include/openflow/openflow-1.2.h

   1 /* Copyright (c) 2008, 2011, 2012 The Board of Trustees of The Leland Stanford
   2  * Junior University
   3  *
   4  * We are making the OpenFlow specification and associated documentation
   5  * (Software) available for public use and benefit with the expectation
   6  * that others will use, modify and enhance the Software and contribute
   7  * those enhancements back to the community. However, since we would
   8  * like to make the Software available for broadest use, with as few
   9  * restrictions as possible permission is hereby granted, free of
  10  * charge, to any person obtaining a copy of this Software to deal in
  11  * the Software under the copyrights without restriction, including
  12  * without limitation the rights to use, copy, modify, merge, publish,
  13  * distribute, sublicense, and/or sell copies of the Software, and to
  14  * permit persons to whom the Software is furnished to do so, subject to
  15  * the following conditions:
  16  *
  17  * The above copyright notice and this permission notice shall be
  18  * included in all copies or substantial portions of the Software.
  19  *
  20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23  * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  24  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  25  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  26  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  27  * SOFTWARE.
  28  *
  29  * The name and trademarks of copyright holder(s) may NOT be used in
  30  * advertising or publicity pertaining to the Software or any
  31  * derivatives without specific, written prior permission.
  32  */
  33
  34 /*
  35  * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
  36  * Copyright (c) 2012 Horms Solutions Ltd.
  37  *
  38  * Licensed under the Apache License, Version 2.0 (the "License");
  39  * you may not use this file except in compliance with the License.
  40  * You may obtain a copy of the License at:
  41  *
  42  *     http://www.apache.org/licenses/LICENSE-2.0
  43  *
  44  * Unless required by applicable law or agreed to in writing, software
  45  * distributed under the License is distributed on an "AS IS" BASIS,
  46  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  47  * See the License for the specific language governing permissions and
  48  * limitations under the License.
  49  */
  50
  51 /* OpenFlow: protocol between controller and datapath. */
  52
  53 #ifndef OPENFLOW_12_H
  54 #define OPENFLOW_12_H 1
  55
  56 #include "openflow/openflow-1.1.h"
  57
  58 /* OpenFlow 1.2 specific message types, in addition to the common message
  59  * types. */
  60 enum ofp12_type {
  61     /* Controller role change request messages. */
  62     OFPT12_ROLE_REQUEST = 24,   /* Controller/switch message */
  63     OFPT12_ROLE_REPLY,          /* Controller/switch message */
  64 };
  65
  66 /*
  67  * OXM Class IDs.
  68  * The high order bit differentiate reserved classes from member classes.
  69  * Classes 0x0000 to 0x7FFF are member classes, allocated by ONF.
  70  * Classes 0x8000 to 0xFFFE are reserved classes, reserved for standardisation.
  71  */
  72 enum ofp12_oxm_class {
  73     OFPXMC12_NXM_0          = 0x0000, /* Backward compatibility with NXM */
