From: Carolyn Wyborny <carolyn.wyborny@intel.com>
Date: Wed, 7 Jun 2017 05:43:07 -0400
Subject: i40e: Add message for unsupported MFP mode
Patch-mainline: v4.13-rc1
Git-commit: 83d14c595e011f96c47e5fb09ddb51902e8367aa
References: bsc#1056658 FATE#322188 bsc#1056662 FATE#322186
This patch adds a check and message if the device is in
MFP mode as changing RSS input set is not supported in
MFP mode.
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Benjamin Poirier <bpoirier@suse.com>
---
drivers/net/ethernet/intel/i40e/i40e_ethtool.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
@@ -2711,6 +2711,12 @@ static int i40e_set_rss_hash_opt(struct
u8 flow_pctype = 0;
u64 i_set, i_setc;
+ if (pf->flags & I40E_FLAG_MFP_ENABLED) {
+ dev_err(&pf->pdev->dev,
+ "Change of RSS hash input set is not supported when MFP mode is enabled\n");
+ return -EOPNOTSUPP;
+ }
+
/* RSS does not support anything other than hashing
* to queues on src and dst IPs and ports
*/