1 /* Copyright (c) 2008, 2011, 2012, 2013, 2014 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
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11 * the Software under the copyrights without restriction, including
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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
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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 OFP11_PORT_C(0xffffff00)
71 #define OFPP11_OFFSET 0xffff0000 /* OFPP11_MAX - OFPP_MAX */
73 /* Reserved wildcard port used only for flow mod (delete) and flow stats
74 * requests. Selects all flows regardless of output port
75 * (including flows with no output port)
77 * Define it via OFPP_NONE (0xFFFF) so that OFPP_ANY is still an enum ofp_port
79 #define OFPP_ANY OFPP_NONE
81 /* OpenFlow 1.1 port config flags are just the common flags. */
83 (OFPPC_PORT_DOWN | OFPPC_NO_RECV | OFPPC_NO_FWD | OFPPC_NO_PACKET_IN)
85 /* OpenFlow 1.1 specific current state of the physical port. These are not
86 * configurable from the controller.
88 enum ofp11_port_state {
89 OFPPS11_BLOCKED = 1 << 1, /* Port is blocked */
90 OFPPS11_LIVE = 1 << 2, /* Live for Fast Failover Group. */
91 #define OFPPS11_ALL (OFPPS_LINK_DOWN | OFPPS11_BLOCKED | OFPPS11_LIVE)
94 /* OpenFlow 1.1 specific features of ports available in a datapath. */
95 enum ofp11_port_features {
96 OFPPF11_40GB_FD = 1 << 7, /* 40 Gb full-duplex rate support. */
97 OFPPF11_100GB_FD = 1 << 8, /* 100 Gb full-duplex rate support. */
98 OFPPF11_1TB_FD = 1 << 9, /* 1 Tb full-duplex rate support. */
99 OFPPF11_OTHER = 1 << 10, /* Other rate, not in the list. */
101 OFPPF11_COPPER = 1 << 11, /* Copper medium. */
102 OFPPF11_FIBER = 1 << 12, /* Fiber medium. */
103 OFPPF11_AUTONEG = 1 << 13, /* Auto-negotiation. */
104 OFPPF11_PAUSE = 1 << 14, /* Pause. */
105 OFPPF11_PAUSE_ASYM = 1 << 15 /* Asymmetric pause. */
106 #define OFPPF11_ALL ((1 << 16) - 1)
109 /* Description of a port */
113 struct eth_addr hw_addr;
114 uint8_t pad2[2]; /* Align to 64 bits. */
115 char name[OFP_MAX_PORT_NAME_LEN]; /* Null-terminated */
117 ovs_be32 config; /* Bitmap of OFPPC_* flags. */
118 ovs_be32 state; /* Bitmap of OFPPS_* and OFPPS11_* flags. */
120 /* Bitmaps of OFPPF_* and OFPPF11_* that describe features. All bits
121 * zeroed if unsupported or unavailable. */
122 ovs_be32 curr; /* Current features. */
123 ovs_be32 advertised; /* Features being advertised by the port. */
124 ovs_be32 supported; /* Features supported by the port. */
125 ovs_be32 peer; /* Features advertised by peer. */
127 ovs_be32 curr_speed; /* Current port bitrate in kbps. */
128 ovs_be32 max_speed; /* Max port bitrate in kbps */
130 OFP_ASSERT(sizeof(struct ofp11_port) == 64);
132 /* Modify behavior of the physical port */
133 struct ofp11_port_mod {
136 struct eth_addr hw_addr; /* The hardware address is not configurable. This
137 is used to sanity-check the request, so it must
138 be the same as returned in an ofp11_port
140 uint8_t pad2[2]; /* Pad to 64 bits. */
141 ovs_be32 config; /* Bitmap of OFPPC_* flags. */
142 ovs_be32 mask; /* Bitmap of OFPPC_* flags to be changed. */
144 ovs_be32 advertise; /* Bitmap of OFPPF_* and OFPPF11_*. Zero all bits
145 to prevent any action taking place. */
146 uint8_t pad3[4]; /* Pad to 64 bits. */
148 OFP_ASSERT(sizeof(struct ofp11_port_mod) == 32);
150 /* Group setup and teardown (controller -> datapath). */
