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openvswitch/include/openflow/openflow-1.2.h
Ben Pfaff 52ca734e82 meta-flow: Use OXM-defined constant for TCP flags in OpenFlow 1.5. 
This also adds the definitions of a few other OXM headers we didn't have
yet.

EXT-109.
Signed-off-by: Ben Pfaff <blp@nicira.com>
2014-05-14 10:33:35 -07:00

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/* Copyright (c) 2008, 2011, 2012, 2013, 2014 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, Inc.
* 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"
/* Error type for experimenter error messages. */
#define OFPET12_EXPERIMENTER 0xffff
/*
* 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 = 0x8000, /* Basic class for OpenFlow */
OFPXMC12_EXPERIMENTER = 0xffff, /* 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. */
#define OFPXMT12_MASK ((1ULL << (OFPXMT12_OFB_MPLS_TC + 1)) - 1)
/* Following added in OpenFlow 1.3 */
OFPXMT13_OFB_MPLS_BOS, /* MPLS BoS bit. */
OFPXMT13_OFB_PBB_ISID, /* PBB I-SID. */
OFPXMT13_OFB_TUNNEL_ID, /* Logical Port Metadata */
OFPXMT13_OFB_IPV6_EXTHDR, /* IPv6 Extension Header pseudo-field */
#define OFPXMT13_MASK ((1ULL << (OFPXMT13_OFB_IPV6_EXTHDR + 1)) - 1)
/* Following added in OpenFlow 1.4. */
OFPXMT14_OFB_PBB_UCA = 41, /* PBB UCA header field. */
#define OFPXMT14_MASK (1ULL << OFPXMT14_OFB_PBB_UCA)
/* Following added in OpenFlow 1.5. */
OFPXMT15_OFB_TCP_FLAGS = 42, /* TCP flags. */
#define OFPXMT15_MASK (1ULL << OFPXMT15_OFB_TCP_FLAGS)
};
/* OXM implementation makes use of NXM as they are the same format
* with different field definitions
*/
#define OXM_HEADER(FIELD, LENGTH) \
NXM_HEADER(OFPXMC12_OPENFLOW_BASIC, FIELD, LENGTH)
#define OXM_HEADER_W(FIELD, LENGTH) \
NXM_HEADER_W(OFPXMC12_OPENFLOW_BASIC, FIELD, LENGTH)
#define IS_OXM_HEADER(header) (NXM_VENDOR(header) == OFPXMC12_OPENFLOW_BASIC)
#define OXM_OF_IN_PORT OXM_HEADER (OFPXMT12_OFB_IN_PORT, 4)
#define OXM_OF_IN_PHY_PORT OXM_HEADER (OFPXMT12_OFB_IN_PHY_PORT, 4)
#define OXM_OF_METADATA OXM_HEADER (OFPXMT12_OFB_METADATA, 8)
#define OXM_OF_ETH_DST OXM_HEADER (OFPXMT12_OFB_ETH_DST, 6)
#define OXM_OF_ETH_DST_W OXM_HEADER_W (OFPXMT12_OFB_ETH_DST, 6)
#define OXM_OF_ETH_SRC OXM_HEADER (OFPXMT12_OFB_ETH_SRC, 6)
#define OXM_OF_ETH_SRC_W OXM_HEADER_W (OFPXMT12_OFB_ETH_SRC, 6)
#define OXM_OF_ETH_TYPE OXM_HEADER (OFPXMT12_OFB_ETH_TYPE, 2)
#define OXM_OF_VLAN_VID OXM_HEADER (OFPXMT12_OFB_VLAN_VID, 2)
#define OXM_OF_VLAN_VID_W OXM_HEADER_W (OFPXMT12_OFB_VLAN_VID, 2)
#define OXM_OF_VLAN_PCP OXM_HEADER (OFPXMT12_OFB_VLAN_PCP, 1)
#define OXM_OF_IP_DSCP OXM_HEADER (OFPXMT12_OFB_IP_DSCP, 1)