  74     OFPXMC12_NXM_1          = 0x0001, /* Backward compatibility with NXM */
  75     OFPXMC12_OPENFLOW_BASIC = 0x8000, /* Basic class for OpenFlow */
  76     OFPXMC12_EXPERIMENTER   = 0xffff, /* Experimenter class */
  77 };
  78
  79 /* OXM Flow match field types for OpenFlow basic class. */
  80 enum oxm12_ofb_match_fields {
  81     OFPXMT12_OFB_IN_PORT,        /* Switch input port. */
  82     OFPXMT12_OFB_IN_PHY_PORT,    /* Switch physical input port. */
  83     OFPXMT12_OFB_METADATA,       /* Metadata passed between tables. */
  84     OFPXMT12_OFB_ETH_DST,        /* Ethernet destination address. */
  85     OFPXMT12_OFB_ETH_SRC,        /* Ethernet source address. */
  86     OFPXMT12_OFB_ETH_TYPE,       /* Ethernet frame type. */
  87     OFPXMT12_OFB_VLAN_VID,       /* VLAN id. */
  88     OFPXMT12_OFB_VLAN_PCP,       /* VLAN priority. */
  89     OFPXMT12_OFB_IP_DSCP,        /* IP DSCP (6 bits in ToS field). */
  90     OFPXMT12_OFB_IP_ECN,         /* IP ECN (2 bits in ToS field). */
  91     OFPXMT12_OFB_IP_PROTO,       /* IP protocol. */
  92     OFPXMT12_OFB_IPV4_SRC,       /* IPv4 source address. */
  93     OFPXMT12_OFB_IPV4_DST,       /* IPv4 destination address. */
  94     OFPXMT12_OFB_TCP_SRC,        /* TCP source port. */
  95     OFPXMT12_OFB_TCP_DST,        /* TCP destination port. */
  96     OFPXMT12_OFB_UDP_SRC,        /* UDP source port. */
  97     OFPXMT12_OFB_UDP_DST,        /* UDP destination port. */
  98     OFPXMT12_OFB_SCTP_SRC,       /* SCTP source port. */
  99     OFPXMT12_OFB_SCTP_DST,       /* SCTP destination port. */
 100     OFPXMT12_OFB_ICMPV4_TYPE,    /* ICMP type. */
 101     OFPXMT12_OFB_ICMPV4_CODE,    /* ICMP code. */
 102     OFPXMT12_OFB_ARP_OP,         /* ARP opcode. */
 103     OFPXMT12_OFB_ARP_SPA,        /* ARP source IPv4 address. */
 104     OFPXMT12_OFB_ARP_TPA,        /* ARP target IPv4 address. */
 105     OFPXMT12_OFB_ARP_SHA,        /* ARP source hardware address. */
 106     OFPXMT12_OFB_ARP_THA,        /* ARP target hardware address. */
 107     OFPXMT12_OFB_IPV6_SRC,       /* IPv6 source address. */
 108     OFPXMT12_OFB_IPV6_DST,       /* IPv6 destination address. */
 109     OFPXMT12_OFB_IPV6_FLABEL,    /* IPv6 Flow Label */
 110     OFPXMT12_OFB_ICMPV6_TYPE,    /* ICMPv6 type. */
 111     OFPXMT12_OFB_ICMPV6_CODE,    /* ICMPv6 code. */
 112     OFPXMT12_OFB_IPV6_ND_TARGET, /* Target address for ND. */
 113     OFPXMT12_OFB_IPV6_ND_SLL,    /* Source link-layer for ND. */
 114     OFPXMT12_OFB_IPV6_ND_TLL,    /* Target link-layer for ND. */
 115     OFPXMT12_OFB_MPLS_LABEL,     /* MPLS label. */
 116     OFPXMT12_OFB_MPLS_TC,        /* MPLS TC. */
 117 };
 118
 119 /* OXM implementation makes use of NXM as they are the same format
 120  * with different field definitions
 121  */
 122
 123 #define OXM_HEADER(FIELD, LENGTH) \
 124         NXM_HEADER(OFPXMC12_OPENFLOW_BASIC, FIELD, LENGTH)
 125 #define OXM_HEADER_W(FIELD, LENGTH) \
 126         NXM_HEADER_W(OFPXMC12_OPENFLOW_BASIC, FIELD, LENGTH)
 127
 128 #define OXM_OF_IN_PORT        OXM_HEADER   (OFPXMT12_OFB_IN_PORT, 4)
 129 #define OXM_OF_IN_PHY_PORT    OXM_HEADER   (OFPXMT12_OFB_IN_PHY_PORT, 4)
 130 #define OXM_OF_METADATA       OXM_HEADER   (OFPXMT12_OFB_METADATA, 8)
 131 #define OXM_OF_ETH_DST        OXM_HEADER   (OFPXMT12_OFB_ETH_DST, 6)
 132 #define OXM_OF_ETH_DST_W      OXM_HEADER_W (OFPXMT12_OFB_ETH_DST, 6)
