3 * Copyright (c) 2007-2013 Nicira, Inc.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of version 2 of the GNU General Public
7 * License as published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
20 #ifndef _UAPI__LINUX_OPENVSWITCH_H
21 #define _UAPI__LINUX_OPENVSWITCH_H 1
23 #include <linux/types.h>
24 #include <linux/if_ether.h>
27 * struct ovs_header - header for OVS Generic Netlink messages.
28 * @dp_ifindex: ifindex of local port for datapath (0 to make a request not
29 * specific to a datapath).
31 * Attributes following the header are specific to a particular OVS Generic
32 * Netlink family, but all of the OVS families use this header.
41 #define OVS_DATAPATH_FAMILY "ovs_datapath"
42 #define OVS_DATAPATH_MCGROUP "ovs_datapath"
45 * - API users are expected to provide OVS_DP_ATTR_USER_FEATURES
46 * when creating the datapath.
48 #define OVS_DATAPATH_VERSION 2
50 /* First OVS datapath version to support features */
51 #define OVS_DP_VER_FEATURES 2
53 enum ovs_datapath_cmd
{
62 * enum ovs_datapath_attr - attributes for %OVS_DP_* commands.
63 * @OVS_DP_ATTR_NAME: Name of the network device that serves as the "local
64 * port". This is the name of the network device whose dp_ifindex is given in
65 * the &struct ovs_header. Always present in notifications. Required in
66 * %OVS_DP_NEW requests. May be used as an alternative to specifying
67 * dp_ifindex in other requests (with a dp_ifindex of 0).
68 * @OVS_DP_ATTR_UPCALL_PID: The Netlink socket in userspace that is initially
69 * set on the datapath port (for OVS_ACTION_ATTR_MISS). Only valid on
70 * %OVS_DP_CMD_NEW requests. A value of zero indicates that upcalls should
72 * @OVS_DP_ATTR_STATS: Statistics about packets that have passed through the
73 * datapath. Always present in notifications.
74 * @OVS_DP_ATTR_MEGAFLOW_STATS: Statistics about mega flow masks usage for the
75 * datapath. Always present in notifications.
77 * These attributes follow the &struct ovs_header within the Generic Netlink
78 * payload for %OVS_DP_* commands.
80 enum ovs_datapath_attr
{
82 OVS_DP_ATTR_NAME
, /* name of dp_ifindex netdev */
83 OVS_DP_ATTR_UPCALL_PID
, /* Netlink PID to receive upcalls */
84 OVS_DP_ATTR_STATS
, /* struct ovs_dp_stats */
85 OVS_DP_ATTR_MEGAFLOW_STATS
, /* struct ovs_dp_megaflow_stats */
86 OVS_DP_ATTR_USER_FEATURES
, /* OVS_DP_F_* */
90 #define OVS_DP_ATTR_MAX (__OVS_DP_ATTR_MAX - 1)
93 __u64 n_hit
; /* Number of flow table matches. */
94 __u64 n_missed
; /* Number of flow table misses. */
95 __u64 n_lost
; /* Number of misses not sent to userspace. */
96 __u64 n_flows
; /* Number of flows present */
99 struct ovs_dp_megaflow_stats
{
100 __u64 n_mask_hit
; /* Number of masks used for flow lookups. */
101 __u32 n_masks
; /* Number of masks for the datapath. */
102 __u32 pad0
; /* Pad for future expension. */
103 __u64 pad1
; /* Pad for future expension. */
104 __u64 pad2
; /* Pad for future expension. */
107 struct ovs_vport_stats
{
108 __u64 rx_packets
; /* total packets received */
109 __u64 tx_packets
; /* total packets transmitted */
110 __u64 rx_bytes
; /* total bytes received */
111 __u64 tx_bytes
; /* total bytes transmitted */
112 __u64 rx_errors
; /* bad packets received */
113 __u64 tx_errors
; /* packet transmit problems */
114 __u64 rx_dropped
; /* no space in linux buffers */
115 __u64 tx_dropped
; /* no space available in linux */
118 /* Allow last Netlink attribute to be unaligned */
119 #define OVS_DP_F_UNALIGNED (1 << 0)
121 /* Allow datapath to associate multiple Netlink PIDs to each vport */
122 #define OVS_DP_F_VPORT_PIDS (1 << 1)
124 /* Fixed logical ports. */
125 #define OVSP_LOCAL ((__u32)0)
127 /* Packet transfer. */
129 #define OVS_PACKET_FAMILY "ovs_packet"
130 #define OVS_PACKET_VERSION 0x1
132 enum ovs_packet_cmd
{
133 OVS_PACKET_CMD_UNSPEC
,
135 /* Kernel-to-user notifications. */
136 OVS_PACKET_CMD_MISS
, /* Flow table miss. */
137 OVS_PACKET_CMD_ACTION
, /* OVS_ACTION_ATTR_USERSPACE action. */
139 /* Userspace commands. */
140 OVS_PACKET_CMD_EXECUTE
/* Apply actions to a packet. */
144 * enum ovs_packet_attr - attributes for %OVS_PACKET_* commands.
