Commit 1f0b7744 authored by Yi Yang's avatar Yi Yang Committed by David S. Miller

net: add NSH header structures and helpers

NSH (Network Service Header)[1] is a new protocol for service
function chaining, it can be handled as a L3 protocol like
IPv4 and IPv6, Eth + NSH + Inner packet or VxLAN-gpe + NSH +
Inner packet are two typical use cases.

This patch adds NSH header structures and helpers for NSH GSO
support and Open vSwitch NSH support.


[Jiri: added nsh_hdr() helper and renamed the header struct to "struct
nshhdr" to match the usual pattern. Removed packet type defines, these are
now shared with VXLAN-GPE.]
Signed-off-by: default avatarYi Yang <>
Signed-off-by: default avatarJiri Benc <>
Signed-off-by: default avatarDavid S. Miller <>
parent fa20e0e3
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