openvswitch: Expose <linux/openvswitch.h> to userspace

It contains the public netlink interface bits required by userspace to make use of the interface.

Thomas Graf committed 13 years ago

Commit 22e38801 parent 14b57a13 files · +458 −432Browse files

Unified · Split

3 files

include/linux/openvswitch.h +1 −432
include/uapi/linux/Kbuild +1 −0
include/uapi/linux/openvswitch.h +456 −0

@@ -19,437 +19,6 @@ · 18 unmodified lines
19	19	#ifndef _LINUX_OPENVSWITCH_H
20	20	#define _LINUX_OPENVSWITCH_H 1
21	21
22		−#include <linux/types.h>
23		−#include <linux/if_ether.h>
24		−
25		−/**
26		− * struct ovs_header - header for OVS Generic Netlink messages.
27		− * @dp_ifindex: ifindex of local port for datapath (0 to make a request not
28		− * specific to a datapath).
29		− *
30		− * Attributes following the header are specific to a particular OVS Generic
31		− * Netlink family, but all of the OVS families use this header.
32		− */
33		−
34		−struct ovs_header {
35		− int dp_ifindex;
36		−};
37		−
38		−/* Datapaths. */
39		−
40		−#define OVS_DATAPATH_FAMILY "ovs_datapath"
41		−#define OVS_DATAPATH_MCGROUP "ovs_datapath"
42		−#define OVS_DATAPATH_VERSION 0x1
43		−
44		−enum ovs_datapath_cmd {
45		− OVS_DP_CMD_UNSPEC,
46		− OVS_DP_CMD_NEW,
47		− OVS_DP_CMD_DEL,
48		− OVS_DP_CMD_GET,
49		− OVS_DP_CMD_SET
50		−};
51		−
52		−/**
53		− * enum ovs_datapath_attr - attributes for %OVS_DP_* commands.
54		− * @OVS_DP_ATTR_NAME: Name of the network device that serves as the "local
55		− * port". This is the name of the network device whose dp_ifindex is given in
56		− * the &struct ovs_header. Always present in notifications. Required in
57		− * %OVS_DP_NEW requests. May be used as an alternative to specifying
58		− * dp_ifindex in other requests (with a dp_ifindex of 0).
59		− * @OVS_DP_ATTR_UPCALL_PID: The Netlink socket in userspace that is initially
60		− * set on the datapath port (for OVS_ACTION_ATTR_MISS). Only valid on
61		− * %OVS_DP_CMD_NEW requests. A value of zero indicates that upcalls should
62		− * not be sent.
63		− * @OVS_DP_ATTR_STATS: Statistics about packets that have passed through the
64		− * datapath. Always present in notifications.
65		− *
66		− * These attributes follow the &struct ovs_header within the Generic Netlink
67		− * payload for %OVS_DP_* commands.
68		− */
69		−enum ovs_datapath_attr {
70		− OVS_DP_ATTR_UNSPEC,
71		− OVS_DP_ATTR_NAME, /* name of dp_ifindex netdev */
72		− OVS_DP_ATTR_UPCALL_PID, /* Netlink PID to receive upcalls */
73		− OVS_DP_ATTR_STATS, /* struct ovs_dp_stats */
74		− __OVS_DP_ATTR_MAX
75		−};
76		−
77		−#define OVS_DP_ATTR_MAX (__OVS_DP_ATTR_MAX - 1)
78		−
79		−struct ovs_dp_stats {
80		− __u64 n_hit; /* Number of flow table matches. */
81		− __u64 n_missed; /* Number of flow table misses. */
82		− __u64 n_lost; /* Number of misses not sent to userspace. */
83		− __u64 n_flows; /* Number of flows present */
84		−};
85		−
86		−struct ovs_vport_stats {
87		− __u64 rx_packets; /* total packets received */
88		− __u64 tx_packets; /* total packets transmitted */
89		− __u64 rx_bytes; /* total bytes received */
90		− __u64 tx_bytes; /* total bytes transmitted */
91		− __u64 rx_errors; /* bad packets received */
92		− __u64 tx_errors; /* packet transmit problems */
93		− __u64 rx_dropped; /* no space in linux buffers */
94		− __u64 tx_dropped; /* no space available in linux */
95		−};
96		−
97		−/* Fixed logical ports. */
98		−#define OVSP_LOCAL ((__u32)0)
99		−
100		−/* Packet transfer. */
101		−
102		−#define OVS_PACKET_FAMILY "ovs_packet"
103		−#define OVS_PACKET_VERSION 0x1
104		−
105		−enum ovs_packet_cmd {
106		− OVS_PACKET_CMD_UNSPEC,
107		−
108		− /* Kernel-to-user notifications. */
109		− OVS_PACKET_CMD_MISS, /* Flow table miss. */
110		− OVS_PACKET_CMD_ACTION, /* OVS_ACTION_ATTR_USERSPACE action. */
111		−
112		− /* Userspace commands. */
113		− OVS_PACKET_CMD_EXECUTE /* Apply actions to a packet. */
114		−};
115		−
116		−/**
117		− * enum ovs_packet_attr - attributes for %OVS_PACKET_* commands.
118		− * @OVS_PACKET_ATTR_PACKET: Present for all notifications. Contains the entire
119		− * packet as received, from the start of the Ethernet header onward. For
120		− * %OVS_PACKET_CMD_ACTION, %OVS_PACKET_ATTR_PACKET reflects changes made by
121		− * actions preceding %OVS_ACTION_ATTR_USERSPACE, but %OVS_PACKET_ATTR_KEY is
122		− * the flow key extracted from the packet as originally received.
123		− * @OVS_PACKET_ATTR_KEY: Present for all notifications. Contains the flow key
