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40 #ifndef _LINUX_OPENVSWITCH_H
41 #define _LINUX_OPENVSWITCH_H 1
43 #include <linux/types.h>
44 #include <linux/if_ether.h>
47 * struct ovs_header - header for OVS Generic Netlink messages.
48 * @dp_ifindex: ifindex of local port for datapath (0 to make a request not
49 * specific to a datapath).
51 * Attributes following the header are specific to a particular OVS Generic
52 * Netlink family, but all of the OVS families use this header.
61 #define OVS_DATAPATH_FAMILY "ovs_datapath"
62 #define OVS_DATAPATH_MCGROUP "ovs_datapath"
65 * - API users are expected to provide OVS_DP_ATTR_USER_FEATURES
66 * when creating the datapath.
68 #define OVS_DATAPATH_VERSION 2
70 /* First OVS datapath version to support features */
71 #define OVS_DP_VER_FEATURES 2
73 enum ovs_datapath_cmd {
82 * enum ovs_datapath_attr - attributes for %OVS_DP_* commands.
83 * @OVS_DP_ATTR_NAME: Name of the network device that serves as the "local
84 * port". This is the name of the network device whose dp_ifindex is given in
85 * the &struct ovs_header. Always present in notifications. Required in
86 * %OVS_DP_NEW requests. May be used as an alternative to specifying
87 * dp_ifindex in other requests (with a dp_ifindex of 0).
88 * @OVS_DP_ATTR_UPCALL_PID: The Netlink socket in userspace that is initially
89 * set on the datapath port (for OVS_ACTION_ATTR_MISS). Only valid on
90 * %OVS_DP_CMD_NEW requests. A value of zero indicates that upcalls should
92 * @OVS_DP_ATTR_STATS: Statistics about packets that have passed through the
93 * datapath. Always present in notifications.
94 * @OVS_DP_ATTR_MEGAFLOW_STATS: Statistics about mega flow masks usage for the
95 * datapath. Always present in notifications.
97 * These attributes follow the &struct ovs_header within the Generic Netlink
98 * payload for %OVS_DP_* commands.
100 enum ovs_datapath_attr {
102 OVS_DP_ATTR_NAME, /* name of dp_ifindex netdev */
103 OVS_DP_ATTR_UPCALL_PID, /* Netlink PID to receive upcalls */
104 OVS_DP_ATTR_STATS, /* struct ovs_dp_stats */
105 OVS_DP_ATTR_MEGAFLOW_STATS, /* struct ovs_dp_megaflow_stats */
106 OVS_DP_ATTR_USER_FEATURES, /* OVS_DP_F_* */
110 #define OVS_DP_ATTR_MAX (__OVS_DP_ATTR_MAX - 1)
112 struct ovs_dp_stats {
113 __u64 n_hit; /* Number of flow table matches. */
114 __u64 n_missed; /* Number of flow table misses. */
115 __u64 n_lost; /* Number of misses not sent to userspace. */
116 __u64 n_flows; /* Number of flows present */
119 struct ovs_dp_megaflow_stats {
120 __u64 n_mask_hit; /* Number of masks used for flow lookups. */
121 __u32 n_masks; /* Number of masks for the datapath. */
122 __u32 pad0; /* Pad for future expension. */
123 __u64 pad1; /* Pad for future expension. */
124 __u64 pad2; /* Pad for future expension. */
127 struct ovs_vport_stats {
128 __u64 rx_packets; /* total packets received */
129 __u64 tx_packets; /* total packets transmitted */
130 __u64 rx_bytes; /* total bytes received */
131 __u64 tx_bytes; /* total bytes transmitted */
132 __u64 rx_errors; /* bad packets received */
133 __u64 tx_errors; /* packet transmit problems */
134 __u64 rx_dropped; /* no space in linux buffers */
135 __u64 tx_dropped; /* no space available in linux */
138 /* Allow last Netlink attribute to be unaligned */
139 #define OVS_DP_F_UNALIGNED (1 << 0)
141 /* Allow datapath to associate multiple Netlink PIDs to each vport */
142 #define OVS_DP_F_VPORT_PIDS (1 << 1)
144 /* Fixed logical ports. */
145 #define OVSP_LOCAL ((__u32)0)
147 /* Packet transfer. */
149 #define OVS_PACKET_FAMILY "ovs_packet"
150 #define OVS_PACKET_VERSION 0x1
152 enum ovs_packet_cmd {
153 OVS_PACKET_CMD_UNSPEC,
155 /* Kernel-to-user notifications. */
156 OVS_PACKET_CMD_MISS, /* Flow table miss. */
157 OVS_PACKET_CMD_ACTION, /* OVS_ACTION_ATTR_USERSPACE action. */
159 /* Userspace commands. */
160 OVS_PACKET_CMD_EXECUTE /* Apply actions to a packet. */
164 * enum ovs_packet_attr - attributes for %OVS_PACKET_* commands.
