net: Changes to ip_tunnel to support foo-over-udp encapsulation

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This patch changes IP tunnel to support (secondary) encapsulation,
Foo-over-UDP. Changes include:

1) Adding tun_hlen as the tunnel header length, encap_hlen as the
   encapsulation header length, and hlen becomes the grand total
   of these.
2) Added common netlink define to support FOU encapsulation.
3) Routines to perform FOU encapsulation.

Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Tom Herbert 2014-09-17 12:25:58 -07:00 • committed by David S. Miller

parent afe93325bc

commit 5632848653

3 changed files with 120 additions and 2 deletions

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19

include/net/ip_tunnels.h

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12

include/uapi/linux/if_tunnel.h

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91

net/ipv4/ip_tunnel.c

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