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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_* */
111 #define OVS_DP_ATTR_MAX (__OVS_DP_ATTR_MAX - 1)
113 /* All 64-bit integers within Netlink messages are 4-byte aligned only. */
114 struct ovs_dp_stats
{
115 __u64 n_hit
; /* Number of flow table matches. */
116 __u64 n_missed
; /* Number of flow table misses. */
117 __u64 n_lost
; /* Number of misses not sent to userspace. */
118 __u64 n_flows
; /* Number of flows present */
121 struct ovs_dp_megaflow_stats
{
122 __u64 n_mask_hit
; /* Number of masks used for flow lookups. */
123 __u32 n_masks
; /* Number of masks for the datapath. */
124 __u32 pad0
; /* Pad for future expension. */
125 __u64 pad1
; /* Pad for future expension. */
126 __u64 pad2
; /* Pad for future expension. */
129 struct ovs_vport_stats
{
130 __u64 rx_packets
; /* total packets received */
131 __u64 tx_packets
; /* total packets transmitted */
132 __u64 rx_bytes
; /* total bytes received */
133 __u64 tx_bytes
; /* total bytes transmitted */
134 __u64 rx_errors
; /* bad packets received */
135 __u64 tx_errors
; /* packet transmit problems */
136 __u64 rx_dropped
; /* no space in linux buffers */
137 __u64 tx_dropped
; /* no space available in linux */
140 /* Allow last Netlink attribute to be unaligned */
141 #define OVS_DP_F_UNALIGNED (1 << 0)
143 /* Allow datapath to associate multiple Netlink PIDs to each vport */
144 #define OVS_DP_F_VPORT_PIDS (1 << 1)
146 /* Fixed logical ports. */
147 #define OVSP_LOCAL ((__u32)0)
149 /* Packet transfer. */
151 #define OVS_PACKET_FAMILY "ovs_packet"
152 #define OVS_PACKET_VERSION 0x1
154 enum ovs_packet_cmd
{
155 OVS_PACKET_CMD_UNSPEC
,
157 /* Kernel-to-user notifications. */
158 OVS_PACKET_CMD_MISS
, /* Flow table miss. */
159 OVS_PACKET_CMD_ACTION
, /* OVS_ACTION_ATTR_USERSPACE action. */
161 /* Userspace commands. */
162 OVS_PACKET_CMD_EXECUTE
/* Apply actions to a packet. */
166 * enum ovs_packet_attr - attributes for %OVS_PACKET_* commands.
167 * @OVS_PACKET_ATTR_PACKET: Present for all notifications. Contains the entire
168 * packet as received, from the start of the Ethernet header onward. For
169 * %OVS_PACKET_CMD_ACTION, %OVS_PACKET_ATTR_PACKET reflects changes made by
170 * actions preceding %OVS_ACTION_ATTR_USERSPACE, but %OVS_PACKET_ATTR_KEY is
171 * the flow key extracted from the packet as originally received.
172 * @OVS_PACKET_ATTR_KEY: Present for all notifications. Contains the flow key
173 * extracted from the packet as nested %OVS_KEY_ATTR_* attributes. This allows
174 * userspace to adapt its flow setup strategy by comparing its notion of the
175 * flow key against the kernel's. When used with %OVS_PACKET_CMD_EXECUTE, only
176 * metadata key fields (e.g. priority, skb mark) are honored. All the packet
177 * header fields are parsed from the packet instead.
178 * @OVS_PACKET_ATTR_ACTIONS: Contains actions for the packet. Used
179 * for %OVS_PACKET_CMD_EXECUTE. It has nested %OVS_ACTION_ATTR_* attributes.
180 * Also used in upcall when %OVS_ACTION_ATTR_USERSPACE has optional
181 * %OVS_USERSPACE_ATTR_ACTIONS attribute.
182 * @OVS_PACKET_ATTR_USERDATA: Present for an %OVS_PACKET_CMD_ACTION
183 * notification if the %OVS_ACTION_ATTR_USERSPACE action specified an
184 * %OVS_USERSPACE_ATTR_USERDATA attribute, with the same length and content
186 * @OVS_PACKET_ATTR_EGRESS_TUN_KEY: Present for an %OVS_PACKET_CMD_ACTION
187 * notification if the %OVS_ACTION_ATTR_USERSPACE action specified an
188 * %OVS_USERSPACE_ATTR_EGRESS_TUN_PORT attribute, which is sent only if the
189 * output port is actually a tunnel port. Contains the output tunnel key
190 * extracted from the packet as nested %OVS_TUNNEL_KEY_ATTR_* attributes.
191 * @OVS_PACKET_ATTR_MRU: Present for an %OVS_PACKET_CMD_ACTION and
192 * @OVS_PACKET_ATTR_LEN: Packet size before truncation.
193 * %OVS_PACKET_ATTR_USERSPACE action specify the Maximum received fragment
196 * These attributes follow the &struct ovs_header within the Generic Netlink
197 * payload for %OVS_PACKET_* commands.