165 * @OVS_PACKET_ATTR_PACKET: Present for all notifications. Contains the entire
166 * packet as received, from the start of the Ethernet header onward. For
167 * %OVS_PACKET_CMD_ACTION, %OVS_PACKET_ATTR_PACKET reflects changes made by
168 * actions preceding %OVS_ACTION_ATTR_USERSPACE, but %OVS_PACKET_ATTR_KEY is
169 * the flow key extracted from the packet as originally received.
170 * @OVS_PACKET_ATTR_KEY: Present for all notifications. Contains the flow key
171 * extracted from the packet as nested %OVS_KEY_ATTR_* attributes. This allows
172 * userspace to adapt its flow setup strategy by comparing its notion of the
173 * flow key against the kernel's.
174 * @OVS_PACKET_ATTR_ACTIONS: Contains actions for the packet. Used
175 * for %OVS_PACKET_CMD_EXECUTE. It has nested %OVS_ACTION_ATTR_* attributes.
176 * @OVS_PACKET_ATTR_USERDATA: Present for an %OVS_PACKET_CMD_ACTION
177 * notification if the %OVS_ACTION_ATTR_USERSPACE action specified an
178 * %OVS_USERSPACE_ATTR_USERDATA attribute, with the same length and content
181 * These attributes follow the &struct ovs_header within the Generic Netlink
182 * payload for %OVS_PACKET_* commands.
184 enum ovs_packet_attr {
185 OVS_PACKET_ATTR_UNSPEC,
186 OVS_PACKET_ATTR_PACKET, /* Packet data. */
187 OVS_PACKET_ATTR_KEY, /* Nested OVS_KEY_ATTR_* attributes. */
188 OVS_PACKET_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */
189 OVS_PACKET_ATTR_USERDATA, /* OVS_ACTION_ATTR_USERSPACE arg. */
190 __OVS_PACKET_ATTR_MAX
193 #define OVS_PACKET_ATTR_MAX (__OVS_PACKET_ATTR_MAX - 1)
197 #define OVS_VPORT_FAMILY "ovs_vport"
198 #define OVS_VPORT_MCGROUP "ovs_vport"
199 #define OVS_VPORT_VERSION 0x1
202 OVS_VPORT_CMD_UNSPEC,
209 enum ovs_vport_type {
210 OVS_VPORT_TYPE_UNSPEC,
211 OVS_VPORT_TYPE_NETDEV, /* network device */
212 OVS_VPORT_TYPE_INTERNAL, /* network device implemented by datapath */
213 OVS_VPORT_TYPE_GRE, /* GRE tunnel. */
214 OVS_VPORT_TYPE_VXLAN, /* VXLAN tunnel */
215 OVS_VPORT_TYPE_GRE64 = 104, /* GRE tunnel with 64-bit keys */
216 OVS_VPORT_TYPE_LISP = 105, /* LISP tunnel */
220 #define OVS_VPORT_TYPE_MAX (__OVS_VPORT_TYPE_MAX - 1)
223 * enum ovs_vport_attr - attributes for %OVS_VPORT_* commands.
224 * @OVS_VPORT_ATTR_PORT_NO: 32-bit port number within datapath.
225 * @OVS_VPORT_ATTR_TYPE: 32-bit %OVS_VPORT_TYPE_* constant describing the type
227 * @OVS_VPORT_ATTR_NAME: Name of vport. For a vport based on a network device
228 * this is the name of the network device. Maximum length %IFNAMSIZ-1 bytes
229 * plus a null terminator.
230 * @OVS_VPORT_ATTR_OPTIONS: Vport-specific configuration information.
231 * @OVS_VPORT_ATTR_UPCALL_PID: The array of Netlink socket pids in userspace
232 * among which OVS_PACKET_CMD_MISS upcalls will be distributed for packets
233 * received on this port. If this is a single-element array of value 0,
234 * upcalls should not be sent.
235 * @OVS_VPORT_ATTR_STATS: A &struct ovs_vport_stats giving statistics for
236 * packets sent or received through the vport.
