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authorSaeed Mahameed <saeedm@mellanox.com>2019-05-07 22:59:38 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-05-25 19:16:18 +0300
commit9bc7fcde5d97e23ebea699c255e0a6f922f63df6 (patch)
treeb26bcc4f43301dcbd5fde8bdae208ed06e6d63d9 /drivers/net/ethernet/mellanox
parentabf7b7f7cba6daf07048a9d99083ee60ee60d2a5 (diff)
downloadlinux-9bc7fcde5d97e23ebea699c255e0a6f922f63df6.tar.xz
net/mlx5e: Fix ethtool rxfh commands when CONFIG_MLX5_EN_RXNFC is disabled
[ Upstream commit 8f0916c6dc5cd5e3bc52416fa2a9ff4075080180 ] ethtool user spaces needs to know ring count via ETHTOOL_GRXRINGS when executing (ethtool -x) which is retrieved via ethtool get_rxnfc callback, in mlx5 this callback is disabled when CONFIG_MLX5_EN_RXNFC=n. This patch allows only ETHTOOL_GRXRINGS command on mlx5e_get_rxnfc() when CONFIG_MLX5_EN_RXNFC is disabled, so ethtool -x will continue working. Fixes: fe6d86b3c316 ("net/mlx5e: Add CONFIG_MLX5_EN_RXNFC for ethtool rx nfc") Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/ethernet/mellanox')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index 78dc8fe2a83c..2821208119c0 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -1901,6 +1901,22 @@ static int mlx5e_flash_device(struct net_device *dev,
return mlx5e_ethtool_flash_device(priv, flash);
}
+#ifndef CONFIG_MLX5_EN_RXNFC
+/* When CONFIG_MLX5_EN_RXNFC=n we only support ETHTOOL_GRXRINGS
+ * otherwise this function will be defined from en_fs_ethtool.c
+ */
+static int mlx5e_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, u32 *rule_locs)
+{
+ struct mlx5e_priv *priv = netdev_priv(dev);
+
+ if (info->cmd != ETHTOOL_GRXRINGS)
+ return -EOPNOTSUPP;
+ /* ring_count is needed by ethtool -x */
+ info->data = priv->channels.params.num_channels;
+ return 0;
+}
+#endif
+
const struct ethtool_ops mlx5e_ethtool_ops = {
.get_drvinfo = mlx5e_get_drvinfo,
.get_link = ethtool_op_get_link,
@@ -1919,8 +1935,8 @@ const struct ethtool_ops mlx5e_ethtool_ops = {
.get_rxfh_indir_size = mlx5e_get_rxfh_indir_size,
.get_rxfh = mlx5e_get_rxfh,
.set_rxfh = mlx5e_set_rxfh,
-#ifdef CONFIG_MLX5_EN_RXNFC
.get_rxnfc = mlx5e_get_rxnfc,
+#ifdef CONFIG_MLX5_EN_RXNFC
.set_rxnfc = mlx5e_set_rxnfc,
#endif
.flash_device = mlx5e_flash_device,