145 * @OVS_PACKET_ATTR_PACKET: Present for all notifications. Contains the entire
146 * packet as received, from the start of the Ethernet header onward. For
147 * %OVS_PACKET_CMD_ACTION, %OVS_PACKET_ATTR_PACKET reflects changes made by
148 * actions preceding %OVS_ACTION_ATTR_USERSPACE, but %OVS_PACKET_ATTR_KEY is
149 * the flow key extracted from the packet as originally received.
150 * @OVS_PACKET_ATTR_KEY: Present for all notifications. Contains the flow key
151 * extracted from the packet as nested %OVS_KEY_ATTR_* attributes. This allows
152 * userspace to adapt its flow setup strategy by comparing its notion of the
153 * flow key against the kernel's.
154 * @OVS_PACKET_ATTR_ACTIONS: Contains actions for the packet. Used
155 * for %OVS_PACKET_CMD_EXECUTE. It has nested %OVS_ACTION_ATTR_* attributes.
156 * @OVS_PACKET_ATTR_USERDATA: Present for an %OVS_PACKET_CMD_ACTION
157 * notification if the %OVS_ACTION_ATTR_USERSPACE action specified an
158 * %OVS_USERSPACE_ATTR_USERDATA attribute, with the same length and content
161 * These attributes follow the &struct ovs_header within the Generic Netlink
162 * payload for %OVS_PACKET_* commands.
164 enum ovs_packet_attr
{
165 OVS_PACKET_ATTR_UNSPEC
,
166 OVS_PACKET_ATTR_PACKET
, /* Packet data. */
167 OVS_PACKET_ATTR_KEY
, /* Nested OVS_KEY_ATTR_* attributes. */
168 OVS_PACKET_ATTR_ACTIONS
, /* Nested OVS_ACTION_ATTR_* attributes. */
169 OVS_PACKET_ATTR_USERDATA
, /* OVS_ACTION_ATTR_USERSPACE arg. */
170 __OVS_PACKET_ATTR_MAX
173 #define OVS_PACKET_ATTR_MAX (__OVS_PACKET_ATTR_MAX - 1)
177 #define OVS_VPORT_FAMILY "ovs_vport"
178 #define OVS_VPORT_MCGROUP "ovs_vport"
179 #define OVS_VPORT_VERSION 0x1
182 OVS_VPORT_CMD_UNSPEC
,
189 enum ovs_vport_type
{
190 OVS_VPORT_TYPE_UNSPEC
,
191 OVS_VPORT_TYPE_NETDEV
, /* network device */
192 OVS_VPORT_TYPE_INTERNAL
, /* network device implemented by datapath */
193 OVS_VPORT_TYPE_GRE
, /* GRE tunnel. */
194 OVS_VPORT_TYPE_VXLAN
, /* VXLAN tunnel. */
195 OVS_VPORT_TYPE_GENEVE
, /* Geneve tunnel. */
199 #define OVS_VPORT_TYPE_MAX (__OVS_VPORT_TYPE_MAX - 1)
202 * enum ovs_vport_attr - attributes for %OVS_VPORT_* commands.
203 * @OVS_VPORT_ATTR_PORT_NO: 32-bit port number within datapath.
204 * @OVS_VPORT_ATTR_TYPE: 32-bit %OVS_VPORT_TYPE_* constant describing the type
206 * @OVS_VPORT_ATTR_NAME: Name of vport. For a vport based on a network device
207 * this is the name of the network device. Maximum length %IFNAMSIZ-1 bytes
208 * plus a null terminator.
