net/mlx5e: Provide intermediate pointer to access IPsec struct

Improve readability by providing direct pointer to struct mlx5e_ipsec.
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>

drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c

@@ -312,23 +312,23 @@ void mlx5e_ipsec_offload_handle_rx_skb(struct net_device *netdev,
 				       struct mlx5_cqe64 *cqe)
 {
 	u32 ipsec_meta_data = be32_to_cpu(cqe->ft_metadata);
-	struct mlx5e_priv *priv;
+	struct mlx5e_priv *priv = netdev_priv(netdev);
+	struct mlx5e_ipsec *ipsec = priv->ipsec;
 	struct xfrm_offload *xo;
 	struct xfrm_state *xs;
 	struct sec_path *sp;
 	u32  sa_handle;
 
 	sa_handle = MLX5_IPSEC_METADATA_HANDLE(ipsec_meta_data);
-	priv = netdev_priv(netdev);
 	sp = secpath_set(skb);
 	if (unlikely(!sp)) {
-		atomic64_inc(&priv->ipsec->sw_stats.ipsec_rx_drop_sp_alloc);
+		atomic64_inc(&ipsec->sw_stats.ipsec_rx_drop_sp_alloc);
 		return;
 	}
 
-	xs = mlx5e_ipsec_sadb_rx_lookup(priv->ipsec, sa_handle);
+	xs = mlx5e_ipsec_sadb_rx_lookup(ipsec, sa_handle);
 	if (unlikely(!xs)) {
-		atomic64_inc(&priv->ipsec->sw_stats.ipsec_rx_drop_sadb_miss);
+		atomic64_inc(&ipsec->sw_stats.ipsec_rx_drop_sadb_miss);
 		return;
 	}
 
@@ -349,6 +349,6 @@ void mlx5e_ipsec_offload_handle_rx_skb(struct net_device *netdev,
 		xo->status = CRYPTO_INVALID_PACKET_SYNTAX;
 		break;
 	default:
-		atomic64_inc(&priv->ipsec->sw_stats.ipsec_rx_drop_syndrome);
+		atomic64_inc(&ipsec->sw_stats.ipsec_rx_drop_syndrome);
 	}
 }