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userspace: add erspan tunnel support.

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ERSPAN is a tunneling protocol based on GRE tunnel.  The patch
add erspan tunnel support for ovs-vswitchd with userspace datapath.
Configuring erspan tunnel is similar to gre tunnel, but with
additional erspan's parameters.  Matching a flow on erspan's
metadata is also supported, see ovs-fields for more details.

Signed-off-by: William Tu <u9012063@gmail.com>
Signed-off-by: Greg Rose <gvrose8192@gmail.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
This commit is contained in:
William Tu
2018-05-15 16:10:48 -04:00
committed by Ben Pfaff
parent 0ffff49753
commit 7dc18ae96d
30 changed files with 1183 additions and 27 deletions
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4
lib/dpif-netlink.c
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@@ -819,6 +819,10 @@ netdev_to_ovs_vport_type(const char *type)
return OVS_VPORT_TYPE_VXLAN;
} else if (!strcmp(type, "lisp")) {
return OVS_VPORT_TYPE_LISP;
} else if (!strcmp(type, "erspan")) {
return OVS_VPORT_TYPE_ERSPAN;
} else if (!strcmp(type, "ip6erspan")) {
return OVS_VPORT_TYPE_IP6ERSPAN;
} else {
return OVS_VPORT_TYPE_UNSPEC;
}