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e2be04c7 | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
22e3880a TG |
2 | |
3 | /* | |
9dd7f890 | 4 | * Copyright (c) 2007-2017 Nicira, Inc. |
22e3880a TG |
5 | * |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of version 2 of the GNU General Public | |
8 | * License as published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
18 | * 02110-1301, USA | |
19 | */ | |
20 | ||
21 | #ifndef _UAPI__LINUX_OPENVSWITCH_H | |
22 | #define _UAPI__LINUX_OPENVSWITCH_H 1 | |
23 | ||
24 | #include <linux/types.h> | |
25 | #include <linux/if_ether.h> | |
26 | ||
27 | /** | |
28 | * struct ovs_header - header for OVS Generic Netlink messages. | |
29 | * @dp_ifindex: ifindex of local port for datapath (0 to make a request not | |
30 | * specific to a datapath). | |
31 | * | |
32 | * Attributes following the header are specific to a particular OVS Generic | |
33 | * Netlink family, but all of the OVS families use this header. | |
34 | */ | |
35 | ||
36 | struct ovs_header { | |
37 | int dp_ifindex; | |
38 | }; | |
39 | ||
40 | /* Datapaths. */ | |
41 | ||
42 | #define OVS_DATAPATH_FAMILY "ovs_datapath" | |
43 | #define OVS_DATAPATH_MCGROUP "ovs_datapath" | |
44da5ae5 TG |
44 | |
45 | /* V2: | |
46 | * - API users are expected to provide OVS_DP_ATTR_USER_FEATURES | |
47 | * when creating the datapath. | |
48 | */ | |
49 | #define OVS_DATAPATH_VERSION 2 | |
50 | ||
51 | /* First OVS datapath version to support features */ | |
52 | #define OVS_DP_VER_FEATURES 2 | |
22e3880a TG |
53 | |
54 | enum ovs_datapath_cmd { | |
55 | OVS_DP_CMD_UNSPEC, | |
56 | OVS_DP_CMD_NEW, | |
57 | OVS_DP_CMD_DEL, | |
58 | OVS_DP_CMD_GET, | |
59 | OVS_DP_CMD_SET | |
60 | }; | |
61 | ||
62 | /** | |
63 | * enum ovs_datapath_attr - attributes for %OVS_DP_* commands. | |
64 | * @OVS_DP_ATTR_NAME: Name of the network device that serves as the "local | |
65 | * port". This is the name of the network device whose dp_ifindex is given in | |
66 | * the &struct ovs_header. Always present in notifications. Required in | |
67 | * %OVS_DP_NEW requests. May be used as an alternative to specifying | |
68 | * dp_ifindex in other requests (with a dp_ifindex of 0). | |
69 | * @OVS_DP_ATTR_UPCALL_PID: The Netlink socket in userspace that is initially | |
70 | * set on the datapath port (for OVS_ACTION_ATTR_MISS). Only valid on | |
71 | * %OVS_DP_CMD_NEW requests. A value of zero indicates that upcalls should | |
72 | * not be sent. | |
73 | * @OVS_DP_ATTR_STATS: Statistics about packets that have passed through the | |
74 | * datapath. Always present in notifications. | |
1bd7116f AZ |
75 | * @OVS_DP_ATTR_MEGAFLOW_STATS: Statistics about mega flow masks usage for the |
76 | * datapath. Always present in notifications. | |
22e3880a TG |
77 | * |
78 | * These attributes follow the &struct ovs_header within the Generic Netlink | |
79 | * payload for %OVS_DP_* commands. | |
80 | */ | |
81 | enum ovs_datapath_attr { | |
82 | OVS_DP_ATTR_UNSPEC, | |
1bd7116f AZ |
83 | OVS_DP_ATTR_NAME, /* name of dp_ifindex netdev */ |
84 | OVS_DP_ATTR_UPCALL_PID, /* Netlink PID to receive upcalls */ | |
85 | OVS_DP_ATTR_STATS, /* struct ovs_dp_stats */ | |
86 | OVS_DP_ATTR_MEGAFLOW_STATS, /* struct ovs_dp_megaflow_stats */ | |
43d4be9c | 87 | OVS_DP_ATTR_USER_FEATURES, /* OVS_DP_F_* */ |
66c7a5ee | 88 | OVS_DP_ATTR_PAD, |
22e3880a TG |
89 | __OVS_DP_ATTR_MAX |
90 | }; | |
91 | ||
92 | #define OVS_DP_ATTR_MAX (__OVS_DP_ATTR_MAX - 1) | |
93 | ||
94 | struct ovs_dp_stats { | |
95 | __u64 n_hit; /* Number of flow table matches. */ | |
96 | __u64 n_missed; /* Number of flow table misses. */ | |
97 | __u64 n_lost; /* Number of misses not sent to userspace. */ | |
98 | __u64 n_flows; /* Number of flows present */ | |
99 | }; | |
100 | ||
1bd7116f AZ |
101 | struct ovs_dp_megaflow_stats { |
102 | __u64 n_mask_hit; /* Number of masks used for flow lookups. */ | |
103 | __u32 n_masks; /* Number of masks for the datapath. */ | |
104 | __u32 pad0; /* Pad for future expension. */ | |
105 | __u64 pad1; /* Pad for future expension. */ | |
106 | __u64 pad2; /* Pad for future expension. */ | |
107 | }; | |
108 | ||
22e3880a TG |
109 | struct ovs_vport_stats { |
110 | __u64 rx_packets; /* total packets received */ | |
111 | __u64 tx_packets; /* total packets transmitted */ | |
112 | __u64 rx_bytes; /* total bytes received */ | |
113 | __u64 tx_bytes; /* total bytes transmitted */ | |
114 | __u64 rx_errors; /* bad packets received */ | |
115 | __u64 tx_errors; /* packet transmit problems */ | |
116 | __u64 rx_dropped; /* no space in linux buffers */ | |
117 | __u64 tx_dropped; /* no space available in linux */ | |
118 | }; | |
119 | ||
43d4be9c TG |
120 | /* Allow last Netlink attribute to be unaligned */ |
121 | #define OVS_DP_F_UNALIGNED (1 << 0) | |
122 | ||
5cd667b0 AW |
123 | /* Allow datapath to associate multiple Netlink PIDs to each vport */ |
124 | #define OVS_DP_F_VPORT_PIDS (1 << 1) | |
125 | ||
22e3880a TG |
126 | /* Fixed logical ports. */ |
127 | #define OVSP_LOCAL ((__u32)0) | |
128 | ||
129 | /* Packet transfer. */ | |
130 | ||
131 | #define OVS_PACKET_FAMILY "ovs_packet" | |
