1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 2
3 /* 3 /*
4 * Copyright (c) 2007-2017 Nicira, Inc. 4 * Copyright (c) 2007-2017 Nicira, Inc.
5 * 5 *
6 * This program is free software; you can redi 6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of version 2 of t 7 * modify it under the terms of version 2 of the GNU General Public
8 * License as published by the Free Software F 8 * License as published by the Free Software Foundation.
9 * 9 *
10 * This program is distributed in the hope tha 10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the impl 11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details. 13 * General Public License for more details.
14 * 14 *
15 * You should have received a copy of the GNU 15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to t 16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
18 * 02110-1301, USA 18 * 02110-1301, USA
19 */ 19 */
20 20
21 #ifndef _UAPI__LINUX_OPENVSWITCH_H 21 #ifndef _UAPI__LINUX_OPENVSWITCH_H
22 #define _UAPI__LINUX_OPENVSWITCH_H 1 22 #define _UAPI__LINUX_OPENVSWITCH_H 1
23 23
24 #include <linux/types.h> 24 #include <linux/types.h>
25 #include <linux/if_ether.h> 25 #include <linux/if_ether.h>
26 26
27 /** 27 /**
28 * struct ovs_header - header for OVS Generic 28 * struct ovs_header - header for OVS Generic Netlink messages.
29 * @dp_ifindex: ifindex of local port for data 29 * @dp_ifindex: ifindex of local port for datapath (0 to make a request not
30 * specific to a datapath). 30 * specific to a datapath).
31 * 31 *
32 * Attributes following the header are specifi 32 * Attributes following the header are specific to a particular OVS Generic
33 * Netlink family, but all of the OVS families 33 * Netlink family, but all of the OVS families use this header.
34 */ 34 */
35 35
36 struct ovs_header { 36 struct ovs_header {
37 int dp_ifindex; 37 int dp_ifindex;
38 }; 38 };
39 39
40 /* Datapaths. */ 40 /* Datapaths. */
41 41
42 #define OVS_DATAPATH_FAMILY "ovs_datapath" 42 #define OVS_DATAPATH_FAMILY "ovs_datapath"
43 #define OVS_DATAPATH_MCGROUP "ovs_datapath" 43 #define OVS_DATAPATH_MCGROUP "ovs_datapath"
44 44
45 /* V2: 45 /* V2:
46 * - API users are expected to provide OVS_D 46 * - API users are expected to provide OVS_DP_ATTR_USER_FEATURES
47 * when creating the datapath. 47 * when creating the datapath.
48 */ 48 */
49 #define OVS_DATAPATH_VERSION 2 49 #define OVS_DATAPATH_VERSION 2
50 50
51 /* First OVS datapath version to support featu 51 /* First OVS datapath version to support features */
52 #define OVS_DP_VER_FEATURES 2 52 #define OVS_DP_VER_FEATURES 2
53 53
54 enum ovs_datapath_cmd { 54 enum ovs_datapath_cmd {
55 OVS_DP_CMD_UNSPEC, 55 OVS_DP_CMD_UNSPEC,
56 OVS_DP_CMD_NEW, 56 OVS_DP_CMD_NEW,
57 OVS_DP_CMD_DEL, 57 OVS_DP_CMD_DEL,
58 OVS_DP_CMD_GET, 58 OVS_DP_CMD_GET,
59 OVS_DP_CMD_SET 59 OVS_DP_CMD_SET
60 }; 60 };
61 61
62 /** 62 /**
63 * enum ovs_datapath_attr - attributes for %OV 63 * enum ovs_datapath_attr - attributes for %OVS_DP_* commands.
64 * @OVS_DP_ATTR_NAME: Name of the network devi 64 * @OVS_DP_ATTR_NAME: Name of the network device that serves as the "local
65 * port". This is the name of the network dev 65 * port". This is the name of the network device whose dp_ifindex is given in
66 * the &struct ovs_header. Always present in 66 * the &struct ovs_header. Always present in notifications. Required in
67 * %OVS_DP_NEW requests. May be used as an al 67 * %OVS_DP_NEW requests. May be used as an alternative to specifying
68 * dp_ifindex in other requests (with a dp_ifi 68 * dp_ifindex in other requests (with a dp_ifindex of 0).
69 * @OVS_DP_ATTR_UPCALL_PID: The Netlink socket 69 * @OVS_DP_ATTR_UPCALL_PID: The Netlink socket in userspace that is initially
70 * set on the datapath port (for OVS_ACTION_AT 70 * set on the datapath port (for OVS_ACTION_ATTR_MISS). Only valid on
71 * %OVS_DP_CMD_NEW requests. A value of zero i 71 * %OVS_DP_CMD_NEW requests. A value of zero indicates that upcalls should
72 * not be sent. 72 * not be sent.
73 * @OVS_DP_ATTR_PER_CPU_PIDS: Per-cpu array of 73 * @OVS_DP_ATTR_PER_CPU_PIDS: Per-cpu array of PIDs for upcalls when
74 * OVS_DP_F_DISPATCH_UPCALL_PER_CPU feature is 74 * OVS_DP_F_DISPATCH_UPCALL_PER_CPU feature is set.
75 * @OVS_DP_ATTR_STATS: Statistics about packet 75 * @OVS_DP_ATTR_STATS: Statistics about packets that have passed through the
76 * datapath. Always present in notifications. 76 * datapath. Always present in notifications.
77 * @OVS_DP_ATTR_MEGAFLOW_STATS: Statistics abo 77 * @OVS_DP_ATTR_MEGAFLOW_STATS: Statistics about mega flow masks usage for the
78 * datapath. Always present in notifications. 78 * datapath. Always present in notifications.
79 * @OVS_DP_ATTR_IFINDEX: Interface index for a 79 * @OVS_DP_ATTR_IFINDEX: Interface index for a new datapath netdev. Only
80 * valid for %OVS_DP_CMD_NEW requests. 80 * valid for %OVS_DP_CMD_NEW requests.
81 * 81 *
82 * These attributes follow the &struct ovs_hea 82 * These attributes follow the &struct ovs_header within the Generic Netlink
83 * payload for %OVS_DP_* commands. 83 * payload for %OVS_DP_* commands.
84 */ 84 */
85 enum ovs_datapath_attr { 85 enum ovs_datapath_attr {
86 OVS_DP_ATTR_UNSPEC, 86 OVS_DP_ATTR_UNSPEC,
87 OVS_DP_ATTR_NAME, /* nam 87 OVS_DP_ATTR_NAME, /* name of dp_ifindex netdev */
88 OVS_DP_ATTR_UPCALL_PID, /* Net 88 OVS_DP_ATTR_UPCALL_PID, /* Netlink PID to receive upcalls */
89 OVS_DP_ATTR_STATS, /* str 89 OVS_DP_ATTR_STATS, /* struct ovs_dp_stats */
90 OVS_DP_ATTR_MEGAFLOW_STATS, /* str 90 OVS_DP_ATTR_MEGAFLOW_STATS, /* struct ovs_dp_megaflow_stats */
91 OVS_DP_ATTR_USER_FEATURES, /* OVS 91 OVS_DP_ATTR_USER_FEATURES, /* OVS_DP_F_* */
92 OVS_DP_ATTR_PAD, 92 OVS_DP_ATTR_PAD,
93 OVS_DP_ATTR_MASKS_CACHE_SIZE, 93 OVS_DP_ATTR_MASKS_CACHE_SIZE,
94 OVS_DP_ATTR_PER_CPU_PIDS, /* Netlink 94 OVS_DP_ATTR_PER_CPU_PIDS, /* Netlink PIDS to receive upcalls in
95 * per-cpu 95 * per-cpu dispatch mode
96 */ 96 */
97 OVS_DP_ATTR_IFINDEX, 97 OVS_DP_ATTR_IFINDEX,
98 __OVS_DP_ATTR_MAX 98 __OVS_DP_ATTR_MAX
99 }; 99 };
100 100
101 #define OVS_DP_ATTR_MAX (__OVS_DP_ATTR_MAX - 1 101 #define OVS_DP_ATTR_MAX (__OVS_DP_ATTR_MAX - 1)
102 102
103 struct ovs_dp_stats { 103 struct ovs_dp_stats {
104 __u64 n_hit; /* Number of 104 __u64 n_hit; /* Number of flow table matches. */
105 __u64 n_missed; /* Number of 105 __u64 n_missed; /* Number of flow table misses. */
106 __u64 n_lost; /* Number of 106 __u64 n_lost; /* Number of misses not sent to userspace. */
107 __u64 n_flows; /* Number of 107 __u64 n_flows; /* Number of flows present */
108 }; 108 };
109 109
110 struct ovs_dp_megaflow_stats { 110 struct ovs_dp_megaflow_stats {
111 __u64 n_mask_hit; /* Number of 111 __u64 n_mask_hit; /* Number of masks used for flow lookups. */
112 __u32 n_masks; /* Number of 112 __u32 n_masks; /* Number of masks for the datapath. */
113 __u32 pad0; /* Pad for fu 113 __u32 pad0; /* Pad for future expension. */
114 __u64 n_cache_hit; /* Number of 114 __u64 n_cache_hit; /* Number of cache matches for flow lookups. */
115 __u64 pad1; /* Pad for fu 115 __u64 pad1; /* Pad for future expension. */
116 }; 116 };
117 117
118 struct ovs_vport_stats { 118 struct ovs_vport_stats {
119 __u64 rx_packets; /* tot 119 __u64 rx_packets; /* total packets received */
120 __u64 tx_packets; /* tot 120 __u64 tx_packets; /* total packets transmitted */
121 __u64 rx_bytes; /* tot 121 __u64 rx_bytes; /* total bytes received */
122 __u64 tx_bytes; /* tot 122 __u64 tx_bytes; /* total bytes transmitted */
123 __u64 rx_errors; /* bad 123 __u64 rx_errors; /* bad packets received */
124 __u64 tx_errors; /* pac 124 __u64 tx_errors; /* packet transmit problems */
125 __u64 rx_dropped; /* no 125 __u64 rx_dropped; /* no space in linux buffers */
126 __u64 tx_dropped; /* no 126 __u64 tx_dropped; /* no space available in linux */
127 }; 127 };
128 128
129 /* Allow last Netlink attribute to be unaligne 129 /* Allow last Netlink attribute to be unaligned */
130 #define OVS_DP_F_UNALIGNED (1 << 0) 130 #define OVS_DP_F_UNALIGNED (1 << 0)
131 131
132 /* Allow datapath to associate multiple Netlin 132 /* Allow datapath to associate multiple Netlink PIDs to each vport */
133 #define OVS_DP_F_VPORT_PIDS (1 << 1) 133 #define OVS_DP_F_VPORT_PIDS (1 << 1)
134 134
135 /* Allow tc offload recirc sharing */ 135 /* Allow tc offload recirc sharing */
136 #define OVS_DP_F_TC_RECIRC_SHARING (1 << 136 #define OVS_DP_F_TC_RECIRC_SHARING (1 << 2)
137 137
138 /* Allow per-cpu dispatch of upcalls */ 138 /* Allow per-cpu dispatch of upcalls */
139 #define OVS_DP_F_DISPATCH_UPCALL_PER_CPU 139 #define OVS_DP_F_DISPATCH_UPCALL_PER_CPU (1 << 3)
140 140
141 /* Fixed logical ports. */ 141 /* Fixed logical ports. */
142 #define OVSP_LOCAL ((__u32)0) 142 #define OVSP_LOCAL ((__u32)0)
143 143
144 /* Packet transfer. */ 144 /* Packet transfer. */
145 145
146 #define OVS_PACKET_FAMILY "ovs_packet" 146 #define OVS_PACKET_FAMILY "ovs_packet"
147 #define OVS_PACKET_VERSION 0x1 147 #define OVS_PACKET_VERSION 0x1
148 148
149 enum ovs_packet_cmd { 149 enum ovs_packet_cmd {
150 OVS_PACKET_CMD_UNSPEC, 150 OVS_PACKET_CMD_UNSPEC,
151 151
152 /* Kernel-to-user notifications. */ 152 /* Kernel-to-user notifications. */
153 OVS_PACKET_CMD_MISS, /* Flow table 153 OVS_PACKET_CMD_MISS, /* Flow table miss. */
154 OVS_PACKET_CMD_ACTION, /* OVS_ACTION_ 154 OVS_PACKET_CMD_ACTION, /* OVS_ACTION_ATTR_USERSPACE action. */
155 155
156 /* Userspace commands. */ 156 /* Userspace commands. */
157 OVS_PACKET_CMD_EXECUTE /* Apply actio 157 OVS_PACKET_CMD_EXECUTE /* Apply actions to a packet. */
158 }; 158 };
159 159
160 /** 160 /**
161 * enum ovs_packet_attr - attributes for %OVS_ 161 * enum ovs_packet_attr - attributes for %OVS_PACKET_* commands.
162 * @OVS_PACKET_ATTR_PACKET: Present for all no 162 * @OVS_PACKET_ATTR_PACKET: Present for all notifications. Contains the entire
163 * packet as received, from the start of the E 163 * packet as received, from the start of the Ethernet header onward. For
164 * %OVS_PACKET_CMD_ACTION, %OVS_PACKET_ATTR_PA 164 * %OVS_PACKET_CMD_ACTION, %OVS_PACKET_ATTR_PACKET reflects changes made by
165 * actions preceding %OVS_ACTION_ATTR_USERSPAC 165 * actions preceding %OVS_ACTION_ATTR_USERSPACE, but %OVS_PACKET_ATTR_KEY is
166 * the flow key extracted from the packet as o 166 * the flow key extracted from the packet as originally received.
167 * @OVS_PACKET_ATTR_KEY: Present for all notif 167 * @OVS_PACKET_ATTR_KEY: Present for all notifications. Contains the flow key
168 * extracted from the packet as nested %OVS_KE 168 * extracted from the packet as nested %OVS_KEY_ATTR_* attributes. This allows
169 * userspace to adapt its flow setup strategy 169 * userspace to adapt its flow setup strategy by comparing its notion of the
170 * flow key against the kernel's. 170 * flow key against the kernel's.
