mpls: move mpls_hdr to a common location
This will be also used by openvswitch.
Signed-off-by: Jiri Benc <jbenc@redhat.com>
Acked-by: David Ahern <dsa@cumulusnetworks.com>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/mpls.h b/include/net/mpls.h
index 5b3b5ad..3ebbc0b 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