Commit | Line | Data |
---|---|---|
ccb1352e JG |
1 | /* |
2 | * Copyright (c) 2007-2011 Nicira Networks. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of version 2 of the GNU General Public | |
6 | * License as published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, but | |
9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
11 | * General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this program; if not, write to the Free Software | |
15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
16 | * 02110-1301, USA | |
17 | */ | |
18 | ||
19 | #ifndef _LINUX_OPENVSWITCH_H | |
20 | #define _LINUX_OPENVSWITCH_H 1 | |
21 | ||
22 | #include <linux/types.h> | |
23 | ||
24 | /** | |
25 | * struct ovs_header - header for OVS Generic Netlink messages. | |
26 | * @dp_ifindex: ifindex of local port for datapath (0 to make a request not | |
27 | * specific to a datapath). | |
28 | * | |
29 | * Attributes following the header are specific to a particular OVS Generic | |
30 | * Netlink family, but all of the OVS families use this header. | |
31 | */ | |
32 | ||
33 | struct ovs_header { | |
34 | int dp_ifindex; | |
35 | }; | |
36 | ||
37 | /* Datapaths. */ | |
38 | ||
39 | #define OVS_DATAPATH_FAMILY "ovs_datapath" | |
40 | #define OVS_DATAPATH_MCGROUP "ovs_datapath" | |
41 | #define OVS_DATAPATH_VERSION 0x1 | |
42 | ||
43 | enum ovs_datapath_cmd { | |
44 | OVS_DP_CMD_UNSPEC, | |
45 | OVS_DP_CMD_NEW, | |
46 | OVS_DP_CMD_DEL, | |
47 | OVS_DP_CMD_GET, | |
48 | OVS_DP_CMD_SET | |
49 | }; | |
50 | ||
51 | /** | |
52 | * enum ovs_datapath_attr - attributes for %OVS_DP_* commands. | |
53 | * @OVS_DP_ATTR_NAME: Name of the network device that serves as the "local | |
54 | * port". This is the name of the network device whose dp_ifindex is given in | |
55 | * the &struct ovs_header. Always present in notifications. Required in | |
56 | * %OVS_DP_NEW requests. May be used as an alternative to specifying | |
57 | * dp_ifindex in other requests (with a dp_ifindex of 0). | |
58 | * @OVS_DP_ATTR_UPCALL_PID: The Netlink socket in userspace that is initially | |
59 | * set on the datapath port (for OVS_ACTION_ATTR_MISS). Only valid on | |
60 | * %OVS_DP_CMD_NEW requests. A value of zero indicates that upcalls should | |
61 | * not be sent. | |
62 | * @OVS_DP_ATTR_STATS: Statistics about packets that have passed through the | |
63 | * datapath. Always present in notifications. | |
64 | * | |
65 | * These attributes follow the &struct ovs_header within the Generic Netlink | |
66 | * payload for %OVS_DP_* commands. | |
67 | */ | |
68 | enum ovs_datapath_attr { | |
69 | OVS_DP_ATTR_UNSPEC, | |
70 | OVS_DP_ATTR_NAME, /* name of dp_ifindex netdev */ | |
71 | OVS_DP_ATTR_UPCALL_PID, /* Netlink PID to receive upcalls */ | |
