2 * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 /* OpenFlow: protocol between controller and datapath. */
19 #ifndef OPENFLOW_OPENFLOW10_H
20 #define OPENFLOW_OPENFLOW10_H 1
22 #include "openflow/openflow-common.h"
24 /* Port numbering. Physical ports are numbered starting from 1. */
26 /* Maximum number of physical switch ports. */
29 /* Fake output "ports". */
30 OFPP_IN_PORT = 0xfff8, /* Send the packet out the input port. This
31 virtual port must be explicitly used
32 in order to send back out of the input
34 OFPP_TABLE = 0xfff9, /* Perform actions in flow table.
35 NB: This can only be the destination
36 port for packet-out messages. */
37 OFPP_NORMAL = 0xfffa, /* Process with normal L2/L3 switching. */
38 OFPP_FLOOD = 0xfffb, /* All physical ports except input port and
39 those disabled by STP. */
40 OFPP_ALL = 0xfffc, /* All physical ports except input port. */
41 OFPP_CONTROLLER = 0xfffd, /* Send to controller. */
42 OFPP_LOCAL = 0xfffe, /* Local openflow "port". */
43 OFPP_NONE = 0xffff /* Not associated with a physical port. */
46 #define OFP_DEFAULT_MISS_SEND_LEN 128
48 enum ofp_config_flags {
49 /* Handling of IP fragments. */
50 OFPC_FRAG_NORMAL = 0, /* No special handling for fragments. */
51 OFPC_FRAG_DROP = 1, /* Drop fragments. */
52 OFPC_FRAG_REASM = 2, /* Reassemble (only if OFPC_IP_REASM set). */
53 OFPC_FRAG_NX_MATCH = 3, /* Make first fragments available for matching. */
56 /* TTL processing - applicable for IP and MPLS packets. */
57 OFPC_INVALID_TTL_TO_CONTROLLER = 1 << 2, /* Send packets with invalid TTL
61 /* Switch configuration. */
62 struct ofp_switch_config {
63 ovs_be16 flags; /* OFPC_* flags. */
64 ovs_be16 miss_send_len; /* Max bytes of new flow that datapath should
65 send to the controller. */
67 OFP_ASSERT(sizeof(struct ofp_switch_config) == 4);
69 /* OpenFlow 1.0 specific capabilities supported by the datapath (struct
70 * ofp_switch_features, member capabilities). */
71 enum ofp10_capabilities {
72 OFPC10_STP = 1 << 3, /* 802.1d spanning tree. */
73 OFPC10_RESERVED = 1 << 4, /* Reserved, must not be set. */
76 /* OpenFlow 1.0 specific flags to indicate behavior of the physical port.
77 * These flags are used in ofp10_phy_port to describe the current
78 * configuration. They are used in the ofp10_port_mod message to configure the
81 enum ofp10_port_config {
82 OFPPC10_NO_STP = 1 << 1, /* Disable 802.1D spanning tree on port. */
83 OFPPC10_NO_RECV_STP = 1 << 3, /* Drop received 802.1D STP packets. */
84 OFPPC10_NO_FLOOD = 1 << 4, /* Do not include port when flooding. */
85 #define OFPPC10_ALL (OFPPC_PORT_DOWN | OFPPC10_NO_STP | OFPPC_NO_RECV | \
86 OFPPC10_NO_RECV_STP | OFPPC10_NO_FLOOD | OFPPC_NO_FWD | \
90 /* OpenFlow 1.0 specific current state of the physical port. These are not
91 * configurable from the controller.
