		"Cisco FCoE HBA Driver"
-#define DRV_VERSION		"1.8.0.1"
+#define DRV_VERSION		"1.8.0.2"
 #define PFX			DRV_NAME ": "
 #define DFX                     DRV_NAME "%d: "
 
-- 
2.47.1