199 enum ovs_packet_attr
{
200 OVS_PACKET_ATTR_UNSPEC
,
201 OVS_PACKET_ATTR_PACKET
, /* Packet data. */
202 OVS_PACKET_ATTR_KEY
, /* Nested OVS_KEY_ATTR_* attributes. */
203 OVS_PACKET_ATTR_ACTIONS
, /* Nested OVS_ACTION_ATTR_* attributes. */
204 OVS_PACKET_ATTR_USERDATA
, /* OVS_ACTION_ATTR_USERSPACE arg. */
205 OVS_PACKET_ATTR_EGRESS_TUN_KEY
, /* Nested OVS_TUNNEL_KEY_ATTR_*
207 OVS_PACKET_ATTR_UNUSED1
,
208 OVS_PACKET_ATTR_UNUSED2
,
209 OVS_PACKET_ATTR_PROBE
, /* Packet operation is a feature probe,
210 error logging should be suppressed. */
211 OVS_PACKET_ATTR_MRU
, /* Maximum received IP fragment size. */
212 OVS_PACKET_ATTR_LEN
, /* Packet size before truncation. */
213 OVS_PACKET_ATTR_HASH
, /* Packet hash. */
214 __OVS_PACKET_ATTR_MAX
217 #define OVS_PACKET_ATTR_MAX (__OVS_PACKET_ATTR_MAX - 1)
221 #define OVS_VPORT_FAMILY "ovs_vport"
222 #define OVS_VPORT_MCGROUP "ovs_vport"
223 #define OVS_VPORT_VERSION 0x1
226 OVS_VPORT_CMD_UNSPEC
,
233 enum ovs_vport_type
{
234 OVS_VPORT_TYPE_UNSPEC
,
235 OVS_VPORT_TYPE_NETDEV
, /* network device */
236 OVS_VPORT_TYPE_INTERNAL
, /* network device implemented by datapath */
237 OVS_VPORT_TYPE_GRE
, /* GRE tunnel. */
238 OVS_VPORT_TYPE_VXLAN
, /* VXLAN tunnel. */
239 OVS_VPORT_TYPE_GENEVE
, /* Geneve tunnel. */
240 OVS_VPORT_TYPE_LISP
= 105, /* LISP tunnel */
241 OVS_VPORT_TYPE_STT
= 106, /* STT tunnel */
242 OVS_VPORT_TYPE_ERSPAN
= 107, /* ERSPAN tunnel. */
243 OVS_VPORT_TYPE_IP6ERSPAN
= 108, /* ERSPAN tunnel. */
244 OVS_VPORT_TYPE_IP6GRE
= 109,
248 #define OVS_VPORT_TYPE_MAX (__OVS_VPORT_TYPE_MAX - 1)
251 * enum ovs_vport_attr - attributes for %OVS_VPORT_* commands.
252 * @OVS_VPORT_ATTR_PORT_NO: 32-bit port number within datapath.
253 * @OVS_VPORT_ATTR_TYPE: 32-bit %OVS_VPORT_TYPE_* constant describing the type
255 * @OVS_VPORT_ATTR_NAME: Name of vport. For a vport based on a network device
256 * this is the name of the network device. Maximum length %IFNAMSIZ-1 bytes
257 * plus a null terminator.
258 * @OVS_VPORT_ATTR_OPTIONS: Vport-specific configuration information.
259 * @OVS_VPORT_ATTR_UPCALL_PID: The array of Netlink socket pids in userspace
260 * among which OVS_PACKET_CMD_MISS upcalls will be distributed for packets
261 * received on this port. If this is a single-element array of value 0,
262 * upcalls should not be sent.
263 * @OVS_VPORT_ATTR_STATS: A &struct ovs_vport_stats giving statistics for
264 * packets sent or received through the vport.
266 * These attributes follow the &struct ovs_header within the Generic Netlink
267 * payload for %OVS_VPORT_* commands.
269 * For %OVS_VPORT_CMD_NEW requests, the %OVS_VPORT_ATTR_TYPE and
270 * %OVS_VPORT_ATTR_NAME attributes are required. %OVS_VPORT_ATTR_PORT_NO is
271 * optional; if not specified a free port number is automatically selected.
272 * Whether %OVS_VPORT_ATTR_OPTIONS is required or optional depends on the type
273 * of vport. %OVS_VPORT_ATTR_STATS is optional and other attributes are
276 * For other requests, if %OVS_VPORT_ATTR_NAME is specified then it is used to
277 * look up the vport to operate on; otherwise dp_idx from the &struct
278 * ovs_header plus %OVS_VPORT_ATTR_PORT_NO determine the vport.
280 enum ovs_vport_attr
{
281 OVS_VPORT_ATTR_UNSPEC
,
282 OVS_VPORT_ATTR_PORT_NO
, /* u32 port number within datapath */
283 OVS_VPORT_ATTR_TYPE
, /* u32 OVS_VPORT_TYPE_* constant. */
284 OVS_VPORT_ATTR_NAME
, /* string name, up to IFNAMSIZ bytes long */
285 OVS_VPORT_ATTR_OPTIONS
, /* nested attributes, varies by vport type */
286 OVS_VPORT_ATTR_UPCALL_PID
, /* array of u32 Netlink socket PIDs for */
287 /* receiving upcalls */
288 OVS_VPORT_ATTR_STATS
, /* struct ovs_vport_stats */
290 OVS_VPORT_ATTR_IFINDEX
,
291 OVS_VPORT_ATTR_NETNSID
,
295 #define OVS_VPORT_ATTR_MAX (__OVS_VPORT_ATTR_MAX - 1)
298 OVS_VXLAN_EXT_UNSPEC
,
300 /* place new values here to fill gap. */
301 OVS_VXLAN_EXT_GPE
= 8,
305 #define OVS_VXLAN_EXT_MAX (__OVS_VXLAN_EXT_MAX - 1)
307 /* OVS_VPORT_ATTR_OPTIONS attributes for tunnels.
310 OVS_TUNNEL_ATTR_UNSPEC
,
311 OVS_TUNNEL_ATTR_DST_PORT
, /* 16-bit UDP port, used by L4 tunnels. */
312 OVS_TUNNEL_ATTR_EXTENSION
,
313 __OVS_TUNNEL_ATTR_MAX
316 #define OVS_TUNNEL_ATTR_MAX (__OVS_TUNNEL_ATTR_MAX - 1)
320 #define OVS_FLOW_FAMILY "ovs_flow"
321 #define OVS_FLOW_MCGROUP "ovs_flow"
322 #define OVS_FLOW_VERSION 0x1
332 struct ovs_flow_stats
{
333 __u64 n_packets
; /* Number of matched packets. */
334 __u64 n_bytes
; /* Number of matched bytes. */
339 OVS_KEY_ATTR_ENCAP
, /* Nested set of encapsulated attributes. */
340 OVS_KEY_ATTR_PRIORITY
, /* u32 skb->priority */
341 OVS_KEY_ATTR_IN_PORT
, /* u32 OVS dp port number */
342 OVS_KEY_ATTR_ETHERNET
, /* struct ovs_key_ethernet */
343 OVS_KEY_ATTR_VLAN
, /* be16 VLAN TCI */
344 OVS_KEY_ATTR_ETHERTYPE
, /* be16 Ethernet type */
345 OVS_KEY_ATTR_IPV4
, /* struct ovs_key_ipv4 */
346 OVS_KEY_ATTR_IPV6
, /* struct ovs_key_ipv6 */
347 OVS_KEY_ATTR_TCP
, /* struct ovs_key_tcp */
348 OVS_KEY_ATTR_UDP
, /* struct ovs_key_udp */
349 OVS_KEY_ATTR_ICMP
, /* struct ovs_key_icmp */
350 OVS_KEY_ATTR_ICMPV6
, /* struct ovs_key_icmpv6 */
351 OVS_KEY_ATTR_ARP
, /* struct ovs_key_arp */
352 OVS_KEY_ATTR_ND
, /* struct ovs_key_nd */
353 OVS_KEY_ATTR_SKB_MARK
, /* u32 skb mark */
354 OVS_KEY_ATTR_TUNNEL
, /* Nested set of ovs_tunnel attributes */
355 OVS_KEY_ATTR_SCTP
, /* struct ovs_key_sctp */
356 OVS_KEY_ATTR_TCP_FLAGS
, /* be16 TCP flags. */
357 OVS_KEY_ATTR_DP_HASH
, /* u32 hash value. Value 0 indicates the hash
358 is not computed by the datapath. */
359 OVS_KEY_ATTR_RECIRC_ID
, /* u32 recirc id */
360 OVS_KEY_ATTR_MPLS
, /* array of struct ovs_key_mpls.