72 | OVS_DP_ATTR_STATS, /* struct ovs_dp_stats */ | |
73 | __OVS_DP_ATTR_MAX | |
74 | }; | |
75 | ||
76 | #define OVS_DP_ATTR_MAX (__OVS_DP_ATTR_MAX - 1) | |
77 | ||
78 | struct ovs_dp_stats { | |
79 | __u64 n_hit; /* Number of flow table matches. */ | |
80 | __u64 n_missed; /* Number of flow table misses. */ | |
81 | __u64 n_lost; /* Number of misses not sent to userspace. */ | |
82 | __u64 n_flows; /* Number of flows present */ | |
83 | }; | |
84 | ||
85 | struct ovs_vport_stats { | |
86 | __u64 rx_packets; /* total packets received */ | |
87 | __u64 tx_packets; /* total packets transmitted */ | |
88 | __u64 rx_bytes; /* total bytes received */ | |
89 | __u64 tx_bytes; /* total bytes transmitted */ | |
90 | __u64 rx_errors; /* bad packets received */ | |
91 | __u64 tx_errors; /* packet transmit problems */ | |
92 | __u64 rx_dropped; /* no space in linux buffers */ | |
93 | __u64 tx_dropped; /* no space available in linux */ | |
94 | }; | |
95 | ||
96 | /* Fixed logical ports. */ | |
97 | #define OVSP_LOCAL ((__u16)0) | |
98 | ||
99 | /* Packet transfer. */ | |
100 | ||
101 | #define OVS_PACKET_FAMILY "ovs_packet" | |
102 | #define OVS_PACKET_VERSION 0x1 | |
103 | ||
104 | enum ovs_packet_cmd { | |
105 | OVS_PACKET_CMD_UNSPEC, | |
106 | ||
107 | /* Kernel-to-user notifications. */ | |
108 | OVS_PACKET_CMD_MISS, /* Flow table miss. */ | |
109 | OVS_PACKET_CMD_ACTION, /* OVS_ACTION_ATTR_USERSPACE action. */ | |
110 | ||
111 | /* Userspace commands. */ | |
112 | OVS_PACKET_CMD_EXECUTE /* Apply actions to a packet. */ | |
113 | }; | |
114 | ||
115 | /** | |
116 | * enum ovs_packet_attr - attributes for %OVS_PACKET_* commands. | |
117 | * @OVS_PACKET_ATTR_PACKET: Present for all notifications. Contains the entire | |
118 | * packet as received, from the start of the Ethernet header onward. For | |
119 | * %OVS_PACKET_CMD_ACTION, %OVS_PACKET_ATTR_PACKET reflects changes made by | |
120 | * actions preceding %OVS_ACTION_ATTR_USERSPACE, but %OVS_PACKET_ATTR_KEY is | |
121 | * the flow key extracted from the packet as originally received. | |
122 | * @OVS_PACKET_ATTR_KEY: Present for all notifications. Contains the flow key | |
123 | * extracted from the packet as nested %OVS_KEY_ATTR_* attributes. This allows | |
124 | * userspace to adapt its flow setup strategy by comparing its notion of the | |
125 | * flow key against the kernel's. | |
126 | * @OVS_PACKET_ATTR_ACTIONS: Contains actions for the packet. Used | |
127 | * for %OVS_PACKET_CMD_EXECUTE. It has nested %OVS_ACTION_ATTR_* attributes. | |
128 | * @OVS_PACKET_ATTR_USERDATA: Present for an %OVS_PACKET_CMD_ACTION | |
129 | * notification if the %OVS_ACTION_ATTR_USERSPACE action specified an | |
130 | * %OVS_USERSPACE_ATTR_USERDATA attribute. | |
131 | * | |