124		− * extracted from the packet as nested %OVS_KEY_ATTR_* attributes. This allows
125		− * userspace to adapt its flow setup strategy by comparing its notion of the
126		− * flow key against the kernel's.
127		− * @OVS_PACKET_ATTR_ACTIONS: Contains actions for the packet. Used
128		− * for %OVS_PACKET_CMD_EXECUTE. It has nested %OVS_ACTION_ATTR_* attributes.
129		− * @OVS_PACKET_ATTR_USERDATA: Present for an %OVS_PACKET_CMD_ACTION
130		− * notification if the %OVS_ACTION_ATTR_USERSPACE action specified an
131		− * %OVS_USERSPACE_ATTR_USERDATA attribute, with the same length and content
132		− * specified there.
133		− *
134		− * These attributes follow the &struct ovs_header within the Generic Netlink
135		− * payload for %OVS_PACKET_* commands.
136		− */
137		−enum ovs_packet_attr {
138		− OVS_PACKET_ATTR_UNSPEC,
139		− OVS_PACKET_ATTR_PACKET, /* Packet data. */
140		− OVS_PACKET_ATTR_KEY, /* Nested OVS_KEY_ATTR_* attributes. */
141		− OVS_PACKET_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */
142		− OVS_PACKET_ATTR_USERDATA, /* OVS_ACTION_ATTR_USERSPACE arg. */
143		− __OVS_PACKET_ATTR_MAX
144		−};
145		−
146		−#define OVS_PACKET_ATTR_MAX (__OVS_PACKET_ATTR_MAX - 1)
147		−
148		−/* Virtual ports. */
149		−
150		−#define OVS_VPORT_FAMILY "ovs_vport"
151		−#define OVS_VPORT_MCGROUP "ovs_vport"
152		−#define OVS_VPORT_VERSION 0x1
153		−
154		−enum ovs_vport_cmd {
155		− OVS_VPORT_CMD_UNSPEC,
156		− OVS_VPORT_CMD_NEW,
157		− OVS_VPORT_CMD_DEL,
158		− OVS_VPORT_CMD_GET,
159		− OVS_VPORT_CMD_SET
160		−};
161		−
162		−enum ovs_vport_type {
163		− OVS_VPORT_TYPE_UNSPEC,
164		− OVS_VPORT_TYPE_NETDEV, /* network device */
165		− OVS_VPORT_TYPE_INTERNAL, /* network device implemented by datapath */
166		− __OVS_VPORT_TYPE_MAX
167		−};
168		−
169		−#define OVS_VPORT_TYPE_MAX (__OVS_VPORT_TYPE_MAX - 1)
170		−
171		−/**
172		− * enum ovs_vport_attr - attributes for %OVS_VPORT_* commands.
173		− * @OVS_VPORT_ATTR_PORT_NO: 32-bit port number within datapath.
174		− * @OVS_VPORT_ATTR_TYPE: 32-bit %OVS_VPORT_TYPE_* constant describing the type
175		− * of vport.
176		− * @OVS_VPORT_ATTR_NAME: Name of vport. For a vport based on a network device
177		− * this is the name of the network device. Maximum length %IFNAMSIZ-1 bytes
178		− * plus a null terminator.
179		− * @OVS_VPORT_ATTR_OPTIONS: Vport-specific configuration information.
180		− * @OVS_VPORT_ATTR_UPCALL_PID: The Netlink socket in userspace that
181		− * OVS_PACKET_CMD_MISS upcalls will be directed to for packets received on
182		− * this port. A value of zero indicates that upcalls should not be sent.
183		− * @OVS_VPORT_ATTR_STATS: A &struct ovs_vport_stats giving statistics for
184		− * packets sent or received through the vport.
185		− *
186		− * These attributes follow the &struct ovs_header within the Generic Netlink
187		− * payload for %OVS_VPORT_* commands.
188		− *
189		− * For %OVS_VPORT_CMD_NEW requests, the %OVS_VPORT_ATTR_TYPE and
190		− * %OVS_VPORT_ATTR_NAME attributes are required. %OVS_VPORT_ATTR_PORT_NO is
191		− * optional; if not specified a free port number is automatically selected.
192		− * Whether %OVS_VPORT_ATTR_OPTIONS is required or optional depends on the type
193		− * of vport.
194		− * and other attributes are ignored.
195		− *
196		− * For other requests, if %OVS_VPORT_ATTR_NAME is specified then it is used to
197		− * look up the vport to operate on; otherwise dp_idx from the &struct
198		− * ovs_header plus %OVS_VPORT_ATTR_PORT_NO determine the vport.
199		− */
200		−enum ovs_vport_attr {
201		− OVS_VPORT_ATTR_UNSPEC,
202		− OVS_VPORT_ATTR_PORT_NO, /* u32 port number within datapath */
203		− OVS_VPORT_ATTR_TYPE, /* u32 OVS_VPORT_TYPE_* constant. */
204		− OVS_VPORT_ATTR_NAME, /* string name, up to IFNAMSIZ bytes long */
205		− OVS_VPORT_ATTR_OPTIONS, /* nested attributes, varies by vport type */
206		− OVS_VPORT_ATTR_UPCALL_PID, /* u32 Netlink PID to receive upcalls */
207		− OVS_VPORT_ATTR_STATS, /* struct ovs_vport_stats */
208		− __OVS_VPORT_ATTR_MAX
209		−};
210		−
211		−#define OVS_VPORT_ATTR_MAX (__OVS_VPORT_ATTR_MAX - 1)
212		−
213		−/* Flows. */
214		−
215		−#define OVS_FLOW_FAMILY "ovs_flow"
216		−#define OVS_FLOW_MCGROUP "ovs_flow"
217		−#define OVS_FLOW_VERSION 0x1
218		−
219		−enum ovs_flow_cmd {
220		− OVS_FLOW_CMD_UNSPEC,
221		− OVS_FLOW_CMD_NEW,
222		− OVS_FLOW_CMD_DEL,
223		− OVS_FLOW_CMD_GET,
224		− OVS_FLOW_CMD_SET
225		−};
226		−
227		−struct ovs_flow_stats {
228		− __u64 n_packets; /* Number of matched packets. */
229		− __u64 n_bytes; /* Number of matched bytes. */
230		−};