361 * The implementation may restrict
362 * the accepted length of the array. */
363 OVS_KEY_ATTR_CT_STATE
, /* u32 bitmask of OVS_CS_F_* */
364 OVS_KEY_ATTR_CT_ZONE
, /* u16 connection tracking zone. */
365 OVS_KEY_ATTR_CT_MARK
, /* u32 connection tracking mark */
366 OVS_KEY_ATTR_CT_LABELS
, /* 16-octet connection tracking labels */
367 OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4
, /* struct ovs_key_ct_tuple_ipv4 */
368 OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6
, /* struct ovs_key_ct_tuple_ipv6 */
369 OVS_KEY_ATTR_NSH
, /* Nested set of ovs_nsh_key_* */
372 /* Only used within kernel data path. */
373 OVS_KEY_ATTR_TUNNEL_INFO
, /* struct ovs_tunnel_info */
377 /* Only used within userspace data path. */
378 OVS_KEY_ATTR_PACKET_TYPE
, /* be32 packet type */
379 OVS_KEY_ATTR_ND_EXTENSIONS
, /* struct ovs_key_nd_extensions */
385 #define OVS_KEY_ATTR_MAX (__OVS_KEY_ATTR_MAX - 1)
387 enum ovs_tunnel_key_attr
{
388 OVS_TUNNEL_KEY_ATTR_ID
, /* be64 Tunnel ID */
389 OVS_TUNNEL_KEY_ATTR_IPV4_SRC
, /* be32 src IP address. */
390 OVS_TUNNEL_KEY_ATTR_IPV4_DST
, /* be32 dst IP address. */
391 OVS_TUNNEL_KEY_ATTR_TOS
, /* u8 Tunnel IP ToS. */
392 OVS_TUNNEL_KEY_ATTR_TTL
, /* u8 Tunnel IP TTL. */
393 OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT
, /* No argument, set DF. */
394 OVS_TUNNEL_KEY_ATTR_CSUM
, /* No argument. CSUM packet. */
395 OVS_TUNNEL_KEY_ATTR_OAM
, /* No argument. OAM frame. */
396 OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS
, /* Array of Geneve options. */
397 OVS_TUNNEL_KEY_ATTR_TP_SRC
, /* be16 src Transport Port. */
398 OVS_TUNNEL_KEY_ATTR_TP_DST
, /* be16 dst Transport Port. */
399 OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS
, /* Nested OVS_VXLAN_EXT_* */
400 OVS_TUNNEL_KEY_ATTR_IPV6_SRC
, /* struct in6_addr src IPv6 address. */
401 OVS_TUNNEL_KEY_ATTR_IPV6_DST
, /* struct in6_addr dst IPv6 address. */
402 OVS_TUNNEL_KEY_ATTR_PAD
,
403 OVS_TUNNEL_KEY_ATTR_ERSPAN_OPTS
, /* struct erspan_metadata */
404 __OVS_TUNNEL_KEY_ATTR_MAX
407 #define OVS_TUNNEL_KEY_ATTR_MAX (__OVS_TUNNEL_KEY_ATTR_MAX - 1)
410 * enum ovs_frag_type - IPv4 and IPv6 fragment type
411 * @OVS_FRAG_TYPE_NONE: Packet is not a fragment.
412 * @OVS_FRAG_TYPE_FIRST: Packet is a fragment with offset 0.
413 * @OVS_FRAG_TYPE_LATER: Packet is a fragment with nonzero offset.
