Experimental protobuf rendition of OF1.3
This version happily compiles, but more work is needed:
- add methods
- simplify some of the structured (systematically). For
instance, many lenth fields are unnecessary in protobuf.
- Clean file (comments, alignments)
Change-Id: I7e377e874391845b43136a2fcf06380fdc6a4322
diff --git a/experiments/openflow_13.proto b/experiments/openflow_13.proto
new file mode 100644
index 0000000..b6e701f
--- /dev/null
+++ b/experiments/openflow_13.proto
@@ -0,0 +1,2217 @@
+/* Copyright (c) 2008 The Board of Trustees of The Leland Stanford
+ * Junior University
+ * Copyright (c) 2011, 2012 Open Networking Foundation
+ *
+ * We are making the OpenFlow specification and associated documentation
+ * (Software) available for public use and benefit with the expectation
+ * that others will use, modify and enhance the Software and contribute
+ * those enhancements back to the community. However, since we would
+ * like to make the Software available for broadest use, with as few
+ * restrictions as possible permission is hereby granted, free of
+ * charge, to any person obtaining a copy of this Software to deal in
+ * the Software under the copyrights without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * The name and trademarks of copyright holder(s) may NOT be used in
+ * advertising or publicity pertaining to the Software or any
+ * derivatives without specific, written prior permission.
+ */
+
+/* OpenFlow: protocol between controller and datapath. */
+
+/*
+ * - all pad fields dropped
+ * - for each enum value above 0x7fffffff the MSB is dropped. For example,
+ * 0xffffffff is now 0x7fffffff.
+ * - '<type> thing[...]' is replaced with 'repeated <type> thing'
+ * - 'char thing[...]' is replaced with 'string thing'
+ * - 'uint8_t data[...]' is replaced with 'bytes data'
+ * - the following systematic changes are done to various integer types:
+ * uint8_t -> uint32
+ * uint16_t -> uint32
+ * uint32_t -> uint32
+ * uint64_t -> uint64
+ *
+ */
+syntax = "proto3";
+
+package openflow.v13;
+
+
+/* Version number:
+ * OpenFlow versions released: 0x01 = 1.0 ; 0x02 = 1.1 ; 0x03 = 1.2
+ * 0x04 = 1.3
+ */
+/* The most significant bit in the version field is reserved and must
+ * be set to zero.
+ */
+//#define OFP_VERSION 0x04
+//#define PIPELINE_TABLES 64
+//#define OFP_MAX_TABLE_NAME_LEN 32
+//#define OFP_MAX_PORT_NAME_LEN 16
+/* Official IANA registered port for OpenFlow. */
+//#define OFP_TCP_PORT 6653
+//#define OFP_SSL_PORT 6653
+
+//#define OFP_ETH_ALEN 6 /* Bytes in an Ethernet address. */
+
+/* Port numbering. Ports are numbered starting from 1. */
+enum ofp_port_no {
+ OFPP_INVALID = 0;
+
+ /* Maximum number of physical and logical switch ports. */
+ OFPP_MAX = 0x7fffff00;
+
+ /* Reserved OpenFlow Port (fake output "ports"). */
+ OFPP_IN_PORT = 0x7ffffff8; /* Send the packet out the input port. This
+ reserved port must be explicitly used
+ in order to send back out of the input
+ port. */
+ OFPP_TABLE = 0x7ffffff9; /* Submit the packet to the first flow table
+ NB: This destination port can only be
+ used in packet-out messages. */
+ OFPP_NORMAL = 0x7ffffffa; /* Forward using non-OpenFlow pipeline. */
+ OFPP_FLOOD = 0x7ffffffb; /* Flood using non-OpenFlow pipeline. */
+ OFPP_ALL = 0x7ffffffc; /* All standard ports except input port. */
+ OFPP_CONTROLLER = 0x7ffffffd; /* Send to controller. */
+ OFPP_LOCAL = 0x7ffffffe; /* Local openflow "port". */
+ OFPP_ANY = 0x7fffffff; /* Special value used in some requests when
+ no port is specified (i.e. wildcarded). */
+};
+
+enum ofp_type {
+ /* Immutable messages. */
+ OFPT_HELLO = 0; /* Symmetric message */
+ OFPT_ERROR = 1; /* Symmetric message */
+ OFPT_ECHO_REQUEST = 2; /* Symmetric message */
+ OFPT_ECHO_REPLY = 3; /* Symmetric message */
+ OFPT_EXPERIMENTER = 4; /* Symmetric message */
+
+ /* Switch configuration messages. */
+ OFPT_FEATURES_REQUEST = 5; /* Controller/switch message */
+ OFPT_FEATURES_REPLY = 6; /* Controller/switch message */
+ OFPT_GET_CONFIG_REQUEST = 7; /* Controller/switch message */
+ OFPT_GET_CONFIG_REPLY = 8; /* Controller/switch message */
+ OFPT_SET_CONFIG = 9; /* Controller/switch message */
+
+ /* Asynchronous messages. */
+ OFPT_PACKET_IN = 10; /* Async message */
+ OFPT_FLOW_REMOVED = 11; /* Async message */
+ OFPT_PORT_STATUS = 12; /* Async message */
+
+ /* Controller command messages. */
+ OFPT_PACKET_OUT = 13; /* Controller/switch message */
+ OFPT_FLOW_MOD = 14; /* Controller/switch message */
+ OFPT_GROUP_MOD = 15; /* Controller/switch message */
+ OFPT_PORT_MOD = 16; /* Controller/switch message */
+ OFPT_TABLE_MOD = 17; /* Controller/switch message */
+
+ /* Multipart messages. */
+ OFPT_MULTIPART_REQUEST = 18; /* Controller/switch message */
+ OFPT_MULTIPART_REPLY = 19; /* Controller/switch message */
+
+ /* Barrier messages. */
+ OFPT_BARRIER_REQUEST = 20; /* Controller/switch message */
+ OFPT_BARRIER_REPLY = 21; /* Controller/switch message */
+
+ /* Queue Configuration messages. */
+ OFPT_QUEUE_GET_CONFIG_REQUEST = 22; /* Controller/switch message */
+ OFPT_QUEUE_GET_CONFIG_REPLY = 23; /* Controller/switch message */
+
+ /* Controller role change request messages. */
+ OFPT_ROLE_REQUEST = 24; /* Controller/switch message */
+ OFPT_ROLE_REPLY = 25; /* Controller/switch message */
+
+ /* Asynchronous message configuration. */
+ OFPT_GET_ASYNC_REQUEST = 26; /* Controller/switch message */
+ OFPT_GET_ASYNC_REPLY = 27; /* Controller/switch message */
+ OFPT_SET_ASYNC = 28; /* Controller/switch message */
+
+ /* Meters and rate limiters configuration messages. */
+ OFPT_METER_MOD = 29; /* Controller/switch message */
+};
+
+/* Header on all OpenFlow packets. */
+message ofp_header {
+ uint32 version = 1; /* OFP_VERSION. */
+ uint32 type = 2; /* One of the OFPT_ constants. */
+ uint32 length = 3; /* Length including this ofp_header. */
+ uint32 xid = 4; /* Transaction id associated with this packet.
+ Replies use the same id as was in the request
+ to facilitate pairing. */
+};
+
+/* Hello elements types.
+ */
+enum ofp_hello_elem_type {
+ OFPHET_INVALID = 0;
+ OFPHET_VERSIONBITMAP = 1; /* Bitmap of version supported. */
+};
+
+/* Common header for all Hello Elements */
+message ofp_hello_elem_header {
+ uint32 type = 1; /* One of OFPHET_*. */
+ uint32 length = 2; /* Length in bytes of the element,
+ including this header, excluding padding. */
+};
+
+/* Version bitmap Hello Element */
+message ofp_hello_elem_versionbitmap {
+ uint32 type = 1; /* OFPHET_VERSIONBITMAP. */
+ uint32 length = 2; /* Length in bytes of this element,
+ including this header, excluding padding. */
+ /* Followed by:
+ * - Exactly (length - 4) bytes containing the bitmaps, then
+ * - Exactly (length + 7)/8*8 - (length) (between 0 and 7)
+ * bytes of all-zero bytes */
+ repeated uint32 bitmaps = 3; /* List of bitmaps - supported versions */
+};
+
+/* OFPT_HELLO. This message includes zero or more hello elements having
+ * variable size. Unknown elements types must be ignored/skipped, to allow
+ * for future extensions. */
+message ofp_hello {
+ ofp_header header = 1;
+
+ /* Hello element list */
+ repeated ofp_hello_elem_header elements = 2; /* List of elements - 0 or more */
+};
+
+//#define OFP_DEFAULT_MISS_SEND_LEN 128
+
+enum ofp_config_flags {
+ /* Handling of IP fragments. */
+ OFPC_FRAG_NORMAL = 0; /* No special handling for fragments. */
+ OFPC_FRAG_DROP = 1; /* Drop fragments. */
+ OFPC_FRAG_REASM = 2; /* Reassemble (only if OFPC_IP_REASM set). */
+ OFPC_FRAG_MASK = 3; /* Bitmask of flags dealing with frag. */
+};
+
+/* Switch configuration. */
+message ofp_switch_config {
+ ofp_header header = 1;
+ uint32 flags = 2; /* Bitmap of OFPC_* flags. */
+ uint32 miss_send_len = 3; /* Max bytes of packet that datapath
+ should send to the controller. See
+ ofp_controller_max_len for valid values.
+ */
+};
+
+/* Flags to configure the table. Reserved for future use. */
+enum ofp_table_config {
+ OFPTC_INVALID = 0;
+ OFPTC_DEPRECATED_MASK = 3; /* Deprecated bits */
+};
+
+/* Table numbering. Tables can use any number up to OFPT_MAX. */
+enum ofp_table {
+ OFPTT_INVALID = 0;
+ /* Last usable table number. */
+ OFPTT_MAX = 0xfe;
+
+ /* Fake tables. */
+ OFPTT_ALL = 0xff; /* Wildcard table used for table config,
+ flow stats and flow deletes. */
+};
+
+
+/* Configure/Modify behavior of a flow table */
+message ofp_table_mod {
+ ofp_header header = 1;
+ uint32 table_id = 2; /* ID of the table, OFPTT_ALL indicates all tables */
+ uint32 config = 3; /* Bitmap of OFPTC_* flags */
+};
+
+/* Capabilities supported by the datapath. */
+enum ofp_capabilities {
+ OFPC_INVALID = 0;
+ OFPC_FLOW_STATS = 1; /* Flow statistics. */
+ OFPC_TABLE_STATS = 2; /* Table statistics. */
+ OFPC_PORT_STATS = 4; /* Port statistics. */
+ OFPC_GROUP_STATS = 8; /* Group statistics. */
+ OFPC_IP_REASM = 32; /* Can reassemble IP fragments. */
+ OFPC_QUEUE_STATS = 64; /* Queue statistics. */
+ OFPC_PORT_BLOCKED = 256; /* Switch will block looping ports. */
+};
+
+/* Flags to indicate behavior of the physical port. These flags are
+ * used in ofp_port to describe the current configuration. They are
+ * used in the ofp_port_mod message to configure the port's behavior.
+ */
+enum ofp_port_config {
+ OFPPC_INVALID = 0;
+ OFPPC_PORT_DOWN = 1; /* Port is administratively down. */
+
+ OFPPC_NO_RECV = 4; /* Drop all packets received by port. */
+ OFPPC_NO_FWD = 32; /* Drop packets forwarded to port. */
+ OFPPC_NO_PACKET_IN = 64; /* Do not send packet-in msgs for port. */
+};
+
+/* Current state of the physical port. These are not configurable from
+ * the controller.
