ip6_gre: add ip6 gre and gretap collect_md mode

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Similar to gre, vxlan, geneve, ipip tunnels, allow ip6 gre and gretap
tunnels to operate in collect metadata mode.  bpf_skb_[gs]et_tunnel_key()
helpers can make use of it right away.  OVS can use it as well in the
future.

Signed-off-by: William Tu <u9012063@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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This commit is contained in:

William Tu 2017-12-01 15:26:08 -08:00 • committed by David S. Miller

parent c34bc2b505

commit 6712abc168

2 changed files with 99 additions and 11 deletions

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105

net/ipv6/ip6_gre.c

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5

net/ipv6/ip6_tunnel.c

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