415 * Used as the @ipv4_frag in &struct ovs_key_ipv4 and as @ipv6_frag &struct
425 #define OVS_FRAG_TYPE_MAX (__OVS_FRAG_TYPE_MAX - 1)
427 struct ovs_key_ethernet
{
428 __u8 eth_src
[ETH_ALEN
];
429 __u8 eth_dst
[ETH_ALEN
];
432 struct ovs_key_mpls
{
436 struct ovs_key_ipv4
{
442 __u8 ipv4_frag
; /* One of OVS_FRAG_TYPE_*. */
445 struct ovs_key_ipv6
{
448 __be32 ipv6_label
; /* 20-bits in least-significant bits. */
452 __u8 ipv6_frag
; /* One of OVS_FRAG_TYPE_*. */
465 struct ovs_key_sctp
{
470 struct ovs_key_icmp
{
475 struct ovs_key_icmpv6
{
484 __u8 arp_sha
[ETH_ALEN
];
485 __u8 arp_tha
[ETH_ALEN
];
490 __u8 nd_sll
[ETH_ALEN
];
491 __u8 nd_tll
[ETH_ALEN
];
495 struct ovs_key_nd_extensions
{
497 __u8 nd_options_type
;
501 #define OVS_CT_LABELS_LEN_32 4
502 #define OVS_CT_LABELS_LEN (OVS_CT_LABELS_LEN_32 * sizeof(__u32))
503 struct ovs_key_ct_labels
{
505 __u8 ct_labels
[OVS_CT_LABELS_LEN
];
506 __u32 ct_labels_32
[OVS_CT_LABELS_LEN_32
];
510 enum ovs_nsh_key_attr
{
511 OVS_NSH_KEY_ATTR_UNSPEC
,
512 OVS_NSH_KEY_ATTR_BASE
, /* struct ovs_nsh_key_base. */
513 OVS_NSH_KEY_ATTR_MD1
, /* struct ovs_nsh_key_md1. */
514 OVS_NSH_KEY_ATTR_MD2
, /* variable-length octets. */
515 __OVS_NSH_KEY_ATTR_MAX
518 #define OVS_NSH_KEY_ATTR_MAX (__OVS_NSH_KEY_ATTR_MAX - 1)
520 struct ovs_nsh_key_base
{
528 #define NSH_MD1_CONTEXT_SIZE 4
530 struct ovs_nsh_key_md1
{
531 __be32 context
[NSH_MD1_CONTEXT_SIZE
];
534 /* OVS_KEY_ATTR_CT_STATE flags */
535 #define OVS_CS_F_NEW 0x01 /* Beginning of a new connection. */
536 #define OVS_CS_F_ESTABLISHED 0x02 /* Part of an existing connection. */
537 #define OVS_CS_F_RELATED 0x04 /* Related to an established
539 #define OVS_CS_F_REPLY_DIR 0x08 /* Flow is in the reply direction. */
540 #define OVS_CS_F_INVALID 0x10 /* Could not track connection. */
541 #define OVS_CS_F_TRACKED 0x20 /* Conntrack has occurred. */
542 #define OVS_CS_F_SRC_NAT 0x40 /* Packet's source address/port was
544 #define OVS_CS_F_DST_NAT 0x80 /* Packet's destination address/port
545 was mangled by NAT. */
547 #define OVS_CS_F_NAT_MASK (OVS_CS_F_SRC_NAT | OVS_CS_F_DST_NAT)
549 struct ovs_key_ct_tuple_ipv4
{
557 struct ovs_key_ct_tuple_ipv6
{
566 * enum ovs_flow_attr - attributes for %OVS_FLOW_* commands.
567 * @OVS_FLOW_ATTR_KEY: Nested %OVS_KEY_ATTR_* attributes specifying the flow
568 * key. Always present in notifications. Required for all requests (except
570 * @OVS_FLOW_ATTR_ACTIONS: Nested %OVS_ACTION_ATTR_* attributes specifying
571 * the actions to take for packets that match the key. Always present in
572 * notifications. Required for %OVS_FLOW_CMD_NEW requests, optional for
573 * %OVS_FLOW_CMD_SET requests. An %OVS_FLOW_CMD_SET without
574 * %OVS_FLOW_ATTR_ACTIONS will not modify the actions. To clear the actions,
575 * an %OVS_FLOW_ATTR_ACTIONS without any nested attributes must be given.
576 * @OVS_FLOW_ATTR_STATS: &struct ovs_flow_stats giving statistics for this
577 * flow. Present in notifications if the stats would be nonzero. Ignored in
579 * @OVS_FLOW_ATTR_TCP_FLAGS: An 8-bit value giving the OR'd value of all of the
580 * TCP flags seen on packets in this flow. Only present in notifications for
581 * TCP flows, and only if it would be nonzero. Ignored in requests.
582 * @OVS_FLOW_ATTR_USED: A 64-bit integer giving the time, in milliseconds on
583 * the system monotonic clock, at which a packet was last processed for this
584 * flow. Only present in notifications if a packet has been processed for this
585 * flow. Ignored in requests.
586 * @OVS_FLOW_ATTR_CLEAR: If present in a %OVS_FLOW_CMD_SET request, clears the
587 * last-used time, accumulated TCP flags, and statistics for this flow.
588 * Otherwise ignored in requests. Never present in notifications.
589 * @OVS_FLOW_ATTR_MASK: Nested %OVS_KEY_ATTR_* attributes specifying the
590 * mask bits for wildcarded flow match. Mask bit value '1' specifies exact
591 * match with corresponding flow key bit, while mask bit value '0' specifies
592 * a wildcarded match. Omitting attribute is treated as wildcarding all
593 * corresponding fields. Optional for all requests. If not present,
594 * all flow key bits are exact match bits.
595 * @OVS_FLOW_ATTR_UFID: A value between 1-16 octets specifying a unique
596 * identifier for the flow. Causes the flow to be indexed by this value rather
597 * than the value of the %OVS_FLOW_ATTR_KEY attribute. Optional for all
598 * requests. Present in notifications if the flow was created with this
600 * @OVS_FLOW_ATTR_UFID_FLAGS: A 32-bit value of OR'd %OVS_UFID_F_*
601 * flags that provide alternative semantics for flow installation and
602 * retrieval. Optional for all requests.
604 * These attributes follow the &struct ovs_header within the Generic Netlink
605 * payload for %OVS_FLOW_* commands.
608 OVS_FLOW_ATTR_UNSPEC
,
609 OVS_FLOW_ATTR_KEY
, /* Sequence of OVS_KEY_ATTR_* attributes. */
610 OVS_FLOW_ATTR_ACTIONS
, /* Nested OVS_ACTION_ATTR_* attributes. */
611 OVS_FLOW_ATTR_STATS
, /* struct ovs_flow_stats. */
612 OVS_FLOW_ATTR_TCP_FLAGS
, /* 8-bit OR'd TCP flags. */
613 OVS_FLOW_ATTR_USED
, /* u64 msecs last used in monotonic time. */
614 OVS_FLOW_ATTR_CLEAR
, /* Flag to clear stats, tcp_flags, used. */
615 OVS_FLOW_ATTR_MASK
, /* Sequence of OVS_KEY_ATTR_* attributes. */
616 OVS_FLOW_ATTR_PROBE
, /* Flow operation is a feature probe, error
617 * logging should be suppressed. */
618 OVS_FLOW_ATTR_UFID
, /* Variable length unique flow identifier. */
619 OVS_FLOW_ATTR_UFID_FLAGS
,/* u32 of OVS_UFID_F_*. */
624 #define OVS_FLOW_ATTR_MAX (__OVS_FLOW_ATTR_MAX - 1)
627 * Omit attributes for notifications.
