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-rw-r--r--include/net/mpls.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/net/mpls.h b/include/net/mpls.h
index 5b3b5addfb08..3ebbc0bb57ff 100644
--- a/include/net/mpls.h
+++ b/include/net/mpls.h
@@ -19,12 +19,21 @@
#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);
+}
+
/*
* For non-MPLS skbs this will correspond to the network header.
* For MPLS skbs it will be before the network_header as the MPLS