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 number(s) meaning
25 * --------------- --------------------------------------
26 * 0x0000 not assigned a meaning by OpenFlow 1.0
27 * 0x0001...0xfeff "physical" ports
28 * 0xff00...0xfff7 "reserved" but not assigned a meaning by OpenFlow 1.0
29 * 0xfff8...0xffff "reserved" OFPP_* ports with assigned meanings
33 OFPP_MAX = 0xff00, /* Maximum number of physical switch ports. */
34 OFPP_FIRST_RESV = 0xfff8, /* First assigned reserved port number. */
35 OFPP_LAST_RESV = 0xffff, /* Last assigned reserved port number. */
37 /* Reserved output "ports". */
38 OFPP_IN_PORT = 0xfff8, /* Send the packet out the input port. This
39 virtual port must be explicitly used
40 in order to send back out of the input
42 OFPP_TABLE = 0xfff9, /* Perform actions in flow table.
43 NB: This can only be the destination
44 port for packet-out messages. */
45 OFPP_NORMAL = 0xfffa, /* Process with normal L2/L3 switching. */
46 OFPP_FLOOD = 0xfffb, /* All physical ports except input port and
47 those disabled by STP. */
48 OFPP_ALL = 0xfffc, /* All physical ports except input port. */
49 OFPP_CONTROLLER = 0xfffd, /* Send to controller. */
50 OFPP_LOCAL = 0xfffe, /* Local openflow "port". */
51 OFPP_NONE = 0xffff /* Not associated with a physical port. */
54 #define OFP_DEFAULT_MISS_SEND_LEN 128
56 enum ofp_config_flags {
57 /* Handling of IP fragments. */
58 OFPC_FRAG_NORMAL = 0, /* No special handling for fragments. */
59 OFPC_FRAG_DROP = 1, /* Drop fragments. */
60 OFPC_FRAG_REASM = 2, /* Reassemble (only if OFPC_IP_REASM set). */
61 OFPC_FRAG_NX_MATCH = 3, /* Make first fragments available for matching. */
64 /* TTL processing - applicable for IP and MPLS packets. */
65 OFPC_INVALID_TTL_TO_CONTROLLER = 1 << 2, /* Send packets with invalid TTL
69 /* Switch configuration. */
70 struct ofp_switch_config {
71 ovs_be16 flags; /* OFPC_* flags. */
72 ovs_be16 miss_send_len; /* Max bytes of new flow that datapath should
73 send to the controller. */
75 OFP_ASSERT(sizeof(struct ofp_switch_config) == 4);
77 /* OpenFlow 1.0 specific capabilities supported by the datapath (struct
78 * ofp_switch_features, member capabilities). */
79 enum ofp10_capabilities {
80 OFPC10_STP = 1 << 3, /* 802.1d spanning tree. */
81 OFPC10_RESERVED = 1 << 4, /* Reserved, must not be set. */
84 /* OpenFlow 1.0 specific flags to indicate behavior of the physical port.
85 * These flags are used in ofp10_phy_port to describe the current
86 * configuration. They are used in the ofp10_port_mod message to configure the
89 enum ofp10_port_config {
90 OFPPC10_NO_STP = 1 << 1, /* Disable 802.1D spanning tree on port. */
91 OFPPC10_NO_RECV_STP = 1 << 3, /* Drop received 802.1D STP packets. */
92 OFPPC10_NO_FLOOD = 1 << 4, /* Do not include port when flooding. */
93 #define OFPPC10_ALL (OFPPC_PORT_DOWN | OFPPC10_NO_STP | OFPPC_NO_RECV | \
94 OFPPC10_NO_RECV_STP | OFPPC10_NO_FLOOD | OFPPC_NO_FWD | \
98 /* OpenFlow 1.0 specific current state of the physical port. These are not
99 * configurable from the controller.
