1 /* Copyright (c) 2008, 2011, 2012 The Board of Trustees of The Leland Stanford
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:
17 * The above copyright notice and this permission notice shall be
18 * included in all copies or substantial portions of the Software.
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
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.
35 * Copyright (c) 2008, 2009, 2010, 2011 Nicira, Inc.
37 * Licensed under the Apache License, Version 2.0 (the "License");
38 * you may not use this file except in compliance with the License.
39 * You may obtain a copy of the License at:
41 * http://www.apache.org/licenses/LICENSE-2.0
43 * Unless required by applicable law or agreed to in writing, software
44 * distributed under the License is distributed on an "AS IS" BASIS,
45 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
46 * See the License for the specific language governing permissions and
47 * limitations under the License.
50 /* OpenFlow: protocol between controller and datapath. */
53 #define OPENFLOW_11_H 1
55 #include "openflow/openflow-common.h"
57 /* OpenFlow 1.1 uses 32-bit port numbers. Open vSwitch, for now, uses OpenFlow
58 * 1.0 port numbers internally. We map them to OpenFlow 1.0 as follows:
61 * ----------------------- ---------------
62 * 0x00000000...0x0000feff <=> 0x0000...0xfeff "physical" ports
63 * 0x0000ff00...0xfffffeff <=> not supported
64 * 0xffffff00...0xffffffff <=> 0xff00...0xffff "reserved" OFPP_* ports
66 * OFPP11_OFFSET is the value that must be added or subtracted to convert
67 * an OpenFlow 1.0 reserved port number to or from, respectively, the
68 * corresponding OpenFlow 1.1 reserved port number.
70 #define OFPP11_MAX 0xffffff00
71 #define OFPP11_OFFSET (OFPP11_MAX - OFPP_MAX)
73 /* OpenFlow 1.1 port config flags are just the common flags. */
75 (OFPPC_PORT_DOWN | OFPPC_NO_RECV | OFPPC_NO_FWD | OFPPC_NO_PACKET_IN)
77 /* OpenFlow 1.1 specific current state of the physical port. These are not
78 * configurable from the controller.
80 enum ofp11_port_state {
81 OFPPS11_BLOCKED = 1 << 1, /* Port is blocked */
82 OFPPS11_LIVE = 1 << 2, /* Live for Fast Failover Group. */
83 #define OFPPS11_ALL (OFPPS_LINK_DOWN | OFPPS11_BLOCKED | OFPPS11_LIVE)
86 /* OpenFlow 1.1 specific features of ports available in a datapath. */
87 enum ofp11_port_features {
88 OFPPF11_40GB_FD = 1 << 7, /* 40 Gb full-duplex rate support. */
89 OFPPF11_100GB_FD = 1 << 8, /* 100 Gb full-duplex rate support. */
90 OFPPF11_1TB_FD = 1 << 9, /* 1 Tb full-duplex rate support. */
91 OFPPF11_OTHER = 1 << 10, /* Other rate, not in the list. */
93 OFPPF11_COPPER = 1 << 11, /* Copper medium. */
94 OFPPF11_FIBER = 1 << 12, /* Fiber medium. */
95 OFPPF11_AUTONEG = 1 << 13, /* Auto-negotiation. */
96 OFPPF11_PAUSE = 1 << 14, /* Pause. */
97 OFPPF11_PAUSE_ASYM = 1 << 15 /* Asymmetric pause. */
98 #define OFPPF11_ALL ((1 << 16) - 1)
101 /* Description of a port */
105 uint8_t hw_addr[OFP_ETH_ALEN];
106 uint8_t pad2[2]; /* Align to 64 bits. */
107 char name[OFP_MAX_PORT_NAME_LEN]; /* Null-terminated */