231		−
232		−enum ovs_key_attr {
233		− OVS_KEY_ATTR_UNSPEC,
234		− OVS_KEY_ATTR_ENCAP, /* Nested set of encapsulated attributes. */
235		− OVS_KEY_ATTR_PRIORITY, /* u32 skb->priority */
236		− OVS_KEY_ATTR_IN_PORT, /* u32 OVS dp port number */
237		− OVS_KEY_ATTR_ETHERNET, /* struct ovs_key_ethernet */
238		− OVS_KEY_ATTR_VLAN, /* be16 VLAN TCI */
239		− OVS_KEY_ATTR_ETHERTYPE, /* be16 Ethernet type */
240		− OVS_KEY_ATTR_IPV4, /* struct ovs_key_ipv4 */
241		− OVS_KEY_ATTR_IPV6, /* struct ovs_key_ipv6 */
242		− OVS_KEY_ATTR_TCP, /* struct ovs_key_tcp */
243		− OVS_KEY_ATTR_UDP, /* struct ovs_key_udp */
244		− OVS_KEY_ATTR_ICMP, /* struct ovs_key_icmp */
245		− OVS_KEY_ATTR_ICMPV6, /* struct ovs_key_icmpv6 */
246		− OVS_KEY_ATTR_ARP, /* struct ovs_key_arp */
247		− OVS_KEY_ATTR_ND, /* struct ovs_key_nd */
248		− OVS_KEY_ATTR_SKB_MARK, /* u32 skb mark */
249		− __OVS_KEY_ATTR_MAX
250		−};
251		−
252		−#define OVS_KEY_ATTR_MAX (__OVS_KEY_ATTR_MAX - 1)
253		−
254		−/**
255		− * enum ovs_frag_type - IPv4 and IPv6 fragment type
256		− * @OVS_FRAG_TYPE_NONE: Packet is not a fragment.
257		− * @OVS_FRAG_TYPE_FIRST: Packet is a fragment with offset 0.
258		− * @OVS_FRAG_TYPE_LATER: Packet is a fragment with nonzero offset.
259		− *
260		− * Used as the @ipv4_frag in &struct ovs_key_ipv4 and as @ipv6_frag &struct
261		− * ovs_key_ipv6.
262		− */
263		−enum ovs_frag_type {
264		− OVS_FRAG_TYPE_NONE,
265		− OVS_FRAG_TYPE_FIRST,
266		− OVS_FRAG_TYPE_LATER,
267		− __OVS_FRAG_TYPE_MAX
268		−};
269		−
270		−#define OVS_FRAG_TYPE_MAX (__OVS_FRAG_TYPE_MAX - 1)
271		−
272		−struct ovs_key_ethernet {
273		− __u8 eth_src[ETH_ALEN];
274		− __u8 eth_dst[ETH_ALEN];
275		−};
276		−
277		−struct ovs_key_ipv4 {
278		− __be32 ipv4_src;
279		− __be32 ipv4_dst;
280		− __u8 ipv4_proto;
281		− __u8 ipv4_tos;
282		− __u8 ipv4_ttl;
283		− __u8 ipv4_frag; /* One of OVS_FRAG_TYPE_. /
284		−};
285		−
286		−struct ovs_key_ipv6 {
287		− __be32 ipv6_src[4];
288		− __be32 ipv6_dst[4];
289		− __be32 ipv6_label; /* 20-bits in least-significant bits. */
290		− __u8 ipv6_proto;
291		− __u8 ipv6_tclass;
292		− __u8 ipv6_hlimit;
293		− __u8 ipv6_frag; /* One of OVS_FRAG_TYPE_. /
294		−};
295		−
296		−struct ovs_key_tcp {
297		− __be16 tcp_src;
298		− __be16 tcp_dst;
299		−};
300		−
301		−struct ovs_key_udp {
302		− __be16 udp_src;
303		− __be16 udp_dst;
304		−};
305		−
306		−struct ovs_key_icmp {
307		− __u8 icmp_type;
308		− __u8 icmp_code;
309		−};
310		−
311		−struct ovs_key_icmpv6 {
312		− __u8 icmpv6_type;
313		− __u8 icmpv6_code;
314		−};
315		−
316		−struct ovs_key_arp {
317		− __be32 arp_sip;
318		− __be32 arp_tip;
319		− __be16 arp_op;
320		− __u8 arp_sha[ETH_ALEN];
321		− __u8 arp_tha[ETH_ALEN];
322		−};
323		−
324		−struct ovs_key_nd {
325		− __u32 nd_target[4];
326		− __u8 nd_sll[ETH_ALEN];
327		− __u8 nd_tll[ETH_ALEN];
328		−};
329		−
330		−/**
331		− * enum ovs_flow_attr - attributes for %OVS_FLOW_* commands.
332		− * @OVS_FLOW_ATTR_KEY: Nested %OVS_KEY_ATTR_* attributes specifying the flow
333		− * key. Always present in notifications. Required for all requests (except
334		− * dumps).
335		− * @OVS_FLOW_ATTR_ACTIONS: Nested %OVS_ACTION_ATTR_* attributes specifying
336		− * the actions to take for packets that match the key. Always present in
337		− * notifications. Required for %OVS_FLOW_CMD_NEW requests, optional for
338		− * %OVS_FLOW_CMD_SET requests.
339		− * @OVS_FLOW_ATTR_STATS: &struct ovs_flow_stats giving statistics for this
340		− * flow. Present in notifications if the stats would be nonzero. Ignored in
341		− * requests.
342		− * @OVS_FLOW_ATTR_TCP_FLAGS: An 8-bit value giving the OR'd value of all of the
343		− * TCP flags seen on packets in this flow. Only present in notifications for
344		− * TCP flows, and only if it would be nonzero. Ignored in requests.
345		− * @OVS_FLOW_ATTR_USED: A 64-bit integer giving the time, in milliseconds on
346		− * the system monotonic clock, at which a packet was last processed for this
347		− * flow. Only present in notifications if a packet has been processed for this
348		− * flow. Ignored in requests.
349		− * @OVS_FLOW_ATTR_CLEAR: If present in a %OVS_FLOW_CMD_SET request, clears the
350		− * last-used time, accumulated TCP flags, and statistics for this flow.
351		− * Otherwise ignored in requests. Never present in notifications.
352		− *
353		− * These attributes follow the &struct ovs_header within the Generic Netlink
354		− * payload for %OVS_FLOW_* commands.
355		− */
356		−enum ovs_flow_attr {
357		− OVS_FLOW_ATTR_UNSPEC,
