1e2be04c7SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 222e3880aSThomas Graf 322e3880aSThomas Graf /* 49dd7f890SJarno Rajahalme * Copyright (c) 2007-2017 Nicira, Inc. 522e3880aSThomas Graf * 622e3880aSThomas Graf * This program is free software; you can redistribute it and/or 722e3880aSThomas Graf * modify it under the terms of version 2 of the GNU General Public 822e3880aSThomas Graf * License as published by the Free Software Foundation. 922e3880aSThomas Graf * 1022e3880aSThomas Graf * This program is distributed in the hope that it will be useful, but 1122e3880aSThomas Graf * WITHOUT ANY WARRANTY; without even the implied warranty of 1222e3880aSThomas Graf * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 1322e3880aSThomas Graf * General Public License for more details. 1422e3880aSThomas Graf * 1522e3880aSThomas Graf * You should have received a copy of the GNU General Public License 1622e3880aSThomas Graf * along with this program; if not, write to the Free Software 1722e3880aSThomas Graf * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 1822e3880aSThomas Graf * 02110-1301, USA 1922e3880aSThomas Graf */ 2022e3880aSThomas Graf 2122e3880aSThomas Graf #ifndef _UAPI__LINUX_OPENVSWITCH_H 2222e3880aSThomas Graf #define _UAPI__LINUX_OPENVSWITCH_H 1 2322e3880aSThomas Graf 2422e3880aSThomas Graf #include <linux/types.h> 2522e3880aSThomas Graf #include <linux/if_ether.h> 2622e3880aSThomas Graf 2722e3880aSThomas Graf /** 2822e3880aSThomas Graf * struct ovs_header - header for OVS Generic Netlink messages. 2922e3880aSThomas Graf * @dp_ifindex: ifindex of local port for datapath (0 to make a request not 3022e3880aSThomas Graf * specific to a datapath). 3122e3880aSThomas Graf * 3222e3880aSThomas Graf * Attributes following the header are specific to a particular OVS Generic 3322e3880aSThomas Graf * Netlink family, but all of the OVS families use this header. 3422e3880aSThomas Graf */ 3522e3880aSThomas Graf 3622e3880aSThomas Graf struct ovs_header { 3722e3880aSThomas Graf int dp_ifindex; 3822e3880aSThomas Graf }; 3922e3880aSThomas Graf 4022e3880aSThomas Graf /* Datapaths. */ 4122e3880aSThomas Graf 4222e3880aSThomas Graf #define OVS_DATAPATH_FAMILY "ovs_datapath" 4322e3880aSThomas Graf #define OVS_DATAPATH_MCGROUP "ovs_datapath" 4444da5ae5SThomas Graf 4544da5ae5SThomas Graf /* V2: 4644da5ae5SThomas Graf * - API users are expected to provide OVS_DP_ATTR_USER_FEATURES 4744da5ae5SThomas Graf * when creating the datapath. 4844da5ae5SThomas Graf */ 4944da5ae5SThomas Graf #define OVS_DATAPATH_VERSION 2 5044da5ae5SThomas Graf 5144da5ae5SThomas Graf /* First OVS datapath version to support features */ 5244da5ae5SThomas Graf #define OVS_DP_VER_FEATURES 2 5322e3880aSThomas Graf 5422e3880aSThomas Graf enum ovs_datapath_cmd { 5522e3880aSThomas Graf OVS_DP_CMD_UNSPEC, 5622e3880aSThomas Graf OVS_DP_CMD_NEW, 5722e3880aSThomas Graf OVS_DP_CMD_DEL, 5822e3880aSThomas Graf OVS_DP_CMD_GET, 5922e3880aSThomas Graf OVS_DP_CMD_SET 6022e3880aSThomas Graf }; 6122e3880aSThomas Graf 6222e3880aSThomas Graf /** 6322e3880aSThomas Graf * enum ovs_datapath_attr - attributes for %OVS_DP_* commands. 6422e3880aSThomas Graf * @OVS_DP_ATTR_NAME: Name of the network device that serves as the "local 6522e3880aSThomas Graf * port". This is the name of the network device whose dp_ifindex is given in 6622e3880aSThomas Graf * the &struct ovs_header. Always present in notifications. Required in 6722e3880aSThomas Graf * %OVS_DP_NEW requests. May be used as an alternative to specifying 6822e3880aSThomas Graf * dp_ifindex in other requests (with a dp_ifindex of 0). 6922e3880aSThomas Graf * @OVS_DP_ATTR_UPCALL_PID: The Netlink socket in userspace that is initially 7022e3880aSThomas Graf * set on the datapath port (for OVS_ACTION_ATTR_MISS). Only valid on 7122e3880aSThomas Graf * %OVS_DP_CMD_NEW requests. A value of zero indicates that upcalls should 7222e3880aSThomas Graf * not be sent. 7322e3880aSThomas Graf * @OVS_DP_ATTR_STATS: Statistics about packets that have passed through the 7422e3880aSThomas Graf * datapath. Always present in notifications. 