151 struct ofp11_group_mod {
152 ovs_be16 command; /* One of OFPGC11_*. */
153 uint8_t type; /* One of OFPGT11_*. */
154 uint8_t pad; /* Pad to 64 bits. */
155 ovs_be32 group_id; /* Group identifier. */
156 /* struct ofp11_bucket buckets[0]; The bucket length is inferred from the
157 length field in the header. */
159 OFP_ASSERT(sizeof(struct ofp11_group_mod) == 8);
161 /* Query for port queue configuration. */
162 struct ofp11_queue_get_config_request {
164 /* Port to be queried. Should refer
165 to a valid physical port (i.e. < OFPP_MAX) */
168 OFP_ASSERT(sizeof(struct ofp11_queue_get_config_request) == 8);
171 enum ofp11_group_mod_command {
172 OFPGC11_ADD, /* New group. */
173 OFPGC11_MODIFY, /* Modify all matching groups. */
174 OFPGC11_DELETE, /* Delete all matching groups. */
177 /* OpenFlow 1.1 specific capabilities supported by the datapath (struct
178 * ofp_switch_features, member capabilities). */
179 enum ofp11_capabilities {
180 OFPC11_GROUP_STATS = 1 << 3, /* Group statistics. */
183 #define OFPMT11_STANDARD_LENGTH 88
185 struct ofp11_match_header {
186 ovs_be16 type; /* One of OFPMT_* */
187 ovs_be16 length; /* Length of match */
189 OFP_ASSERT(sizeof(struct ofp11_match_header) == 4);
191 /* Fields to match against flows */
193 struct ofp11_match_header omh;
194 ovs_be32 in_port; /* Input switch port. */
195 ovs_be32 wildcards; /* Wildcard fields. */
196 struct eth_addr dl_src; /* Ethernet source address. */
197 struct eth_addr dl_src_mask; /* Ethernet source address mask. */
198 struct eth_addr dl_dst; /* Ethernet destination address. */
199 struct eth_addr dl_dst_mask; /* Ethernet destination address mask. */
200 ovs_be16 dl_vlan; /* Input VLAN id. */
201 uint8_t dl_vlan_pcp; /* Input VLAN priority. */
202 uint8_t pad1[1]; /* Align to 32-bits */
203 ovs_be16 dl_type; /* Ethernet frame type. */
204 uint8_t nw_tos; /* IP ToS (actually DSCP field, 6 bits). */
205 uint8_t nw_proto; /* IP protocol or lower 8 bits of ARP opcode. */
206 ovs_be32 nw_src; /* IP source address. */
207 ovs_be32 nw_src_mask; /* IP source address mask. */
208 ovs_be32 nw_dst; /* IP destination address. */
209 ovs_be32 nw_dst_mask; /* IP destination address mask. */
210 ovs_be16 tp_src; /* TCP/UDP/SCTP source port. */
211 ovs_be16 tp_dst; /* TCP/UDP/SCTP destination port. */
212 ovs_be32 mpls_label; /* MPLS label. */
213 uint8_t mpls_tc; /* MPLS TC. */
214 uint8_t pad2[3]; /* Align to 64-bits */
215 ovs_be64 metadata; /* Metadata passed between tables. */
216 ovs_be64 metadata_mask; /* Mask for metadata. */
218 OFP_ASSERT(sizeof(struct ofp11_match) == OFPMT11_STANDARD_LENGTH);
220 /* Flow wildcards. */
221 enum ofp11_flow_wildcards {
222 OFPFW11_IN_PORT = 1 << 0, /* Switch input port. */
223 OFPFW11_DL_VLAN = 1 << 1, /* VLAN id. */
224 OFPFW11_DL_VLAN_PCP = 1 << 2, /* VLAN priority. */
225 OFPFW11_DL_TYPE = 1 << 3, /* Ethernet frame type. */
226 OFPFW11_NW_TOS = 1 << 4, /* IP ToS (DSCP field, 6 bits). */
227 OFPFW11_NW_PROTO = 1 << 5, /* IP protocol. */
228 OFPFW11_TP_SRC = 1 << 6, /* TCP/UDP/SCTP source port. */
229 OFPFW11_TP_DST = 1 << 7, /* TCP/UDP/SCTP destination port. */
230 OFPFW11_MPLS_LABEL = 1 << 8, /* MPLS label. */
231 OFPFW11_MPLS_TC = 1 << 9, /* MPLS TC. */
233 /* Wildcard all fields. */
234 OFPFW11_ALL = ((1 << 10) - 1)
237 /* The VLAN id is 12-bits, so we can use the entire 16 bits to indicate
238 * special conditions.