+ */
+enum ofp_port_state {
+ OFPPS_INVALID = 0;
+ OFPPS_LINK_DOWN = 1; /* No physical link present. */
+ OFPPS_BLOCKED = 2; /* Port is blocked */
+ OFPPS_LIVE = 4; /* Live for Fast Failover Group. */
+};
+
+/* Features of ports available in a datapath. */
+enum ofp_port_features {
+ OFPPF_INVALID = 0;
+ OFPPF_10MB_HD = 1; /* 10 Mb half-duplex rate support. */
+ OFPPF_10MB_FD = 2; /* 10 Mb full-duplex rate support. */
+ OFPPF_100MB_HD = 4; /* 100 Mb half-duplex rate support. */
+ OFPPF_100MB_FD = 8; /* 100 Mb full-duplex rate support. */
+ OFPPF_1GB_HD = 16; /* 1 Gb half-duplex rate support. */
+ OFPPF_1GB_FD = 32; /* 1 Gb full-duplex rate support. */
+ OFPPF_10GB_FD = 64; /* 10 Gb full-duplex rate support. */
+ OFPPF_40GB_FD = 128; /* 40 Gb full-duplex rate support. */
+ OFPPF_100GB_FD = 256; /* 100 Gb full-duplex rate support. */
+ OFPPF_1TB_FD = 512; /* 1 Tb full-duplex rate support. */
+ OFPPF_OTHER = 1024; /* Other rate, not in the list. */
+
+ OFPPF_COPPER = 2048; /* Copper medium. */
+ OFPPF_FIBER = 4096; /* Fiber medium. */
+ OFPPF_AUTONEG = 8192; /* Auto-negotiation. */
+ OFPPF_PAUSE = 16384; /* Pause. */
+ OFPPF_PAUSE_ASYM = 32768; /* Asymmetric pause. */
+};
+
+/* Description of a port */
+message ofp_port {
+ uint32 port_no = 1;
+ repeated uint32 hw_addr = 2; // [OFP_ETH_ALEN];
+ string name = 3; /* Null-terminated */
+
+ uint32 config = 4; /* Bitmap of OFPPC_* flags. */
+ uint32 state = 5; /* Bitmap of OFPPS_* flags. */
+
+ /* Bitmaps of OFPPF_* that describe features. All bits zeroed if
+ * unsupported or unavailable. */
+ uint32 curr = 6; /* Current features. */
+ uint32 advertised = 7; /* Features being advertised by the port. */
+ uint32 supported = 8; /* Features supported by the port. */
+ uint32 peer = 9; /* Features advertised by peer. */
+
+ uint32 curr_speed = 10; /* Current port bitrate in kbps. */
+ uint32 max_speed = 11; /* Max port bitrate in kbps */
+};
+
+/* Switch features. */
+message ofp_switch_features {
+ ofp_header header = 1;
+ uint64 datapath_id = 2; /* Datapath unique ID. The lower 48-bits are for
+ a MAC address, while the upper 16-bits are
+ implementer-defined. */
+
+ uint32 n_buffers = 3; /* Max packets buffered at once. */
+
+ uint32 n_tables = 4; /* Number of tables supported by datapath. */
+ uint32 auxiliary_id = 5; /* Identify auxiliary connections */
+
+ /* Features. */
+ uint32 capabilities = 6; /* Bitmap of support "ofp_capabilities". */
+};
+
+/* What changed about the physical port */
+enum ofp_port_reason {
+ OFPPR_ADD = 0; /* The port was added. */
+ OFPPR_DELETE = 1; /* The port was removed. */
+ OFPPR_MODIFY = 2; /* Some attribute of the port has changed. */
+};
+
+/* A physical port has changed in the datapath */
+message ofp_port_status {
+ ofp_header header = 1;
+ uint32 reason = 2; /* One of OFPPR_*. */
+ ofp_port desc = 3;
+};
+
+/* Modify behavior of the physical port */
+message ofp_port_mod {
+ ofp_header header = 1;
+ uint32 port_no = 2;
+ repeated uint32 hw_addr = 3; //[OFP_ETH_ALEN];
+ /* The hardware address is not
+ configurable. This is used to
+ sanity-check the request, so it must
+ be the same as returned in an
+ ofp_port struct. */
+ uint32 config = 4; /* Bitmap of OFPPC_* flags. */
+ uint32 mask = 5; /* Bitmap of OFPPC_* flags to be changed. */
+
+ uint32 advertise = 6; /* Bitmap of OFPPF_*. Zero all bits to prevent
+ any action taking place. */
+};
+
+/* ## -------------------------- ## */
+/* ## OpenFlow Extensible Match. ## */
+/* ## -------------------------- ## */
+
+/* The match type indicates the match structure (set of fields that compose the
+ * match) in use. The match type is placed in the type field at the beginning
+ * of all match structures. The "OpenFlow Extensible Match" type corresponds
+ * to OXM TLV format described below and must be supported by all OpenFlow
+ * switches. Extensions that define other match types may be published on the
+ * ONF wiki. Support for extensions is optional.
+ */
+enum ofp_match_type {
+ OFPMT_STANDARD = 0; /* Deprecated. */
+ OFPMT_OXM = 1; /* OpenFlow Extensible Match */
+};
+
+/* Fields to match against flows */
+message ofp_match {
+ uint32 type = 1; /* One of OFPMT_* */
+ uint32 length = 2; /* Length of ofp_match (excluding padding) */
+ /* Followed by:
+ * - Exactly (length - 4) (possibly 0) bytes containing OXM TLVs, then
+ * - Exactly ((length + 7)/8*8 - length) (between 0 and 7) bytes of
+ * all-zero bytes
+ * In summary, ofp_match is padded as needed, to make its overall size
+ * a multiple of 8, to preserve alignment in structures using it.
+ */
+ repeated uint32 oxm_fields = 3; /* 0 or more OXM match fields */
+};
+
+/* Components of a OXM TLV header.
+ * Those macros are not valid for the experimenter class, macros for the
+ * experimenter class will depend on the experimenter header used. */
+//#define OXM_HEADER__(CLASS, FIELD, HASMASK, LENGTH) \
+// (((CLASS) << 16) | ((FIELD) << 9) | ((HASMASK) << 8) | (LENGTH))
+//#define OXM_HEADER(CLASS, FIELD, LENGTH) \
+// OXM_HEADER__(CLASS, FIELD, 0, LENGTH)
+//#define OXM_HEADER_W(CLASS, FIELD, LENGTH) \
+// OXM_HEADER__(CLASS, FIELD, 1, (LENGTH) * 2)
+//#define OXM_CLASS(HEADER) ((HEADER) >> 16)
+//#define OXM_FIELD(HEADER) (((HEADER) >> 9) & 0x7f)
+//#define OXM_TYPE(HEADER) (((HEADER) >> 9) & 0x7fffff)
+//#define OXM_HASMASK(HEADER) (((HEADER) >> 8) & 1)
+//#define OXM_LENGTH(HEADER) ((HEADER) & 0xff)
+//
+//#define OXM_MAKE_WILD_HEADER(HEADER) \
+// OXM_HEADER_W(OXM_CLASS(HEADER), OXM_FIELD(HEADER), OXM_LENGTH(HEADER))
+
+/* OXM Class IDs.
+ * The high order bit differentiate reserved classes from member classes.
+ * Classes 0x0000 to 0x7FFF are member classes, allocated by ONF.
+ * Classes 0x8000 to 0xFFFE are reserved classes, reserved for standardisation.
+ */
+enum ofp_oxm_class {
+ OFPXMC_NXM_0 = 0x0000; /* Backward compatibility with NXM */
+ OFPXMC_NXM_1 = 0x0001; /* Backward compatibility with NXM */
+ OFPXMC_OPENFLOW_BASIC = 0x8000; /* Basic class for OpenFlow */
+ OFPXMC_EXPERIMENTER = 0xFFFF; /* Experimenter class */
+};
+
+/* OXM Flow match field types for OpenFlow basic class. */
+enum oxm_ofb_match_fields {
+ OFPXMT_OFB_IN_PORT = 0; /* Switch input port. */
+ OFPXMT_OFB_IN_PHY_PORT = 1; /* Switch physical input port. */
+ OFPXMT_OFB_METADATA = 2; /* Metadata passed between tables. */
+ OFPXMT_OFB_ETH_DST = 3; /* Ethernet destination address. */
+ OFPXMT_OFB_ETH_SRC = 4; /* Ethernet source address. */
+ OFPXMT_OFB_ETH_TYPE = 5; /* Ethernet frame type. */
+ OFPXMT_OFB_VLAN_VID = 6; /* VLAN id. */
+ OFPXMT_OFB_VLAN_PCP = 7; /* VLAN priority. */
+ OFPXMT_OFB_IP_DSCP = 8; /* IP DSCP (6 bits in ToS field). */
+ OFPXMT_OFB_IP_ECN = 9; /* IP ECN (2 bits in ToS field). */
+ OFPXMT_OFB_IP_PROTO = 10; /* IP protocol. */
+ OFPXMT_OFB_IPV4_SRC = 11; /* IPv4 source address. */
+ OFPXMT_OFB_IPV4_DST = 12; /* IPv4 destination address. */
+ OFPXMT_OFB_TCP_SRC = 13; /* TCP source port. */
+ OFPXMT_OFB_TCP_DST = 14; /* TCP destination port. */
+ OFPXMT_OFB_UDP_SRC = 15; /* UDP source port. */
+ OFPXMT_OFB_UDP_DST = 16; /* UDP destination port. */
+ OFPXMT_OFB_SCTP_SRC = 17; /* SCTP source port. */
+ OFPXMT_OFB_SCTP_DST = 18; /* SCTP destination port. */
+ OFPXMT_OFB_ICMPV4_TYPE = 19; /* ICMP type. */
+ OFPXMT_OFB_ICMPV4_CODE = 20; /* ICMP code. */
+ OFPXMT_OFB_ARP_OP = 21; /* ARP opcode. */
+ OFPXMT_OFB_ARP_SPA = 22; /* ARP source IPv4 address. */
+ OFPXMT_OFB_ARP_TPA = 23; /* ARP target IPv4 address. */
+ OFPXMT_OFB_ARP_SHA = 24; /* ARP source hardware address. */
+ OFPXMT_OFB_ARP_THA = 25; /* ARP target hardware address. */
+ OFPXMT_OFB_IPV6_SRC = 26; /* IPv6 source address. */
+ OFPXMT_OFB_IPV6_DST = 27; /* IPv6 destination address. */
+ OFPXMT_OFB_IPV6_FLABEL = 28; /* IPv6 Flow Label */
+ OFPXMT_OFB_ICMPV6_TYPE = 29; /* ICMPv6 type. */
+ OFPXMT_OFB_ICMPV6_CODE = 30; /* ICMPv6 code. */
+ OFPXMT_OFB_IPV6_ND_TARGET = 31; /* Target address for ND. */
+ OFPXMT_OFB_IPV6_ND_SLL = 32; /* Source link-layer for ND. */
+ OFPXMT_OFB_IPV6_ND_TLL = 33; /* Target link-layer for ND. */
+ OFPXMT_OFB_MPLS_LABEL = 34; /* MPLS label. */
+ OFPXMT_OFB_MPLS_TC = 35; /* MPLS TC. */
+ OFPXMT_OFB_MPLS_BOS = 36; /* MPLS BoS bit. */
+ OFPXMT_OFB_PBB_ISID = 37; /* PBB I-SID. */
+ OFPXMT_OFB_TUNNEL_ID = 38; /* Logical Port Metadata. */
+ OFPXMT_OFB_IPV6_EXTHDR = 39; /* IPv6 Extension Header pseudo-field */
+};
+
+//#define OFPXMT_OFB_ALL ((UINT64_C(1) << 40) - 1)
+
+/* OpenFlow port on which the packet was received.
+ * May be a physical port, a logical port, or the reserved port OFPP_LOCAL
+ *
+ * Prereqs: None.
+ *
+ * Format: 32-bit integer in network byte order.
+ *
+ * Masking: Not maskable. */
+//#define OXM_OF_IN_PORT OXM_HEADER (0x8000, OFPXMT_OFB_IN_PORT, 4)
+
+/* Physical port on which the packet was received.
+ *
+ * Consider a packet received on a tunnel interface defined over a link
+ * aggregation group (LAG) with two physical port members. If the tunnel
+ * interface is the logical port bound to OpenFlow. In this case,
+ * OFPXMT_OF_IN_PORT is the tunnel's port number and OFPXMT_OF_IN_PHY_PORT is
+ * the physical port number of the LAG on which the tunnel is configured.
+ *
+ * When a packet is received directly on a physical port and not processed by a
+ * logical port, OFPXMT_OF_IN_PORT and OFPXMT_OF_IN_PHY_PORT have the same
+ * value.
+ *
+ * This field is usually not available in a regular match and only available
+ * in ofp_packet_in messages when it's different from OXM_OF_IN_PORT.
+ *
+ * Prereqs: OXM_OF_IN_PORT must be present.
+ *
+ * Format: 32-bit integer in network byte order.
+ *
+ * Masking: Not maskable. */
+//#define OXM_OF_IN_PHY_PORT OXM_HEADER (0x8000, OFPXMT_OFB_IN_PHY_PORT, 4)
+
+/* Table metadata.
+ *
+ * Prereqs: None.
+ *
+ * Format: 64-bit integer in network byte order.
+ *
+ * Masking: Arbitrary masks.
+ */
+//#define OXM_OF_METADATA OXM_HEADER (0x8000, OFPXMT_OFB_METADATA, 8)
+//#define OXM_OF_METADATA_W OXM_HEADER_W(0x8000, OFPXMT_OFB_METADATA, 8)
+
+/* Source or destination address in Ethernet header.
+ *
+ * Prereqs: None.
+ *
+ * Format: 48-bit Ethernet MAC address.
+ *
+ * Masking: Arbitrary masks. */
+//#define OXM_OF_ETH_DST OXM_HEADER (0x8000, OFPXMT_OFB_ETH_DST, 6)
+//#define OXM_OF_ETH_DST_W OXM_HEADER_W(0x8000, OFPXMT_OFB_ETH_DST, 6)
+//#define OXM_OF_ETH_SRC OXM_HEADER (0x8000, OFPXMT_OFB_ETH_SRC, 6)
+//#define OXM_OF_ETH_SRC_W OXM_HEADER_W(0x8000, OFPXMT_OFB_ETH_SRC, 6)
+
+/* Packet's Ethernet type.
+ *
+ * Prereqs: None.
+ *
+ * Format: 16-bit integer in network byte order.
+ *
+ * Masking: Not maskable. */
+//#define OXM_OF_ETH_TYPE OXM_HEADER (0x8000, OFPXMT_OFB_ETH_TYPE, 2)
+
+/* The VLAN id is 12-bits, so we can use the entire 16 bits to indicate
+ * special conditions.
+ */
+enum ofp_vlan_id {
+ OFPVID_NONE = 0x0000; /* No VLAN id was set. */
+ OFPVID_PRESENT = 0x1000; /* Bit that indicate that a VLAN id is set */
+};
+/* Define for compatibility */
+//#define OFP_VLAN_NONE OFPVID_NONE
+
+/* 802.1Q VID.
+ *
+ * For a packet with an 802.1Q header, this is the VLAN-ID (VID) from the
+ * outermost tag, with the CFI bit forced to 1. For a packet with no 802.1Q
+ * header, this has value OFPVID_NONE.
+ *
+ * Prereqs: None.
+ *
+ * Format: 16-bit integer in network byte order with bit 13 indicating
+ * presence of VLAN header and 3 most-significant bits forced to 0.
+ * Only the lower 13 bits have meaning.
+ *
+ * Masking: Arbitrary masks.
+ *
+ * This field can be used in various ways:
+ *
+ * - If it is not constrained at all, the nx_match matches packets without
+ * an 802.1Q header or with an 802.1Q header that has any VID value.
+ *
+ * - Testing for an exact match with 0x0 matches only packets without
+ * an 802.1Q header.