238 * These attributes follow the &struct ovs_header within the Generic Netlink
239 * payload for %OVS_VPORT_* commands.
241 * For %OVS_VPORT_CMD_NEW requests, the %OVS_VPORT_ATTR_TYPE and
242 * %OVS_VPORT_ATTR_NAME attributes are required. %OVS_VPORT_ATTR_PORT_NO is
243 * optional; if not specified a free port number is automatically selected.
244 * Whether %OVS_VPORT_ATTR_OPTIONS is required or optional depends on the type
245 * of vport. %OVS_VPORT_ATTR_STATS is optional and other attributes are
248 * For other requests, if %OVS_VPORT_ATTR_NAME is specified then it is used to
249 * look up the vport to operate on; otherwise dp_idx from the &struct
250 * ovs_header plus %OVS_VPORT_ATTR_PORT_NO determine the vport.
252 enum ovs_vport_attr {
253 OVS_VPORT_ATTR_UNSPEC,
254 OVS_VPORT_ATTR_PORT_NO, /* u32 port number within datapath */
255 OVS_VPORT_ATTR_TYPE, /* u32 OVS_VPORT_TYPE_* constant. */
256 OVS_VPORT_ATTR_NAME, /* string name, up to IFNAMSIZ bytes long */
257 OVS_VPORT_ATTR_OPTIONS, /* nested attributes, varies by vport type */
258 OVS_VPORT_ATTR_UPCALL_PID, /* array of u32 Netlink socket PIDs for */
259 /* receiving upcalls */
260 OVS_VPORT_ATTR_STATS, /* struct ovs_vport_stats */
264 #define OVS_VPORT_ATTR_MAX (__OVS_VPORT_ATTR_MAX - 1)
266 /* OVS_VPORT_ATTR_OPTIONS attributes for tunnels.
269 OVS_TUNNEL_ATTR_UNSPEC,
270 OVS_TUNNEL_ATTR_DST_PORT, /* 16-bit UDP port, used by L4 tunnels. */
271 __OVS_TUNNEL_ATTR_MAX
274 #define OVS_TUNNEL_ATTR_MAX (__OVS_TUNNEL_ATTR_MAX - 1)
278 #define OVS_FLOW_FAMILY "ovs_flow"
279 #define OVS_FLOW_MCGROUP "ovs_flow"