241 OFPVID11_ANY = 0xfffe, /* Indicate that a VLAN id is set but don't care
242 about it's value. Note: only valid when
243 specifying the VLAN id in a match */
244 OFPVID11_NONE = 0xffff, /* No VLAN id was set. */
247 enum ofp11_instruction_type {
248 OFPIT11_GOTO_TABLE = 1, /* Setup the next table in the lookup
250 OFPIT11_WRITE_METADATA = 2, /* Setup the metadata field for use later
252 OFPIT11_WRITE_ACTIONS = 3, /* Write the action(s) onto the datapath
254 OFPIT11_APPLY_ACTIONS = 4, /* Applies the action(s) immediately */
255 OFPIT11_CLEAR_ACTIONS = 5, /* Clears all actions from the datapath
257 OFPIT11_EXPERIMENTER = 0xFFFF /* Experimenter instruction */
260 #define OFP11_INSTRUCTION_ALIGN 8
262 /* Generic ofp_instruction structure. */
263 struct ofp11_instruction {
264 ovs_be16 type; /* Instruction type */
265 ovs_be16 len; /* Length of this struct in bytes. */
266 uint8_t pad[4]; /* Align to 64-bits */
268 OFP_ASSERT(sizeof(struct ofp11_instruction) == 8);
270 /* Instruction structure for OFPIT_GOTO_TABLE */
271 struct ofp11_instruction_goto_table {
272 ovs_be16 type; /* OFPIT_GOTO_TABLE */
273 ovs_be16 len; /* Length of this struct in bytes. */
274 uint8_t table_id; /* Set next table in the lookup pipeline */
275 uint8_t pad[3]; /* Pad to 64 bits. */
277 OFP_ASSERT(sizeof(struct ofp11_instruction_goto_table) == 8);
279 /* Instruction structure for OFPIT_WRITE_METADATA */
280 struct ofp11_instruction_write_metadata {
281 ovs_be16 type; /* OFPIT_WRITE_METADATA */
282 ovs_be16 len; /* Length of this struct in bytes. */
283 uint8_t pad[4]; /* Align to 64-bits */
284 ovs_be64 metadata; /* Metadata value to write */
285 ovs_be64 metadata_mask; /* Metadata write bitmask */
287 OFP_ASSERT(sizeof(struct ofp11_instruction_write_metadata) == 24);
289 /* Instruction structure for OFPIT_WRITE/APPLY/CLEAR_ACTIONS */
290 struct ofp11_instruction_actions {
291 ovs_be16 type; /* One of OFPIT_*_ACTIONS */
292 ovs_be16 len; /* Length of this struct in bytes. */
293 uint8_t pad[4]; /* Align to 64-bits */
294 /* struct ofp_action_header actions[0]; Actions associated with
295 OFPIT_WRITE_ACTIONS and
296 OFPIT_APPLY_ACTIONS */
298 OFP_ASSERT(sizeof(struct ofp11_instruction_actions) == 8);
300 /* Instruction structure for experimental instructions */
301 struct ofp11_instruction_experimenter {
302 ovs_be16 type; /* OFPIT11_EXPERIMENTER */
303 ovs_be16 len; /* Length of this struct in bytes */
304 ovs_be32 experimenter; /* Experimenter ID which takes the same form
305 as in struct ofp_vendor_header. */
306 /* Experimenter-defined arbitrary additional data. */
308 OFP_ASSERT(sizeof(struct ofp11_instruction_experimenter) == 8);
310 /* Configure/Modify behavior of a flow table */
311 struct ofp11_table_mod {
312 uint8_t table_id; /* ID of the table, 0xFF indicates all tables */
313 uint8_t pad[3]; /* Pad to 32 bits */
314 ovs_be32 config; /* Bitmap of OFPTC_* flags */
316 OFP_ASSERT(sizeof(struct ofp11_table_mod) == 8);