209 * @OVS_VPORT_ATTR_OPTIONS: Vport-specific configuration information.
210 * @OVS_VPORT_ATTR_UPCALL_PID: The array of Netlink socket pids in userspace
211 * among which OVS_PACKET_CMD_MISS upcalls will be distributed for packets
212 * received on this port. If this is a single-element array of value 0,
213 * upcalls should not be sent.
214 * @OVS_VPORT_ATTR_STATS: A &struct ovs_vport_stats giving statistics for
215 * packets sent or received through the vport.
217 * These attributes follow the &struct ovs_header within the Generic Netlink
218 * payload for %OVS_VPORT_* commands.
220 * For %OVS_VPORT_CMD_NEW requests, the %OVS_VPORT_ATTR_TYPE and
221 * %OVS_VPORT_ATTR_NAME attributes are required. %OVS_VPORT_ATTR_PORT_NO is
222 * optional; if not specified a free port number is automatically selected.
223 * Whether %OVS_VPORT_ATTR_OPTIONS is required or optional depends on the type
226 * For other requests, if %OVS_VPORT_ATTR_NAME is specified then it is used to
227 * look up the vport to operate on; otherwise dp_idx from the &struct
228 * ovs_header plus %OVS_VPORT_ATTR_PORT_NO determine the vport.
230 enum ovs_vport_attr
{
231 OVS_VPORT_ATTR_UNSPEC
,
232 OVS_VPORT_ATTR_PORT_NO
, /* u32 port number within datapath */
233 OVS_VPORT_ATTR_TYPE
, /* u32 OVS_VPORT_TYPE_* constant. */
234 OVS_VPORT_ATTR_NAME
, /* string name, up to IFNAMSIZ bytes long */
235 OVS_VPORT_ATTR_OPTIONS
, /* nested attributes, varies by vport type */
236 OVS_VPORT_ATTR_UPCALL_PID
, /* array of u32 Netlink socket PIDs for */
237 /* receiving upcalls */
238 OVS_VPORT_ATTR_STATS
, /* struct ovs_vport_stats */
242 #define OVS_VPORT_ATTR_MAX (__OVS_VPORT_ATTR_MAX - 1)
244 /* OVS_VPORT_ATTR_OPTIONS attributes for tunnels.
247 OVS_TUNNEL_ATTR_UNSPEC
,
248 OVS_TUNNEL_ATTR_DST_PORT
, /* 16-bit UDP port, used by L4 tunnels. */
249 __OVS_TUNNEL_ATTR_MAX
252 #define OVS_TUNNEL_ATTR_MAX (__OVS_TUNNEL_ATTR_MAX - 1)
256 #define OVS_FLOW_FAMILY "ovs_flow"
257 #define OVS_FLOW_MCGROUP "ovs_flow"
258 #define OVS_FLOW_VERSION 0x1
268 struct ovs_flow_stats
{
269 __u64 n_packets
; /* Number of matched packets. */
270 __u64 n_bytes
; /* Number of matched bytes. */
275 OVS_KEY_ATTR_ENCAP
, /* Nested set of encapsulated attributes. */
276 OVS_KEY_ATTR_PRIORITY
, /* u32 skb->priority */
277 OVS_KEY_ATTR_IN_PORT
, /* u32 OVS dp port number */
278 OVS_KEY_ATTR_ETHERNET
, /* struct ovs_key_ethernet */
279 OVS_KEY_ATTR_VLAN
, /* be16 VLAN TCI */
280 OVS_KEY_ATTR_ETHERTYPE
, /* be16 Ethernet type */
281 OVS_KEY_ATTR_IPV4
, /* struct ovs_key_ipv4 */
282 OVS_KEY_ATTR_IPV6
, /* struct ovs_key_ipv6 */
283 OVS_KEY_ATTR_TCP
, /* struct ovs_key_tcp */
284 OVS_KEY_ATTR_UDP
, /* struct ovs_key_udp */
285 OVS_KEY_ATTR_ICMP
, /* struct ovs_key_icmp */
286 OVS_KEY_ATTR_ICMPV6
, /* struct ovs_key_icmpv6 */
287 OVS_KEY_ATTR_ARP