132 | * These attributes follow the &struct ovs_header within the Generic Netlink | |
133 | * payload for %OVS_PACKET_* commands. | |
134 | */ | |
135 | enum ovs_packet_attr { | |
136 | OVS_PACKET_ATTR_UNSPEC, | |
137 | OVS_PACKET_ATTR_PACKET, /* Packet data. */ | |
138 | OVS_PACKET_ATTR_KEY, /* Nested OVS_KEY_ATTR_* attributes. */ | |
139 | OVS_PACKET_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */ | |
140 | OVS_PACKET_ATTR_USERDATA, /* u64 OVS_ACTION_ATTR_USERSPACE arg. */ | |
141 | __OVS_PACKET_ATTR_MAX | |
142 | }; | |
143 | ||
144 | #define OVS_PACKET_ATTR_MAX (__OVS_PACKET_ATTR_MAX - 1) | |
145 | ||
146 | /* Virtual ports. */ | |
147 | ||
148 | #define OVS_VPORT_FAMILY "ovs_vport" | |
149 | #define OVS_VPORT_MCGROUP "ovs_vport" | |
150 | #define OVS_VPORT_VERSION 0x1 | |
151 | ||
152 | enum ovs_vport_cmd { | |
153 | OVS_VPORT_CMD_UNSPEC, | |
154 | OVS_VPORT_CMD_NEW, | |
155 | OVS_VPORT_CMD_DEL, | |
156 | OVS_VPORT_CMD_GET, | |
157 | OVS_VPORT_CMD_SET | |
158 | }; | |
159 | ||
160 | enum ovs_vport_type { | |
161 | OVS_VPORT_TYPE_UNSPEC, | |
162 | OVS_VPORT_TYPE_NETDEV, /* network device */ | |
163 | OVS_VPORT_TYPE_INTERNAL, /* network device implemented by datapath */ | |
164 | __OVS_VPORT_TYPE_MAX | |
165 | }; | |
166 | ||
167 | #define OVS_VPORT_TYPE_MAX (__OVS_VPORT_TYPE_MAX - 1) | |
168 | ||
169 | /** | |
170 | * enum ovs_vport_attr - attributes for %OVS_VPORT_* commands. | |
171 | * @OVS_VPORT_ATTR_PORT_NO: 32-bit port number within datapath. | |
172 | * @OVS_VPORT_ATTR_TYPE: 32-bit %OVS_VPORT_TYPE_* constant describing the type | |
173 | * of vport. | |
174 | * @OVS_VPORT_ATTR_NAME: Name of vport. For a vport based on a network device | |
175 | * this is the name of the network device. Maximum length %IFNAMSIZ-1 bytes | |
176 | * plus a null terminator. | |
177 | * @OVS_VPORT_ATTR_OPTIONS: Vport-specific configuration information. | |
178 | * @OVS_VPORT_ATTR_UPCALL_PID: The Netlink socket in userspace that | |
179 | * OVS_PACKET_CMD_MISS upcalls will be directed to for packets received on | |
180 | * this port. A value of zero indicates that upcalls should not be sent. | |
181 | * @OVS_VPORT_ATTR_STATS: A &struct ovs_vport_stats giving statistics for | |
182 | * packets sent or received through the vport. | |
183 | * | |
184 | * These attributes follow the &struct ovs_header within the Generic Netlink | |
185 | * payload for %OVS_VPORT_* commands. | |
186 | * | |
187 | * For %OVS_VPORT_CMD_NEW requests, the %OVS_VPORT_ATTR_TYPE and | |
188 | * %OVS_VPORT_ATTR_NAME attributes are required. %OVS_VPORT_ATTR_PORT_NO is | |
189 | * optional; if not specified a free port number is automatically selected. | |
190 | * Whether %OVS_VPORT_ATTR_OPTIONS is required or optional depends on the type | |
191 | * of vport. | |
192 | * and other attributes are ignored. | |