318 /* Flow setup and teardown (controller -> datapath). */
319 struct ofp11_flow_mod {
320 ovs_be64 cookie; /* Opaque controller-issued identifier. */
321 ovs_be64 cookie_mask; /* Mask used to restrict the cookie bits
322 that must match when the command is
323 OFPFC_MODIFY* or OFPFC_DELETE*. A value
324 of 0 indicates no restriction. */
326 uint8_t table_id; /* ID of the table to put the flow in */
327 uint8_t command; /* One of OFPFC_*. */
328 ovs_be16 idle_timeout; /* Idle time before discarding (seconds). */
329 ovs_be16 hard_timeout; /* Max time before discarding (seconds). */
330 ovs_be16 priority; /* Priority level of flow entry. */
331 ovs_be32 buffer_id; /* Buffered packet to apply to (or -1).
332 Not meaningful for OFPFC_DELETE*. */
333 ovs_be32 out_port; /* For OFPFC_DELETE* commands, require
334 matching entries to include this as an
335 output port. A value of OFPP_ANY
336 indicates no restriction. */
337 ovs_be32 out_group; /* For OFPFC_DELETE* commands, require
338 matching entries to include this as an
339 output group. A value of OFPG_ANY
340 indicates no restriction. */
341 ovs_be16 flags; /* One of OFPFF_*. */
342 ovs_be16 importance; /* Eviction precedence (OF1.4+). */
343 /* Followed by an ofp11_match structure. */
344 /* Followed by an instruction set. */
346 OFP_ASSERT(sizeof(struct ofp11_flow_mod) == 40);
348 /* Group types. Values in the range [128, 255] are reserved for experimental
350 enum ofp11_group_type {
351 OFPGT11_ALL, /* All (multicast/broadcast) group. */
352 OFPGT11_SELECT, /* Select group. */
353 OFPGT11_INDIRECT, /* Indirect group. */
354 OFPGT11_FF /* Fast failover group. */
357 /* Bucket for use in groups. */
358 struct ofp11_bucket {
359 ovs_be16 len; /* Length the bucket in bytes, including
360 this header and any padding to make it
362 ovs_be16 weight; /* Relative weight of bucket. Only
363 defined for select groups. */
364 ovs_be32 watch_port; /* Port whose state affects whether this
365 bucket is live. Only required for fast
367 ovs_be32 watch_group; /* Group whose state affects whether this
368 bucket is live. Only required for fast
371 /* struct ofp_action_header actions[0]; The action length is inferred
372 from the length field in the
375 OFP_ASSERT(sizeof(struct ofp11_bucket) == 16);
377 /* Queue configuration for a given port. */
378 struct ofp11_queue_get_config_reply {
381 /* struct ofp_packet_queue queues[0]; List of configured queues. */
383 OFP_ASSERT(sizeof(struct ofp11_queue_get_config_reply) == 8);
385 struct ofp11_stats_msg {
386 struct ofp_header header;
387 ovs_be16 type; /* One of the OFPST_* constants. */
388 ovs_be16 flags; /* OFPSF_REQ_* flags (none yet defined). */
390 /* Followed by the body of the request. */
392 OFP_ASSERT(sizeof(struct ofp11_stats_msg) == 16);
394 /* Vendor extension stats message. */
395 struct ofp11_vendor_stats_msg {
396 struct ofp11_stats_msg osm; /* Type OFPST_VENDOR. */
397 ovs_be32 vendor; /* Vendor ID:
398 * - MSB 0: low-order bytes are IEEE OUI.