132 | #define OVS_PACKET_VERSION 0x1 | |
133 | ||
134 | enum ovs_packet_cmd { | |
135 | OVS_PACKET_CMD_UNSPEC, | |
136 | ||
137 | /* Kernel-to-user notifications. */ | |
138 | OVS_PACKET_CMD_MISS, /* Flow table miss. */ | |
139 | OVS_PACKET_CMD_ACTION, /* OVS_ACTION_ATTR_USERSPACE action. */ | |
140 | ||
141 | /* Userspace commands. */ | |
142 | OVS_PACKET_CMD_EXECUTE /* Apply actions to a packet. */ | |
143 | }; | |
144 | ||
145 | /** | |
146 | * enum ovs_packet_attr - attributes for %OVS_PACKET_* commands. | |
147 | * @OVS_PACKET_ATTR_PACKET: Present for all notifications. Contains the entire | |
148 | * packet as received, from the start of the Ethernet header onward. For | |
149 | * %OVS_PACKET_CMD_ACTION, %OVS_PACKET_ATTR_PACKET reflects changes made by | |
150 | * actions preceding %OVS_ACTION_ATTR_USERSPACE, but %OVS_PACKET_ATTR_KEY is | |
151 | * the flow key extracted from the packet as originally received. | |
152 | * @OVS_PACKET_ATTR_KEY: Present for all notifications. Contains the flow key | |
153 | * extracted from the packet as nested %OVS_KEY_ATTR_* attributes. This allows | |
154 | * userspace to adapt its flow setup strategy by comparing its notion of the | |
155 | * flow key against the kernel's. | |
156 | * @OVS_PACKET_ATTR_ACTIONS: Contains actions for the packet. Used | |
157 | * for %OVS_PACKET_CMD_EXECUTE. It has nested %OVS_ACTION_ATTR_* attributes. | |
ccea7445 NM |
158 | * Also used in upcall when %OVS_ACTION_ATTR_USERSPACE has optional |
159 | * %OVS_USERSPACE_ATTR_ACTIONS attribute. | |
22e3880a TG |
160 | * @OVS_PACKET_ATTR_USERDATA: Present for an %OVS_PACKET_CMD_ACTION |
161 | * notification if the %OVS_ACTION_ATTR_USERSPACE action specified an | |
162 | * %OVS_USERSPACE_ATTR_USERDATA attribute, with the same length and content | |
163 | * specified there. | |
8f0aad6f WZ |
164 | * @OVS_PACKET_ATTR_EGRESS_TUN_KEY: Present for an %OVS_PACKET_CMD_ACTION |
165 | * notification if the %OVS_ACTION_ATTR_USERSPACE action specified an | |
166 | * %OVS_USERSPACE_ATTR_EGRESS_TUN_PORT attribute, which is sent only if the | |
167 | * output port is actually a tunnel port. Contains the output tunnel key | |
168 | * extracted from the packet as nested %OVS_TUNNEL_KEY_ATTR_* attributes. | |
7f8a436e | 169 | * @OVS_PACKET_ATTR_MRU: Present for an %OVS_PACKET_CMD_ACTION and |
b95e5928 | 170 | * @OVS_PACKET_ATTR_LEN: Packet size before truncation. |
7f8a436e JS |
171 | * %OVS_PACKET_ATTR_USERSPACE action specify the Maximum received fragment |
172 | * size. | |
22e3880a TG |
173 | * |
174 | * These attributes follow the &struct ovs_header within the Generic Netlink | |
175 | * payload for %OVS_PACKET_* commands. | |
176 | */ | |
177 | enum ovs_packet_attr { | |
178 | OVS_PACKET_ATTR_UNSPEC, | |
179 | OVS_PACKET_ATTR_PACKET, /* Packet data. */ | |
180 | OVS_PACKET_ATTR_KEY, /* Nested OVS_KEY_ATTR_* attributes. */ | |
181 | OVS_PACKET_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */ | |
182 | OVS_PACKET_ATTR_USERDATA, /* OVS_ACTION_ATTR_USERSPACE arg. */ | |
8f0aad6f WZ |
183 | OVS_PACKET_ATTR_EGRESS_TUN_KEY, /* Nested OVS_TUNNEL_KEY_ATTR_* |
184 | attributes. */ | |
1ba39804 TG |
185 | OVS_PACKET_ATTR_UNUSED1, |
186 | OVS_PACKET_ATTR_UNUSED2, | |
187 | OVS_PACKET_ATTR_PROBE, /* Packet operation is a feature probe, | |
188 | error logging should be suppressed. */ | |
7f8a436e | 189 | OVS_PACKET_ATTR_MRU, /* Maximum received IP fragment size. */ |
b95e5928 | 190 | OVS_PACKET_ATTR_LEN, /* Packet size before truncation. */ |
22e3880a TG |
191 | __OVS_PACKET_ATTR_MAX |
192 | }; | |
193 | ||
194 | #define OVS_PACKET_ATTR_MAX (__OVS_PACKET_ATTR_MAX - 1) | |
195 | ||
196 | /* Virtual ports. */ | |
197 | ||
198 | #define OVS_VPORT_FAMILY "ovs_vport" | |
199 | #define OVS_VPORT_MCGROUP "ovs_vport" | |
200 | #define OVS_VPORT_VERSION 0x1 | |
201 | ||
202 | enum ovs_vport_cmd { | |
203 | OVS_VPORT_CMD_UNSPEC, | |
204 | OVS_VPORT_CMD_NEW, | |
205 | OVS_VPORT_CMD_DEL, | |
206 | OVS_VPORT_CMD_GET, | |
207 | OVS_VPORT_CMD_SET | |
208 | }; | |
209 | ||
210 | enum ovs_vport_type { | |
211 | OVS_VPORT_TYPE_UNSPEC, | |
212 | OVS_VPORT_TYPE_NETDEV, /* network device */ | |
213 | OVS_VPORT_TYPE_INTERNAL, /* network device implemented by datapath */ | |
aa310701 | 214 | OVS_VPORT_TYPE_GRE, /* GRE tunnel. */ |
58264848 | 215 | OVS_VPORT_TYPE_VXLAN, /* VXLAN tunnel. */ |
f5796684 | 216 | OVS_VPORT_TYPE_GENEVE, /* Geneve tunnel. */ |
22e3880a TG |
217 | __OVS_VPORT_TYPE_MAX |
218 | }; | |
219 | ||
220 | #define OVS_VPORT_TYPE_MAX (__OVS_VPORT_TYPE_MAX - 1) | |
221 | ||
222 | /** | |
223 | * enum ovs_vport_attr - attributes for %OVS_VPORT_* commands. | |
224 | * @OVS_VPORT_ATTR_PORT_NO: 32-bit port number within datapath. | |
225 | * @OVS_VPORT_ATTR_TYPE: 32-bit %OVS_VPORT_TYPE_* constant describing the type | |
226 | * of vport. | |
227 | * @OVS_VPORT_ATTR_NAME: Name of vport. For a vport based on a network device | |
228 | * this is the name of the network device. Maximum length %IFNAMSIZ-1 bytes | |
229 | * plus a null terminator. | |
230 | * @OVS_VPORT_ATTR_OPTIONS: Vport-specific configuration information. | |
5cd667b0 AW |