109 ovs_be32 config; /* Bitmap of OFPPC_* flags. */
110 ovs_be32 state; /* Bitmap of OFPPS_* and OFPPS11_* flags. */
112 /* Bitmaps of OFPPF_* and OFPPF11_* that describe features. All bits
113 * zeroed if unsupported or unavailable. */
114 ovs_be32 curr; /* Current features. */
115 ovs_be32 advertised; /* Features being advertised by the port. */
116 ovs_be32 supported; /* Features supported by the port. */
117 ovs_be32 peer; /* Features advertised by peer. */
119 ovs_be32 curr_speed; /* Current port bitrate in kbps. */
120 ovs_be32 max_speed; /* Max port bitrate in kbps */
123 /* Modify behavior of the physical port */
124 struct ofp11_port_mod {
127 uint8_t hw_addr[OFP_ETH_ALEN]; /* The hardware address is not
128 configurable. This is used to
129 sanity-check the request, so it must
130 be the same as returned in an
131 ofp11_port struct. */
132 uint8_t pad2[2]; /* Pad to 64 bits. */
133 ovs_be32 config; /* Bitmap of OFPPC_* flags. */
134 ovs_be32 mask; /* Bitmap of OFPPC_* flags to be changed. */
136 ovs_be32 advertise; /* Bitmap of OFPPF_* and OFPPF11_*. Zero all bits
137 to prevent any action taking place. */
138 uint8_t pad3[4]; /* Pad to 64 bits. */
140 OFP_ASSERT(sizeof(struct ofp11_port_mod) == 32);
142 /* Group setup and teardown (controller -> datapath). */
143 struct ofp11_group_mod {
144 ovs_be16 command; /* One of OFPGC_*. */
145 uint8_t type; /* One of OFPGT_*. */
146 uint8_t pad; /* Pad to 64 bits. */
147 ovs_be32 group_id; /* Group identifier. */
148 /* struct ofp11_bucket buckets[0]; The bucket length is inferred from the
149 length field in the header. */
151 OFP_ASSERT(sizeof(struct ofp11_group_mod) == 8);
153 /* Query for port queue configuration. */
154 struct ofp11_queue_get_config_request {
156 /* Port to be queried. Should refer
157 to a valid physical port (i.e. < OFPP_MAX) */
160 OFP_ASSERT(sizeof(struct ofp11_queue_get_config_request) == 8);
163 enum ofp11_group_mod_command {
164 OFPGC11_ADD, /* New group. */
165 OFPGC11_MODIFY, /* Modify all matching groups. */
166 OFPGC11_DELETE, /* Delete all matching groups. */
169 /* OpenFlow 1.1 specific capabilities supported by the datapath (struct
170 * ofp_switch_features, member capabilities). */
171 enum ofp11_capabilities {
172 OFPC11_GROUP_STATS = 1 << 3, /* Group statistics. */
175 enum ofp11_action_type {
176 OFPAT11_OUTPUT, /* Output to switch port. */
177 OFPAT11_SET_VLAN_VID, /* Set the 802.1q VLAN id. */
178 OFPAT11_SET_VLAN_PCP, /* Set the 802.1q priority. */
179 OFPAT11_SET_DL_SRC, /* Ethernet source address. */
180 OFPAT11_SET_DL_DST, /* Ethernet destination address. */
181 OFPAT11_SET_NW_SRC, /* IP source address. */
182 OFPAT11_SET_NW_DST, /* IP destination address. */
183 OFPAT11_SET_NW_TOS, /* IP ToS (DSCP field, 6 bits). */
184 OFPAT11_SET_NW_ECN, /* IP ECN (2 bits). */
185 OFPAT11_SET_TP_SRC, /* TCP/UDP/SCTP source port. */
186 OFPAT11_SET_TP_DST, /* TCP/UDP/SCTP destination port. */
187 OFPAT11_COPY_TTL_OUT, /* Copy TTL "outwards" -- from next-to-outermost
