From 6b05acf8171a3fdb4f55a12f8af55cc25f222657 Mon Sep 17 00:00:00 2001 From: Simon Horman Date: Fri, 30 Mar 2012 11:30:01 +0900 Subject: [PATCH] Definitions for Open Flow 1.2 This is a first pass at adding include/openflow/openflow-1.2.h to include enum and struct definitions for Open Flow 1.2 that are not already covered by Open Flow 1.1. Signed-off-by: Simon Horman Signed-off-by: Ben Pfaff --- include/openflow/automake.mk | 3 + include/openflow/openflow-1.2.h | 319 +++++++++++++++++++++++++++++ include/openflow/openflow-common.h | 4 +- include/openflow/openflow.h | 1 + 4 files changed, 326 insertions(+), 1 deletion(-) create mode 100644 include/openflow/openflow-1.2.h diff --git a/include/openflow/automake.mk b/include/openflow/automake.mk index ac7412b76..4b7bc07fd 100644 --- a/include/openflow/automake.mk +++ b/include/openflow/automake.mk @@ -2,6 +2,7 @@ noinst_HEADERS += \ include/openflow/nicira-ext.h \ include/openflow/openflow-1.0.h \ include/openflow/openflow-1.1.h \ + include/openflow/openflow-1.2.h \ include/openflow/openflow-common.h \ include/openflow/openflow.h @@ -16,6 +17,7 @@ HSTAMP_FILES = \ include/openflow/nicira.hstamp \ include/openflow/openflow-1.0.hstamp \ include/openflow/openflow-1.1.hstamp \ + include/openflow/openflow-1.2.hstamp \ include/openflow/openflow.hstamp CLEANFILES += $(HSTAMP_FILES) ALL_LOCAL += $(HSTAMP_FILES) @@ -26,6 +28,7 @@ include/openflow/openflow-1.1.hstamp: include/openflow/openflow-common.h include/openflow/nicira-ext.hstamp: \ include/openflow/openflow-1.0.h \ include/openflow/openflow-1.1.h \ + include/openflow/openflow-1.2.h \ include/openflow/openflow-common.h \ include/openflow/openflow.h endif diff --git a/include/openflow/openflow-1.2.h b/include/openflow/openflow-1.2.h new file mode 100644 index 000000000..9254cf476 --- /dev/null +++ b/include/openflow/openflow-1.2.h @@ -0,0 +1,319 @@ +/* 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 */ diff --git a/include/openflow/openflow-common.h b/include/openflow/openflow-common.h index fd38b7294..9ef887378 100644 --- a/include/openflow/openflow-common.h +++ b/include/openflow/openflow-common.h @@ -73,6 +73,7 @@ */ #define OFP10_VERSION 0x01 #define OFP11_VERSION 0x02 +#define OFP12_VERSION 0x03 #define OFP_MAX_TABLE_NAME_LEN 32 #define OFP_MAX_PORT_NAME_LEN 16 @@ -189,7 +190,7 @@ struct ofp_switch_features { uint8_t pad[3]; /* Align to 64-bits. */ /* Features. */ - ovs_be32 capabilities; /* OFPC_*, OFPC10_*, OFPC11_*. */ + ovs_be32 capabilities; /* OFPC_*, OFPC10_*, OFPC11_*, OFPC12_*. */ ovs_be32 actions; /* Bitmap of supported "ofp_action_type"s. */ /* Followed by an array of struct ofp10_phy_port or struct ofp11_port @@ -251,6 +252,7 @@ OFP_ASSERT(sizeof(struct ofp_port_status) == 16); enum ofp_match_type { OFPMT_STANDARD = 0, /* The match fields defined in the ofp11_match structure apply */ + OFPMT_OXM = 1, /* OpenFlow Extensible Match */ }; #endif /* openflow/openflow-common.h */ diff --git a/include/openflow/openflow.h b/include/openflow/openflow.h index 769a0ad77..7ae750abc 100644 --- a/include/openflow/openflow.h +++ b/include/openflow/openflow.h @@ -19,5 +19,6 @@ #include "openflow/openflow-1.0.h" #include "openflow/openflow-1.1.h" +#include "openflow/openflow-1.2.h" #endif /* openflow/openflow.h */ -- 2.43.0