#define OXM_OF_IP_ECN OXM_HEADER (OFPXMT12_OFB_IP_ECN, 1)
#define OXM_OF_IP_PROTO OXM_HEADER (OFPXMT12_OFB_IP_PROTO, 1)
#define OXM_OF_IPV4_SRC OXM_HEADER (OFPXMT12_OFB_IPV4_SRC, 4)
#define OXM_OF_IPV4_SRC_W OXM_HEADER_W (OFPXMT12_OFB_IPV4_SRC, 4)
#define OXM_OF_IPV4_DST OXM_HEADER (OFPXMT12_OFB_IPV4_DST, 4)
#define OXM_OF_IPV4_DST_W OXM_HEADER_W (OFPXMT12_OFB_IPV4_DST, 4)
#define OXM_OF_TCP_SRC OXM_HEADER (OFPXMT12_OFB_TCP_SRC, 2)
#define OXM_OF_TCP_DST OXM_HEADER (OFPXMT12_OFB_TCP_DST, 2)
#define OXM_OF_UDP_SRC OXM_HEADER (OFPXMT12_OFB_UDP_SRC, 2)
#define OXM_OF_UDP_DST OXM_HEADER (OFPXMT12_OFB_UDP_DST, 2)
#define OXM_OF_SCTP_SRC OXM_HEADER (OFPXMT12_OFB_SCTP_SRC, 2)
#define OXM_OF_SCTP_DST OXM_HEADER (OFPXMT12_OFB_SCTP_DST, 2)
#define OXM_OF_ICMPV4_TYPE OXM_HEADER (OFPXMT12_OFB_ICMPV4_TYPE, 1)
#define OXM_OF_ICMPV4_CODE OXM_HEADER (OFPXMT12_OFB_ICMPV4_CODE, 1)
#define OXM_OF_ARP_OP OXM_HEADER (OFPXMT12_OFB_ARP_OP, 2)
#define OXM_OF_ARP_SPA OXM_HEADER (OFPXMT12_OFB_ARP_SPA, 4)
#define OXM_OF_ARP_SPA_W OXM_HEADER_W (OFPXMT12_OFB_ARP_SPA, 4)
#define OXM_OF_ARP_TPA OXM_HEADER (OFPXMT12_OFB_ARP_TPA, 4)
#define OXM_OF_ARP_TPA_W OXM_HEADER_W (OFPXMT12_OFB_ARP_TPA, 4)
#define OXM_OF_ARP_SHA OXM_HEADER (OFPXMT12_OFB_ARP_SHA, 6)
#define OXM_OF_ARP_SHA_W OXM_HEADER_W (OFPXMT12_OFB_ARP_SHA, 6)
#define OXM_OF_ARP_THA OXM_HEADER (OFPXMT12_OFB_ARP_THA, 6)
#define OXM_OF_ARP_THA_W OXM_HEADER_W (OFPXMT12_OFB_ARP_THA, 6)
#define OXM_OF_IPV6_SRC OXM_HEADER (OFPXMT12_OFB_IPV6_SRC, 16)
#define OXM_OF_IPV6_SRC_W OXM_HEADER_W (OFPXMT12_OFB_IPV6_SRC, 16)
#define OXM_OF_IPV6_DST OXM_HEADER (OFPXMT12_OFB_IPV6_DST, 16)
#define OXM_OF_IPV6_DST_W OXM_HEADER_W (OFPXMT12_OFB_IPV6_DST, 16)
#define OXM_OF_IPV6_FLABEL OXM_HEADER (OFPXMT12_OFB_IPV6_FLABEL, 4)
#define OXM_OF_IPV6_FLABEL_W OXM_HEADER_W (OFPXMT12_OFB_IPV6_FLABEL, 4)
#define OXM_OF_ICMPV6_TYPE OXM_HEADER (OFPXMT12_OFB_ICMPV6_TYPE, 1)
#define OXM_OF_ICMPV6_CODE OXM_HEADER (OFPXMT12_OFB_ICMPV6_CODE, 1)
#define OXM_OF_IPV6_ND_TARGET OXM_HEADER (OFPXMT12_OFB_IPV6_ND_TARGET, 16)
#define OXM_OF_IPV6_ND_SLL OXM_HEADER (OFPXMT12_OFB_IPV6_ND_SLL, 6)
#define OXM_OF_IPV6_ND_TLL OXM_HEADER (OFPXMT12_OFB_IPV6_ND_TLL, 6)
#define OXM_OF_MPLS_LABEL OXM_HEADER (OFPXMT12_OFB_MPLS_LABEL, 4)
#define OXM_OF_MPLS_TC OXM_HEADER (OFPXMT12_OFB_MPLS_TC, 1)
#define OXM_OF_MPLS_BOS OXM_HEADER (OFPXMT13_OFB_MPLS_BOS, 1)
#define OXM_OF_PBB_ISID OXM_HEADER (OFPXMT12_OFB_PBB_ISID, 3)
#define OXM_OF_PBB_ISID_W OXM_HEADER_W (OFPXMT12_OFB_PBB_ISID, 3)
#define OXM_OF_TUNNEL_ID OXM_HEADER (OFPXMT13_OFB_TUNNEL_ID, 8)
#define OXM_OF_TUNNEL_ID_W OXM_HEADER_W (OFPXMT13_OFB_TUNNEL_ID, 8)
#define OXM_OF_IPV6_EXTHDR OXM_HEADER (OFPXMT13_OFB_IPV6_EXTHDR, 2)