751bd7116fSAndy Zhou * @OVS_DP_ATTR_MEGAFLOW_STATS: Statistics about mega flow masks usage for the 761bd7116fSAndy Zhou * datapath. Always present in notifications. 7722e3880aSThomas Graf * 7822e3880aSThomas Graf * These attributes follow the &struct ovs_header within the Generic Netlink 7922e3880aSThomas Graf * payload for %OVS_DP_* commands. 8022e3880aSThomas Graf */ 8122e3880aSThomas Graf enum ovs_datapath_attr { 8222e3880aSThomas Graf OVS_DP_ATTR_UNSPEC, 8322e3880aSThomas Graf OVS_DP_ATTR_NAME, /* name of dp_ifindex netdev */ 8422e3880aSThomas Graf OVS_DP_ATTR_UPCALL_PID, /* Netlink PID to receive upcalls */ 8522e3880aSThomas Graf OVS_DP_ATTR_STATS, /* struct ovs_dp_stats */ 861bd7116fSAndy Zhou OVS_DP_ATTR_MEGAFLOW_STATS, /* struct ovs_dp_megaflow_stats */ 8743d4be9cSThomas Graf OVS_DP_ATTR_USER_FEATURES, /* OVS_DP_F_* */ 8866c7a5eeSNicolas Dichtel OVS_DP_ATTR_PAD, 8922e3880aSThomas Graf __OVS_DP_ATTR_MAX 9022e3880aSThomas Graf }; 9122e3880aSThomas Graf 9222e3880aSThomas Graf #define OVS_DP_ATTR_MAX (__OVS_DP_ATTR_MAX - 1) 9322e3880aSThomas Graf 9422e3880aSThomas Graf struct ovs_dp_stats { 9522e3880aSThomas Graf __u64 n_hit; /* Number of flow table matches. */ 9622e3880aSThomas Graf __u64 n_missed; /* Number of flow table misses. */ 9722e3880aSThomas Graf __u64 n_lost; /* Number of misses not sent to userspace. */ 9822e3880aSThomas Graf __u64 n_flows; /* Number of flows present */ 9922e3880aSThomas Graf }; 10022e3880aSThomas Graf 1011bd7116fSAndy Zhou struct ovs_dp_megaflow_stats { 1021bd7116fSAndy Zhou __u64 n_mask_hit; /* Number of masks used for flow lookups. */ 1031bd7116fSAndy Zhou __u32 n_masks; /* Number of masks for the datapath. */ 1041bd7116fSAndy Zhou __u32 pad0; /* Pad for future expension. */ 1051bd7116fSAndy Zhou __u64 pad1; /* Pad for future expension. */ 1061bd7116fSAndy Zhou __u64 pad2; /* Pad for future expension. */ 1071bd7116fSAndy Zhou }; 1081bd7116fSAndy Zhou 10922e3880aSThomas Graf struct ovs_vport_stats { 11022e3880aSThomas Graf __u64 rx_packets; /* total packets received */ 11122e3880aSThomas Graf __u64 tx_packets; /* total packets transmitted */ 11222e3880aSThomas Graf __u64 rx_bytes; /* total bytes received */ 11322e3880aSThomas Graf __u64 tx_bytes; /* total bytes transmitted */ 11422e3880aSThomas Graf __u64 rx_errors; /* bad packets received */ 11522e3880aSThomas Graf __u64 tx_errors; /* packet transmit problems */ 11622e3880aSThomas Graf __u64 rx_dropped; /* no space in linux buffers */ 11722e3880aSThomas Graf __u64 tx_dropped; /* no space available in linux */ 11822e3880aSThomas Graf }; 11922e3880aSThomas Graf 12043d4be9cSThomas Graf /* Allow last Netlink attribute to be unaligned */ 12143d4be9cSThomas Graf #define OVS_DP_F_UNALIGNED (1 << 0) 12243d4be9cSThomas Graf 1235cd667b0SAlex Wang /* Allow datapath to associate multiple Netlink PIDs to each vport */ 1245cd667b0SAlex Wang #define OVS_DP_F_VPORT_PIDS (1 << 1) 1255cd667b0SAlex Wang 12695a7233cSPaul Blakey /* Allow tc offload recirc sharing */ 12795a7233cSPaul Blakey #define OVS_DP_F_TC_RECIRC_SHARING (1 << 2) 12895a7233cSPaul Blakey 12922e3880aSThomas Graf /* Fixed logical ports. */ 13022e3880aSThomas Graf #define OVSP_LOCAL ((__u32)0) 13122e3880aSThomas Graf 13222e3880aSThomas Graf /* Packet transfer. */ 13322e3880aSThomas Graf 13422e3880aSThomas Graf #define OVS_PACKET_FAMILY "ovs_packet" 13522e3880aSThomas Graf #define OVS_PACKET_VERSION 0x1 13622e3880aSThomas Graf 13722e3880aSThomas Graf enum ovs_packet_cmd { 13822e3880aSThomas Graf OVS_PACKET_CMD_UNSPEC, 13922e3880aSThomas Graf 14022e3880aSThomas Graf /* Kernel-to-user notifications. */ 14122e3880aSThomas Graf OVS_PACKET_CMD_MISS, /* Flow table miss. */ 14222e3880aSThomas Graf OVS_PACKET_CMD_ACTION, /* OVS_ACTION_ATTR_USERSPACE action. */ 14322e3880aSThomas Graf 14422e3880aSThomas Graf /* Userspace commands. */ 14522e3880aSThomas Graf OVS_PACKET_CMD_EXECUTE /* Apply actions to a packet. */ 14622e3880aSThomas Graf }; 14722e3880aSThomas Graf 14822e3880aSThomas Graf /** 14922e3880aSThomas Graf * enum ovs_packet_attr - attributes for %OVS_PACKET_* commands. 