189 OFPAT11_COPY_TTL_IN, /* Copy TTL "inwards" -- from outermost to
191 OFPAT11_SET_MPLS_LABEL, /* MPLS label */
192 OFPAT11_SET_MPLS_TC, /* MPLS TC */
193 OFPAT11_SET_MPLS_TTL, /* MPLS TTL */
194 OFPAT11_DEC_MPLS_TTL, /* Decrement MPLS TTL */
196 OFPAT11_PUSH_VLAN, /* Push a new VLAN tag */
197 OFPAT11_POP_VLAN, /* Pop the outer VLAN tag */
198 OFPAT11_PUSH_MPLS, /* Push a new MPLS tag */
199 OFPAT11_POP_MPLS, /* Pop the outer MPLS tag */
200 OFPAT11_SET_QUEUE, /* Set queue id when outputting to a port */
201 OFPAT11_GROUP, /* Apply group. */
202 OFPAT11_SET_NW_TTL, /* IP TTL. */
203 OFPAT11_DEC_NW_TTL, /* Decrement IP TTL. */
204 OFPAT11_EXPERIMENTER = 0xffff
207 #define OFPMT11_STANDARD_LENGTH 88
209 struct ofp11_match_header {
210 ovs_be16 type; /* One of OFPMT_* */
211 ovs_be16 length; /* Length of match */
213 OFP_ASSERT(sizeof(struct ofp11_match_header) == 4);
215 /* Fields to match against flows */
217 struct ofp11_match_header omh;
218 ovs_be32 in_port; /* Input switch port. */
219 ovs_be32 wildcards; /* Wildcard fields. */
220 uint8_t dl_src[OFP_ETH_ALEN]; /* Ethernet source address. */
221 uint8_t dl_src_mask[OFP_ETH_ALEN]; /* Ethernet source address mask. */
222 uint8_t dl_dst[OFP_ETH_ALEN]; /* Ethernet destination address. */
223 uint8_t dl_dst_mask[OFP_ETH_ALEN]; /* Ethernet destination address mask. */
224 ovs_be16 dl_vlan; /* Input VLAN id. */
225 uint8_t dl_vlan_pcp; /* Input VLAN priority. */
226 uint8_t pad1[1]; /* Align to 32-bits */
227 ovs_be16 dl_type; /* Ethernet frame type. */
228 uint8_t nw_tos; /* IP ToS (actually DSCP field, 6 bits). */
229 uint8_t nw_proto; /* IP protocol or lower 8 bits of ARP opcode. */
230 ovs_be32 nw_src; /* IP source address. */
231 ovs_be32 nw_src_mask; /* IP source address mask. */
232 ovs_be32 nw_dst; /* IP destination address. */
233 ovs_be32 nw_dst_mask; /* IP destination address mask. */
234 ovs_be16 tp_src; /* TCP/UDP/SCTP source port. */
235 ovs_be16 tp_dst; /* TCP/UDP/SCTP destination port. */
236 ovs_be32 mpls_label; /* MPLS label. */
237 uint8_t mpls_tc; /* MPLS TC. */
238 uint8_t pad2[3]; /* Align to 64-bits */
239 ovs_be64 metadata; /* Metadata passed between tables. */
240 ovs_be64 metadata_mask; /* Mask for metadata. */
242 OFP_ASSERT(sizeof(struct ofp11_match) == OFPMT11_STANDARD_LENGTH);
244 /* Flow wildcards. */
245 enum ofp11_flow_wildcards {
246 OFPFW11_IN_PORT = 1 << 0, /* Switch input port. */
247 OFPFW11_DL_VLAN = 1 << 1, /* VLAN id. */
248 OFPFW11_DL_VLAN_PCP = 1 << 2, /* VLAN priority. */
249 OFPFW11_DL_TYPE = 1 << 3, /* Ethernet frame type. */
250 OFPFW11_NW_TOS = 1 << 4, /* IP ToS (DSCP field, 6 bits). */
251 OFPFW11_NW_PROTO = 1 << 5, /* IP protocol. */
252 OFPFW11_TP_SRC = 1 << 6, /* TCP/UDP/SCTP source port. */
253 OFPFW11_TP_DST = 1 << 7, /* TCP/UDP/SCTP destination port. */
254 OFPFW11_MPLS_LABEL = 1 << 8, /* MPLS label. */
255 OFPFW11_MPLS_TC = 1 << 9, /* MPLS TC. */
257 /* Wildcard all fields. */
258 OFPFW11_ALL = ((1 << 10) - 1)
261 /* The VLAN id is 12-bits, so we can use the entire 16 bits to indicate
262 * special conditions.