101 enum ofp10_port_state {
102 /* The OFPPS10_STP_* bits have no effect on switch operation. The
103 * controller must adjust OFPPC_NO_RECV, OFPPC_NO_FWD, and
104 * OFPPC_NO_PACKET_IN appropriately to fully implement an 802.1D spanning
106 OFPPS10_STP_LISTEN = 0 << 8, /* Not learning or relaying frames. */
107 OFPPS10_STP_LEARN = 1 << 8, /* Learning but not relaying frames. */
108 OFPPS10_STP_FORWARD = 2 << 8, /* Learning and relaying frames. */
109 OFPPS10_STP_BLOCK = 3 << 8, /* Not part of spanning tree. */
110 OFPPS10_STP_MASK = 3 << 8 /* Bit mask for OFPPS10_STP_* values. */
112 #define OFPPS10_ALL (OFPPS_LINK_DOWN | OFPPS10_STP_MASK)
115 /* OpenFlow 1.0 specific features of physical ports available in a datapath. */
116 enum ofp10_port_features {
117 OFPPF10_COPPER = 1 << 7, /* Copper medium. */
118 OFPPF10_FIBER = 1 << 8, /* Fiber medium. */
119 OFPPF10_AUTONEG = 1 << 9, /* Auto-negotiation. */
120 OFPPF10_PAUSE = 1 << 10, /* Pause. */
121 OFPPF10_PAUSE_ASYM = 1 << 11 /* Asymmetric pause. */
124 /* Description of a physical port */
125 struct ofp10_phy_port {
127 uint8_t hw_addr[OFP_ETH_ALEN];
128 char name[OFP_MAX_PORT_NAME_LEN]; /* Null-terminated */
130 ovs_be32 config; /* Bitmap of OFPPC_* and OFPPC10_* flags. */
131 ovs_be32 state; /* Bitmap of OFPPS_* and OFPPS10_* flags. */
133 /* Bitmaps of OFPPF_* and OFPPF10_* that describe features. All bits
134 * zeroed if unsupported or unavailable. */
135 ovs_be32 curr; /* Current features. */
136 ovs_be32 advertised; /* Features being advertised by the port. */
137 ovs_be32 supported; /* Features supported by the port. */
138 ovs_be32 peer; /* Features advertised by peer. */
140 OFP_ASSERT(sizeof(struct ofp10_phy_port) == 48);
142 /* Modify behavior of the physical port */
143 struct ofp10_port_mod {
145 uint8_t hw_addr[OFP_ETH_ALEN]; /* The hardware address is not
146 configurable. This is used to
147 sanity-check the request, so it must
148 be the same as returned in an
149 ofp10_phy_port struct. */
151 ovs_be32 config; /* Bitmap of OFPPC_* flags. */
152 ovs_be32 mask; /* Bitmap of OFPPC_* flags to be changed. */
154 ovs_be32 advertise; /* Bitmap of "ofp_port_features"s. Zero all
155 bits to prevent any action taking place. */
156 uint8_t pad[4]; /* Pad to 64-bits. */
158 OFP_ASSERT(sizeof(struct ofp10_port_mod) == 24);
160 /* Query for port queue configuration. */
161 struct ofp10_queue_get_config_request {
162 ovs_be16 port; /* Port to be queried. Should refer
163 to a valid physical port (i.e. < OFPP_MAX) */
165 /* 32-bit alignment. */
167 OFP_ASSERT(sizeof(struct ofp10_queue_get_config_request) == 4);
169 /* Queue configuration for a given port. */
170 struct ofp10_queue_get_config_reply {
173 /* struct ofp10_packet_queue queues[0]; List of configured queues. */
175 OFP_ASSERT(sizeof(struct ofp10_queue_get_config_reply) == 8);
177 /* Packet received on port (datapath -> controller). */
178 struct ofp_packet_in {
179 ovs_be32 buffer_id; /* ID assigned by datapath. */
180 ovs_be16 total_len; /* Full length of frame. */
181 ovs_be16 in_port; /* Port on which frame was received. */
182 uint8_t reason; /* Reason packet is being sent (one of OFPR_*) */
184 uint8_t data[0]; /* Ethernet frame, halfway through 32-bit word,
185 so the IP header is 32-bit aligned. The
186 amount of data is inferred from the length
187 field in the header. Because of padding,
188 offsetof(struct ofp_packet_in, data) ==
189 sizeof(struct ofp_packet_in) - 2. */
191 OFP_ASSERT(sizeof(struct ofp_packet_in) == 12);
193 enum ofp10_action_type {
194 OFPAT10_OUTPUT, /* Output to switch port. */
195 OFPAT10_SET_VLAN_VID, /* Set the 802.1q VLAN id. */
196 OFPAT10_SET_VLAN_PCP, /* Set the 802.1q priority. */
197 OFPAT10_STRIP_VLAN, /* Strip the 802.1q header. */
198 OFPAT10_SET_DL_SRC, /* Ethernet source address. */
199 OFPAT10_SET_DL_DST, /* Ethernet destination address. */
200 OFPAT10_SET_NW_SRC, /* IP source address. */
201 OFPAT10_SET_NW_DST, /* IP destination address. */
202 OFPAT10_SET_NW_TOS, /* IP ToS (DSCP field, 6 bits). */
203 OFPAT10_SET_TP_SRC, /* TCP/UDP source port. */
204 OFPAT10_SET_TP_DST, /* TCP/UDP destination port. */
205 OFPAT10_ENQUEUE, /* Output to queue. */
206 OFPAT10_VENDOR = 0xffff
209 /* Action structure for OFPAT10_OUTPUT, which sends packets out 'port'.