#define OXM_OF_IPV6_EXTHDR_W OXM_HEADER_W (OFPXMT13_OFB_IPV6_EXTHDR, 2)
#define OXM_OF_PBB_UCA OXM_HEADER (OFPXMT14_OFB_PBB_UCA, 1)
#define OXM_OF_TCP_FLAGS OXM_HEADER (OFPXMT15_OFB_TCP_FLAGS, 2)
#define OXM_OF_TCP_FLAGS_W OXM_HEADER_W (OFPXMT15_OFB_TCP_FLAGS, 2)
/* 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. */
};
/* Bit definitions for IPv6 Extension Header pseudo-field. */
enum ofp12_ipv6exthdr_flags {
OFPIEH12_NONEXT = 1 << 0, /* "No next header" encountered. */
OFPIEH12_ESP = 1 << 1, /* Encrypted Sec Payload header present. */
OFPIEH12_AUTH = 1 << 2, /* Authentication header present. */
OFPIEH12_DEST = 1 << 3, /* 1 or 2 dest headers present. */
OFPIEH12_FRAG = 1 << 4, /* Fragment header present. */
OFPIEH12_ROUTER = 1 << 5, /* Router header present. */
OFPIEH12_HOP = 1 << 6, /* Hop-by-hop header present. */
OFPIEH12_UNREP = 1 << 7, /* Unexpected repeats encountered. */
OFPIEH12_UNSEQ = 1 << 8 /* Unexpected sequencing encountered. */
};
/* 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_SET_FIELD = 25, /* Set a header field using OXM TLV format. */
};
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. */
ovs_be32 dst; /* OXM TLV header */
/* Followed by:
* - Exactly ((oxm_len + 4) + 7)/8*8 - (oxm_len + 4) (between 0 and 7)
* bytes of all-zero bytes
*/
};
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. */
};
/* Full description for a queue. */
struct ofp12_packet_queue {
ovs_be32 queue_id; /* id for the specific queue. */
ovs_be32 port; /* Port this queue is attached to. */
ovs_be16 len; /* Length in bytes of this queue desc. */
uint8_t pad[6]; /* 64-bit alignment. */
/* Followed by any number of queue properties expressed using
* ofp_queue_prop_header, to fill out a total of 'len' bytes. */
};
OFP_ASSERT(sizeof(struct ofp12_packet_queue) == 16);
/* Body of reply to OFPST_TABLE request. */
struct ofp12_table_stats {
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) == 128);
/* Body of reply to OFPST12_GROUP_FEATURES request. Group features. */
struct ofp12_group_features_stats {
ovs_be32 types; /* Bitmap of OFPGT11_* 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) == 40);
/* 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 {
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) == 16);
/* 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 {
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) == 8);
/* Flow removed (datapath -> controller). */
struct ofp12_flow_removed {
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) == 40);
#endif /* openflow/openflow-1.2.h */
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