193 | * | |
194 | * For other requests, if %OVS_VPORT_ATTR_NAME is specified then it is used to | |
195 | * look up the vport to operate on; otherwise dp_idx from the &struct | |
196 | * ovs_header plus %OVS_VPORT_ATTR_PORT_NO determine the vport. | |
197 | */ | |
198 | enum ovs_vport_attr { | |
199 | OVS_VPORT_ATTR_UNSPEC, | |
200 | OVS_VPORT_ATTR_PORT_NO, /* u32 port number within datapath */ | |
201 | OVS_VPORT_ATTR_TYPE, /* u32 OVS_VPORT_TYPE_* constant. */ | |
202 | OVS_VPORT_ATTR_NAME, /* string name, up to IFNAMSIZ bytes long */ | |
203 | OVS_VPORT_ATTR_OPTIONS, /* nested attributes, varies by vport type */ | |
204 | OVS_VPORT_ATTR_UPCALL_PID, /* u32 Netlink PID to receive upcalls */ | |
205 | OVS_VPORT_ATTR_STATS, /* struct ovs_vport_stats */ | |
206 | __OVS_VPORT_ATTR_MAX | |
207 | }; | |
208 | ||
209 | #define OVS_VPORT_ATTR_MAX (__OVS_VPORT_ATTR_MAX - 1) | |
210 | ||
211 | /* Flows. */ | |
212 | ||
213 | #define OVS_FLOW_FAMILY "ovs_flow" | |
214 | #define OVS_FLOW_MCGROUP "ovs_flow" | |
215 | #define OVS_FLOW_VERSION 0x1 | |
216 | ||
217 | enum ovs_flow_cmd { | |
218 | OVS_FLOW_CMD_UNSPEC, | |
219 | OVS_FLOW_CMD_NEW, | |
220 | OVS_FLOW_CMD_DEL, | |
221 | OVS_FLOW_CMD_GET, | |
222 | OVS_FLOW_CMD_SET | |
223 | }; | |
224 | ||
225 | struct ovs_flow_stats { | |
226 | __u64 n_packets; /* Number of matched packets. */ | |
227 | __u64 n_bytes; /* Number of matched bytes. */ | |
228 | }; | |
229 | ||
230 | enum ovs_key_attr { | |
231 | OVS_KEY_ATTR_UNSPEC, | |
232 | OVS_KEY_ATTR_ENCAP, /* Nested set of encapsulated attributes. */ | |
233 | OVS_KEY_ATTR_PRIORITY, /* u32 skb->priority */ | |
234 | OVS_KEY_ATTR_IN_PORT, /* u32 OVS dp port number */ | |
235 | OVS_KEY_ATTR_ETHERNET, /* struct ovs_key_ethernet */ | |
236 | OVS_KEY_ATTR_VLAN, /* be16 VLAN TCI */ | |
237 | OVS_KEY_ATTR_ETHERTYPE, /* be16 Ethernet type */ | |
238 | OVS_KEY_ATTR_IPV4, /* struct ovs_key_ipv4 */ | |
239 | OVS_KEY_ATTR_IPV6, /* struct ovs_key_ipv6 */ | |
240 | OVS_KEY_ATTR_TCP, /* struct ovs_key_tcp */ | |
241 | OVS_KEY_ATTR_UDP, /* struct ovs_key_udp */ | |
242 | OVS_KEY_ATTR_ICMP, /* struct ovs_key_icmp */ | |
243 | OVS_KEY_ATTR_ICMPV6, /* struct ovs_key_icmpv6 */ | |
244 | OVS_KEY_ATTR_ARP, /* struct ovs_key_arp */ | |
245 | OVS_KEY_ATTR_ND, /* struct ovs_key_nd */ | |
39c7caeb | 246 | OVS_KEY_ATTR_SKB_MARK, /* u32 skb mark */ |
ccb1352e JG |
247 | __OVS_KEY_ATTR_MAX |
248 | }; | |
249 | ||
250 | #define OVS_KEY_ATTR_MAX (__OVS_KEY_ATTR_MAX - 1) | |
251 | ||
252 | /** | |
253 | * enum ovs_frag_type - IPv4 and IPv6 fragment type | |
254 | * @OVS_FRAG_TYPE_NONE: Packet is not a fragment. | |
255 | * @OVS_FRAG_TYPE_FIRST: Packet is a fragment with offset 0. | |
256 | * @OVS_FRAG_TYPE_LATER: Packet is a fragment with nonzero offset. | |
257 | * | |