171 * @OVS_PACKET_ATTR_ACTIONS: Contains actions 171 * @OVS_PACKET_ATTR_ACTIONS: Contains actions for the packet. Used
172 * for %OVS_PACKET_CMD_EXECUTE. It has nested 172 * for %OVS_PACKET_CMD_EXECUTE. It has nested %OVS_ACTION_ATTR_* attributes.
173 * Also used in upcall when %OVS_ACTION_ATTR_U 173 * Also used in upcall when %OVS_ACTION_ATTR_USERSPACE has optional
174 * %OVS_USERSPACE_ATTR_ACTIONS attribute. 174 * %OVS_USERSPACE_ATTR_ACTIONS attribute.
175 * @OVS_PACKET_ATTR_USERDATA: Present for an % 175 * @OVS_PACKET_ATTR_USERDATA: Present for an %OVS_PACKET_CMD_ACTION
176 * notification if the %OVS_ACTION_ATTR_USERSP 176 * notification if the %OVS_ACTION_ATTR_USERSPACE action specified an
177 * %OVS_USERSPACE_ATTR_USERDATA attribute, wit 177 * %OVS_USERSPACE_ATTR_USERDATA attribute, with the same length and content
178 * specified there. 178 * specified there.
179 * @OVS_PACKET_ATTR_EGRESS_TUN_KEY: Present fo 179 * @OVS_PACKET_ATTR_EGRESS_TUN_KEY: Present for an %OVS_PACKET_CMD_ACTION
180 * notification if the %OVS_ACTION_ATTR_USERSP 180 * notification if the %OVS_ACTION_ATTR_USERSPACE action specified an
181 * %OVS_USERSPACE_ATTR_EGRESS_TUN_PORT attribu 181 * %OVS_USERSPACE_ATTR_EGRESS_TUN_PORT attribute, which is sent only if the
182 * output port is actually a tunnel port. Cont 182 * output port is actually a tunnel port. Contains the output tunnel key
183 * extracted from the packet as nested %OVS_TU 183 * extracted from the packet as nested %OVS_TUNNEL_KEY_ATTR_* attributes.
184 * @OVS_PACKET_ATTR_MRU: Present for an %OVS_P 184 * @OVS_PACKET_ATTR_MRU: Present for an %OVS_PACKET_CMD_ACTION and
185 * @OVS_PACKET_ATTR_LEN: Packet size before tr 185 * @OVS_PACKET_ATTR_LEN: Packet size before truncation.
186 * %OVS_PACKET_ATTR_USERSPACE action specify t 186 * %OVS_PACKET_ATTR_USERSPACE action specify the Maximum received fragment
187 * size. 187 * size.
188 * @OVS_PACKET_ATTR_HASH: Packet hash info (e. 188 * @OVS_PACKET_ATTR_HASH: Packet hash info (e.g. hash, sw_hash and l4_hash in skb).
189 * 189 *
190 * These attributes follow the &struct ovs_hea 190 * These attributes follow the &struct ovs_header within the Generic Netlink
191 * payload for %OVS_PACKET_* commands. 191 * payload for %OVS_PACKET_* commands.
192 */ 192 */
193 enum ovs_packet_attr { 193 enum ovs_packet_attr {
194 OVS_PACKET_ATTR_UNSPEC, 194 OVS_PACKET_ATTR_UNSPEC,
195 OVS_PACKET_ATTR_PACKET, /* Packet 195 OVS_PACKET_ATTR_PACKET, /* Packet data. */
196 OVS_PACKET_ATTR_KEY, /* Nested 196 OVS_PACKET_ATTR_KEY, /* Nested OVS_KEY_ATTR_* attributes. */
197 OVS_PACKET_ATTR_ACTIONS, /* Nested 197 OVS_PACKET_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */
198 OVS_PACKET_ATTR_USERDATA, /* OVS_AC 198 OVS_PACKET_ATTR_USERDATA, /* OVS_ACTION_ATTR_USERSPACE arg. */
199 OVS_PACKET_ATTR_EGRESS_TUN_KEY, /* Ne 199 OVS_PACKET_ATTR_EGRESS_TUN_KEY, /* Nested OVS_TUNNEL_KEY_ATTR_*
200 at 200 attributes. */
201 OVS_PACKET_ATTR_UNUSED1, 201 OVS_PACKET_ATTR_UNUSED1,
202 OVS_PACKET_ATTR_UNUSED2, 202 OVS_PACKET_ATTR_UNUSED2,
203 OVS_PACKET_ATTR_PROBE, /* Packet 203 OVS_PACKET_ATTR_PROBE, /* Packet operation is a feature probe,
204 error l 204 error logging should be suppressed. */
205 OVS_PACKET_ATTR_MRU, /* Maximum 205 OVS_PACKET_ATTR_MRU, /* Maximum received IP fragment size. */
206 OVS_PACKET_ATTR_LEN, /* Packet 206 OVS_PACKET_ATTR_LEN, /* Packet size before truncation. */
207 OVS_PACKET_ATTR_HASH, /* Packet 207 OVS_PACKET_ATTR_HASH, /* Packet hash. */
208 __OVS_PACKET_ATTR_MAX 208 __OVS_PACKET_ATTR_MAX
209 }; 209 };
210 210
211 #define OVS_PACKET_ATTR_MAX (__OVS_PACKET_ATTR 211 #define OVS_PACKET_ATTR_MAX (__OVS_PACKET_ATTR_MAX - 1)
212 212
213 /* Virtual ports. */ 213 /* Virtual ports. */
214 214
215 #define OVS_VPORT_FAMILY "ovs_vport" 215 #define OVS_VPORT_FAMILY "ovs_vport"
216 #define OVS_VPORT_MCGROUP "ovs_vport" 216 #define OVS_VPORT_MCGROUP "ovs_vport"
217 #define OVS_VPORT_VERSION 0x1 217 #define OVS_VPORT_VERSION 0x1
218 218
219 enum ovs_vport_cmd { 219 enum ovs_vport_cmd {
220 OVS_VPORT_CMD_UNSPEC, 220 OVS_VPORT_CMD_UNSPEC,
221 OVS_VPORT_CMD_NEW, 221 OVS_VPORT_CMD_NEW,
222 OVS_VPORT_CMD_DEL, 222 OVS_VPORT_CMD_DEL,
223 OVS_VPORT_CMD_GET, 223 OVS_VPORT_CMD_GET,
224 OVS_VPORT_CMD_SET 224 OVS_VPORT_CMD_SET
225 }; 225 };
226 226
227 enum ovs_vport_type { 227 enum ovs_vport_type {
228 OVS_VPORT_TYPE_UNSPEC, 228 OVS_VPORT_TYPE_UNSPEC,
229 OVS_VPORT_TYPE_NETDEV, /* network de 229 OVS_VPORT_TYPE_NETDEV, /* network device */
230 OVS_VPORT_TYPE_INTERNAL, /* network de 230 OVS_VPORT_TYPE_INTERNAL, /* network device implemented by datapath */
231 OVS_VPORT_TYPE_GRE, /* GRE tunnel 231 OVS_VPORT_TYPE_GRE, /* GRE tunnel. */
232 OVS_VPORT_TYPE_VXLAN, /* VXLAN tunn 232 OVS_VPORT_TYPE_VXLAN, /* VXLAN tunnel. */
233 OVS_VPORT_TYPE_GENEVE, /* Geneve tun 233 OVS_VPORT_TYPE_GENEVE, /* Geneve tunnel. */
234 __OVS_VPORT_TYPE_MAX 234 __OVS_VPORT_TYPE_MAX
235 }; 235 };
236 236
237 #define OVS_VPORT_TYPE_MAX (__OVS_VPORT_TYPE_M 237 #define OVS_VPORT_TYPE_MAX (__OVS_VPORT_TYPE_MAX - 1)
238 238
239 /** 239 /**
240 * enum ovs_vport_attr - attributes for %OVS_V 240 * enum ovs_vport_attr - attributes for %OVS_VPORT_* commands.
241 * @OVS_VPORT_ATTR_PORT_NO: 32-bit port number 241 * @OVS_VPORT_ATTR_PORT_NO: 32-bit port number within datapath.
242 * @OVS_VPORT_ATTR_TYPE: 32-bit %OVS_VPORT_TYP 242 * @OVS_VPORT_ATTR_TYPE: 32-bit %OVS_VPORT_TYPE_* constant describing the type
243 * of vport. 243 * of vport.
244 * @OVS_VPORT_ATTR_NAME: Name of vport. For a 244 * @OVS_VPORT_ATTR_NAME: Name of vport. For a vport based on a network device
245 * this is the name of the network device. Ma 245 * this is the name of the network device. Maximum length %IFNAMSIZ-1 bytes
246 * plus a null terminator. 246 * plus a null terminator.
247 * @OVS_VPORT_ATTR_OPTIONS: Vport-specific con 247 * @OVS_VPORT_ATTR_OPTIONS: Vport-specific configuration information.
248 * @OVS_VPORT_ATTR_UPCALL_PID: The array of Ne 248 * @OVS_VPORT_ATTR_UPCALL_PID: The array of Netlink socket pids in userspace
249 * among which OVS_PACKET_CMD_MISS upcalls wil 249 * among which OVS_PACKET_CMD_MISS upcalls will be distributed for packets
250 * received on this port. If this is a single 250 * received on this port. If this is a single-element array of value 0,
251 * upcalls should not be sent. 251 * upcalls should not be sent.
252 * @OVS_VPORT_ATTR_STATS: A &struct ovs_vport_ 252 * @OVS_VPORT_ATTR_STATS: A &struct ovs_vport_stats giving statistics for
253 * packets sent or received through the vport. 253 * packets sent or received through the vport.
254 * 254 *
255 * These attributes follow the &struct ovs_hea 255 * These attributes follow the &struct ovs_header within the Generic Netlink
256 * payload for %OVS_VPORT_* commands. 256 * payload for %OVS_VPORT_* commands.
257 * 257 *
258 * For %OVS_VPORT_CMD_NEW requests, the %OVS_V 258 * For %OVS_VPORT_CMD_NEW requests, the %OVS_VPORT_ATTR_TYPE and
259 * %OVS_VPORT_ATTR_NAME attributes are require 259 * %OVS_VPORT_ATTR_NAME attributes are required. %OVS_VPORT_ATTR_PORT_NO is
260 * optional; if not specified a free port numb 260 * optional; if not specified a free port number is automatically selected.
261 * Whether %OVS_VPORT_ATTR_OPTIONS is required 261 * Whether %OVS_VPORT_ATTR_OPTIONS is required or optional depends on the type
262 * of vport. 262 * of vport.
263 * 263 *
264 * For other requests, if %OVS_VPORT_ATTR_NAME 264 * For other requests, if %OVS_VPORT_ATTR_NAME is specified then it is used to
265 * look up the vport to operate on; otherwise 265 * look up the vport to operate on; otherwise dp_idx from the &struct
266 * ovs_header plus %OVS_VPORT_ATTR_PORT_NO det 266 * ovs_header plus %OVS_VPORT_ATTR_PORT_NO determine the vport.
267 */ 267 */
268 enum ovs_vport_attr { 268 enum ovs_vport_attr {
269 OVS_VPORT_ATTR_UNSPEC, 269 OVS_VPORT_ATTR_UNSPEC,
270 OVS_VPORT_ATTR_PORT_NO, /* u32 port nu 270 OVS_VPORT_ATTR_PORT_NO, /* u32 port number within datapath */
271 OVS_VPORT_ATTR_TYPE, /* u32 OVS_VPO 271 OVS_VPORT_ATTR_TYPE, /* u32 OVS_VPORT_TYPE_* constant. */
272 OVS_VPORT_ATTR_NAME, /* string name 272 OVS_VPORT_ATTR_NAME, /* string name, up to IFNAMSIZ bytes long */
273 OVS_VPORT_ATTR_OPTIONS, /* nested attr 273 OVS_VPORT_ATTR_OPTIONS, /* nested attributes, varies by vport type */
274 OVS_VPORT_ATTR_UPCALL_PID, /* array of 274 OVS_VPORT_ATTR_UPCALL_PID, /* array of u32 Netlink socket PIDs for */
275 /* receiving u 275 /* receiving upcalls */
276 OVS_VPORT_ATTR_STATS, /* struct ovs_ 276 OVS_VPORT_ATTR_STATS, /* struct ovs_vport_stats */
277 OVS_VPORT_ATTR_PAD, 277 OVS_VPORT_ATTR_PAD,
278 OVS_VPORT_ATTR_IFINDEX, 278 OVS_VPORT_ATTR_IFINDEX,
279 OVS_VPORT_ATTR_NETNSID, 279 OVS_VPORT_ATTR_NETNSID,
280 OVS_VPORT_ATTR_UPCALL_STATS, 280 OVS_VPORT_ATTR_UPCALL_STATS,
281 __OVS_VPORT_ATTR_MAX 281 __OVS_VPORT_ATTR_MAX
282 }; 282 };
283 283
284 #define OVS_VPORT_ATTR_MAX (__OVS_VPORT_ATTR_M 284 #define OVS_VPORT_ATTR_MAX (__OVS_VPORT_ATTR_MAX - 1)
285 285
286 /** 286 /**
287 * enum ovs_vport_upcall_attr - attributes for 287 * enum ovs_vport_upcall_attr - attributes for %OVS_VPORT_UPCALL* commands
288 * @OVS_VPORT_UPCALL_SUCCESS: 64-bit upcall su 288 * @OVS_VPORT_UPCALL_SUCCESS: 64-bit upcall success packets.
289 * @OVS_VPORT_UPCALL_FAIL: 64-bit upcall fail 289 * @OVS_VPORT_UPCALL_FAIL: 64-bit upcall fail packets.
