ovn: Connect to remote lports through localnet port.

[cascardo/ovs.git] / ovn / ovn-sb.xml

diff --git a/ovn/ovn-sb.xml b/ovn/ovn-sb.xml
index 1d9104e..a49a63e 100644 (file)
--- a/ovn/ovn-sb.xml
+++ b/ovn/ovn-sb.xml
@@ -782,7 +782,11 @@
           <p>
             Output to the input port is implicitly dropped, that is,
             <code>output</code> becomes a no-op if <code>outport</code> ==
-            <code>inport</code>.
+            <code>inport</code>.  Occasionally it may be useful to override
+            this behavior, e.g. to send an ARP reply to an ARP request; to do
+            so, use <code>inport = "";</code> to set the logical input port to
+            an empty string (which should not be used as the name of any
+            logical port).
           </p>
         </dd>
 
@@ -866,7 +870,8 @@
             Decrements the IPv4 or IPv6 TTL.  If this would make the TTL zero
             or negative, then processing of the packet halts; no further
             actions are processed.  (To properly handle such cases, a
-            higher-priority flow should match on <code>ip.ttl &lt; 2</code>.)
+            higher-priority flow should match on
+            <code>ip.ttl == {0, 1};</code>.)
           </p>
 
           <p><b>Prerequisite:</b> <code>ip</code></p>
@@ -1212,9 +1217,8 @@ tcp.flags = RST;
           <dd>
             A connection to a locally accessible network from each
             <code>ovn-controller</code> instance.  A logical switch can only
-            have a single <code>localnet</code> port attached and at most one
-            regular logical port.  This is used to model direct connectivity to
-            an existing network.
+            have a single <code>localnet</code> port attached.  This is used
+            to model direct connectivity to an existing network.
           </dd>
 
           <dt><code>vtep</code></dt>
@@ -1295,6 +1299,23 @@ tcp.flags = RST;
       </column>
     </group>
 
+    <group title="VMI (or VIF) Options">
+      <p>
+        These options apply to logical ports with <ref column="type"/> having
+        (empty string)
+      </p>
+
+      <column name="options" key="policing_rate">
+        If set, indicates the maximum rate for data sent from this interface,
+        in kbps. Data exceeding this rate is dropped.
+      </column>
+
+      <column name="options" key="policing_burst">
+        If set, indicates the maximum burst size for data sent from this
+        interface, in kb.
+      </column>
+    </group>
+
     <group title="Nested Containers">
       <p>
         These columns support containers nested within a VM.  Specifically,