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/*
* Copyright 2014-2015 Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onosproject.net.flow.criteria;
/**
* Representation of a single header field selection.
*/
public interface Criterion {
/**
* Types of fields to which the selection criterion may apply.
*/
// From page 75 of OpenFlow 1.5.0 spec
enum Type {
/** Switch input port. */
IN_PORT,
/** Switch physical input port. */
IN_PHY_PORT,
/** Metadata passed between tables. */
METADATA,
/** Ethernet destination address. */
ETH_DST,
/** Ethernet source address. */
ETH_SRC,
/** Ethernet frame type. */
ETH_TYPE,
/** VLAN id. */
VLAN_VID,
/** VLAN priority. */
VLAN_PCP,
/** IP DSCP (6 bits in ToS field). */
IP_DSCP,
/** IP ECN (2 bits in ToS field). */
IP_ECN,
/** IP protocol. */
IP_PROTO,
/** IPv4 source address. */
IPV4_SRC,
/** IPv4 destination address. */
IPV4_DST,
/** TCP source port. */
TCP_SRC,
/** TCP destination port. */
TCP_DST,
/** UDP source port. */
UDP_SRC,
/** UDP destination port. */
UDP_DST,
/** SCTP source port. */
SCTP_SRC,
/** SCTP destination port. */
SCTP_DST,
/** ICMP type. */
ICMPV4_TYPE,
/** ICMP code. */
ICMPV4_CODE,
/** ARP opcode. */
ARP_OP,
/** ARP source IPv4 address. */
ARP_SPA,
/** ARP target IPv4 address. */
ARP_TPA,
/** ARP source hardware address. */
ARP_SHA,
/** ARP target hardware address. */
ARP_THA,
/** IPv6 source address. */
IPV6_SRC,
/** IPv6 destination address. */
IPV6_DST,
/** IPv6 Flow Label. */
IPV6_FLABEL,
/** ICMPv6 type. */
ICMPV6_TYPE,
/** ICMPv6 code. */
ICMPV6_CODE,
/** Target address for ND. */
IPV6_ND_TARGET,
/** Source link-layer for ND. */
IPV6_ND_SLL,
/** Target link-layer for ND. */
IPV6_ND_TLL,
/** MPLS label. */
MPLS_LABEL,
/** MPLS TC. */
MPLS_TC,
/** MPLS BoS bit. */
MPLS_BOS,
/** PBB I-SID. */
PBB_ISID,
/** Logical Port Metadata. */
TUNNEL_ID,
/** IPv6 Extension Header pseudo-field. */
IPV6_EXTHDR,
/** Unassigned value: 40. */
UNASSIGNED_40,
/** PBB UCA header field. */
PBB_UCA,
/** TCP flags. */
TCP_FLAGS,
/** Output port from action set metadata. */
ACTSET_OUTPUT,
/** Packet type value. */
PACKET_TYPE,
//
// NOTE: Everything below is defined elsewhere: ONOS-specific,
// extensions, etc.
//
/** Optical channel signal ID (lambda). */
OCH_SIGID,
/** Optical channel signal type (fixed or flexible). */
OCH_SIGTYPE,
/** ODU (Optical channel Data Unit) signal ID. */
ODU_SIGID,
/** ODU (Optical channel Data Unit) signal type. */
ODU_SIGTYPE,
/**
* An empty criterion.
*/
DUMMY
}
/**
* Returns the type of criterion.
*
* @return type of criterion
*/
Type type();
/**
* Bit definitions for IPv6 Extension Header pseudo-field.
* From page 79 of OpenFlow 1.5.0 spec.
*/
enum IPv6ExthdrFlags {
/** "No next header" encountered. */
NONEXT((short) (1 << 0)),
/** Encrypted Sec Payload header present. */
ESP((short) (1 << 1)),
/** Authentication header present. */
AUTH((short) (1 << 2)),
/** 1 or 2 dest headers present. */
DEST((short) (1 << 3)),
/** Fragment header present. */
FRAG((short) (1 << 4)),
/** Router header present. */
ROUTER((short) (1 << 5)),
/** Hop-by-hop header present. */
HOP((short) (1 << 6)),
/** Unexpected repeats encountered. */
UNREP((short) (1 << 7)),
/** Unexpected sequencing encountered. */
UNSEQ((short) (1 << 8));
private short value;
IPv6ExthdrFlags(short value) {
this.value = value;
}
/**
* Gets the value as an integer.
*
* @return the value as an integer
*/
public short getValue() {
return this.value;
}
}
}
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