358		− OVS_FLOW_ATTR_KEY, /* Sequence of OVS_KEY_ATTR_* attributes. */
359		− OVS_FLOW_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */
360		− OVS_FLOW_ATTR_STATS, /* struct ovs_flow_stats. */
361		− OVS_FLOW_ATTR_TCP_FLAGS, /* 8-bit OR'd TCP flags. */
362		− OVS_FLOW_ATTR_USED, /* u64 msecs last used in monotonic time. */
363		− OVS_FLOW_ATTR_CLEAR, /* Flag to clear stats, tcp_flags, used. */
364		− __OVS_FLOW_ATTR_MAX
365		−};
366		−
367		−#define OVS_FLOW_ATTR_MAX (__OVS_FLOW_ATTR_MAX - 1)
368		−
369		−/**
370		− * enum ovs_sample_attr - Attributes for %OVS_ACTION_ATTR_SAMPLE action.
371		− * @OVS_SAMPLE_ATTR_PROBABILITY: 32-bit fraction of packets to sample with
372		− * @OVS_ACTION_ATTR_SAMPLE. A value of 0 samples no packets, a value of
373		− * %UINT32_MAX samples all packets and intermediate values sample intermediate
374		− * fractions of packets.
375		− * @OVS_SAMPLE_ATTR_ACTIONS: Set of actions to execute in sampling event.
376		− * Actions are passed as nested attributes.
377		− *
378		− * Executes the specified actions with the given probability on a per-packet
379		− * basis.
380		− */
381		−enum ovs_sample_attr {
382		− OVS_SAMPLE_ATTR_UNSPEC,
383		− OVS_SAMPLE_ATTR_PROBABILITY, /* u32 number */
384		− OVS_SAMPLE_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */
385		− __OVS_SAMPLE_ATTR_MAX,
386		−};
387		−
388		−#define OVS_SAMPLE_ATTR_MAX (__OVS_SAMPLE_ATTR_MAX - 1)
389		−
390		−/**
391		− * enum ovs_userspace_attr - Attributes for %OVS_ACTION_ATTR_USERSPACE action.
392		− * @OVS_USERSPACE_ATTR_PID: u32 Netlink PID to which the %OVS_PACKET_CMD_ACTION
393		− * message should be sent. Required.
394		− * @OVS_USERSPACE_ATTR_USERDATA: If present, its variable-length argument is
395		− * copied to the %OVS_PACKET_CMD_ACTION message as %OVS_PACKET_ATTR_USERDATA.
396		− */
397		−enum ovs_userspace_attr {
398		− OVS_USERSPACE_ATTR_UNSPEC,
399		− OVS_USERSPACE_ATTR_PID, /* u32 Netlink PID to receive upcalls. */
400		− OVS_USERSPACE_ATTR_USERDATA, /* Optional user-specified cookie. */
401		− __OVS_USERSPACE_ATTR_MAX
402		−};
403		−
404		−#define OVS_USERSPACE_ATTR_MAX (__OVS_USERSPACE_ATTR_MAX - 1)
405		−
406		−/**
407		− * struct ovs_action_push_vlan - %OVS_ACTION_ATTR_PUSH_VLAN action argument.
408		− * @vlan_tpid: Tag protocol identifier (TPID) to push.
409		− * @vlan_tci: Tag control identifier (TCI) to push. The CFI bit must be set
410		− * (but it will not be set in the 802.1Q header that is pushed).
411		− *
412		− * The @vlan_tpid value is typically %ETH_P_8021Q. The only acceptable TPID
413		− * values are those that the kernel module also parses as 802.1Q headers, to
414		− * prevent %OVS_ACTION_ATTR_PUSH_VLAN followed by %OVS_ACTION_ATTR_POP_VLAN
415		− * from having surprising results.
416		− */
417		−struct ovs_action_push_vlan {
418		− __be16 vlan_tpid; /* 802.1Q TPID. */
419		− __be16 vlan_tci; /* 802.1Q TCI (VLAN ID and priority). */
420		−};
421		−
422		−/**
423		− * enum ovs_action_attr - Action types.
424		− *
425		− * @OVS_ACTION_ATTR_OUTPUT: Output packet to port.
426		− * @OVS_ACTION_ATTR_USERSPACE: Send packet to userspace according to nested
427		− * %OVS_USERSPACE_ATTR_* attributes.
428		− * @OVS_ACTION_ATTR_SET: Replaces the contents of an existing header. The
429		− * single nested %OVS_KEY_ATTR_* attribute specifies a header to modify and its
430		− * value.
431		− * @OVS_ACTION_ATTR_PUSH_VLAN: Push a new outermost 802.1Q header onto the
432		− * packet.
433		− * @OVS_ACTION_ATTR_POP_VLAN: Pop the outermost 802.1Q header off the packet.
434		− * @OVS_ACTION_ATTR_SAMPLE: Probabilitically executes actions, as specified in
435		− * the nested %OVS_SAMPLE_ATTR_* attributes.
436		− *
437		− * Only a single header can be set with a single %OVS_ACTION_ATTR_SET. Not all
438		− * fields within a header are modifiable, e.g. the IPv4 protocol and fragment
439		− * type may not be changed.
440		− */
441		−
442		−enum ovs_action_attr {
443		− OVS_ACTION_ATTR_UNSPEC,
444		− OVS_ACTION_ATTR_OUTPUT, /* u32 port number. */
445		− OVS_ACTION_ATTR_USERSPACE, /* Nested OVS_USERSPACE_ATTR_. /
446		− OVS_ACTION_ATTR_SET, /* One nested OVS_KEY_ATTR_. /
447		− OVS_ACTION_ATTR_PUSH_VLAN, /* struct ovs_action_push_vlan. */
448		− OVS_ACTION_ATTR_POP_VLAN, /* No argument. */
449		− OVS_ACTION_ATTR_SAMPLE, /* Nested OVS_SAMPLE_ATTR_. /
450		− __OVS_ACTION_ATTR_MAX
451		−};
452		−
453		−#define OVS_ACTION_ATTR_MAX (__OVS_ACTION_ATTR_MAX - 1)
	22	+#include <uapi/linux/openvswitch.h>
454	23
455	24	#endif /* _LINUX_OPENVSWITCH_H */