15022e3880aSThomas Graf * @OVS_PACKET_ATTR_PACKET: Present for all notifications. Contains the entire 15122e3880aSThomas Graf * packet as received, from the start of the Ethernet header onward. For 15222e3880aSThomas Graf * %OVS_PACKET_CMD_ACTION, %OVS_PACKET_ATTR_PACKET reflects changes made by 15322e3880aSThomas Graf * actions preceding %OVS_ACTION_ATTR_USERSPACE, but %OVS_PACKET_ATTR_KEY is 15422e3880aSThomas Graf * the flow key extracted from the packet as originally received. 15522e3880aSThomas Graf * @OVS_PACKET_ATTR_KEY: Present for all notifications. Contains the flow key 15622e3880aSThomas Graf * extracted from the packet as nested %OVS_KEY_ATTR_* attributes. This allows 15722e3880aSThomas Graf * userspace to adapt its flow setup strategy by comparing its notion of the 15822e3880aSThomas Graf * flow key against the kernel's. 15922e3880aSThomas Graf * @OVS_PACKET_ATTR_ACTIONS: Contains actions for the packet. Used 16022e3880aSThomas Graf * for %OVS_PACKET_CMD_EXECUTE. It has nested %OVS_ACTION_ATTR_* attributes. 161ccea7445SNeil McKee * Also used in upcall when %OVS_ACTION_ATTR_USERSPACE has optional 162ccea7445SNeil McKee * %OVS_USERSPACE_ATTR_ACTIONS attribute. 16322e3880aSThomas Graf * @OVS_PACKET_ATTR_USERDATA: Present for an %OVS_PACKET_CMD_ACTION 16422e3880aSThomas Graf * notification if the %OVS_ACTION_ATTR_USERSPACE action specified an 16522e3880aSThomas Graf * %OVS_USERSPACE_ATTR_USERDATA attribute, with the same length and content 16622e3880aSThomas Graf * specified there. 1678f0aad6fSWenyu Zhang * @OVS_PACKET_ATTR_EGRESS_TUN_KEY: Present for an %OVS_PACKET_CMD_ACTION 1688f0aad6fSWenyu Zhang * notification if the %OVS_ACTION_ATTR_USERSPACE action specified an 1698f0aad6fSWenyu Zhang * %OVS_USERSPACE_ATTR_EGRESS_TUN_PORT attribute, which is sent only if the 1708f0aad6fSWenyu Zhang * output port is actually a tunnel port. Contains the output tunnel key 1718f0aad6fSWenyu Zhang * extracted from the packet as nested %OVS_TUNNEL_KEY_ATTR_* attributes. 1727f8a436eSJoe Stringer * @OVS_PACKET_ATTR_MRU: Present for an %OVS_PACKET_CMD_ACTION and 173b95e5928SWilliam Tu * @OVS_PACKET_ATTR_LEN: Packet size before truncation. 1747f8a436eSJoe Stringer * %OVS_PACKET_ATTR_USERSPACE action specify the Maximum received fragment 1757f8a436eSJoe Stringer * size. 176bd1903b7STonghao Zhang * @OVS_PACKET_ATTR_HASH: Packet hash info (e.g. hash, sw_hash and l4_hash in skb). 17722e3880aSThomas Graf * 17822e3880aSThomas Graf * These attributes follow the &struct ovs_header within the Generic Netlink 17922e3880aSThomas Graf * payload for %OVS_PACKET_* commands. 18022e3880aSThomas Graf */ 18122e3880aSThomas Graf enum ovs_packet_attr { 18222e3880aSThomas Graf OVS_PACKET_ATTR_UNSPEC, 18322e3880aSThomas Graf OVS_PACKET_ATTR_PACKET, /* Packet data. */ 18422e3880aSThomas Graf OVS_PACKET_ATTR_KEY, /* Nested OVS_KEY_ATTR_* attributes. */ 18522e3880aSThomas Graf OVS_PACKET_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */ 18622e3880aSThomas Graf OVS_PACKET_ATTR_USERDATA, /* OVS_ACTION_ATTR_USERSPACE arg. */ 1878f0aad6fSWenyu Zhang OVS_PACKET_ATTR_EGRESS_TUN_KEY, /* Nested OVS_TUNNEL_KEY_ATTR_* 1888f0aad6fSWenyu Zhang attributes. */ 1891ba39804SThomas Graf OVS_PACKET_ATTR_UNUSED1, 1901ba39804SThomas Graf OVS_PACKET_ATTR_UNUSED2, 1911ba39804SThomas Graf OVS_PACKET_ATTR_PROBE, /* Packet operation is a feature probe, 1921ba39804SThomas Graf error logging should be suppressed. */ 1937f8a436eSJoe Stringer OVS_PACKET_ATTR_MRU, /* Maximum received IP fragment size. */ 194b95e5928SWilliam Tu OVS_PACKET_ATTR_LEN, /* Packet size before truncation. */ 195bd1903b7STonghao Zhang OVS_PACKET_ATTR_HASH, /* Packet hash. */ 19622e3880aSThomas Graf __OVS_PACKET_ATTR_MAX 19722e3880aSThomas Graf }; 19822e3880aSThomas Graf 19922e3880aSThomas Graf #define OVS_PACKET_ATTR_MAX (__OVS_PACKET_ATTR_MAX - 1) 20022e3880aSThomas Graf 20122e3880aSThomas