210 * When the 'port' is the OFPP_CONTROLLER, 'max_len' indicates the max
211 * number of bytes to send. A 'max_len' of zero means no bytes of the
212 * packet should be sent. */
213 struct ofp10_action_output {
214 ovs_be16 type; /* OFPAT10_OUTPUT. */
215 ovs_be16 len; /* Length is 8. */
216 ovs_be16 port; /* Output port. */
217 ovs_be16 max_len; /* Max length to send to controller. */
219 OFP_ASSERT(sizeof(struct ofp10_action_output) == 8);
221 /* Action header for OFPAT10_VENDOR. The rest of the body is vendor-defined. */
222 struct ofp_action_vendor_header {
223 ovs_be16 type; /* OFPAT10_VENDOR. */
224 ovs_be16 len; /* Length is a multiple of 8. */
225 ovs_be32 vendor; /* Vendor ID, which takes the same form
226 as in "struct ofp_vendor_header". */
228 OFP_ASSERT(sizeof(struct ofp_action_vendor_header) == 8);
230 /* Action header that is common to all actions. The length includes the
231 * header and any padding used to make the action 64-bit aligned.
232 * NB: The length of an action *must* always be a multiple of eight. */
233 struct ofp_action_header {
234 ovs_be16 type; /* One of OFPAT10_*. */
235 ovs_be16 len; /* Length of action, including this
236 header. This is the length of action,
237 including any padding to make it
241 OFP_ASSERT(sizeof(struct ofp_action_header) == 8);
243 /* OFPAT10_ENQUEUE action struct: send packets to given queue on port. */
244 struct ofp_action_enqueue {
245 ovs_be16 type; /* OFPAT10_ENQUEUE. */
246 ovs_be16 len; /* Len is 16. */
247 ovs_be16 port; /* Port that queue belongs. Should
248 refer to a valid physical port
249 (i.e. < OFPP_MAX) or OFPP_IN_PORT. */
250 uint8_t pad[6]; /* Pad for 64-bit alignment. */
251 ovs_be32 queue_id; /* Where to enqueue the packets. */
253 OFP_ASSERT(sizeof(struct ofp_action_enqueue) == 16);
257 struct ofp_action_header header;
258 struct ofp_action_vendor_header vendor;
259 struct ofp10_action_output output10;
260 struct ofp_action_vlan_vid vlan_vid;
261 struct ofp_action_vlan_pcp vlan_pcp;
262 struct ofp_action_nw_addr nw_addr;
263 struct ofp_action_nw_tos nw_tos;
264 struct ofp_action_tp_port tp_port;
266 OFP_ASSERT(sizeof(union ofp_action) == 8);
268 /* Send packet (controller -> datapath). */
269 struct ofp_packet_out {
270 ovs_be32 buffer_id; /* ID assigned by datapath or UINT32_MAX. */
271 ovs_be16 in_port; /* Packet's input port (OFPP_NONE if none). */
272 ovs_be16 actions_len; /* Size of action array in bytes. */
274 * - Exactly 'actions_len' bytes (possibly 0 bytes, and always a multiple
275 * of 8) containing actions.
276 * - If 'buffer_id' == UINT32_MAX, packet data to fill out the remainder
277 * of the message length.
