X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fopenflow%2Fnicira-ext.h;h=df2488bd9200caa47d1095ba352230576e6230de;hb=1588bb8d91095366786aa92d53759b1cf48139d6;hp=e6f34baab1dd116d1a01b3c5f4465587629fbd81;hpb=9deba63bdebc2e0eceab8da186b79703fe694186;p=openvswitch

diff --git a/include/openflow/nicira-ext.h b/include/openflow/nicira-ext.h
index e6f34baa..df2488bd 100644
--- a/include/openflow/nicira-ext.h
+++ b/include/openflow/nicira-ext.h
@@ -118,18 +118,41 @@ enum nx_action_subtype {
      * Following the lookup, the original in_port is restored.
      *
      * If the modified flow matched in the flow table, then the corresponding
-     * actions are executed, except that NXAST_RESUBMIT actions found in the
-     * secondary set of actions are ignored.  Afterward, actions following
-     * NXAST_RESUBMIT in the original set of actions, if any, are executed; any
-     * changes made to the packet (e.g. changes to VLAN) by secondary actions
-     * persist when those actions are executed, although the original in_port
-     * is restored.
+     * actions are executed.  Afterward, actions following NXAST_RESUBMIT in
+     * the original set of actions, if any, are executed; any changes made to
+     * the packet (e.g. changes to VLAN) by secondary actions persist when
+     * those actions are executed, although the original in_port is restored.
      *
      * NXAST_RESUBMIT may be used any number of times within a set of actions.
+     *
+     * NXAST_RESUBMIT may nest to an implementation-defined depth.  Beyond this
+     * implementation-defined depth, further NXAST_RESUBMIT actions are simply
+     * ignored.  (Open vSwitch 1.0.1 and earlier did not support recursion.)
      */
     NXAST_RESUBMIT,
 
-    NXAST_SET_TUNNEL                /* Set encapsulating tunnel ID. */
+    /* Set encapsulating tunnel ID. */
+    NXAST_SET_TUNNEL,
+
+    /* Stops processing further actions, if the packet being processed is an
+     * Ethernet+IPv4 ARP packet for which the source Ethernet address inside
+     * the ARP packet differs from the source Ethernet address in the Ethernet
+     * header.
+     *
+     * This is useful because OpenFlow does not provide a way to match on the
+     * Ethernet addresses inside ARP packets, so there is no other way to drop
+     * spoofed ARPs other than sending every ARP packet to a controller. */
+    NXAST_DROP_SPOOFED_ARP,
+
+    /* Set the queue that should be used when packets are output.  This
+     * is similar to the OpenFlow OFPAT_ENQUEUE action, but does not
+     * take the output port as an argument.  This allows the queue
+     * to be defined before the port is known. */
+    NXAST_SET_QUEUE,
+
+    /* Restore the queue to the value it was before any NXAST_SET_QUEUE
+     * actions were used. */
+    NXAST_POP_QUEUE
 };
 
 /* Action structure for NXAST_RESUBMIT. */
@@ -154,6 +177,17 @@ struct nx_action_set_tunnel {
 };
 OFP_ASSERT(sizeof(struct nx_action_set_tunnel) == 16);
 
+/* Action structure for NXAST_SET_QUEUE. */
+struct nx_action_set_queue {
+    uint16_t type;                  /* OFPAT_VENDOR. */
+    uint16_t len;                   /* Length is 16. */
+    uint32_t vendor;                /* NX_VENDOR_ID. */
+    uint16_t subtype;               /* NXAST_SET_QUEUE. */
+    uint8_t pad[2];
+    uint32_t queue_id;              /* Where to enqueue packets. */
+};
+OFP_ASSERT(sizeof(struct nx_action_set_queue) == 16);
+
 /* Header for Nicira-defined actions. */
 struct nx_action_header {
     uint16_t type;                  /* OFPAT_VENDOR. */