Graf /* Virtual ports. */ 20222e3880aSThomas Graf 20322e3880aSThomas Graf #define OVS_VPORT_FAMILY "ovs_vport" 20422e3880aSThomas Graf #define OVS_VPORT_MCGROUP "ovs_vport" 20522e3880aSThomas Graf #define OVS_VPORT_VERSION 0x1 20622e3880aSThomas Graf 20722e3880aSThomas Graf enum ovs_vport_cmd { 20822e3880aSThomas Graf OVS_VPORT_CMD_UNSPEC, 20922e3880aSThomas Graf OVS_VPORT_CMD_NEW, 21022e3880aSThomas Graf OVS_VPORT_CMD_DEL, 21122e3880aSThomas Graf OVS_VPORT_CMD_GET, 21222e3880aSThomas Graf OVS_VPORT_CMD_SET 21322e3880aSThomas Graf }; 21422e3880aSThomas Graf 21522e3880aSThomas Graf enum ovs_vport_type { 21622e3880aSThomas Graf OVS_VPORT_TYPE_UNSPEC, 21722e3880aSThomas Graf OVS_VPORT_TYPE_NETDEV, /* network device */ 21822e3880aSThomas Graf OVS_VPORT_TYPE_INTERNAL, /* network device implemented by datapath */ 219aa310701SPravin B Shelar OVS_VPORT_TYPE_GRE, /* GRE tunnel. */ 22058264848SPravin B Shelar OVS_VPORT_TYPE_VXLAN, /* VXLAN tunnel. */ 221f5796684SJesse Gross OVS_VPORT_TYPE_GENEVE, /* Geneve tunnel. */ 22222e3880aSThomas Graf __OVS_VPORT_TYPE_MAX 22322e3880aSThomas Graf }; 22422e3880aSThomas Graf 22522e3880aSThomas Graf #define OVS_VPORT_TYPE_MAX (__OVS_VPORT_TYPE_MAX - 1) 22622e3880aSThomas Graf 22722e3880aSThomas Graf /** 22822e3880aSThomas Graf * enum ovs_vport_attr - attributes for %OVS_VPORT_* commands. 22922e3880aSThomas Graf * @OVS_VPORT_ATTR_PORT_NO: 32-bit port number within datapath. 23022e3880aSThomas Graf * @OVS_VPORT_ATTR_TYPE: 32-bit %OVS_VPORT_TYPE_* constant describing the type 23122e3880aSThomas Graf * of vport. 23222e3880aSThomas Graf * @OVS_VPORT_ATTR_NAME: Name of vport. For a vport based on a network device 23322e3880aSThomas Graf * this is the name of the network device. Maximum length %IFNAMSIZ-1 bytes 23422e3880aSThomas Graf * plus a null terminator. 23522e3880aSThomas Graf * @OVS_VPORT_ATTR_OPTIONS: Vport-specific configuration information. 2365cd667b0SAlex Wang * @OVS_VPORT_ATTR_UPCALL_PID: The array of Netlink socket pids in userspace 2375cd667b0SAlex Wang * among which OVS_PACKET_CMD_MISS upcalls will be distributed for packets 2385cd667b0SAlex Wang * received on this port. If this is a single-element array of value 0, 2395cd667b0SAlex Wang * upcalls should not be sent. 24022e3880aSThomas Graf * @OVS_VPORT_ATTR_STATS: A &struct ovs_vport_stats giving statistics for 24122e3880aSThomas Graf * packets sent or received through the vport. 24222e3880aSThomas Graf * 24322e3880aSThomas Graf * These attributes follow the &struct ovs_header within the Generic Netlink 24422e3880aSThomas Graf * payload for %OVS_VPORT_* commands. 24522e3880aSThomas Graf * 24622e3880aSThomas Graf * For %OVS_VPORT_CMD_NEW requests, the %OVS_VPORT_ATTR_TYPE and 24722e3880aSThomas Graf * %OVS_VPORT_ATTR_NAME attributes are required. %OVS_VPORT_ATTR_PORT_NO is 24822e3880aSThomas Graf * optional; if not specified a free port number is automatically selected. 24922e3880aSThomas Graf * Whether %OVS_VPORT_ATTR_OPTIONS is required or optional depends on the type 25022e3880aSThomas Graf * of vport. 25122e3880aSThomas Graf * 25222e3880aSThomas Graf * For other requests, if %OVS_VPORT_ATTR_NAME is specified then it is used to 25322e3880aSThomas Graf * look up the vport to operate on; otherwise dp_idx from the &struct 25422e3880aSThomas Graf * ovs_header plus %OVS_VPORT_ATTR_PORT_NO determine the vport. 25522e3880aSThomas Graf */ 25622e3880aSThomas Graf enum ovs_vport_attr { 25722e3880aSThomas Graf OVS_VPORT_ATTR_UNSPEC, 25822e3880aSThomas Graf OVS_VPORT_ATTR_PORT_NO, /* u32 port number within datapath */ 25922e3880aSThomas Graf OVS_VPORT_ATTR_TYPE, /* u32 OVS_VPORT_TYPE_* constant. */ 26022e3880aSThomas Graf OVS_VPORT_ATTR_NAME, /* string name, up to IFNAMSIZ bytes long */ 26122e3880aSThomas Graf OVS_VPORT_ATTR_OPTIONS, /* nested attributes, varies by vport type */ 2625cd667b0SAlex Wang OVS_VPORT_ATTR_UPCALL_PID, /* array of u32 Netlink socket PIDs for */ 2635cd667b0SAlex Wang /* receiving upcalls */ 26422e3880aSThomas Graf OVS_VPORT_ATTR_STATS, /* struct