netdev - [PATCH net 2/7] qede: Do not allow RSS config for 100G devices

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Message-ID: <1477039425-31341-3-git-send-email-sudarsana.kalluru@cavium.com>
Date:   Fri, 21 Oct 2016 04:43:40 -0400
From:   <sudarsana.kalluru@...ium.com>
To:     <davem@...emloft.net>
CC:     <netdev@...r.kernel.org>, <Ariel.Elior@...ium.com>,
        <Yuval.Mintz@...ium.com>, <manish.chopra@...ium.com>,
        Sudarsana Reddy Kalluru <sudarsana.kalluru@...ium.com>
Subject: [PATCH net 2/7] qede: Do not allow RSS config for 100G devices

From: Sudarsana Reddy Kalluru <sudarsana.kalluru@...ium.com>

RSS configuration is not supported for 100G adapters.

Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@...ium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@...ium.com>
---
 drivers/net/ethernet/qlogic/qede/qede_ethtool.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
index 16a1a47..bf04fb9 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
@@ -1055,6 +1055,12 @@ 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;
 
-- 
1.8.3.1