258 | * Used as the @ipv4_frag in &struct ovs_key_ipv4 and as @ipv6_frag &struct | |
259 | * ovs_key_ipv6. | |
260 | */ | |
261 | enum ovs_frag_type { | |
262 | OVS_FRAG_TYPE_NONE, | |
263 | OVS_FRAG_TYPE_FIRST, | |
264 | OVS_FRAG_TYPE_LATER, | |
265 | __OVS_FRAG_TYPE_MAX | |
266 | }; | |
267 | ||
268 | #define OVS_FRAG_TYPE_MAX (__OVS_FRAG_TYPE_MAX - 1) | |
269 | ||
270 | struct ovs_key_ethernet { | |
271 | __u8 eth_src[6]; | |
272 | __u8 eth_dst[6]; | |
273 | }; | |
274 | ||
275 | struct ovs_key_ipv4 { | |
276 | __be32 ipv4_src; | |
277 | __be32 ipv4_dst; | |
278 | __u8 ipv4_proto; | |
279 | __u8 ipv4_tos; | |
280 | __u8 ipv4_ttl; | |
281 | __u8 ipv4_frag; /* One of OVS_FRAG_TYPE_*. */ | |
282 | }; | |
283 | ||
284 | struct ovs_key_ipv6 { | |
285 | __be32 ipv6_src[4]; | |
286 | __be32 ipv6_dst[4]; | |
287 | __be32 ipv6_label; /* 20-bits in least-significant bits. */ | |
288 | __u8 ipv6_proto; | |
289 | __u8 ipv6_tclass; | |
290 | __u8 ipv6_hlimit; | |
291 | __u8 ipv6_frag; /* One of OVS_FRAG_TYPE_*. */ | |
292 | }; | |
293 | ||
294 | struct ovs_key_tcp { | |
295 | __be16 tcp_src; | |
296 | __be16 tcp_dst; | |
297 | }; | |
298 | ||
299 | struct ovs_key_udp { | |
300 | __be16 udp_src; | |
301 | __be16 udp_dst; | |
302 | }; | |
303 | ||
304 | struct ovs_key_icmp { | |
305 | __u8 icmp_type; | |
306 | __u8 icmp_code; | |
307 | }; | |
308 | ||
309 | struct ovs_key_icmpv6 { | |
310 | __u8 icmpv6_type; | |
311 | __u8 icmpv6_code; | |
312 | }; | |
313 | ||
314 | struct ovs_key_arp { | |
315 | __be32 arp_sip; | |
316 | __be32 arp_tip; | |
317 | __be16 arp_op; | |
318 | __u8 arp_sha[6]; | |
319 | __u8 arp_tha[6]; | |
320 | }; | |
321 | ||
322 | struct ovs_key_nd { | |
323 | __u32 nd_target[4]; | |
324 | __u8 nd_sll[6]; | |
325 | __u8 nd_tll[6]; | |
326 | }; | |
327 | ||
328 | /** | |
329 | * enum ovs_flow_attr - attributes for %OVS_FLOW_* commands. | |
330 | * @OVS_FLOW_ATTR_KEY: Nested %OVS_KEY_ATTR_* attributes specifying the flow | |
331 | * key. Always present in notifications. Required for all requests (except | |
332 | * dumps). | |
333 | * @OVS_FLOW_ATTR_ACTIONS: Nested %OVS_ACTION_ATTR_* attributes specifying | |
334 | * the actions to take for packets that match the key. Always present in | |
335 | * notifications. Required for %OVS_FLOW_CMD_NEW requests, optional for | |
336 | * %OVS_FLOW_CMD_SET requests. | |
337 | * @OVS_FLOW_ATTR_STATS: &struct ovs_flow_stats giving statistics for this | |
338 | * flow. Present in notifications if the stats would be nonzero. Ignored in | |
339 | * requests. | |
340 | * @OVS_FLOW_ATTR_TCP_FLAGS: An 8-bit value giving the OR'd value of all of the | |
341 | * TCP flags seen on packets in this flow. Only present in notifications for | |
342 | * TCP flows, and only if it would be nonzero. Ignored in requests. | |