280 #define OVS_FLOW_VERSION 0x1
290 struct ovs_flow_stats {
291 __u64 n_packets; /* Number of matched packets. */
292 __u64 n_bytes; /* Number of matched bytes. */
297 OVS_KEY_ATTR_ENCAP, /* Nested set of encapsulated attributes. */
298 OVS_KEY_ATTR_PRIORITY, /* u32 skb->priority */
299 OVS_KEY_ATTR_IN_PORT, /* u32 OVS dp port number */
300 OVS_KEY_ATTR_ETHERNET, /* struct ovs_key_ethernet */
301 OVS_KEY_ATTR_VLAN, /* be16 VLAN TCI */
302 OVS_KEY_ATTR_ETHERTYPE, /* be16 Ethernet type */
303 OVS_KEY_ATTR_IPV4, /* struct ovs_key_ipv4 */
304 OVS_KEY_ATTR_IPV6, /* struct ovs_key_ipv6 */
305 OVS_KEY_ATTR_TCP, /* struct ovs_key_tcp */
306 OVS_KEY_ATTR_UDP, /* struct ovs_key_udp */
307 OVS_KEY_ATTR_ICMP, /* struct ovs_key_icmp */
308 OVS_KEY_ATTR_ICMPV6, /* struct ovs_key_icmpv6 */
309 OVS_KEY_ATTR_ARP, /* struct ovs_key_arp */
310 OVS_KEY_ATTR_ND, /* struct ovs_key_nd */
311 OVS_KEY_ATTR_SKB_MARK, /* u32 skb mark */
312 OVS_KEY_ATTR_TUNNEL, /* Nested set of ovs_tunnel attributes */
313 OVS_KEY_ATTR_SCTP, /* struct ovs_key_sctp */
314 OVS_KEY_ATTR_TCP_FLAGS, /* be16 TCP flags. */
315 OVS_KEY_ATTR_DP_HASH, /* u32 hash value. Value 0 indicates the hash
316 is not computed by the datapath. */
317 OVS_KEY_ATTR_RECIRC_ID, /* u32 recirc id */
319 /* Only used within kernel data path. */
320 OVS_KEY_ATTR_IPV4_TUNNEL, /* struct ovs_key_ipv4_tunnel */
324 OVS_KEY_ATTR_MPLS = 62, /* array of struct ovs_key_mpls.
325 * The implementation may restrict
326 * the accepted length of the array. */
330 #define OVS_KEY_ATTR_MAX (__OVS_KEY_ATTR_MAX - 1)
332 enum ovs_tunnel_key_attr {
333 OVS_TUNNEL_KEY_ATTR_ID, /* be64 Tunnel ID */
334 OVS_TUNNEL_KEY_ATTR_IPV4_SRC, /* be32 src IP address. */
335 OVS_TUNNEL_KEY_ATTR_IPV4_DST, /* be32 dst IP address. */
336 OVS_TUNNEL_KEY_ATTR_TOS, /* u8 Tunnel IP ToS. */
337 OVS_TUNNEL_KEY_ATTR_TTL, /* u8 Tunnel IP TTL. */
338 OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT, /* No argument, set DF. */
339 OVS_TUNNEL_KEY_ATTR_CSUM, /* No argument. CSUM packet. */
340 __OVS_TUNNEL_KEY_ATTR_MAX
343 #define OVS_TUNNEL_KEY_ATTR_MAX (__OVS_TUNNEL_KEY_ATTR_MAX - 1)
346 * enum ovs_frag_type - IPv4 and IPv6 fragment type
347 * @OVS_FRAG_TYPE_NONE: Packet is not a fragment.
348 * @OVS_FRAG_TYPE_FIRST: Packet is a fragment with offset 0.
349 * @OVS_FRAG_TYPE_LATER: Packet is a fragment with nonzero offset.
351 * Used as the @ipv4_frag in &struct ovs_key_ipv4 and as @ipv6_frag &struct
361 #define OVS_FRAG_TYPE_MAX (__OVS_FRAG_TYPE_MAX - 1)
363 struct ovs_key_ethernet {
364 __u8 eth_src[ETH_ALEN];
365 __u8 eth_dst[ETH_ALEN];
368 struct ovs_key_mpls {
372 struct ovs_key_ipv4 {
378 __u8 ipv4_frag; /* One of OVS_FRAG_TYPE_*. */
381 struct ovs_key_ipv6 {
384 __be32 ipv6_label; /* 20-bits in least-significant bits. */
388 __u8 ipv6_frag; /* One of OVS_FRAG_TYPE_*. */
401 struct ovs_key_sctp {
406 struct ovs_key_icmp {
411 struct ovs_key_icmpv6 {
420 __u8 arp_sha[ETH_ALEN];
421 __u8 arp_tha[ETH_ALEN];
426 __u8 nd_sll[ETH_ALEN];
427 __u8 nd_tll[ETH_ALEN];
431 * enum ovs_flow_attr - attributes for %OVS_FLOW_* commands.
432 * @OVS_FLOW_ATTR_KEY: Nested %OVS_KEY_ATTR_* attributes specifying the flow
433 * key. Always present in notifications. Required for all requests (except
435 * @OVS_FLOW_ATTR_ACTIONS: Nested %OVS_ACTION_ATTR_* attributes specifying
436 * the actions to take for packets that match the key. Always present in
437 * notifications. Required for %OVS_FLOW_CMD_NEW requests, optional for
438 * %OVS_FLOW_CMD_SET requests. An %OVS_FLOW_CMD_SET without
439 * %OVS_FLOW_ATTR_ACTIONS will not modify the actions. To clear the actions,
440 * an %OVS_FLOW_ATTR_ACTIONS without any nested attributes must be given.
441 * @OVS_FLOW_ATTR_STATS: &struct ovs_flow_stats giving statistics for this
442 * flow. Present in notifications if the stats would be nonzero. Ignored in
444 * @OVS_FLOW_ATTR_TCP_FLAGS: An 8-bit value giving the OR'd value of all of the
445 * TCP flags seen on packets in this flow. Only present in notifications for
446 * TCP flows, and only if it would be nonzero. Ignored in requests.
447 * @OVS_FLOW_ATTR_USED: A 64-bit integer giving the time, in milliseconds on
448 * the system monotonic clock, at which a packet was last processed for this
449 * flow. Only present in notifications if a packet has been processed for this
450 * flow. Ignored in requests.
451 * @OVS_FLOW_ATTR_CLEAR: If present in a %OVS_FLOW_CMD_SET request, clears the
452 * last-used time, accumulated TCP flags, and statistics for this flow.
