--- /dev/null
+/* Copyright (c) 2008, 2011, 2012 The Board of Trustees of The Leland Stanford
+ * Junior University
+ *
+ * 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.
+ */
+
+/*
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira Networks.
+ * Copyright (c) 2012 Horms Solutions Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* OpenFlow: protocol between controller and datapath. */
+
+#ifndef OPENFLOW_12_H
+#define OPENFLOW_12_H 1
+
+#include "openflow/openflow-1.1.h"
+
+/* OpenFlow 1.2 specific message types, in addition to the common message
+ * types. */
+enum ofp12_type {
+ /* Controller role change request messages. */
+ OFPT12_ROLE_REQUEST = 24, /* Controller/switch message */
+ OFPT12_ROLE_REPLY, /* Controller/switch message */
+};
+
+/*
+ * 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 ofp12_oxm_class {
+ OFPXMC12_NXM_0 = 0x0000, /* Backward compatibility with NXM */
+ OFPXMC12_NXM_1 = 0x0001, /* Backward compatibility with NXM */
+ OFPXMC12_OPENFLOW_BASIC = 0x0000, /* Basic class for OpenFlow */
+ OFPXMC12_EXPERIMENTER = 0x0000, /* Experimenter class */
+};
+
+/* OXM Flow match field types for OpenFlow basic class. */
+enum oxm12_ofb_match_fields {
+ OFPXMT12_OFB_IN_PORT, /* Switch input port. */
+ OFPXMT12_OFB_IN_PHY_PORT, /* Switch physical input port. */
+ OFPXMT12_OFB_METADATA, /* Metadata passed between tables. */
+ OFPXMT12_OFB_ETH_DST, /* Ethernet destination address. */
+ OFPXMT12_OFB_ETH_SRC, /* Ethernet source address. */
+ OFPXMT12_OFB_ETH_TYPE, /* Ethernet frame type. */
+ OFPXMT12_OFB_VLAN_VID, /* VLAN id. */
+ OFPXMT12_OFB_VLAN_PCP, /* VLAN priority. */
+ OFPXMT12_OFB_IP_DSCP, /* IP DSCP (6 bits in ToS field). */
+ OFPXMT12_OFB_IP_ECN, /* IP ECN (2 bits in ToS field). */
+ OFPXMT12_OFB_IP_PROTO, /* IP protocol. */
+ OFPXMT12_OFB_IPV4_SRC, /* IPv4 source address. */
+ OFPXMT12_OFB_IPV4_DST, /* IPv4 destination address. */
+ OFPXMT12_OFB_TCP_SRC, /* TCP source port. */
+ OFPXMT12_OFB_TCP_DST, /* TCP destination port. */
+ OFPXMT12_OFB_UDP_SRC, /* UDP source port. */
+ OFPXMT12_OFB_UDP_DST, /* UDP destination port. */
+ OFPXMT12_OFB_SCTP_SRC, /* SCTP source port. */
+ OFPXMT12_OFB_SCTP_DST, /* SCTP destination port. */
+ OFPXMT12_OFB_ICMPV4_TYPE, /* ICMP type. */
+ OFPXMT12_OFB_ICMPV4_CODE, /* ICMP code. */
+ OFPXMT12_OFB_ARP_OP, /* ARP opcode. */
+ OFPXMT12_OFB_ARP_SPA, /* ARP source IPv4 address. */
+ OFPXMT12_OFB_ARP_TPA, /* ARP target IPv4 address. */
+ OFPXMT12_OFB_ARP_SHA, /* ARP source hardware address. */
+ OFPXMT12_OFB_ARP_THA, /* ARP target hardware address. */
+ OFPXMT12_OFB_IPV6_SRC, /* IPv6 source address. */
+ OFPXMT12_OFB_IPV6_DST, /* IPv6 destination address. */
+ OFPXMT12_OFB_IPV6_FLABEL, /* IPv6 Flow Label */
+ OFPXMT12_OFB_ICMPV6_TYPE, /* ICMPv6 type. */
+ OFPXMT12_OFB_ICMPV6_CODE, /* ICMPv6 code. */
+ OFPXMT12_OFB_IPV6_ND_TARGET, /* Target address for ND. */
+ OFPXMT12_OFB_IPV6_ND_SLL, /* Source link-layer for ND. */
+ OFPXMT12_OFB_IPV6_ND_TLL, /* Target link-layer for ND. */
+ OFPXMT12_OFB_MPLS_LABEL, /* MPLS label. */
+ OFPXMT12_OFB_MPLS_TC, /* MPLS TC. */
+};
+
+/* The VLAN id is 12-bits, so we can use the entire 16 bits to indicate
+ * special conditions.