343 | * @OVS_FLOW_ATTR_USED: A 64-bit integer giving the time, in milliseconds on | |
344 | * the system monotonic clock, at which a packet was last processed for this | |
345 | * flow. Only present in notifications if a packet has been processed for this | |
346 | * flow. Ignored in requests. | |
347 | * @OVS_FLOW_ATTR_CLEAR: If present in a %OVS_FLOW_CMD_SET request, clears the | |
348 | * last-used time, accumulated TCP flags, and statistics for this flow. | |
349 | * Otherwise ignored in requests. Never present in notifications. | |
350 | * | |
351 | * These attributes follow the &struct ovs_header within the Generic Netlink | |
352 | * payload for %OVS_FLOW_* commands. | |
353 | */ | |
354 | enum ovs_flow_attr { | |
355 | OVS_FLOW_ATTR_UNSPEC, | |
356 | OVS_FLOW_ATTR_KEY, /* Sequence of OVS_KEY_ATTR_* attributes. */ | |
357 | OVS_FLOW_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */ | |
358 | OVS_FLOW_ATTR_STATS, /* struct ovs_flow_stats. */ | |
359 | OVS_FLOW_ATTR_TCP_FLAGS, /* 8-bit OR'd TCP flags. */ | |
360 | OVS_FLOW_ATTR_USED, /* u64 msecs last used in monotonic time. */ | |
361 | OVS_FLOW_ATTR_CLEAR, /* Flag to clear stats, tcp_flags, used. */ | |
362 | __OVS_FLOW_ATTR_MAX | |
363 | }; | |
364 | ||
365 | #define OVS_FLOW_ATTR_MAX (__OVS_FLOW_ATTR_MAX - 1) | |
366 | ||
367 | /** | |
368 | * enum ovs_sample_attr - Attributes for %OVS_ACTION_ATTR_SAMPLE action. | |
369 | * @OVS_SAMPLE_ATTR_PROBABILITY: 32-bit fraction of packets to sample with | |
370 | * @OVS_ACTION_ATTR_SAMPLE. A value of 0 samples no packets, a value of | |
371 | * %UINT32_MAX samples all packets and intermediate values sample intermediate | |
372 | * fractions of packets. | |
373 | * @OVS_SAMPLE_ATTR_ACTIONS: Set of actions to execute in sampling event. | |
374 | * Actions are passed as nested attributes. | |
375 | * | |
376 | * Executes the specified actions with the given probability on a per-packet | |
377 | * basis. | |
378 | */ | |
379 | enum ovs_sample_attr { | |
380 | OVS_SAMPLE_ATTR_UNSPEC, | |
381 | OVS_SAMPLE_ATTR_PROBABILITY, /* u32 number */ | |
382 | OVS_SAMPLE_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */ | |
383 | __OVS_SAMPLE_ATTR_MAX, | |
384 | }; | |
385 | ||
386 | #define OVS_SAMPLE_ATTR_MAX (__OVS_SAMPLE_ATTR_MAX - 1) | |
387 | ||
388 | /** | |
389 | * enum ovs_userspace_attr - Attributes for %OVS_ACTION_ATTR_USERSPACE action. | |
390 | * @OVS_USERSPACE_ATTR_PID: u32 Netlink PID to which the %OVS_PACKET_CMD_ACTION | |
391 | * message should be sent. Required. | |
392 | * @OVS_USERSPACE_ATTR_USERDATA: If present, its u64 argument is copied to the | |
393 | * %OVS_PACKET_CMD_ACTION message as %OVS_PACKET_ATTR_USERDATA, | |
394 | */ | |
395 | enum ovs_userspace_attr { | |
396 | OVS_USERSPACE_ATTR_UNSPEC, | |