629 * If a datapath request contains an OVS_UFID_F_OMIT_* flag, then the datapath
630 * may omit the corresponding 'ovs_flow_attr' from the response.
632 #define OVS_UFID_F_OMIT_KEY (1 << 0)
633 #define OVS_UFID_F_OMIT_MASK (1 << 1)
634 #define OVS_UFID_F_OMIT_ACTIONS (1 << 2)
637 * enum ovs_sample_attr - Attributes for %OVS_ACTION_ATTR_SAMPLE action.
638 * @OVS_SAMPLE_ATTR_PROBABILITY: 32-bit fraction of packets to sample with
639 * @OVS_ACTION_ATTR_SAMPLE. A value of 0 samples no packets, a value of
640 * %UINT32_MAX samples all packets and intermediate values sample intermediate
641 * fractions of packets.
642 * @OVS_SAMPLE_ATTR_ACTIONS: Set of actions to execute in sampling event.
643 * Actions are passed as nested attributes.
645 * Executes the specified actions with the given probability on a per-packet
648 enum ovs_sample_attr
{
649 OVS_SAMPLE_ATTR_UNSPEC
,
650 OVS_SAMPLE_ATTR_PROBABILITY
, /* u32 number */
651 OVS_SAMPLE_ATTR_ACTIONS
, /* Nested OVS_ACTION_ATTR_* attributes. */
652 __OVS_SAMPLE_ATTR_MAX
,
655 OVS_SAMPLE_ATTR_ARG
/* struct sample_arg */
659 #define OVS_SAMPLE_ATTR_MAX (__OVS_SAMPLE_ATTR_MAX - 1)
663 bool exec
; /* When true, actions in sample will not
664 * change flow keys. False otherwise.
666 u32 probability
; /* Same value as
667 * 'OVS_SAMPLE_ATTR_PROBABILITY'.
673 * enum ovs_userspace_attr - Attributes for %OVS_ACTION_ATTR_USERSPACE action.
674 * @OVS_USERSPACE_ATTR_PID: u32 Netlink PID to which the %OVS_PACKET_CMD_ACTION
675 * message should be sent. Required.
676 * @OVS_USERSPACE_ATTR_USERDATA: If present, its variable-length argument is
677 * copied to the %OVS_PACKET_CMD_ACTION message as %OVS_PACKET_ATTR_USERDATA.
678 * @OVS_USERSPACE_ATTR_EGRESS_TUN_PORT: If present, u32 output port to get
680 * @OVS_USERSPACE_ATTR_ACTIONS: If present, send actions with upcall.
682 enum ovs_userspace_attr
{
683 OVS_USERSPACE_ATTR_UNSPEC
,
684 OVS_USERSPACE_ATTR_PID
, /* u32 Netlink PID to receive upcalls. */
685 OVS_USERSPACE_ATTR_USERDATA
, /* Optional user-specified cookie. */
686 OVS_USERSPACE_ATTR_EGRESS_TUN_PORT
, /* Optional, u32 output port
687 * to get tunnel info. */
688 OVS_USERSPACE_ATTR_ACTIONS
, /* Optional flag to get actions. */
689 __OVS_USERSPACE_ATTR_MAX
692 #define OVS_USERSPACE_ATTR_MAX (__OVS_USERSPACE_ATTR_MAX - 1)
694 struct ovs_action_trunc
{
695 uint32_t max_len
; /* Max packet size in bytes. */
699 * struct ovs_action_push_mpls - %OVS_ACTION_ATTR_PUSH_MPLS action argument.
700 * @mpls_lse: MPLS label stack entry to push.
701 * @mpls_ethertype: Ethertype to set in the encapsulating ethernet frame.
703 * The only values @mpls_ethertype should ever be given are %ETH_P_MPLS_UC and
704 * %ETH_P_MPLS_MC, indicating MPLS unicast or multicast. Other are rejected.
706 struct ovs_action_push_mpls
{
708 __be16 mpls_ethertype
; /* Either %ETH_P_MPLS_UC or %ETH_P_MPLS_MC */
712 * struct ovs_action_push_vlan - %OVS_ACTION_ATTR_PUSH_VLAN action argument.
713 * @vlan_tpid: Tag protocol identifier (TPID) to push.
714 * @vlan_tci: Tag control identifier (TCI) to push. The CFI bit must be set
715 * (but it will not be set in the 802.1Q header that is pushed).
717 * The @vlan_tpid value is typically %ETH_P_8021Q or %ETH_P_8021AD.
718 * The only acceptable TPID values are those that the kernel module also parses
719 * as 802.1Q or 802.1AD headers, to prevent %OVS_ACTION_ATTR_PUSH_VLAN followed
720 * by %OVS_ACTION_ATTR_POP_VLAN from having surprising results.
722 struct ovs_action_push_vlan
{
723 __be16 vlan_tpid
; /* 802.1Q or 802.1ad TPID. */
724 __be16 vlan_tci
; /* 802.1Q TCI (VLAN ID and priority). */
727 /* Data path hash algorithm for computing Datapath hash.
729 * The algorithm type only specifies the fields in a flow
730 * will be used as part of the hash. Each datapath is free
731 * to use its own hash algorithm. The hash value will be
732 * opaque to the user space daemon.
743 * struct ovs_action_hash - %OVS_ACTION_ATTR_HASH action argument.
744 * @hash_alg: Algorithm used to compute hash prior to recirculation.
745 * @hash_basis: basis used for computing hash.
747 struct ovs_action_hash
{
748 uint32_t hash_alg
; /* One of ovs_hash_alg. */
753 #define TNL_PUSH_HEADER_SIZE 512
756 * struct ovs_action_push_tnl - %OVS_ACTION_ATTR_TUNNEL_PUSH
757 * @tnl_port: To identify tunnel port to pass header info.
758 * @out_port: Physical port to send encapsulated packet.
759 * @header_len: Length of the header to be pushed.
760 * @tnl_type: This is only required to format this header. Otherwise
761 * ODP layer can not parse %header.
762 * @header: Partial header for the tunnel. Tunnel push action can use
763 * this header to build final header according to actual packet parameters.
765 struct ovs_action_push_tnl
{
769 uint32_t tnl_type
; /* For logging. */
770 uint32_t header
[TNL_PUSH_HEADER_SIZE
/ 4];
775 * enum ovs_ct_attr - Attributes for %OVS_ACTION_ATTR_CT action.
