Lists the names of the running ofproto instances. These are the names
that may be used on \fBofproto/trace\fR.
.
-.IP "\fBofproto/trace \fIswitch priority tun_id in_port packet\fR"
+.IP "\fBofproto/trace \fIswitch priority tun_id in_port mark packet\fR"
.IQ "\fBofproto/trace \fIswitch flow \fB\-generate\fR"
Traces the path of an imaginary packet through \fIswitch\fR. Both
forms require \fIswitch\fR, the switch on which the packet arrived
.IP "\fIin_port\fR"
The OpenFlow port on which the packet arrived. Use \fB65534\fR if the
packet arrived on \fBOFPP_LOCAL\fR, the local port.
+.IP "\fImark\fR"
+SKB mark of the packet. Use \fB0\fR if Netfilter marks are not used.
.IP "\fIpacket\fR"
A sequence of hex digits specifying the packet's contents. An
Ethernet frame is at least 14 bytes long, so there must be at least 28