 133 #define OXM_OF_ETH_SRC        OXM_HEADER   (OFPXMT12_OFB_ETH_SRC, 6)
 134 #define OXM_OF_ETH_SRC_W      OXM_HEADER_W (OFPXMT12_OFB_ETH_SRC, 6)
 135 #define OXM_OF_ETH_TYPE       OXM_HEADER   (OFPXMT12_OFB_ETH_TYPE, 2)
 136 #define OXM_OF_VLAN_VID       OXM_HEADER   (OFPXMT12_OFB_VLAN_VID, 2)
 137 #define OXM_OF_VLAN_VID_W     OXM_HEADER_W (OFPXMT12_OFB_VLAN_VID, 2)
 138 #define OXM_OF_VLAN_PCP       OXM_HEADER   (OFPXMT12_OFB_VLAN_PCP, 1)
 139 #define OXM_OF_IP_DSCP        OXM_HEADER   (OFPXMT12_OFB_IP_DSCP, 1)
 140 #define OXM_OF_IP_ECN         OXM_HEADER   (OFPXMT12_OFB_IP_ECN, 1)
 141 #define OXM_OF_IP_PROTO       OXM_HEADER   (OFPXMT12_OFB_IP_PROTO, 1)
 142 #define OXM_OF_IPV4_SRC       OXM_HEADER   (OFPXMT12_OFB_IPV4_SRC, 4)
 143 #define OXM_OF_IPV4_SRC_W     OXM_HEADER_W (OFPXMT12_OFB_IPV4_SRC, 4)
 144 #define OXM_OF_IPV4_DST       OXM_HEADER   (OFPXMT12_OFB_IPV4_DST, 4)
 145 #define OXM_OF_IPV4_DST_W     OXM_HEADER_W (OFPXMT12_OFB_IPV4_DST, 4)
 146 #define OXM_OF_TCP_SRC        OXM_HEADER   (OFPXMT12_OFB_TCP_SRC, 2)
 147 #define OXM_OF_TCP_DST        OXM_HEADER   (OFPXMT12_OFB_TCP_DST, 2)
 148 #define OXM_OF_UDP_SRC        OXM_HEADER   (OFPXMT12_OFB_UDP_SRC, 2)
 149 #define OXM_OF_UDP_DST        OXM_HEADER   (OFPXMT12_OFB_UDP_DST, 2)
 150 #define OXM_OF_SCTP_SRC       OXM_HEADER   (OFPXMT12_OFB_SCTP_SRC, 2)
 151 #define OXM_OF_SCTP_DST       OXM_HEADER   (OFPXMT12_OFB_SCTP_DST, 2)
 152 #define OXM_OF_ICMPV4_TYPE    OXM_HEADER   (OFPXMT12_OFB_ICMPV4_TYPE, 1)
 153 #define OXM_OF_ICMPV4_CODE    OXM_HEADER   (OFPXMT12_OFB_ICMPV4_CODE, 1)
 154 #define OXM_OF_ARP_OP         OXM_HEADER   (OFPXMT12_OFB_ARP_OP, 2)
 155 #define OXM_OF_ARP_SPA        OXM_HEADER   (OFPXMT12_OFB_ARP_SPA, 4)
 156 #define OXM_OF_ARP_SPA_W      OXM_HEADER_W (OFPXMT12_OFB_ARP_SPA, 4)
 157 #define OXM_OF_ARP_TPA        OXM_HEADER   (OFPXMT12_OFB_ARP_TPA, 4)
 158 #define OXM_OF_ARP_TPA_W      OXM_HEADER_W (OFPXMT12_OFB_ARP_TPA, 4)
 159 #define OXM_OF_ARP_SHA        OXM_HEADER   (OFPXMT12_OFB_ARP_SHA, 6)
 160 #define OXM_OF_ARP_SHA_W      OXM_HEADER_W (OFPXMT12_OFB_ARP_SHA, 6)
 161 #define OXM_OF_ARP_THA        OXM_HEADER   (OFPXMT12_OFB_ARP_THA, 6)
 162 #define OXM_OF_ARP_THA_W      OXM_HEADER_W (OFPXMT12_OFB_ARP_THA, 6)
 163 #define OXM_OF_IPV6_SRC       OXM_HEADER   (OFPXMT12_OFB_IPV6_SRC, 16)
 164 #define OXM_OF_IPV6_SRC_W     OXM_HEADER_W (OFPXMT12_OFB_IPV6_SRC, 16)
 165 #define OXM_OF_IPV6_DST       OXM_HEADER   (OFPXMT12_OFB_IPV6_DST, 16)
 166 #define OXM_OF_IPV6_DST_W     OXM_HEADER_W (OFPXMT12_OFB_IPV6_DST, 16)
 167 #define OXM_OF_IPV6_FLABEL    OXM_HEADER   (OFPXMT12_OFB_IPV6_FLABEL, 4)
 168 #define OXM_OF_IPV6_FLABEL_W  OXM_HEADER_W (OFPXMT12_OFB_IPV6_FLABEL, 4)
 169 #define OXM_OF_ICMPV6_TYPE    OXM_HEADER   (OFPXMT12_OFB_ICMPV6_TYPE, 1)
 170 #define OXM_OF_ICMPV6_CODE    OXM_HEADER   (OFPXMT12_OFB_ICMPV6_CODE, 1)
 171 #define OXM_OF_IPV6_ND_TARGET OXM_HEADER   (OFPXMT12_OFB_IPV6_ND_TARGET, 16)
 172 #define OXM_OF_IPV6_ND_SLL    OXM_HEADER   (OFPXMT12_OFB_IPV6_ND_SLL, 6)
 173 #define OXM_OF_IPV6_ND_TLL    OXM_HEADER   (OFPXMT12_OFB_IPV6_ND_TLL, 6)
 174 #define OXM_OF_MPLS_LABEL     OXM_HEADER   (OFPXMT12_OFB_MPLS_LABEL, 4)
 175 #define OXM_OF_MPLS_TC        OXM_HEADER   (OFPXMT12_OFB_MPLS_TC, 1)
 176
 177 /* The VLAN id is 12-bits, so we can use the entire 16 bits to indicate
 178  * special conditions.