265 OFPVID11_ANY = 0xfffe, /* Indicate that a VLAN id is set but don't care
266 about it's value. Note: only valid when
267 specifying the VLAN id in a match */
268 OFPVID11_NONE = 0xffff, /* No VLAN id was set. */
271 enum ofp11_instruction_type {
272 OFPIT11_GOTO_TABLE = 1, /* Setup the next table in the lookup
274 OFPIT11_WRITE_METADATA = 2, /* Setup the metadata field for use later
276 OFPIT11_WRITE_ACTIONS = 3, /* Write the action(s) onto the datapath
278 OFPIT11_APPLY_ACTIONS = 4, /* Applies the action(s) immediately */
279 OFPIT11_CLEAR_ACTIONS = 5, /* Clears all actions from the datapath
281 OFPIT11_EXPERIMENTER = 0xFFFF /* Experimenter instruction */
284 #define OFP11_INSTRUCTION_ALIGN 8
286 /* Generic ofp_instruction structure. */
287 struct ofp11_instruction {
288 ovs_be16 type; /* Instruction type */
289 ovs_be16 len; /* Length of this struct in bytes. */
290 uint8_t pad[4]; /* Align to 64-bits */
292 OFP_ASSERT(sizeof(struct ofp11_instruction) == 8);
294 /* Instruction structure for OFPIT_GOTO_TABLE */
295 struct ofp11_instruction_goto_table {
296 ovs_be16 type; /* OFPIT_GOTO_TABLE */
297 ovs_be16 len; /* Length of this struct in bytes. */
298 uint8_t table_id; /* Set next table in the lookup pipeline */
299 uint8_t pad[3]; /* Pad to 64 bits. */
301 OFP_ASSERT(sizeof(struct ofp11_instruction_goto_table) == 8);
303 /* Instruction structure for OFPIT_WRITE_METADATA */
304 struct ofp11_instruction_write_metadata {
305 ovs_be16 type; /* OFPIT_WRITE_METADATA */
306 ovs_be16 len; /* Length of this struct in bytes. */
307 uint8_t pad[4]; /* Align to 64-bits */
308 ovs_be64 metadata; /* Metadata value to write */
309 ovs_be64 metadata_mask; /* Metadata write bitmask */
311 OFP_ASSERT(sizeof(struct ofp11_instruction_write_metadata) == 24);
313 /* Instruction structure for OFPIT_WRITE/APPLY/CLEAR_ACTIONS */
314 struct ofp11_instruction_actions {
315 ovs_be16 type; /* One of OFPIT_*_ACTIONS */
316 ovs_be16 len; /* Length of this struct in bytes. */
317 uint8_t pad[4]; /* Align to 64-bits */
318 /* struct ofp_action_header actions[0]; Actions associated with
319 OFPIT_WRITE_ACTIONS and
320 OFPIT_APPLY_ACTIONS */
322 OFP_ASSERT(sizeof(struct ofp11_instruction_actions) == 8);
324 /* Instruction structure for experimental instructions */
325 struct ofp11_instruction_experimenter {
326 ovs_be16 type; /* OFPIT11_EXPERIMENTER */
327 ovs_be16 len; /* Length of this struct in bytes */
328 ovs_be32 experimenter; /* Experimenter ID which takes the same form
329 as in struct ofp_vendor_header. */
330 /* Experimenter-defined arbitrary additional data. */
332 OFP_ASSERT(sizeof(struct ofp11_instruction_experimenter) == 8);
334 /* Action structure for OFPAT_OUTPUT, which sends packets out 'port'.
335 * When the 'port' is the OFPP_CONTROLLER, 'max_len' indicates the max
336 * number of bytes to send. A 'max_len' of zero means no bytes of the
337 * packet should be sent.*/
338 struct ofp11_action_output {
339 ovs_be16 type; /* OFPAT11_OUTPUT. */
340 ovs_be16 len; /* Length is 16. */
341 ovs_be32 port; /* Output port. */
342 ovs_be16 max_len; /* Max length to send to controller. */
343 uint8_t pad[6]; /* Pad to 64 bits. */
345 OFP_ASSERT(sizeof(struct ofp11_action_output) == 16);
347 /* Action structure for OFPAT_GROUP. */
348 struct ofp11_action_group {
349 ovs_be16 type; /* OFPAT11_GROUP. */
350 ovs_be16 len; /* Length is 8. */
351 ovs_be32 group_id; /* Group identifier. */
353 OFP_ASSERT(sizeof(struct ofp11_action_group) == 8);
355 /* OFPAT_SET_QUEUE action struct: send packets to given queue on port. */
356 struct ofp11_action_set_queue {
