xfrm: use gre key as flow upper protocol info

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The GRE Key field is intended to be used for identifying an individual
traffic flow within a tunnel. It is useful to be able to have XFRM
policy selector matches to have different policies for different
GRE tunnels.

Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Timo Teräs 2010-11-03 04:41:38 +00:00 • committed by David S. Miller

parent e1f2d8c2cc

commit cc9ff19da9

4 changed files with 30 additions and 5 deletions

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2

include/net/flow.h

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6

include/net/xfrm.h

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