netdev - [net-next 14/15] net/mlx5e: Add a helper macro in set features ndo

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Date:   Fri, 23 Mar 2018 15:39:24 -0700
From:   Saeed Mahameed <saeedm@...lanox.com>
To:     "David S. Miller" <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, Gal Pressman <galp@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>
Subject: [net-next 14/15] net/mlx5e: Add a helper macro in set features ndo

From: Gal Pressman <galp@...lanox.com>

Add a new macro to prevent copy-pasting the same code for each new
feature.

Signed-off-by: Gal Pressman <galp@...lanox.com>
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 26 ++++++++++-------------
 1 file changed, 11 insertions(+), 15 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index eb38a35564c7..fb936a978f20 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -3242,24 +3242,20 @@ static int mlx5e_set_features(struct net_device *netdev,
 			      netdev_features_t features)
 {
 	netdev_features_t oper_features = netdev->features;
-	int err;
+	int err = 0;
+
+#define MLX5E_HANDLE_FEATURE(feature, handler) \
+	mlx5e_handle_feature(netdev, &oper_features, features, feature, handler)
 
-	err  = mlx5e_handle_feature(netdev, &oper_features, features,
-				    NETIF_F_LRO, set_feature_lro);
-	err |= mlx5e_handle_feature(netdev, &oper_features, features,
-				    NETIF_F_HW_VLAN_CTAG_FILTER,
+	err |= MLX5E_HANDLE_FEATURE(NETIF_F_LRO, set_feature_lro);
+	err |= MLX5E_HANDLE_FEATURE(NETIF_F_HW_VLAN_CTAG_FILTER,
 				    set_feature_cvlan_filter);
-	err |= mlx5e_handle_feature(netdev, &oper_features, features,
-				    NETIF_F_HW_TC, set_feature_tc_num_filters);
-	err |= mlx5e_handle_feature(netdev, &oper_features, features,
-				    NETIF_F_RXALL, set_feature_rx_all);
-	err |= mlx5e_handle_feature(netdev, &oper_features, features,
-				    NETIF_F_RXFCS, set_feature_rx_fcs);
-	err |= mlx5e_handle_feature(netdev, &oper_features, features,
-				    NETIF_F_HW_VLAN_CTAG_RX, set_feature_rx_vlan);
+	err |= MLX5E_HANDLE_FEATURE(NETIF_F_HW_TC, set_feature_tc_num_filters);
+	err |= MLX5E_HANDLE_FEATURE(NETIF_F_RXALL, set_feature_rx_all);
+	err |= MLX5E_HANDLE_FEATURE(NETIF_F_RXFCS, set_feature_rx_fcs);
+	err |= MLX5E_HANDLE_FEATURE(NETIF_F_HW_VLAN_CTAG_RX, set_feature_rx_vlan);
 #ifdef CONFIG_RFS_ACCEL
-	err |= mlx5e_handle_feature(netdev, &oper_features, features,
-				    NETIF_F_NTUPLE, set_feature_arfs);
+	err |= MLX5E_HANDLE_FEATURE(NETIF_F_NTUPLE, set_feature_arfs);
 #endif
 
 	if (err) {
-- 
2.14.3