+ *
+ * - Testing for an exact match with a VID value with CFI=1 matches packets
+ * that have an 802.1Q header with a specified VID.
+ *
+ * - Testing for an exact match with a nonzero VID value with CFI=0 does
+ * not make sense. The switch may reject this combination.
+ *
+ * - Testing with nxm_value=0, nxm_mask=0x0fff matches packets with no 802.1Q
+ * header or with an 802.1Q header with a VID of 0.
+ *
+ * - Testing with nxm_value=0x1000, nxm_mask=0x1000 matches packets with
+ * an 802.1Q header that has any VID value.
+ */
+//#define OXM_OF_VLAN_VID OXM_HEADER (0x8000, OFPXMT_OFB_VLAN_VID, 2)
+//#define OXM_OF_VLAN_VID_W OXM_HEADER_W(0x8000, OFPXMT_OFB_VLAN_VID, 2)
+
+/* 802.1Q PCP.
+ *
+ * For a packet with an 802.1Q header, this is the VLAN-PCP from the
+ * outermost tag. For a packet with no 802.1Q header, this has value
+ * 0.
+ *
+ * Prereqs: OXM_OF_VLAN_VID must be different from OFPVID_NONE.
+ *
+ * Format: 8-bit integer with 5 most-significant bits forced to 0.
+ * Only the lower 3 bits have meaning.
+ *
+ * Masking: Not maskable.
+ */
+//#define OXM_OF_VLAN_PCP OXM_HEADER (0x8000, OFPXMT_OFB_VLAN_PCP, 1)
+
+/* The Diff Serv Code Point (DSCP) bits of the IP header.
+ * Part of the IPv4 ToS field or the IPv6 Traffic Class field.
+ *
+ * Prereqs: OXM_OF_ETH_TYPE must be either 0x0800 or 0x86dd.
+ *
+ * Format: 8-bit integer with 2 most-significant bits forced to 0.
+ * Only the lower 6 bits have meaning.
+ *
+ * Masking: Not maskable. */
+//#define OXM_OF_IP_DSCP OXM_HEADER (0x8000, OFPXMT_OFB_IP_DSCP, 1)
+
+/* The ECN bits of the IP header.
+ * Part of the IPv4 ToS field or the IPv6 Traffic Class field.
+ *
+ * Prereqs: OXM_OF_ETH_TYPE must be either 0x0800 or 0x86dd.
+ *
+ * Format: 8-bit integer with 6 most-significant bits forced to 0.
+ * Only the lower 2 bits have meaning.
+ *
+ * Masking: Not maskable. */
+//#define OXM_OF_IP_ECN OXM_HEADER (0x8000, OFPXMT_OFB_IP_ECN, 1)
+
+/* The "protocol" byte in the IP header.
+ *
+ * Prereqs: OXM_OF_ETH_TYPE must be either 0x0800 or 0x86dd.
+ *
+ * Format: 8-bit integer.
+ *
+ * Masking: Not maskable. */
+//#define OXM_OF_IP_PROTO OXM_HEADER (0x8000, OFPXMT_OFB_IP_PROTO, 1)
+
+/* The source or destination address in the IP header.
+ *
+ * Prereqs: OXM_OF_ETH_TYPE must match 0x0800 exactly.
+ *
+ * Format: 32-bit integer in network byte order.
+ *
+ * Masking: Arbitrary masks.
+ */
+//#define OXM_OF_IPV4_SRC OXM_HEADER (0x8000, OFPXMT_OFB_IPV4_SRC, 4)
+//#define OXM_OF_IPV4_SRC_W OXM_HEADER_W(0x8000, OFPXMT_OFB_IPV4_SRC, 4)
+//#define OXM_OF_IPV4_DST OXM_HEADER (0x8000, OFPXMT_OFB_IPV4_DST, 4)
+//#define OXM_OF_IPV4_DST_W OXM_HEADER_W(0x8000, OFPXMT_OFB_IPV4_DST, 4)
+
+/* The source or destination port in the TCP header.
+ *
+ * Prereqs:
+ * OXM_OF_ETH_TYPE must be either 0x0800 or 0x86dd.
+ * OXM_OF_IP_PROTO must match 6 exactly.
+ *
+ * Format: 16-bit integer in network byte order.
+ *
+ * Masking: Not maskable. */
+//#define OXM_OF_TCP_SRC OXM_HEADER (0x8000, OFPXMT_OFB_TCP_SRC, 2)
+//#define OXM_OF_TCP_DST OXM_HEADER (0x8000, OFPXMT_OFB_TCP_DST, 2)
+
+/* The source or destination port in the UDP header.
+ *
+ * Prereqs:
+ * OXM_OF_ETH_TYPE must match either 0x0800 or 0x86dd.
+ * OXM_OF_IP_PROTO must match 17 exactly.
+ *
+ * Format: 16-bit integer in network byte order.
+ *
+ * Masking: Not maskable. */
+//#define OXM_OF_UDP_SRC OXM_HEADER (0x8000, OFPXMT_OFB_UDP_SRC, 2)
+//#define OXM_OF_UDP_DST OXM_HEADER (0x8000, OFPXMT_OFB_UDP_DST, 2)
+
+/* The source or destination port in the SCTP header.
+ *
+ * Prereqs:
+ * OXM_OF_ETH_TYPE must match either 0x0800 or 0x86dd.
+ * OXM_OF_IP_PROTO must match 132 exactly.
+ *
+ * Format: 16-bit integer in network byte order.
+ *
+ * Masking: Not maskable. */
+//#define OXM_OF_SCTP_SRC OXM_HEADER (0x8000, OFPXMT_OFB_SCTP_SRC, 2)
+//#define OXM_OF_SCTP_DST OXM_HEADER (0x8000, OFPXMT_OFB_SCTP_DST, 2)
+
+/* The type or code in the ICMP header.
+ *
+ * Prereqs:
+ * OXM_OF_ETH_TYPE must match 0x0800 exactly.
+ * OXM_OF_IP_PROTO must match 1 exactly.
+ *
+ * Format: 8-bit integer.
+ *
+ * Masking: Not maskable. */
+//#define OXM_OF_ICMPV4_TYPE OXM_HEADER (0x8000, OFPXMT_OFB_ICMPV4_TYPE, 1)
+//#define OXM_OF_ICMPV4_CODE OXM_HEADER (0x8000, OFPXMT_OFB_ICMPV4_CODE, 1)
+
+/* ARP opcode.
+ *
+ * For an Ethernet+IP ARP packet, the opcode in the ARP header. Always 0
+ * otherwise.
+ *
+ * Prereqs: OXM_OF_ETH_TYPE must match 0x0806 exactly.
+ *
+ * Format: 16-bit integer in network byte order.
+ *
+ * Masking: Not maskable. */
+//#define OXM_OF_ARP_OP OXM_HEADER (0x8000, OFPXMT_OFB_ARP_OP, 2)
+
+/* For an Ethernet+IP ARP packet, the source or target protocol address
+ * in the ARP header. Always 0 otherwise.
+ *
+ * Prereqs: OXM_OF_ETH_TYPE must match 0x0806 exactly.
+ *
+ * Format: 32-bit integer in network byte order.
+ *
+ * Masking: Arbitrary masks.
+ */
+//#define OXM_OF_ARP_SPA OXM_HEADER (0x8000, OFPXMT_OFB_ARP_SPA, 4)
+//#define OXM_OF_ARP_SPA_W OXM_HEADER_W(0x8000, OFPXMT_OFB_ARP_SPA, 4)
+//#define OXM_OF_ARP_TPA OXM_HEADER (0x8000, OFPXMT_OFB_ARP_TPA, 4)
+//#define OXM_OF_ARP_TPA_W OXM_HEADER_W(0x8000, OFPXMT_OFB_ARP_TPA, 4)
+
+/* For an Ethernet+IP ARP packet, the source or target hardware address
+ * in the ARP header. Always 0 otherwise.
+ *
+ * Prereqs: OXM_OF_ETH_TYPE must match 0x0806 exactly.
+ *
+ * Format: 48-bit Ethernet MAC address.
+ *
+ * Masking: Not maskable. */
+//#define OXM_OF_ARP_SHA OXM_HEADER (0x8000, OFPXMT_OFB_ARP_SHA, 6)
+//#define OXM_OF_ARP_SHA_W OXM_HEADER_W (0x8000, OFPXMT_OFB_ARP_SHA, 6)
+//#define OXM_OF_ARP_THA OXM_HEADER (0x8000, OFPXMT_OFB_ARP_THA, 6)
+//#define OXM_OF_ARP_THA_W OXM_HEADER_W (0x8000, OFPXMT_OFB_ARP_THA, 6)
+
+
+/* The source or destination address in the IPv6 header.
+ *
+ * Prereqs: OXM_OF_ETH_TYPE must match 0x86dd exactly.
+ *
+ * Format: 128-bit IPv6 address.
+ *
+ * Masking: Arbitrary masks.
+ */
+//#define OXM_OF_IPV6_SRC OXM_HEADER (0x8000, OFPXMT_OFB_IPV6_SRC, 16)
+//#define OXM_OF_IPV6_SRC_W OXM_HEADER_W(0x8000, OFPXMT_OFB_IPV6_SRC, 16)
+//#define OXM_OF_IPV6_DST OXM_HEADER (0x8000, OFPXMT_OFB_IPV6_DST, 16)
+//#define OXM_OF_IPV6_DST_W OXM_HEADER_W(0x8000, OFPXMT_OFB_IPV6_DST, 16)
+
+/* The IPv6 Flow Label
+ *
+ * Prereqs:
+ * OXM_OF_ETH_TYPE must match 0x86dd exactly
+ *
+ * Format: 32-bit integer with 12 most-significant bits forced to 0.
+ * Only the lower 20 bits have meaning.
+ *
+ * Masking: Arbitrary masks.
+ */
+//#define OXM_OF_IPV6_FLABEL OXM_HEADER (0x8000, OFPXMT_OFB_IPV6_FLABEL, 4)
+//#define OXM_OF_IPV6_FLABEL_W OXM_HEADER_W(0x8000, OFPXMT_OFB_IPV6_FLABEL, 4)
+
+/* The type or code in the ICMPv6 header.
+ *
+ * Prereqs:
+ * OXM_OF_ETH_TYPE must match 0x86dd exactly.
+ * OXM_OF_IP_PROTO must match 58 exactly.
+ *
+ * Format: 8-bit integer.
+ *
+ * Masking: Not maskable. */
+//#define OXM_OF_ICMPV6_TYPE OXM_HEADER (0x8000, OFPXMT_OFB_ICMPV6_TYPE, 1)
+//#define OXM_OF_ICMPV6_CODE OXM_HEADER (0x8000, OFPXMT_OFB_ICMPV6_CODE, 1)
+
+/* The target address in an IPv6 Neighbor Discovery message.
+ *
+ * Prereqs:
+ * OXM_OF_ETH_TYPE must match 0x86dd exactly.
+ * OXM_OF_IP_PROTO must match 58 exactly.
+ * OXM_OF_ICMPV6_TYPE must be either 135 or 136.
+ *
+ * Format: 128-bit IPv6 address.
+ *
+ * Masking: Not maskable. */
+//#define OXM_OF_IPV6_ND_TARGET OXM_HEADER (0x8000, OFPXMT_OFB_IPV6_ND_TARGET, 16)
+
+/* The source link-layer address option in an IPv6 Neighbor Discovery
+ * message.
+ *
+ * Prereqs:
+ * OXM_OF_ETH_TYPE must match 0x86dd exactly.
+ * OXM_OF_IP_PROTO must match 58 exactly.
+ * OXM_OF_ICMPV6_TYPE must be exactly 135.
+ *
+ * Format: 48-bit Ethernet MAC address.
+ *
+ * Masking: Not maskable. */
+//#define OXM_OF_IPV6_ND_SLL OXM_HEADER (0x8000, OFPXMT_OFB_IPV6_ND_SLL, 6)
+
+/* The target link-layer address option in an IPv6 Neighbor Discovery
+ * message.
+ *
+ * Prereqs:
+ * OXM_OF_ETH_TYPE must match 0x86dd exactly.
+ * OXM_OF_IP_PROTO must match 58 exactly.
+ * OXM_OF_ICMPV6_TYPE must be exactly 136.
+ *
+ * Format: 48-bit Ethernet MAC address.
+ *
+ * Masking: Not maskable. */
+//#define OXM_OF_IPV6_ND_TLL OXM_HEADER (0x8000, OFPXMT_OFB_IPV6_ND_TLL, 6)
+
+/* The LABEL in the first MPLS shim header.
+ *
+ * Prereqs:
+ * OXM_OF_ETH_TYPE must match 0x8847 or 0x8848 exactly.
+ *
+ * Format: 32-bit integer in network byte order with 12 most-significant
+ * bits forced to 0. Only the lower 20 bits have meaning.
+ *
+ * Masking: Not maskable. */
+//#define OXM_OF_MPLS_LABEL OXM_HEADER (0x8000, OFPXMT_OFB_MPLS_LABEL, 4)
+
+/* The TC in the first MPLS shim header.
+ *
+ * Prereqs:
+ * OXM_OF_ETH_TYPE must match 0x8847 or 0x8848 exactly.
+ *
+ * Format: 8-bit integer with 5 most-significant bits forced to 0.
+ * Only the lower 3 bits have meaning.
+ *
+ * Masking: Not maskable. */
+//#define OXM_OF_MPLS_TC OXM_HEADER (0x8000, OFPXMT_OFB_MPLS_TC, 1)
+
+/* The BoS bit in the first MPLS shim header.
+ *
+ * Prereqs:
+ * OXM_OF_ETH_TYPE must match 0x8847 or 0x8848 exactly.
+ *
+ * Format: 8-bit integer with 7 most-significant bits forced to 0.
+ * Only the lowest bit have a meaning.