280 OFP_ASSERT(sizeof(struct ofp_packet_out) == 8);
282 /* Flow wildcards. */
283 enum ofp_flow_wildcards {
284 OFPFW10_IN_PORT = 1 << 0, /* Switch input port. */
285 OFPFW10_DL_VLAN = 1 << 1, /* VLAN vid. */
286 OFPFW10_DL_SRC = 1 << 2, /* Ethernet source address. */
287 OFPFW10_DL_DST = 1 << 3, /* Ethernet destination address. */
288 OFPFW10_DL_TYPE = 1 << 4, /* Ethernet frame type. */
289 OFPFW10_NW_PROTO = 1 << 5, /* IP protocol. */
290 OFPFW10_TP_SRC = 1 << 6, /* TCP/UDP source port. */
291 OFPFW10_TP_DST = 1 << 7, /* TCP/UDP destination port. */
293 /* IP source address wildcard bit count. 0 is exact match, 1 ignores the
294 * LSB, 2 ignores the 2 least-significant bits, ..., 32 and higher wildcard
295 * the entire field. This is the *opposite* of the usual convention where
296 * e.g. /24 indicates that 8 bits (not 24 bits) are wildcarded. */
297 OFPFW10_NW_SRC_SHIFT = 8,
298 OFPFW10_NW_SRC_BITS = 6,
299 OFPFW10_NW_SRC_MASK = (((1 << OFPFW10_NW_SRC_BITS) - 1)
300 << OFPFW10_NW_SRC_SHIFT),
301 OFPFW10_NW_SRC_ALL = 32 << OFPFW10_NW_SRC_SHIFT,
303 /* IP destination address wildcard bit count. Same format as source. */
304 OFPFW10_NW_DST_SHIFT = 14,
305 OFPFW10_NW_DST_BITS = 6,
306 OFPFW10_NW_DST_MASK = (((1 << OFPFW10_NW_DST_BITS) - 1)
307 << OFPFW10_NW_DST_SHIFT),
308 OFPFW10_NW_DST_ALL = 32 << OFPFW10_NW_DST_SHIFT,
310 OFPFW10_DL_VLAN_PCP = 1 << 20, /* VLAN priority. */
311 OFPFW10_NW_TOS = 1 << 21, /* IP ToS (DSCP field, 6 bits). */
313 /* Wildcard all fields. */
314 OFPFW10_ALL = ((1 << 22) - 1)
317 /* The wildcards for ICMP type and code fields use the transport source
318 * and destination port fields, respectively. */
319 #define OFPFW10_ICMP_TYPE OFPFW10_TP_SRC
320 #define OFPFW10_ICMP_CODE OFPFW10_TP_DST
322 /* Values below this cutoff are 802.3 packets and the two bytes
323 * following MAC addresses are used as a frame length. Otherwise, the
324 * two bytes are used as the Ethernet type.
326 #define OFP_DL_TYPE_ETH2_CUTOFF 0x0600
328 /* Value of dl_type to indicate that the frame does not include an
331 #define OFP_DL_TYPE_NOT_ETH_TYPE 0x05ff
333 /* The VLAN id is 12-bits, so we can use the entire 16 bits to indicate
334 * special conditions. All ones indicates that 802.1Q header is not present.
336 #define OFP10_VLAN_NONE 0xffff
338 /* Fields to match against flows */
340 ovs_be32 wildcards; /* Wildcard fields. */
341 ovs_be16 in_port; /* Input switch port. */
342 uint8_t dl_src[OFP_ETH_ALEN]; /* Ethernet source address. */
343 uint8_t dl_dst[OFP_ETH_ALEN]; /* Ethernet destination address. */
344 ovs_be16 dl_vlan; /* Input VLAN. */
345 uint8_t dl_vlan_pcp; /* Input VLAN priority. */
346 uint8_t pad1[1]; /* Align to 64-bits. */
347 ovs_be16 dl_type; /* Ethernet frame type. */
348 uint8_t nw_tos; /* IP ToS (DSCP field, 6 bits). */
349 uint8_t nw_proto; /* IP protocol or lower 8 bits of
351 uint8_t pad2[2]; /* Align to 64-bits. */
352 ovs_be32 nw_src; /* IP source address. */
353 ovs_be32 nw_dst; /* IP destination address. */
354 ovs_be16 tp_src; /* TCP/UDP source port. */
355 ovs_be16 tp_dst; /* TCP/UDP destination port. */
357 OFP_ASSERT(sizeof(struct ofp10_match) == 40);
359 /* Value used in "idle_timeout" and "hard_timeout" to indicate that the entry
361 #define OFP_FLOW_PERMANENT 0
363 /* By default, choose a priority in the middle. */
364 #define OFP_DEFAULT_PRIORITY 0x8000
366 enum ofp10_flow_mod_flags {
367 OFPFF10_EMERG = 1 << 2 /* Ramark this is for emergency. */
370 /* Flow setup and teardown (controller -> datapath). */
371 struct ofp10_flow_mod {
372 struct ofp10_match match; /* Fields to match */
373 ovs_be64 cookie; /* Opaque controller-issued identifier. */
376 ovs_be16 command; /* One of OFPFC_*. */
377 ovs_be16 idle_timeout; /* Idle time before discarding (seconds). */
378 ovs_be16 hard_timeout; /* Max time before discarding (seconds). */
379 ovs_be16 priority; /* Priority level of flow entry. */
380 ovs_be32 buffer_id; /* Buffered packet to apply to (or -1).
