net/mlx5e: Add CONFIG_MLX5_EN_ARFS for accelerated flow steering support

[sfrench/cifs-2.6.git] / drivers / net / ethernet / mellanox / mlx5 / core / en_arfs.c

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
index 75e4308ba786aeca51bba013031aeee485e96dd9..45cdde694d20049af85391ffcc376438fadb921e 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
@@ -30,8 +30,6 @@
  * SOFTWARE.
  */
 
-#ifdef CONFIG_RFS_ACCEL
-
 #include <linux/hash.h>
 #include <linux/mlx5/fs.h>
 #include <linux/ip.h>
@@ -381,14 +379,14 @@ static void arfs_may_expire_flow(struct mlx5e_priv *priv)
        HLIST_HEAD(del_list);
        spin_lock_bh(&priv->fs.arfs.arfs_lock);
        mlx5e_for_each_arfs_rule(arfs_rule, htmp, priv->fs.arfs.arfs_tables, i, j) {
-               if (quota++ > MLX5E_ARFS_EXPIRY_QUOTA)
-                       break;
                if (!work_pending(&arfs_rule->arfs_work) &&
                    rps_may_expire_flow(priv->netdev,
                                        arfs_rule->rxq, arfs_rule->flow_id,
                                        arfs_rule->filter_id)) {
                        hlist_del_init(&arfs_rule->hlist);
                        hlist_add_head(&arfs_rule->hlist, &del_list);
+                       if (quota++ > MLX5E_ARFS_EXPIRY_QUOTA)
+                               break;
                }
        }
        spin_unlock_bh(&priv->fs.arfs.arfs_lock);
@@ -711,6 +709,9 @@ int mlx5e_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
            skb->protocol != htons(ETH_P_IPV6))
                return -EPROTONOSUPPORT;
 
+       if (skb->encapsulation)
+               return -EPROTONOSUPPORT;
+
        arfs_t = arfs_get_table(arfs, arfs_get_ip_proto(skb), skb->protocol);
        if (!arfs_t)
                return -EPROTONOSUPPORT;
@@ -735,4 +736,4 @@ int mlx5e_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
        spin_unlock_bh(&arfs->arfs_lock);
        return arfs_rule->filter_id;
 }
-#endif
+