357 ovs_be16 type; /* OFPAT11_SET_QUEUE. */
358 ovs_be16 len; /* Len is 8. */
359 ovs_be32 queue_id; /* Queue id for the packets. */
361 OFP_ASSERT(sizeof(struct ofp11_action_set_queue) == 8);
363 /* Action structure for OFPAT11_SET_MPLS_LABEL. */
364 struct ofp11_action_mpls_label {
365 ovs_be16 type; /* OFPAT11_SET_MPLS_LABEL. */
366 ovs_be16 len; /* Length is 8. */
367 ovs_be32 mpls_label; /* MPLS label */
369 OFP_ASSERT(sizeof(struct ofp11_action_mpls_label) == 8);
371 /* Action structure for OFPAT11_SET_MPLS_TC. */
372 struct ofp11_action_mpls_tc {
373 ovs_be16 type; /* OFPAT11_SET_MPLS_TC. */
374 ovs_be16 len; /* Length is 8. */
375 uint8_t mpls_tc; /* MPLS TC */
378 OFP_ASSERT(sizeof(struct ofp11_action_mpls_tc) == 8);
380 /* Action structure for OFPAT11_SET_MPLS_TTL. */
381 struct ofp11_action_mpls_ttl {
382 ovs_be16 type; /* OFPAT11_SET_MPLS_TTL. */
383 ovs_be16 len; /* Length is 8. */
384 uint8_t mpls_ttl; /* MPLS TTL */
387 OFP_ASSERT(sizeof(struct ofp11_action_mpls_ttl) == 8);
389 /* Action structure for OFPAT11_SET_NW_ECN. */
390 struct ofp11_action_nw_ecn {
391 ovs_be16 type; /* OFPAT11_SET_TW_SRC/DST. */
392 ovs_be16 len; /* Length is 8. */
393 uint8_t nw_ecn; /* IP ECN (2 bits). */
396 OFP_ASSERT(sizeof(struct ofp11_action_nw_ecn) == 8);
398 /* Action structure for OFPAT11_SET_NW_TTL. */
399 struct ofp11_action_nw_ttl {
400 ovs_be16 type; /* OFPAT11_SET_NW_TTL. */
401 ovs_be16 len; /* Length is 8. */
402 uint8_t nw_ttl; /* IP TTL */
405 OFP_ASSERT(sizeof(struct ofp11_action_nw_ttl) == 8);
407 /* Action structure for OFPAT11_PUSH_VLAN/MPLS. */
408 struct ofp11_action_push {
409 ovs_be16 type; /* OFPAT11_PUSH_VLAN/MPLS. */
410 ovs_be16 len; /* Length is 8. */
411 ovs_be16 ethertype; /* Ethertype */
414 OFP_ASSERT(sizeof(struct ofp11_action_push) == 8);
416 /* Action structure for OFPAT11_POP_MPLS. */
417 struct ofp11_action_pop_mpls {
418 ovs_be16 type; /* OFPAT11_POP_MPLS. */
419 ovs_be16 len; /* Length is 8. */
420 ovs_be16 ethertype; /* Ethertype */
423 OFP_ASSERT(sizeof(struct ofp11_action_pop_mpls) == 8);
425 /* Configure/Modify behavior of a flow table */
426 struct ofp11_table_mod {
427 uint8_t table_id; /* ID of the table, 0xFF indicates all tables */
428 uint8_t pad[3]; /* Pad to 32 bits */
429 ovs_be32 config; /* Bitmap of OFPTC_* flags */
431 OFP_ASSERT(sizeof(struct ofp11_table_mod) == 8);
433 /* Flags to indicate behavior of the flow table for unmatched packets.
434 These flags are used in ofp_table_stats messages to describe the current
435 configuration and in ofp_table_mod messages to configure table behavior. */
436 enum ofp11_table_config {
437 OFPTC11_TABLE_MISS_CONTROLLER = 0, /* Send to controller. */
438 OFPTC11_TABLE_MISS_CONTINUE = 1 << 0, /* Continue to the next table in the
439 pipeline (OpenFlow 1.0
441 OFPTC11_TABLE_MISS_DROP = 1 << 1, /* Drop the packet. */
442 OFPTC11_TABLE_MISS_MASK = 3
445 /* Flow setup and teardown (controller -> datapath). */
446 struct ofp11_flow_mod {
447 ovs_be64 cookie; /* Opaque controller-issued identifier. */
448 ovs_be64 cookie_mask; /* Mask used to restrict the cookie bits
449 that must match when the command is
450 OFPFC_MODIFY* or OFPFC_DELETE*. A value
451 of 0 indicates no restriction. */
453 uint8_t table_id; /* ID of the table to put the flow in */
454 uint8_t command; /* One of OFPFC_*. */
455 ovs_be16 idle_timeout; /* Idle time before discarding (seconds). */
456 ovs_be16 hard_timeout; /* Max time before discarding (seconds). */
457 ovs_be16 priority; /* Priority level of flow entry. */
458 ovs_be32 buffer_id; /* Buffered packet to apply to (or -1).
