corresponding bit in \fItunnel-id\fR must match exactly, and a 0-bit
wildcards that bit.
.
+.IP \fBtun_src=\fIip\fR[\fB/\fInetmask\fR]
+.IQ \fBtun_dst=\fIip\fR[\fB/\fInetmask\fR]
+Matches tunnel IPv4 source (or destination) address \fIip\fR. Only packets
+that arrive over a tunnel will have nonzero tunnel addresses.
+The address may be specified as an IP address or host name
+(e.g. \fB192.168.1.1\fR or \fBwww.example.com\fR). The optional
+\fInetmask\fR allows restricting a match to a masked IPv4 address.
+The netmask may be specified as a dotted quad
+(e.g. \fB192.168.1.0/255.255.255.0\fR) or as a CIDR block
+(e.g. \fB192.168.1.0/24\fR).
+.
.IP "\fBreg\fIidx\fB=\fIvalue\fR[\fB/\fImask\fR]"
Matches \fIvalue\fR either exactly or with optional \fImask\fR in
register number \fIidx\fR. The valid range of \fIidx\fR depends on
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
``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
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
.RE
.IP
This action was added in Open vSwitch 1.5.90.
+.
+.IP "\fBsample(\fIargument\fR[\fB,\fIargument\fR]...\fB)\fR"
+Samples packets and sends one sample for every sampled packet.
+.IP
+\fIargument\fR takes the following forms:
+.RS
+.IP "\fBprobability=\fIpackets\fR"
+The number of sampled packets out of 65535. Must be greater or equal to 1.
+.IP "\fBcollector_set_id=\fIid\fR"
+The unsigned 32-bit integer identifier of the set of sample collectors
+to send sampled packets to. Defaults to 0.
+.IP "\fBobs_domain_id=\fIid\fR"
+When sending samples to IPFIX collectors, the unsigned 32-bit integer
+Observation Domain ID sent in every IPFIX flow record. Defaults to 0.
+.IP "\fBobs_point_id=\fIid\fR"
+When sending samples to IPFIX collectors, the unsigned 32-bit integer
+Observation Point ID sent in every IPFIX flow record. Defaults to 0.
+.RE
+.IP
+Refer to \fBovs\-vswitchd.conf.db\fR(8) for more details on
+configuring sample collector sets.
+.IP
+This action was added in Open vSwitch 1.10.90.
+.
.IP "\fBexit\fR"
This action causes Open vSwitch to immediately halt execution of further
actions. Those actions which have already been executed are unaffected. Any
.BR ovs\-appctl (8),
.BR ovs\-controller (8),
.BR ovs\-vswitchd (8)
+.BR ovs\-vswitchd.conf.db (8)