231 | * @OVS_VPORT_ATTR_UPCALL_PID: The array of Netlink socket pids in userspace |
232 | * among which OVS_PACKET_CMD_MISS upcalls will be distributed for packets | |
233 | * received on this port. If this is a single-element array of value 0, | |
234 | * upcalls should not be sent. | |
22e3880a TG |
235 | * @OVS_VPORT_ATTR_STATS: A &struct ovs_vport_stats giving statistics for |
236 | * packets sent or received through the vport. | |
237 | * | |
238 | * These attributes follow the &struct ovs_header within the Generic Netlink | |
239 | * payload for %OVS_VPORT_* commands. | |
240 | * | |
241 | * For %OVS_VPORT_CMD_NEW requests, the %OVS_VPORT_ATTR_TYPE and | |
242 | * %OVS_VPORT_ATTR_NAME attributes are required. %OVS_VPORT_ATTR_PORT_NO is | |
243 | * optional; if not specified a free port number is automatically selected. | |
244 | * Whether %OVS_VPORT_ATTR_OPTIONS is required or optional depends on the type | |
245 | * of vport. | |
22e3880a TG |
246 | * |
247 | * For other requests, if %OVS_VPORT_ATTR_NAME is specified then it is used to | |
248 | * look up the vport to operate on; otherwise dp_idx from the &struct | |
249 | * ovs_header plus %OVS_VPORT_ATTR_PORT_NO determine the vport. | |
250 | */ | |
251 | enum ovs_vport_attr { | |
252 | OVS_VPORT_ATTR_UNSPEC, | |
253 | OVS_VPORT_ATTR_PORT_NO, /* u32 port number within datapath */ | |
254 | OVS_VPORT_ATTR_TYPE, /* u32 OVS_VPORT_TYPE_* constant. */ | |
255 | OVS_VPORT_ATTR_NAME, /* string name, up to IFNAMSIZ bytes long */ | |
256 | OVS_VPORT_ATTR_OPTIONS, /* nested attributes, varies by vport type */ | |
5cd667b0 AW |
257 | OVS_VPORT_ATTR_UPCALL_PID, /* array of u32 Netlink socket PIDs for */ |
258 | /* receiving upcalls */ | |
22e3880a | 259 | OVS_VPORT_ATTR_STATS, /* struct ovs_vport_stats */ |
66c7a5ee | 260 | OVS_VPORT_ATTR_PAD, |
22e3880a TG |
261 | __OVS_VPORT_ATTR_MAX |
262 | }; | |
263 | ||
264 | #define OVS_VPORT_ATTR_MAX (__OVS_VPORT_ATTR_MAX - 1) | |
265 | ||
1dd144cf TG |
266 | enum { |
267 | OVS_VXLAN_EXT_UNSPEC, | |
268 | OVS_VXLAN_EXT_GBP, /* Flag or __u32 */ | |
269 | __OVS_VXLAN_EXT_MAX, | |
270 | }; | |
271 | ||
272 | #define OVS_VXLAN_EXT_MAX (__OVS_VXLAN_EXT_MAX - 1) | |
273 | ||
274 | ||
58264848 PS |
275 | /* OVS_VPORT_ATTR_OPTIONS attributes for tunnels. |
276 | */ | |
277 | enum { | |
278 | OVS_TUNNEL_ATTR_UNSPEC, | |
279 | OVS_TUNNEL_ATTR_DST_PORT, /* 16-bit UDP port, used by L4 tunnels. */ | |
1dd144cf | 280 | OVS_TUNNEL_ATTR_EXTENSION, |
58264848 PS |
281 | __OVS_TUNNEL_ATTR_MAX |
282 | }; | |
283 | ||
284 | #define OVS_TUNNEL_ATTR_MAX (__OVS_TUNNEL_ATTR_MAX - 1) | |
285 | ||
22e3880a TG |
286 | /* Flows. */ |
287 | ||
288 | #define OVS_FLOW_FAMILY "ovs_flow" | |
289 | #define OVS_FLOW_MCGROUP "ovs_flow" | |
290 | #define OVS_FLOW_VERSION 0x1 | |
291 | ||
292 | enum ovs_flow_cmd { | |
293 | OVS_FLOW_CMD_UNSPEC, | |
294 | OVS_FLOW_CMD_NEW, | |
295 | OVS_FLOW_CMD_DEL, | |
296 | OVS_FLOW_CMD_GET, | |
297 | OVS_FLOW_CMD_SET | |
298 | }; | |
299 | ||
300 | struct ovs_flow_stats { | |
301 | __u64 n_packets; /* Number of matched packets. */ | |
302 | __u64 n_bytes; /* Number of matched bytes. */ | |
303 | }; | |
304 | ||
305 | enum ovs_key_attr { | |
306 | OVS_KEY_ATTR_UNSPEC, | |
307 | OVS_KEY_ATTR_ENCAP, /* Nested set of encapsulated attributes. */ | |
308 | OVS_KEY_ATTR_PRIORITY, /* u32 skb->priority */ | |
309 | OVS_KEY_ATTR_IN_PORT, /* u32 OVS dp port number */ | |
310 | OVS_KEY_ATTR_ETHERNET, /* struct ovs_key_ethernet */ | |
311 | OVS_KEY_ATTR_VLAN, /* be16 VLAN TCI */ | |
312 | OVS_KEY_ATTR_ETHERTYPE, /* be16 Ethernet type */ | |
313 | OVS_KEY_ATTR_IPV4, /* struct ovs_key_ipv4 */ | |
314 | OVS_KEY_ATTR_IPV6, /* struct ovs_key_ipv6 */ | |
315 | OVS_KEY_ATTR_TCP, /* struct ovs_key_tcp */ | |
316 | OVS_KEY_ATTR_UDP, /* struct ovs_key_udp */ | |
317 | OVS_KEY_ATTR_ICMP, /* struct ovs_key_icmp */ | |
318 | OVS_KEY_ATTR_ICMPV6, /* struct ovs_key_icmpv6 */ | |
319 | OVS_KEY_ATTR_ARP, /* struct ovs_key_arp */ | |
320 | OVS_KEY_ATTR_ND, /* struct ovs_key_nd */ | |
321 | OVS_KEY_ATTR_SKB_MARK, /* u32 skb mark */ | |
7d5437c7 | 322 | OVS_KEY_ATTR_TUNNEL, /* Nested set of ovs_tunnel attributes */ |
a175a723 | 323 | OVS_KEY_ATTR_SCTP, /* struct ovs_key_sctp */ |
5eb26b15 | 324 | OVS_KEY_ATTR_TCP_FLAGS, /* be16 TCP flags. */ |
971427f3 AZ |
325 | OVS_KEY_ATTR_DP_HASH, /* u32 hash value. Value 0 indicates the hash |
326 | is not computed by the datapath. */ | |
327 | OVS_KEY_ATTR_RECIRC_ID, /* u32 recirc id */ | |
25cd9ba0 SH |
328 | OVS_KEY_ATTR_MPLS, /* array of struct ovs_key_mpls. |
329 | * The implementation may restrict | |
330 | * the accepted length of the array. */ | |
fbccce59 | 331 | OVS_KEY_ATTR_CT_STATE, /* u32 bitmask of OVS_CS_F_* */ |
7f8a436e | 332 | OVS_KEY_ATTR_CT_ZONE, /* u16 connection tracking zone. */ |
182e3042 | 333 | OVS_KEY_ATTR_CT_MARK, /* u32 connection tracking mark */ |
33db4125 | 334 | OVS_KEY_ATTR_CT_LABELS, /* 16-octet connection tracking label */ |
9dd7f890 JR |
335 | OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4, /* struct ovs_key_ct_tuple_ipv4 */ |
336 | OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6, /* struct ovs_key_ct_tuple_ipv6 */ | |
7d5437c7 PS |