399 * - MSB != 0: defined by OpenFlow
401 /* Followed by vendor-defined arbitrary additional data. */
403 OFP_ASSERT(sizeof(struct ofp11_vendor_stats_msg) == 20);
405 /* Stats request of type OFPST_FLOW. */
406 struct ofp11_flow_stats_request {
407 uint8_t table_id; /* ID of table to read (from ofp_table_stats),
408 0xff for all tables. */
409 uint8_t pad[3]; /* Align to 64 bits. */
410 ovs_be32 out_port; /* Require matching entries to include this
411 as an output port. A value of OFPP_ANY
412 indicates no restriction. */
413 ovs_be32 out_group; /* Require matching entries to include this
414 as an output group. A value of OFPG_ANY
415 indicates no restriction. */
416 uint8_t pad2[4]; /* Align to 64 bits. */
417 ovs_be64 cookie; /* Require matching entries to contain this
419 ovs_be64 cookie_mask; /* Mask used to restrict the cookie bits that
420 must match. A value of 0 indicates
422 /* Followed by an ofp11_match structure. */
424 OFP_ASSERT(sizeof(struct ofp11_flow_stats_request) == 32);
426 /* Body of reply to OFPST_FLOW request. */
427 struct ofp11_flow_stats {
428 ovs_be16 length; /* Length of this entry. */
429 uint8_t table_id; /* ID of table flow came from. */
431 ovs_be32 duration_sec; /* Time flow has been alive in seconds. */
432 ovs_be32 duration_nsec; /* Time flow has been alive in nanoseconds beyond
434 ovs_be16 priority; /* Priority of the entry. Only meaningful
435 when this is not an exact-match entry. */
436 ovs_be16 idle_timeout; /* Number of seconds idle before expiration. */
437 ovs_be16 hard_timeout; /* Number of seconds before expiration. */
438 ovs_be16 flags; /* OF 1.3: Set of OFPFF*. */
439 ovs_be16 importance; /* Eviction precedence (OF1.4+). */
440 uint8_t pad2[2]; /* Align to 64-bits. */
441 ovs_be64 cookie; /* Opaque controller-issued identifier. */
442 ovs_be64 packet_count; /* Number of packets in flow. */
443 ovs_be64 byte_count; /* Number of bytes in flow. */
444 /* OpenFlow version specific match */
445 /* struct ofp11_instruction instructions[0]; Instruction set. */
447 OFP_ASSERT(sizeof(struct ofp11_flow_stats) == 48);
449 /* Body for ofp_stats_request of type OFPST_AGGREGATE. */
450 /* Identical to ofp11_flow_stats_request */
452 /* Flow match fields. */
453 enum ofp11_flow_match_fields {
454 OFPFMF11_IN_PORT = 1 << 0, /* Switch input port. */
455 OFPFMF11_DL_VLAN = 1 << 1, /* VLAN id. */
456 OFPFMF11_DL_VLAN_PCP = 1 << 2, /* VLAN priority. */
457 OFPFMF11_DL_TYPE = 1 << 3, /* Ethernet frame type. */
458 OFPFMF11_NW_TOS = 1 << 4, /* IP ToS (DSCP field, 6 bits). */
459 OFPFMF11_NW_PROTO = 1 << 5, /* IP protocol. */
460 OFPFMF11_TP_SRC = 1 << 6, /* TCP/UDP/SCTP source port. */
461 OFPFMF11_TP_DST = 1 << 7, /* TCP/UDP/SCTP destination port. */
462 OFPFMF11_MPLS_LABEL = 1 << 8, /* MPLS label. */
463 OFPFMF11_MPLS_TC = 1 << 9, /* MPLS TC. */
464 OFPFMF11_TYPE = 1 << 10, /* Match type. */
465 OFPFMF11_DL_SRC = 1 << 11, /* Ethernet source address. */
466 OFPFMF11_DL_DST = 1 << 12, /* Ethernet destination address. */
467 OFPFMF11_NW_SRC = 1 << 13, /* IP source address. */
468 OFPFMF11_NW_DST = 1 << 14, /* IP destination address. */
469 OFPFMF11_METADATA = 1 << 15, /* Metadata passed between tables. */
