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229 lines
6.7 KiB
Text
229 lines
6.7 KiB
Text
##! Constants used by the OpenFlow framework.
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# All types/constants not specific to OpenFlow will be defined here
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# until they somehow get into Bro.
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module OpenFlow;
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# Some cookie specific constants.
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# first 24 bits
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const COOKIE_BID_SIZE = 16777216;
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# start at bit 40 (1 << 40)
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const COOKIE_BID_START = 1099511627776;
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# bro specific cookie ID shall have the 42 bit set (1 << 42)
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const BRO_COOKIE_ID = 4;
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# 8 bits group identifier
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const COOKIE_GID_SIZE = 256;
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# start at bit 32 (1 << 32)
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const COOKIE_GID_START = 4294967296;
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# 32 bits unique identifier
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const COOKIE_UID_SIZE = 4294967296;
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# start at bit 0 (1 << 0)
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const COOKIE_UID_START = 0;
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export {
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# All ethertypes can be found at
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# http://standards.ieee.org/develop/regauth/ethertype/eth.txt
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# but are not interesting for us at this point
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#type ethertype: enum {
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# Internet protocol version 4
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const ETH_IPv4 = 0x0800;
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# Address resolution protocol
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const ETH_ARP = 0x0806;
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# Wake on LAN
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const ETH_WOL = 0x0842;
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# Reverse address resolution protocol
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const ETH_RARP = 0x8035;
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# Appletalk
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const ETH_APPLETALK = 0x809B;
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# Appletalk address resolution protocol
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const ETH_APPLETALK_ARP = 0x80F3;
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# IEEE 802.1q & IEEE 802.1aq
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const ETH_VLAN = 0x8100;
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# Novell IPX old
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const ETH_IPX_OLD = 0x8137;
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# Novell IPX
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const ETH_IPX = 0x8138;
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# Internet protocol version 6
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const ETH_IPv6 = 0x86DD;
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# IEEE 802.3x
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const ETH_ETHER_FLOW_CONTROL = 0x8808;
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# Multiprotocol Label Switching unicast
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const ETH_MPLS_UNICAST = 0x8847;
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# Multiprotocol Label Switching multicast
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const ETH_MPLS_MULTICAST = 0x8848;
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# Point-to-point protocol over Ethernet discovery phase (rfc2516)
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const ETH_PPPOE_DISCOVERY = 0x8863;
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# Point-to-point protocol over Ethernet session phase (rfc2516)
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const ETH_PPPOE_SESSION = 0x8864;
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# Jumbo frames
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const ETH_JUMBO_FRAMES = 0x8870;
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# IEEE 802.1X
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const ETH_EAP_OVER_LAN = 0x888E;
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# IEEE 802.1ad & IEEE 802.1aq
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const ETH_PROVIDER_BRIDING = 0x88A8;
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# IEEE 802.1ae
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const ETH_MAC_SECURITY = 0x88E5;
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# IEEE 802.1ad (QinQ)
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const ETH_QINQ = 0x9100;
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#};
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# A list of ip protocol numbers can be found at
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# http://en.wikipedia.org/wiki/List_of_IP_protocol_numbers
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#type iptype: enum {
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# IPv6 Hop-by-Hop Option (RFC2460)
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const IP_HOPOPT = 0x00;
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# Internet Control Message Protocol (RFC792)
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const IP_ICMP = 0x01;
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# Internet Group Management Protocol (RFC1112)
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const IP_IGMP = 0x02;
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# Gateway-to-Gateway Protocol (RFC823)
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const IP_GGP = 0x03;
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# IP-Within-IP (encapsulation) (RFC2003)
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const IP_IPIP = 0x04;
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# Internet Stream Protocol (RFC1190;RFC1819)
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const IP_ST = 0x05;
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# Tansmission Control Protocol (RFC793)
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const IP_TCP = 0x06;
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# Core-based trees (RFC2189)
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const IP_CBT = 0x07;
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# Exterior Gateway Protocol (RFC888)
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const IP_EGP = 0x08;
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# Interior Gateway Protocol (any private interior
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# gateway (used by Cisco for their IGRP))
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const IP_IGP = 0x09;
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# User Datagram Protocol (RFC768)
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const IP_UDP = 0x11;
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# Reliable Datagram Protocol (RFC908)
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const IP_RDP = 0x1B;
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# IPv6 Encapsulation (RFC2473)
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const IP_IPv6 = 0x29;
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# Resource Reservation Protocol (RFC2205)
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const IP_RSVP = 0x2E;
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# Generic Routing Encapsulation (RFC2784;RFC2890)
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const IP_GRE = 0x2F;
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# Open Shortest Path First (RFC1583)
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const IP_OSPF = 0x59;
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# Multicast Transport Protocol
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const IP_MTP = 0x5C;
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# IP-within-IP Encapsulation Protocol (RFC2003)
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### error 0x5E;
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# Ethernet-within-IP Encapsulation Protocol (RFC3378)
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const IP_ETHERIP = 0x61;
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# Layer Two Tunneling Protocol Version 3 (RFC3931)
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const IP_L2TP = 0x73;
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# Intermediate System to Intermediate System (IS-IS) Protocol over IPv4 (RFC1142;RFC1195)
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const IP_ISIS = 0x7C;
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# Fibre Channel
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const IP_FC = 0x85;
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# Multiprotocol Label Switching Encapsulated in IP (RFC4023)
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const IP_MPLS = 0x89;
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#};
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## Return value for a cookie from a flow
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## which is not added, modified or deleted
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## from the bro openflow framework.