337 | |
338 | #ifdef __KERNEL__ | |
1d8fff90 | 339 | OVS_KEY_ATTR_TUNNEL_INFO, /* struct ip_tunnel_info */ |
7d5437c7 | 340 | #endif |
22e3880a TG |
341 | __OVS_KEY_ATTR_MAX |
342 | }; | |
343 | ||
344 | #define OVS_KEY_ATTR_MAX (__OVS_KEY_ATTR_MAX - 1) | |
345 | ||
7d5437c7 | 346 | enum ovs_tunnel_key_attr { |
daa6630a | 347 | /* OVS_TUNNEL_KEY_ATTR_NONE, standard nl API requires this attribute! */ |
7d5437c7 PS |
348 | OVS_TUNNEL_KEY_ATTR_ID, /* be64 Tunnel ID */ |
349 | OVS_TUNNEL_KEY_ATTR_IPV4_SRC, /* be32 src IP address. */ | |
350 | OVS_TUNNEL_KEY_ATTR_IPV4_DST, /* be32 dst IP address. */ | |
351 | OVS_TUNNEL_KEY_ATTR_TOS, /* u8 Tunnel IP ToS. */ | |
352 | OVS_TUNNEL_KEY_ATTR_TTL, /* u8 Tunnel IP TTL. */ | |
353 | OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT, /* No argument, set DF. */ | |
354 | OVS_TUNNEL_KEY_ATTR_CSUM, /* No argument. CSUM packet. */ | |
67fa0341 | 355 | OVS_TUNNEL_KEY_ATTR_OAM, /* No argument. OAM frame. */ |
f5796684 | 356 | OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS, /* Array of Geneve options. */ |
8f0aad6f WZ |
357 | OVS_TUNNEL_KEY_ATTR_TP_SRC, /* be16 src Transport Port. */ |
358 | OVS_TUNNEL_KEY_ATTR_TP_DST, /* be16 dst Transport Port. */ | |
1dd144cf | 359 | OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS, /* Nested OVS_VXLAN_EXT_* */ |
6b26ba3a JB |
360 | OVS_TUNNEL_KEY_ATTR_IPV6_SRC, /* struct in6_addr src IPv6 address. */ |
361 | OVS_TUNNEL_KEY_ATTR_IPV6_DST, /* struct in6_addr dst IPv6 address. */ | |
b46f6ded | 362 | OVS_TUNNEL_KEY_ATTR_PAD, |
7d5437c7 PS |
363 | __OVS_TUNNEL_KEY_ATTR_MAX |
364 | }; | |
365 | ||
366 | #define OVS_TUNNEL_KEY_ATTR_MAX (__OVS_TUNNEL_KEY_ATTR_MAX - 1) | |
367 | ||
22e3880a TG |
368 | /** |
369 | * enum ovs_frag_type - IPv4 and IPv6 fragment type | |
370 | * @OVS_FRAG_TYPE_NONE: Packet is not a fragment. | |
371 | * @OVS_FRAG_TYPE_FIRST: Packet is a fragment with offset 0. | |
372 | * @OVS_FRAG_TYPE_LATER: Packet is a fragment with nonzero offset. | |
373 | * | |
374 | * Used as the @ipv4_frag in &struct ovs_key_ipv4 and as @ipv6_frag &struct | |
375 | * ovs_key_ipv6. | |
376 | */ | |
377 | enum ovs_frag_type { | |
378 | OVS_FRAG_TYPE_NONE, | |
379 | OVS_FRAG_TYPE_FIRST, | |
380 | OVS_FRAG_TYPE_LATER, | |
381 | __OVS_FRAG_TYPE_MAX | |
382 | }; | |
383 | ||
384 | #define OVS_FRAG_TYPE_MAX (__OVS_FRAG_TYPE_MAX - 1) | |
385 | ||
386 | struct ovs_key_ethernet { | |
387 | __u8 eth_src[ETH_ALEN]; | |
388 | __u8 eth_dst[ETH_ALEN]; | |
389 | }; | |
390 | ||
25cd9ba0 SH |
391 | struct ovs_key_mpls { |
392 | __be32 mpls_lse; | |
393 | }; | |
394 | ||
22e3880a TG |
395 | struct ovs_key_ipv4 { |
396 | __be32 ipv4_src; | |
397 | __be32 ipv4_dst; | |
398 | __u8 ipv4_proto; | |
399 | __u8 ipv4_tos; | |
400 | __u8 ipv4_ttl; | |
401 | __u8 ipv4_frag; /* One of OVS_FRAG_TYPE_*. */ | |
402 | }; | |
403 | ||
404 | struct ovs_key_ipv6 { | |
405 | __be32 ipv6_src[4]; | |
406 | __be32 ipv6_dst[4]; | |
407 | __be32 ipv6_label; /* 20-bits in least-significant bits. */ | |
408 | __u8 ipv6_proto; | |
409 | __u8 ipv6_tclass; | |
410 | __u8 ipv6_hlimit; | |
411 | __u8 ipv6_frag; /* One of OVS_FRAG_TYPE_*. */ | |
412 | }; | |
413 | ||
414 | struct ovs_key_tcp { | |
415 | __be16 tcp_src; | |
416 | __be16 tcp_dst; | |
417 | }; | |
418 | ||
419 | struct ovs_key_udp { | |
420 | __be16 udp_src; | |
421 | __be16 udp_dst; | |
422 | }; | |
423 | ||
a175a723 JS |
424 | struct ovs_key_sctp { |
425 | __be16 sctp_src; | |
426 | __be16 sctp_dst; | |
427 | }; | |
428 | ||
22e3880a TG |
429 | struct ovs_key_icmp { |
430 | __u8 icmp_type; | |
431 | __u8 icmp_code; | |
432 | }; | |
433 | ||
434 | struct ovs_key_icmpv6 { | |
435 | __u8 icmpv6_type; | |
436 | __u8 icmpv6_code; | |
437 | }; | |
438 | ||
439 | struct ovs_key_arp { | |
440 | __be32 arp_sip; | |
441 | __be32 arp_tip; | |
442 | __be16 arp_op; | |
443 | __u8 arp_sha[ETH_ALEN]; | |
444 | __u8 arp_tha[ETH_ALEN]; | |
445 | }; | |
446 | ||
447 | struct ovs_key_nd { | |
1a4e96a0 JR |
448 | __be32 nd_target[4]; |
449 | __u8 nd_sll[ETH_ALEN]; | |
450 | __u8 nd_tll[ETH_ALEN]; | |
22e3880a TG |
451 | }; |
452 | ||
cb80d58f JR |
453 | #define OVS_CT_LABELS_LEN_32 4 |
454 | #define OVS_CT_LABELS_LEN (OVS_CT_LABELS_LEN_32 * sizeof(__u32)) | |
33db4125 | 455 | struct ovs_key_ct_labels { |
cb80d58f JR |
456 | union { |
457 | __u8 ct_labels[OVS_CT_LABELS_LEN]; | |
458 | __u32 ct_labels_32[OVS_CT_LABELS_LEN_32]; | |
459 | }; | |
c2ac6673 JS |
460 | }; |
461 | ||
7f8a436e JS |
462 | /* OVS_KEY_ATTR_CT_STATE flags */ |
463 | #define OVS_CS_F_NEW 0x01 /* Beginning of a new connection. */ | |
464 | #define OVS_CS_F_ESTABLISHED 0x02 /* Part of an existing connection. */ | |
465 | #define OVS_CS_F_RELATED 0x04 /* Related to an established | |
466 | * connection. */ | |
fbccce59 JS |
467 | #define OVS_CS_F_REPLY_DIR 0x08 /* Flow is in the reply direction. */ |
468 | #define OVS_CS_F_INVALID 0x10 /* Could not track connection. */ | |
469 | #define OVS_CS_F_TRACKED 0x20 /* Conntrack has occurred. */ | |
05752523 JR |
470 | #define OVS_CS_F_SRC_NAT 0x40 /* Packet's source address/port was |
471 | * mangled by NAT. | |
472 | */ | |