, /* struct ovs_key_arp */
288 OVS_KEY_ATTR_ND
, /* struct ovs_key_nd */
289 OVS_KEY_ATTR_SKB_MARK
, /* u32 skb mark */
290 OVS_KEY_ATTR_TUNNEL
, /* Nested set of ovs_tunnel attributes */
291 OVS_KEY_ATTR_SCTP
, /* struct ovs_key_sctp */
292 OVS_KEY_ATTR_TCP_FLAGS
, /* be16 TCP flags. */
293 OVS_KEY_ATTR_DP_HASH
, /* u32 hash value. Value 0 indicates the hash
294 is not computed by the datapath. */
295 OVS_KEY_ATTR_RECIRC_ID
, /* u32 recirc id */
298 OVS_KEY_ATTR_TUNNEL_INFO
, /* struct ovs_tunnel_info */
303 #define OVS_KEY_ATTR_MAX (__OVS_KEY_ATTR_MAX - 1)
305 enum ovs_tunnel_key_attr
{
306 OVS_TUNNEL_KEY_ATTR_ID
, /* be64 Tunnel ID */
307 OVS_TUNNEL_KEY_ATTR_IPV4_SRC
, /* be32 src IP address. */
308 OVS_TUNNEL_KEY_ATTR_IPV4_DST
, /* be32 dst IP address. */
309 OVS_TUNNEL_KEY_ATTR_TOS
, /* u8 Tunnel IP ToS. */
310 OVS_TUNNEL_KEY_ATTR_TTL
, /* u8 Tunnel IP TTL. */
311 OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT
, /* No argument, set DF. */
312 OVS_TUNNEL_KEY_ATTR_CSUM
, /* No argument. CSUM packet. */
313 OVS_TUNNEL_KEY_ATTR_OAM
, /* No argument. OAM frame. */
314 OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS
, /* Array of Geneve options. */
315 __OVS_TUNNEL_KEY_ATTR_MAX
318 #define OVS_TUNNEL_KEY_ATTR_MAX (__OVS_TUNNEL_KEY_ATTR_MAX - 1)
321 * enum ovs_frag_type - IPv4 and IPv6 fragment type
322 * @OVS_FRAG_TYPE_NONE: Packet is not a fragment.
323 * @OVS_FRAG_TYPE_FIRST: Packet is a fragment with offset 0.
324 * @OVS_FRAG_TYPE_LATER: Packet is a fragment with nonzero offset.
326 * Used as the @ipv4_frag in &struct ovs_key_ipv4 and as @ipv6_frag &struct
336 #define OVS_FRAG_TYPE_MAX (__OVS_FRAG_TYPE_MAX - 1)
338 struct ovs_key_ethernet
{
339 __u8 eth_src
[ETH_ALEN
];
340 __u8 eth_dst
[ETH_ALEN
];
343 struct ovs_key_ipv4
{
349 __u8 ipv4_frag
; /* One of OVS_FRAG_TYPE_*. */
352 struct ovs_key_ipv6
{
355 __be32 ipv6_label
; /* 20-bits in least-significant bits. */
359 __u8 ipv6_frag
; /* One of OVS_FRAG_TYPE_*. */
372 struct ovs_key_sctp
{
377 struct ovs_key_icmp
{
382 struct ovs_key_icmpv6
{
391 __u8 arp_sha
[ETH_ALEN
];
392 __u8 arp_tha
[ETH_ALEN
];
397 __u8 nd_sll
[ETH_ALEN
];
398 __u8 nd_tll
[ETH_ALEN
];
402 * enum ovs_flow_attr - attributes for %OVS_FLOW_* commands.
403 * @OVS_FLOW_ATTR_KEY: Nested %OVS_KEY_ATTR_* attributes specifying the flow
404 * key. Always present in notifications. Required for all requests (except
406 * @OVS_FLOW_ATTR_ACTIONS: Nested %OVS_ACTION_ATTR_* attributes specifying
407 * the actions to take for packets that match the key. Always present in
408 * notifications. Required for %OVS_FLOW_CMD_NEW requests, optional for
409 * %OVS_FLOW_CMD_SET requests. An %OVS_FLOW_CMD_SET without
410 * %OVS_FLOW_ATTR_ACTIONS will not modify the actions. To clear the actions,
411 * an %OVS_FLOW_ATTR_ACTIONS without any nested attributes must be given.