ovs_vport_stats */ 26566c7a5eeSNicolas Dichtel OVS_VPORT_ATTR_PAD, 2669354d452SJiri Benc OVS_VPORT_ATTR_IFINDEX, 2679354d452SJiri Benc OVS_VPORT_ATTR_NETNSID, 26822e3880aSThomas Graf __OVS_VPORT_ATTR_MAX 26922e3880aSThomas Graf }; 27022e3880aSThomas Graf 27122e3880aSThomas Graf #define OVS_VPORT_ATTR_MAX (__OVS_VPORT_ATTR_MAX - 1) 27222e3880aSThomas Graf 2731dd144cfSThomas Graf enum { 2741dd144cfSThomas Graf OVS_VXLAN_EXT_UNSPEC, 2751dd144cfSThomas Graf OVS_VXLAN_EXT_GBP, /* Flag or __u32 */ 2761dd144cfSThomas Graf __OVS_VXLAN_EXT_MAX, 2771dd144cfSThomas Graf }; 2781dd144cfSThomas Graf 2791dd144cfSThomas Graf #define OVS_VXLAN_EXT_MAX (__OVS_VXLAN_EXT_MAX - 1) 2801dd144cfSThomas Graf 2811dd144cfSThomas Graf 28258264848SPravin B Shelar /* OVS_VPORT_ATTR_OPTIONS attributes for tunnels. 28358264848SPravin B Shelar */ 28458264848SPravin B Shelar enum { 28558264848SPravin B Shelar OVS_TUNNEL_ATTR_UNSPEC, 28658264848SPravin B Shelar OVS_TUNNEL_ATTR_DST_PORT, /* 16-bit UDP port, used by L4 tunnels. */ 2871dd144cfSThomas Graf OVS_TUNNEL_ATTR_EXTENSION, 28858264848SPravin B Shelar __OVS_TUNNEL_ATTR_MAX 28958264848SPravin B Shelar }; 29058264848SPravin B Shelar 29158264848SPravin B Shelar #define OVS_TUNNEL_ATTR_MAX (__OVS_TUNNEL_ATTR_MAX - 1) 29258264848SPravin B Shelar 29322e3880aSThomas Graf /* Flows. */ 29422e3880aSThomas Graf 29522e3880aSThomas Graf #define OVS_FLOW_FAMILY "ovs_flow" 29622e3880aSThomas Graf #define OVS_FLOW_MCGROUP "ovs_flow" 29722e3880aSThomas Graf #define OVS_FLOW_VERSION 0x1 29822e3880aSThomas Graf 29922e3880aSThomas Graf enum ovs_flow_cmd { 30022e3880aSThomas Graf OVS_FLOW_CMD_UNSPEC, 30122e3880aSThomas Graf OVS_FLOW_CMD_NEW, 30222e3880aSThomas Graf OVS_FLOW_CMD_DEL, 30322e3880aSThomas Graf OVS_FLOW_CMD_GET, 30422e3880aSThomas Graf OVS_FLOW_CMD_SET 30522e3880aSThomas Graf }; 30622e3880aSThomas Graf 30722e3880aSThomas Graf struct ovs_flow_stats { 30822e3880aSThomas Graf __u64 n_packets; /* Number of matched packets. */ 30922e3880aSThomas Graf __u64 n_bytes; /* Number of matched bytes. */ 31022e3880aSThomas Graf }; 31122e3880aSThomas Graf 31222e3880aSThomas Graf enum ovs_key_attr { 31322e3880aSThomas Graf OVS_KEY_ATTR_UNSPEC, 31422e3880aSThomas Graf OVS_KEY_ATTR_ENCAP, /* Nested set of encapsulated attributes. */ 31522e3880aSThomas Graf OVS_KEY_ATTR_PRIORITY, /* u32 skb->priority */ 31622e3880aSThomas Graf OVS_KEY_ATTR_IN_PORT, /* u32 OVS dp port number */ 31722e3880aSThomas Graf OVS_KEY_ATTR_ETHERNET, /* struct ovs_key_ethernet */ 31822e3880aSThomas Graf OVS_KEY_ATTR_VLAN, /* be16 VLAN TCI */ 31922e3880aSThomas Graf OVS_KEY_ATTR_ETHERTYPE, /* be16 Ethernet type */ 32022e3880aSThomas Graf OVS_KEY_ATTR_IPV4, /* struct ovs_key_ipv4 */ 32122e3880aSThomas Graf OVS_KEY_ATTR_IPV6, /* struct ovs_key_ipv6 */ 32222e3880aSThomas Graf OVS_KEY_ATTR_TCP, /* struct ovs_key_tcp */ 32322e3880aSThomas Graf OVS_KEY_ATTR_UDP, /* struct ovs_key_udp */ 32422e3880aSThomas Graf OVS_KEY_ATTR_ICMP, /* struct ovs_key_icmp */ 32522e3880aSThomas Graf OVS_KEY_ATTR_ICMPV6, /* struct ovs_key_icmpv6 */ 32622e3880aSThomas Graf OVS_KEY_ATTR_ARP, /* struct ovs_key_arp */ 32722e3880aSThomas Graf OVS_KEY_ATTR_ND, /* struct ovs_key_nd */ 32822e3880aSThomas Graf OVS_KEY_ATTR_SKB_MARK, /* u32 skb mark */ 3297d5437c7SPravin B Shelar OVS_KEY_ATTR_TUNNEL, /* Nested set of ovs_tunnel attributes */ 330a175a723SJoe Stringer OVS_KEY_ATTR_SCTP, /* struct ovs_key_sctp */ 3315eb26b15SJarno Rajahalme OVS_KEY_ATTR_TCP_FLAGS, /* be16 TCP flags. */ 332971427f3SAndy Zhou OVS_KEY_ATTR_DP_HASH, /* u32 hash value. Value 0 indicates the hash 333971427f3SAndy Zhou is not computed by the datapath. */ 334971427f3SAndy Zhou OVS_KEY_ATTR_RECIRC_ID, /* u32 recirc id */ 33525cd9ba0SSimon Horman OVS_KEY_ATTR_MPLS, /* array of struct ovs_key_mpls. 33625cd9ba0SSimon Horman * The implementation may restrict 33725cd9ba0SSimon Horman * the accepted length of the array. */ 338fbccce59SJoe Stringer OVS_KEY_ATTR_CT_STATE, /* u32 bitmask of OVS_CS_F_* */ 3397f8a436eSJoe Stringer