 179  */
 180 enum ofp12_vlan_id {
 181     OFPVID12_PRESENT = 0x1000, /* Bit that indicate that a VLAN id is set */
 182     OFPVID12_NONE    = 0x0000, /* No VLAN id was set. */
 183 };
 184
 185 /* Header for OXM experimenter match fields. */
 186 struct ofp12_oxm_experimenter_header {
 187     ovs_be32 oxm_header;   /* oxm_class = OFPXMC_EXPERIMENTER */
 188     ovs_be32 experimenter; /* Experimenter ID which takes the same
 189                               form as in struct ofp11_experimenter_header. */
 190 };
 191 OFP_ASSERT(sizeof(struct ofp12_oxm_experimenter_header) == 8);
 192
 193 enum ofp12_action_type {
 194     OFPAT12_OUTPUT       = 0,  /* Output to switch port. */
 195     OFPAT12_COPY_TTL_OUT = 11, /* Copy TTL "outwards" -- from next-to-outermost
 196                                   to outermost */
 197     OFPAT12_COPY_TTL_IN,       /* Copy TTL "inwards" -- from outermost to
 198                                   next-to-outermost */
 199     OFPAT12_SET_MPLS_TTL,      /* MPLS TTL */
 200     OFPAT12_DEC_MPLS_TTL,      /* Decrement MPLS TTL */
 201     OFPAT12_PUSH_VLAN,         /* Push a new VLAN tag */
 202     OFPAT12_POP_VLAN,          /* Pop the outer VLAN tag */
 203     OFPAT12_PUSH_MPLS,         /* Push a new MPLS tag */
 204     OFPAT12_POP_MPLS,          /* Pop the outer MPLS tag */
 205     OFPAT12_SET_QUEUE,         /* Set queue id when outputting to a port */
 206     OFPAT12_GROUP,             /* Apply group. */
 207     OFPAT12_SET_NW_TTL,        /* IP TTL. */
 208     OFPAT12_DEC_NW_TTL,        /* Decrement IP TTL. */
 209     OFPAT12_SET_FIELD,         /* Set a header field using OXM TLV format. */
 210     OFPAT12_EXPERIMENTER = 0xffff
 211 };
 212
 213 enum ofp12_controller_max_len {
 214         OFPCML12_MAX       = 0xffe5, /* maximum max_len value which can be used
 215                                       * to request a specific byte length. */
 216         OFPCML12_NO_BUFFER = 0xffff  /* indicates that no buffering should be
 217                                       * applied and the whole packet is to be
 218                                       * sent to the controller. */
 219 };
 220
 221 /* Action structure for OFPAT12_SET_FIELD. */
 222 struct ofp12_action_set_field {
 223     ovs_be16 type;                  /* OFPAT12_SET_FIELD. */
 224     ovs_be16 len;                   /* Length is padded to 64 bits. */
 225     /* Followed by:
 226      * - Exactly oxm_len bytes containing a single OXM TLV, then
 227      * - Exactly ((oxm_len + 4) + 7)/8*8 - (oxm_len + 4) (between 0 and 7)
 228      *   bytes of all-zero bytes
 229      */
 230     uint8_t field[4];               /* OXM TLV - Make compiler happy */
 231 };
 232 OFP_ASSERT(sizeof(struct ofp12_action_set_field) == 8);
 233
 234 /* OpenFlow 1.2 specific flags
 235  * (struct ofp12_flow_mod, member flags). */
 236 enum ofp12_flow_mod_flags {
 237     OFPFF12_RESET_COUNTS  = 1 << 2   /* Reset flow packet and byte counts. */
 238 };
 239
 240 /* OpenFlow 1.2 specific capabilities
 241  * (struct ofp_switch_features, member capabilities). */
 242 enum ofp12_capabilities {
 243     OFPC12_PORT_BLOCKED   = 1 << 8   /* Switch will block looping ports. */
 244 };
 245
 246 /* OpenFlow 1.2 specific types
 247  * (struct ofp11_stats_request/reply, member type). */
 248 enum ofp12_stats_types {
 249     /* Group features.