412 * @OVS_FLOW_ATTR_STATS: &struct ovs_flow_stats giving statistics for this
413 * flow. Present in notifications if the stats would be nonzero. Ignored in
415 * @OVS_FLOW_ATTR_TCP_FLAGS: An 8-bit value giving the OR'd value of all of the
416 * TCP flags seen on packets in this flow. Only present in notifications for
417 * TCP flows, and only if it would be nonzero. Ignored in requests.
418 * @OVS_FLOW_ATTR_USED: A 64-bit integer giving the time, in milliseconds on
419 * the system monotonic clock, at which a packet was last processed for this
420 * flow. Only present in notifications if a packet has been processed for this
421 * flow. Ignored in requests.
422 * @OVS_FLOW_ATTR_CLEAR: If present in a %OVS_FLOW_CMD_SET request, clears the
423 * last-used time, accumulated TCP flags, and statistics for this flow.
424 * Otherwise ignored in requests. Never present in notifications.
425 * @OVS_FLOW_ATTR_MASK: Nested %OVS_KEY_ATTR_* attributes specifying the
426 * mask bits for wildcarded flow match. Mask bit value '1' specifies exact
427 * match with corresponding flow key bit, while mask bit value '0' specifies
428 * a wildcarded match. Omitting attribute is treated as wildcarding all
429 * corresponding fields. Optional for all requests. If not present,
430 * all flow key bits are exact match bits.
432 * These attributes follow the &struct ovs_header within the Generic Netlink
433 * payload for %OVS_FLOW_* commands.
436 OVS_FLOW_ATTR_UNSPEC
,
437 OVS_FLOW_ATTR_KEY
, /* Sequence of OVS_KEY_ATTR_* attributes. */
438 OVS_FLOW_ATTR_ACTIONS
, /* Nested OVS_ACTION_ATTR_* attributes. */
439 OVS_FLOW_ATTR_STATS
, /* struct ovs_flow_stats. */
440 OVS_FLOW_ATTR_TCP_FLAGS
, /* 8-bit OR'd TCP flags. */
441 OVS_FLOW_ATTR_USED
, /* u64 msecs last used in monotonic time. */
442 OVS_FLOW_ATTR_CLEAR
, /* Flag to clear stats, tcp_flags, used. */
443 OVS_FLOW_ATTR_MASK
, /* Sequence of OVS_KEY_ATTR_* attributes. */
447 #define OVS_FLOW_ATTR_MAX (__OVS_FLOW_ATTR_MAX - 1)
450 * enum ovs_sample_attr - Attributes for %OVS_ACTION_ATTR_SAMPLE action.
451 * @OVS_SAMPLE_ATTR_PROBABILITY: 32-bit fraction of packets to sample with
452 * @OVS_ACTION_ATTR_SAMPLE. A value of 0 samples no packets, a value of
453 * %UINT32_MAX samples all packets and intermediate values sample intermediate
454 * fractions of packets.
455 * @OVS_SAMPLE_ATTR_ACTIONS: Set of actions to execute in sampling event.
456 * Actions are passed as nested attributes.
458 * Executes the specified actions with the given probability on a per-packet
461 enum ovs_sample_attr
{
462 OVS_SAMPLE_ATTR_UNSPEC
,
463 OVS_SAMPLE_ATTR_PROBABILITY
, /* u32 number */
464 OVS_SAMPLE_ATTR_ACTIONS
, /* Nested OVS_ACTION_ATTR_* attributes. */
465 __OVS_SAMPLE_ATTR_MAX
,
468 #define OVS_SAMPLE_ATTR_MAX (__OVS_SAMPLE_ATTR_MAX - 1)
471 * enum ovs_userspace_attr - Attributes for %OVS_ACTION_ATTR_USERSPACE action.
472 * @OVS_USERSPACE_ATTR_PID: u32 Netlink PID to which the %OVS_PACKET_CMD_ACTION
473 * message should be sent. Required.
474 * @OVS_USERSPACE_ATTR_USERDATA: If present, its variable-length argument is
475 * copied to the %OVS_PACKET_CMD_ACTION message as %OVS_PACKET_ATTR_USERDATA.
