use "/usr/bin/env python" for shebangs for python scripts

[cascardo/ovs.git] / utilities / ovs-ofctl.8.in

diff --git a/utilities/ovs-ofctl.8.in b/utilities/ovs-ofctl.8.in
index fcb47d8..468f7d9 100644 (file)
--- a/utilities/ovs-ofctl.8.in
+++ b/utilities/ovs-ofctl.8.in
@@ -1692,6 +1692,16 @@ connection tracker with the \fBtable\fR specified.
 .IP
 The \fBcommit\fR parameter must be specified to use \fBexec(...)\fR.
 .
+.IP \fBalg=\fIalg\fR
+Specify application layer gateway \fIalg\fR to track specific connection
+types. Supported types include:
+.RS
+.IP \fBftp\fR
+Look for negotiation of FTP data connections. If a subsequent FTP data
+connection arrives which is related, the \fBct\fR action will set the
+\fBrel\fR flag in the \fBct_state\fR field for packets sent through \fBct\fR.
+.RE
+.
 .RE
 .IP
 The \fBct\fR action may be used as a primitive to construct stateful firewalls
@@ -1726,7 +1736,7 @@ nf_conntrack module loaded.
 .RE
 .
 .IP \fBdec_ttl\fR
-.IQ \fBdec_ttl\fB[\fR(\fIid1,id2\fI)\fR]\fR
+.IQ \fBdec_ttl(\fIid1\fR[\fB,\fIid2\fR]...\fB)\fR
 Decrement TTL of IPv4 packet or hop limit of IPv6 packet.  If the
 TTL or hop limit is initially zero or decrementing would make it so, no
 decrement occurs, as packets reaching TTL zero must be rejected.  Instead,
@@ -1734,10 +1744,11 @@ 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.  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
+remaining actions in outer levels resume processing.
+.IP
+This action also optionally supports the ability to specify a list of
+valid controller ids.  Each of the 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.
@@ -2586,6 +2597,9 @@ This field is optional for \fBadd\-group\fR, \fBadd\-groups\fR and
 \fBmod\-group\fR commands on groups of type \fBselect\fR. Prohibited
 otherwise. The default value is the empty string.
 .IP
+Other than the empty string, \fBhash\fR is currently the only defined
+selection method.
+.IP
 This option will use a Netronome OpenFlow extension which is only supported
 when using Open vSwitch 2.4 and later with OpenFlow 1.5 and later.
 
@@ -2599,7 +2613,8 @@ Prohibited otherwise. The default value is zero.
 This option will use a Netronome OpenFlow extension which is only supported
 when using Open vSwitch 2.4 and later with OpenFlow 1.5 and later.
 
-.IP \fBfields\fR=\fIparam\fR
+.IP \fBfields\fR=\fIfield\fR
+.IQ \fBfields(\fIfield\fR[\fB=\fImask\fR]\fR...\fB)\fR
 The field parameters to selection method selected by the
 \fBselection_method\fR field.  The syntax is described in \fBFlow Syntax\fR
 with the additional restrictions that if a value is provided it is