473 | #define OVS_CS_F_DST_NAT 0x80 /* Packet's destination address/port | |
474 | * was mangled by NAT. | |
475 | */ | |
476 | ||
477 | #define OVS_CS_F_NAT_MASK (OVS_CS_F_SRC_NAT | OVS_CS_F_DST_NAT) | |
7f8a436e | 478 | |
9dd7f890 JR |
479 | struct ovs_key_ct_tuple_ipv4 { |
480 | __be32 ipv4_src; | |
481 | __be32 ipv4_dst; | |
482 | __be16 src_port; | |
483 | __be16 dst_port; | |
484 | __u8 ipv4_proto; | |
485 | }; | |
486 | ||
487 | struct ovs_key_ct_tuple_ipv6 { | |
488 | __be32 ipv6_src[4]; | |
489 | __be32 ipv6_dst[4]; | |
490 | __be16 src_port; | |
491 | __be16 dst_port; | |
492 | __u8 ipv6_proto; | |
493 | }; | |
494 | ||
22e3880a TG |
495 | /** |
496 | * enum ovs_flow_attr - attributes for %OVS_FLOW_* commands. | |
497 | * @OVS_FLOW_ATTR_KEY: Nested %OVS_KEY_ATTR_* attributes specifying the flow | |
498 | * key. Always present in notifications. Required for all requests (except | |
499 | * dumps). | |
500 | * @OVS_FLOW_ATTR_ACTIONS: Nested %OVS_ACTION_ATTR_* attributes specifying | |
501 | * the actions to take for packets that match the key. Always present in | |
502 | * notifications. Required for %OVS_FLOW_CMD_NEW requests, optional for | |
be52c9e9 JR |
503 | * %OVS_FLOW_CMD_SET requests. An %OVS_FLOW_CMD_SET without |
504 | * %OVS_FLOW_ATTR_ACTIONS will not modify the actions. To clear the actions, | |
505 | * an %OVS_FLOW_ATTR_ACTIONS without any nested attributes must be given. | |
22e3880a TG |
506 | * @OVS_FLOW_ATTR_STATS: &struct ovs_flow_stats giving statistics for this |
507 | * flow. Present in notifications if the stats would be nonzero. Ignored in | |
508 | * requests. | |
509 | * @OVS_FLOW_ATTR_TCP_FLAGS: An 8-bit value giving the OR'd value of all of the | |
510 | * TCP flags seen on packets in this flow. Only present in notifications for | |
511 | * TCP flows, and only if it would be nonzero. Ignored in requests. | |
512 | * @OVS_FLOW_ATTR_USED: A 64-bit integer giving the time, in milliseconds on | |
513 | * the system monotonic clock, at which a packet was last processed for this | |
514 | * flow. Only present in notifications if a packet has been processed for this | |
515 | * flow. Ignored in requests. | |
516 | * @OVS_FLOW_ATTR_CLEAR: If present in a %OVS_FLOW_CMD_SET request, clears the | |
517 | * last-used time, accumulated TCP flags, and statistics for this flow. | |
518 | * Otherwise ignored in requests. Never present in notifications. | |
03f0d916 AZ |
519 | * @OVS_FLOW_ATTR_MASK: Nested %OVS_KEY_ATTR_* attributes specifying the |
520 | * mask bits for wildcarded flow match. Mask bit value '1' specifies exact | |
521 | * match with corresponding flow key bit, while mask bit value '0' specifies | |
522 | * a wildcarded match. Omitting attribute is treated as wildcarding all | |
523 | * corresponding fields. Optional for all requests. If not present, | |
524 | * all flow key bits are exact match bits. | |
74ed7ab9 JS |
525 | * @OVS_FLOW_ATTR_UFID: A value between 1-16 octets specifying a unique |
526 | * identifier for the flow. Causes the flow to be indexed by this value rather | |
527 | * than the value of the %OVS_FLOW_ATTR_KEY attribute. Optional for all | |
528 | * requests. Present in notifications if the flow was created with this | |
529 | * attribute. | |
530 | * @OVS_FLOW_ATTR_UFID_FLAGS: A 32-bit value of OR'd %OVS_UFID_F_* | |
531 | * flags that provide alternative semantics for flow installation and | |
532 | * retrieval. Optional for all requests. | |
22e3880a TG |
533 | * |
534 | * These attributes follow the &struct ovs_header within the Generic Netlink | |
535 | * payload for %OVS_FLOW_* commands. | |
536 | */ | |
537 | enum ovs_flow_attr { | |
538 | OVS_FLOW_ATTR_UNSPEC, | |
539 | OVS_FLOW_ATTR_KEY, /* Sequence of OVS_KEY_ATTR_* attributes. */ | |
540 | OVS_FLOW_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */ | |
541 | OVS_FLOW_ATTR_STATS, /* struct ovs_flow_stats. */ | |
542 | OVS_FLOW_ATTR_TCP_FLAGS, /* 8-bit OR'd TCP flags. */ | |
543 | OVS_FLOW_ATTR_USED, /* u64 msecs last used in monotonic time. */ | |
544 | OVS_FLOW_ATTR_CLEAR, /* Flag to clear stats, tcp_flags, used. */ | |
03f0d916 | 545 | OVS_FLOW_ATTR_MASK, /* Sequence of OVS_KEY_ATTR_* attributes. */ |
05da5898 JR |
546 | OVS_FLOW_ATTR_PROBE, /* Flow operation is a feature probe, error |
547 | * logging should be suppressed. */ | |
74ed7ab9 JS |
548 | OVS_FLOW_ATTR_UFID, /* Variable length unique flow identifier. */ |
549 | OVS_FLOW_ATTR_UFID_FLAGS,/* u32 of OVS_UFID_F_*. */ | |
0238b720 | 550 | OVS_FLOW_ATTR_PAD, |
22e3880a TG |
551 | __OVS_FLOW_ATTR_MAX |
552 | }; | |
553 | ||
554 | #define OVS_FLOW_ATTR_MAX (__OVS_FLOW_ATTR_MAX - 1) | |
555 | ||
74ed7ab9 JS |
556 | /** |
557 | * Omit attributes for notifications. | |
558 | * | |
559 | * If a datapath request contains an %OVS_UFID_F_OMIT_* flag, then the datapath | |
560 | * may omit the corresponding %OVS_FLOW_ATTR_* from the response. | |
561 | */ | |
562 | #define OVS_UFID_F_OMIT_KEY (1 << 0) | |
563 | #define OVS_UFID_F_OMIT_MASK (1 << 1) | |
564 | #define OVS_UFID_F_OMIT_ACTIONS (1 << 2) | |
565 | ||
22e3880a TG |
566 | /** |
567 | * enum ovs_sample_attr - Attributes for %OVS_ACTION_ATTR_SAMPLE action. | |
