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openvswitch: add erspan version I and II support

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The patch adds support for openvswitch to configure erspan
v1 and v2.  The OVS_TUNNEL_KEY_ATTR_ERSPAN_OPTS attr is added
to uapi as a binary blob to support all ERSPAN v1 and v2's
fields.  Note that Previous commit "openvswitch: Add erspan tunnel
support." was reverted since it does not design properly.

Signed-off-by: William Tu <u9012063@gmail.com>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
William Tu
2018-01-25 13:20:11 -08:00
committed by David S. Miller
parent d350a82302
commit fc1372f89f
2 changed files with 52 additions and 1 deletions
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include/uapi/linux/openvswitch.h
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@@ -363,6 +363,7 @@ enum ovs_tunnel_key_attr {
OVS_TUNNEL_KEY_ATTR_IPV6_SRC, /* struct in6_addr src IPv6 address. */
OVS_TUNNEL_KEY_ATTR_IPV6_DST, /* struct in6_addr dst IPv6 address. */
OVS_TUNNEL_KEY_ATTR_PAD,
OVS_TUNNEL_KEY_ATTR_ERSPAN_OPTS, /* struct erspan_metadata */
__OVS_TUNNEL_KEY_ATTR_MAX
};