93 enum ofp10_port_state {
94 /* The OFPPS10_STP_* bits have no effect on switch operation. The
95 * controller must adjust OFPPC_NO_RECV, OFPPC_NO_FWD, and
96 * OFPPC_NO_PACKET_IN appropriately to fully implement an 802.1D spanning
98 OFPPS10_STP_LISTEN = 0 << 8, /* Not learning or relaying frames. */
99 OFPPS10_STP_LEARN = 1 << 8, /* Learning but not relaying frames. */
100 OFPPS10_STP_FORWARD = 2 << 8, /* Learning and relaying frames. */
101 OFPPS10_STP_BLOCK = 3 << 8, /* Not part of spanning tree. */
102 OFPPS10_STP_MASK = 3 << 8 /* Bit mask for OFPPS10_STP_* values. */
104 #define OFPPS10_ALL (OFPPS_LINK_DOWN | OFPPS10_STP_MASK)
107 /* OpenFlow 1.0 specific features of physical ports available in a datapath. */
108 enum ofp10_port_features {
109 OFPPF10_COPPER = 1 << 7, /* Copper medium. */
110 OFPPF10_FIBER = 1 << 8, /* Fiber medium. */
111 OFPPF10_AUTONEG = 1 << 9, /* Auto-negotiation. */
112 OFPPF10_PAUSE = 1 << 10, /* Pause. */
113 OFPPF10_PAUSE_ASYM = 1 << 11 /* Asymmetric pause. */
116 /* Description of a physical port */
117 struct ofp10_phy_port {
119 uint8_t hw_addr[OFP_ETH_ALEN];
120 char name[OFP_MAX_PORT_NAME_LEN]; /* Null-terminated */
122 ovs_be32 config; /* Bitmap of OFPPC_* and OFPPC10_* flags. */
123 ovs_be32 state; /* Bitmap of OFPPS_* and OFPPS10_* flags. */
125 /* Bitmaps of OFPPF_* and OFPPF10_* that describe features. All bits
126 * zeroed if unsupported or unavailable. */
127 ovs_be32 curr; /* Current features. */
128 ovs_be32 advertised; /* Features being advertised by the port. */
129 ovs_be32 supported; /* Features supported by the port. */
130 ovs_be32 peer; /* Features advertised by peer. */
132 OFP_ASSERT(sizeof(struct ofp10_phy_port) == 48);
134 /* Modify behavior of the physical port */
135 struct ofp10_port_mod {
137 uint8_t hw_addr[OFP_ETH_ALEN]; /* The hardware address is not
138 configurable. This is used to
139 sanity-check the request, so it must
140 be the same as returned in an
141 ofp10_phy_port struct. */
143 ovs_be32 config; /* Bitmap of OFPPC_* flags. */
144 ovs_be32 mask; /* Bitmap of OFPPC_* flags to be changed. */
146 ovs_be32 advertise; /* Bitmap of "ofp_port_features"s. Zero all
147 bits to prevent any action taking place. */
148 uint8_t pad[4]; /* Pad to 64-bits. */
150 OFP_ASSERT(sizeof(struct ofp10_port_mod) == 24);
152 /* Query for port queue configuration. */
153 struct ofp10_queue_get_config_request {
154 ovs_be16 port; /* Port to be queried. Should refer
155 to a valid physical port (i.e. < OFPP_MAX) */
157 /* 32-bit alignment. */
159 OFP_ASSERT(sizeof(struct ofp10_queue_get_config_request) == 4);
161 /* Queue configuration for a given port. */
162 struct ofp10_queue_get_config_reply {
165 /* struct ofp10_packet_queue queues[0]; List of configured queues. */
167 OFP_ASSERT(sizeof(struct ofp10_queue_get_config_reply) == 8);
169 /* Packet received on port (datapath -> controller). */
170 struct ofp_packet_in {
171 ovs_be32 buffer_id; /* ID assigned by datapath. */
172 ovs_be16 total_len; /* Full length of frame. */
173 ovs_be16 in_port; /* Port on which frame was received. */
174 uint8_t reason; /* Reason packet is being sent (one of OFPR_*) */
176 uint8_t data[0]; /* Ethernet frame, halfway through 32-bit word,
177 so the IP header is 32-bit aligned. The
178 amount of data is inferred from the length
179 field in the header. Because of padding,
180 offsetof(struct ofp_packet_in, data) ==
181 sizeof(struct ofp_packet_in) - 2. */
183 OFP_ASSERT(sizeof(struct ofp_packet_in) == 12);
185 enum ofp10_action_type {
186 OFPAT10_OUTPUT, /* Output to switch port. */
187 OFPAT10_SET_VLAN_VID, /* Set the 802.1q VLAN id. */
188 OFPAT10_SET_VLAN_PCP, /* Set the 802.1q priority. */
189 OFPAT10_STRIP_VLAN, /* Strip the 802.1q header. */
190 OFPAT10_SET_DL_SRC, /* Ethernet source address. */
191 OFPAT10_SET_DL_DST, /* Ethernet destination address. */
192 OFPAT10_SET_NW_SRC, /* IP source address. */
193 OFPAT10_SET_NW_DST, /* IP destination address. */
194 OFPAT10_SET_NW_TOS, /* IP ToS (DSCP field, 6 bits). */
195 OFPAT10_SET_TP_SRC, /* TCP/UDP source port. */
196 OFPAT10_SET_TP_DST, /* TCP/UDP destination port. */
197 OFPAT10_ENQUEUE, /* Output to queue. */
198 OFPAT10_VENDOR = 0xffff
201 /* Action structure for OFPAT10_OUTPUT, which sends packets out 'port'.