include/uapi/linux/Kbuild+1−0

@@ -285,6 +285,7 @@ header-y += nvram.h · 284 unmodified lines
285	285	header-y += omap3isp.h
286	286	header-y += omapfb.h
287	287	header-y += oom.h
	288	+header-y += openvswitch.h
288	289	header-y += packet_diag.h
289	290	header-y += param.h
290	291	header-y += parport.h

include/uapi/linux/openvswitch.h+456−0

@@ -0,0 +1,456 @@
	1	+
	2	+/*
	3	+ * Copyright (c) 2007-2011 Nicira Networks.
	4	+ *
	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.
	8	+ *
	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.
	13	+ *
	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
	17	+ * 02110-1301, USA
	18	+ */
	19	+
	20	+#ifndef _UAPI__LINUX_OPENVSWITCH_H
	21	+#define _UAPI__LINUX_OPENVSWITCH_H 1
	22	+
	23	+#include <linux/types.h>
	24	+#include <linux/if_ether.h>
	25	+
	26	+/**
	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).
	30	+ *
	31	+ * Attributes following the header are specific to a particular OVS Generic
	32	+ * Netlink family, but all of the OVS families use this header.
	33	+ */
	34	+
	35	+struct ovs_header {
	36	+ int dp_ifindex;
	37	+};
	38	+
	39	+/* Datapaths. */
	40	+
	41	+#define OVS_DATAPATH_FAMILY "ovs_datapath"
	42	+#define OVS_DATAPATH_MCGROUP "ovs_datapath"
	43	+#define OVS_DATAPATH_VERSION 0x1
	44	+
	45	+enum ovs_datapath_cmd {
	46	+ OVS_DP_CMD_UNSPEC,
	47	+ OVS_DP_CMD_NEW,
	48	+ OVS_DP_CMD_DEL,
	49	+ OVS_DP_CMD_GET,
	50	+ OVS_DP_CMD_SET
	51	+};
	52	+
	53	+/**
	54	+ * enum ovs_datapath_attr - attributes for %OVS_DP_* commands.
	55	+ * @OVS_DP_ATTR_NAME: Name of the network device that serves as the "local
	56	+ * port". This is the name of the network device whose dp_ifindex is given in
	57	+ * the &struct ovs_header. Always present in notifications. Required in
	58	+ * %OVS_DP_NEW requests. May be used as an alternative to specifying
	59	+ * dp_ifindex in other requests (with a dp_ifindex of 0).
	60	+ * @OVS_DP_ATTR_UPCALL_PID: The Netlink socket in userspace that is initially
	61	+ * set on the datapath port (for OVS_ACTION_ATTR_MISS). Only valid on
	62	+ * %OVS_DP_CMD_NEW requests. A value of zero indicates that upcalls should
	63	+ * not be sent.
	64	+ * @OVS_DP_ATTR_STATS: Statistics about packets that have passed through the
	65	+ * datapath. Always present in notifications.
	66	+ *
	67	+ * These attributes follow the &struct ovs_header within the Generic Netlink
	68	+ * payload for %OVS_DP_* commands.
	69	+ */
	70	+enum ovs_datapath_attr {
	71	+ OVS_DP_ATTR_UNSPEC,
	72	+ OVS_DP_ATTR_NAME, /* name of dp_ifindex netdev */
	73	+ OVS_DP_ATTR_UPCALL_PID, /* Netlink PID to receive upcalls */
	74	+ OVS_DP_ATTR_STATS, /* struct ovs_dp_stats */
	75	+ __OVS_DP_ATTR_MAX
	76	+};
	77	+
	78	+#define OVS_DP_ATTR_MAX (__OVS_DP_ATTR_MAX - 1)
	79	+
	80	+struct ovs_dp_stats {
	81	+ __u64 n_hit; /* Number of flow table matches. */
	82	+ __u64 n_missed; /* Number of flow table misses. */
	83	+ __u64 n_lost; /* Number of misses not sent to userspace. */
	84	+ __u64 n_flows; /* Number of flows present */
	85	+};
	86	+
	87	+struct ovs_vport_stats {
	88	+ __u64 rx_packets; /* total packets received */
	89	+ __u64 tx_packets; /* total packets transmitted */
	90	+ __u64 rx_bytes; /* total bytes received */
	91	+ __u64 tx_bytes; /* total bytes transmitted */
	92	+ __u64 rx_errors; /* bad packets received */
	93	+ __u64 tx_errors; /* packet transmit problems */
	94	+ __u64 rx_dropped; /* no space in linux buffers */
	95	+ __u64 tx_dropped; /* no space available in linux */
	96	+};
	97	+
	98	+/* Fixed logical ports. */
	99	+#define OVSP_LOCAL ((__u32)0)
	100	+
	101	+/* Packet transfer. */
	102	+
	103	+#define OVS_PACKET_FAMILY "ovs_packet"
	104	+#define OVS_PACKET_VERSION 0x1
	105	+
	106	+enum ovs_packet_cmd {
	107	+ OVS_PACKET_CMD_UNSPEC,
	108	+
	109	+ /* Kernel-to-user notifications. */
	110	+ OVS_PACKET_CMD_MISS, /* Flow table miss. */
	111	+ OVS_PACKET_CMD_ACTION, /* OVS_ACTION_ATTR_USERSPACE action. */
	112	+
	113	+ /* Userspace commands. */
	114	+ OVS_PACKET_CMD_EXECUTE /* Apply actions to a packet. */
	115	+};
	116	+
	117	+/**
	118	+ * enum ovs_packet_attr - attributes for %OVS_PACKET_* commands.
	119	+ * @OVS_PACKET_ATTR_PACKET: Present for all notifications. Contains the entire
	120	+ * packet as received, from the start of the Ethernet header onward. For
	121	+ * %OVS_PACKET_CMD_ACTION, %OVS_PACKET_ATTR_PACKET reflects changes made by
	122	+ * actions preceding %OVS_ACTION_ATTR_USERSPACE, but %OVS_PACKET_ATTR_KEY is
	123	+ * the flow key extracted from the packet as originally received.
	124	+ * @OVS_PACKET_ATTR_KEY: Present for all notifications. Contains the flow key