+ */
+enum ofp12_vlan_id {
+ OFPVID12_PRESENT = 0x1000, /* Bit that indicate that a VLAN id is set */
+ OFPVID12_NONE = 0x0000, /* No VLAN id was set. */
+};
+
+/* Header for OXM experimenter match fields. */
+struct ofp12_oxm_experimenter_header {
+ ovs_be32 oxm_header; /* oxm_class = OFPXMC_EXPERIMENTER */
+ ovs_be32 experimenter; /* Experimenter ID which takes the same
+ form as in struct ofp11_experimenter_header. */
+};
+OFP_ASSERT(sizeof(struct ofp12_oxm_experimenter_header) == 8);
+
+enum ofp12_action_type {
+ OFPAT12_OUTPUT = 0, /* Output to switch port. */
+ OFPAT12_COPY_TTL_OUT = 11, /* Copy TTL "outwards" -- from next-to-outermost
+ to outermost */
+ OFPAT12_COPY_TTL_IN, /* Copy TTL "inwards" -- from outermost to
+ next-to-outermost */
+ OFPAT12_SET_MPLS_TTL, /* MPLS TTL */
+ OFPAT12_DEC_MPLS_TTL, /* Decrement MPLS TTL */
+ OFPAT12_PUSH_VLAN, /* Push a new VLAN tag */
+ OFPAT12_POP_VLAN, /* Pop the outer VLAN tag */
+ OFPAT12_PUSH_MPLS, /* Push a new MPLS tag */
+ OFPAT12_POP_MPLS, /* Pop the outer MPLS tag */
+ OFPAT12_SET_QUEUE, /* Set queue id when outputting to a port */
+ OFPAT12_GROUP, /* Apply group. */
+ OFPAT12_SET_NW_TTL, /* IP TTL. */
+ OFPAT12_DEC_NW_TTL, /* Decrement IP TTL. */
+ OFPAT12_SET_FIELD, /* Set a header field using OXM TLV format. */
+ OFPAT12_EXPERIMENTER = 0xffff
+};
+
+enum ofp12_controller_max_len {
+ OFPCML12_MAX = 0xffe5, /* maximum max_len value which can be used
+ * to request a specific byte length. */
+ OFPCML12_NO_BUFFER = 0xffff /* indicates that no buffering should be
+ * applied and the whole packet is to be
+ * sent to the controller. */
+};
+
+/* Action structure for OFPAT12_SET_FIELD. */
+struct ofp12_action_set_field {
+ ovs_be16 type; /* OFPAT12_SET_FIELD. */
+ ovs_be16 len; /* Length is padded to 64 bits. */
+ /* Followed by:
+ * - Exactly oxm_len bytes containing a single OXM TLV, then
+ * - Exactly ((oxm_len + 4) + 7)/8*8 - (oxm_len + 4) (between 0 and 7)
+ * bytes of all-zero bytes
+ */
+ uint8_t field[4]; /* OXM TLV - Make compiler happy */
+};
+OFP_ASSERT(sizeof(struct ofp12_action_set_field) == 8);
+
+/* OpenFlow 1.2 specific flags
+ * (struct ofp12_flow_mod, member flags). */
+enum ofp12_flow_mod_flags {
+ OFPFF12_RESET_COUNTS = 1 << 2 /* Reset flow packet and byte counts. */
+};
+
+/* OpenFlow 1.2 specific capabilities
+ * (struct ofp_switch_features, member capabilities). */
+enum ofp12_capabilities {
+ OFPC12_PORT_BLOCKED = 1 << 8 /* Switch will block looping ports. */
+};
+
+/* OpenFlow 1.2 specific types
+ * (struct ofp11_stats_request/reply, member type). */
+enum ofp12_stats_types {
+ /* Group features.
+ * The request body is empty.
+ * The reply body is struct ofp12_group_features_stats. */
+ OFPST12_GROUP_FEATURES = 8
+};
+
+/* OpenFlow 1.2 specific properties
+ * (struct ofp_queue_prop_header member property). */
+enum ofp12_queue_properties {
+ OFPQT12_MIN_RATE = 1, /* Minimum datarate guaranteed. */
+ OFPQT12_MAX_RATE = 2, /* Maximum datarate. */
+ OFPQT12_EXPERIMENTER = 0xffff /* Experimenter defined property. */
+};
+
+/* Body of reply to OFPST_TABLE request. */
+struct ofp12_table_stats {
+ struct ofp11_stats_msg osm;
+ uint8_t table_id; /* Identifier of table. Lower numbered tables
+ are consulted first. */
+ uint8_t pad[7]; /* Align to 64-bits. */
+ char name[OFP_MAX_TABLE_NAME_LEN];
+ ovs_be64 match; /* Bitmap of (1 << OFPXMT_*) that indicate the
+ fields the table can match on. */
+ ovs_be64 wildcards; /* Bitmap of (1 << OFPXMT_*) wildcards that are
+ supported by the table. */
+ ovs_be32 write_actions; /* Bitmap of OFPAT_* that are supported
+ by the table with OFPIT_WRITE_ACTIONS. */
+ ovs_be32 apply_actions; /* Bitmap of OFPAT_* that are supported
+ by the table with OFPIT_APPLY_ACTIONS. */
+ ovs_be64 write_setfields;/* Bitmap of (1 << OFPXMT_*) header fields that
+ can be set with OFPIT_WRITE_ACTIONS. */
+ ovs_be64 apply_setfields;/* Bitmap of (1 << OFPXMT_*) header fields that
+ can be set with OFPIT_APPLY_ACTIONS. */