OVS_KEY_ATTR_CT_ZONE, /* u16 connection tracking zone. */ 340182e3042SJoe Stringer OVS_KEY_ATTR_CT_MARK, /* u32 connection tracking mark */ 34133db4125SJoe Stringer OVS_KEY_ATTR_CT_LABELS, /* 16-octet connection tracking label */ 3429dd7f890SJarno Rajahalme OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4, /* struct ovs_key_ct_tuple_ipv4 */ 3439dd7f890SJarno Rajahalme OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6, /* struct ovs_key_ct_tuple_ipv6 */ 344b2d0f5d5SYi Yang OVS_KEY_ATTR_NSH, /* Nested set of ovs_nsh_key_* */ 3457d5437c7SPravin B Shelar 3467d5437c7SPravin B Shelar #ifdef __KERNEL__ 3471d8fff90SThomas Graf OVS_KEY_ATTR_TUNNEL_INFO, /* struct ip_tunnel_info */ 3487d5437c7SPravin B Shelar #endif 34922e3880aSThomas Graf __OVS_KEY_ATTR_MAX 35022e3880aSThomas Graf }; 35122e3880aSThomas Graf 35222e3880aSThomas Graf #define OVS_KEY_ATTR_MAX (__OVS_KEY_ATTR_MAX - 1) 35322e3880aSThomas Graf 3547d5437c7SPravin B Shelar enum ovs_tunnel_key_attr { 355daa6630aSNicolas Dichtel /* OVS_TUNNEL_KEY_ATTR_NONE, standard nl API requires this attribute! */ 3567d5437c7SPravin B Shelar OVS_TUNNEL_KEY_ATTR_ID, /* be64 Tunnel ID */ 3577d5437c7SPravin B Shelar OVS_TUNNEL_KEY_ATTR_IPV4_SRC, /* be32 src IP address. */ 3587d5437c7SPravin B Shelar OVS_TUNNEL_KEY_ATTR_IPV4_DST, /* be32 dst IP address. */ 3597d5437c7SPravin B Shelar OVS_TUNNEL_KEY_ATTR_TOS, /* u8 Tunnel IP ToS. */ 3607d5437c7SPravin B Shelar OVS_TUNNEL_KEY_ATTR_TTL, /* u8 Tunnel IP TTL. */ 3617d5437c7SPravin B Shelar OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT, /* No argument, set DF. */ 3627d5437c7SPravin B Shelar OVS_TUNNEL_KEY_ATTR_CSUM, /* No argument. CSUM packet. */ 36367fa0341SJesse Gross OVS_TUNNEL_KEY_ATTR_OAM, /* No argument. OAM frame. */ 364f5796684SJesse Gross OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS, /* Array of Geneve options. */ 3658f0aad6fSWenyu Zhang OVS_TUNNEL_KEY_ATTR_TP_SRC, /* be16 src Transport Port. */ 3668f0aad6fSWenyu Zhang OVS_TUNNEL_KEY_ATTR_TP_DST, /* be16 dst Transport Port. */ 3671dd144cfSThomas Graf OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS, /* Nested OVS_VXLAN_EXT_* */ 3686b26ba3aSJiri Benc OVS_TUNNEL_KEY_ATTR_IPV6_SRC, /* struct in6_addr src IPv6 address. */ 3696b26ba3aSJiri Benc OVS_TUNNEL_KEY_ATTR_IPV6_DST, /* struct in6_addr dst IPv6 address. */ 370b46f6dedSNicolas Dichtel OVS_TUNNEL_KEY_ATTR_PAD, 371fc1372f8SWilliam Tu OVS_TUNNEL_KEY_ATTR_ERSPAN_OPTS, /* struct erspan_metadata */ 37218b6f717Swenxu OVS_TUNNEL_KEY_ATTR_IPV4_INFO_BRIDGE, /* No argument. IPV4_INFO_BRIDGE mode.*/ 3737d5437c7SPravin B Shelar __OVS_TUNNEL_KEY_ATTR_MAX 3747d5437c7SPravin B Shelar }; 3757d5437c7SPravin B Shelar 3767d5437c7SPravin B Shelar #define OVS_TUNNEL_KEY_ATTR_MAX (__OVS_TUNNEL_KEY_ATTR_MAX - 1) 3777d5437c7SPravin B Shelar 37822e3880aSThomas Graf /** 37922e3880aSThomas Graf * enum ovs_frag_type - IPv4 and IPv6 fragment type 38022e3880aSThomas Graf * @OVS_FRAG_TYPE_NONE: Packet is not a fragment. 38122e3880aSThomas Graf * @OVS_FRAG_TYPE_FIRST: Packet is a fragment with offset 0. 38222e3880aSThomas Graf * @OVS_FRAG_TYPE_LATER: Packet is a fragment with nonzero offset. 38322e3880aSThomas Graf * 38422e3880aSThomas Graf * Used as the @ipv4_frag in &struct ovs_key_ipv4 and as @ipv6_frag &struct 38522e3880aSThomas Graf * ovs_key_ipv6. 38622e3880aSThomas Graf */ 38722e3880aSThomas Graf enum ovs_frag_type { 38822e3880aSThomas Graf OVS_FRAG_TYPE_NONE, 38922e3880aSThomas Graf OVS_FRAG_TYPE_FIRST, 39022e3880aSThomas Graf OVS_FRAG_TYPE_LATER, 39122e3880aSThomas Graf __OVS_FRAG_TYPE_MAX 39222e3880aSThomas Graf }; 39322e3880aSThomas Graf 39422e3880aSThomas Graf #define OVS_FRAG_TYPE_MAX (__OVS_FRAG_TYPE_MAX - 1) 39522e3880aSThomas Graf 39622e3880aSThomas Graf struct ovs_key_ethernet { 39722e3880aSThomas Graf __u8 eth_src[ETH_ALEN]; 39822e3880aSThomas Graf __u8 eth_dst[ETH_ALEN]; 39922e3880aSThomas Graf }; 40022e3880aSThomas Graf 40125cd9ba0SSimon Horman struct ovs_key_mpls { 40225cd9ba0SSimon Horman __be32 mpls_lse; 40325cd9ba0SSimon Horman }; 40425cd9ba0SSimon Horman 40522e3880aSThomas Graf struct ovs_key_ipv4 { 40622e3880aSThomas Graf __be32 ipv4_src; 40722e3880aSThomas Graf __be32 ipv4_dst; 40822e3880aSThomas Graf __u8 ipv4_proto; 40922e3880aSThomas Graf __u8 ipv4_tos; 41022e3880aSThomas Graf __u8 ipv4_ttl; 41122e3880aSThomas Graf __u8 ipv4_frag; /* One of OVS_FRAG_TYPE_*. */ 41222e3880aSThomas Graf }; 41322e3880aSThomas Graf 41422e3880aSThomas Graf struct ovs_key_ipv6 { 41522e3880aSThomas Graf __be32 ipv6_src[4]; 41622e3880aSThomas Graf __be32 ipv6_dst[4]; 41722e3880aSThomas Graf __be32 ipv6_label; /* 20-bits in least-significant bits. */ 41822e3880aSThomas Graf __u8 ipv6_proto; 41922e3880aSThomas Graf __u8 ipv6_tclass; 42022e3880aSThomas Graf __u8 ipv6_hlimit; 42122e3880aSThomas Graf __u8 ipv6_frag; /* One of OVS_FRAG_TYPE_*. */ 42222e3880aSThomas Graf }; 42322e3880aSThomas Graf 42422e3880aSThomas Graf struct ovs_key_tcp { 42522e3880aSThomas Graf __be16 tcp_src; 42622e3880aSThomas Graf __be16 tcp_dst; 42722e3880aSThomas Graf }; 42822e3880aSThomas Graf 42922e3880aSThomas Graf struct ovs_key_udp { 43022e3880aSThomas Graf __be16 udp_src; 43122e3880aSThomas Graf __be16 udp_dst; 43222e3880aSThomas Graf }; 43322e3880aSThomas Graf 434a175a723SJoe Stringer struct ovs_key_sctp { 435a175a723SJoe Stringer __be16 sctp_src; 436a175a723SJoe Stringer __be16 sctp_dst; 437a175a723SJoe Stringer }; 438a175a723SJoe Stringer 43922e3880aSThomas Graf struct ovs_key_icmp { 44022e3880aSThomas Graf __u8 icmp_type; 44122e3880aSThomas Graf __u8 icmp_code; 44222e3880aSThomas Graf }; 44322e3880aSThomas Graf 44422e3880aSThomas Graf struct ovs_key_icmpv6 { 44522e3880aSThomas Graf __u8 icmpv6_type; 44622e3880aSThomas Graf __u8 icmpv6_code; 44722e3880aSThomas Graf }; 44822e3880aSThomas Graf 44922e3880aSThomas Graf struct ovs_key_arp { 45022e3880aSThomas Graf __be32 arp_sip; 45122e3880aSThomas Graf __be32 arp_tip; 45222e3880aSThomas Graf __be16 arp_op; 45322e3880aSThomas Graf __u8 arp_sha[ETH_ALEN]; 45422e3880aSThomas Graf __u8 arp_tha[ETH_ALEN]; 45522e3880aSThomas Graf }; 45622e3880aSThomas Graf 45722e3880aSThomas Graf struct ovs_key_nd { 4581a4e96a0SJarno Rajahalme __be32 nd_target[4]; 45922e3880aSThomas Graf __u8 nd_sll[ETH_ALEN]; 46022e3880aSThomas Graf __u8 nd_tll[ETH_ALEN]; 46122e3880aSThomas Graf }; 46222e3880aSThomas Graf 463cb80d58fSJarno Rajahalme #define OVS_CT_LABELS_LEN_32 4 464cb80d58fSJarno Rajahalme #define OVS_CT_LABELS_LEN (OVS_CT_LABELS_LEN_32 * sizeof(__u32)) 46533db4125SJoe Stringer struct ovs_key_ct_labels { 466cb80d58fSJarno Rajahalme union { 46733db4125SJoe Stringer __u8 ct_labels[OVS_CT_LABELS_LEN]; 468cb80d58fSJarno Rajahalme __u32 ct_labels_32[OVS_CT_LABELS_LEN_32]; 469cb80d58fSJarno Rajahalme }; 470c2ac6673SJoe Stringer }; 471c2ac6673SJoe Stringer 4727f8a436eSJoe Stringer /* OVS_KEY_ATTR_CT_STATE flags */ 4737f8a436eSJoe Stringer #define OVS_CS_F_NEW 0x01 /* Beginning of a new connection. */ 4747f8a436eSJoe Stringer #define OVS_CS_F_ESTABLISHED 0x02 /* Part of an existing connection. */ 4757f8a436eSJoe Stringer #define OVS_CS_F_RELATED 0x04 /* Related to an established 4767f8a436eSJoe Stringer * connection. */ 477fbccce59SJoe Stringer #define OVS_CS_F_REPLY_DIR 0x08 /* Flow is in the reply direction. */ 478fbccce59SJoe Stringer #define OVS_CS_F_INVALID 0x10 /* Could not track connection. */ 479fbccce59SJoe Stringer #define OVS_CS_F_TRACKED 0x20 /* Conntrack has occurred. */ 48005752523SJarno Rajahalme #define OVS_CS_F_SRC_NAT 0x40 /* Packet's source address/port was 48105752523SJarno Rajahalme * mangled by NAT. 48205752523SJarno Rajahalme */ 48305752523SJarno Rajahalme #define OVS_CS_F_DST_NAT 0x80 /* Packet's destination address/port 48405752523SJarno Rajahalme * was mangled by NAT. 48505752523SJarno Rajahalme */ 48605752523SJarno Rajahalme 48705752523SJarno Rajahalme #define OVS_CS_F_NAT_MASK (OVS_CS_F_SRC_NAT | OVS_CS_F_DST_NAT) 4887f8a436eSJoe Stringer 4899dd7f890SJarno Rajahalme struct ovs_key_ct_tuple_ipv4 { 4909dd7f890SJarno Rajahalme __be32 ipv4_src; 4919dd7f890SJarno