	125	+ * extracted from the packet as nested %OVS_KEY_ATTR_* attributes. This allows
	126	+ * userspace to adapt its flow setup strategy by comparing its notion of the
	127	+ * flow key against the kernel's.
	128	+ * @OVS_PACKET_ATTR_ACTIONS: Contains actions for the packet. Used
	129	+ * for %OVS_PACKET_CMD_EXECUTE. It has nested %OVS_ACTION_ATTR_* attributes.
	130	+ * @OVS_PACKET_ATTR_USERDATA: Present for an %OVS_PACKET_CMD_ACTION
	131	+ * notification if the %OVS_ACTION_ATTR_USERSPACE action specified an
	132	+ * %OVS_USERSPACE_ATTR_USERDATA attribute, with the same length and content
	133	+ * specified there.
	134	+ *
	135	+ * These attributes follow the &struct ovs_header within the Generic Netlink
	136	+ * payload for %OVS_PACKET_* commands.
	137	+ */
	138	+enum ovs_packet_attr {
	139	+ OVS_PACKET_ATTR_UNSPEC,
	140	+ OVS_PACKET_ATTR_PACKET, /* Packet data. */
	141	+ OVS_PACKET_ATTR_KEY, /* Nested OVS_KEY_ATTR_* attributes. */
	142	+ OVS_PACKET_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */
	143	+ OVS_PACKET_ATTR_USERDATA, /* OVS_ACTION_ATTR_USERSPACE arg. */
	144	+ __OVS_PACKET_ATTR_MAX
	145	+};
	146	+
	147	+#define OVS_PACKET_ATTR_MAX (__OVS_PACKET_ATTR_MAX - 1)
	148	+
	149	+/* Virtual ports. */
	150	+
	151	+#define OVS_VPORT_FAMILY "ovs_vport"
	152	+#define OVS_VPORT_MCGROUP "ovs_vport"
	153	+#define OVS_VPORT_VERSION 0x1
	154	+
	155	+enum ovs_vport_cmd {
	156	+ OVS_VPORT_CMD_UNSPEC,
	157	+ OVS_VPORT_CMD_NEW,
	158	+ OVS_VPORT_CMD_DEL,
	159	+ OVS_VPORT_CMD_GET,
	160	+ OVS_VPORT_CMD_SET
	161	+};
	162	+
	163	+enum ovs_vport_type {
	164	+ OVS_VPORT_TYPE_UNSPEC,
	165	+ OVS_VPORT_TYPE_NETDEV, /* network device */
	166	+ OVS_VPORT_TYPE_INTERNAL, /* network device implemented by datapath */
	167	+ __OVS_VPORT_TYPE_MAX
	168	+};
	169	+
	170	+#define OVS_VPORT_TYPE_MAX (__OVS_VPORT_TYPE_MAX - 1)
	171	+
	172	+/**
	173	+ * enum ovs_vport_attr - attributes for %OVS_VPORT_* commands.
	174	+ * @OVS_VPORT_ATTR_PORT_NO: 32-bit port number within datapath.
	175	+ * @OVS_VPORT_ATTR_TYPE: 32-bit %OVS_VPORT_TYPE_* constant describing the type
	176	+ * of vport.
	177	+ * @OVS_VPORT_ATTR_NAME: Name of vport. For a vport based on a network device
	178	+ * this is the name of the network device. Maximum length %IFNAMSIZ-1 bytes
	179	+ * plus a null terminator.
	180	+ * @OVS_VPORT_ATTR_OPTIONS: Vport-specific configuration information.
	181	+ * @OVS_VPORT_ATTR_UPCALL_PID: The Netlink socket in userspace that
	182	+ * OVS_PACKET_CMD_MISS upcalls will be directed to for packets received on
	183	+ * this port. A value of zero indicates that upcalls should not be sent.
	184	+ * @OVS_VPORT_ATTR_STATS: A &struct ovs_vport_stats giving statistics for
	185	+ * packets sent or received through the vport.
	186	+ *
	187	+ * These attributes follow the &struct ovs_header within the Generic Netlink
	188	+ * payload for %OVS_VPORT_* commands.
	189	+ *
	190	+ * For %OVS_VPORT_CMD_NEW requests, the %OVS_VPORT_ATTR_TYPE and
	191	+ * %OVS_VPORT_ATTR_NAME attributes are required. %OVS_VPORT_ATTR_PORT_NO is
	192	+ * optional; if not specified a free port number is automatically selected.
	193	+ * Whether %OVS_VPORT_ATTR_OPTIONS is required or optional depends on the type
	194	+ * of vport.
	195	+ * and other attributes are ignored.
	196	+ *
	197	+ * For other requests, if %OVS_VPORT_ATTR_NAME is specified then it is used to
	198	+ * look up the vport to operate on; otherwise dp_idx from the &struct
	199	+ * ovs_header plus %OVS_VPORT_ATTR_PORT_NO determine the vport.
	200	+ */
	201	+enum ovs_vport_attr {
	202	+ OVS_VPORT_ATTR_UNSPEC,
	203	+ OVS_VPORT_ATTR_PORT_NO, /* u32 port number within datapath */
	204	+ OVS_VPORT_ATTR_TYPE, /* u32 OVS_VPORT_TYPE_* constant. */
	205	+ OVS_VPORT_ATTR_NAME, /* string name, up to IFNAMSIZ bytes long */
	206	+ OVS_VPORT_ATTR_OPTIONS, /* nested attributes, varies by vport type */
	207	+ OVS_VPORT_ATTR_UPCALL_PID, /* u32 Netlink PID to receive upcalls */
	208	+ OVS_VPORT_ATTR_STATS, /* struct ovs_vport_stats */
	209	+ __OVS_VPORT_ATTR_MAX
	210	+};
	211	+
	212	+#define OVS_VPORT_ATTR_MAX (__OVS_VPORT_ATTR_MAX - 1)
	213	+
	214	+/* Flows. */
	215	+
	216	+#define OVS_FLOW_FAMILY "ovs_flow"
	217	+#define OVS_FLOW_MCGROUP "ovs_flow"
	218	+#define OVS_FLOW_VERSION 0x1
	219	+
	220	+enum ovs_flow_cmd {
	221	+ OVS_FLOW_CMD_UNSPEC,
	222	+ OVS_FLOW_CMD_NEW,
	223	+ OVS_FLOW_CMD_DEL,
	224	+ OVS_FLOW_CMD_GET,
	225	+ OVS_FLOW_CMD_SET
	226	+};
	227	+
	228	+struct ovs_flow_stats {
	229	+ __u64 n_packets; /* Number of matched packets. */
	230	+ __u64 n_bytes; /* Number of matched bytes. */
	231	+};
	232	+
