ovs-ofctl: Improve description of mod_nw_tos action.

[sliver-openvswitch.git] / utilities / ovs-ofctl.8.in

diff --git a/utilities/ovs-ofctl.8.in b/utilities/ovs-ofctl.8.in
index 40869c4..3cc618d 100644 (file)
--- a/utilities/ovs-ofctl.8.in
+++ b/utilities/ovs-ofctl.8.in
@@ -962,9 +962,9 @@ Sets the TCP or UDP source port to \fIport\fR.
 Sets the TCP or UDP destination port to \fIport\fR.
 .
 .IP \fBmod_nw_tos\fB:\fItos\fR
-Sets the IPv4 ToS/DSCP field to \fItos\fR.  Valid values are between 0 and
-255, inclusive.  Note that the two lower reserved bits are never
-modified.
+Sets the IPv4 ToS/DSCP field to \fItos\fR, which must be a multiple of
+4 between 0 and 255.  This action does not modify the two least
+significant bits of the ToS field (the ECN bits).
 .RE
 .IP
 The following actions are Nicira vendor extensions that, as of this writing, are
@@ -1018,6 +1018,10 @@ 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 \fBset_mpls_ttl\fR:\fIttl\fR
+Set the TTL of the outer MPLS label stack entry of a packet.
+\fIttl\fR should be in the range 0 to 255 inclusive.
+.
 .IP \fBdec_mpls_ttl\fR
 Decrement TTL of the outer MPLS label stack entry of a packet.  If the TTL
 is initially zero, no decrement occurs.  Instead, a ``packet-in'' message
@@ -1059,6 +1063,23 @@ in field \fIdst\fR.
 Example: \fBload:55\->NXM_NX_REG2[0..5]\fR loads value 55 (bit pattern
 \fB110111\fR) into bits 0 through 5, inclusive, in register 2.
 .
+.IP "\fBpush:\fIsrc\fB[\fIstart\fB..\fIend\fB]"
+Pushes \fIstart\fR to \fIend\fR bits inclusive, in fields
+on top of the stack.
+.IP
+Example: \fBpush:NXM_NX_REG2[0..5]\fR push the value stored in register
+2 bits 0 through 5, inclusive, on to the internal stack.
+.
+.IP "\fBpop:\fIdst\fB[\fIstart\fB..\fIend\fB]"
+Pops from the top of the stack, retrieves the \fIstart\fR to \fIend\fR bits
+inclusive, from the value popped and store them into the corresponding
+bits in \fIdst\fR.
+.
+.IP
+Example: \fBpop:NXM_NX_REG2[0..5]\fR pops the value from top of the stack.
+Set register 2 bits 0 through 5, inclusive, based on bits 0 through 5 from the
+value just popped.
+.
 .IP "\fBset_field:\fIvalue\fB\->\fIdst"
 Writes the literal \fIvalue\fR into the field \fIdst\fR, which should
 be specified as a name used for matching.  (This is similar to