459 Not meaningful for OFPFC_DELETE*. */
460 ovs_be32 out_port; /* For OFPFC_DELETE* commands, require
461 matching entries to include this as an
462 output port. A value of OFPP_ANY
463 indicates no restriction. */
464 ovs_be32 out_group; /* For OFPFC_DELETE* commands, require
465 matching entries to include this as an
466 output group. A value of OFPG11_ANY
467 indicates no restriction. */
468 ovs_be16 flags; /* One of OFPFF_*. */
470 /* Followed by an ofp11_match structure. */
471 /* Followed by an instruction set. */
473 OFP_ASSERT(sizeof(struct ofp11_flow_mod) == 40);
475 /* Group types. Values in the range [128, 255] are reserved for experimental
477 enum ofp11_group_type {
478 OFPGT11_ALL, /* All (multicast/broadcast) group. */
479 OFPGT11_SELECT, /* Select group. */
480 OFPGT11_INDIRECT, /* Indirect group. */
481 OFPGT11_FF /* Fast failover group. */
484 /* Group numbering. Groups can use any number up to OFPG_MAX. */
486 /* Last usable group number. */
487 OFPG11_MAX = 0xffffff00,
490 OFPG11_ALL = 0xfffffffc, /* Represents all groups for group delete
492 OFPG11_ANY = 0xffffffff /* Wildcard group used only for flow stats
493 requests. Selects all flows regardless
494 of group (including flows with no
498 /* Bucket for use in groups. */
499 struct ofp11_bucket {
500 ovs_be16 len; /* Length the bucket in bytes, including
501 this header and any padding to make it
503 ovs_be16 weight; /* Relative weight of bucket. Only
504 defined for select groups. */
505 ovs_be32 watch_port; /* Port whose state affects whether this
506 bucket is live. Only required for fast
508 ovs_be32 watch_group; /* Group whose state affects whether this
509 bucket is live. Only required for fast
512 /* struct ofp_action_header actions[0]; The action length is inferred
513 from the length field in the
516 OFP_ASSERT(sizeof(struct ofp11_bucket) == 16);
518 /* Queue configuration for a given port. */
519 struct ofp11_queue_get_config_reply {
522 /* struct ofp_packet_queue queues[0]; List of configured queues. */
524 OFP_ASSERT(sizeof(struct ofp11_queue_get_config_reply) == 8);
526 struct ofp11_stats_msg {
527 struct ofp_header header;
528 ovs_be16 type; /* One of the OFPST_* constants. */
529 ovs_be16 flags; /* OFPSF_REQ_* flags (none yet defined). */
531 /* Followed by the body of the request. */
533 OFP_ASSERT(sizeof(struct ofp11_stats_msg) == 16);
535 /* Vendor extension stats message. */
536 struct ofp11_vendor_stats_msg {
537 struct ofp11_stats_msg osm; /* Type OFPST_VENDOR. */
538 ovs_be32 vendor; /* Vendor ID:
539 * - MSB 0: low-order bytes are IEEE OUI.
540 * - MSB != 0: defined by OpenFlow
542 /* Followed by vendor-defined arbitrary additional data. */
544 OFP_ASSERT(sizeof(struct ofp11_vendor_stats_msg) == 20);
546 /* Stats request of type OFPST_FLOW. */
547 struct ofp11_flow_stats_request {
548 uint8_t table_id; /* ID of table to read (from ofp_table_stats),
549 0xff for all tables. */
550 uint8_t pad[3]; /* Align to 64 bits. */
551 ovs_be32 out_port; /* Require matching entries to include this
552 as an output port. A value of OFPP_ANY
553 indicates no restriction. */
554 ovs_be32 out_group; /* Require matching entries to include this
555 as an output group. A value of OFPG11_ANY
556 indicates no restriction. */
557 uint8_t pad2[4]; /* Align to 64 bits. */
558 ovs_be64 cookie; /* Require matching entries to contain this
560 ovs_be64 cookie_mask; /* Mask used to restrict the cookie bits that
561 must match. A value of 0 indicates
563 /* Followed by an ofp11_match structure. */
565 OFP_ASSERT(sizeof(struct ofp11_flow_stats_request) == 32);
567 /* Body of reply to OFPST_FLOW request. */
568 struct ofp11_flow_stats {
569 ovs_be16 length; /* Length of this entry. */
570 uint8_t table_id; /* ID of table flow came from. */