776 * @OVS_CT_ATTR_COMMIT: If present, commits the connection to the conntrack
777 * table. This allows future packets for the same connection to be identified
778 * as 'established' or 'related'. The flow key for the current packet will
779 * retain the pre-commit connection state.
780 * @OVS_CT_ATTR_ZONE: u16 connection tracking zone.
781 * @OVS_CT_ATTR_MARK: u32 value followed by u32 mask. For each bit set in the
782 * mask, the corresponding bit in the value is copied to the connection
783 * tracking mark field in the connection.
784 * @OVS_CT_ATTR_LABELS: %OVS_CT_LABELS_LEN value followed by %OVS_CT_LABELS_LEN
785 * mask. For each bit set in the mask, the corresponding bit in the value is
786 * copied to the connection tracking label field in the connection.
787 * @OVS_CT_ATTR_HELPER: variable length string defining conntrack ALG.
788 * @OVS_CT_ATTR_NAT: Nested OVS_NAT_ATTR_* for performing L3 network address
789 * translation (NAT) on the packet.
790 * @OVS_CT_ATTR_FORCE_COMMIT: Like %OVS_CT_ATTR_COMMIT, but instead of doing
791 * nothing if the connection is already committed will check that the current
792 * packet is in conntrack entry's original direction. If directionality does
793 * not match, will delete the existing conntrack entry and create a new one.
794 * @OVS_CT_ATTR_EVENTMASK: Mask of bits indicating which conntrack event types
795 * (enum ip_conntrack_events IPCT_*) should be reported. For any bit set to
796 * zero, the corresponding event type is not generated. Default behavior
797 * depends on system configuration, but typically all event types are
798 * generated, hence listening on NFNLGRP_CONNTRACK_UPDATE events may get a lot
799 * of events. Explicitly passing this attribute allows limiting the updates
800 * received to the events of interest. The bit 1 << IPCT_NEW, 1 <<
801 * IPCT_RELATED, and 1 << IPCT_DESTROY must be set to ones for those events to
802 * be received on NFNLGRP_CONNTRACK_NEW and NFNLGRP_CONNTRACK_DESTROY groups,
803 * respectively. Remaining bits control the changes for which an event is
804 * delivered on the NFNLGRP_CONNTRACK_UPDATE group.
805 * @OVS_CT_ATTR_TIMEOUT: Variable length string defining conntrack timeout.
809 OVS_CT_ATTR_COMMIT
, /* No argument, commits connection. */
810 OVS_CT_ATTR_ZONE
, /* u16 zone id. */
811 OVS_CT_ATTR_MARK
, /* mark to associate with this connection. */
812 OVS_CT_ATTR_LABELS
, /* label to associate with this connection. */
813 OVS_CT_ATTR_HELPER
, /* netlink helper to assist detection of
814 related connections. */
815 OVS_CT_ATTR_NAT
, /* Nested OVS_NAT_ATTR_* */
816 OVS_CT_ATTR_FORCE_COMMIT
, /* No argument */
817 OVS_CT_ATTR_EVENTMASK
, /* u32 mask of IPCT_* events. */
818 OVS_CT_ATTR_TIMEOUT
, /* Associate timeout with this connection for
819 * fine-grain timeout tuning. */
824 #define OVS_CT_ATTR_MAX (__OVS_CT_ATTR_MAX - 1)
827 * struct ovs_action_push_eth - %OVS_ACTION_ATTR_PUSH_ETH action argument.
828 * @addresses: Source and destination MAC addresses.
830 struct ovs_action_push_eth
{
831 struct ovs_key_ethernet addresses
;
835 * enum ovs_nat_attr - Attributes for %OVS_CT_ATTR_NAT.
837 * @OVS_NAT_ATTR_SRC: Flag for Source NAT (mangle source address/port).
838 * @OVS_NAT_ATTR_DST: Flag for Destination NAT (mangle destination
839 * address/port). Only one of (@OVS_NAT_ATTR_SRC, @OVS_NAT_ATTR_DST) may be
840 * specified. Effective only for packets for ct_state NEW connections.
841 * Committed connections are mangled by the NAT action according to the
842 * committed NAT type regardless of the flags specified. As a corollary, a NAT
843 * action without a NAT type flag will only mangle packets of committed
844 * connections. The following NAT attributes only apply for NEW connections,
845 * and they may be included only when the CT action has the @OVS_CT_ATTR_COMMIT
846 * flag and either @OVS_NAT_ATTR_SRC, @OVS_NAT_ATTR_DST is also included.
847 * @OVS_NAT_ATTR_IP_MIN: struct in_addr or struct in6_addr
848 * @OVS_NAT_ATTR_IP_MAX: struct in_addr or struct in6_addr
849 * @OVS_NAT_ATTR_PROTO_MIN: u16 L4 protocol specific lower boundary (port)
850 * @OVS_NAT_ATTR_PROTO_MAX: u16 L4 protocol specific upper boundary (port)
851 * @OVS_NAT_ATTR_PERSISTENT: Flag for persistent IP mapping across reboots
852 * @OVS_NAT_ATTR_PROTO_HASH: Flag for pseudo random L4 port mapping (MD5)
853 * @OVS_NAT_ATTR_PROTO_RANDOM: Flag for fully randomized L4 port mapping
861 OVS_NAT_ATTR_PROTO_MIN
,
862 OVS_NAT_ATTR_PROTO_MAX
,
863 OVS_NAT_ATTR_PERSISTENT
,
864 OVS_NAT_ATTR_PROTO_HASH
,
865 OVS_NAT_ATTR_PROTO_RANDOM
,
869 #define OVS_NAT_ATTR_MAX (__OVS_NAT_ATTR_MAX - 1)
872 * enum ovs_check_pkt_len_attr - Attributes for %OVS_ACTION_ATTR_CHECK_PKT_LEN.
874 * @OVS_CHECK_PKT_LEN_ATTR_PKT_LEN: u16 Packet length to check for.
875 * @OVS_CHECK_PKT_LEN_ATTR_USERSPACE_COND: u8 comparison condition to send
876 * the packet to userspace. One of OVS_CHECK_PKT_LEN_COND_*.