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const INVALID_COOKIE = 0xffffffffffffffff;
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# Openflow physical port definitions
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## Send the packet out the input port. This
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## virual port must be explicitly used in
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## order to send back out of the input port.
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const OFPP_IN_PORT = 0xfffffff8;
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## Perform actions in flow table.
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## NB: This can only be the destination port
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## for packet-out messages.
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const OFPP_TABLE = 0xfffffff9;
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## Process with normal L2/L3 switching.
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const OFPP_NORMAL = 0xfffffffa;
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## All physical ports except input port and
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## those disabled by STP.
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const OFPP_FLOOD = 0xfffffffb;
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## All physical ports except input port.
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const OFPP_ALL = 0xfffffffc;
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## Send to controller.
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const OFPP_CONTROLLER = 0xfffffffd;
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## Local openflow "port".
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const OFPP_LOCAL = 0xfffffffe;
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## Wildcard port used only for flow mod (delete) and flow stats requests.
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const OFPP_ANY = 0xffffffff;
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# Openflow no buffer constant.
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const OFP_NO_BUFFER = 0xffffffff;
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## Send flow removed message when flow
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## expires or is deleted.
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const OFPFF_SEND_FLOW_REM = 0x1;
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## Check for overlapping entries first.
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const OFPFF_CHECK_OVERLAP = 0x2;
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## Remark this is for emergency.
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## Flows added with this are only used
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## when the controller is disconnected.
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const OFPFF_EMERG = 0x4;
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# Wildcard table used for table config,
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# flow stats and flow deletes.
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const OFPTT_ALL = 0xff;
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## Openflow action_type definitions.
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##
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## The openflow action type defines
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## what actions openflow can take
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## to modify a packet
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type ofp_action_type: enum {
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## Output to switch port.
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OFPAT_OUTPUT = 0x0000,
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## Set the 802.1q VLAN id.
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OFPAT_SET_VLAN_VID = 0x0001,
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## Set the 802.1q priority.
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OFPAT_SET_VLAN_PCP = 0x0002,
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## Strip the 802.1q header.
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OFPAT_STRIP_VLAN = 0x0003,
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## Ethernet source address.
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OFPAT_SET_DL_SRC = 0x0004,
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## Ethernet destination address.
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OFPAT_SET_DL_DST = 0x0005,
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## IP source address.
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OFPAT_SET_NW_SRC = 0x0006,
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## IP destination address.
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OFPAT_SET_NW_DST = 0x0007,
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## IP ToS (DSCP field, 6 bits).
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OFPAT_SET_NW_TOS = 0x0008,
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## TCP/UDP source port.
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OFPAT_SET_TP_SRC = 0x0009,
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## TCP/UDP destination port.
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OFPAT_SET_TP_DST = 0x000a,
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## Output to queue.
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OFPAT_ENQUEUE = 0x000b,
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## Vendor specific.
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OFPAT_VENDOR = 0xffff,
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};
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## Openflow flow_mod_command definitions.
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##
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## The openflow flow_mod_command describes
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## of what kind an action is.
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type ofp_flow_mod_command: enum {
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## New flow.
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OFPFC_ADD = 0x0,
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## Modify all matching flows.
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OFPFC_MODIFY = 0x1,
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## Modify entry strictly matching wildcards.
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OFPFC_MODIFY_STRICT = 0x2,
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## Delete all matching flows.
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OFPFC_DELETE = 0x3,
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## Strictly matching wildcards and priority.
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OFPFC_DELETE_STRICT = 0x4,
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};
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## Openflow config flag definitions.
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##
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## TODO: describe
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type ofp_config_flags: enum {
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## No special handling for fragments.
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OFPC_FRAG_NORMAL = 0,
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## Drop fragments.
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OFPC_FRAG_DROP = 1,
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## Reassemble (only if OFPC_IP_REASM set).
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OFPC_FRAG_REASM = 2,
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OFPC_FRAG_MASK = 3,
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};
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}
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