381 Not meaningful for OFPFC_DELETE*. */
382 ovs_be16 out_port; /* For OFPFC_DELETE* commands, require
383 matching entries to include this as an
384 output port. A value of OFPP_NONE
385 indicates no restriction. */
386 ovs_be16 flags; /* One of OFPFF_*. */
387 struct ofp_action_header actions[0]; /* The action length is inferred
388 from the length field in the
391 OFP_ASSERT(sizeof(struct ofp10_flow_mod) == 64);
393 /* Flow removed (datapath -> controller). */
394 struct ofp_flow_removed {
395 struct ofp10_match match; /* Description of fields. */
396 ovs_be64 cookie; /* Opaque controller-issued identifier. */
398 ovs_be16 priority; /* Priority level of flow entry. */
399 uint8_t reason; /* One of OFPRR_*. */
400 uint8_t pad[1]; /* Align to 32-bits. */
402 ovs_be32 duration_sec; /* Time flow was alive in seconds. */
403 ovs_be32 duration_nsec; /* Time flow was alive in nanoseconds beyond
405 ovs_be16 idle_timeout; /* Idle timeout from original flow mod. */
406 uint8_t pad2[2]; /* Align to 64-bits. */
407 ovs_be64 packet_count;
410 OFP_ASSERT(sizeof(struct ofp_flow_removed) == 80);
412 /* OFPT_ERROR: Error message (datapath -> controller). */
413 struct ofp_error_msg {
416 uint8_t data[0]; /* Variable-length data. Interpreted based
417 on the type and code. */
419 OFP_ASSERT(sizeof(struct ofp_error_msg) == 4);
421 /* Statistics request or reply message. */
422 struct ofp10_stats_msg {
423 struct ofp_header header;
424 ovs_be16 type; /* One of the OFPST_* constants. */
425 ovs_be16 flags; /* Requests: always 0.
426 * Replies: 0 or OFPSF_REPLY_MORE. */
428 OFP_ASSERT(sizeof(struct ofp10_stats_msg) == 12);
430 enum ofp_stats_reply_flags {
431 OFPSF_REPLY_MORE = 1 << 0 /* More replies to follow. */
434 /* Stats request of type OFPST_AGGREGATE or OFPST_FLOW. */
435 struct ofp10_flow_stats_request {
436 struct ofp10_match match; /* Fields to match. */
437 uint8_t table_id; /* ID of table to read (from ofp_table_stats)
438 or 0xff for all tables. */
439 uint8_t pad; /* Align to 32 bits. */
440 ovs_be16 out_port; /* Require matching entries to include this
441 as an output port. A value of OFPP_NONE
442 indicates no restriction. */
444 OFP_ASSERT(sizeof(struct ofp10_flow_stats_request) == 44);
446 /* Body of reply to OFPST_FLOW request. */
447 struct ofp10_flow_stats {
448 ovs_be16 length; /* Length of this entry. */
449 uint8_t table_id; /* ID of table flow came from. */
451 struct ofp10_match match; /* Description of fields. */
452 ovs_be32 duration_sec; /* Time flow has been alive in seconds. */
453 ovs_be32 duration_nsec; /* Time flow has been alive in nanoseconds
454 beyond duration_sec. */
455 ovs_be16 priority; /* Priority of the entry. Only meaningful
456 when this is not an exact-match entry. */
457 ovs_be16 idle_timeout; /* Number of seconds idle before expiration. */
458 ovs_be16 hard_timeout; /* Number of seconds before expiration. */
459 uint8_t pad2[6]; /* Align to 64 bits. */
460 ovs_32aligned_be64 cookie; /* Opaque controller-issued identifier. */
461 ovs_32aligned_be64 packet_count; /* Number of packets in flow. */
462 ovs_32aligned_be64 byte_count; /* Number of bytes in flow. */
463 struct ofp_action_header actions[0]; /* Actions. */
465 OFP_ASSERT(sizeof(struct ofp10_flow_stats) == 88);
467 /* Body of reply to OFPST_TABLE request. */
468 struct ofp10_table_stats {
469 uint8_t table_id; /* Identifier of table. Lower numbered tables
470 are consulted first. */
471 uint8_t pad[3]; /* Align to 32-bits. */
472 char name[OFP_MAX_TABLE_NAME_LEN];
473 ovs_be32 wildcards; /* Bitmap of OFPFW10_* wildcards that are
