2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.openflowplugin.api;
10 import java.math.BigInteger;
13 * OFP related constants
15 public final class OFConstants {
17 private OFConstants() {
18 throw new UnsupportedOperationException("OF plugin Constants holder class");
21 /** enum ofp_port_no, reserved port: process with normal L2/L3 switching */
22 public static final short OFPP_NORMAL = ((short)0xfffa);
23 /** enum ofp_port_no, reserved port: all physical ports except input port */
24 public static final short OFPP_ALL = ((short)0xfffc);
25 /** enum ofp_port_no, reserved port: local openflow port */
26 public static final short OFPP_LOCAL = ((short)0xfffe);
29 /** openflow protocol 1.0 - version identifier */
30 public static final short OFP_VERSION_1_0 = 0x01;
31 /** openflow protocol 1.3 - version identifier */
32 public static final short OFP_VERSION_1_3 = 0x04;
34 public final static String OF_URI_PREFIX = "openflow:";
36 /** enum ofp_table: Table numbering, wildcard table used for table config, flow stats and flow deletes. */
37 public static final Short OFPTT_ALL = 0xff;
38 public static final Long ANY = 0xffffffffL;
39 /** Wildcard port used only for flow mod (delete) and flow stats requests. Selects
40 * all flows regardless of output port (including flows with no output port).*/
41 public static final Long OFPP_ANY = ANY;
42 /** enum ofp_group: For OFPFC_DELETE* commands, require matching entries to include this as an
43 * output group. A value of OFPG_ANY indicates no restriction. */
44 public static final Long OFPG_ANY = ANY;
45 /** enum ofp_group: Represents all groups for group delete commands. */
46 public static final Long OFPG_ALL = 0xfffffffcL;
47 /** Refers to all queues configured at the specified port. */
48 public static final Long OFPQ_ALL = ANY;
49 public static final BigInteger DEFAULT_COOKIE = BigInteger.ZERO;
50 public static final BigInteger DEFAULT_COOKIE_MASK = BigInteger.ZERO;
51 /** indicates that no buffering should be applied and the whole packet is to be
52 * sent to the controller. */
53 public static final Long OFP_NO_BUFFER = 0xffffffffL;
54 /** enum ofp_controller_max_len: indicates that no buffering should be applied and the whole packet is to be
55 * sent to the controller. */
56 public static final Integer OFPCML_NO_BUFFER = 0xffff;
59 public static final int MAC_ADDRESS_LENGTH = 6;
60 public static final int SIZE_OF_LONG_IN_BYTES = 8;
61 public static final int SIGNUM_UNSIGNED = 1;
63 /** RpcError application tag */
64 public static final String APPLICATION_TAG = "OPENFLOW_PLUGIN";
65 /** RpcError tag - timeout */
66 public static final String ERROR_TAG_TIMEOUT = "TIMOUT";