+ *
+ * Masking: Not maskable. */
+//#define OXM_OF_MPLS_BOS OXM_HEADER (0x8000, OFPXMT_OFB_MPLS_BOS, 1)
+
+/* IEEE 802.1ah I-SID.
+ *
+ * For a packet with a PBB header, this is the I-SID from the
+ * outermost service tag.
+ *
+ * Prereqs:
+ * OXM_OF_ETH_TYPE must match 0x88E7 exactly.
+ *
+ * Format: 24-bit integer in network byte order.
+ *
+ * Masking: Arbitrary masks. */
+//#define OXM_OF_PBB_ISID OXM_HEADER (0x8000, OFPXMT_OFB_PBB_ISID, 3)
+//#define OXM_OF_PBB_ISID_W OXM_HEADER_W(0x8000, OFPXMT_OFB_PBB_ISID, 3)
+
+/* Logical Port Metadata.
+ *
+ * Metadata associated with a logical port.
+ * If the logical port performs encapsulation and decapsulation, this
+ * is the demultiplexing field from the encapsulation header.
+ * For example, for a packet received via GRE tunnel including a (32-bit) key,
+ * the key is stored in the low 32-bits and the high bits are zeroed.
+ * For a MPLS logical port, the low 20 bits represent the MPLS Label.
+ * For a VxLAN logical port, the low 24 bits represent the VNI.
+ * If the packet is not received through a logical port, the value is 0.
+ *
+ * Prereqs: None.
+ *
+ * Format: 64-bit integer in network byte order.
+ *
+ * Masking: Arbitrary masks. */
+//#define OXM_OF_TUNNEL_ID OXM_HEADER (0x8000, OFPXMT_OFB_TUNNEL_ID, 8)
+//#define OXM_OF_TUNNEL_ID_W OXM_HEADER_W(0x8000, OFPXMT_OFB_TUNNEL_ID, 8)
+
+/* The IPv6 Extension Header pseudo-field.
+ *
+ * Prereqs:
+ * OXM_OF_ETH_TYPE must match 0x86dd exactly
+ *
+ * Format: 16-bit integer with 7 most-significant bits forced to 0.
+ * Only the lower 9 bits have meaning.
+ *
+ * Masking: Maskable. */
+//#define OXM_OF_IPV6_EXTHDR OXM_HEADER (0x8000, OFPXMT_OFB_IPV6_EXTHDR, 2)
+//#define OXM_OF_IPV6_EXTHDR_W OXM_HEADER_W(0x8000, OFPXMT_OFB_IPV6_EXTHDR, 2)
+
+/* Bit definitions for IPv6 Extension Header pseudo-field. */
+enum ofp_ipv6exthdr_flags {
+ OFPIEH_INVALID = 0;
+ OFPIEH_NONEXT = 1; /* "No next header" encountered. */
+ OFPIEH_ESP = 2; /* Encrypted Sec Payload header present. */
+ OFPIEH_AUTH = 4; /* Authentication header present. */
+ OFPIEH_DEST = 8; /* 1 or 2 dest headers present. */
+ OFPIEH_FRAG = 16; /* Fragment header present. */
+ OFPIEH_ROUTER = 32; /* Router header present. */
+ OFPIEH_HOP = 64; /* Hop-by-hop header present. */
+ OFPIEH_UNREP = 128; /* Unexpected repeats encountered. */
+ OFPIEH_UNSEQ = 256; /* Unexpected sequencing encountered. */
+};
+
+/* Header for OXM experimenter match fields.
+ * The experimenter class should not use OXM_HEADER() macros for defining
+ * fields due to this extra header. */
+message ofp_oxm_experimenter_header {
+ uint32 oxm_header = 1; /* oxm_class = OFPXMC_EXPERIMENTER */
+ uint32 experimenter = 2; /* Experimenter ID which takes the same
+ form as in struct ofp_experimenter_header. */
+};
+
+/* ## ----------------- ## */
+/* ## OpenFlow Actions. ## */
+/* ## ----------------- ## */
+
+enum ofp_action_type {
+ OFPAT_OUTPUT = 0; /* Output to switch port. */
+ OFPAT_COPY_TTL_OUT = 11; /* Copy TTL "outwards" -- from next-to-outermost
+ to outermost */
+ OFPAT_COPY_TTL_IN = 12; /* Copy TTL "inwards" -- from outermost to
+ next-to-outermost */
+ OFPAT_SET_MPLS_TTL = 15; /* MPLS TTL */
+ OFPAT_DEC_MPLS_TTL = 16; /* Decrement MPLS TTL */
+
+ OFPAT_PUSH_VLAN = 17; /* Push a new VLAN tag */
+ OFPAT_POP_VLAN = 18; /* Pop the outer VLAN tag */
+ OFPAT_PUSH_MPLS = 19; /* Push a new MPLS tag */
+ OFPAT_POP_MPLS = 20; /* Pop the outer MPLS tag */
+ OFPAT_SET_QUEUE = 21; /* Set queue id when outputting to a port */
+ OFPAT_GROUP = 22; /* Apply group. */
+ OFPAT_SET_NW_TTL = 23; /* IP TTL. */
+ OFPAT_DEC_NW_TTL = 24; /* Decrement IP TTL. */
+ OFPAT_SET_FIELD = 25; /* Set a header field using OXM TLV format. */
+ OFPAT_PUSH_PBB = 26; /* Push a new PBB service tag (I-TAG) */
+ OFPAT_POP_PBB = 27; /* Pop the outer PBB service tag (I-TAG) */
+ OFPAT_EXPERIMENTER = 0xffff;
+};
+
+/* Action header that is common to all actions. The length includes the
+ * header and any padding used to make the action 64-bit aligned.
+ * NB: The length of an action *must* always be a multiple of eight. */
+message ofp_action_header {
+ uint32 type = 1; /* One of OFPAT_*. */
+ uint32 len = 2; /* Length of action, including this
+ header. This is the length of action,
+ including any padding to make it
+ 64-bit aligned. */
+};
+
+enum ofp_controller_max_len {
+ OFPCML_INVALID = 0;
+ OFPCML_MAX = 0xffe5; /* maximum max_len value which can be used
+ to request a specific byte length. */
+ OFPCML_NO_BUFFER = 0xffff; /* indicates that no buffering should be
+ applied and the whole packet is to be
+ sent to the controller. */
+};
+
+/* Action structure for OFPAT_OUTPUT, which sends packets out 'port'.
+ * When the 'port' is the OFPP_CONTROLLER, 'max_len' indicates the max
+ * number of bytes to send. A 'max_len' of zero means no bytes of the
+ * packet should be sent. A 'max_len' of OFPCML_NO_BUFFER means that
+ * the packet is not buffered and the complete packet is to be sent to
+ * the controller. */
+message ofp_action_output {
+ uint32 type = 1; /* OFPAT_OUTPUT. */
+ uint32 len = 2; /* Length is 16. */
+ uint32 port = 3; /* Output port. */
+ uint32 max_len = 4; /* Max length to send to controller. */
+};
+
+/* Action structure for OFPAT_SET_MPLS_TTL. */
+message ofp_action_mpls_ttl {
+ uint32 type = 1; /* OFPAT_SET_MPLS_TTL. */
+ uint32 len = 2; /* Length is 8. */
+ uint32 mpls_ttl = 3; /* MPLS TTL */
+};
+
+/* Action structure for OFPAT_PUSH_VLAN/MPLS/PBB. */
+message ofp_action_push {
+ uint32 type = 1; /* OFPAT_PUSH_VLAN/MPLS/PBB. */
+ uint32 len = 2; /* Length is 8. */
+ uint32 ethertype = 3; /* Ethertype */
+};
+
+/* Action structure for OFPAT_POP_MPLS. */
+message ofp_action_pop_mpls {
+ uint32 type = 1; /* OFPAT_POP_MPLS. */
+ uint32 len = 2; /* Length is 8. */
+ uint32 ethertype = 3; /* Ethertype */
+};
+
+/* Action structure for OFPAT_GROUP. */
+message ofp_action_group {
+ uint32 type = 1; /* OFPAT_GROUP. */
+ uint32 len = 2; /* Length is 8. */
+ uint32 group_id = 3; /* Group identifier. */
+};
+
+/* Action structure for OFPAT_SET_NW_TTL. */
+message ofp_action_nw_ttl {
+ uint32 type = 1; /* OFPAT_SET_NW_TTL. */
+ uint32 len = 2; /* Length is 8. */
+ uint32 nw_ttl = 3; /* IP TTL */
+};
+
+/* Action structure for OFPAT_SET_FIELD. */
+message ofp_action_set_field {
+ uint32 type = 1; /* OFPAT_SET_FIELD. */
+ uint32 len = 2; /* Length is padded to 64 bits. */
+ /* Followed by:
+ * - Exactly (4 + oxm_length) bytes containing a single OXM TLV, then
+ * - Exactly ((8 + oxm_length) + 7)/8*8 - (8 + oxm_length)
+ * (between 0 and 7) bytes of all-zero bytes
+ */
+ repeated uint32 field = 3; //[4]; /* OXM TLV - Make compiler happy */
+};
+
+/* Action header for OFPAT_EXPERIMENTER.
+ * The rest of the body is experimenter-defined. */
+message ofp_action_experimenter_header {
+ uint32 type = 1; /* OFPAT_EXPERIMENTER. */
+ uint32 len = 2; /* Length is a multiple of 8. */
+ uint32 experimenter = 3; /* Experimenter ID which takes the same
+ form as in struct
+ ofp_experimenter_header. */
+};
+
+/* ## ---------------------- ## */
+/* ## OpenFlow Instructions. ## */
+/* ## ---------------------- ## */
+
+enum ofp_instruction_type {
+ OFPIT_INVALID = 0;
+ OFPIT_GOTO_TABLE = 1; /* Setup the next table in the lookup
+ pipeline */
+ OFPIT_WRITE_METADATA = 2; /* Setup the metadata field for use later in
+ pipeline */
+ OFPIT_WRITE_ACTIONS = 3; /* Write the action(s) onto the datapath action
+ set */
+ OFPIT_APPLY_ACTIONS = 4; /* Applies the action(s) immediately */
+ OFPIT_CLEAR_ACTIONS = 5; /* Clears all actions from the datapath
+ action set */
+ OFPIT_METER = 6; /* Apply meter (rate limiter) */
+
+ OFPIT_EXPERIMENTER = 0xFFFF; /* Experimenter instruction */
+};
+
+/* Instruction header that is common to all instructions. The length includes
+ * the header and any padding used to make the instruction 64-bit aligned.
+ * NB: The length of an instruction *must* always be a multiple of eight. */
+message ofp_instruction {
+ uint32 type = 1; /* Instruction type */
+ uint32 len = 2; /* Length of this struct in bytes. */
+};
+
+/* Instruction structure for OFPIT_GOTO_TABLE */
+message ofp_instruction_goto_table {
+ uint32 type = 1; /* OFPIT_GOTO_TABLE */
+ uint32 len = 2; /* Length of this struct in bytes. */
+ uint32 table_id = 3; /* Set next table in the lookup pipeline */
+};
+
+/* Instruction structure for OFPIT_WRITE_METADATA */
+message ofp_instruction_write_metadata {
+ uint32 type = 1; /* OFPIT_WRITE_METADATA */
+ uint32 len = 2; /* Length of this struct in bytes. */
+ uint64 metadata = 3; /* Metadata value to write */
+ uint64 metadata_mask = 4; /* Metadata write bitmask */
+};
+
+/* Instruction structure for OFPIT_WRITE/APPLY/CLEAR_ACTIONS */
+message ofp_instruction_actions {
+ uint32 type = 1; /* One of OFPIT_*_ACTIONS */
+ uint32 len = 2; /* Length of this struct in bytes. */
+ repeated ofp_action_header actions = 3; /* 0 or more actions associated with
+ OFPIT_WRITE_ACTIONS and
+ OFPIT_APPLY_ACTIONS */
+};
+
+/* Instruction structure for OFPIT_METER */
+message ofp_instruction_meter {
+ uint32 type = 1; /* OFPIT_METER */
+ uint32 len = 2; /* Length is 8. */
+ uint32 meter_id = 3; /* Meter instance. */
+};
+
+/* Instruction structure for experimental instructions */
+message ofp_instruction_experimenter {
+ uint32 type = 1; /* OFPIT_EXPERIMENTER */
+ uint32 len = 2; /* Length of this struct in bytes */
+ uint32 experimenter = 3; /* Experimenter ID which takes the same form
+ as in struct ofp_experimenter_header. */
+ /* Experimenter-defined arbitrary additional data. */
+};
+
+/* ## --------------------------- ## */
+/* ## OpenFlow Flow Modification. ## */
+/* ## --------------------------- ## */
+
+enum ofp_flow_mod_command {
+ OFPFC_ADD = 0; /* New flow. */
+ OFPFC_MODIFY = 1; /* Modify all matching flows. */
+ OFPFC_MODIFY_STRICT = 2; /* Modify entry strictly matching wildcards and
+ priority. */
+ OFPFC_DELETE = 3; /* Delete all matching flows. */
+ OFPFC_DELETE_STRICT = 4; /* Delete entry strictly matching wildcards and
+ priority. */
+};
+
+/* Value used in "idle_timeout" and "hard_timeout" to indicate that the entry
+ * is permanent. */
+//#define OFP_FLOW_PERMANENT 0
+
+/* By default, choose a priority in the middle. */
+//#define OFP_DEFAULT_PRIORITY 0x8000
+
+enum ofp_flow_mod_flags {
+ OFPFF_INVALID = 0;
+ OFPFF_SEND_FLOW_REM = 1; /* Send flow removed message when flow
+ * expires or is deleted. */
+ OFPFF_CHECK_OVERLAP = 2; /* Check for overlapping entries first. */
+ OFPFF_RESET_COUNTS = 4; /* Reset flow packet and byte counts. */
+ OFPFF_NO_PKT_COUNTS = 8; /* Don't keep track of packet count. */
+ OFPFF_NO_BYT_COUNTS = 16; /* Don't keep track of byte count. */
+};
+
+/* Flow setup and teardown (controller -> datapath). */
+message ofp_flow_mod {
+ ofp_header header = 1;
+ uint64 cookie = 2; /* Opaque controller-issued identifier. */
+ uint64 cookie_mask = 3; /* Mask used to restrict the cookie bits
+ that must match when the command is
+ OFPFC_MODIFY* or OFPFC_DELETE*. A value
+ of 0 indicates no restriction. */
+ uint32 table_id = 4; /* ID of the table to put the flow in.