290 */ 290 */
291 enum ovs_vport_upcall_attr { 291 enum ovs_vport_upcall_attr {
292 OVS_VPORT_UPCALL_ATTR_SUCCESS, 292 OVS_VPORT_UPCALL_ATTR_SUCCESS,
293 OVS_VPORT_UPCALL_ATTR_FAIL, 293 OVS_VPORT_UPCALL_ATTR_FAIL,
294 __OVS_VPORT_UPCALL_ATTR_MAX 294 __OVS_VPORT_UPCALL_ATTR_MAX
295 }; 295 };
296 296
297 #define OVS_VPORT_UPCALL_ATTR_MAX (__OVS_VPORT 297 #define OVS_VPORT_UPCALL_ATTR_MAX (__OVS_VPORT_UPCALL_ATTR_MAX - 1)
298 298
299 enum { 299 enum {
300 OVS_VXLAN_EXT_UNSPEC, 300 OVS_VXLAN_EXT_UNSPEC,
301 OVS_VXLAN_EXT_GBP, /* Flag or __u 301 OVS_VXLAN_EXT_GBP, /* Flag or __u32 */
302 __OVS_VXLAN_EXT_MAX, 302 __OVS_VXLAN_EXT_MAX,
303 }; 303 };
304 304
305 #define OVS_VXLAN_EXT_MAX (__OVS_VXLAN_EXT_MAX 305 #define OVS_VXLAN_EXT_MAX (__OVS_VXLAN_EXT_MAX - 1)
306 306
307 307
308 /* OVS_VPORT_ATTR_OPTIONS attributes for tunne 308 /* OVS_VPORT_ATTR_OPTIONS attributes for tunnels.
309 */ 309 */
310 enum { 310 enum {
311 OVS_TUNNEL_ATTR_UNSPEC, 311 OVS_TUNNEL_ATTR_UNSPEC,
312 OVS_TUNNEL_ATTR_DST_PORT, /* 16-bit UD 312 OVS_TUNNEL_ATTR_DST_PORT, /* 16-bit UDP port, used by L4 tunnels. */
313 OVS_TUNNEL_ATTR_EXTENSION, 313 OVS_TUNNEL_ATTR_EXTENSION,
314 __OVS_TUNNEL_ATTR_MAX 314 __OVS_TUNNEL_ATTR_MAX
315 }; 315 };
316 316
317 #define OVS_TUNNEL_ATTR_MAX (__OVS_TUNNEL_ATTR 317 #define OVS_TUNNEL_ATTR_MAX (__OVS_TUNNEL_ATTR_MAX - 1)
318 318
319 /* Flows. */ 319 /* Flows. */
320 320
321 #define OVS_FLOW_FAMILY "ovs_flow" 321 #define OVS_FLOW_FAMILY "ovs_flow"
322 #define OVS_FLOW_MCGROUP "ovs_flow" 322 #define OVS_FLOW_MCGROUP "ovs_flow"
323 #define OVS_FLOW_VERSION 0x1 323 #define OVS_FLOW_VERSION 0x1
324 324
325 enum ovs_flow_cmd { 325 enum ovs_flow_cmd {
326 OVS_FLOW_CMD_UNSPEC, 326 OVS_FLOW_CMD_UNSPEC,
327 OVS_FLOW_CMD_NEW, 327 OVS_FLOW_CMD_NEW,
328 OVS_FLOW_CMD_DEL, 328 OVS_FLOW_CMD_DEL,
329 OVS_FLOW_CMD_GET, 329 OVS_FLOW_CMD_GET,
330 OVS_FLOW_CMD_SET 330 OVS_FLOW_CMD_SET
331 }; 331 };
332 332
333 struct ovs_flow_stats { 333 struct ovs_flow_stats {
334 __u64 n_packets; /* Number of 334 __u64 n_packets; /* Number of matched packets. */
335 __u64 n_bytes; /* Number of 335 __u64 n_bytes; /* Number of matched bytes. */
336 }; 336 };
337 337
338 enum ovs_key_attr { 338 enum ovs_key_attr {
339 OVS_KEY_ATTR_UNSPEC, 339 OVS_KEY_ATTR_UNSPEC,
340 OVS_KEY_ATTR_ENCAP, /* Nested set 340 OVS_KEY_ATTR_ENCAP, /* Nested set of encapsulated attributes. */
341 OVS_KEY_ATTR_PRIORITY, /* u32 skb->pr 341 OVS_KEY_ATTR_PRIORITY, /* u32 skb->priority */
342 OVS_KEY_ATTR_IN_PORT, /* u32 OVS dp 342 OVS_KEY_ATTR_IN_PORT, /* u32 OVS dp port number */
343 OVS_KEY_ATTR_ETHERNET, /* struct ovs_ 343 OVS_KEY_ATTR_ETHERNET, /* struct ovs_key_ethernet */
344 OVS_KEY_ATTR_VLAN, /* be16 VLAN T 344 OVS_KEY_ATTR_VLAN, /* be16 VLAN TCI */
345 OVS_KEY_ATTR_ETHERTYPE, /* be16 Ethern 345 OVS_KEY_ATTR_ETHERTYPE, /* be16 Ethernet type */
346 OVS_KEY_ATTR_IPV4, /* struct ovs_ 346 OVS_KEY_ATTR_IPV4, /* struct ovs_key_ipv4 */
347 OVS_KEY_ATTR_IPV6, /* struct ovs_ 347 OVS_KEY_ATTR_IPV6, /* struct ovs_key_ipv6 */
348 OVS_KEY_ATTR_TCP, /* struct ovs_ 348 OVS_KEY_ATTR_TCP, /* struct ovs_key_tcp */
349 OVS_KEY_ATTR_UDP, /* struct ovs_ 349 OVS_KEY_ATTR_UDP, /* struct ovs_key_udp */
350 OVS_KEY_ATTR_ICMP, /* struct ovs_ 350 OVS_KEY_ATTR_ICMP, /* struct ovs_key_icmp */
351 OVS_KEY_ATTR_ICMPV6, /* struct ovs_ 351 OVS_KEY_ATTR_ICMPV6, /* struct ovs_key_icmpv6 */
352 OVS_KEY_ATTR_ARP, /* struct ovs_ 352 OVS_KEY_ATTR_ARP, /* struct ovs_key_arp */
353 OVS_KEY_ATTR_ND, /* struct ovs_ 353 OVS_KEY_ATTR_ND, /* struct ovs_key_nd */
354 OVS_KEY_ATTR_SKB_MARK, /* u32 skb mar 354 OVS_KEY_ATTR_SKB_MARK, /* u32 skb mark */
355 OVS_KEY_ATTR_TUNNEL, /* Nested set 355 OVS_KEY_ATTR_TUNNEL, /* Nested set of ovs_tunnel attributes */
356 OVS_KEY_ATTR_SCTP, /* struct ovs_ 356 OVS_KEY_ATTR_SCTP, /* struct ovs_key_sctp */
357 OVS_KEY_ATTR_TCP_FLAGS, /* be16 TCP fl 357 OVS_KEY_ATTR_TCP_FLAGS, /* be16 TCP flags. */
358 OVS_KEY_ATTR_DP_HASH, /* u32 hash 358 OVS_KEY_ATTR_DP_HASH, /* u32 hash value. Value 0 indicates the hash
359 is not comp 359 is not computed by the datapath. */
360 OVS_KEY_ATTR_RECIRC_ID, /* u32 recirc 360 OVS_KEY_ATTR_RECIRC_ID, /* u32 recirc id */
361 OVS_KEY_ATTR_MPLS, /* array of st 361 OVS_KEY_ATTR_MPLS, /* array of struct ovs_key_mpls.
362 * The impleme 362 * The implementation may restrict
363 * the accepte 363 * the accepted length of the array. */
364 OVS_KEY_ATTR_CT_STATE, /* u32 bitmask 364 OVS_KEY_ATTR_CT_STATE, /* u32 bitmask of OVS_CS_F_* */
365 OVS_KEY_ATTR_CT_ZONE, /* u16 connect 365 OVS_KEY_ATTR_CT_ZONE, /* u16 connection tracking zone. */
366 OVS_KEY_ATTR_CT_MARK, /* u32 connect 366 OVS_KEY_ATTR_CT_MARK, /* u32 connection tracking mark */
367 OVS_KEY_ATTR_CT_LABELS, /* 16-octet co 367 OVS_KEY_ATTR_CT_LABELS, /* 16-octet connection tracking label */
368 OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4, /* 368 OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4, /* struct ovs_key_ct_tuple_ipv4 */
369 OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6, /* 369 OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6, /* struct ovs_key_ct_tuple_ipv6 */
370 OVS_KEY_ATTR_NSH, /* Nested set 370 OVS_KEY_ATTR_NSH, /* Nested set of ovs_nsh_key_* */
371 371
372 /* User space decided to squat on type 372 /* User space decided to squat on types 29 and 30. They are defined
373 * below, but should not be sent to th 373 * below, but should not be sent to the kernel.
374 * 374 *
375 * WARNING: No new types should be add 375 * WARNING: No new types should be added unless they are defined
376 * for both kernel and user s 376 * for both kernel and user space (no 'ifdef's). It's hard
377 * to keep compatibility othe 377 * to keep compatibility otherwise.
378 */ 378 */
379 OVS_KEY_ATTR_PACKET_TYPE, /* be32 pa 379 OVS_KEY_ATTR_PACKET_TYPE, /* be32 packet type */
380 OVS_KEY_ATTR_ND_EXTENSIONS, /* IPv6 Ne 380 OVS_KEY_ATTR_ND_EXTENSIONS, /* IPv6 Neighbor Discovery extensions */
381 381
382 OVS_KEY_ATTR_TUNNEL_INFO, /* struct 382 OVS_KEY_ATTR_TUNNEL_INFO, /* struct ip_tunnel_info.
383 * For in- 383 * For in-kernel use only.
384 */ 384 */
385 OVS_KEY_ATTR_IPV6_EXTHDRS, /* struct 385 OVS_KEY_ATTR_IPV6_EXTHDRS, /* struct ovs_key_ipv6_exthdr */
386 __OVS_KEY_ATTR_MAX 386 __OVS_KEY_ATTR_MAX
387 }; 387 };
388 388
389 #define OVS_KEY_ATTR_MAX (__OVS_KEY_ATTR_MAX - 389 #define OVS_KEY_ATTR_MAX (__OVS_KEY_ATTR_MAX - 1)
390 390
391 enum ovs_tunnel_key_attr { 391 enum ovs_tunnel_key_attr {
392 /* OVS_TUNNEL_KEY_ATTR_NONE, standard 392 /* OVS_TUNNEL_KEY_ATTR_NONE, standard nl API requires this attribute! */
393 OVS_TUNNEL_KEY_ATTR_ID, 393 OVS_TUNNEL_KEY_ATTR_ID, /* be64 Tunnel ID */
394 OVS_TUNNEL_KEY_ATTR_IPV4_SRC, 394 OVS_TUNNEL_KEY_ATTR_IPV4_SRC, /* be32 src IP address. */
395 OVS_TUNNEL_KEY_ATTR_IPV4_DST, 395 OVS_TUNNEL_KEY_ATTR_IPV4_DST, /* be32 dst IP address. */
396 OVS_TUNNEL_KEY_ATTR_TOS, 396 OVS_TUNNEL_KEY_ATTR_TOS, /* u8 Tunnel IP ToS. */
397 OVS_TUNNEL_KEY_ATTR_TTL, 397 OVS_TUNNEL_KEY_ATTR_TTL, /* u8 Tunnel IP TTL. */
398 OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT, 398 OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT, /* No argument, set DF. */
399 OVS_TUNNEL_KEY_ATTR_CSUM, 399 OVS_TUNNEL_KEY_ATTR_CSUM, /* No argument. CSUM packet. */
400 OVS_TUNNEL_KEY_ATTR_OAM, 400 OVS_TUNNEL_KEY_ATTR_OAM, /* No argument. OAM frame. */
401 OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS, 401 OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS, /* Array of Geneve options. */
402 OVS_TUNNEL_KEY_ATTR_TP_SRC, 402 OVS_TUNNEL_KEY_ATTR_TP_SRC, /* be16 src Transport Port. */
403 OVS_TUNNEL_KEY_ATTR_TP_DST, 403 OVS_TUNNEL_KEY_ATTR_TP_DST, /* be16 dst Transport Port. */
404 OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS, 404 OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS, /* Nested OVS_VXLAN_EXT_* */
405 OVS_TUNNEL_KEY_ATTR_IPV6_SRC, 405 OVS_TUNNEL_KEY_ATTR_IPV6_SRC, /* struct in6_addr src IPv6 address. */
406 OVS_TUNNEL_KEY_ATTR_IPV6_DST, 406 OVS_TUNNEL_KEY_ATTR_IPV6_DST, /* struct in6_addr dst IPv6 address. */
407 OVS_TUNNEL_KEY_ATTR_PAD, 407 OVS_TUNNEL_KEY_ATTR_PAD,
408 OVS_TUNNEL_KEY_ATTR_ERSPAN_OPTS, 408 OVS_TUNNEL_KEY_ATTR_ERSPAN_OPTS, /* struct erspan_metadata */
409 OVS_TUNNEL_KEY_ATTR_IPV4_INFO_BRIDGE, 409 OVS_TUNNEL_KEY_ATTR_IPV4_INFO_BRIDGE, /* No argument. IPV4_INFO_BRIDGE mode.*/
410 __OVS_TUNNEL_KEY_ATTR_MAX 410 __OVS_TUNNEL_KEY_ATTR_MAX
411 }; 411 };
412 412
413 #define OVS_TUNNEL_KEY_ATTR_MAX (__OVS_TUNNEL_ 413 #define OVS_TUNNEL_KEY_ATTR_MAX (__OVS_TUNNEL_KEY_ATTR_MAX - 1)
414 414
415 /** 415 /**
416 * enum ovs_frag_type - IPv4 and IPv6 fragment 416 * enum ovs_frag_type - IPv4 and IPv6 fragment type
417 * @OVS_FRAG_TYPE_NONE: Packet is not a fragme 417 * @OVS_FRAG_TYPE_NONE: Packet is not a fragment.
418 * @OVS_FRAG_TYPE_FIRST: Packet is a fragment 418 * @OVS_FRAG_TYPE_FIRST: Packet is a fragment with offset 0.
419 * @OVS_FRAG_TYPE_LATER: Packet is a fragment 419 * @OVS_FRAG_TYPE_LATER: Packet is a fragment with nonzero offset.