453 * Otherwise ignored in requests. Never present in notifications.
454 * @OVS_FLOW_ATTR_MASK: Nested %OVS_KEY_ATTR_* attributes specifying the
455 * mask bits for wildcarded flow match. Mask bit value '1' specifies exact
456 * match with corresponding flow key bit, while mask bit value '0' specifies
457 * a wildcarded match. Omitting attribute is treated as wildcarding all
458 * corresponding fields. Optional for all requests. If not present,
459 * all flow key bits are exact match bits.
461 * These attributes follow the &struct ovs_header within the Generic Netlink
462 * payload for %OVS_FLOW_* commands.
465 OVS_FLOW_ATTR_UNSPEC,
466 OVS_FLOW_ATTR_KEY, /* Sequence of OVS_KEY_ATTR_* attributes. */
467 OVS_FLOW_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */
468 OVS_FLOW_ATTR_STATS, /* struct ovs_flow_stats. */
469 OVS_FLOW_ATTR_TCP_FLAGS, /* 8-bit OR'd TCP flags. */
470 OVS_FLOW_ATTR_USED, /* u64 msecs last used in monotonic time. */
471 OVS_FLOW_ATTR_CLEAR, /* Flag to clear stats, tcp_flags, used. */
472 OVS_FLOW_ATTR_MASK, /* Sequence of OVS_KEY_ATTR_* attributes. */
476 #define OVS_FLOW_ATTR_MAX (__OVS_FLOW_ATTR_MAX - 1)
479 * enum ovs_sample_attr - Attributes for %OVS_ACTION_ATTR_SAMPLE action.
480 * @OVS_SAMPLE_ATTR_PROBABILITY: 32-bit fraction of packets to sample with
481 * @OVS_ACTION_ATTR_SAMPLE. A value of 0 samples no packets, a value of
482 * %UINT32_MAX samples all packets and intermediate values sample intermediate
483 * fractions of packets.
484 * @OVS_SAMPLE_ATTR_ACTIONS: Set of actions to execute in sampling event.
485 * Actions are passed as nested attributes.
487 * Executes the specified actions with the given probability on a per-packet
490 enum ovs_sample_attr {
491 OVS_SAMPLE_ATTR_UNSPEC,
492 OVS_SAMPLE_ATTR_PROBABILITY, /* u32 number */
493 OVS_SAMPLE_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */
494 __OVS_SAMPLE_ATTR_MAX,
497 #define OVS_SAMPLE_ATTR_MAX (__OVS_SAMPLE_ATTR_MAX - 1)
500 * enum ovs_userspace_attr - Attributes for %OVS_ACTION_ATTR_USERSPACE action.
501 * @OVS_USERSPACE_ATTR_PID: u32 Netlink PID to which the %OVS_PACKET_CMD_ACTION
502 * message should be sent. Required.
503 * @OVS_USERSPACE_ATTR_USERDATA: If present, its variable-length argument is
504 * copied to the %OVS_PACKET_CMD_ACTION message as %OVS_PACKET_ATTR_USERDATA.
506 enum ovs_userspace_attr {
507 OVS_USERSPACE_ATTR_UNSPEC,
508 OVS_USERSPACE_ATTR_PID, /* u32 Netlink PID to receive upcalls. */
509 OVS_USERSPACE_ATTR_USERDATA, /* Optional user-specified cookie. */
510 __OVS_USERSPACE_ATTR_MAX
513 #define OVS_USERSPACE_ATTR_MAX (__OVS_USERSPACE_ATTR_MAX - 1)
516 * struct ovs_action_push_mpls - %OVS_ACTION_ATTR_PUSH_MPLS action argument.
517 * @mpls_lse: MPLS label stack entry to push.
518 * @mpls_ethertype: Ethertype to set in the encapsulating ethernet frame.
520 * The only values @mpls_ethertype should ever be given are %ETH_P_MPLS_UC and
521 * %ETH_P_MPLS_MC, indicating MPLS unicast or multicast. Other are rejected.
523 struct ovs_action_push_mpls {
525 __be16 mpls_ethertype; /* Either %ETH_P_MPLS_UC or %ETH_P_MPLS_MC */
529 * struct ovs_action_push_vlan - %OVS_ACTION_ATTR_PUSH_VLAN action argument.
530 * @vlan_tpid: Tag protocol identifier (TPID) to push.