+ For OFPFC_DELETE_* commands, OFPTT_ALL
+ can also be used to delete matching
+ flows from all tables. */
+ uint32 command = 5; /* One of OFPFC_*. */
+ uint32 idle_timeout = 6; /* Idle time before discarding (seconds). */
+ uint32 hard_timeout = 7; /* Max time before discarding (seconds). */
+ uint32 priority = 8; /* Priority level of flow entry. */
+ uint32 buffer_id = 9; /* Buffered packet to apply to, or
+ OFP_NO_BUFFER.
+ Not meaningful for OFPFC_DELETE*. */
+ uint32 out_port = 10; /* For OFPFC_DELETE* commands, require
+ matching entries to include this as an
+ output port. A value of OFPP_ANY
+ indicates no restriction. */
+ uint32 out_group = 11; /* For OFPFC_DELETE* commands, require
+ matching entries to include this as an
+ output group. A value of OFPG_ANY
+ indicates no restriction. */
+ uint32 flags = 12; /* Bitmap of OFPFF_* flags. */
+ ofp_match match = 13; /* Fields to match. Variable size. */
+ /* The variable size and padded match is always followed by instructions. */
+ /*struct ofp_instruction instructions[0];*/ /* Instruction set - 0 or more.
+ The length of the instruction
+ set is inferred from the
+ length field in the header. */
+};
+
+/* Group numbering. Groups can use any number up to OFPG_MAX. */
+enum ofp_group {
+ OFPG_INVALID = 0;
+ /* Last usable group number. */
+ OFPG_MAX = 0x7fffff00;
+
+ /* Fake groups. */
+ OFPG_ALL = 0x7ffffffc; /* Represents all groups for group delete
+ commands. */
+ OFPG_ANY = 0x7fffffff; /* Special wildcard: no group specified. */
+};
+
+/* Group commands */
+enum ofp_group_mod_command {
+ OFPGC_ADD = 0; /* New group. */
+ OFPGC_MODIFY = 1; /* Modify all matching groups. */
+ OFPGC_DELETE = 2; /* Delete all matching groups. */
+};
+
+/* Bucket for use in groups. */
+message ofp_bucket {
+ uint32 len = 1; /* Length of the bucket in bytes, including
+ this header and any padding to make it
+ 64-bit aligned. */
+ uint32 weight = 2; /* Relative weight of bucket. Only
+ defined for select groups. */
+ uint32 watch_port = 3; /* Port whose state affects whether this
+ bucket is live. Only required for fast
+ failover groups. */
+ uint32 watch_group = 4; /* Group whose state affects whether this
+ bucket is live. Only required for fast
+ failover groups. */
+ repeated ofp_action_header actions = 5; /* 0 or more actions associated with
+ the bucket - The action list length
+ is inferred from the length
+ of the bucket. */
+};
+
+/* Group setup and teardown (controller -> datapath). */
+message ofp_group_mod {
+ ofp_header header = 1;
+ uint32 command = 2; /* One of OFPGC_*. */
+ uint32 type = 3; /* One of OFPGT_*. */
+ uint32 group_id = 4; /* Group identifier. */
+ repeated ofp_bucket buckets = 5; /* The length of the bucket array is inferred
+ from the length field in the header. */
+};
+
+/* Group types. Values in the range [128; 255] are reserved for experimental
+ * use. */
+enum ofp_group_type {
+ OFPGT_ALL = 0; /* All (multicast/broadcast) group. */
+ OFPGT_SELECT = 1; /* Select group. */
+ OFPGT_INDIRECT = 2; /* Indirect group. */
+ OFPGT_FF = 3; /* Fast failover group. */
+};
+
+/* Special buffer-id to indicate 'no buffer' */
+//#define OFP_NO_BUFFER 0xffffffff
+
+/* Send packet (controller -> datapath). */
+message ofp_packet_out {
+ ofp_header header = 1;
+ uint32 buffer_id = 2; /* ID assigned by datapath (OFP_NO_BUFFER
+ if none). */
+ uint32 in_port = 3; /* Packet's input port or OFPP_CONTROLLER. */
+ uint32 actions_len = 4; /* Size of action array in bytes. */
+ repeated ofp_action_header actions = 5; /* Action list - 0 or more. */
+ /* The variable size action list is optionally followed by packet data.
+ * This data is only present and meaningful if buffer_id == -1.
+ * uint32 data[0]; Packet data. The length is inferred
+ from the length field in the header. */
+};
+
+/* Why is this packet being sent to the controller? */
+enum ofp_packet_in_reason {
+ OFPR_NO_MATCH = 0; /* No matching flow (table-miss flow entry). */
+ OFPR_ACTION = 1; /* Action explicitly output to controller. */
+ OFPR_INVALID_TTL = 2; /* Packet has invalid TTL */
+};
+
+/* Packet received on port (datapath -> controller). */
+message ofp_packet_in {
+ ofp_header header = 1;
+ uint32 buffer_id = 2; /* ID assigned by datapath. */
+ uint32 total_len = 3; /* Full length of frame. */
+ uint32 reason = 4; /* Reason packet is being sent (one of OFPR_*) */
+ uint32 table_id = 5; /* ID of the table that was looked up */
+ uint64 cookie = 6; /* Cookie of the flow entry that was looked up. */
+ ofp_match match = 7;/* Packet metadata. Variable size. */
+ /* The variable size and padded match is always followed by:
+ * - Exactly 2 all-zero padding bytes, then
+ * - An Ethernet frame whose length is inferred from header.length.
+ * The padding bytes preceding the Ethernet frame ensure that the IP
+ * header (if any) following the Ethernet header is 32-bit aligned.
+ */
+ //uint32 pad[2]; /* Align to 64 bit + 16 bit */
+ //uint32 data[0]; /* Ethernet frame */
+};
+
+/* Why was this flow removed? */
+enum ofp_flow_removed_reason {
+ OFPRR_IDLE_TIMEOUT = 0; /* Flow idle time exceeded idle_timeout. */
+ OFPRR_HARD_TIMEOUT = 1; /* Time exceeded hard_timeout. */
+ OFPRR_DELETE = 2; /* Evicted by a DELETE flow mod. */
+ OFPRR_GROUP_DELETE = 3; /* Group was removed. */
+ OFPRR_METER_DELETE = 4; /* Meter was removed */
+};
+
+/* Flow removed (datapath -> controller). */
+message ofp_flow_removed {
+ ofp_header header = 1;
+ uint64 cookie = 2; /* Opaque controller-issued identifier. */
+
+ uint32 priority = 3; /* Priority level of flow entry. */
+ uint32 reason = 4; /* One of OFPRR_*. */
+ uint32 table_id = 5; /* ID of the table */
+
+ uint32 duration_sec = 6; /* Time flow was alive in seconds. */
+ uint32 duration_nsec = 7; /* Time flow was alive in nanoseconds beyond
+ duration_sec. */
+ uint32 idle_timeout = 8; /* Idle timeout from original flow mod. */
+ uint32 hard_timeout = 9; /* Hard timeout from original flow mod. */
+ uint64 packet_count = 10;
+ uint64 byte_count = 11;
+ ofp_match match = 12; /* Description of fields. Variable size. */
+};
+
+/* Meter numbering. Flow meters can use any number up to OFPM_MAX. */
+enum ofp_meter {
+ OFPM_ZERO = 0;
+ /* Last usable meter. */
+ OFPM_MAX = 0x7fff0000;
+
+ /* Virtual meters. */
+ OFPM_SLOWPATH = 0x7ffffffd; /* Meter for slow datapath. */
+ OFPM_CONTROLLER = 0x7ffffffe; /* Meter for controller connection. */
+ OFPM_ALL = 0x7fffffff; /* Represents all meters for stat requests
+ commands. */
+};
+
+/* Meter band types */
+enum ofp_meter_band_type {
+ OFPMBT_INVALID = 0;
+ OFPMBT_DROP = 1; /* Drop packet. */
+ OFPMBT_DSCP_REMARK = 2; /* Remark DSCP in the IP header. */
+ OFPMBT_EXPERIMENTER = 0xFFFF; /* Experimenter meter band. */
+};
+
+/* Common header for all meter bands */
+message ofp_meter_band_header {
+ uint32 type = 1; /* One of OFPMBT_*. */
+ uint32 len = 2; /* Length in bytes of this band. */
+ uint32 rate = 3; /* Rate for this band. */
+ uint32 burst_size = 4;/* Size of bursts. */
+};
+
+/* OFPMBT_DROP band - drop packets */
+message ofp_meter_band_drop {
+ uint32 type = 1; /* OFPMBT_DROP. */
+ uint32 len = 2; /* Length in bytes of this band. */
+ uint32 rate = 3; /* Rate for dropping packets. */
+ uint32 burst_size = 4;/* Size of bursts. */
+};
+
+/* OFPMBT_DSCP_REMARK band - Remark DSCP in the IP header */
+message ofp_meter_band_dscp_remark {
+ uint32 type = 1; /* OFPMBT_DSCP_REMARK. */
+ uint32 len = 2; /* Length in bytes of this band. */
+ uint32 rate = 3; /* Rate for remarking packets. */
+ uint32 burst_size = 4;/* Size of bursts. */
+ uint32 prec_level = 5;/* Number of drop precedence level to add. */
+};
+
+/* OFPMBT_EXPERIMENTER band - Experimenter type.