474 supported by the table. */
475 ovs_be32 max_entries; /* Max number of entries supported. */
476 ovs_be32 active_count; /* Number of active entries. */
477 ovs_32aligned_be64 lookup_count; /* # of packets looked up in table. */
478 ovs_32aligned_be64 matched_count; /* Number of packets that hit table. */
480 OFP_ASSERT(sizeof(struct ofp10_table_stats) == 64);
482 /* Stats request of type OFPST_PORT. */
483 struct ofp10_port_stats_request {
484 ovs_be16 port_no; /* OFPST_PORT message may request statistics
485 for a single port (specified with port_no)
486 or for all ports (port_no == OFPP_NONE). */
489 OFP_ASSERT(sizeof(struct ofp10_port_stats_request) == 8);
491 /* Body of reply to OFPST_PORT request. If a counter is unsupported, set
492 * the field to all ones. */
493 struct ofp10_port_stats {
495 uint8_t pad[6]; /* Align to 64-bits. */
496 ovs_32aligned_be64 rx_packets; /* Number of received packets. */
497 ovs_32aligned_be64 tx_packets; /* Number of transmitted packets. */
498 ovs_32aligned_be64 rx_bytes; /* Number of received bytes. */
499 ovs_32aligned_be64 tx_bytes; /* Number of transmitted bytes. */
500 ovs_32aligned_be64 rx_dropped; /* Number of packets dropped by RX. */
501 ovs_32aligned_be64 tx_dropped; /* Number of packets dropped by TX. */
502 ovs_32aligned_be64 rx_errors; /* Number of receive errors. This is a
503 super-set of receive errors and should be
504 great than or equal to the sum of all
506 ovs_32aligned_be64 tx_errors; /* Number of transmit errors. This is a
507 super-set of transmit errors. */
508 ovs_32aligned_be64 rx_frame_err; /* Number of frame alignment errors. */
509 ovs_32aligned_be64 rx_over_err; /* Number of packets with RX overrun. */
510 ovs_32aligned_be64 rx_crc_err; /* Number of CRC errors. */
511 ovs_32aligned_be64 collisions; /* Number of collisions. */
513 OFP_ASSERT(sizeof(struct ofp10_port_stats) == 104);
515 /* All ones is used to indicate all queues in a port (for stats retrieval). */
516 #define OFPQ_ALL 0xffffffff
518 /* Body for stats request of type OFPST_QUEUE. */
519 struct ofp10_queue_stats_request {
520 ovs_be16 port_no; /* All ports if OFPP_ALL. */
521 uint8_t pad[2]; /* Align to 32-bits. */
522 ovs_be32 queue_id; /* All queues if OFPQ_ALL. */
524 OFP_ASSERT(sizeof(struct ofp10_queue_stats_request) == 8);
526 /* Body for stats reply of type OFPST_QUEUE consists of an array of this
528 struct ofp10_queue_stats {
530 uint8_t pad[2]; /* Align to 32-bits. */
531 ovs_be32 queue_id; /* Queue id. */
532 ovs_32aligned_be64 tx_bytes; /* Number of transmitted bytes. */
533 ovs_32aligned_be64 tx_packets; /* Number of transmitted packets. */
534 ovs_32aligned_be64 tx_errors; /* # of packets dropped due to overrun. */
536 OFP_ASSERT(sizeof(struct ofp10_queue_stats) == 32);
538 /* Vendor extension stats message. */
539 struct ofp10_vendor_stats_msg {
540 struct ofp10_stats_msg osm; /* Type OFPST_VENDOR. */
541 ovs_be32 vendor; /* Vendor ID:
542 * - MSB 0: low-order bytes are IEEE OUI.
543 * - MSB != 0: defined by OpenFlow
545 /* Followed by vendor-defined arbitrary additional data. */
547 OFP_ASSERT(sizeof(struct ofp10_vendor_stats_msg) == 16);
549 /* Vendor extension. */
550 struct ofp_vendor_header {
551 struct ofp_header header; /* Type OFPT_VENDOR. */
552 ovs_be32 vendor; /* Vendor ID:
553 * - MSB 0: low-order bytes are IEEE OUI.
554 * - MSB != 0: defined by OpenFlow
556 /* Vendor-defined arbitrary additional data. */
558 OFP_ASSERT(sizeof(struct ofp_vendor_header) == 12);
560 #endif /* openflow/openflow-1.0.h */