 250      * The request body is empty.
 251      * The reply body is struct ofp12_group_features_stats. */
 252     OFPST12_GROUP_FEATURES = 8
 253 };
 254
 255 /* OpenFlow 1.2 specific properties
 256  * (struct ofp_queue_prop_header member property). */
 257 enum ofp12_queue_properties {
 258     OFPQT12_MIN_RATE = 1,         /* Minimum datarate guaranteed. */
 259     OFPQT12_MAX_RATE = 2,         /* Maximum datarate. */
 260     OFPQT12_EXPERIMENTER = 0xffff /* Experimenter defined property. */
 261 };
 262
 263 /* Body of reply to OFPST_TABLE request. */
 264 struct ofp12_table_stats {
 265     struct ofp11_stats_msg osm;
 266     uint8_t table_id;        /* Identifier of table.  Lower numbered tables
 267                                 are consulted first. */
 268     uint8_t pad[7];          /* Align to 64-bits. */
 269     char name[OFP_MAX_TABLE_NAME_LEN];
 270     ovs_be64 match;          /* Bitmap of (1 << OFPXMT_*) that indicate the
 271                                 fields the table can match on. */
 272     ovs_be64 wildcards;      /* Bitmap of (1 << OFPXMT_*) wildcards that are
 273                                 supported by the table. */
 274     ovs_be32 write_actions;  /* Bitmap of OFPAT_* that are supported
 275                                 by the table with OFPIT_WRITE_ACTIONS. */
 276     ovs_be32 apply_actions;  /* Bitmap of OFPAT_* that are supported
 277                                 by the table with OFPIT_APPLY_ACTIONS. */
 278     ovs_be64 write_setfields;/* Bitmap of (1 << OFPXMT_*) header fields that
 279                                 can be set with OFPIT_WRITE_ACTIONS. */
 280     ovs_be64 apply_setfields;/* Bitmap of (1 << OFPXMT_*) header fields that
 281                                 can be set with OFPIT_APPLY_ACTIONS. */
 282     ovs_be64 metadata_match; /* Bits of metadata table can match. */
 283     ovs_be64 metadata_write; /* Bits of metadata table can write. */
 284     ovs_be32 instructions;   /* Bitmap of OFPIT_* values supported. */
 285     ovs_be32 config;         /* Bitmap of OFPTC_* values */
 286     ovs_be32 max_entries;    /* Max number of entries supported. */
 287     ovs_be32 active_count;   /* Number of active entries. */
 288     ovs_be64 lookup_count;   /* Number of packets looked up in table. */
 289     ovs_be64 matched_count;  /* Number of packets that hit table. */
 290 };
 291 OFP_ASSERT(sizeof(struct ofp12_table_stats) == 144);
 292
 293 /* Body of reply to OFPST12_GROUP_FEATURES request. Group features. */
 294 struct ofp12_group_features_stats {
 295     struct ofp11_stats_msg osm;
 296     ovs_be32  types;           /* Bitmap of OFPGT_* values supported. */
 297     ovs_be32  capabilities;    /* Bitmap of OFPGFC12_* capability supported. */
 298     ovs_be32  max_groups[4];   /* Maximum number of groups for each type. */
 299     ovs_be32  actions[4];      /* Bitmaps of OFPAT_* that are supported. */
 300 };
 301 OFP_ASSERT(sizeof(struct ofp12_group_features_stats) == 56);
 302
 303 /* Group configuration flags */
 304 enum ofp12_group_capabilities {
 305     OFPGFC12_SELECT_WEIGHT   = 1 << 0, /* Support weight for select groups */
 306     OFPGFC12_SELECT_LIVENESS = 1 << 1, /* Support liveness for select groups */
 307     OFPGFC12_CHAINING        = 1 << 2, /* Support chaining groups */
