X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=utilities%2Fovs-ofctl.8.in;h=705036f9c4bcd52ddab7c9b7f9137b6ff8e6cf3c;hb=c2d967a562aaa57b679c302a5041d5a941154143;hp=65fc6e8e6dedbb05d9dfe5e3a4e1066a30a850d8;hpb=1642690c89075c18a8156e98b9c3d662fbb91196;p=openvswitch

diff --git a/utilities/ovs-ofctl.8.in b/utilities/ovs-ofctl.8.in
index 65fc6e8e..705036f9 100644
--- a/utilities/ovs-ofctl.8.in
+++ b/utilities/ovs-ofctl.8.in
@@ -942,14 +942,20 @@ Restores the queue to the value it was before any \fBset_queue\fR
 actions were applied.
 .
 .IP \fBdec_ttl\fR
+.IQ \fBdec_ttl\fB[\fR(\fIid1,id2\fI)\fR]\fR
 Decrement TTL of IPv4 packet or hop limit of IPv6 packet.  If the
 TTL or hop limit is initially zero, no decrement occurs.  Instead,
 a ``packet-in'' message with reason code \fBOFPR_INVALID_TTL\fR is
 sent to each connected controller that has enabled receiving them,
-if any.  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.
+if any.  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.  This action
+also optionally supports the ability to specify a list of valid
+controller ids.  Each of controllers in the list will receive the
+``packet_in'' message only if they have registered to receive the
+invalid ttl packets.  If controller ids are not specified, the
+``packet_in'' message will be sent only to the controllers having
+controller id zero which have registered for the invalid ttl packets.
 .
 .IP \fBnote:\fR[\fIhh\fR]...
 Does nothing at all.  Any number of bytes represented as hex digits