/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2014 Nicira, Inc. */ #ifndef _NET_MPLS_H #define _NET_MPLS_H 1 #include <linux/if_ether.h> #include <linux/netdevice.h> #define MPLS_HLEN 4 struct mpls_shim_hdr { __be32 label_stack_entry; }; static inline bool eth_p_mpls(__be16 eth_type) { return eth_type == htons(ETH_P_MPLS_UC) || eth_type == htons(ETH_P_MPLS_MC); } static inline struct mpls_shim_hdr *mpls_hdr(const struct sk_buff *skb) { return (struct mpls_shim_hdr *)skb_network_header(skb); } #endif