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mpls: move mpls_hdr to a common location

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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>
This commit is contained in:
Jiri Benc
2016-09-30 19:08:06 +02:00
committed by David S. Miller
parent f7d49bce8e
commit 9095e10edd
2 changed files with 10 additions and 9 deletions
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9
include/net/mpls.h
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@@ -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