568 | * @OVS_SAMPLE_ATTR_PROBABILITY: 32-bit fraction of packets to sample with | |
569 | * @OVS_ACTION_ATTR_SAMPLE. A value of 0 samples no packets, a value of | |
570 | * %UINT32_MAX samples all packets and intermediate values sample intermediate | |
571 | * fractions of packets. | |
572 | * @OVS_SAMPLE_ATTR_ACTIONS: Set of actions to execute in sampling event. | |
573 | * Actions are passed as nested attributes. | |
574 | * | |
575 | * Executes the specified actions with the given probability on a per-packet | |
576 | * basis. | |
577 | */ | |
578 | enum ovs_sample_attr { | |
579 | OVS_SAMPLE_ATTR_UNSPEC, | |
580 | OVS_SAMPLE_ATTR_PROBABILITY, /* u32 number */ | |
581 | OVS_SAMPLE_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */ | |
582 | __OVS_SAMPLE_ATTR_MAX, | |
798c1661 | 583 | |
584 | #ifdef __KERNEL__ | |
585 | OVS_SAMPLE_ATTR_ARG /* struct sample_arg */ | |
586 | #endif | |
22e3880a TG |
587 | }; |
588 | ||
589 | #define OVS_SAMPLE_ATTR_MAX (__OVS_SAMPLE_ATTR_MAX - 1) | |
590 | ||
798c1661 | 591 | #ifdef __KERNEL__ |
592 | struct sample_arg { | |
593 | bool exec; /* When true, actions in sample will not | |
594 | * change flow keys. False otherwise. | |
595 | */ | |
596 | u32 probability; /* Same value as | |
597 | * 'OVS_SAMPLE_ATTR_PROBABILITY'. | |
598 | */ | |
599 | }; | |
600 | #endif | |
601 | ||
22e3880a TG |
602 | /** |
603 | * enum ovs_userspace_attr - Attributes for %OVS_ACTION_ATTR_USERSPACE action. | |
604 | * @OVS_USERSPACE_ATTR_PID: u32 Netlink PID to which the %OVS_PACKET_CMD_ACTION | |
605 | * message should be sent. Required. | |
606 | * @OVS_USERSPACE_ATTR_USERDATA: If present, its variable-length argument is | |
607 | * copied to the %OVS_PACKET_CMD_ACTION message as %OVS_PACKET_ATTR_USERDATA. | |
8f0aad6f WZ |
608 | * @OVS_USERSPACE_ATTR_EGRESS_TUN_PORT: If present, u32 output port to get |
609 | * tunnel info. | |
ccea7445 | 610 | * @OVS_USERSPACE_ATTR_ACTIONS: If present, send actions with upcall. |
22e3880a TG |
611 | */ |
612 | enum ovs_userspace_attr { | |
613 | OVS_USERSPACE_ATTR_UNSPEC, | |
614 | OVS_USERSPACE_ATTR_PID, /* u32 Netlink PID to receive upcalls. */ | |
615 | OVS_USERSPACE_ATTR_USERDATA, /* Optional user-specified cookie. */ | |
8f0aad6f WZ |
616 | OVS_USERSPACE_ATTR_EGRESS_TUN_PORT, /* Optional, u32 output port |
617 | * to get tunnel info. */ | |
ccea7445 | 618 | OVS_USERSPACE_ATTR_ACTIONS, /* Optional flag to get actions. */ |
22e3880a TG |
619 | __OVS_USERSPACE_ATTR_MAX |
620 | }; | |
621 | ||
622 | #define OVS_USERSPACE_ATTR_MAX (__OVS_USERSPACE_ATTR_MAX - 1) | |
623 | ||
f2a4d086 | 624 | struct ovs_action_trunc { |
a1d1f65f | 625 | __u32 max_len; /* Max packet size in bytes. */ |
f2a4d086 WT |
626 | }; |
627 | ||
25cd9ba0 SH |
628 | /** |
629 | * struct ovs_action_push_mpls - %OVS_ACTION_ATTR_PUSH_MPLS action argument. | |
630 | * @mpls_lse: MPLS label stack entry to push. | |
631 | * @mpls_ethertype: Ethertype to set in the encapsulating ethernet frame. | |
632 | * | |
633 | * The only values @mpls_ethertype should ever be given are %ETH_P_MPLS_UC and | |
634 | * %ETH_P_MPLS_MC, indicating MPLS unicast or multicast. Other are rejected. | |
635 | */ | |
636 | struct ovs_action_push_mpls { | |
637 | __be32 mpls_lse; | |
638 | __be16 mpls_ethertype; /* Either %ETH_P_MPLS_UC or %ETH_P_MPLS_MC */ | |
639 | }; | |
640 | ||
22e3880a TG |
641 | /** |
642 | * struct ovs_action_push_vlan - %OVS_ACTION_ATTR_PUSH_VLAN action argument. | |
643 | * @vlan_tpid: Tag protocol identifier (TPID) to push. | |
644 | * @vlan_tci: Tag control identifier (TCI) to push. The CFI bit must be set | |
645 | * (but it will not be set in the 802.1Q header that is pushed). | |
646 | * | |
8c146bb9 TH |
647 | * The @vlan_tpid value is typically %ETH_P_8021Q or %ETH_P_8021AD. |
648 | * The only acceptable TPID values are those that the kernel module also parses | |
649 | * as 802.1Q or 802.1AD headers, to prevent %OVS_ACTION_ATTR_PUSH_VLAN followed | |
650 | * by %OVS_ACTION_ATTR_POP_VLAN from having surprising results. | |
22e3880a TG |
651 | */ |
652 | struct ovs_action_push_vlan { | |
8c146bb9 | 653 | __be16 vlan_tpid; /* 802.1Q or 802.1ad TPID. */ |
22e3880a TG |
654 | __be16 vlan_tci; /* 802.1Q TCI (VLAN ID and priority). */ |
655 | }; | |
656 | ||
971427f3 AZ |
657 | /* Data path hash algorithm for computing Datapath hash. |
658 | * | |
659 | * The algorithm type only specifies the fields in a flow | |
660 | * will be used as part of the hash. Each datapath is free | |
661 | * to use its own hash algorithm. The hash value will be | |
662 | * opaque to the user space daemon. | |
663 | */ | |
664 | enum ovs_hash_alg { | |
665 | OVS_HASH_ALG_L4, | |
666 | }; | |
667 | ||
668 | /* | |
669 | * struct ovs_action_hash - %OVS_ACTION_ATTR_HASH action argument. | |
670 | * @hash_alg: Algorithm used to compute hash prior to recirculation. | |
671 | * @hash_basis: basis used for computing hash. | |
672 | */ | |
673 | struct ovs_action_hash { | |
e6571aa5 MR |
674 | __u32 hash_alg; /* One of ovs_hash_alg. */ |
675 | __u32 hash_basis; | |
971427f3 AZ |
676 | }; |
677 | ||
7f8a436e JS |
678 | /** |
679 | * enum ovs_ct_attr - Attributes for %OVS_ACTION_ATTR_CT action. | |
