From: Patryk Małek <patryk.malek@intel.com>
Date: Mon, 19 Mar 2018 16:28:03 +0000 (-0700)
Subject: i40e: Prevent setting link speed on KX_X722
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=88244a48d2ddebbe041ec4f07e40598cfd8bf06f;p=openwrt%2Fstaging%2Fblogic.git

i40e: Prevent setting link speed on KX_X722

Setting link settings on backplane devices shouldn't be allowed.
This patch adds one more device id to the list which we check
that against.

Signed-off-by: Patryk Małek <patryk.malek@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---

diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
index 0ce68e8a45cc..d3d299ab9de3 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
@@ -859,7 +859,8 @@ static int i40e_set_link_ksettings(struct net_device *netdev,
 	if (hw->device_id == I40E_DEV_ID_KX_B ||
 	    hw->device_id == I40E_DEV_ID_KX_C ||
 	    hw->device_id == I40E_DEV_ID_20G_KR2 ||
-	    hw->device_id == I40E_DEV_ID_20G_KR2_A) {
+	    hw->device_id == I40E_DEV_ID_20G_KR2_A ||
+	    hw->device_id == I40E_DEV_ID_KX_X722) {
 		netdev_info(netdev, "Changing settings is not supported on backplane.\n");
 		return -EOPNOTSUPP;
 	}