397 | OVS_USERSPACE_ATTR_PID, /* u32 Netlink PID to receive upcalls. */ | |
398 | OVS_USERSPACE_ATTR_USERDATA, /* u64 optional user-specified cookie. */ | |
399 | __OVS_USERSPACE_ATTR_MAX | |
400 | }; | |
401 | ||
402 | #define OVS_USERSPACE_ATTR_MAX (__OVS_USERSPACE_ATTR_MAX - 1) | |
403 | ||
404 | /** | |
405 | * struct ovs_action_push_vlan - %OVS_ACTION_ATTR_PUSH_VLAN action argument. | |
406 | * @vlan_tpid: Tag protocol identifier (TPID) to push. | |
407 | * @vlan_tci: Tag control identifier (TCI) to push. The CFI bit must be set | |
408 | * (but it will not be set in the 802.1Q header that is pushed). | |
409 | * | |
410 | * The @vlan_tpid value is typically %ETH_P_8021Q. The only acceptable TPID | |
411 | * values are those that the kernel module also parses as 802.1Q headers, to | |
412 | * prevent %OVS_ACTION_ATTR_PUSH_VLAN followed by %OVS_ACTION_ATTR_POP_VLAN | |
413 | * from having surprising results. | |
414 | */ | |
415 | struct ovs_action_push_vlan { | |
416 | __be16 vlan_tpid; /* 802.1Q TPID. */ | |
417 | __be16 vlan_tci; /* 802.1Q TCI (VLAN ID and priority). */ | |
418 | }; | |
419 | ||
420 | /** | |
421 | * enum ovs_action_attr - Action types. | |
422 | * | |
423 | * @OVS_ACTION_ATTR_OUTPUT: Output packet to port. | |
424 | * @OVS_ACTION_ATTR_USERSPACE: Send packet to userspace according to nested | |
425 | * %OVS_USERSPACE_ATTR_* attributes. | |
426 | * @OVS_ACTION_ATTR_SET: Replaces the contents of an existing header. The | |
427 | * single nested %OVS_KEY_ATTR_* attribute specifies a header to modify and its | |
428 | * value. | |
429 | * @OVS_ACTION_ATTR_PUSH_VLAN: Push a new outermost 802.1Q header onto the | |
430 | * packet. | |
431 | * @OVS_ACTION_ATTR_POP_VLAN: Pop the outermost 802.1Q header off the packet. | |
432 | * @OVS_ACTION_ATTR_SAMPLE: Probabilitically executes actions, as specified in | |
433 | * the nested %OVS_SAMPLE_ATTR_* attributes. | |
434 | * | |
435 | * Only a single header can be set with a single %OVS_ACTION_ATTR_SET. Not all | |
436 | * fields within a header are modifiable, e.g. the IPv4 protocol and fragment | |
437 | * type may not be changed. | |
438 | */ | |
439 | ||
440 | enum ovs_action_attr { | |
441 | OVS_ACTION_ATTR_UNSPEC, | |
442 | OVS_ACTION_ATTR_OUTPUT, /* u32 port number. */ | |
443 | OVS_ACTION_ATTR_USERSPACE, /* Nested OVS_USERSPACE_ATTR_*. */ | |
444 | OVS_ACTION_ATTR_SET, /* One nested OVS_KEY_ATTR_*. */ | |
445 | OVS_ACTION_ATTR_PUSH_VLAN, /* struct ovs_action_push_vlan. */ | |
446 | OVS_ACTION_ATTR_POP_VLAN, /* No argument. */ | |
447 | OVS_ACTION_ATTR_SAMPLE, /* Nested OVS_SAMPLE_ATTR_*. */ | |
448 | __OVS_ACTION_ATTR_MAX | |
449 | }; | |
450 | ||
451 | #define OVS_ACTION_ATTR_MAX (__OVS_ACTION_ATTR_MAX - 1) | |
452 | ||
453 | #endif /* _LINUX_OPENVSWITCH_H */ |