202 * When the 'port' is the OFPP_CONTROLLER, 'max_len' indicates the max
203 * number of bytes to send. A 'max_len' of zero means no bytes of the
204 * packet should be sent. */
205 struct ofp10_action_output {
206 ovs_be16 type; /* OFPAT10_OUTPUT. */
207 ovs_be16 len; /* Length is 8. */
208 ovs_be16 port; /* Output port. */
209 ovs_be16 max_len; /* Max length to send to controller. */
211 OFP_ASSERT(sizeof(struct ofp10_action_output) == 8);
213 /* Action header for OFPAT10_VENDOR. The rest of the body is vendor-defined. */
214 struct ofp_action_vendor_header {
215 ovs_be16 type; /* OFPAT10_VENDOR. */
216 ovs_be16 len; /* Length is a multiple of 8. */
217 ovs_be32 vendor; /* Vendor ID, which takes the same form
218 as in "struct ofp_vendor_header". */
220 OFP_ASSERT(sizeof(struct ofp_action_vendor_header) == 8);
222 /* Action header that is common to all actions. The length includes the
223 * header and any padding used to make the action 64-bit aligned.
224 * NB: The length of an action *must* always be a multiple of eight. */
225 struct ofp_action_header {
226 ovs_be16 type; /* One of OFPAT10_*. */
227 ovs_be16 len; /* Length of action, including this
228 header. This is the length of action,
229 including any padding to make it
233 OFP_ASSERT(sizeof(struct ofp_action_header) == 8);
235 /* OFPAT10_ENQUEUE action struct: send packets to given queue on port. */
236 struct ofp_action_enqueue {
237 ovs_be16 type; /* OFPAT10_ENQUEUE. */
238 ovs_be16 len; /* Len is 16. */
239 ovs_be16 port; /* Port that queue belongs. Should
240 refer to a valid physical port
241 (i.e. < OFPP_MAX) or OFPP_IN_PORT. */
242 uint8_t pad[6]; /* Pad for 64-bit alignment. */
243 ovs_be32 queue_id; /* Where to enqueue the packets. */
245 OFP_ASSERT(sizeof(struct ofp_action_enqueue) == 16);
249 struct ofp_action_header header;
250 struct ofp_action_vendor_header vendor;
251 struct ofp10_action_output output10;
252 struct ofp_action_vlan_vid vlan_vid;
253 struct ofp_action_vlan_pcp vlan_pcp;
254 struct ofp_action_nw_addr nw_addr;
255 struct ofp_action_nw_tos nw_tos;
256 struct ofp_action_tp_port tp_port;
258 OFP_ASSERT(sizeof(union ofp_action) == 8);
260 /* Send packet (controller -> datapath). */
261 struct ofp_packet_out {
262 ovs_be32 buffer_id; /* ID assigned by datapath or UINT32_MAX. */
263 ovs_be16 in_port; /* Packet's input port (OFPP_NONE if none). */
264 ovs_be16 actions_len; /* Size of action array in bytes. */
266 * - Exactly 'actions_len' bytes (possibly 0 bytes, and always a multiple
267 * of 8) containing actions.
268 * - If 'buffer_id' == UINT32_MAX, packet data to fill out the remainder
269 * of the message length.