572 ovs_be32 duration_sec; /* Time flow has been alive in seconds. */
573 ovs_be32 duration_nsec; /* Time flow has been alive in nanoseconds beyond
575 ovs_be16 priority; /* Priority of the entry. Only meaningful
576 when this is not an exact-match entry. */
577 ovs_be16 idle_timeout; /* Number of seconds idle before expiration. */
578 ovs_be16 hard_timeout; /* Number of seconds before expiration. */
579 uint8_t pad2[6]; /* Align to 64-bits. */
580 ovs_be64 cookie; /* Opaque controller-issued identifier. */
581 ovs_be64 packet_count; /* Number of packets in flow. */
582 ovs_be64 byte_count; /* Number of bytes in flow. */
583 /* Open Flow version specific match */
584 /* struct ofp11_instruction instructions[0]; Instruction set. */
586 OFP_ASSERT(sizeof(struct ofp11_flow_stats) == 48);
588 /* Body for ofp_stats_request of type OFPST_AGGREGATE. */
589 /* Identical to ofp11_flow_stats_request */
591 /* Body of reply to OFPST_TABLE request. */
592 struct ofp11_table_stats {
593 uint8_t table_id; /* Identifier of table. Lower numbered tables
594 are consulted first. */
595 uint8_t pad[7]; /* Align to 64-bits. */
596 char name[OFP_MAX_TABLE_NAME_LEN];
597 ovs_be32 wildcards; /* Bitmap of OFPFMF_* wildcards that are
598 supported by the table. */
599 ovs_be32 match; /* Bitmap of OFPFMF_* that indicate the fields
600 the table can match on. */
601 ovs_be32 instructions; /* Bitmap of OFPIT_* values supported. */
602 ovs_be32 write_actions; /* Bitmap of OFPAT_* that are supported
603 by the table with OFPIT_WRITE_ACTIONS. */
604 ovs_be32 apply_actions; /* Bitmap of OFPAT_* that are supported
605 by the table with OFPIT_APPLY_ACTIONS. */
606 ovs_be32 config; /* Bitmap of OFPTC_* values */
607 ovs_be32 max_entries; /* Max number of entries supported. */
608 ovs_be32 active_count; /* Number of active entries. */
609 ovs_be64 lookup_count; /* Number of packets looked up in table. */
610 ovs_be64 matched_count; /* Number of packets that hit table. */
612 OFP_ASSERT(sizeof(struct ofp11_table_stats) == 88);
614 /* Body for ofp_stats_request of type OFPST_PORT. */
615 struct ofp11_port_stats_request {
616 ovs_be32 port_no; /* OFPST_PORT message must request statistics
617 * either for a single port (specified in
618 * port_no) or for all ports (if port_no ==
622 OFP_ASSERT(sizeof(struct ofp11_port_stats_request) == 8);
624 /* Body of reply to OFPST_PORT request. If a counter is unsupported, set
625 * the field to all ones. */
626 struct ofp11_port_stats {
628 uint8_t pad[4]; /* Align to 64-bits. */
629 ovs_be64 rx_packets; /* Number of received packets. */
630 ovs_be64 tx_packets; /* Number of transmitted packets. */
631 ovs_be64 rx_bytes; /* Number of received bytes. */
632 ovs_be64 tx_bytes; /* Number of transmitted bytes. */
633 ovs_be64 rx_dropped; /* Number of packets dropped by RX. */
634 ovs_be64 tx_dropped; /* Number of packets dropped by TX. */
635 ovs_be64 rx_errors; /* Number of receive errors. This is a
636 super-set of receive errors and should be
637 great than or equal to the sum of all
639 ovs_be64 tx_errors; /* Number of transmit errors. This is a
640 super-set of transmit errors. */
641 ovs_be64 rx_frame_err; /* Number of frame alignment errors. */
642 ovs_be64 rx_over_err; /* Number of packets with RX overrun. */
643 ovs_be64 rx_crc_err; /* Number of CRC errors. */
644 ovs_be64 collisions; /* Number of collisions. */
646 OFP_ASSERT(sizeof(struct ofp11_port_stats) == 104);
648 struct ofp11_queue_stats_request {
649 ovs_be32 port_no; /* All ports if OFPP_ANY. */
650 ovs_be32 queue_id; /* All queues if OFPQ_ALL. */
652 OFP_ASSERT(sizeof(struct ofp11_queue_stats_request) == 8);
654 struct ofp11_queue_stats {
656 ovs_be32 queue_id; /* Queue id. */