+ ovs_be64 metadata_match; /* Bits of metadata table can match. */
+ ovs_be64 metadata_write; /* Bits of metadata table can write. */
+ ovs_be32 instructions; /* Bitmap of OFPIT_* values supported. */
+ ovs_be32 config; /* Bitmap of OFPTC_* values */
+ ovs_be32 max_entries; /* Max number of entries supported. */
+ ovs_be32 active_count; /* Number of active entries. */
+ ovs_be64 lookup_count; /* Number of packets looked up in table. */
+ ovs_be64 matched_count; /* Number of packets that hit table. */
+};
+OFP_ASSERT(sizeof(struct ofp12_table_stats) == 144);
+
+/* Body of reply to OFPST12_GROUP_FEATURES request. Group features. */
+struct ofp12_group_features_stats {
+ struct ofp11_stats_msg osm;
+ ovs_be32 types; /* Bitmap of OFPGT_* values supported. */
+ ovs_be32 capabilities; /* Bitmap of OFPGFC12_* capability supported. */
+ ovs_be32 max_groups[4]; /* Maximum number of groups for each type. */
+ ovs_be32 actions[4]; /* Bitmaps of OFPAT_* that are supported. */
+};
+OFP_ASSERT(sizeof(struct ofp12_group_features_stats) == 56);
+
+/* Group configuration flags */
+enum ofp12_group_capabilities {
+ OFPGFC12_SELECT_WEIGHT = 1 << 0, /* Support weight for select groups */
+ OFPGFC12_SELECT_LIVENESS = 1 << 1, /* Support liveness for select groups */
+ OFPGFC12_CHAINING = 1 << 2, /* Support chaining groups */
+ OFPGFC12_CHAINING_CHECKS = 1 << 3, /* Check chaining for loops and delete */
+};
+
+/* Body for ofp12_stats_request/reply of type OFPST_EXPERIMENTER. */
+struct ofp12_experimenter_stats_header {
+ ovs_be32 experimenter; /* Experimenter ID which takes the same form
+ as in struct ofp_experimenter_header. */
+ ovs_be32 exp_type; /* Experimenter defined. */
+ /* Experimenter-defined arbitrary additional data. */
+};
+OFP_ASSERT(sizeof(struct ofp12_experimenter_stats_header) == 8);
+
+/* Role request and reply message. */
+struct ofp12_role_request {
+ struct ofp_header header; /* Type OFPT12_ROLE_REQUEST/OFPT12_ROLE_REPLY. */
+ ovs_be32 role; /* One of OFPCR12_ROLE_*. */
+ uint8_t pad[4]; /* Align to 64 bits. */
+ ovs_be64 generation_id; /* Master Election Generation Id */
+};
+OFP_ASSERT(sizeof(struct ofp12_role_request) == 24);
+
+/* Controller roles. */
+enum ofp12_controller_role {
+ OFPCR12_ROLE_NOCHANGE, /* Don't change current role. */
+ OFPCR12_ROLE_EQUAL, /* Default role, full access. */
+ OFPCR12_ROLE_MASTER, /* Full access, at most one master. */
+ OFPCR12_ROLE_SLAVE, /* Read-only access. */
+};
+
+/* Packet received on port (datapath -> controller). */
+struct ofp12_packet_in {
+ struct ofp_header header;
+ ovs_be32 buffer_id; /* ID assigned by datapath. */
+ ovs_be16 total_len; /* Full length of frame. */
+ uint8_t reason; /* Reason packet is being sent (one of OFPR_*) */
+ uint8_t table_id; /* ID of the table that was looked up */
+ /* Followed by:
+ * - Match
+ * - 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.
+ */
+ /* struct ofp12_match match; */
+ /* uint8_t pad[2]; Align to 64 bit + 16 bit */
+ /* uint8_t data[0]; Ethernet frame */
+};
+OFP_ASSERT(sizeof(struct ofp12_packet_in) == 16);
+
+/* Flow removed (datapath -> controller). */
+struct ofp12_flow_removed {
+ struct ofp_header header;
+ ovs_be64 cookie; /* Opaque controller-issued identifier. */
+
+ ovs_be16 priority; /* Priority level of flow entry. */
+ uint8_t reason; /* One of OFPRR_*. */
+ uint8_t table_id; /* ID of the table */
+
+ ovs_be32 duration_sec; /* Time flow was alive in seconds. */
+ ovs_be32 duration_nsec; /* Time flow was alive in nanoseconds beyond
+ duration_sec. */
+ ovs_be16 idle_timeout; /* Idle timeout from original flow mod. */
+ ovs_be16 hard_timeout; /* Hard timeout from original flow mod. */
+ ovs_be64 packet_count;
+ ovs_be64 byte_count;
+ /* struct ofp12_match match; Description of fields. Variable size. */
+};
+OFP_ASSERT(sizeof(struct ofp12_flow_removed) == 48);
+
+#endif /* openflow/openflow-1.2.h */
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