272 OFP_ASSERT(sizeof(struct ofp_packet_out) == 8);
274 /* Flow wildcards. */
275 enum ofp_flow_wildcards {
276 OFPFW10_IN_PORT = 1 << 0, /* Switch input port. */
277 OFPFW10_DL_VLAN = 1 << 1, /* VLAN vid. */
278 OFPFW10_DL_SRC = 1 << 2, /* Ethernet source address. */
279 OFPFW10_DL_DST = 1 << 3, /* Ethernet destination address. */
280 OFPFW10_DL_TYPE = 1 << 4, /* Ethernet frame type. */
281 OFPFW10_NW_PROTO = 1 << 5, /* IP protocol. */
282 OFPFW10_TP_SRC = 1 << 6, /* TCP/UDP source port. */
283 OFPFW10_TP_DST = 1 << 7, /* TCP/UDP destination port. */
285 /* IP source address wildcard bit count. 0 is exact match, 1 ignores the
286 * LSB, 2 ignores the 2 least-significant bits, ..., 32 and higher wildcard
287 * the entire field. This is the *opposite* of the usual convention where
288 * e.g. /24 indicates that 8 bits (not 24 bits) are wildcarded. */
289 OFPFW10_NW_SRC_SHIFT = 8,
290 OFPFW10_NW_SRC_BITS = 6,
291 OFPFW10_NW_SRC_MASK = (((1 << OFPFW10_NW_SRC_BITS) - 1)
292 << OFPFW10_NW_SRC_SHIFT),
293 OFPFW10_NW_SRC_ALL = 32 << OFPFW10_NW_SRC_SHIFT,
295 /* IP destination address wildcard bit count. Same format as source. */
296 OFPFW10_NW_DST_SHIFT = 14,
297 OFPFW10_NW_DST_BITS = 6,
298 OFPFW10_NW_DST_MASK = (((1 << OFPFW10_NW_DST_BITS) - 1)
299 << OFPFW10_NW_DST_SHIFT),
300 OFPFW10_NW_DST_ALL = 32 << OFPFW10_NW_DST_SHIFT,
302 OFPFW10_DL_VLAN_PCP = 1 << 20, /* VLAN priority. */
303 OFPFW10_NW_TOS = 1 << 21, /* IP ToS (DSCP field, 6 bits). */
305 /* Wildcard all fields. */
306 OFPFW10_ALL = ((1 << 22) - 1)
309 /* The wildcards for ICMP type and code fields use the transport source
310 * and destination port fields, respectively. */
311 #define OFPFW10_ICMP_TYPE OFPFW10_TP_SRC
312 #define OFPFW10_ICMP_CODE OFPFW10_TP_DST
314 /* Values below this cutoff are 802.3 packets and the two bytes
315 * following MAC addresses are used as a frame length. Otherwise, the
316 * two bytes are used as the Ethernet type.
318 #define OFP_DL_TYPE_ETH2_CUTOFF 0x0600
320 /* Value of dl_type to indicate that the frame does not include an
323 #define OFP_DL_TYPE_NOT_ETH_TYPE 0x05ff
325 /* The VLAN id is 12-bits, so we can use the entire 16 bits to indicate
326 * special conditions. All ones indicates that 802.1Q header is not present.
328 #define OFP10_VLAN_NONE 0xffff
330 /* Fields to match against flows */
332 ovs_be32 wildcards; /* Wildcard fields. */
333 ovs_be16 in_port; /* Input switch port. */
334 uint8_t dl_src[OFP_ETH_ALEN]; /* Ethernet source address. */
335 uint8_t dl_dst[OFP_ETH_ALEN]; /* Ethernet destination address. */
336 ovs_be16 dl_vlan; /* Input VLAN. */
337 uint8_t dl_vlan_pcp; /* Input VLAN priority. */
338 uint8_t pad1[1]; /* Align to 64-bits. */
339 ovs_be16 dl_type; /* Ethernet frame type. */
340 uint8_t nw_tos; /* IP ToS (DSCP field, 6 bits). */
341 uint8_t nw_proto; /* IP protocol or lower 8 bits of
343 uint8_t pad2[2]; /* Align to 64-bits. */
344 ovs_be32 nw_src; /* IP source address. */
345 ovs_be32 nw_dst; /* IP destination address. */
346 ovs_be16 tp_src; /* TCP/UDP source port. */
347 ovs_be16 tp_dst; /* TCP/UDP destination port. */
349 OFP_ASSERT(sizeof(struct ofp10_match) == 40);
351 /* Value used in "idle_timeout" and "hard_timeout" to indicate that the entry
353 #define OFP_FLOW_PERMANENT 0
355 /* By default, choose a priority in the middle. */
356 #define OFP_DEFAULT_PRIORITY 0x8000
358 enum ofp10_flow_mod_flags {
359 OFPFF10_EMERG = 1 << 2 /* Ramark this is for emergency. */
362 /* Flow setup and teardown (controller -> datapath). */
363 struct ofp10_flow_mod {
364 struct ofp10_match match; /* Fields to match */
365 ovs_be64 cookie; /* Opaque controller-issued identifier. */
368 ovs_be16 command; /* One of OFPFC_*. */
369 ovs_be16 idle_timeout; /* Idle time before discarding (seconds). */
370 ovs_be16 hard_timeout; /* Max time before discarding (seconds). */
371 ovs_be16 priority; /* Priority level of flow entry. */
372 ovs_be32 buffer_id; /* Buffered packet to apply to (or -1).