877 * @OVS_CHECK_PKT_LEN_ATTR_USERPACE - Nested OVS_USERSPACE_ATTR_* actions.
879 enum ovs_check_pkt_len_attr
{
880 OVS_CHECK_PKT_LEN_ATTR_UNSPEC
,
881 OVS_CHECK_PKT_LEN_ATTR_PKT_LEN
,
882 OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_GREATER
,
883 OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_LESS_EQUAL
,
884 __OVS_CHECK_PKT_LEN_ATTR_MAX
,
887 OVS_CHECK_PKT_LEN_ATTR_ARG
/* struct check_pkt_len_arg */
891 #define OVS_CHECK_PKT_LEN_ATTR_MAX (__OVS_CHECK_PKT_LEN_ATTR_MAX - 1)
894 struct check_pkt_len_arg
{
895 u16 pkt_len
; /* Same value as OVS_CHECK_PKT_LEN_ATTR_PKT_LEN'. */
896 bool exec_for_greater
; /* When true, actions in IF_GREATE will
897 * not change flow keys. False otherwise.
899 bool exec_for_lesser_equal
; /* When true, actions in IF_LESS_EQUAL
900 * will not change flow keys. False
907 * enum ovs_action_attr - Action types.
909 * @OVS_ACTION_ATTR_OUTPUT: Output packet to port.
910 * @OVS_ACTION_ATTR_TRUNC: Output packet to port with truncated packet size.
911 * @OVS_ACTION_ATTR_USERSPACE: Send packet to userspace according to nested
912 * %OVS_USERSPACE_ATTR_* attributes.
913 * @OVS_ACTION_ATTR_PUSH_VLAN: Push a new outermost 802.1Q or 802.1ad header
915 * @OVS_ACTION_ATTR_POP_VLAN: Pop the outermost 802.1Q or 802.1ad header
917 * @OVS_ACTION_ATTR_SAMPLE: Probabilitically executes actions, as specified in
918 * the nested %OVS_SAMPLE_ATTR_* attributes.
919 * @OVS_ACTION_ATTR_SET: Replaces the contents of an existing header. The
920 * single nested %OVS_KEY_ATTR_* attribute specifies a header to modify and its
922 * @OVS_ACTION_ATTR_SET_MASKED: Replaces the contents of an existing header. A
923 * nested %OVS_KEY_ATTR_* attribute specifies a header to modify, its value,
924 * and a mask. For every bit set in the mask, the corresponding bit value
925 * is copied from the value to the packet header field, rest of the bits are
926 * left unchanged. The non-masked value bits must be passed in as zeroes.
927 * Masking is not supported for the %OVS_KEY_ATTR_TUNNEL attribute.
928 * @OVS_ACTION_ATTR_RECIRC: Recirculate within the data path.
929 * @OVS_ACTION_ATTR_HASH: Compute and set flow hash value.
930 * @OVS_ACTION_ATTR_PUSH_MPLS: Push a new MPLS label stack entry onto the
931 * top of the packets MPLS label stack. Set the ethertype of the
932 * encapsulating frame to either %ETH_P_MPLS_UC or %ETH_P_MPLS_MC to
933 * indicate the new packet contents.
934 * @OVS_ACTION_ATTR_POP_MPLS: Pop an MPLS label stack entry off of the
935 * packet's MPLS label stack. Set the encapsulating frame's ethertype to
936 * indicate the new packet contents. This could potentially still be
937 * %ETH_P_MPLS if the resulting MPLS label stack is not empty. If there
938 * is no MPLS label stack, as determined by ethertype, no action is taken.
939 * @OVS_ACTION_ATTR_CT: Track the connection. Populate the conntrack-related
940 * entries in the flow key.
941 * @OVS_ACTION_ATTR_PUSH_ETH: Push a new outermost Ethernet header onto the
943 * @OVS_ACTION_ATTR_POP_ETH: Pop the outermost Ethernet header off the packet.
944 * @OVS_ACTION_ATTR_CT_CLEAR: Clear conntrack state from the packet.
945 * @OVS_ACTION_ATTR_PUSH_NSH: push NSH header to the packet.
946 * @OVS_ACTION_ATTR_POP_NSH: pop the outermost NSH header off the packet.
948 * Only a single header can be set with a single %OVS_ACTION_ATTR_SET. Not all
949 * fields within a header are modifiable, e.g. the IPv4 protocol and fragment
950 * type may not be changed.
952 * @OVS_ACTION_ATTR_SET_TO_MASKED: Kernel internal masked set action translated
953 * from the @OVS_ACTION_ATTR_SET.
954 * @OVS_ACTION_ATTR_TUNNEL_PUSH: Push tunnel header described by struct
955 * ovs_action_push_tnl.
956 * @OVS_ACTION_ATTR_TUNNEL_POP: Lookup tunnel port by port-no passed and pop
958 * @OVS_ACTION_ATTR_METER: Run packet through a meter, which may drop the
959 * packet, or modify the packet (e.g., change the DSCP field).
960 * @OVS_ACTION_ATTR_CLONE: make a copy of the packet and execute a list of
961 * actions without affecting the original packet and key.
962 * @OVS_ACTION_ATTR_CHECK_PKT_LEN: Check the packet length and execute a set
963 * of actions if greater than the specified packet length, else execute
964 * another set of actions.
967 enum ovs_action_attr
{
968 OVS_ACTION_ATTR_UNSPEC
,
969 OVS_ACTION_ATTR_OUTPUT
, /* u32 port number. */
970 OVS_ACTION_ATTR_USERSPACE
, /* Nested OVS_USERSPACE_ATTR_*. */
971 OVS_ACTION_ATTR_SET
, /* One nested OVS_KEY_ATTR_*. */
972 OVS_ACTION_ATTR_PUSH_VLAN
, /* struct ovs_action_push_vlan. */
973 OVS_ACTION_ATTR_POP_VLAN
, /* No argument. */
974 OVS_ACTION_ATTR_SAMPLE
, /* Nested OVS_SAMPLE_ATTR_*. */
975 OVS_ACTION_ATTR_RECIRC
, /* u32 recirc_id. */
976 OVS_ACTION_ATTR_HASH
, /* struct ovs_action_hash. */
977 OVS_ACTION_ATTR_PUSH_MPLS
, /* struct ovs_action_push_mpls. */
978 OVS_ACTION_ATTR_POP_MPLS
, /* __be16 ethertype. */
979 OVS_ACTION_ATTR_SET_MASKED
, /* One nested OVS_KEY_ATTR_* including
980 * data immediately followed by a mask.