+ * The rest of the band is experimenter-defined. */
+message ofp_meter_band_experimenter {
+ uint32 type = 1; /* One of OFPMBT_*. */
+ uint32 len = 2; /* Length in bytes of this band. */
+ uint32 rate = 3; /* Rate for this band. */
+ uint32 burst_size = 4; /* Size of bursts. */
+ uint32 experimenter = 5;/* Experimenter ID which takes the same
+ form as in struct
+ ofp_experimenter_header. */
+};
+
+/* Meter commands */
+enum ofp_meter_mod_command {
+ OFPMC_ADD = 0; /* New meter. */
+ OFPMC_MODIFY = 1; /* Modify specified meter. */
+ OFPMC_DELETE = 2; /* Delete specified meter. */
+};
+
+/* Meter configuration flags */
+enum ofp_meter_flags {
+ OFPMF_INVALID = 0;
+ OFPMF_KBPS = 1; /* Rate value in kb/s (kilo-bit per second). */
+ OFPMF_PKTPS = 2; /* Rate value in packet/sec. */
+ OFPMF_BURST = 4; /* Do burst size. */
+ OFPMF_STATS = 8; /* Collect statistics. */
+};
+
+/* Meter configuration. OFPT_METER_MOD. */
+message ofp_meter_mod {
+ ofp_header header = 1;
+ uint32 command = 2; /* One of OFPMC_*. */
+ uint32 flags = 3; /* Bitmap of OFPMF_* flags. */
+ uint32 meter_id = 4; /* Meter instance. */
+ repeated ofp_meter_band_header bands = 5; /* The band list length is
+ inferred from the length field
+ in the header. */
+};
+
+/* Values for 'type' in ofp_error_message. These values are immutable: they
+ * will not change in future versions of the protocol (although new values may
+ * be added). */
+enum ofp_error_type {
+ OFPET_HELLO_FAILED = 0; /* Hello protocol failed. */
+ OFPET_BAD_REQUEST = 1; /* Request was not understood. */
+ OFPET_BAD_ACTION = 2; /* Error in action description. */
+ OFPET_BAD_INSTRUCTION = 3; /* Error in instruction list. */
+ OFPET_BAD_MATCH = 4; /* Error in match. */
+ OFPET_FLOW_MOD_FAILED = 5; /* Problem modifying flow entry. */
+ OFPET_GROUP_MOD_FAILED = 6; /* Problem modifying group entry. */
+ OFPET_PORT_MOD_FAILED = 7; /* Port mod request failed. */
+ OFPET_TABLE_MOD_FAILED = 8; /* Table mod request failed. */
+ OFPET_QUEUE_OP_FAILED = 9; /* Queue operation failed. */
+ OFPET_SWITCH_CONFIG_FAILED = 10; /* Switch config request failed. */
+ OFPET_ROLE_REQUEST_FAILED = 11; /* Controller Role request failed. */
+ OFPET_METER_MOD_FAILED = 12; /* Error in meter. */
+ OFPET_TABLE_FEATURES_FAILED = 13; /* Setting table features failed. */
+ OFPET_EXPERIMENTER = 0xffff; /* Experimenter error messages. */
+};
+
+/* ofp_error_msg 'code' values for OFPET_HELLO_FAILED. 'data' contains an
+ * ASCII text string that may give failure details. */
+enum ofp_hello_failed_code {
+ OFPHFC_INCOMPATIBLE = 0; /* No compatible version. */
+ OFPHFC_EPERM = 1; /* Permissions error. */
+};
+
+/* ofp_error_msg 'code' values for OFPET_BAD_REQUEST. 'data' contains at least
+ * the first 64 bytes of the failed request. */
+enum ofp_bad_request_code {
+ OFPBRC_BAD_VERSION = 0; /* ofp_header.version not supported. */
+ OFPBRC_BAD_TYPE = 1; /* ofp_header.type not supported. */
+ OFPBRC_BAD_MULTIPART = 2; /* ofp_multipart_request.type not supported. */
+ OFPBRC_BAD_EXPERIMENTER = 3; /* Experimenter id not supported
+ * (in ofp_experimenter_header or
+ * ofp_multipart_request or
+ * ofp_multipart_reply). */
+ OFPBRC_BAD_EXP_TYPE = 4; /* Experimenter type not supported. */
+ OFPBRC_EPERM = 5; /* Permissions error. */
+ OFPBRC_BAD_LEN = 6; /* Wrong request length for type. */
+ OFPBRC_BUFFER_EMPTY = 7; /* Specified buffer has already been used. */
+ OFPBRC_BUFFER_UNKNOWN = 8; /* Specified buffer does not exist. */
+ OFPBRC_BAD_TABLE_ID = 9; /* Specified table-id invalid or does not
+ * exist. */
+ OFPBRC_IS_SLAVE = 10; /* Denied because controller is slave. */
+ OFPBRC_BAD_PORT = 11; /* Invalid port. */
+ OFPBRC_BAD_PACKET = 12; /* Invalid packet in packet-out. */
+ OFPBRC_MULTIPART_BUFFER_OVERFLOW = 13; /* ofp_multipart_request
+ overflowed the assigned buffer. */
+};
+
+/* ofp_error_msg 'code' values for OFPET_BAD_ACTION. 'data' contains at least
+ * the first 64 bytes of the failed request. */
+enum ofp_bad_action_code {
+ OFPBAC_BAD_TYPE = 0; /* Unknown or unsupported action type. */
+ OFPBAC_BAD_LEN = 1; /* Length problem in actions. */
+ OFPBAC_BAD_EXPERIMENTER = 2; /* Unknown experimenter id specified. */
+ OFPBAC_BAD_EXP_TYPE = 3; /* Unknown action for experimenter id. */
+ OFPBAC_BAD_OUT_PORT = 4; /* Problem validating output port. */
+ OFPBAC_BAD_ARGUMENT = 5; /* Bad action argument. */
+ OFPBAC_EPERM = 6; /* Permissions error. */
+ OFPBAC_TOO_MANY = 7; /* Can't handle this many actions. */
+ OFPBAC_BAD_QUEUE = 8; /* Problem validating output queue. */
+ OFPBAC_BAD_OUT_GROUP = 9; /* Invalid group id in forward action. */
+ OFPBAC_MATCH_INCONSISTENT = 10; /* Action can't apply for this match,
+ or Set-Field missing prerequisite. */
+ OFPBAC_UNSUPPORTED_ORDER = 11; /* Action order is unsupported for the
+ action list in an Apply-Actions instruction */
+ OFPBAC_BAD_TAG = 12; /* Actions uses an unsupported
+ tag/encap. */
+ OFPBAC_BAD_SET_TYPE = 13; /* Unsupported type in SET_FIELD action. */
+ OFPBAC_BAD_SET_LEN = 14; /* Length problem in SET_FIELD action. */
+ OFPBAC_BAD_SET_ARGUMENT = 15; /* Bad argument in SET_FIELD action. */
+};
+
+/* ofp_error_msg 'code' values for OFPET_BAD_INSTRUCTION. 'data' contains at least
+ * the first 64 bytes of the failed request. */
+enum ofp_bad_instruction_code {
+ OFPBIC_UNKNOWN_INST = 0; /* Unknown instruction. */
+ OFPBIC_UNSUP_INST = 1; /* Switch or table does not support the
+ instruction. */
+ OFPBIC_BAD_TABLE_ID = 2; /* Invalid Table-ID specified. */
+ OFPBIC_UNSUP_METADATA = 3; /* Metadata value unsupported by datapath. */
+ OFPBIC_UNSUP_METADATA_MASK = 4; /* Metadata mask value unsupported by
+ datapath. */
+ OFPBIC_BAD_EXPERIMENTER = 5; /* Unknown experimenter id specified. */
+ OFPBIC_BAD_EXP_TYPE = 6; /* Unknown instruction for experimenter id. */
+ OFPBIC_BAD_LEN = 7; /* Length problem in instructions. */
+ OFPBIC_EPERM = 8; /* Permissions error. */
+};
+
+/* ofp_error_msg 'code' values for OFPET_BAD_MATCH. 'data' contains at least
+ * the first 64 bytes of the failed request. */
+enum ofp_bad_match_code {
+ OFPBMC_BAD_TYPE = 0; /* Unsupported match type specified by the
+ match */
+ OFPBMC_BAD_LEN = 1; /* Length problem in match. */
+ OFPBMC_BAD_TAG = 2; /* Match uses an unsupported tag/encap. */
+ OFPBMC_BAD_DL_ADDR_MASK = 3; /* Unsupported datalink addr mask - switch
+ does not support arbitrary datalink
+ address mask. */
+ OFPBMC_BAD_NW_ADDR_MASK = 4; /* Unsupported network addr mask - switch
+ does not support arbitrary network
+ address mask. */
+ OFPBMC_BAD_WILDCARDS = 5; /* Unsupported combination of fields masked
+ or omitted in the match. */
+ OFPBMC_BAD_FIELD = 6; /* Unsupported field type in the match. */
+ OFPBMC_BAD_VALUE = 7; /* Unsupported value in a match field. */
+ OFPBMC_BAD_MASK = 8; /* Unsupported mask specified in the match,
+ field is not dl-address or nw-address. */
+ OFPBMC_BAD_PREREQ = 9; /* A prerequisite was not met. */
+ OFPBMC_DUP_FIELD = 10; /* A field type was duplicated. */
+ OFPBMC_EPERM = 11; /* Permissions error. */
+};
+
+/* ofp_error_msg 'code' values for OFPET_FLOW_MOD_FAILED. 'data' contains
+ * at least the first 64 bytes of the failed request. */
+enum ofp_flow_mod_failed_code {
+ OFPFMFC_UNKNOWN = 0; /* Unspecified error. */
+ OFPFMFC_TABLE_FULL = 1; /* Flow not added because table was full. */
+ OFPFMFC_BAD_TABLE_ID = 2; /* Table does not exist */
+ OFPFMFC_OVERLAP = 3; /* Attempted to add overlapping flow with
+ CHECK_OVERLAP flag set. */
+ OFPFMFC_EPERM = 4; /* Permissions error. */
+ OFPFMFC_BAD_TIMEOUT = 5; /* Flow not added because of unsupported
+ idle/hard timeout. */
+ OFPFMFC_BAD_COMMAND = 6; /* Unsupported or unknown command. */
+ OFPFMFC_BAD_FLAGS = 7; /* Unsupported or unknown flags. */
+};
+
+/* ofp_error_msg 'code' values for OFPET_GROUP_MOD_FAILED. 'data' contains
+ * at least the first 64 bytes of the failed request. */
+enum ofp_group_mod_failed_code {
+ OFPGMFC_GROUP_EXISTS = 0; /* Group not added because a group ADD
+ attempted to replace an
+ already-present group. */
+ OFPGMFC_INVALID_GROUP = 1; /* Group not added because Group
+ specified is invalid. */
+ OFPGMFC_WEIGHT_UNSUPPORTED = 2; /* Switch does not support unequal load
+ sharing with select groups. */
+ OFPGMFC_OUT_OF_GROUPS = 3; /* The group table is full. */
+ OFPGMFC_OUT_OF_BUCKETS = 4; /* The maximum number of action buckets
+ for a group has been exceeded. */
+ OFPGMFC_CHAINING_UNSUPPORTED = 5; /* Switch does not support groups that
+ forward to groups. */
+ OFPGMFC_WATCH_UNSUPPORTED = 6; /* This group cannot watch the watch_port
+ or watch_group specified. */
+ OFPGMFC_LOOP = 7; /* Group entry would cause a loop. */
+ OFPGMFC_UNKNOWN_GROUP = 8; /* Group not modified because a group
+ MODIFY attempted to modify a
+ non-existent group. */
+ OFPGMFC_CHAINED_GROUP = 9; /* Group not deleted because another
+ group is forwarding to it. */
+ OFPGMFC_BAD_TYPE = 10; /* Unsupported or unknown group type. */
+ OFPGMFC_BAD_COMMAND = 11; /* Unsupported or unknown command. */
+ OFPGMFC_BAD_BUCKET = 12; /* Error in bucket. */
+ OFPGMFC_BAD_WATCH = 13; /* Error in watch port/group. */
+ OFPGMFC_EPERM = 14; /* Permissions error. */
+};
+
+/* ofp_error_msg 'code' values for OFPET_PORT_MOD_FAILED. 'data' contains
+ * at least the first 64 bytes of the failed request. */
+enum ofp_port_mod_failed_code {
+ OFPPMFC_BAD_PORT = 0; /* Specified port number does not exist. */
+ OFPPMFC_BAD_HW_ADDR = 1; /* Specified hardware address does not
+ * match the port number. */
+ OFPPMFC_BAD_CONFIG = 2; /* Specified config is invalid. */
+ OFPPMFC_BAD_ADVERTISE = 3; /* Specified advertise is invalid. */
+ OFPPMFC_EPERM = 4; /* Permissions error. */
+};
+
+/* ofp_error_msg 'code' values for OFPET_TABLE_MOD_FAILED. 'data' contains
+ * at least the first 64 bytes of the failed request. */
+enum ofp_table_mod_failed_code {
+ OFPTMFC_BAD_TABLE = 0; /* Specified table does not exist. */
+ OFPTMFC_BAD_CONFIG = 1; /* Specified config is invalid. */
+ OFPTMFC_EPERM = 2; /* Permissions error. */
+};
+
+/* ofp_error msg 'code' values for OFPET_QUEUE_OP_FAILED. 'data' contains
+ * at least the first 64 bytes of the failed request */
+enum ofp_queue_op_failed_code {
+ OFPQOFC_BAD_PORT = 0; /* Invalid port (or port does not exist). */
+ OFPQOFC_BAD_QUEUE = 1; /* Queue does not exist. */
+ OFPQOFC_EPERM = 2; /* Permissions error. */
+};
+
+/* ofp_error_msg 'code' values for OFPET_SWITCH_CONFIG_FAILED. 'data' contains
+ * at least the first 64 bytes of the failed request. */
+enum ofp_switch_config_failed_code {
+ OFPSCFC_BAD_FLAGS = 0; /* Specified flags is invalid. */
+ OFPSCFC_BAD_LEN = 1; /* Specified len is invalid. */
+ OFPSCFC_EPERM = 2; /* Permissions error. */
+};
+
+/* ofp_error_msg 'code' values for OFPET_ROLE_REQUEST_FAILED. 'data' contains
+ * at least the first 64 bytes of the failed request. */
+enum ofp_role_request_failed_code {
+ OFPRRFC_STALE = 0; /* Stale Message: old generation_id. */
+ OFPRRFC_UNSUP = 1; /* Controller role change unsupported. */
+ OFPRRFC_BAD_ROLE = 2; /* Invalid role. */
+};
+
+/* ofp_error_msg 'code' values for OFPET_METER_MOD_FAILED. 'data' contains
+ * at least the first 64 bytes of the failed request. */
+enum ofp_meter_mod_failed_code {
+ OFPMMFC_UNKNOWN = 0; /* Unspecified error. */
+ OFPMMFC_METER_EXISTS = 1; /* Meter not added because a Meter ADD
+ * attempted to replace an existing Meter. */
+ OFPMMFC_INVALID_METER = 2; /* Meter not added because Meter specified
+ * is invalid,
+ * or invalid meter in meter action. */
+ OFPMMFC_UNKNOWN_METER = 3; /* Meter not modified because a Meter MODIFY
+ * attempted to modify a non-existent Meter,
+ * or bad meter in meter action. */
+ OFPMMFC_BAD_COMMAND = 4; /* Unsupported or unknown command. */
+ OFPMMFC_BAD_FLAGS = 5; /* Flag configuration unsupported. */
+ OFPMMFC_BAD_RATE = 6; /* Rate unsupported. */
+ OFPMMFC_BAD_BURST = 7; /* Burst size unsupported. */
+ OFPMMFC_BAD_BAND = 8; /* Band unsupported. */
+ OFPMMFC_BAD_BAND_VALUE = 9; /* Band value unsupported. */
+ OFPMMFC_OUT_OF_METERS = 10; /* No more meters available. */
+ OFPMMFC_OUT_OF_BANDS = 11; /* The maximum number of properties
+ * for a meter has been exceeded. */
+};
+
+/* ofp_error_msg 'code' values for OFPET_TABLE_FEATURES_FAILED. 'data' contains
+ * at least the first 64 bytes of the failed request. */
+enum ofp_table_features_failed_code {
+ OFPTFFC_BAD_TABLE = 0; /* Specified table does not exist. */
+ OFPTFFC_BAD_METADATA = 1; /* Invalid metadata mask. */
+ OFPTFFC_BAD_TYPE = 2; /* Unknown property type. */
+ OFPTFFC_BAD_LEN = 3; /* Length problem in properties. */
+ OFPTFFC_BAD_ARGUMENT = 4; /* Unsupported property value. */
+ OFPTFFC_EPERM = 5; /* Permissions error. */
+};
+
+/* OFPT_ERROR: Error message (datapath -> controller). */
+message ofp_error_msg {
+ ofp_header header = 1;
+
+ uint32 type = 2;
+ uint32 code = 3;
+ bytes data = 4; /* Variable-length data. Interpreted based
+ on the type and code. No padding. */
+};
+
+/* OFPET_EXPERIMENTER: Error message (datapath -> controller). */
+message ofp_error_experimenter_msg {
+ ofp_header header = 1;
+
+ uint32 type = 2; /* OFPET_EXPERIMENTER. */
+ uint32 exp_type = 3; /* Experimenter defined. */
+ uint32 experimenter = 4; /* Experimenter ID which takes the same form
+ as in struct ofp_experimenter_header. */
+ bytes data = 5; /* Variable-length data. Interpreted based
+ on the type and code. No padding. */
+};
+
+enum ofp_multipart_type {
+ /* Description of this OpenFlow switch.
