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 7ee15ec223499facc088611c38a29dfd6415ac16..f97c97cc39b9a5069418d16dcc260eb571bb382f 100644 (file)
--- 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;