420 * 420 *
421 * Used as the @ipv4_frag in &struct ovs_key_i 421 * Used as the @ipv4_frag in &struct ovs_key_ipv4 and as @ipv6_frag &struct
422 * ovs_key_ipv6. 422 * ovs_key_ipv6.
423 */ 423 */
424 enum ovs_frag_type { 424 enum ovs_frag_type {
425 OVS_FRAG_TYPE_NONE, 425 OVS_FRAG_TYPE_NONE,
426 OVS_FRAG_TYPE_FIRST, 426 OVS_FRAG_TYPE_FIRST,
427 OVS_FRAG_TYPE_LATER, 427 OVS_FRAG_TYPE_LATER,
428 __OVS_FRAG_TYPE_MAX 428 __OVS_FRAG_TYPE_MAX
429 }; 429 };
430 430
431 #define OVS_FRAG_TYPE_MAX (__OVS_FRAG_TYPE_MAX 431 #define OVS_FRAG_TYPE_MAX (__OVS_FRAG_TYPE_MAX - 1)
432 432
433 struct ovs_key_ethernet { 433 struct ovs_key_ethernet {
434 __u8 eth_src[ETH_ALEN]; 434 __u8 eth_src[ETH_ALEN];
435 __u8 eth_dst[ETH_ALEN]; 435 __u8 eth_dst[ETH_ALEN];
436 }; 436 };
437 437
438 struct ovs_key_mpls { 438 struct ovs_key_mpls {
439 __be32 mpls_lse; 439 __be32 mpls_lse;
440 }; 440 };
441 441
442 struct ovs_key_ipv4 { 442 struct ovs_key_ipv4 {
443 __be32 ipv4_src; 443 __be32 ipv4_src;
444 __be32 ipv4_dst; 444 __be32 ipv4_dst;
445 __u8 ipv4_proto; 445 __u8 ipv4_proto;
446 __u8 ipv4_tos; 446 __u8 ipv4_tos;
447 __u8 ipv4_ttl; 447 __u8 ipv4_ttl;
448 __u8 ipv4_frag; /* One of OVS_ 448 __u8 ipv4_frag; /* One of OVS_FRAG_TYPE_*. */
449 }; 449 };
450 450
451 struct ovs_key_ipv6 { 451 struct ovs_key_ipv6 {
452 __be32 ipv6_src[4]; 452 __be32 ipv6_src[4];
453 __be32 ipv6_dst[4]; 453 __be32 ipv6_dst[4];
454 __be32 ipv6_label; /* 20-bits in 454 __be32 ipv6_label; /* 20-bits in least-significant bits. */
455 __u8 ipv6_proto; 455 __u8 ipv6_proto;
456 __u8 ipv6_tclass; 456 __u8 ipv6_tclass;
457 __u8 ipv6_hlimit; 457 __u8 ipv6_hlimit;
458 __u8 ipv6_frag; /* One of OVS_ 458 __u8 ipv6_frag; /* One of OVS_FRAG_TYPE_*. */
459 }; 459 };
460 460
461 /* separate structure to support backward comp 461 /* separate structure to support backward compatibility with older user space */
462 struct ovs_key_ipv6_exthdrs { 462 struct ovs_key_ipv6_exthdrs {
463 __u16 hdrs; 463 __u16 hdrs;
464 }; 464 };
465 465
466 struct ovs_key_tcp { 466 struct ovs_key_tcp {
467 __be16 tcp_src; 467 __be16 tcp_src;
468 __be16 tcp_dst; 468 __be16 tcp_dst;
469 }; 469 };
470 470
471 struct ovs_key_udp { 471 struct ovs_key_udp {
472 __be16 udp_src; 472 __be16 udp_src;
473 __be16 udp_dst; 473 __be16 udp_dst;
474 }; 474 };
475 475
476 struct ovs_key_sctp { 476 struct ovs_key_sctp {
477 __be16 sctp_src; 477 __be16 sctp_src;
478 __be16 sctp_dst; 478 __be16 sctp_dst;
479 }; 479 };
480 480
481 struct ovs_key_icmp { 481 struct ovs_key_icmp {
482 __u8 icmp_type; 482 __u8 icmp_type;
483 __u8 icmp_code; 483 __u8 icmp_code;
484 }; 484 };
485 485
486 struct ovs_key_icmpv6 { 486 struct ovs_key_icmpv6 {
487 __u8 icmpv6_type; 487 __u8 icmpv6_type;
488 __u8 icmpv6_code; 488 __u8 icmpv6_code;
489 }; 489 };
490 490
491 struct ovs_key_arp { 491 struct ovs_key_arp {
492 __be32 arp_sip; 492 __be32 arp_sip;
493 __be32 arp_tip; 493 __be32 arp_tip;
494 __be16 arp_op; 494 __be16 arp_op;
495 __u8 arp_sha[ETH_ALEN]; 495 __u8 arp_sha[ETH_ALEN];
496 __u8 arp_tha[ETH_ALEN]; 496 __u8 arp_tha[ETH_ALEN];
497 }; 497 };
498 498
499 struct ovs_key_nd { 499 struct ovs_key_nd {
500 __be32 nd_target[4]; 500 __be32 nd_target[4];
501 __u8 nd_sll[ETH_ALEN]; 501 __u8 nd_sll[ETH_ALEN];
502 __u8 nd_tll[ETH_ALEN]; 502 __u8 nd_tll[ETH_ALEN];
503 }; 503 };
504 504
505 #define OVS_CT_LABELS_LEN_32 4 505 #define OVS_CT_LABELS_LEN_32 4
506 #define OVS_CT_LABELS_LEN (OVS_CT_LABELS 506 #define OVS_CT_LABELS_LEN (OVS_CT_LABELS_LEN_32 * sizeof(__u32))
507 struct ovs_key_ct_labels { 507 struct ovs_key_ct_labels {
508 union { 508 union {
509 __u8 ct_labels[OVS_CT_LABEL 509 __u8 ct_labels[OVS_CT_LABELS_LEN];
510 __u32 ct_labels_32[OVS_CT_LA 510 __u32 ct_labels_32[OVS_CT_LABELS_LEN_32];
511 }; 511 };
512 }; 512 };
513 513
514 /* OVS_KEY_ATTR_CT_STATE flags */ 514 /* OVS_KEY_ATTR_CT_STATE flags */
515 #define OVS_CS_F_NEW 0x01 /* Beg 515 #define OVS_CS_F_NEW 0x01 /* Beginning of a new connection. */
516 #define OVS_CS_F_ESTABLISHED 0x02 /* Par 516 #define OVS_CS_F_ESTABLISHED 0x02 /* Part of an existing connection. */
517 #define OVS_CS_F_RELATED 0x04 /* Rel 517 #define OVS_CS_F_RELATED 0x04 /* Related to an established
518 * con 518 * connection. */
519 #define OVS_CS_F_REPLY_DIR 0x08 /* Flo 519 #define OVS_CS_F_REPLY_DIR 0x08 /* Flow is in the reply direction. */
520 #define OVS_CS_F_INVALID 0x10 /* Cou 520 #define OVS_CS_F_INVALID 0x10 /* Could not track connection. */
521 #define OVS_CS_F_TRACKED 0x20 /* Con 521 #define OVS_CS_F_TRACKED 0x20 /* Conntrack has occurred. */
522 #define OVS_CS_F_SRC_NAT 0x40 /* Pac 522 #define OVS_CS_F_SRC_NAT 0x40 /* Packet's source address/port was
523 * man 523 * mangled by NAT.
524 */ 524 */
525 #define OVS_CS_F_DST_NAT 0x80 /* Pac 525 #define OVS_CS_F_DST_NAT 0x80 /* Packet's destination address/port
526 * was 526 * was mangled by NAT.
527 */ 527 */
528 528
529 #define OVS_CS_F_NAT_MASK (OVS_CS_F_SRC_NAT | 529 #define OVS_CS_F_NAT_MASK (OVS_CS_F_SRC_NAT | OVS_CS_F_DST_NAT)
530 530
531 struct ovs_key_ct_tuple_ipv4 { 531 struct ovs_key_ct_tuple_ipv4 {
532 __be32 ipv4_src; 532 __be32 ipv4_src;
533 __be32 ipv4_dst; 533 __be32 ipv4_dst;
534 __be16 src_port; 534 __be16 src_port;
535 __be16 dst_port; 535 __be16 dst_port;
536 __u8 ipv4_proto; 536 __u8 ipv4_proto;
537 }; 537 };
538 538
539 struct ovs_key_ct_tuple_ipv6 { 539 struct ovs_key_ct_tuple_ipv6 {
540 __be32 ipv6_src[4]; 540 __be32 ipv6_src[4];
541 __be32 ipv6_dst[4]; 541 __be32 ipv6_dst[4];
542 __be16 src_port; 542 __be16 src_port;
543 __be16 dst_port; 543 __be16 dst_port;
544 __u8 ipv6_proto; 544 __u8 ipv6_proto;
545 }; 545 };
546 546
547 enum ovs_nsh_key_attr { 547 enum ovs_nsh_key_attr {
548 OVS_NSH_KEY_ATTR_UNSPEC, 548 OVS_NSH_KEY_ATTR_UNSPEC,
549 OVS_NSH_KEY_ATTR_BASE, /* struct ovs_ 549 OVS_NSH_KEY_ATTR_BASE, /* struct ovs_nsh_key_base. */
550 OVS_NSH_KEY_ATTR_MD1, /* struct ovs_ 550 OVS_NSH_KEY_ATTR_MD1, /* struct ovs_nsh_key_md1. */
551 OVS_NSH_KEY_ATTR_MD2, /* variable-le 551 OVS_NSH_KEY_ATTR_MD2, /* variable-length octets for MD type 2. */
552 __OVS_NSH_KEY_ATTR_MAX 552 __OVS_NSH_KEY_ATTR_MAX
553 }; 553 };
554 554
555 #define OVS_NSH_KEY_ATTR_MAX (__OVS_NSH_KEY_AT 555 #define OVS_NSH_KEY_ATTR_MAX (__OVS_NSH_KEY_ATTR_MAX - 1)
556 556
557 struct ovs_nsh_key_base { 557 struct ovs_nsh_key_base {
558 __u8 flags; 558 __u8 flags;
559 __u8 ttl; 559 __u8 ttl;
560 __u8 mdtype; 560 __u8 mdtype;
561 __u8 np; 561 __u8 np;
562 __be32 path_hdr; 562 __be32 path_hdr;
563 }; 563 };
564 564
565 #define NSH_MD1_CONTEXT_SIZE 4 565 #define NSH_MD1_CONTEXT_SIZE 4
566 566
567 struct ovs_nsh_key_md1 { 567 struct ovs_nsh_key_md1 {
568 __be32 context[NSH_MD1_CONTEXT_SIZE]; 568 __be32 context[NSH_MD1_CONTEXT_SIZE];
569 }; 569 };
570 570
571 /** 571 /**
572 * enum ovs_flow_attr - attributes for %OVS_FL 572 * enum ovs_flow_attr - attributes for %OVS_FLOW_* commands.
573 * @OVS_FLOW_ATTR_KEY: Nested %OVS_KEY_ATTR_* 573 * @OVS_FLOW_ATTR_KEY: Nested %OVS_KEY_ATTR_* attributes specifying the flow
574 * key. Always present in notifications. Req 574 * key. Always present in notifications. Required for all requests (except
575 * dumps). 575 * dumps).
576 * @OVS_FLOW_ATTR_ACTIONS: Nested %OVS_ACTION_ 576 * @OVS_FLOW_ATTR_ACTIONS: Nested %OVS_ACTION_ATTR_* attributes specifying
577 * the actions to take for packets that match 577 * the actions to take for packets that match the key. Always present in
578 * notifications. Required for %OVS_FLOW_CMD_ 578 * notifications. Required for %OVS_FLOW_CMD_NEW requests, optional for
579 * %OVS_FLOW_CMD_SET requests. An %OVS_FLOW_C 579 * %OVS_FLOW_CMD_SET requests. An %OVS_FLOW_CMD_SET without
580 * %OVS_FLOW_ATTR_ACTIONS will not modify the 580 * %OVS_FLOW_ATTR_ACTIONS will not modify the actions. To clear the actions,
581 * an %OVS_FLOW_ATTR_ACTIONS without any neste 581 * an %OVS_FLOW_ATTR_ACTIONS without any nested attributes must be given.
582 * @OVS_FLOW_ATTR_STATS: &struct ovs_flow_stat 582 * @OVS_FLOW_ATTR_STATS: &struct ovs_flow_stats giving statistics for this
583 * flow. Present in notifications if the stat 583 * flow. Present in notifications if the stats would be nonzero. Ignored in
584 * requests. 584 * requests.
585 * @OVS_FLOW_ATTR_TCP_FLAGS: An 8-bit value gi 585 * @OVS_FLOW_ATTR_TCP_FLAGS: An 8-bit value giving the OR'd value of all of the
586 * TCP flags seen on packets in this flow. On 586 * TCP flags seen on packets in this flow. Only present in notifications for
587 * TCP flows, and only if it would be nonzero. 587 * TCP flows, and only if it would be nonzero. Ignored in requests.
588 * @OVS_FLOW_ATTR_USED: A 64-bit integer givin 588 * @OVS_FLOW_ATTR_USED: A 64-bit integer giving the time, in milliseconds on
589 * the system monotonic clock, at which a pack 589 * the system monotonic clock, at which a packet was last processed for this
590 * flow. Only present in notifications if a p 590 * flow. Only present in notifications if a packet has been processed for this
591 * flow. Ignored in requests. 591 * flow. Ignored in requests.
592 * @OVS_FLOW_ATTR_CLEAR: If present in a %OVS_ 592 * @OVS_FLOW_ATTR_CLEAR: If present in a %OVS_FLOW_CMD_SET request, clears the
593 * last-used time, accumulated TCP flags, and 593 * last-used time, accumulated TCP flags, and statistics for this flow.
594 * Otherwise ignored in requests. Never prese 594 * Otherwise ignored in requests. Never present in notifications.