477 enum ovs_userspace_attr
{
478 OVS_USERSPACE_ATTR_UNSPEC
,
479 OVS_USERSPACE_ATTR_PID
, /* u32 Netlink PID to receive upcalls. */
480 OVS_USERSPACE_ATTR_USERDATA
, /* Optional user-specified cookie. */
481 __OVS_USERSPACE_ATTR_MAX
484 #define OVS_USERSPACE_ATTR_MAX (__OVS_USERSPACE_ATTR_MAX - 1)
487 * struct ovs_action_push_vlan - %OVS_ACTION_ATTR_PUSH_VLAN action argument.
488 * @vlan_tpid: Tag protocol identifier (TPID) to push.
489 * @vlan_tci: Tag control identifier (TCI) to push. The CFI bit must be set
490 * (but it will not be set in the 802.1Q header that is pushed).
492 * The @vlan_tpid value is typically %ETH_P_8021Q. The only acceptable TPID
493 * values are those that the kernel module also parses as 802.1Q headers, to
494 * prevent %OVS_ACTION_ATTR_PUSH_VLAN followed by %OVS_ACTION_ATTR_POP_VLAN
495 * from having surprising results.
497 struct ovs_action_push_vlan
{
498 __be16 vlan_tpid
; /* 802.1Q TPID. */
499 __be16 vlan_tci
; /* 802.1Q TCI (VLAN ID and priority). */
502 /* Data path hash algorithm for computing Datapath hash.
504 * The algorithm type only specifies the fields in a flow
505 * will be used as part of the hash. Each datapath is free
506 * to use its own hash algorithm. The hash value will be
507 * opaque to the user space daemon.
514 * struct ovs_action_hash - %OVS_ACTION_ATTR_HASH action argument.
515 * @hash_alg: Algorithm used to compute hash prior to recirculation.
516 * @hash_basis: basis used for computing hash.
518 struct ovs_action_hash
{
519 uint32_t hash_alg
; /* One of ovs_hash_alg. */
524 * enum ovs_action_attr - Action types.
526 * @OVS_ACTION_ATTR_OUTPUT: Output packet to port.
527 * @OVS_ACTION_ATTR_USERSPACE: Send packet to userspace according to nested
528 * %OVS_USERSPACE_ATTR_* attributes.
529 * @OVS_ACTION_ATTR_SET: Replaces the contents of an existing header. The
530 * single nested %OVS_KEY_ATTR_* attribute specifies a header to modify and its
532 * @OVS_ACTION_ATTR_PUSH_VLAN: Push a new outermost 802.1Q header onto the
534 * @OVS_ACTION_ATTR_POP_VLAN: Pop the outermost 802.1Q header off the packet.
535 * @OVS_ACTION_ATTR_SAMPLE: Probabilitically executes actions, as specified in
536 * the nested %OVS_SAMPLE_ATTR_* attributes.
538 * Only a single header can be set with a single %OVS_ACTION_ATTR_SET. Not all
539 * fields within a header are modifiable, e.g. the IPv4 protocol and fragment
540 * type may not be changed.
543 enum ovs_action_attr
{
544 OVS_ACTION_ATTR_UNSPEC
,
545 OVS_ACTION_ATTR_OUTPUT
, /* u32 port number. */
546 OVS_ACTION_ATTR_USERSPACE
, /* Nested OVS_USERSPACE_ATTR_*. */
547 OVS_ACTION_ATTR_SET
, /* One nested OVS_KEY_ATTR_*. */
548 OVS_ACTION_ATTR_PUSH_VLAN
, /* struct ovs_action_push_vlan. */
549 OVS_ACTION_ATTR_POP_VLAN
, /* No argument. */
550 OVS_ACTION_ATTR_SAMPLE
, /* Nested OVS_SAMPLE_ATTR_*. */
551 OVS_ACTION_ATTR_RECIRC
, /* u32 recirc_id. */
552 OVS_ACTION_ATTR_HASH
, /* struct ovs_action_hash. */
553 __OVS_ACTION_ATTR_MAX
556 #define OVS_ACTION_ATTR_MAX (__OVS_ACTION_ATTR_MAX - 1)
558 #endif /* _LINUX_OPENVSWITCH_H */