From: Saurav Kashyap <skashyap@marvell.com>
Date: Fri, 23 Aug 2019 02:52:41 -0700
Subject: scsi: qedf: Decrease the LL2 MTU size to 2500
Patch-mainline: v5.4-rc1
Git-commit: f6d63678b07f935fefd7cfefe7b43f56bad274b6
References: bsc#1149976

Decrease the LL2 MTU size to 2500.

Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Lee Duncan <lduncan@suse.com>
---
 drivers/scsi/qedf/qedf.h      |    1 +
 drivers/scsi/qedf/qedf_main.c |    2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/scsi/qedf/qedf.h
+++ b/drivers/scsi/qedf/qedf.h
@@ -55,6 +55,7 @@
 #define QEDF_ABORT_TIMEOUT	(10 * 1000)
 #define QEDF_CLEANUP_TIMEOUT	1
 #define QEDF_MAX_CDB_LEN	16
+#define QEDF_LL2_BUF_SIZE	2500	/* Buffer size required for LL2 Rx */
 
 #define UPSTREAM_REMOVE		1
 #define UPSTREAM_KEEP		1
--- a/drivers/scsi/qedf/qedf_main.c
+++ b/drivers/scsi/qedf/qedf_main.c
@@ -3331,7 +3331,7 @@ static int __qedf_probe(struct pci_dev *
 	}
 
 	memset(&params, 0, sizeof(params));
-	params.mtu = 9000;
+	params.mtu = QEDF_LL2_BUF_SIZE;
 	ether_addr_copy(params.ll2_mac_address, qedf->mac);
 
 	/* Start LL2 processing thread */