ab38a7b5 JS |
680 | * @OVS_CT_ATTR_COMMIT: If present, commits the connection to the conntrack |
681 | * table. This allows future packets for the same connection to be identified | |
1d008a1d JS |
682 | * as 'established' or 'related'. The flow key for the current packet will |
683 | * retain the pre-commit connection state. | |
7f8a436e | 684 | * @OVS_CT_ATTR_ZONE: u16 connection tracking zone. |
182e3042 JS |
685 | * @OVS_CT_ATTR_MARK: u32 value followed by u32 mask. For each bit set in the |
686 | * mask, the corresponding bit in the value is copied to the connection | |
687 | * tracking mark field in the connection. | |
e5f5d747 | 688 | * @OVS_CT_ATTR_LABELS: %OVS_CT_LABELS_LEN value followed by %OVS_CT_LABELS_LEN |
c2ac6673 JS |
689 | * mask. For each bit set in the mask, the corresponding bit in the value is |
690 | * copied to the connection tracking label field in the connection. | |
cae3a262 | 691 | * @OVS_CT_ATTR_HELPER: variable length string defining conntrack ALG. |
05752523 JR |
692 | * @OVS_CT_ATTR_NAT: Nested OVS_NAT_ATTR_* for performing L3 network address |
693 | * translation (NAT) on the packet. | |
dd41d33f JR |
694 | * @OVS_CT_ATTR_FORCE_COMMIT: Like %OVS_CT_ATTR_COMMIT, but instead of doing |
695 | * nothing if the connection is already committed will check that the current | |
696 | * packet is in conntrack entry's original direction. If directionality does | |
697 | * not match, will delete the existing conntrack entry and commit a new one. | |
12064551 JR |
698 | * @OVS_CT_ATTR_EVENTMASK: Mask of bits indicating which conntrack event types |
699 | * (enum ip_conntrack_events IPCT_*) should be reported. For any bit set to | |
700 | * zero, the corresponding event type is not generated. Default behavior | |
701 | * depends on system configuration, but typically all event types are | |
702 | * generated, hence listening on NFNLGRP_CONNTRACK_UPDATE events may get a lot | |
703 | * of events. Explicitly passing this attribute allows limiting the updates | |
704 | * received to the events of interest. The bit 1 << IPCT_NEW, 1 << | |
705 | * IPCT_RELATED, and 1 << IPCT_DESTROY must be set to ones for those events to | |
706 | * be received on NFNLGRP_CONNTRACK_NEW and NFNLGRP_CONNTRACK_DESTROY groups, | |
707 | * respectively. Remaining bits control the changes for which an event is | |
708 | * delivered on the NFNLGRP_CONNTRACK_UPDATE group. | |
7f8a436e JS |
709 | */ |
710 | enum ovs_ct_attr { | |
711 | OVS_CT_ATTR_UNSPEC, | |
ab38a7b5 | 712 | OVS_CT_ATTR_COMMIT, /* No argument, commits connection. */ |
7f8a436e | 713 | OVS_CT_ATTR_ZONE, /* u16 zone id. */ |
182e3042 | 714 | OVS_CT_ATTR_MARK, /* mark to associate with this connection. */ |
33db4125 | 715 | OVS_CT_ATTR_LABELS, /* labels to associate with this connection. */ |
cae3a262 JS |
716 | OVS_CT_ATTR_HELPER, /* netlink helper to assist detection of |
717 | related connections. */ | |
05752523 | 718 | OVS_CT_ATTR_NAT, /* Nested OVS_NAT_ATTR_* */ |
dd41d33f | 719 | OVS_CT_ATTR_FORCE_COMMIT, /* No argument */ |
12064551 | 720 | OVS_CT_ATTR_EVENTMASK, /* u32 mask of IPCT_* events. */ |
7f8a436e JS |
721 | __OVS_CT_ATTR_MAX |
722 | }; | |
723 | ||
724 | #define OVS_CT_ATTR_MAX (__OVS_CT_ATTR_MAX - 1) | |
725 | ||
05752523 JR |
726 | /** |
727 | * enum ovs_nat_attr - Attributes for %OVS_CT_ATTR_NAT. | |
728 | * | |
729 | * @OVS_NAT_ATTR_SRC: Flag for Source NAT (mangle source address/port). | |
730 | * @OVS_NAT_ATTR_DST: Flag for Destination NAT (mangle destination | |
731 | * address/port). Only one of (@OVS_NAT_ATTR_SRC, @OVS_NAT_ATTR_DST) may be | |
732 | * specified. Effective only for packets for ct_state NEW connections. | |
733 | * Packets of committed connections are mangled by the NAT action according to | |
734 | * the committed NAT type regardless of the flags specified. As a corollary, a | |
735 | * NAT action without a NAT type flag will only mangle packets of committed | |
736 | * connections. The following NAT attributes only apply for NEW | |
737 | * (non-committed) connections, and they may be included only when the CT | |
738 | * action has the @OVS_CT_ATTR_COMMIT flag and either @OVS_NAT_ATTR_SRC or | |
739 | * @OVS_NAT_ATTR_DST is also included. | |
740 | * @OVS_NAT_ATTR_IP_MIN: struct in_addr or struct in6_addr | |
741 | * @OVS_NAT_ATTR_IP_MAX: struct in_addr or struct in6_addr | |
742 | * @OVS_NAT_ATTR_PROTO_MIN: u16 L4 protocol specific lower boundary (port) | |
743 | * @OVS_NAT_ATTR_PROTO_MAX: u16 L4 protocol specific upper boundary (port) | |
744 | * @OVS_NAT_ATTR_PERSISTENT: Flag for persistent IP mapping across reboots | |
745 | * @OVS_NAT_ATTR_PROTO_HASH: Flag for pseudo random L4 port mapping (MD5) | |
746 | * @OVS_NAT_ATTR_PROTO_RANDOM: Flag for fully randomized L4 port mapping | |
747 | */ | |
748 | enum ovs_nat_attr { | |
749 | OVS_NAT_ATTR_UNSPEC, | |
750 | OVS_NAT_ATTR_SRC, | |
751 | OVS_NAT_ATTR_DST, | |
752 | OVS_NAT_ATTR_IP_MIN, | |
753 | OVS_NAT_ATTR_IP_MAX, | |
754 | OVS_NAT_ATTR_PROTO_MIN, | |
755 | OVS_NAT_ATTR_PROTO_MAX, | |
756 | OVS_NAT_ATTR_PERSISTENT, | |
757 | OVS_NAT_ATTR_PROTO_HASH, | |