531 * @vlan_tci: Tag control identifier (TCI) to push. The CFI bit must be set
532 * (but it will not be set in the 802.1Q header that is pushed).
534 * The @vlan_tpid value is typically %ETH_P_8021Q. The only acceptable TPID
535 * values are those that the kernel module also parses as 802.1Q headers, to
536 * prevent %OVS_ACTION_ATTR_PUSH_VLAN followed by %OVS_ACTION_ATTR_POP_VLAN
537 * from having surprising results.
539 struct ovs_action_push_vlan {
540 __be16 vlan_tpid; /* 802.1Q TPID. */
541 __be16 vlan_tci; /* 802.1Q TCI (VLAN ID and priority). */
544 /* Data path hash algorithm for computing Datapath hash.
546 * The algorithm type only specifies the fields in a flow
547 * will be used as part of the hash. Each datapath is free
548 * to use its own hash algorithm. The hash value will be
549 * opaque to the user space daemon.
555 * struct ovs_action_hash - %OVS_ACTION_ATTR_HASH action argument.
556 * @hash_alg: Algorithm used to compute hash prior to recirculation.
557 * @hash_basis: basis used for computing hash.
559 struct ovs_action_hash {
560 uint32_t hash_alg; /* One of ovs_hash_alg. */
565 * enum ovs_action_attr - Action types.
567 * @OVS_ACTION_ATTR_OUTPUT: Output packet to port.
568 * @OVS_ACTION_ATTR_USERSPACE: Send packet to userspace according to nested
569 * %OVS_USERSPACE_ATTR_* attributes.
570 * @OVS_ACTION_ATTR_PUSH_VLAN: Push a new outermost 802.1Q header onto the
572 * @OVS_ACTION_ATTR_POP_VLAN: Pop the outermost 802.1Q header off the packet.
573 * @OVS_ACTION_ATTR_SAMPLE: Probabilitically executes actions, as specified in
574 * the nested %OVS_SAMPLE_ATTR_* attributes.
575 * @OVS_ACTION_ATTR_SET: Replaces the contents of an existing header. The
576 * single nested %OVS_KEY_ATTR_* attribute specifies a header to modify and its
578 * @OVS_ACTION_ATTR_PUSH_MPLS: Push a new MPLS label stack entry onto the
579 * top of the packets MPLS label stack. Set the ethertype of the
580 * encapsulating frame to either %ETH_P_MPLS_UC or %ETH_P_MPLS_MC to
581 * indicate the new packet contents.
582 * @OVS_ACTION_ATTR_POP_MPLS: Pop an MPLS label stack entry off of the
583 * packet's MPLS label stack. Set the encapsulating frame's ethertype to
584 * indicate the new packet contents. This could potentially still be
585 * %ETH_P_MPLS if the resulting MPLS label stack is not empty. If there
586 * is no MPLS label stack, as determined by ethertype, no action is taken.
587 * @OVS_ACTION_RECIRC: Recirculate within the data path.
589 * Only a single header can be set with a single %OVS_ACTION_ATTR_SET. Not all
590 * fields within a header are modifiable, e.g. the IPv4 protocol and fragment
591 * type may not be changed.
594 enum ovs_action_attr {
595 OVS_ACTION_ATTR_UNSPEC,
596 OVS_ACTION_ATTR_OUTPUT, /* u32 port number. */
597 OVS_ACTION_ATTR_USERSPACE, /* Nested OVS_USERSPACE_ATTR_*. */
598 OVS_ACTION_ATTR_SET, /* One nested OVS_KEY_ATTR_*. */
599 OVS_ACTION_ATTR_PUSH_VLAN, /* struct ovs_action_push_vlan. */
600 OVS_ACTION_ATTR_POP_VLAN, /* No argument. */
601 OVS_ACTION_ATTR_SAMPLE, /* Nested OVS_SAMPLE_ATTR_*. */
602 OVS_ACTION_ATTR_PUSH_MPLS, /* struct ovs_action_push_mpls. */
603 OVS_ACTION_ATTR_POP_MPLS, /* __be16 ethertype. */
604 OVS_ACTION_ATTR_RECIRC, /* u32 recirc_id. */
605 OVS_ACTION_ATTR_HASH, /* struct ovs_action_hash. */
606 __OVS_ACTION_ATTR_MAX
609 #define OVS_ACTION_ATTR_MAX (__OVS_ACTION_ATTR_MAX - 1)
611 #endif /* _LINUX_OPENVSWITCH_H */