net/mlx5e: Cleanup attach encap function

Remove the tunnel info argument which we can get from the other args.
Also reorder the args to have input args first and output args later.

This patch doesn't change functionality.

Signed-off-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

drivers/net/ethernet/mellanox/mlx5/core/en_tc.c

@@ -850,12 +850,11 @@ static void mlx5e_detach_encap(struct mlx5e_priv *priv,
 			       struct mlx5e_tc_flow *flow, int out_index);
 
 static int mlx5e_attach_encap(struct mlx5e_priv *priv,
-			      struct ip_tunnel_info *tun_info,
-			      struct net_device *mirred_dev,
-			      struct net_device **encap_dev,
 			      struct mlx5e_tc_flow *flow,
+			      struct net_device *mirred_dev,
+			      int out_index,
 			      struct netlink_ext_ack *extack,
-			      int out_index);
+			      struct net_device **encap_dev);
 
 static struct mlx5_flow_handle *
 mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw,
@@ -970,10 +969,8 @@ mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv,
 		mirred_ifindex = parse_attr->mirred_ifindex[out_index];
 		out_dev = __dev_get_by_index(dev_net(priv->netdev),
 					     mirred_ifindex);
-		err = mlx5e_attach_encap(priv,
-					 &parse_attr->tun_info[out_index],
-					 out_dev, &encap_dev, flow,
-					 extack, out_index);
+		err = mlx5e_attach_encap(priv, flow, out_dev, out_index,
+					 extack, &encap_dev);
 		if (err && err != -EAGAIN)
 			goto err_attach_encap;
 		if (err == -EAGAIN)
@@ -2342,22 +2339,28 @@ static bool is_merged_eswitch_dev(struct mlx5e_priv *priv,
 
 
 static int mlx5e_attach_encap(struct mlx5e_priv *priv,
-			      struct ip_tunnel_info *tun_info,
-			      struct net_device *mirred_dev,
-			      struct net_device **encap_dev,
 			      struct mlx5e_tc_flow *flow,
+			      struct net_device *mirred_dev,
+			      int out_index,
 			      struct netlink_ext_ack *extack,
-			      int out_index)
+			      struct net_device **encap_dev)
 {
 	struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
-	unsigned short family = ip_tunnel_info_af(tun_info);
 	struct mlx5_esw_flow_attr *attr = flow->esw_attr;
-	struct ip_tunnel_key *key = &tun_info->key;
+	struct mlx5e_tc_flow_parse_attr *parse_attr;
+	struct ip_tunnel_info *tun_info;
+	struct ip_tunnel_key *key;
 	struct mlx5e_encap_entry *e;
+	unsigned short family;
 	uintptr_t hash_key;
 	bool found = false;
 	int err = 0;
 
+	parse_attr = attr->parse_attr;
+	tun_info = &parse_attr->tun_info[out_index];
+	family = ip_tunnel_info_af(tun_info);
+	key = &tun_info->key;
+
 	hash_key = hash_encap_info(key);
 
 	hash_for_each_possible_rcu(esw->offloads.encap_tbl, e,