758 | OVS_NAT_ATTR_PROTO_RANDOM, | |
759 | __OVS_NAT_ATTR_MAX, | |
760 | }; | |
761 | ||
762 | #define OVS_NAT_ATTR_MAX (__OVS_NAT_ATTR_MAX - 1) | |
763 | ||
91820da6 JB |
764 | /* |
765 | * struct ovs_action_push_eth - %OVS_ACTION_ATTR_PUSH_ETH action argument. | |
766 | * @addresses: Source and destination MAC addresses. | |
767 | * @eth_type: Ethernet type | |
768 | */ | |
769 | struct ovs_action_push_eth { | |
770 | struct ovs_key_ethernet addresses; | |
771 | }; | |
772 | ||
22e3880a TG |
773 | /** |
774 | * enum ovs_action_attr - Action types. | |
775 | * | |
776 | * @OVS_ACTION_ATTR_OUTPUT: Output packet to port. | |
f2a4d086 | 777 | * @OVS_ACTION_ATTR_TRUNC: Output packet to port with truncated packet size. |
22e3880a TG |
778 | * @OVS_ACTION_ATTR_USERSPACE: Send packet to userspace according to nested |
779 | * %OVS_USERSPACE_ATTR_* attributes. | |
780 | * @OVS_ACTION_ATTR_SET: Replaces the contents of an existing header. The | |
781 | * single nested %OVS_KEY_ATTR_* attribute specifies a header to modify and its | |
782 | * value. | |
83d2b9ba JR |
783 | * @OVS_ACTION_ATTR_SET_MASKED: Replaces the contents of an existing header. A |
784 | * nested %OVS_KEY_ATTR_* attribute specifies a header to modify, its value, | |
785 | * and a mask. For every bit set in the mask, the corresponding bit value | |
786 | * is copied from the value to the packet header field, rest of the bits are | |
787 | * left unchanged. The non-masked value bits must be passed in as zeroes. | |
788 | * Masking is not supported for the %OVS_KEY_ATTR_TUNNEL attribute. | |
8c146bb9 TH |
789 | * @OVS_ACTION_ATTR_PUSH_VLAN: Push a new outermost 802.1Q or 802.1ad header |
790 | * onto the packet. | |
791 | * @OVS_ACTION_ATTR_POP_VLAN: Pop the outermost 802.1Q or 802.1ad header | |
792 | * from the packet. | |
22e3880a TG |
793 | * @OVS_ACTION_ATTR_SAMPLE: Probabilitically executes actions, as specified in |
794 | * the nested %OVS_SAMPLE_ATTR_* attributes. | |
25cd9ba0 SH |
795 | * @OVS_ACTION_ATTR_PUSH_MPLS: Push a new MPLS label stack entry onto the |
796 | * top of the packets MPLS label stack. Set the ethertype of the | |
797 | * encapsulating frame to either %ETH_P_MPLS_UC or %ETH_P_MPLS_MC to | |
798 | * indicate the new packet contents. | |
799 | * @OVS_ACTION_ATTR_POP_MPLS: Pop an MPLS label stack entry off of the | |
800 | * packet's MPLS label stack. Set the encapsulating frame's ethertype to | |
801 | * indicate the new packet contents. This could potentially still be | |
802 | * %ETH_P_MPLS if the resulting MPLS label stack is not empty. If there | |
803 | * is no MPLS label stack, as determined by ethertype, no action is taken. | |
7f8a436e JS |
804 | * @OVS_ACTION_ATTR_CT: Track the connection. Populate the conntrack-related |
805 | * entries in the flow key. | |
91820da6 JB |
806 | * @OVS_ACTION_ATTR_PUSH_ETH: Push a new outermost Ethernet header onto the |
807 | * packet. | |
808 | * @OVS_ACTION_ATTR_POP_ETH: Pop the outermost Ethernet header off the | |
809 | * packet. | |
22e3880a TG |
810 | * |
811 | * Only a single header can be set with a single %OVS_ACTION_ATTR_SET. Not all | |
812 | * fields within a header are modifiable, e.g. the IPv4 protocol and fragment | |
813 | * type may not be changed. | |
83d2b9ba JR |
814 | * |
815 | * @OVS_ACTION_ATTR_SET_TO_MASKED: Kernel internal masked set action translated | |
816 | * from the @OVS_ACTION_ATTR_SET. | |
22e3880a TG |
817 | */ |
818 | ||
819 | enum ovs_action_attr { | |
820 | OVS_ACTION_ATTR_UNSPEC, | |
821 | OVS_ACTION_ATTR_OUTPUT, /* u32 port number. */ | |
822 | OVS_ACTION_ATTR_USERSPACE, /* Nested OVS_USERSPACE_ATTR_*. */ | |
823 | OVS_ACTION_ATTR_SET, /* One nested OVS_KEY_ATTR_*. */ | |
824 | OVS_ACTION_ATTR_PUSH_VLAN, /* struct ovs_action_push_vlan. */ | |
825 | OVS_ACTION_ATTR_POP_VLAN, /* No argument. */ | |
826 | OVS_ACTION_ATTR_SAMPLE, /* Nested OVS_SAMPLE_ATTR_*. */ | |
971427f3 AZ |
827 | OVS_ACTION_ATTR_RECIRC, /* u32 recirc_id. */ |
828 | OVS_ACTION_ATTR_HASH, /* struct ovs_action_hash. */ | |
25cd9ba0 SH |
829 | OVS_ACTION_ATTR_PUSH_MPLS, /* struct ovs_action_push_mpls. */ |
830 | OVS_ACTION_ATTR_POP_MPLS, /* __be16 ethertype. */ | |
83d2b9ba JR |
831 | OVS_ACTION_ATTR_SET_MASKED, /* One nested OVS_KEY_ATTR_* including |
832 | * data immediately followed by a mask. | |
833 | * The data must be zero for the unmasked | |
834 | * bits. */ | |
0a7cc172 | 835 | OVS_ACTION_ATTR_CT, /* Nested OVS_CT_ATTR_* . */ |
f2a4d086 | 836 | OVS_ACTION_ATTR_TRUNC, /* u32 struct ovs_action_trunc. */ |
91820da6 JB |
837 | OVS_ACTION_ATTR_PUSH_ETH, /* struct ovs_action_push_eth. */ |
838 | OVS_ACTION_ATTR_POP_ETH, /* No argument. */ | |
83d2b9ba JR |
839 | |
840 | __OVS_ACTION_ATTR_MAX, /* Nothing past this will be accepted | |
841 | * from userspace. */ | |
25cd9ba0 | 842 | |
83d2b9ba JR |
843 | #ifdef __KERNEL__ |
844 | OVS_ACTION_ATTR_SET_TO_MASKED, /* Kernel module internal masked | |
845 | * set action converted from | |
846 | * OVS_ACTION_ATTR_SET. */ | |
847 | #endif | |
22e3880a TG |
848 | }; |
849 | ||
850 | #define OVS_ACTION_ATTR_MAX (__OVS_ACTION_ATTR_MAX - 1) | |
851 | ||
852 | #endif /* _LINUX_OPENVSWITCH_H */ |