	233	+enum ovs_key_attr {
	234	+ OVS_KEY_ATTR_UNSPEC,
	235	+ OVS_KEY_ATTR_ENCAP, /* Nested set of encapsulated attributes. */
	236	+ OVS_KEY_ATTR_PRIORITY, /* u32 skb->priority */
	237	+ OVS_KEY_ATTR_IN_PORT, /* u32 OVS dp port number */
	238	+ OVS_KEY_ATTR_ETHERNET, /* struct ovs_key_ethernet */
	239	+ OVS_KEY_ATTR_VLAN, /* be16 VLAN TCI */
	240	+ OVS_KEY_ATTR_ETHERTYPE, /* be16 Ethernet type */
	241	+ OVS_KEY_ATTR_IPV4, /* struct ovs_key_ipv4 */
	242	+ OVS_KEY_ATTR_IPV6, /* struct ovs_key_ipv6 */
	243	+ OVS_KEY_ATTR_TCP, /* struct ovs_key_tcp */
	244	+ OVS_KEY_ATTR_UDP, /* struct ovs_key_udp */
	245	+ OVS_KEY_ATTR_ICMP, /* struct ovs_key_icmp */
	246	+ OVS_KEY_ATTR_ICMPV6, /* struct ovs_key_icmpv6 */
	247	+ OVS_KEY_ATTR_ARP, /* struct ovs_key_arp */
	248	+ OVS_KEY_ATTR_ND, /* struct ovs_key_nd */
	249	+ OVS_KEY_ATTR_SKB_MARK, /* u32 skb mark */
	250	+ __OVS_KEY_ATTR_MAX
	251	+};
	252	+
	253	+#define OVS_KEY_ATTR_MAX (__OVS_KEY_ATTR_MAX - 1)
	254	+
	255	+/**
	256	+ * enum ovs_frag_type - IPv4 and IPv6 fragment type
	257	+ * @OVS_FRAG_TYPE_NONE: Packet is not a fragment.
	258	+ * @OVS_FRAG_TYPE_FIRST: Packet is a fragment with offset 0.
	259	+ * @OVS_FRAG_TYPE_LATER: Packet is a fragment with nonzero offset.
	260	+ *
	261	+ * Used as the @ipv4_frag in &struct ovs_key_ipv4 and as @ipv6_frag &struct
	262	+ * ovs_key_ipv6.
	263	+ */
	264	+enum ovs_frag_type {
	265	+ OVS_FRAG_TYPE_NONE,
	266	+ OVS_FRAG_TYPE_FIRST,
	267	+ OVS_FRAG_TYPE_LATER,
	268	+ __OVS_FRAG_TYPE_MAX
	269	+};
	270	+
	271	+#define OVS_FRAG_TYPE_MAX (__OVS_FRAG_TYPE_MAX - 1)
	272	+
	273	+struct ovs_key_ethernet {
	274	+ __u8 eth_src[ETH_ALEN];
	275	+ __u8 eth_dst[ETH_ALEN];
	276	+};
	277	+
	278	+struct ovs_key_ipv4 {
	279	+ __be32 ipv4_src;
	280	+ __be32 ipv4_dst;
	281	+ __u8 ipv4_proto;
	282	+ __u8 ipv4_tos;
	283	+ __u8 ipv4_ttl;
	284	+ __u8 ipv4_frag; /* One of OVS_FRAG_TYPE_. /
	285	+};
	286	+
	287	+struct ovs_key_ipv6 {
	288	+ __be32 ipv6_src[4];
	289	+ __be32 ipv6_dst[4];
	290	+ __be32 ipv6_label; /* 20-bits in least-significant bits. */
	291	+ __u8 ipv6_proto;
	292	+ __u8 ipv6_tclass;
	293	+ __u8 ipv6_hlimit;
	294	+ __u8 ipv6_frag; /* One of OVS_FRAG_TYPE_. /
	295	+};
	296	+
	297	+struct ovs_key_tcp {
	298	+ __be16 tcp_src;
	299	+ __be16 tcp_dst;
	300	+};
	301	+
	302	+struct ovs_key_udp {
	303	+ __be16 udp_src;
	304	+ __be16 udp_dst;
	305	+};
	306	+
	307	+struct ovs_key_icmp {
	308	+ __u8 icmp_type;
	309	+ __u8 icmp_code;
	310	+};
	311	+
	312	+struct ovs_key_icmpv6 {
	313	+ __u8 icmpv6_type;
	314	+ __u8 icmpv6_code;
	315	+};
	316	+
	317	+struct ovs_key_arp {
	318	+ __be32 arp_sip;
	319	+ __be32 arp_tip;
	320	+ __be16 arp_op;
	321	+ __u8 arp_sha[ETH_ALEN];
	322	+ __u8 arp_tha[ETH_ALEN];
	323	+};
	324	+
	325	+struct ovs_key_nd {
	326	+ __u32 nd_target[4];
	327	+ __u8 nd_sll[ETH_ALEN];
	328	+ __u8 nd_tll[ETH_ALEN];
	329	+};
	330	+
	331	+/**
	332	+ * enum ovs_flow_attr - attributes for %OVS_FLOW_* commands.
	333	+ * @OVS_FLOW_ATTR_KEY: Nested %OVS_KEY_ATTR_* attributes specifying the flow
	334	+ * key. Always present in notifications. Required for all requests (except
	335	+ * dumps).
	336	+ * @OVS_FLOW_ATTR_ACTIONS: Nested %OVS_ACTION_ATTR_* attributes specifying
	337	+ * the actions to take for packets that match the key. Always present in
	338	+ * notifications. Required for %OVS_FLOW_CMD_NEW requests, optional for
	339	+ * %OVS_FLOW_CMD_SET requests.
	340	+ * @OVS_FLOW_ATTR_STATS: &struct ovs_flow_stats giving statistics for this
	341	+ * flow. Present in notifications if the stats would be nonzero. Ignored in
	342	+ * requests.
	343	+ * @OVS_FLOW_ATTR_TCP_FLAGS: An 8-bit value giving the OR'd value of all of the
	344	+ * TCP flags seen on packets in this flow. Only present in notifications for
	345	+ * TCP flows, and only if it would be nonzero. Ignored in requests.
	346	+ * @OVS_FLOW_ATTR_USED: A 64-bit integer giving the time, in milliseconds on
	347	+ * the system monotonic clock, at which a packet was last processed for this
	348	+ * flow. Only present in notifications if a packet has been processed for this
	349	+ * flow. Ignored in requests.
	350	+ * @OVS_FLOW_ATTR_CLEAR: If present in a %OVS_FLOW_CMD_SET request, clears the
	351	+ * last-used time, accumulated TCP flags, and statistics for this flow.
	352	+ * Otherwise ignored in requests. Never present in notifications.
	353	+ *
	354	+ * These attributes follow the &struct ovs_header within the Generic Netlink
	355	+ * payload for %OVS_FLOW_* commands.
	356	+ */
	357	+enum ovs_flow_attr {
	358	+ OVS_FLOW_ATTR_UNSPEC,
	359	+ OVS_FLOW_ATTR_KEY, /* Sequence of OVS_KEY_ATTR_* attributes. */