595 * @OVS_FLOW_ATTR_MASK: Nested %OVS_KEY_ATTR_* 595 * @OVS_FLOW_ATTR_MASK: Nested %OVS_KEY_ATTR_* attributes specifying the
596 * mask bits for wildcarded flow match. Mask b 596 * mask bits for wildcarded flow match. Mask bit value '1' specifies exact
597 * match with corresponding flow key bit, whil 597 * match with corresponding flow key bit, while mask bit value '' specifies
598 * a wildcarded match. Omitting attribute is t 598 * a wildcarded match. Omitting attribute is treated as wildcarding all
599 * corresponding fields. Optional for all requ 599 * corresponding fields. Optional for all requests. If not present,
600 * all flow key bits are exact match bits. 600 * all flow key bits are exact match bits.
601 * @OVS_FLOW_ATTR_UFID: A value between 1-16 o 601 * @OVS_FLOW_ATTR_UFID: A value between 1-16 octets specifying a unique
602 * identifier for the flow. Causes the flow to 602 * identifier for the flow. Causes the flow to be indexed by this value rather
603 * than the value of the %OVS_FLOW_ATTR_KEY at 603 * than the value of the %OVS_FLOW_ATTR_KEY attribute. Optional for all
604 * requests. Present in notifications if the f 604 * requests. Present in notifications if the flow was created with this
605 * attribute. 605 * attribute.
606 * @OVS_FLOW_ATTR_UFID_FLAGS: A 32-bit value o 606 * @OVS_FLOW_ATTR_UFID_FLAGS: A 32-bit value of OR'd %OVS_UFID_F_*
607 * flags that provide alternative semantics fo 607 * flags that provide alternative semantics for flow installation and
608 * retrieval. Optional for all requests. 608 * retrieval. Optional for all requests.
609 * 609 *
610 * These attributes follow the &struct ovs_hea 610 * These attributes follow the &struct ovs_header within the Generic Netlink
611 * payload for %OVS_FLOW_* commands. 611 * payload for %OVS_FLOW_* commands.
612 */ 612 */
613 enum ovs_flow_attr { 613 enum ovs_flow_attr {
614 OVS_FLOW_ATTR_UNSPEC, 614 OVS_FLOW_ATTR_UNSPEC,
615 OVS_FLOW_ATTR_KEY, /* Sequence o 615 OVS_FLOW_ATTR_KEY, /* Sequence of OVS_KEY_ATTR_* attributes. */
616 OVS_FLOW_ATTR_ACTIONS, /* Nested OVS 616 OVS_FLOW_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */
617 OVS_FLOW_ATTR_STATS, /* struct ovs 617 OVS_FLOW_ATTR_STATS, /* struct ovs_flow_stats. */
618 OVS_FLOW_ATTR_TCP_FLAGS, /* 8-bit OR'd 618 OVS_FLOW_ATTR_TCP_FLAGS, /* 8-bit OR'd TCP flags. */
619 OVS_FLOW_ATTR_USED, /* u64 msecs 619 OVS_FLOW_ATTR_USED, /* u64 msecs last used in monotonic time. */
620 OVS_FLOW_ATTR_CLEAR, /* Flag to cl 620 OVS_FLOW_ATTR_CLEAR, /* Flag to clear stats, tcp_flags, used. */
621 OVS_FLOW_ATTR_MASK, /* Sequence o 621 OVS_FLOW_ATTR_MASK, /* Sequence of OVS_KEY_ATTR_* attributes. */
622 OVS_FLOW_ATTR_PROBE, /* Flow opera 622 OVS_FLOW_ATTR_PROBE, /* Flow operation is a feature probe, error
623 * logging sh 623 * logging should be suppressed. */
624 OVS_FLOW_ATTR_UFID, /* Variable l 624 OVS_FLOW_ATTR_UFID, /* Variable length unique flow identifier. */
625 OVS_FLOW_ATTR_UFID_FLAGS,/* u32 of OVS 625 OVS_FLOW_ATTR_UFID_FLAGS,/* u32 of OVS_UFID_F_*. */
626 OVS_FLOW_ATTR_PAD, 626 OVS_FLOW_ATTR_PAD,
627 __OVS_FLOW_ATTR_MAX 627 __OVS_FLOW_ATTR_MAX
628 }; 628 };
629 629
630 #define OVS_FLOW_ATTR_MAX (__OVS_FLOW_ATTR_MAX 630 #define OVS_FLOW_ATTR_MAX (__OVS_FLOW_ATTR_MAX - 1)
631 631
632 /** 632 /**
633 * Omit attributes for notifications. 633 * Omit attributes for notifications.
634 * 634 *
635 * If a datapath request contains an %OVS_UFID 635 * If a datapath request contains an %OVS_UFID_F_OMIT_* flag, then the datapath
636 * may omit the corresponding %OVS_FLOW_ATTR_* 636 * may omit the corresponding %OVS_FLOW_ATTR_* from the response.
637 */ 637 */
638 #define OVS_UFID_F_OMIT_KEY (1 << 0) 638 #define OVS_UFID_F_OMIT_KEY (1 << 0)
639 #define OVS_UFID_F_OMIT_MASK (1 << 1) 639 #define OVS_UFID_F_OMIT_MASK (1 << 1)
640 #define OVS_UFID_F_OMIT_ACTIONS (1 << 2) 640 #define OVS_UFID_F_OMIT_ACTIONS (1 << 2)
641 641
642 /** 642 /**
643 * enum ovs_sample_attr - Attributes for %OVS_ 643 * enum ovs_sample_attr - Attributes for %OVS_ACTION_ATTR_SAMPLE action.
644 * @OVS_SAMPLE_ATTR_PROBABILITY: 32-bit fracti 644 * @OVS_SAMPLE_ATTR_PROBABILITY: 32-bit fraction of packets to sample with
645 * @OVS_ACTION_ATTR_SAMPLE. A value of 0 samp 645 * @OVS_ACTION_ATTR_SAMPLE. A value of 0 samples no packets, a value of
646 * %UINT32_MAX samples all packets and interme 646 * %UINT32_MAX samples all packets and intermediate values sample intermediate
647 * fractions of packets. 647 * fractions of packets.
648 * @OVS_SAMPLE_ATTR_ACTIONS: Set of actions to 648 * @OVS_SAMPLE_ATTR_ACTIONS: Set of actions to execute in sampling event.
649 * Actions are passed as nested attributes. 649 * Actions are passed as nested attributes.
650 * 650 *
651 * Executes the specified actions with the giv 651 * Executes the specified actions with the given probability on a per-packet
652 * basis. Nested actions will be able to acces 652 * basis. Nested actions will be able to access the probability value of the
653 * parent @OVS_ACTION_ATTR_SAMPLE. 653 * parent @OVS_ACTION_ATTR_SAMPLE.
654 */ 654 */
655 enum ovs_sample_attr { 655 enum ovs_sample_attr {
656 OVS_SAMPLE_ATTR_UNSPEC, 656 OVS_SAMPLE_ATTR_UNSPEC,
657 OVS_SAMPLE_ATTR_PROBABILITY, /* u32 nu 657 OVS_SAMPLE_ATTR_PROBABILITY, /* u32 number */
658 OVS_SAMPLE_ATTR_ACTIONS, /* Nested 658 OVS_SAMPLE_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */
659 __OVS_SAMPLE_ATTR_MAX, 659 __OVS_SAMPLE_ATTR_MAX,
660 660
661 #ifdef __KERNEL__ 661 #ifdef __KERNEL__
662 OVS_SAMPLE_ATTR_ARG /* struct 662 OVS_SAMPLE_ATTR_ARG /* struct sample_arg */
663 #endif 663 #endif
664 }; 664 };
665 665
666 #define OVS_SAMPLE_ATTR_MAX (__OVS_SAMPLE_ATTR 666 #define OVS_SAMPLE_ATTR_MAX (__OVS_SAMPLE_ATTR_MAX - 1)
667 667
668 #ifdef __KERNEL__ 668 #ifdef __KERNEL__
669 struct sample_arg { 669 struct sample_arg {
670 bool exec; /* When t 670 bool exec; /* When true, actions in sample will not
671 * change 671 * change flow keys. False otherwise.
672 */ 672 */
673 u32 probability; /* Same v 673 u32 probability; /* Same value as
674 * 'OVS_S 674 * 'OVS_SAMPLE_ATTR_PROBABILITY'.
675 */ 675 */
676 }; 676 };
677 #endif 677 #endif
678 678
679 /** 679 /**
680 * enum ovs_userspace_attr - Attributes for %O 680 * enum ovs_userspace_attr - Attributes for %OVS_ACTION_ATTR_USERSPACE action.
681 * @OVS_USERSPACE_ATTR_PID: u32 Netlink PID to 681 * @OVS_USERSPACE_ATTR_PID: u32 Netlink PID to which the %OVS_PACKET_CMD_ACTION
682 * message should be sent. Required. 682 * message should be sent. Required.
683 * @OVS_USERSPACE_ATTR_USERDATA: If present, i 683 * @OVS_USERSPACE_ATTR_USERDATA: If present, its variable-length argument is
684 * copied to the %OVS_PACKET_CMD_ACTION messag 684 * copied to the %OVS_PACKET_CMD_ACTION message as %OVS_PACKET_ATTR_USERDATA.
685 * @OVS_USERSPACE_ATTR_EGRESS_TUN_PORT: If pre 685 * @OVS_USERSPACE_ATTR_EGRESS_TUN_PORT: If present, u32 output port to get
686 * tunnel info. 686 * tunnel info.
687 * @OVS_USERSPACE_ATTR_ACTIONS: If present, se 687 * @OVS_USERSPACE_ATTR_ACTIONS: If present, send actions with upcall.
688 */ 688 */
689 enum ovs_userspace_attr { 689 enum ovs_userspace_attr {
690 OVS_USERSPACE_ATTR_UNSPEC, 690 OVS_USERSPACE_ATTR_UNSPEC,
691 OVS_USERSPACE_ATTR_PID, /* u32 N 691 OVS_USERSPACE_ATTR_PID, /* u32 Netlink PID to receive upcalls. */
692 OVS_USERSPACE_ATTR_USERDATA, /* Optio 692 OVS_USERSPACE_ATTR_USERDATA, /* Optional user-specified cookie. */
693 OVS_USERSPACE_ATTR_EGRESS_TUN_PORT, / 693 OVS_USERSPACE_ATTR_EGRESS_TUN_PORT, /* Optional, u32 output port
694 694 * to get tunnel info. */
695 OVS_USERSPACE_ATTR_ACTIONS, /* Optio 695 OVS_USERSPACE_ATTR_ACTIONS, /* Optional flag to get actions. */
696 __OVS_USERSPACE_ATTR_MAX 696 __OVS_USERSPACE_ATTR_MAX
697 }; 697 };
698 698
699 #define OVS_USERSPACE_ATTR_MAX (__OVS_USERSPAC 699 #define OVS_USERSPACE_ATTR_MAX (__OVS_USERSPACE_ATTR_MAX - 1)
700 700
701 struct ovs_action_trunc { 701 struct ovs_action_trunc {
702 __u32 max_len; /* Max packet size in b 702 __u32 max_len; /* Max packet size in bytes. */
703 }; 703 };
704 704
705 /** 705 /**
706 * struct ovs_action_push_mpls - %OVS_ACTION_A 706 * struct ovs_action_push_mpls - %OVS_ACTION_ATTR_PUSH_MPLS action argument.
707 * @mpls_lse: MPLS label stack entry to push. 707 * @mpls_lse: MPLS label stack entry to push.
708 * @mpls_ethertype: Ethertype to set in the en 708 * @mpls_ethertype: Ethertype to set in the encapsulating ethernet frame.
709 * 709 *
710 * The only values @mpls_ethertype should ever 710 * The only values @mpls_ethertype should ever be given are %ETH_P_MPLS_UC and
711 * %ETH_P_MPLS_MC, indicating MPLS unicast or 711 * %ETH_P_MPLS_MC, indicating MPLS unicast or multicast. Other are rejected.
712 */ 712 */
713 struct ovs_action_push_mpls { 713 struct ovs_action_push_mpls {
714 __be32 mpls_lse; 714 __be32 mpls_lse;
715 __be16 mpls_ethertype; /* Either %ETH_ 715 __be16 mpls_ethertype; /* Either %ETH_P_MPLS_UC or %ETH_P_MPLS_MC */
716 }; 716 };
717 717
718 /** 718 /**
719 * struct ovs_action_add_mpls - %OVS_ACTION_AT 719 * struct ovs_action_add_mpls - %OVS_ACTION_ATTR_ADD_MPLS action
720 * argument. 720 * argument.
721 * @mpls_lse: MPLS label stack entry to push. 721 * @mpls_lse: MPLS label stack entry to push.
722 * @mpls_ethertype: Ethertype to set in the en 722 * @mpls_ethertype: Ethertype to set in the encapsulating ethernet frame.
723 * @tun_flags: MPLS tunnel attributes. 723 * @tun_flags: MPLS tunnel attributes.
724 * 724 *
725 * The only values @mpls_ethertype should ever 725 * The only values @mpls_ethertype should ever be given are %ETH_P_MPLS_UC and
726 * %ETH_P_MPLS_MC, indicating MPLS unicast or 726 * %ETH_P_MPLS_MC, indicating MPLS unicast or multicast. Other are rejected.
727 */ 727 */
728 struct ovs_action_add_mpls { 728 struct ovs_action_add_mpls {
729 __be32 mpls_lse; 729 __be32 mpls_lse;
730 __be16 mpls_ethertype; /* Either %ETH_ 730 __be16 mpls_ethertype; /* Either %ETH_P_MPLS_UC or %ETH_P_MPLS_MC */
731 __u16 tun_flags; 731 __u16 tun_flags;
732 }; 732 };
733 733
734 #define OVS_MPLS_L3_TUNNEL_FLAG_MASK (1 << 0) 734 #define OVS_MPLS_L3_TUNNEL_FLAG_MASK (1 << 0) /* Flag to specify the place of
735 735 * insertion of MPLS header.
736 736 * When false, the MPLS header
737 737 * will be inserted at the start
738 738 * of the packet.
739 739 * When true, the MPLS header
740 740 * will be inserted at the start
741 741 * of the l3 header.