657 ovs_be64 tx_bytes; /* Number of transmitted bytes. */
658 ovs_be64 tx_packets; /* Number of transmitted packets. */
659 ovs_be64 tx_errors; /* # of packets dropped due to overrun. */
661 OFP_ASSERT(sizeof(struct ofp11_queue_stats) == 32);
663 struct ofp11_group_stats_request {
664 ovs_be32 group_id; /* All groups if OFPG_ALL. */
665 uint8_t pad[4]; /* Align to 64 bits. */
667 OFP_ASSERT(sizeof(struct ofp11_group_stats_request) == 8);
669 /* Body of reply to OFPST11_GROUP request */
670 struct ofp11_group_stats {
671 ovs_be16 length; /* Length of this entry. */
672 uint8_t pad[2]; /* Align to 64 bits. */
673 ovs_be32 group_id; /* Group identifier. */
674 ovs_be32 ref_count; /* Number of flows or groups that
675 directly forward to this group. */
676 uint8_t pad2[4]; /* Align to 64 bits. */
677 ovs_be64 packet_count; /* Number of packets processed by group. */
678 ovs_be64 byte_count; /* Number of bytes processed by group. */
679 /* struct ofp11_bucket_counter bucket_stats[0]; */
682 OFP_ASSERT(sizeof(struct ofp11_group_stats) == 32);
684 /* Used in group stats replies. */
685 struct ofp11_bucket_counter {
686 ovs_be64 packet_count; /* Number of packets processed by bucket. */
687 ovs_be64 byte_count; /* Number of bytes processed by bucket. */
689 OFP_ASSERT(sizeof(struct ofp11_bucket_counter) == 16);
691 /* Body of reply to OFPST11_GROUP_DESC request. */
692 struct ofp11_group_desc_stats {
693 ovs_be16 length; /* Length of this entry. */
694 uint8_t type; /* One of OFPGT_*. */
695 uint8_t pad; /* Pad to 64 bits. */
696 ovs_be32 group_id; /* Group identifier. */
697 /* struct ofp11_bucket buckets[0]; */
699 OFP_ASSERT(sizeof(struct ofp11_group_desc_stats) == 8);
701 /* Send packet (controller -> datapath). */
702 struct ofp11_packet_out {
703 ovs_be32 buffer_id; /* ID assigned by datapath (-1 if none). */
704 ovs_be32 in_port; /* Packet's input port or OFPP_CONTROLLER. */
705 ovs_be16 actions_len; /* Size of action array in bytes. */
707 /* struct ofp_action_header actions[0]; Action list. */
708 /* uint8_t data[0]; */ /* Packet data. The length is inferred
709 from the length field in the header.
710 (Only meaningful if buffer_id == -1.) */
712 OFP_ASSERT(sizeof(struct ofp11_packet_out) == 16);
714 /* Packet received on port (datapath -> controller). */
715 struct ofp11_packet_in {
716 ovs_be32 buffer_id; /* ID assigned by datapath. */
717 ovs_be32 in_port; /* Port on which frame was received. */
718 ovs_be32 in_phy_port; /* Physical Port on which frame was received. */
719 ovs_be16 total_len; /* Full length of frame. */
720 uint8_t reason; /* Reason packet is being sent (one of OFPR_*) */
721 uint8_t table_id; /* ID of the table that was looked up */
722 uint8_t data[0]; /* Ethernet frame, halfway through 32-bit word,
723 so the IP header is 32-bit aligned. The
724 amount of data is inferred from the length
725 field in the header. Because of padding,
726 offsetof(struct ofp_packet_in, data) ==
727 sizeof(struct ofp_packet_in) - 2. */
729 OFP_ASSERT(sizeof(struct ofp11_packet_in) == 16);
731 /* Flow removed (datapath -> controller). */
732 struct ofp11_flow_removed {
733 ovs_be64 cookie; /* Opaque controller-issued identifier. */
735 ovs_be16 priority; /* Priority level of flow entry. */
736 uint8_t reason; /* One of OFPRR_*. */
737 uint8_t table_id; /* ID of the table */
739 ovs_be32 duration_sec; /* Time flow was alive in seconds. */
740 ovs_be32 duration_nsec; /* Time flow was alive in nanoseconds beyond
742 ovs_be16 idle_timeout; /* Idle timeout from original flow mod. */
743 uint8_t pad2[2]; /* Align to 64-bits. */
744 ovs_be64 packet_count;
746 /* Followed by an ofp11_match structure. */
748 OFP_ASSERT(sizeof(struct ofp11_flow_removed) == 40);
750 #endif /* openflow/openflow-1.1.h */