472 /* Body of reply to OFPST_TABLE request. */
473 struct ofp11_table_stats {
474 uint8_t table_id; /* Identifier of table. Lower numbered tables
475 are consulted first. */
476 uint8_t pad[7]; /* Align to 64-bits. */
477 char name[OFP_MAX_TABLE_NAME_LEN];
478 ovs_be32 wildcards; /* Bitmap of OFPFMF_* wildcards that are
479 supported by the table. */
480 ovs_be32 match; /* Bitmap of OFPFMF_* that indicate the fields
481 the table can match on. */
482 ovs_be32 instructions; /* Bitmap of OFPIT_* values supported. */
483 ovs_be32 write_actions; /* Bitmap of OFPAT_* that are supported
484 by the table with OFPIT_WRITE_ACTIONS. */
485 ovs_be32 apply_actions; /* Bitmap of OFPAT_* that are supported
486 by the table with OFPIT_APPLY_ACTIONS. */
487 ovs_be32 config; /* Bitmap of OFPTC_* values */
488 ovs_be32 max_entries; /* Max number of entries supported. */
489 ovs_be32 active_count; /* Number of active entries. */
490 ovs_be64 lookup_count; /* Number of packets looked up in table. */
491 ovs_be64 matched_count; /* Number of packets that hit table. */
493 OFP_ASSERT(sizeof(struct ofp11_table_stats) == 88);
495 /* Body for ofp_stats_request of type OFPST_PORT. */
496 struct ofp11_port_stats_request {
497 ovs_be32 port_no; /* OFPST_PORT message must request statistics
498 * either for a single port (specified in
499 * port_no) or for all ports (if port_no ==
503 OFP_ASSERT(sizeof(struct ofp11_port_stats_request) == 8);
505 /* Body of reply to OFPST_PORT request. If a counter is unsupported, set
506 * the field to all ones. */
507 struct ofp11_port_stats {
509 uint8_t pad[4]; /* Align to 64-bits. */
510 ovs_be64 rx_packets; /* Number of received packets. */
511 ovs_be64 tx_packets; /* Number of transmitted packets. */
512 ovs_be64 rx_bytes; /* Number of received bytes. */
513 ovs_be64 tx_bytes; /* Number of transmitted bytes. */
514 ovs_be64 rx_dropped; /* Number of packets dropped by RX. */
515 ovs_be64 tx_dropped; /* Number of packets dropped by TX. */
516 ovs_be64 rx_errors; /* Number of receive errors. This is a
517 super-set of receive errors and should be
518 great than or equal to the sum of all
520 ovs_be64 tx_errors; /* Number of transmit errors. This is a
521 super-set of transmit errors. */
522 ovs_be64 rx_frame_err; /* Number of frame alignment errors. */
523 ovs_be64 rx_over_err; /* Number of packets with RX overrun. */
524 ovs_be64 rx_crc_err; /* Number of CRC errors. */
525 ovs_be64 collisions; /* Number of collisions. */
527 OFP_ASSERT(sizeof(struct ofp11_port_stats) == 104);
529 struct ofp11_queue_stats_request {
530 ovs_be32 port_no; /* All ports if OFPP_ANY. */
531 ovs_be32 queue_id; /* All queues if OFPQ_ALL. */
533 OFP_ASSERT(sizeof(struct ofp11_queue_stats_request) == 8);
535 struct ofp11_queue_stats {
537 ovs_be32 queue_id; /* Queue id. */
538 ovs_be64 tx_bytes; /* Number of transmitted bytes. */
539 ovs_be64 tx_packets; /* Number of transmitted packets. */
540 ovs_be64 tx_errors; /* # of packets dropped due to overrun. */
542 OFP_ASSERT(sizeof(struct ofp11_queue_stats) == 32);
544 struct ofp11_group_stats_request {
545 ovs_be32 group_id; /* All groups if OFPG_ALL. */
