diff options
| author | Yi Yang <yi.y.yang@intel.com> | 2018-01-11 13:24:03 +0800 |
|---|---|---|
| committer | Ben Pfaff <blp@ovn.org> | 2018-01-11 15:55:03 -0800 |
| commit | 491e05c23362fbdb36dad9b575a6a67e41630868 (patch) | |
| tree | 105995c36d526a071e9ceadc7ea2fa2e334b8d07 /utilities | |
| parent | 81fdabb94dd7b58e713f27cc1daf5c1794be9e0c (diff) | |
| download | openvswitch-491e05c23362fbdb36dad9b575a6a67e41630868.tar.gz | |
nsh: add dec_nsh_ttl action
NSH ttl is a 6-bit field ranged from 0 to 63, it should be
decremented by 1 every hop, if it is 0 or it is so after
decremented, the packet should be dropped and a packet-in
message is sent to main controller.
Signed-off-by: Yi Yang <yi.y.yang@intel.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
Diffstat (limited to 'utilities')
| -rw-r--r-- | utilities/ovs-ofctl.8.in | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/utilities/ovs-ofctl.8.in b/utilities/ovs-ofctl.8.in index 5cdf48ce8..95344c7e3 100644 --- a/utilities/ovs-ofctl.8.in +++ b/utilities/ovs-ofctl.8.in @@ -1280,6 +1280,15 @@ Processing the current set of actions then stops. However, if the current set of actions was reached through ``resubmit'' then remaining actions in outer levels resume processing. . +.IP \fBdec_nsh_ttl\fR +Decrement TTL of the outer NSH header of a packet. If the TTL +is initially zero or decrementing would make it so, no decrement occurs. +Instead, a ``packet-in'' message with reason code \fBOFPR_INVALID_TTL\fR +is sent to the main controller (id zero), if it has enabled receiving them. +Processing the current set of actions then stops. However, if the current +set of actions was reached through ``resubmit'' then remaining actions in +outer levels resume processing. +. .IP \fBnote:\fR[\fIhh\fR]... Does nothing at all. Any number of bytes represented as hex digits \fIhh\fR may be included. Pairs of hex digits may be separated by @@ -1587,6 +1596,8 @@ the action set, the one written later replaces the earlier action: \fBdec_ttl\fR .IQ \fBdec_mpls_ttl\fR +.IQ +\fBdec_nsh_ttl\fR . .IP 7. \fBload\fR @@ -1647,7 +1658,7 @@ not visible.) .RE .IP Only the actions listed above may be written to the action set. -\fBencap\fR and \fBdecap\fR actions are nonstandard. +\fBencap\fR, \fBdecap\fR and \fBdec_nsh_ttl\fR actions are nonstandard. . .IP \fBwrite_metadata\fB:\fIvalue\fR[/\fImask\fR] Updates the metadata field for the flow. If \fImask\fR is omitted, the |