From: Sudarsana Reddy Kalluru <sudarsana.kalluru@cavium.com>
Date: Fri, 21 Oct 2016 08:43:40 +0000 (-0400)
Subject: qede: Do not allow RSS config for 100G devices
X-Git-Tag: v4.1.12-93~2^2~220
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=4e127bae851c511ab53e06c0d2e454836fb41569;p=users%2Fjedix%2Flinux-maple.git

qede: Do not allow RSS config for 100G devices

Orabug: 25477939

RSS configuration is not supported for 100G adapters.

Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit ba300ce35123a9ba8ea55318b0f579cc1ab3f51a)
Signed-off-by: Brian Maly <brian.maly@oracle.com>
---

diff --git a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
index 7ee15ec223499..f97c97cc39b9a 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
@@ -983,6 +983,12 @@ static int qede_set_rxfh(struct net_device *dev, const u32 *indir,
 	struct qede_dev *edev = netdev_priv(dev);
 	int i;
 
+	if (edev->dev_info.common.num_hwfns > 1) {
+		DP_INFO(edev,
+			"RSS configuration is not supported for 100G devices\n");
+		return -EOPNOTSUPP;
+	}
+
 	if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
 		return -EOPNOTSUPP;