742 742 */
743 743
744 /** 744 /**
745 * struct ovs_action_push_vlan - %OVS_ACTION_A 745 * struct ovs_action_push_vlan - %OVS_ACTION_ATTR_PUSH_VLAN action argument.
746 * @vlan_tpid: Tag protocol identifier (TPID) 746 * @vlan_tpid: Tag protocol identifier (TPID) to push.
747 * @vlan_tci: Tag control identifier (TCI) to 747 * @vlan_tci: Tag control identifier (TCI) to push. The CFI bit must be set
748 * (but it will not be set in the 802.1Q heade 748 * (but it will not be set in the 802.1Q header that is pushed).
749 * 749 *
750 * The @vlan_tpid value is typically %ETH_P_80 750 * The @vlan_tpid value is typically %ETH_P_8021Q or %ETH_P_8021AD.
751 * The only acceptable TPID values are those t 751 * The only acceptable TPID values are those that the kernel module also parses
752 * as 802.1Q or 802.1AD headers, to prevent %O 752 * as 802.1Q or 802.1AD headers, to prevent %OVS_ACTION_ATTR_PUSH_VLAN followed
753 * by %OVS_ACTION_ATTR_POP_VLAN from having su 753 * by %OVS_ACTION_ATTR_POP_VLAN from having surprising results.
754 */ 754 */
755 struct ovs_action_push_vlan { 755 struct ovs_action_push_vlan {
756 __be16 vlan_tpid; /* 802.1Q or 8 756 __be16 vlan_tpid; /* 802.1Q or 802.1ad TPID. */
757 __be16 vlan_tci; /* 802.1Q TCI 757 __be16 vlan_tci; /* 802.1Q TCI (VLAN ID and priority). */
758 }; 758 };
759 759
760 /* Data path hash algorithm for computing Data 760 /* Data path hash algorithm for computing Datapath hash.
761 * 761 *
762 * The algorithm type only specifies the field 762 * The algorithm type only specifies the fields in a flow
763 * will be used as part of the hash. Each data 763 * will be used as part of the hash. Each datapath is free
764 * to use its own hash algorithm. The hash val 764 * to use its own hash algorithm. The hash value will be
765 * opaque to the user space daemon. 765 * opaque to the user space daemon.
766 */ 766 */
767 enum ovs_hash_alg { 767 enum ovs_hash_alg {
768 OVS_HASH_ALG_L4, 768 OVS_HASH_ALG_L4,
769 OVS_HASH_ALG_SYM_L4, 769 OVS_HASH_ALG_SYM_L4,
770 }; 770 };
771 771
772 /* 772 /*
773 * struct ovs_action_hash - %OVS_ACTION_ATTR_H 773 * struct ovs_action_hash - %OVS_ACTION_ATTR_HASH action argument.
774 * @hash_alg: Algorithm used to compute hash p 774 * @hash_alg: Algorithm used to compute hash prior to recirculation.
775 * @hash_basis: basis used for computing hash. 775 * @hash_basis: basis used for computing hash.
776 */ 776 */
777 struct ovs_action_hash { 777 struct ovs_action_hash {
778 __u32 hash_alg; /* One of ovs_has 778 __u32 hash_alg; /* One of ovs_hash_alg. */
779 __u32 hash_basis; 779 __u32 hash_basis;
780 }; 780 };
781 781
782 /** 782 /**
783 * enum ovs_ct_attr - Attributes for %OVS_ACTI 783 * enum ovs_ct_attr - Attributes for %OVS_ACTION_ATTR_CT action.
784 * @OVS_CT_ATTR_COMMIT: If present, commits th 784 * @OVS_CT_ATTR_COMMIT: If present, commits the connection to the conntrack
785 * table. This allows future packets for the s 785 * table. This allows future packets for the same connection to be identified
786 * as 'established' or 'related'. The flow key 786 * as 'established' or 'related'. The flow key for the current packet will
787 * retain the pre-commit connection state. 787 * retain the pre-commit connection state.
788 * @OVS_CT_ATTR_ZONE: u16 connection tracking 788 * @OVS_CT_ATTR_ZONE: u16 connection tracking zone.
789 * @OVS_CT_ATTR_MARK: u32 value followed by u3 789 * @OVS_CT_ATTR_MARK: u32 value followed by u32 mask. For each bit set in the
790 * mask, the corresponding bit in the value is 790 * mask, the corresponding bit in the value is copied to the connection
791 * tracking mark field in the connection. 791 * tracking mark field in the connection.
792 * @OVS_CT_ATTR_LABELS: %OVS_CT_LABELS_LEN val 792 * @OVS_CT_ATTR_LABELS: %OVS_CT_LABELS_LEN value followed by %OVS_CT_LABELS_LEN
793 * mask. For each bit set in the mask, the cor 793 * mask. For each bit set in the mask, the corresponding bit in the value is
794 * copied to the connection tracking label fie 794 * copied to the connection tracking label field in the connection.
795 * @OVS_CT_ATTR_HELPER: variable length string 795 * @OVS_CT_ATTR_HELPER: variable length string defining conntrack ALG.
796 * @OVS_CT_ATTR_NAT: Nested OVS_NAT_ATTR_* for 796 * @OVS_CT_ATTR_NAT: Nested OVS_NAT_ATTR_* for performing L3 network address
797 * translation (NAT) on the packet. 797 * translation (NAT) on the packet.
798 * @OVS_CT_ATTR_FORCE_COMMIT: Like %OVS_CT_ATT 798 * @OVS_CT_ATTR_FORCE_COMMIT: Like %OVS_CT_ATTR_COMMIT, but instead of doing
799 * nothing if the connection is already commit 799 * nothing if the connection is already committed will check that the current
800 * packet is in conntrack entry's original dir 800 * packet is in conntrack entry's original direction. If directionality does
801 * not match, will delete the existing conntra 801 * not match, will delete the existing conntrack entry and commit a new one.
802 * @OVS_CT_ATTR_EVENTMASK: Mask of bits indica 802 * @OVS_CT_ATTR_EVENTMASK: Mask of bits indicating which conntrack event types
803 * (enum ip_conntrack_events IPCT_*) should be 803 * (enum ip_conntrack_events IPCT_*) should be reported. For any bit set to
804 * zero, the corresponding event type is not g 804 * zero, the corresponding event type is not generated. Default behavior
805 * depends on system configuration, but typica 805 * depends on system configuration, but typically all event types are
806 * generated, hence listening on NFNLGRP_CONNT 806 * generated, hence listening on NFNLGRP_CONNTRACK_UPDATE events may get a lot
807 * of events. Explicitly passing this attribu 807 * of events. Explicitly passing this attribute allows limiting the updates
808 * received to the events of interest. The bi 808 * received to the events of interest. The bit 1 << IPCT_NEW, 1 <<
809 * IPCT_RELATED, and 1 << IPCT_DESTROY must be 809 * IPCT_RELATED, and 1 << IPCT_DESTROY must be set to ones for those events to
810 * be received on NFNLGRP_CONNTRACK_NEW and NF 810 * be received on NFNLGRP_CONNTRACK_NEW and NFNLGRP_CONNTRACK_DESTROY groups,
811 * respectively. Remaining bits control the c 811 * respectively. Remaining bits control the changes for which an event is
812 * delivered on the NFNLGRP_CONNTRACK_UPDATE g 812 * delivered on the NFNLGRP_CONNTRACK_UPDATE group.
813 * @OVS_CT_ATTR_TIMEOUT: Variable length strin 813 * @OVS_CT_ATTR_TIMEOUT: Variable length string defining conntrack timeout.
814 */ 814 */
815 enum ovs_ct_attr { 815 enum ovs_ct_attr {
816 OVS_CT_ATTR_UNSPEC, 816 OVS_CT_ATTR_UNSPEC,
817 OVS_CT_ATTR_COMMIT, /* No argument 817 OVS_CT_ATTR_COMMIT, /* No argument, commits connection. */
818 OVS_CT_ATTR_ZONE, /* u16 zone id 818 OVS_CT_ATTR_ZONE, /* u16 zone id. */
819 OVS_CT_ATTR_MARK, /* mark to ass 819 OVS_CT_ATTR_MARK, /* mark to associate with this connection. */
820 OVS_CT_ATTR_LABELS, /* labels to a 820 OVS_CT_ATTR_LABELS, /* labels to associate with this connection. */
821 OVS_CT_ATTR_HELPER, /* netlink hel 821 OVS_CT_ATTR_HELPER, /* netlink helper to assist detection of
822 related con 822 related connections. */
823 OVS_CT_ATTR_NAT, /* Nested OVS_ 823 OVS_CT_ATTR_NAT, /* Nested OVS_NAT_ATTR_* */
824 OVS_CT_ATTR_FORCE_COMMIT, /* No argum 824 OVS_CT_ATTR_FORCE_COMMIT, /* No argument */
825 OVS_CT_ATTR_EVENTMASK, /* u32 mask of 825 OVS_CT_ATTR_EVENTMASK, /* u32 mask of IPCT_* events. */
826 OVS_CT_ATTR_TIMEOUT, /* Associate t 826 OVS_CT_ATTR_TIMEOUT, /* Associate timeout with this connection for
827 * fine-grain 827 * fine-grain timeout tuning. */
828 __OVS_CT_ATTR_MAX 828 __OVS_CT_ATTR_MAX
829 }; 829 };
830 830
831 #define OVS_CT_ATTR_MAX (__OVS_CT_ATTR_MAX - 1 831 #define OVS_CT_ATTR_MAX (__OVS_CT_ATTR_MAX - 1)
832 832
833 /** 833 /**
834 * enum ovs_nat_attr - Attributes for %OVS_CT_ 834 * enum ovs_nat_attr - Attributes for %OVS_CT_ATTR_NAT.
835 * 835 *
836 * @OVS_NAT_ATTR_SRC: Flag for Source NAT (man 836 * @OVS_NAT_ATTR_SRC: Flag for Source NAT (mangle source address/port).
837 * @OVS_NAT_ATTR_DST: Flag for Destination NAT 837 * @OVS_NAT_ATTR_DST: Flag for Destination NAT (mangle destination
838 * address/port). Only one of (@OVS_NAT_ATTR_ 838 * address/port). Only one of (@OVS_NAT_ATTR_SRC, @OVS_NAT_ATTR_DST) may be
839 * specified. Effective only for packets for 839 * specified. Effective only for packets for ct_state NEW connections.
840 * Packets of committed connections are mangle 840 * Packets of committed connections are mangled by the NAT action according to
841 * the committed NAT type regardless of the fl 841 * the committed NAT type regardless of the flags specified. As a corollary, a
842 * NAT action without a NAT type flag will onl 842 * NAT action without a NAT type flag will only mangle packets of committed
843 * connections. The following NAT attributes 843 * connections. The following NAT attributes only apply for NEW
844 * (non-committed) connections, and they may b 844 * (non-committed) connections, and they may be included only when the CT
845 * action has the @OVS_CT_ATTR_COMMIT flag and 845 * action has the @OVS_CT_ATTR_COMMIT flag and either @OVS_NAT_ATTR_SRC or
846 * @OVS_NAT_ATTR_DST is also included. 846 * @OVS_NAT_ATTR_DST is also included.
847 * @OVS_NAT_ATTR_IP_MIN: struct in_addr or str 847 * @OVS_NAT_ATTR_IP_MIN: struct in_addr or struct in6_addr
848 * @OVS_NAT_ATTR_IP_MAX: struct in_addr or str 848 * @OVS_NAT_ATTR_IP_MAX: struct in_addr or struct in6_addr
849 * @OVS_NAT_ATTR_PROTO_MIN: u16 L4 protocol sp 849 * @OVS_NAT_ATTR_PROTO_MIN: u16 L4 protocol specific lower boundary (port)
850 * @OVS_NAT_ATTR_PROTO_MAX: u16 L4 protocol sp 850 * @OVS_NAT_ATTR_PROTO_MAX: u16 L4 protocol specific upper boundary (port)
851 * @OVS_NAT_ATTR_PERSISTENT: Flag for persiste 851 * @OVS_NAT_ATTR_PERSISTENT: Flag for persistent IP mapping across reboots
852 * @OVS_NAT_ATTR_PROTO_HASH: Flag for pseudo r 852 * @OVS_NAT_ATTR_PROTO_HASH: Flag for pseudo random L4 port mapping (MD5)
853 * @OVS_NAT_ATTR_PROTO_RANDOM: Flag for fully 853 * @OVS_NAT_ATTR_PROTO_RANDOM: Flag for fully randomized L4 port mapping
854 */ 854 */
855 enum ovs_nat_attr { 855 enum ovs_nat_attr {
856 OVS_NAT_ATTR_UNSPEC, 856 OVS_NAT_ATTR_UNSPEC,
857 OVS_NAT_ATTR_SRC, 857 OVS_NAT_ATTR_SRC,
858 OVS_NAT_ATTR_DST, 858 OVS_NAT_ATTR_DST,
859 OVS_NAT_ATTR_IP_MIN, 859 OVS_NAT_ATTR_IP_MIN,
860 OVS_NAT_ATTR_IP_MAX, 860 OVS_NAT_ATTR_IP_MAX,
861 OVS_NAT_ATTR_PROTO_MIN, 861 OVS_NAT_ATTR_PROTO_MIN,
862 OVS_NAT_ATTR_PROTO_MAX, 862 OVS_NAT_ATTR_PROTO_MAX,
863 OVS_NAT_ATTR_PERSISTENT, 863 OVS_NAT_ATTR_PERSISTENT,
864 OVS_NAT_ATTR_PROTO_HASH, 864 OVS_NAT_ATTR_PROTO_HASH,
865 OVS_NAT_ATTR_PROTO_RANDOM, 865 OVS_NAT_ATTR_PROTO_RANDOM,
866 __OVS_NAT_ATTR_MAX, 866 __OVS_NAT_ATTR_MAX,
867 }; 867 };
868 868
869 #define OVS_NAT_ATTR_MAX (__OVS_NAT_ATTR_MAX - 869 #define OVS_NAT_ATTR_MAX (__OVS_NAT_ATTR_MAX - 1)
870 870
871 /* 871 /*
872 * struct ovs_action_push_eth - %OVS_ACTION_AT 872 * struct ovs_action_push_eth - %OVS_ACTION_ATTR_PUSH_ETH action argument.