+ * The request body is empty.
+ * The reply body is struct ofp_desc. */
+ OFPMP_DESC = 0;
+
+ /* Individual flow statistics.
+ * The request body is struct ofp_flow_stats_request.
+ * The reply body is an array of struct ofp_flow_stats. */
+ OFPMP_FLOW = 1;
+
+ /* Aggregate flow statistics.
+ * The request body is struct ofp_aggregate_stats_request.
+ * The reply body is struct ofp_aggregate_stats_reply. */
+ OFPMP_AGGREGATE = 2;
+
+ /* Flow table statistics.
+ * The request body is empty.
+ * The reply body is an array of struct ofp_table_stats. */
+ OFPMP_TABLE = 3;
+
+ /* Port statistics.
+ * The request body is struct ofp_port_stats_request.
+ * The reply body is an array of struct ofp_port_stats. */
+ OFPMP_PORT_STATS = 4;
+
+ /* Queue statistics for a port
+ * The request body is struct ofp_queue_stats_request.
+ * The reply body is an array of struct ofp_queue_stats */
+ OFPMP_QUEUE = 5;
+
+ /* Group counter statistics.
+ * The request body is struct ofp_group_stats_request.
+ * The reply is an array of struct ofp_group_stats. */
+ OFPMP_GROUP = 6;
+
+ /* Group description.
+ * The request body is empty.
+ * The reply body is an array of struct ofp_group_desc. */
+ OFPMP_GROUP_DESC = 7;
+
+ /* Group features.
+ * The request body is empty.
+ * The reply body is struct ofp_group_features. */
+ OFPMP_GROUP_FEATURES = 8;
+
+ /* Meter statistics.
+ * The request body is struct ofp_meter_multipart_requests.
+ * The reply body is an array of struct ofp_meter_stats. */
+ OFPMP_METER = 9;
+
+ /* Meter configuration.
+ * The request body is struct ofp_meter_multipart_requests.
+ * The reply body is an array of struct ofp_meter_config. */
+ OFPMP_METER_CONFIG = 10;
+
+ /* Meter features.
+ * The request body is empty.
+ * The reply body is struct ofp_meter_features. */
+ OFPMP_METER_FEATURES = 11;
+
+ /* Table features.
+ * The request body is either empty or contains an array of
+ * struct ofp_table_features containing the controller's
+ * desired view of the switch. If the switch is unable to
+ * set the specified view an error is returned.
+ * The reply body is an array of struct ofp_table_features. */
+ OFPMP_TABLE_FEATURES = 12;
+
+ /* Port description.
+ * The request body is empty.
+ * The reply body is an array of struct ofp_port. */
+ OFPMP_PORT_DESC = 13;
+
+ /* Experimenter extension.
+ * The request and reply bodies begin with
+ * struct ofp_experimenter_multipart_header.
+ * The request and reply bodies are otherwise experimenter-defined. */
+ OFPMP_EXPERIMENTER = 0xffff;
+};
+
+/* Backward compatibility with 1.3.1 - avoid breaking the API. */
+//#define ofp_multipart_types ofp_multipart_type
+
+enum ofp_multipart_request_flags {
+ OFPMPF_REQ_INVALID = 0;
+ OFPMPF_REQ_MORE = 1; /* More requests to follow. */
+};
+
+message ofp_multipart_request {
+ ofp_header header = 1;
+ uint32 type = 2; /* One of the OFPMP_* constants. */
+ uint32 flags = 3; /* OFPMPF_REQ_* flags. */
+ bytes body = 4; /* Body of the request. 0 or more bytes. */
+};
+
+enum ofp_multipart_reply_flags {
+ OFPMPF_REPLY_INVALID = 0;
+ OFPMPF_REPLY_MORE = 1; /* More replies to follow. */
+};
+
+message ofp_multipart_reply {
+ ofp_header header = 1;
+ uint32 type = 2; /* One of the OFPMP_* constants. */
+ uint32 flags = 3; /* OFPMPF_REPLY_* flags. */
+ bytes body = 4; /* Body of the reply. 0 or more bytes. */
+};
+
+//#define DESC_STR_LEN 256
+//#define SERIAL_NUM_LEN 32
+/* Body of reply to OFPMP_DESC request. Each entry is a NULL-terminated
+ * ASCII string. */
+message ofp_desc {
+ string mfr_desc = 1; /* Manufacturer description. */
+ string hw_desc = 2; /* Hardware description. */
+ string sw_desc = 3; /* Software description. */
+ string serial_num = 4; /* Serial number. */
+ string dp_desc = 5; /* Human readable description of datapath. */
+};
+
+/* Body for ofp_multipart_request of type OFPMP_FLOW. */
+message ofp_flow_stats_request {
+ uint32 table_id = 1; /* ID of table to read (from ofp_table_stats),
+ OFPTT_ALL for all tables. */
+ uint32 out_port = 2; /* Require matching entries to include this
+ as an output port. A value of OFPP_ANY
+ indicates no restriction. */
+ uint32 out_group = 3; /* Require matching entries to include this
+ as an output group. A value of OFPG_ANY
+ indicates no restriction. */
+ uint64 cookie = 4; /* Require matching entries to contain this
+ cookie value */
+ uint64 cookie_mask = 5; /* Mask used to restrict the cookie bits that
+ must match. A value of 0 indicates
+ no restriction. */
+ ofp_match match = 6; /* Fields to match. Variable size. */
+};
+
+/* Body of reply to OFPMP_FLOW request. */
+message ofp_flow_stats {
+ uint32 length = 1; /* Length of this entry. */
+ uint32 table_id = 2; /* ID of table flow came from. */
+ uint32 duration_sec = 3; /* Time flow has been alive in seconds. */
+ uint32 duration_nsec = 4; /* Time flow has been alive in nanoseconds beyond
+ duration_sec. */
+ uint32 priority = 5; /* Priority of the entry. */
+ uint32 idle_timeout = 6; /* Number of seconds idle before expiration. */
+ uint32 hard_timeout = 7; /* Number of seconds before expiration. */
+ uint32 flags = 8; /* Bitmap of OFPFF_* flags. */
+ uint64 cookie = 9; /* Opaque controller-issued identifier. */
+ uint64 packet_count = 10; /* Number of packets in flow. */
+ uint64 byte_count = 11; /* Number of bytes in flow. */
+ ofp_match match = 12; /* Description of fields. Variable size. */
+ /* The variable size and padded match is always followed by instructions. */
+ //struct ofp_instruction instructions[0]; /* Instruction set - 0 or more. */
+};
+
+/* Body for ofp_multipart_request of type OFPMP_AGGREGATE. */
+message ofp_aggregate_stats_request {
+ uint32 table_id = 1; /* ID of table to read (from ofp_table_stats)
+ OFPTT_ALL for all tables. */
+ uint32 out_port = 2; /* Require matching entries to include this
+ as an output port. A value of OFPP_ANY
+ indicates no restriction. */
+ uint32 out_group = 3; /* Require matching entries to include this
+ as an output group. A value of OFPG_ANY
+ indicates no restriction. */
+ uint64 cookie = 4; /* Require matching entries to contain this
+ cookie value */
+ uint64 cookie_mask = 5; /* Mask used to restrict the cookie bits that
+ must match. A value of 0 indicates
+ no restriction. */
+ ofp_match match = 6; /* Fields to match. Variable size. */
+};
+
+/* Body of reply to OFPMP_AGGREGATE request. */
+message ofp_aggregate_stats_reply {
+ uint64 packet_count = 1; /* Number of packets in flows. */
+ uint64 byte_count = 2; /* Number of bytes in flows. */
+ uint32 flow_count = 3; /* Number of flows. */
+};
+
+/* Table Feature property types.
+ * Low order bit cleared indicates a property for a regular Flow Entry.
+ * Low order bit set indicates a property for the Table-Miss Flow Entry.
+ */
+enum ofp_table_feature_prop_type {
+ OFPTFPT_INSTRUCTIONS = 0; /* Instructions property. */
+ OFPTFPT_INSTRUCTIONS_MISS = 1; /* Instructions for table-miss. */
+ OFPTFPT_NEXT_TABLES = 2; /* Next Table property. */
+ OFPTFPT_NEXT_TABLES_MISS = 3; /* Next Table for table-miss. */
+ OFPTFPT_WRITE_ACTIONS = 4; /* Write Actions property. */
+ OFPTFPT_WRITE_ACTIONS_MISS = 5; /* Write Actions for table-miss. */
+ OFPTFPT_APPLY_ACTIONS = 6; /* Apply Actions property. */
+ OFPTFPT_APPLY_ACTIONS_MISS = 7; /* Apply Actions for table-miss. */
+ OFPTFPT_MATCH = 8; /* Match property. */
+ OFPTFPT_WILDCARDS = 10; /* Wildcards property. */
+ OFPTFPT_WRITE_SETFIELD = 12; /* Write Set-Field property. */
+ OFPTFPT_WRITE_SETFIELD_MISS = 13; /* Write Set-Field for table-miss. */
+ OFPTFPT_APPLY_SETFIELD = 14; /* Apply Set-Field property. */
+ OFPTFPT_APPLY_SETFIELD_MISS = 15; /* Apply Set-Field for table-miss. */
+ OFPTFPT_EXPERIMENTER = 0xFFFE; /* Experimenter property. */
+ OFPTFPT_EXPERIMENTER_MISS = 0xFFFF; /* Experimenter for table-miss. */
+};
+
+/* Common header for all Table Feature Properties */
+message ofp_table_feature_prop_header {
+ uint32 type = 1; /* One of OFPTFPT_*. */
+ uint32 length = 2; /* Length in bytes of this property. */
+};
+
+/* Instructions property */
+message ofp_table_feature_prop_instructions {
+ uint32 type = 1; /* One of OFPTFPT_INSTRUCTIONS,
+ OFPTFPT_INSTRUCTIONS_MISS. */
+ uint32 length = 2; /* Length in bytes of this property. */
+ /* Followed by:
+ * - Exactly (length - 4) bytes containing the instruction ids, then
+ * - Exactly (length + 7)/8*8 - (length) (between 0 and 7)
+ * bytes of all-zero bytes */
+ repeated ofp_instruction instruction_ids = 3; /* List of instructions */
+};
+
+/* Next Tables property */
+message ofp_table_feature_prop_next_tables {
+ uint32 type = 1; /* One of OFPTFPT_NEXT_TABLES,
+ OFPTFPT_NEXT_TABLES_MISS. */
+ uint32 length = 2; /* Length in bytes of this property. */
+ /* Followed by:
+ * - Exactly (length - 4) bytes containing the table_ids, then
+ * - Exactly (length + 7)/8*8 - (length) (between 0 and 7)
+ * bytes of all-zero bytes */
+ repeated uint32 next_table_ids = 3; /* List of table ids. */
+};
+
+/* Actions property */
+message ofp_table_feature_prop_actions {
+ uint32 type = 1; /* One of OFPTFPT_WRITE_ACTIONS,
+ OFPTFPT_WRITE_ACTIONS_MISS,
+ OFPTFPT_APPLY_ACTIONS,
+ OFPTFPT_APPLY_ACTIONS_MISS. */
+ uint32 length = 2; /* Length in bytes of this property. */
+ /* Followed by:
+ * - Exactly (length - 4) bytes containing the action_ids, then
+ * - Exactly (length + 7)/8*8 - (length) (between 0 and 7)
+ * bytes of all-zero bytes */
+ repeated ofp_action_header action_ids = 3; /* List of actions */
+};
+
+/* Match, Wildcard or Set-Field property */
+message ofp_table_feature_prop_oxm {
+ uint32 type = 1; /* One of OFPTFPT_MATCH,
+ OFPTFPT_WILDCARDS,
+ OFPTFPT_WRITE_SETFIELD,
+ OFPTFPT_WRITE_SETFIELD_MISS,
+ OFPTFPT_APPLY_SETFIELD,
+ OFPTFPT_APPLY_SETFIELD_MISS. */
+ uint32 length = 2; /* Length in bytes of this property. */
+ /* Followed by:
+ * - Exactly (length - 4) bytes containing the oxm_ids, then
+ * - Exactly (length + 7)/8*8 - (length) (between 0 and 7)
+ * bytes of all-zero bytes */
+ repeated uint32 oxm_ids = 3; /* Array of OXM headers */
+};
+
+/* Experimenter table feature property */
+message ofp_table_feature_prop_experimenter {
+ uint32 type = 1; /* One of OFPTFPT_EXPERIMENTER,
+ OFPTFPT_EXPERIMENTER_MISS. */
+ uint32 length = 2; /* Length in bytes of this property. */
+ uint32 experimenter = 3; /* Experimenter ID which takes the same
+ form as in struct
+ ofp_experimenter_header. */
+ uint32 exp_type = 4; /* Experimenter defined. */
+ /* Followed by:
+ * - Exactly (length - 12) bytes containing the experimenter data, then
+ * - Exactly (length + 7)/8*8 - (length) (between 0 and 7)
+ * bytes of all-zero bytes */
+ repeated uint32 experimenter_data = 5;
+};
+
+/* Body for ofp_multipart_request of type OFPMP_TABLE_FEATURES./
+ * Body of reply to OFPMP_TABLE_FEATURES request. */
+message ofp_table_features {
+ uint32 length = 1; /* Length is padded to 64 bits. */
+ uint32 table_id = 2; /* Identifier of table. Lower numbered tables
+ are consulted first. */
+ string name = 3;
+ uint64 metadata_match = 4;/* Bits of metadata table can match. */
+ uint64 metadata_write = 5;/* Bits of metadata table can write. */
+ uint32 config = 6; /* Bitmap of OFPTC_* values */
+ uint32 max_entries = 7; /* Max number of entries supported. */
+
+ /* Table Feature Property list */
+ repeated ofp_table_feature_prop_header properties = 8; /* List of properties */
+};
+
+/* Body of reply to OFPMP_TABLE request. */
+message ofp_table_stats {
+ uint32 table_id = 1; /* Identifier of table. Lower numbered tables