546 uint8_t pad[4]; /* Align to 64 bits. */
548 OFP_ASSERT(sizeof(struct ofp11_group_stats_request) == 8);
550 /* Used in group stats replies. */
551 struct ofp11_bucket_counter {
552 ovs_be64 packet_count; /* Number of packets processed by bucket. */
553 ovs_be64 byte_count; /* Number of bytes processed by bucket. */
555 OFP_ASSERT(sizeof(struct ofp11_bucket_counter) == 16);
557 /* Body of reply to OFPST11_GROUP request */
558 struct ofp11_group_stats {
559 ovs_be16 length; /* Length of this entry. */
560 uint8_t pad[2]; /* Align to 64 bits. */
561 ovs_be32 group_id; /* Group identifier. */
562 ovs_be32 ref_count; /* Number of flows or groups that
563 directly forward to this group. */
564 uint8_t pad2[4]; /* Align to 64 bits. */
565 ovs_be64 packet_count; /* Number of packets processed by group. */
566 ovs_be64 byte_count; /* Number of bytes processed by group. */
567 /* struct ofp11_bucket_counter bucket_stats[]; */
569 OFP_ASSERT(sizeof(struct ofp11_group_stats) == 32);
571 /* Body of reply to OFPST11_GROUP_DESC request. */
572 struct ofp11_group_desc_stats {
573 ovs_be16 length; /* Length of this entry. */
574 uint8_t type; /* One of OFPGT11_*. */
575 uint8_t pad; /* Pad to 64 bits. */
576 ovs_be32 group_id; /* Group identifier. */
577 /* struct ofp11_bucket buckets[0]; */
579 OFP_ASSERT(sizeof(struct ofp11_group_desc_stats) == 8);
581 /* Send packet (controller -> datapath). */
582 struct ofp11_packet_out {
583 ovs_be32 buffer_id; /* ID assigned by datapath (-1 if none). */
584 ovs_be32 in_port; /* Packet's input port or OFPP_CONTROLLER. */
585 ovs_be16 actions_len; /* Size of action array in bytes. */
587 /* struct ofp_action_header actions[0]; Action list. */
588 /* uint8_t data[0]; */ /* Packet data. The length is inferred
589 from the length field in the header.
590 (Only meaningful if buffer_id == -1.) */
592 OFP_ASSERT(sizeof(struct ofp11_packet_out) == 16);
594 /* Packet received on port (datapath -> controller). */
595 struct ofp11_packet_in {
596 ovs_be32 buffer_id; /* ID assigned by datapath. */
597 ovs_be32 in_port; /* Port on which frame was received. */
598 ovs_be32 in_phy_port; /* Physical Port on which frame was received. */
599 ovs_be16 total_len; /* Full length of frame. */
600 uint8_t reason; /* Reason packet is being sent (one of OFPR_*) */
601 uint8_t table_id; /* ID of the table that was looked up */
602 /* Followed by Ethernet frame. */
604 OFP_ASSERT(sizeof(struct ofp11_packet_in) == 16);
606 /* Flow removed (datapath -> controller). */
607 struct ofp11_flow_removed {
608 ovs_be64 cookie; /* Opaque controller-issued identifier. */
610 ovs_be16 priority; /* Priority level of flow entry. */
611 uint8_t reason; /* One of OFPRR_*. */
612 uint8_t table_id; /* ID of the table */
614 ovs_be32 duration_sec; /* Time flow was alive in seconds. */
615 ovs_be32 duration_nsec; /* Time flow was alive in nanoseconds beyond
617 ovs_be16 idle_timeout; /* Idle timeout from original flow mod. */
618 uint8_t pad2[2]; /* Align to 64-bits. */
619 ovs_be64 packet_count;
621 /* Followed by an ofp11_match structure. */
623 OFP_ASSERT(sizeof(struct ofp11_flow_removed) == 40);
625 #endif /* openflow/openflow-1.1.h */