873 * @addresses: Source and destination MAC addr 873 * @addresses: Source and destination MAC addresses.
874 * @eth_type: Ethernet type 874 * @eth_type: Ethernet type
875 */ 875 */
876 struct ovs_action_push_eth { 876 struct ovs_action_push_eth {
877 struct ovs_key_ethernet addresses; 877 struct ovs_key_ethernet addresses;
878 }; 878 };
879 879
880 /* 880 /*
881 * enum ovs_check_pkt_len_attr - Attributes fo 881 * enum ovs_check_pkt_len_attr - Attributes for %OVS_ACTION_ATTR_CHECK_PKT_LEN.
882 * 882 *
883 * @OVS_CHECK_PKT_LEN_ATTR_PKT_LEN: u16 Packet 883 * @OVS_CHECK_PKT_LEN_ATTR_PKT_LEN: u16 Packet length to check for.
884 * @OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_GREATER: 884 * @OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_GREATER: Nested OVS_ACTION_ATTR_*
885 * actions to apply if the packer length is gr 885 * actions to apply if the packer length is greater than the specified
886 * length in the attr - OVS_CHECK_PKT_LEN_ATTR 886 * length in the attr - OVS_CHECK_PKT_LEN_ATTR_PKT_LEN.
887 * @OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_LESS_EQU 887 * @OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_LESS_EQUAL - Nested OVS_ACTION_ATTR_*
888 * actions to apply if the packer length is le 888 * actions to apply if the packer length is lesser or equal to the specified
889 * length in the attr - OVS_CHECK_PKT_LEN_ATTR 889 * length in the attr - OVS_CHECK_PKT_LEN_ATTR_PKT_LEN.
890 */ 890 */
891 enum ovs_check_pkt_len_attr { 891 enum ovs_check_pkt_len_attr {
892 OVS_CHECK_PKT_LEN_ATTR_UNSPEC, 892 OVS_CHECK_PKT_LEN_ATTR_UNSPEC,
893 OVS_CHECK_PKT_LEN_ATTR_PKT_LEN, 893 OVS_CHECK_PKT_LEN_ATTR_PKT_LEN,
894 OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_GREA 894 OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_GREATER,
895 OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_LESS 895 OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_LESS_EQUAL,
896 __OVS_CHECK_PKT_LEN_ATTR_MAX, 896 __OVS_CHECK_PKT_LEN_ATTR_MAX,
897 897
898 #ifdef __KERNEL__ 898 #ifdef __KERNEL__
899 OVS_CHECK_PKT_LEN_ATTR_ARG /* 899 OVS_CHECK_PKT_LEN_ATTR_ARG /* struct check_pkt_len_arg */
900 #endif 900 #endif
901 }; 901 };
902 902
903 #define OVS_CHECK_PKT_LEN_ATTR_MAX (__OVS_CHEC 903 #define OVS_CHECK_PKT_LEN_ATTR_MAX (__OVS_CHECK_PKT_LEN_ATTR_MAX - 1)
904 904
905 #ifdef __KERNEL__ 905 #ifdef __KERNEL__
906 struct check_pkt_len_arg { 906 struct check_pkt_len_arg {
907 u16 pkt_len; /* Same value as OVS_C 907 u16 pkt_len; /* Same value as OVS_CHECK_PKT_LEN_ATTR_PKT_LEN'. */
908 bool exec_for_greater; /* When true, 908 bool exec_for_greater; /* When true, actions in IF_GREATER will
909 * not change 909 * not change flow keys. False otherwise.
910 */ 910 */
911 bool exec_for_lesser_equal; /* When tr 911 bool exec_for_lesser_equal; /* When true, actions in IF_LESS_EQUAL
912 * will no 912 * will not change flow keys. False
913 * otherwi 913 * otherwise.
914 */ 914 */
915 }; 915 };
916 #endif 916 #endif
917 917
918 #define OVS_PSAMPLE_COOKIE_MAX_SIZE 16 918 #define OVS_PSAMPLE_COOKIE_MAX_SIZE 16
919 /** 919 /**
920 * enum ovs_psample_attr - Attributes for %OVS 920 * enum ovs_psample_attr - Attributes for %OVS_ACTION_ATTR_PSAMPLE
921 * action. 921 * action.
922 * 922 *
923 * @OVS_PSAMPLE_ATTR_GROUP: 32-bit number to i 923 * @OVS_PSAMPLE_ATTR_GROUP: 32-bit number to identify the source of the
924 * sample. 924 * sample.
925 * @OVS_PSAMPLE_ATTR_COOKIE: An optional varia 925 * @OVS_PSAMPLE_ATTR_COOKIE: An optional variable-length binary cookie that
926 * contains user-defined metadata. The maximum 926 * contains user-defined metadata. The maximum length is
927 * OVS_PSAMPLE_COOKIE_MAX_SIZE bytes. 927 * OVS_PSAMPLE_COOKIE_MAX_SIZE bytes.
928 * 928 *
929 * Sends the packet to the psample multicast g 929 * Sends the packet to the psample multicast group with the specified group and
930 * cookie. It is possible to combine this acti 930 * cookie. It is possible to combine this action with the
931 * %OVS_ACTION_ATTR_TRUNC action to limit the 931 * %OVS_ACTION_ATTR_TRUNC action to limit the size of the sample.
932 */ 932 */
933 enum ovs_psample_attr { 933 enum ovs_psample_attr {
934 OVS_PSAMPLE_ATTR_GROUP = 1, /* u32 934 OVS_PSAMPLE_ATTR_GROUP = 1, /* u32 number. */
935 OVS_PSAMPLE_ATTR_COOKIE, /* Opt 935 OVS_PSAMPLE_ATTR_COOKIE, /* Optional, user specified cookie. */
936 936
937 /* private: */ 937 /* private: */
938 __OVS_PSAMPLE_ATTR_MAX 938 __OVS_PSAMPLE_ATTR_MAX
939 }; 939 };
940 940
941 #define OVS_PSAMPLE_ATTR_MAX (__OVS_PSAMPLE_AT 941 #define OVS_PSAMPLE_ATTR_MAX (__OVS_PSAMPLE_ATTR_MAX - 1)
942 942
943 /** 943 /**
944 * enum ovs_action_attr - Action types. 944 * enum ovs_action_attr - Action types.
945 * 945 *
946 * @OVS_ACTION_ATTR_OUTPUT: Output packet to p 946 * @OVS_ACTION_ATTR_OUTPUT: Output packet to port.
947 * @OVS_ACTION_ATTR_TRUNC: Output packet to po 947 * @OVS_ACTION_ATTR_TRUNC: Output packet to port with truncated packet size.
948 * @OVS_ACTION_ATTR_USERSPACE: Send packet to 948 * @OVS_ACTION_ATTR_USERSPACE: Send packet to userspace according to nested
949 * %OVS_USERSPACE_ATTR_* attributes. 949 * %OVS_USERSPACE_ATTR_* attributes.
950 * @OVS_ACTION_ATTR_SET: Replaces the contents 950 * @OVS_ACTION_ATTR_SET: Replaces the contents of an existing header. The
951 * single nested %OVS_KEY_ATTR_* attribute spe 951 * single nested %OVS_KEY_ATTR_* attribute specifies a header to modify and its
952 * value. 952 * value.
953 * @OVS_ACTION_ATTR_SET_MASKED: Replaces the c 953 * @OVS_ACTION_ATTR_SET_MASKED: Replaces the contents of an existing header. A
954 * nested %OVS_KEY_ATTR_* attribute specifies 954 * nested %OVS_KEY_ATTR_* attribute specifies a header to modify, its value,
955 * and a mask. For every bit set in the mask, 955 * and a mask. For every bit set in the mask, the corresponding bit value
956 * is copied from the value to the packet head 956 * is copied from the value to the packet header field, rest of the bits are
957 * left unchanged. The non-masked value bits 957 * left unchanged. The non-masked value bits must be passed in as zeroes.
958 * Masking is not supported for the %OVS_KEY_A 958 * Masking is not supported for the %OVS_KEY_ATTR_TUNNEL attribute.
959 * @OVS_ACTION_ATTR_PUSH_VLAN: Push a new oute 959 * @OVS_ACTION_ATTR_PUSH_VLAN: Push a new outermost 802.1Q or 802.1ad header
960 * onto the packet. 960 * onto the packet.
961 * @OVS_ACTION_ATTR_POP_VLAN: Pop the outermos 961 * @OVS_ACTION_ATTR_POP_VLAN: Pop the outermost 802.1Q or 802.1ad header
962 * from the packet. 962 * from the packet.
963 * @OVS_ACTION_ATTR_SAMPLE: Probabilitically e 963 * @OVS_ACTION_ATTR_SAMPLE: Probabilitically executes actions, as specified in
964 * the nested %OVS_SAMPLE_ATTR_* attributes. 964 * the nested %OVS_SAMPLE_ATTR_* attributes.
965 * @OVS_ACTION_ATTR_PUSH_MPLS: Push a new MPLS 965 * @OVS_ACTION_ATTR_PUSH_MPLS: Push a new MPLS label stack entry onto the
966 * top of the packets MPLS label stack. Set t 966 * top of the packets MPLS label stack. Set the ethertype of the
967 * encapsulating frame to either %ETH_P_MPLS_U 967 * encapsulating frame to either %ETH_P_MPLS_UC or %ETH_P_MPLS_MC to
968 * indicate the new packet contents. 968 * indicate the new packet contents.
969 * @OVS_ACTION_ATTR_POP_MPLS: Pop an MPLS labe 969 * @OVS_ACTION_ATTR_POP_MPLS: Pop an MPLS label stack entry off of the
970 * packet's MPLS label stack. Set the encapsu 970 * packet's MPLS label stack. Set the encapsulating frame's ethertype to
971 * indicate the new packet contents. This coul 971 * indicate the new packet contents. This could potentially still be
972 * %ETH_P_MPLS if the resulting MPLS label sta 972 * %ETH_P_MPLS if the resulting MPLS label stack is not empty. If there
973 * is no MPLS label stack, as determined by et 973 * is no MPLS label stack, as determined by ethertype, no action is taken.
974 * @OVS_ACTION_ATTR_CT: Track the connection. 974 * @OVS_ACTION_ATTR_CT: Track the connection. Populate the conntrack-related
975 * entries in the flow key. 975 * entries in the flow key.
976 * @OVS_ACTION_ATTR_PUSH_ETH: Push a new outer 976 * @OVS_ACTION_ATTR_PUSH_ETH: Push a new outermost Ethernet header onto the
977 * packet. 977 * packet.
978 * @OVS_ACTION_ATTR_POP_ETH: Pop the outermost 978 * @OVS_ACTION_ATTR_POP_ETH: Pop the outermost Ethernet header off the
979 * packet. 979 * packet.
980 * @OVS_ACTION_ATTR_CT_CLEAR: Clear conntrack 980 * @OVS_ACTION_ATTR_CT_CLEAR: Clear conntrack state from the packet.
981 * @OVS_ACTION_ATTR_PUSH_NSH: push NSH header 981 * @OVS_ACTION_ATTR_PUSH_NSH: push NSH header to the packet.
982 * @OVS_ACTION_ATTR_POP_NSH: pop the outermost 982 * @OVS_ACTION_ATTR_POP_NSH: pop the outermost NSH header off the packet.
983 * @OVS_ACTION_ATTR_METER: Run packet through 983 * @OVS_ACTION_ATTR_METER: Run packet through a meter, which may drop the
984 * packet, or modify the packet (e.g., change 984 * packet, or modify the packet (e.g., change the DSCP field).
985 * @OVS_ACTION_ATTR_CLONE: make a copy of the 985 * @OVS_ACTION_ATTR_CLONE: make a copy of the packet and execute a list of
986 * actions without affecting the original pack 986 * actions without affecting the original packet and key.
987 * @OVS_ACTION_ATTR_CHECK_PKT_LEN: Check the p 987 * @OVS_ACTION_ATTR_CHECK_PKT_LEN: Check the packet length and execute a set
988 * of actions if greater than the specified pa 988 * of actions if greater than the specified packet length, else execute
989 * another set of actions. 989 * another set of actions.
990 * @OVS_ACTION_ATTR_ADD_MPLS: Push a new MPLS 990 * @OVS_ACTION_ATTR_ADD_MPLS: Push a new MPLS label stack entry at the
991 * start of the packet or at the start of the 991 * start of the packet or at the start of the l3 header depending on the value
992 * of l3 tunnel flag in the tun_flags field of 992 * of l3 tunnel flag in the tun_flags field of OVS_ACTION_ATTR_ADD_MPLS
993 * argument. 993 * argument.
994 * @OVS_ACTION_ATTR_DROP: Explicit drop action 994 * @OVS_ACTION_ATTR_DROP: Explicit drop action.
995 * @OVS_ACTION_ATTR_PSAMPLE: Send a sample of 995 * @OVS_ACTION_ATTR_PSAMPLE: Send a sample of the packet to external observers
996 * via psample. 996 * via psample.
997 * 997 *
998 * Only a single header can be set with a sing 998 * Only a single header can be set with a single %OVS_ACTION_ATTR_SET. Not all
999 * fields within a header are modifiable, e.g. 999 * fields within a header are modifiable, e.g. the IPv4 protocol and fragment
1000 * type may not be changed. 1000 * type may not be changed.
1001 * 1001 *
1002 * @OVS_ACTION_ATTR_SET_TO_MASKED: Kernel int 1002 * @OVS_ACTION_ATTR_SET_TO_MASKED: Kernel internal masked set action translated
1003 * from the @OVS_ACTION_ATTR_SET. 1003 * from the @OVS_ACTION_ATTR_SET.