+ are consulted first. */
+ uint32 active_count = 2; /* Number of active entries. */
+ uint64 lookup_count = 3; /* Number of packets looked up in table. */
+ uint64 matched_count = 4; /* Number of packets that hit table. */
+};
+
+/* Body for ofp_multipart_request of type OFPMP_PORT. */
+message ofp_port_stats_request {
+ uint32 port_no = 1; /* OFPMP_PORT message must request statistics
+ * either for a single port (specified in
+ * port_no) or for all ports (if port_no ==
+ * OFPP_ANY). */
+};
+
+/* Body of reply to OFPMP_PORT request. If a counter is unsupported, set
+ * the field to all ones. */
+message ofp_port_stats {
+ uint32 port_no = 1;
+ uint64 rx_packets = 2; /* Number of received packets. */
+ uint64 tx_packets = 3; /* Number of transmitted packets. */
+ uint64 rx_bytes = 4; /* Number of received bytes. */
+ uint64 tx_bytes = 5; /* Number of transmitted bytes. */
+ uint64 rx_dropped = 6; /* Number of packets dropped by RX. */
+ uint64 tx_dropped = 7; /* Number of packets dropped by TX. */
+ uint64 rx_errors = 8; /* Number of receive errors. This is a super-set
+ of more specific receive errors and should be
+ greater than or equal to the sum of all
+ rx_*_err values. */
+ uint64 tx_errors = 9; /* Number of transmit errors. This is a super-set
+ of more specific transmit errors and should be
+ greater than or equal to the sum of all
+ tx_*_err values (none currently defined.) */
+ uint64 rx_frame_err = 10; /* Number of frame alignment errors. */
+ uint64 rx_over_err = 11; /* Number of packets with RX overrun. */
+ uint64 rx_crc_err = 12; /* Number of CRC errors. */
+ uint64 collisions = 13; /* Number of collisions. */
+ uint32 duration_sec = 14; /* Time port has been alive in seconds. */
+ uint32 duration_nsec = 15; /* Time port has been alive in nanoseconds beyond
+ duration_sec. */
+};
+
+/* Body of OFPMP_GROUP request. */
+message ofp_group_stats_request {
+ uint32 group_id = 1; /* All groups if OFPG_ALL. */
+};
+
+/* Used in group stats replies. */
+message ofp_bucket_counter {
+ uint64 packet_count = 1; /* Number of packets processed by bucket. */
+ uint64 byte_count = 2; /* Number of bytes processed by bucket. */
+};
+
+/* Body of reply to OFPMP_GROUP request. */
+message ofp_group_stats {
+ uint32 length = 1; /* Length of this entry. */
+ uint32 group_id = 2; /* Group identifier. */
+ uint32 ref_count = 3; /* Number of flows or groups that directly forward
+ to this group. */
+ uint64 packet_count = 4; /* Number of packets processed by group. */
+ uint64 byte_count = 5; /* Number of bytes processed by group. */
+ uint32 duration_sec = 6; /* Time group has been alive in seconds. */
+ uint32 duration_nsec = 7; /* Time group has been alive in nanoseconds beyond
+ duration_sec. */
+ repeated ofp_bucket_counter bucket_stats = 8; /* One counter set per bucket. */
+};
+
+/* Body of reply to OFPMP_GROUP_DESC request. */
+message ofp_group_desc {
+ uint32 length = 1; /* Length of this entry. */
+ uint32 type = 2; /* One of OFPGT_*. */
+ uint32 pad = 3; /* Pad to 64 bits. */
+ uint32 group_id = 4; /* Group identifier. */
+ repeated ofp_bucket buckets = 5; /* List of buckets - 0 or more. */
+};
+
+/* Backward compatibility with 1.3.1 - avoid breaking the API. */
+//#define ofp_group_desc_stats ofp_group_desc
+
+/* Group configuration flags */
+enum ofp_group_capabilities {
+ OFPGFC_INVALID = 0;
+ OFPGFC_SELECT_WEIGHT = 1; /* Support weight for select groups */
+ OFPGFC_SELECT_LIVENESS = 2; /* Support liveness for select groups */
+ OFPGFC_CHAINING = 4; /* Support chaining groups */
+ OFPGFC_CHAINING_CHECKS = 8; /* Check chaining for loops and delete */
+};
+
+/* Body of reply to OFPMP_GROUP_FEATURES request. Group features. */
+message ofp_group_features {
+ uint32 types = 1; /* Bitmap of (1 << OFPGT_*) values supported. */
+ uint32 capabilities = 2; /* Bitmap of OFPGFC_* capability supported. */
+ repeated uint32 max_groups = 3; /* Maximum number of groups for each type. */
+ repeated uint32 actions = 4; /* Bitmaps of (1 << OFPAT_*) values supported. */
+};
+
+/* Body of OFPMP_METER and OFPMP_METER_CONFIG requests. */
+message ofp_meter_multipart_request {
+ uint32 meter_id = 1; /* Meter instance, or OFPM_ALL. */
+};
+
+/* Statistics for each meter band */
+message ofp_meter_band_stats {
+ uint64 packet_band_count = 1; /* Number of packets in band. */
+ uint64 byte_band_count = 2; /* Number of bytes in band. */
+};
+
+/* Body of reply to OFPMP_METER request. Meter statistics. */
+message ofp_meter_stats {
+ uint32 meter_id = 1; /* Meter instance. */
+ uint32 len = 2; /* Length in bytes of this stats. */
+ uint32 flow_count = 3; /* Number of flows bound to meter. */
+ uint64 packet_in_count = 4; /* Number of packets in input. */
+ uint64 byte_in_count = 5; /* Number of bytes in input. */
+ uint32 duration_sec = 6; /* Time meter has been alive in seconds. */
+ uint32 duration_nsec = 7;/* Time meter has been alive in nanoseconds beyond
+ duration_sec. */
+ repeated ofp_meter_band_stats band_stats = 8; /* The band_stats length is
+ inferred from the length field. */
+};
+
+/* Body of reply to OFPMP_METER_CONFIG request. Meter configuration. */
+message ofp_meter_config {
+ uint32 length = 1; /* Length of this entry. */
+ uint32 flags = 2; /* All OFPMF_* that apply. */
+ uint32 meter_id = 3; /* Meter instance. */
+ repeated ofp_meter_band_header bands = 4; /* The bands length is
+ inferred from the length field. */
+};
+
+/* Body of reply to OFPMP_METER_FEATURES request. Meter features. */
+message ofp_meter_features {
+ uint32 max_meter = 1; /* Maximum number of meters. */
+ uint32 band_types = 2; /* Bitmaps of (1 << OFPMBT_*) values supported. */
+ uint32 capabilities = 3;/* Bitmaps of "ofp_meter_flags". */
+ uint32 max_bands = 4; /* Maximum bands per meters */
+ uint32 max_color = 5; /* Maximum color value */
+};
+
+/* Body for ofp_multipart_request/reply of type OFPMP_EXPERIMENTER. */
+message ofp_experimenter_multipart_header {
+ uint32 experimenter = 1; /* Experimenter ID which takes the same form
+ as in struct ofp_experimenter_header. */
+ uint32 exp_type = 2; /* Experimenter defined. */
+ bytes data = 3; /* Experimenter-defined arbitrary additional data. */
+};
+
+/* Experimenter extension. */
+message ofp_experimenter_header {
+ ofp_header header = 1; /* Type OFPT_EXPERIMENTER. */
+ uint32 experimenter = 2; /* Experimenter ID:
+ * - MSB 0: low-order bytes are IEEE OUI.
+ * - MSB != 0: defined by ONF. */
+ uint32 exp_type = 3; /* Experimenter defined. */
+ bytes data = 4; /* Experimenter-defined arbitrary additional data. */
+};
+
+/* All ones is used to indicate all queues in a port (for stats retrieval). */
+//#define OFPQ_ALL 0xffffffff
+
+/* Min rate > 1000 means not configured. */
+//#define OFPQ_MIN_RATE_UNCFG 0xffff
+
+/* Max rate > 1000 means not configured. */
+//#define OFPQ_MAX_RATE_UNCFG 0xffff
+
+enum ofp_queue_properties {
+ OFPQT_INVALID = 0;
+ OFPQT_MIN_RATE = 1; /* Minimum datarate guaranteed. */
+ OFPQT_MAX_RATE = 2; /* Maximum datarate. */
+ OFPQT_EXPERIMENTER = 0xffff; /* Experimenter defined property. */
+};
+
+/* Common description for a queue. */
+message ofp_queue_prop_header {
+ uint32 property = 1; /* One of OFPQT_. */
+ uint32 len = 2; /* Length of property, including this header. */
+};
+
+/* Min-Rate queue property description. */
+message ofp_queue_prop_min_rate {
+ ofp_queue_prop_header prop_header = 1;/* prop: OFPQT_MIN, len: 16. */
+ uint32 rate = 2; /* In 1/10 of a percent = 0;>1000 -> disabled. */
+};
+
+/* Max-Rate queue property description. */
+message ofp_queue_prop_max_rate {
+ ofp_queue_prop_header prop_header = 1;/* prop: OFPQT_MAX, len: 16. */
+ uint32 rate = 2; /* In 1/10 of a percent = 0;>1000 -> disabled. */
+};
+
+/* Experimenter queue property description. */
+message ofp_queue_prop_experimenter {
+ ofp_queue_prop_header prop_header = 1;/* prop: OFPQT_EXPERIMENTER, len: 16. */
+ uint32 experimenter = 2; /* Experimenter ID which takes the same
+ form as in struct
+ ofp_experimenter_header. */
+ bytes data = 3; /* Experimenter defined data. */
+};
+
+/* Full description for a queue. */
+message ofp_packet_queue {
+ uint32 queue_id = 1; /* id for the specific queue. */
+ uint32 port = 2; /* Port this queue is attached to. */
+ uint32 len = 3; /* Length in bytes of this queue desc. */
+ repeated ofp_queue_prop_header properties = 4; /* List of properties. */
+};
+
+/* Query for port queue configuration. */
+message ofp_queue_get_config_request {
+ ofp_header header = 1;
+ uint32 port = 2; /* Port to be queried. Should refer
+ to a valid physical port (i.e. <= OFPP_MAX),
+ or OFPP_ANY to request all configured
+ queues.*/
+};
+
+/* Queue configuration for a given port. */
+message ofp_queue_get_config_reply {
+ ofp_header header = 1;
+ uint32 port = 2;
+ repeated ofp_packet_queue queues = 3; /* List of configured queues. */
+};
+
+/* OFPAT_SET_QUEUE action struct: send packets to given queue on port. */
+message ofp_action_set_queue {
+ uint32 type = 1; /* OFPAT_SET_QUEUE. */
+ uint32 len = 2; /* Len is 8. */
+ uint32 queue_id = 3; /* Queue id for the packets. */
+};
+
+message ofp_queue_stats_request {
+ uint32 port_no = 1; /* All ports if OFPP_ANY. */
+ uint32 queue_id = 2; /* All queues if OFPQ_ALL. */
+};
+
+message ofp_queue_stats {
+ uint32 port_no = 1;
+ uint32 queue_id = 2; /* Queue i.d */
+ uint64 tx_bytes = 3; /* Number of transmitted bytes. */
+ uint64 tx_packets = 4; /* Number of transmitted packets. */
+ uint64 tx_errors = 5; /* Number of packets dropped due to overrun. */
+ uint32 duration_sec = 6; /* Time queue has been alive in seconds. */
+ uint32 duration_nsec = 7; /* Time queue has been alive in nanoseconds beyond
+ duration_sec. */
+};
+
+/* Configures the "role" of the sending controller. The default role is:
+ *
+ * - Equal (OFPCR_ROLE_EQUAL), which allows the controller access to all
+ * OpenFlow features. All controllers have equal responsibility.
+ *
+ * The other possible roles are a related pair:
+ *
+ * - Master (OFPCR_ROLE_MASTER) is equivalent to Equal, except that there
+ * may be at most one Master controller at a time: when a controller
+ * configures itself as Master, any existing Master is demoted to the
+ * Slave role.
+ *
+ * - Slave (OFPCR_ROLE_SLAVE) allows the controller read-only access to
+ * OpenFlow features. In particular attempts to modify the flow table
+ * will be rejected with an OFPBRC_EPERM error.
+ *
+ * Slave controllers do not receive OFPT_PACKET_IN or OFPT_FLOW_REMOVED
+ * messages, but they do receive OFPT_PORT_STATUS messages.
+ */
+
+/* Controller roles. */
+enum ofp_controller_role {
+ OFPCR_ROLE_NOCHANGE = 0; /* Don't change current role. */
+ OFPCR_ROLE_EQUAL = 1; /* Default role, full access. */
+ OFPCR_ROLE_MASTER = 2; /* Full access, at most one master. */
+ OFPCR_ROLE_SLAVE = 3; /* Read-only access. */
+};
+
+/* Role request and reply message. */
+message ofp_role_request {
+ ofp_header header = 1; /* Type OFPT_ROLE_REQUEST/OFPT_ROLE_REPLY. */
+ uint32 role = 2; /* One of OFPCR_ROLE_*. */
+ uint64 generation_id = 3; /* Master Election Generation Id */
+};
+
+/* Asynchronous message configuration. */
+message ofp_async_config {
+ ofp_header header = 1; /* OFPT_GET_ASYNC_REPLY or OFPT_SET_ASYNC. */
+ repeated uint32 packet_in_mask = 2; /* Bitmasks of OFPR_* values. */
+ repeated uint32 port_status_mask = 3; /* Bitmasks of OFPPR_* values. */
+ repeated uint32 flow_removed_mask = 4;/* Bitmasks of OFPRR_* values. */
+};