981 * The data must be zero for the unmasked
983 OVS_ACTION_ATTR_CT
, /* Nested OVS_CT_ATTR_* . */
984 OVS_ACTION_ATTR_TRUNC
, /* u32 struct ovs_action_trunc. */
985 OVS_ACTION_ATTR_PUSH_ETH
, /* struct ovs_action_push_eth. */
986 OVS_ACTION_ATTR_POP_ETH
, /* No argument. */
987 OVS_ACTION_ATTR_CT_CLEAR
, /* No argument. */
988 OVS_ACTION_ATTR_PUSH_NSH
, /* Nested OVS_NSH_KEY_ATTR_*. */
989 OVS_ACTION_ATTR_POP_NSH
, /* No argument. */
990 OVS_ACTION_ATTR_METER
, /* u32 meter number. */
991 OVS_ACTION_ATTR_CLONE
, /* Nested OVS_CLONE_ATTR_*. */
992 OVS_ACTION_ATTR_CHECK_PKT_LEN
, /* Nested OVS_CHECK_PKT_LEN_ATTR_*. */
995 OVS_ACTION_ATTR_TUNNEL_PUSH
, /* struct ovs_action_push_tnl*/
996 OVS_ACTION_ATTR_TUNNEL_POP
, /* u32 port number. */
998 __OVS_ACTION_ATTR_MAX
, /* Nothing past this will be accepted
1002 OVS_ACTION_ATTR_SET_TO_MASKED
, /* Kernel module internal masked
1003 * set action converted from
1004 * OVS_ACTION_ATTR_SET. */
1008 #define OVS_ACTION_ATTR_MAX (__OVS_ACTION_ATTR_MAX - 1)
1011 #define OVS_METER_FAMILY "ovs_meter"
1012 #define OVS_METER_MCGROUP "ovs_meter"
1013 #define OVS_METER_VERSION 0x1
1015 enum ovs_meter_cmd
{
1016 OVS_METER_CMD_UNSPEC
,
1017 OVS_METER_CMD_FEATURES
, /* Get features supported by the datapath. */
1018 OVS_METER_CMD_SET
, /* Add or modify a meter. */
1019 OVS_METER_CMD_DEL
, /* Delete a meter. */
1020 OVS_METER_CMD_GET
/* Get meter stats. */
1023 enum ovs_meter_attr
{
1024 OVS_METER_ATTR_UNSPEC
,
1025 OVS_METER_ATTR_ID
, /* u32 meter ID within datapath. */
1026 OVS_METER_ATTR_KBPS
, /* No argument. If set, units in kilobits
1027 * per second. Otherwise, units in
1028 * packets per second.
1030 OVS_METER_ATTR_STATS
, /* struct ovs_flow_stats for the meter. */
1031 OVS_METER_ATTR_BANDS
, /* Nested attributes for meter bands. */
1032 OVS_METER_ATTR_USED
, /* u64 msecs last used in monotonic time. */
1033 OVS_METER_ATTR_CLEAR
, /* Flag to clear stats, used. */
1034 OVS_METER_ATTR_MAX_METERS
, /* u32 number of meters supported. */
1035 OVS_METER_ATTR_MAX_BANDS
, /* u32 max number of bands per meter. */
1037 __OVS_METER_ATTR_MAX
1040 #define OVS_METER_ATTR_MAX (__OVS_METER_ATTR_MAX - 1)
1042 enum ovs_band_attr
{
1043 OVS_BAND_ATTR_UNSPEC
,
1044 OVS_BAND_ATTR_TYPE
, /* u32 OVS_METER_BAND_TYPE_* constant. */
1045 OVS_BAND_ATTR_RATE
, /* u32 band rate in meter units (see above). */
1046 OVS_BAND_ATTR_BURST
, /* u32 burst size in meter units. */
1047 OVS_BAND_ATTR_STATS
, /* struct ovs_flow_stats for the band. */
1051 #define OVS_BAND_ATTR_MAX (__OVS_BAND_ATTR_MAX - 1)
1053 enum ovs_meter_band_type
{
1054 OVS_METER_BAND_TYPE_UNSPEC
,
1055 OVS_METER_BAND_TYPE_DROP
, /* Drop exceeding packets. */
1056 __OVS_METER_BAND_TYPE_MAX
1059 #define OVS_METER_BAND_TYPE_MAX (__OVS_METER_BAND_TYPE_MAX - 1)
1061 /* Conntrack limit */
1062 #define OVS_CT_LIMIT_FAMILY "ovs_ct_limit"
1063 #define OVS_CT_LIMIT_MCGROUP "ovs_ct_limit"
1064 #define OVS_CT_LIMIT_VERSION 0x1
1066 enum ovs_ct_limit_cmd
{
1067 OVS_CT_LIMIT_CMD_UNSPEC
,
1068 OVS_CT_LIMIT_CMD_SET
, /* Add or modify ct limit. */
1069 OVS_CT_LIMIT_CMD_DEL
, /* Delete ct limit. */
1070 OVS_CT_LIMIT_CMD_GET
/* Get ct limit. */
1073 enum ovs_ct_limit_attr
{
1074 OVS_CT_LIMIT_ATTR_UNSPEC
,
1075 OVS_CT_LIMIT_ATTR_ZONE_LIMIT
, /* Nested struct ovs_zone_limit. */
1076 __OVS_CT_LIMIT_ATTR_MAX
1079 #define OVS_CT_LIMIT_ATTR_MAX (__OVS_CT_LIMIT_ATTR_MAX - 1)
1081 #define OVS_ZONE_LIMIT_DEFAULT_ZONE -1
1083 struct ovs_zone_limit
{
1089 #define OVS_CLONE_ATTR_EXEC 0 /* Specify an u32 value. When nonzero,
1090 * actions in clone will not change flow
1091 * keys. False otherwise.
1094 #endif /* _LINUX_OPENVSWITCH_H */