373 Not meaningful for OFPFC_DELETE*. */
374 ovs_be16 out_port; /* For OFPFC_DELETE* commands, require
375 matching entries to include this as an
376 output port. A value of OFPP_NONE
377 indicates no restriction. */
378 ovs_be16 flags; /* One of OFPFF_*. */
379 struct ofp_action_header actions[0]; /* The action length is inferred
380 from the length field in the
383 OFP_ASSERT(sizeof(struct ofp10_flow_mod) == 64);
385 /* Flow removed (datapath -> controller). */
386 struct ofp_flow_removed {
387 struct ofp10_match match; /* Description of fields. */
388 ovs_be64 cookie; /* Opaque controller-issued identifier. */
390 ovs_be16 priority; /* Priority level of flow entry. */
391 uint8_t reason; /* One of OFPRR_*. */
392 uint8_t pad[1]; /* Align to 32-bits. */
394 ovs_be32 duration_sec; /* Time flow was alive in seconds. */
395 ovs_be32 duration_nsec; /* Time flow was alive in nanoseconds beyond
397 ovs_be16 idle_timeout; /* Idle timeout from original flow mod. */
398 uint8_t pad2[2]; /* Align to 64-bits. */
399 ovs_be64 packet_count;
402 OFP_ASSERT(sizeof(struct ofp_flow_removed) == 80);
404 /* OFPT_ERROR: Error message (datapath -> controller). */
405 struct ofp_error_msg {
408 uint8_t data[0]; /* Variable-length data. Interpreted based
409 on the type and code. */
411 OFP_ASSERT(sizeof(struct ofp_error_msg) == 4);
413 /* Statistics request or reply message. */
414 struct ofp10_stats_msg {
415 struct ofp_header header;
416 ovs_be16 type; /* One of the OFPST_* constants. */
417 ovs_be16 flags; /* Requests: always 0.
418 * Replies: 0 or OFPSF_REPLY_MORE. */
420 OFP_ASSERT(sizeof(struct ofp10_stats_msg) == 12);
422 enum ofp_stats_reply_flags {
423 OFPSF_REPLY_MORE = 1 << 0 /* More replies to follow. */
426 /* Stats request of type OFPST_AGGREGATE or OFPST_FLOW. */
427 struct ofp10_flow_stats_request {
428 struct ofp10_match match; /* Fields to match. */
429 uint8_t table_id; /* ID of table to read (from ofp_table_stats)
430 or 0xff for all tables. */
431 uint8_t pad; /* Align to 32 bits. */
432 ovs_be16 out_port; /* Require matching entries to include this
433 as an output port. A value of OFPP_NONE
434 indicates no restriction. */
436 OFP_ASSERT(sizeof(struct ofp10_flow_stats_request) == 44);
438 /* Body of reply to OFPST_FLOW request. */
439 struct ofp10_flow_stats {
440 ovs_be16 length; /* Length of this entry. */
441 uint8_t table_id; /* ID of table flow came from. */
443 struct ofp10_match match; /* Description of fields. */
444 ovs_be32 duration_sec; /* Time flow has been alive in seconds. */
445 ovs_be32 duration_nsec; /* Time flow has been alive in nanoseconds
446 beyond duration_sec. */
447 ovs_be16 priority; /* Priority of the entry. Only meaningful
448 when this is not an exact-match entry. */
449 ovs_be16 idle_timeout; /* Number of seconds idle before expiration. */
450 ovs_be16 hard_timeout; /* Number of seconds before expiration. */
451 uint8_t pad2[6]; /* Align to 64 bits. */
452 ovs_32aligned_be64 cookie; /* Opaque controller-issued identifier. */
453 ovs_32aligned_be64 packet_count; /* Number of packets in flow. */
454 ovs_32aligned_be64 byte_count; /* Number of bytes in flow. */
455 struct ofp_action_header actions[0]; /* Actions. */
457 OFP_ASSERT(sizeof(struct ofp10_flow_stats) == 88);
459 /* Body of reply to OFPST_TABLE request. */
460 struct ofp10_table_stats {
461 uint8_t table_id; /* Identifier of table. Lower numbered tables
462 are consulted first. */
463 uint8_t pad[3]; /* Align to 32-bits. */
464 char name[OFP_MAX_TABLE_NAME_LEN];
465 ovs_be32 wildcards; /* Bitmap of OFPFW10_* wildcards that are