	360	+ OVS_FLOW_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */
	361	+ OVS_FLOW_ATTR_STATS, /* struct ovs_flow_stats. */
	362	+ OVS_FLOW_ATTR_TCP_FLAGS, /* 8-bit OR'd TCP flags. */
	363	+ OVS_FLOW_ATTR_USED, /* u64 msecs last used in monotonic time. */
	364	+ OVS_FLOW_ATTR_CLEAR, /* Flag to clear stats, tcp_flags, used. */
	365	+ __OVS_FLOW_ATTR_MAX
	366	+};
	367	+
	368	+#define OVS_FLOW_ATTR_MAX (__OVS_FLOW_ATTR_MAX - 1)
	369	+
	370	+/**
	371	+ * enum ovs_sample_attr - Attributes for %OVS_ACTION_ATTR_SAMPLE action.
	372	+ * @OVS_SAMPLE_ATTR_PROBABILITY: 32-bit fraction of packets to sample with
	373	+ * @OVS_ACTION_ATTR_SAMPLE. A value of 0 samples no packets, a value of
	374	+ * %UINT32_MAX samples all packets and intermediate values sample intermediate
	375	+ * fractions of packets.
	376	+ * @OVS_SAMPLE_ATTR_ACTIONS: Set of actions to execute in sampling event.
	377	+ * Actions are passed as nested attributes.
	378	+ *
	379	+ * Executes the specified actions with the given probability on a per-packet
	380	+ * basis.
	381	+ */
	382	+enum ovs_sample_attr {
	383	+ OVS_SAMPLE_ATTR_UNSPEC,
	384	+ OVS_SAMPLE_ATTR_PROBABILITY, /* u32 number */
	385	+ OVS_SAMPLE_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */
	386	+ __OVS_SAMPLE_ATTR_MAX,
	387	+};
	388	+
	389	+#define OVS_SAMPLE_ATTR_MAX (__OVS_SAMPLE_ATTR_MAX - 1)
	390	+
	391	+/**
	392	+ * enum ovs_userspace_attr - Attributes for %OVS_ACTION_ATTR_USERSPACE action.
	393	+ * @OVS_USERSPACE_ATTR_PID: u32 Netlink PID to which the %OVS_PACKET_CMD_ACTION
	394	+ * message should be sent. Required.
	395	+ * @OVS_USERSPACE_ATTR_USERDATA: If present, its variable-length argument is
	396	+ * copied to the %OVS_PACKET_CMD_ACTION message as %OVS_PACKET_ATTR_USERDATA.
	397	+ */
	398	+enum ovs_userspace_attr {
	399	+ OVS_USERSPACE_ATTR_UNSPEC,
	400	+ OVS_USERSPACE_ATTR_PID, /* u32 Netlink PID to receive upcalls. */
	401	+ OVS_USERSPACE_ATTR_USERDATA, /* Optional user-specified cookie. */
	402	+ __OVS_USERSPACE_ATTR_MAX
	403	+};
	404	+
	405	+#define OVS_USERSPACE_ATTR_MAX (__OVS_USERSPACE_ATTR_MAX - 1)
	406	+
	407	+/**
	408	+ * struct ovs_action_push_vlan - %OVS_ACTION_ATTR_PUSH_VLAN action argument.
	409	+ * @vlan_tpid: Tag protocol identifier (TPID) to push.
	410	+ * @vlan_tci: Tag control identifier (TCI) to push. The CFI bit must be set
	411	+ * (but it will not be set in the 802.1Q header that is pushed).
	412	+ *
	413	+ * The @vlan_tpid value is typically %ETH_P_8021Q. The only acceptable TPID
	414	+ * values are those that the kernel module also parses as 802.1Q headers, to
	415	+ * prevent %OVS_ACTION_ATTR_PUSH_VLAN followed by %OVS_ACTION_ATTR_POP_VLAN
	416	+ * from having surprising results.
	417	+ */
	418	+struct ovs_action_push_vlan {
	419	+ __be16 vlan_tpid; /* 802.1Q TPID. */
	420	+ __be16 vlan_tci; /* 802.1Q TCI (VLAN ID and priority). */
	421	+};
	422	+
	423	+/**
	424	+ * enum ovs_action_attr - Action types.
	425	+ *
	426	+ * @OVS_ACTION_ATTR_OUTPUT: Output packet to port.
	427	+ * @OVS_ACTION_ATTR_USERSPACE: Send packet to userspace according to nested
	428	+ * %OVS_USERSPACE_ATTR_* attributes.
	429	+ * @OVS_ACTION_ATTR_SET: Replaces the contents of an existing header. The
	430	+ * single nested %OVS_KEY_ATTR_* attribute specifies a header to modify and its
	431	+ * value.
	432	+ * @OVS_ACTION_ATTR_PUSH_VLAN: Push a new outermost 802.1Q header onto the
	433	+ * packet.
	434	+ * @OVS_ACTION_ATTR_POP_VLAN: Pop the outermost 802.1Q header off the packet.
	435	+ * @OVS_ACTION_ATTR_SAMPLE: Probabilitically executes actions, as specified in
	436	+ * the nested %OVS_SAMPLE_ATTR_* attributes.
	437	+ *
	438	+ * Only a single header can be set with a single %OVS_ACTION_ATTR_SET. Not all
	439	+ * fields within a header are modifiable, e.g. the IPv4 protocol and fragment
	440	+ * type may not be changed.
	441	+ */
	442	+
	443	+enum ovs_action_attr {
	444	+ OVS_ACTION_ATTR_UNSPEC,
	445	+ OVS_ACTION_ATTR_OUTPUT, /* u32 port number. */
	446	+ OVS_ACTION_ATTR_USERSPACE, /* Nested OVS_USERSPACE_ATTR_. /
	447	+ OVS_ACTION_ATTR_SET, /* One nested OVS_KEY_ATTR_. /
	448	+ OVS_ACTION_ATTR_PUSH_VLAN, /* struct ovs_action_push_vlan. */
	449	+ OVS_ACTION_ATTR_POP_VLAN, /* No argument. */
	450	+ OVS_ACTION_ATTR_SAMPLE, /* Nested OVS_SAMPLE_ATTR_. /
	451	+ __OVS_ACTION_ATTR_MAX
	452	+};
	453	+
	454	+#define OVS_ACTION_ATTR_MAX (__OVS_ACTION_ATTR_MAX - 1)
	455	+
	456	+#endif /* _LINUX_OPENVSWITCH_H */

openvswitch: Expose <linux/openvswitch.h> to userspace

Keyboard shortcuts

General

Issues and pull requests

Issues, pull requests and Inbox

Repository code