 308     OFPGFC12_CHAINING_CHECKS = 1 << 3, /* Check chaining for loops and delete */
 309 };
 310
 311 /* Body for ofp12_stats_request/reply of type OFPST_EXPERIMENTER. */
 312 struct ofp12_experimenter_stats_header {
 313     ovs_be32 experimenter;    /* Experimenter ID which takes the same form
 314                                  as in struct ofp_experimenter_header. */
 315     ovs_be32 exp_type;        /* Experimenter defined. */
 316     /* Experimenter-defined arbitrary additional data. */
 317 };
 318 OFP_ASSERT(sizeof(struct ofp12_experimenter_stats_header) == 8);
 319
 320 /* Role request and reply message. */
 321 struct ofp12_role_request {
 322     struct ofp_header header; /* Type OFPT12_ROLE_REQUEST/OFPT12_ROLE_REPLY. */
 323     ovs_be32 role;            /* One of OFPCR12_ROLE_*. */
 324     uint8_t pad[4];           /* Align to 64 bits. */
 325     ovs_be64 generation_id;   /* Master Election Generation Id */
 326 };
 327 OFP_ASSERT(sizeof(struct ofp12_role_request) == 24);
 328
 329 /* Controller roles. */
 330 enum ofp12_controller_role {
 331     OFPCR12_ROLE_NOCHANGE,    /* Don't change current role. */
 332     OFPCR12_ROLE_EQUAL,       /* Default role, full access. */
 333     OFPCR12_ROLE_MASTER,      /* Full access, at most one master. */
 334     OFPCR12_ROLE_SLAVE,       /* Read-only access. */
 335 };
 336
 337 /* Packet received on port (datapath -> controller). */
 338 struct ofp12_packet_in {
 339     struct ofp_header header;
 340     ovs_be32 buffer_id;     /* ID assigned by datapath. */
 341     ovs_be16 total_len;     /* Full length of frame. */
 342     uint8_t reason;         /* Reason packet is being sent (one of OFPR_*) */
 343     uint8_t table_id;       /* ID of the table that was looked up */
 344     /* Followed by:
 345      *   - Match
 346      *   - Exactly 2 all-zero padding bytes, then
 347      *   - An Ethernet frame whose length is inferred from header.length.
 348      * The padding bytes preceding the Ethernet frame ensure that the IP
 349      * header (if any) following the Ethernet header is 32-bit aligned.
 350      */
 351     /* struct ofp12_match match; */
 352     /* uint8_t pad[2];         Align to 64 bit + 16 bit */
 353     /* uint8_t data[0];        Ethernet frame */
 354 };
 355 OFP_ASSERT(sizeof(struct ofp12_packet_in) == 16);
 356
 357 /* Flow removed (datapath -> controller). */
 358 struct ofp12_flow_removed {
 359     struct ofp_header header;
 360     ovs_be64 cookie;          /* Opaque controller-issued identifier. */
 361
 362     ovs_be16 priority;        /* Priority level of flow entry. */
 363     uint8_t reason;           /* One of OFPRR_*. */
 364     uint8_t table_id;         /* ID of the table */
 365
 366     ovs_be32 duration_sec;    /* Time flow was alive in seconds. */
 367     ovs_be32 duration_nsec;   /* Time flow was alive in nanoseconds beyond
 368                                  duration_sec. */
 369     ovs_be16 idle_timeout;    /* Idle timeout from original flow mod. */
 370     ovs_be16 hard_timeout;    /* Hard timeout from original flow mod. */
 371     ovs_be64 packet_count;
 372     ovs_be64 byte_count;
 373     /* struct ofp12_match match;  Description of fields. Variable size. */
 374 };
 375 OFP_ASSERT(sizeof(struct ofp12_flow_removed) == 48);
 376
 377 #endif /* openflow/openflow-1.2.h */