466 supported by the table. */
467 ovs_be32 max_entries; /* Max number of entries supported. */
468 ovs_be32 active_count; /* Number of active entries. */
469 ovs_32aligned_be64 lookup_count; /* # of packets looked up in table. */
470 ovs_32aligned_be64 matched_count; /* Number of packets that hit table. */
472 OFP_ASSERT(sizeof(struct ofp10_table_stats) == 64);
474 /* Stats request of type OFPST_PORT. */
475 struct ofp10_port_stats_request {
476 ovs_be16 port_no; /* OFPST_PORT message may request statistics
477 for a single port (specified with port_no)
478 or for all ports (port_no == OFPP_NONE). */
481 OFP_ASSERT(sizeof(struct ofp10_port_stats_request) == 8);
483 /* Body of reply to OFPST_PORT request. If a counter is unsupported, set
484 * the field to all ones. */
485 struct ofp10_port_stats {
487 uint8_t pad[6]; /* Align to 64-bits. */
488 ovs_32aligned_be64 rx_packets; /* Number of received packets. */
489 ovs_32aligned_be64 tx_packets; /* Number of transmitted packets. */
490 ovs_32aligned_be64 rx_bytes; /* Number of received bytes. */
491 ovs_32aligned_be64 tx_bytes; /* Number of transmitted bytes. */
492 ovs_32aligned_be64 rx_dropped; /* Number of packets dropped by RX. */
493 ovs_32aligned_be64 tx_dropped; /* Number of packets dropped by TX. */
494 ovs_32aligned_be64 rx_errors; /* Number of receive errors. This is a
495 super-set of receive errors and should be
496 great than or equal to the sum of all
498 ovs_32aligned_be64 tx_errors; /* Number of transmit errors. This is a
499 super-set of transmit errors. */
500 ovs_32aligned_be64 rx_frame_err; /* Number of frame alignment errors. */
501 ovs_32aligned_be64 rx_over_err; /* Number of packets with RX overrun. */
502 ovs_32aligned_be64 rx_crc_err; /* Number of CRC errors. */
503 ovs_32aligned_be64 collisions; /* Number of collisions. */
505 OFP_ASSERT(sizeof(struct ofp10_port_stats) == 104);
507 /* All ones is used to indicate all queues in a port (for stats retrieval). */
508 #define OFPQ_ALL 0xffffffff
510 /* Body for stats request of type OFPST_QUEUE. */
511 struct ofp10_queue_stats_request {
512 ovs_be16 port_no; /* All ports if OFPP_ALL. */
513 uint8_t pad[2]; /* Align to 32-bits. */
514 ovs_be32 queue_id; /* All queues if OFPQ_ALL. */
516 OFP_ASSERT(sizeof(struct ofp10_queue_stats_request) == 8);
518 /* Body for stats reply of type OFPST_QUEUE consists of an array of this
520 struct ofp10_queue_stats {
522 uint8_t pad[2]; /* Align to 32-bits. */
523 ovs_be32 queue_id; /* Queue id. */
524 ovs_32aligned_be64 tx_bytes; /* Number of transmitted bytes. */
525 ovs_32aligned_be64 tx_packets; /* Number of transmitted packets. */
526 ovs_32aligned_be64 tx_errors; /* # of packets dropped due to overrun. */
528 OFP_ASSERT(sizeof(struct ofp10_queue_stats) == 32);
530 /* Vendor extension stats message. */
531 struct ofp10_vendor_stats_msg {
532 struct ofp10_stats_msg osm; /* Type OFPST_VENDOR. */
533 ovs_be32 vendor; /* Vendor ID:
534 * - MSB 0: low-order bytes are IEEE OUI.
535 * - MSB != 0: defined by OpenFlow
537 /* Followed by vendor-defined arbitrary additional data. */
539 OFP_ASSERT(sizeof(struct ofp10_vendor_stats_msg) == 16);
541 /* Vendor extension. */
542 struct ofp_vendor_header {
543 struct ofp_header header; /* Type OFPT_VENDOR. */
544 ovs_be32 vendor; /* Vendor ID:
545 * - MSB 0: low-order bytes are IEEE OUI.
546 * - MSB != 0: defined by OpenFlow
548 /* Vendor-defined arbitrary additional data. */
550 OFP_ASSERT(sizeof(struct ofp_vendor_header) == 12);
552 #endif /* openflow/openflow-1.0.h */