The Open vSwtich datapath's GRE implementation does not appear to make a distinction between no key present and a zero key present, which appears to be consistent with the (other) Linux implementation of GRE. Make this a little clearer in the documentation.
Signed-off-by: Simon Horman <ho...@verge.net.au> --- utilities/ovs-ofctl.8.in | 10 +++++----- 1 files changed, 5 insertions(+), 5 deletions(-) diff --git a/utilities/ovs-ofctl.8.in b/utilities/ovs-ofctl.8.in index 1c1b709..ed2ba79 100644 --- a/utilities/ovs-ofctl.8.in +++ b/utilities/ovs-ofctl.8.in @@ -666,11 +666,11 @@ digits delimited by colons. .IP \fBtun_id=\fItunnel-id\fR[\fB/\fImask\fR] Matches tunnel identifier \fItunnel-id\fR. Only packets that arrive over a tunnel that carries a key (e.g. GRE with the RFC 2890 key -extension) will have a nonzero tunnel ID. If \fImask\fR is omitted, -\fItunnel-id\fR is the exact tunnel ID to match; if \fImask\fR is -specified, then a 1-bit in \fImask\fR indicates that the corresponding -bit in \fItunnel-id\fR must match exactly, and a 0-bit wildcards that -bit. +extension and a nonzero key value) will have a nonzero tunnel ID. +If \fImask\fR is omitted, \fItunnel-id\fR is the exact tunnel ID to match; +if \fImask\fR is specified, then a 1-bit in \fImask\fR indicates that the +corresponding bit in \fItunnel-id\fR must match exactly, and a 0-bit +wildcards that bit. .IP In an attempt to be compatible with more switches, \fBovs\-ofctl\fR will prefer to use the ``tunnel ID from cookie'' Nicira extension to NXM. -- 1.7.6.3 _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