1004 */ 1004 */
1005 1005
1006 enum ovs_action_attr { 1006 enum ovs_action_attr {
1007 OVS_ACTION_ATTR_UNSPEC, 1007 OVS_ACTION_ATTR_UNSPEC,
1008 OVS_ACTION_ATTR_OUTPUT, /* u32 1008 OVS_ACTION_ATTR_OUTPUT, /* u32 port number. */
1009 OVS_ACTION_ATTR_USERSPACE, /* Nest 1009 OVS_ACTION_ATTR_USERSPACE, /* Nested OVS_USERSPACE_ATTR_*. */
1010 OVS_ACTION_ATTR_SET, /* One 1010 OVS_ACTION_ATTR_SET, /* One nested OVS_KEY_ATTR_*. */
1011 OVS_ACTION_ATTR_PUSH_VLAN, /* stru 1011 OVS_ACTION_ATTR_PUSH_VLAN, /* struct ovs_action_push_vlan. */
1012 OVS_ACTION_ATTR_POP_VLAN, /* No a 1012 OVS_ACTION_ATTR_POP_VLAN, /* No argument. */
1013 OVS_ACTION_ATTR_SAMPLE, /* Nest 1013 OVS_ACTION_ATTR_SAMPLE, /* Nested OVS_SAMPLE_ATTR_*. */
1014 OVS_ACTION_ATTR_RECIRC, /* u32 1014 OVS_ACTION_ATTR_RECIRC, /* u32 recirc_id. */
1015 OVS_ACTION_ATTR_HASH, /* stru 1015 OVS_ACTION_ATTR_HASH, /* struct ovs_action_hash. */
1016 OVS_ACTION_ATTR_PUSH_MPLS, /* stru 1016 OVS_ACTION_ATTR_PUSH_MPLS, /* struct ovs_action_push_mpls. */
1017 OVS_ACTION_ATTR_POP_MPLS, /* __be 1017 OVS_ACTION_ATTR_POP_MPLS, /* __be16 ethertype. */
1018 OVS_ACTION_ATTR_SET_MASKED, /* One 1018 OVS_ACTION_ATTR_SET_MASKED, /* One nested OVS_KEY_ATTR_* including
1019 * data 1019 * data immediately followed by a mask.
1020 * The 1020 * The data must be zero for the unmasked
1021 * bits 1021 * bits. */
1022 OVS_ACTION_ATTR_CT, /* Nest 1022 OVS_ACTION_ATTR_CT, /* Nested OVS_CT_ATTR_* . */
1023 OVS_ACTION_ATTR_TRUNC, /* u32 1023 OVS_ACTION_ATTR_TRUNC, /* u32 struct ovs_action_trunc. */
1024 OVS_ACTION_ATTR_PUSH_ETH, /* stru 1024 OVS_ACTION_ATTR_PUSH_ETH, /* struct ovs_action_push_eth. */
1025 OVS_ACTION_ATTR_POP_ETH, /* No a 1025 OVS_ACTION_ATTR_POP_ETH, /* No argument. */
1026 OVS_ACTION_ATTR_CT_CLEAR, /* No a 1026 OVS_ACTION_ATTR_CT_CLEAR, /* No argument. */
1027 OVS_ACTION_ATTR_PUSH_NSH, /* Nest 1027 OVS_ACTION_ATTR_PUSH_NSH, /* Nested OVS_NSH_KEY_ATTR_*. */
1028 OVS_ACTION_ATTR_POP_NSH, /* No a 1028 OVS_ACTION_ATTR_POP_NSH, /* No argument. */
1029 OVS_ACTION_ATTR_METER, /* u32 1029 OVS_ACTION_ATTR_METER, /* u32 meter ID. */
1030 OVS_ACTION_ATTR_CLONE, /* Nest 1030 OVS_ACTION_ATTR_CLONE, /* Nested OVS_CLONE_ATTR_*. */
1031 OVS_ACTION_ATTR_CHECK_PKT_LEN, /* Nes 1031 OVS_ACTION_ATTR_CHECK_PKT_LEN, /* Nested OVS_CHECK_PKT_LEN_ATTR_*. */
1032 OVS_ACTION_ATTR_ADD_MPLS, /* stru 1032 OVS_ACTION_ATTR_ADD_MPLS, /* struct ovs_action_add_mpls. */
1033 OVS_ACTION_ATTR_DEC_TTL, /* Nest 1033 OVS_ACTION_ATTR_DEC_TTL, /* Nested OVS_DEC_TTL_ATTR_*. */
1034 OVS_ACTION_ATTR_DROP, /* u32 1034 OVS_ACTION_ATTR_DROP, /* u32 error code. */
1035 OVS_ACTION_ATTR_PSAMPLE, /* Nest 1035 OVS_ACTION_ATTR_PSAMPLE, /* Nested OVS_PSAMPLE_ATTR_*. */
1036 1036
1037 __OVS_ACTION_ATTR_MAX, /* Noth 1037 __OVS_ACTION_ATTR_MAX, /* Nothing past this will be accepted
1038 * from 1038 * from userspace. */
1039 1039
1040 #ifdef __KERNEL__ 1040 #ifdef __KERNEL__
1041 OVS_ACTION_ATTR_SET_TO_MASKED, /* Ker 1041 OVS_ACTION_ATTR_SET_TO_MASKED, /* Kernel module internal masked
1042 * set 1042 * set action converted from
1043 * OVS 1043 * OVS_ACTION_ATTR_SET. */
1044 #endif 1044 #endif
1045 }; 1045 };
1046 1046
1047 #define OVS_ACTION_ATTR_MAX (__OVS_ACTION_ATT 1047 #define OVS_ACTION_ATTR_MAX (__OVS_ACTION_ATTR_MAX - 1)
1048 1048
1049 /* Meters. */ 1049 /* Meters. */
1050 #define OVS_METER_FAMILY "ovs_meter" 1050 #define OVS_METER_FAMILY "ovs_meter"
1051 #define OVS_METER_MCGROUP "ovs_meter" 1051 #define OVS_METER_MCGROUP "ovs_meter"
1052 #define OVS_METER_VERSION 0x1 1052 #define OVS_METER_VERSION 0x1
1053 1053
1054 enum ovs_meter_cmd { 1054 enum ovs_meter_cmd {
1055 OVS_METER_CMD_UNSPEC, 1055 OVS_METER_CMD_UNSPEC,
1056 OVS_METER_CMD_FEATURES, /* Get featur 1056 OVS_METER_CMD_FEATURES, /* Get features supported by the datapath. */
1057 OVS_METER_CMD_SET, /* Add or mod 1057 OVS_METER_CMD_SET, /* Add or modify a meter. */
1058 OVS_METER_CMD_DEL, /* Delete a m 1058 OVS_METER_CMD_DEL, /* Delete a meter. */
1059 OVS_METER_CMD_GET /* Get meter 1059 OVS_METER_CMD_GET /* Get meter stats. */
1060 }; 1060 };
1061 1061
1062 enum ovs_meter_attr { 1062 enum ovs_meter_attr {
1063 OVS_METER_ATTR_UNSPEC, 1063 OVS_METER_ATTR_UNSPEC,
1064 OVS_METER_ATTR_ID, /* u32 meter 1064 OVS_METER_ATTR_ID, /* u32 meter ID within datapath. */
1065 OVS_METER_ATTR_KBPS, /* No argumen 1065 OVS_METER_ATTR_KBPS, /* No argument. If set, units in kilobits
1066 * per second 1066 * per second. Otherwise, units in
1067 * packets pe 1067 * packets per second.
1068 */ 1068 */
1069 OVS_METER_ATTR_STATS, /* struct ovs 1069 OVS_METER_ATTR_STATS, /* struct ovs_flow_stats for the meter. */
1070 OVS_METER_ATTR_BANDS, /* Nested att 1070 OVS_METER_ATTR_BANDS, /* Nested attributes for meter bands. */
1071 OVS_METER_ATTR_USED, /* u64 msecs 1071 OVS_METER_ATTR_USED, /* u64 msecs last used in monotonic time. */
1072 OVS_METER_ATTR_CLEAR, /* Flag to cl 1072 OVS_METER_ATTR_CLEAR, /* Flag to clear stats, used. */
1073 OVS_METER_ATTR_MAX_METERS, /* u32 num 1073 OVS_METER_ATTR_MAX_METERS, /* u32 number of meters supported. */
1074 OVS_METER_ATTR_MAX_BANDS, /* u32 max 1074 OVS_METER_ATTR_MAX_BANDS, /* u32 max number of bands per meter. */
1075 OVS_METER_ATTR_PAD, 1075 OVS_METER_ATTR_PAD,
1076 __OVS_METER_ATTR_MAX 1076 __OVS_METER_ATTR_MAX
1077 }; 1077 };
1078 1078
1079 #define OVS_METER_ATTR_MAX (__OVS_METER_ATTR_ 1079 #define OVS_METER_ATTR_MAX (__OVS_METER_ATTR_MAX - 1)
1080 1080
1081 enum ovs_band_attr { 1081 enum ovs_band_attr {
1082 OVS_BAND_ATTR_UNSPEC, 1082 OVS_BAND_ATTR_UNSPEC,
1083 OVS_BAND_ATTR_TYPE, /* u32 OVS_ME 1083 OVS_BAND_ATTR_TYPE, /* u32 OVS_METER_BAND_TYPE_* constant. */
1084 OVS_BAND_ATTR_RATE, /* u32 band r 1084 OVS_BAND_ATTR_RATE, /* u32 band rate in meter units (see above). */
1085 OVS_BAND_ATTR_BURST, /* u32 burst 1085 OVS_BAND_ATTR_BURST, /* u32 burst size in meter units. */
1086 OVS_BAND_ATTR_STATS, /* struct ovs 1086 OVS_BAND_ATTR_STATS, /* struct ovs_flow_stats for the band. */
1087 __OVS_BAND_ATTR_MAX 1087 __OVS_BAND_ATTR_MAX
1088 }; 1088 };
1089 1089
1090 #define OVS_BAND_ATTR_MAX (__OVS_BAND_ATTR_MA 1090 #define OVS_BAND_ATTR_MAX (__OVS_BAND_ATTR_MAX - 1)
1091 1091
1092 enum ovs_meter_band_type { 1092 enum ovs_meter_band_type {
1093 OVS_METER_BAND_TYPE_UNSPEC, 1093 OVS_METER_BAND_TYPE_UNSPEC,
1094 OVS_METER_BAND_TYPE_DROP, /* Drop e 1094 OVS_METER_BAND_TYPE_DROP, /* Drop exceeding packets. */
1095 __OVS_METER_BAND_TYPE_MAX 1095 __OVS_METER_BAND_TYPE_MAX
1096 }; 1096 };
1097 1097
1098 #define OVS_METER_BAND_TYPE_MAX (__OVS_METER_ 1098 #define OVS_METER_BAND_TYPE_MAX (__OVS_METER_BAND_TYPE_MAX - 1)
1099 1099
1100 /* Conntrack limit */ 1100 /* Conntrack limit */
1101 #define OVS_CT_LIMIT_FAMILY "ovs_ct_limit" 1101 #define OVS_CT_LIMIT_FAMILY "ovs_ct_limit"
1102 #define OVS_CT_LIMIT_MCGROUP "ovs_ct_limit" 1102 #define OVS_CT_LIMIT_MCGROUP "ovs_ct_limit"
1103 #define OVS_CT_LIMIT_VERSION 0x1 1103 #define OVS_CT_LIMIT_VERSION 0x1
1104 1104
1105 enum ovs_ct_limit_cmd { 1105 enum ovs_ct_limit_cmd {
1106 OVS_CT_LIMIT_CMD_UNSPEC, 1106 OVS_CT_LIMIT_CMD_UNSPEC,
1107 OVS_CT_LIMIT_CMD_SET, /* Ad 1107 OVS_CT_LIMIT_CMD_SET, /* Add or modify ct limit. */
1108 OVS_CT_LIMIT_CMD_DEL, /* De 1108 OVS_CT_LIMIT_CMD_DEL, /* Delete ct limit. */
1109 OVS_CT_LIMIT_CMD_GET /* Ge 1109 OVS_CT_LIMIT_CMD_GET /* Get ct limit. */
1110 }; 1110 };
1111 1111
1112 enum ovs_ct_limit_attr { 1112 enum ovs_ct_limit_attr {
1113 OVS_CT_LIMIT_ATTR_UNSPEC, 1113 OVS_CT_LIMIT_ATTR_UNSPEC,
1114 OVS_CT_LIMIT_ATTR_ZONE_LIMIT, /* Ne 1114 OVS_CT_LIMIT_ATTR_ZONE_LIMIT, /* Nested struct ovs_zone_limit. */
1115 __OVS_CT_LIMIT_ATTR_MAX 1115 __OVS_CT_LIMIT_ATTR_MAX
1116 }; 1116 };
1117 1117
1118 #define OVS_CT_LIMIT_ATTR_MAX (__OVS_CT_LIMIT 1118 #define OVS_CT_LIMIT_ATTR_MAX (__OVS_CT_LIMIT_ATTR_MAX - 1)
1119 1119
1120 #define OVS_ZONE_LIMIT_DEFAULT_ZONE -1 1120 #define OVS_ZONE_LIMIT_DEFAULT_ZONE -1
1121 1121
1122 struct ovs_zone_limit { 1122 struct ovs_zone_limit {
1123 int zone_id; 1123 int zone_id;
1124 __u32 limit; 1124 __u32 limit;
1125 __u32 count; 1125 __u32 count;
1126 }; 1126 };
1127 1127
1128 enum ovs_dec_ttl_attr { 1128 enum ovs_dec_ttl_attr {
1129 OVS_DEC_TTL_ATTR_UNSPEC, 1129 OVS_DEC_TTL_ATTR_UNSPEC,
1130 OVS_DEC_TTL_ATTR_ACTION, /* Ne 1130 OVS_DEC_TTL_ATTR_ACTION, /* Nested struct nlattr */
1131 __OVS_DEC_TTL_ATTR_MAX 1131 __OVS_DEC_TTL_ATTR_MAX
1132 }; 1132 };
1133 1133
1134 #define OVS_DEC_TTL_ATTR_MAX (__OVS_DEC_TTL_A 1134 #define OVS_DEC_TTL_ATTR_MAX (__OVS_DEC_TTL_ATTR_MAX - 1)
1135 1135
1136 #endif /* _LINUX_OPENVSWITCH_H */ 1136 #endif /* _LINUX_OPENVSWITCH_H */
1137 1137
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