Rajahalme __be32 ipv4_dst; 4929dd7f890SJarno Rajahalme __be16 src_port; 4939dd7f890SJarno Rajahalme __be16 dst_port; 4949dd7f890SJarno Rajahalme __u8 ipv4_proto; 4959dd7f890SJarno Rajahalme }; 4969dd7f890SJarno Rajahalme 4979dd7f890SJarno Rajahalme struct ovs_key_ct_tuple_ipv6 { 4989dd7f890SJarno Rajahalme __be32 ipv6_src[4]; 4999dd7f890SJarno Rajahalme __be32 ipv6_dst[4]; 5009dd7f890SJarno Rajahalme __be16 src_port; 5019dd7f890SJarno Rajahalme __be16 dst_port; 5029dd7f890SJarno Rajahalme __u8 ipv6_proto; 5039dd7f890SJarno Rajahalme }; 5049dd7f890SJarno Rajahalme 505b2d0f5d5SYi Yang enum ovs_nsh_key_attr { 506b2d0f5d5SYi Yang OVS_NSH_KEY_ATTR_UNSPEC, 507b2d0f5d5SYi Yang OVS_NSH_KEY_ATTR_BASE, /* struct ovs_nsh_key_base. */ 508b2d0f5d5SYi Yang OVS_NSH_KEY_ATTR_MD1, /* struct ovs_nsh_key_md1. */ 509b2d0f5d5SYi Yang OVS_NSH_KEY_ATTR_MD2, /* variable-length octets for MD type 2. */ 510b2d0f5d5SYi Yang __OVS_NSH_KEY_ATTR_MAX 511b2d0f5d5SYi Yang }; 512b2d0f5d5SYi Yang 513b2d0f5d5SYi Yang #define OVS_NSH_KEY_ATTR_MAX (__OVS_NSH_KEY_ATTR_MAX - 1) 514b2d0f5d5SYi Yang 515b2d0f5d5SYi Yang struct ovs_nsh_key_base { 516b2d0f5d5SYi Yang __u8 flags; 517b2d0f5d5SYi Yang __u8 ttl; 518b2d0f5d5SYi Yang __u8 mdtype; 519b2d0f5d5SYi Yang __u8 np; 520b2d0f5d5SYi Yang __be32 path_hdr; 521b2d0f5d5SYi Yang }; 522b2d0f5d5SYi Yang 523b2d0f5d5SYi Yang #define NSH_MD1_CONTEXT_SIZE 4 524b2d0f5d5SYi Yang 525b2d0f5d5SYi Yang struct ovs_nsh_key_md1 { 526b2d0f5d5SYi Yang __be32 context[NSH_MD1_CONTEXT_SIZE]; 527b2d0f5d5SYi Yang }; 528b2d0f5d5SYi Yang 52922e3880aSThomas Graf /** 53022e3880aSThomas Graf * enum ovs_flow_attr - attributes for %OVS_FLOW_* commands. 53122e3880aSThomas Graf * @OVS_FLOW_ATTR_KEY: Nested %OVS_KEY_ATTR_* attributes specifying the flow 53222e3880aSThomas Graf * key. Always present in notifications. Required for all requests (except 53322e3880aSThomas Graf * dumps). 53422e3880aSThomas Graf * @OVS_FLOW_ATTR_ACTIONS: Nested %OVS_ACTION_ATTR_* attributes specifying 53522e3880aSThomas Graf * the actions to take for packets that match the key. Always present in 53622e3880aSThomas Graf * notifications. Required for %OVS_FLOW_CMD_NEW requests, optional for 537be52c9e9SJarno Rajahalme * %OVS_FLOW_CMD_SET requests. An %OVS_FLOW_CMD_SET without 538be52c9e9SJarno Rajahalme * %OVS_FLOW_ATTR_ACTIONS will not modify the actions. To clear the actions, 539be52c9e9SJarno Rajahalme * an %OVS_FLOW_ATTR_ACTIONS without any nested attributes must be given. 54022e3880aSThomas Graf * @OVS_FLOW_ATTR_STATS: &struct ovs_flow_stats giving statistics for this 54122e3880aSThomas Graf * flow. Present in notifications if the stats would be nonzero. Ignored in 54222e3880aSThomas Graf * requests. 54322e3880aSThomas Graf * @OVS_FLOW_ATTR_TCP_FLAGS: An 8-bit value giving the OR'd value of all of the 54422e3880aSThomas Graf * TCP flags seen on packets in this flow. Only present in notifications for 54522e3880aSThomas Graf * TCP flows, and only if it would be nonzero. Ignored in requests. 54622e3880aSThomas Graf * @OVS_FLOW_ATTR_USED: A 64-bit integer giving the time, in milliseconds on 54722e3880aSThomas Graf * the system monotonic clock, at which a packet was last processed for this 54822e3880aSThomas Graf * flow. Only present in notifications if a packet has been processed for this 54922e3880aSThomas Graf * flow. Ignored in requests. 55022e3880aSThomas Graf * @OVS_FLOW_ATTR_CLEAR: If present in a %OVS_FLOW_CMD_SET request, clears the 55122e3880aSThomas Graf * last-used time, accumulated TCP flags, and statistics for this flow. 55222e3880aSThomas Graf * Otherwise ignored in requests. Never present in notifications. 55303f0d916SAndy Zhou * @OVS_FLOW_ATTR_MASK: Nested %OVS_KEY_ATTR_* attributes specifying the 55403f0d916SAndy Zhou * mask bits for wildcarded flow match. Mask bit value '1' specifies exact 55503f0d916SAndy Zhou * match with corresponding flow key bit, while mask bit value '0' specifies 55603f0d916SAndy Zhou * a wildcarded match. Omitting attribute is treated as wildcarding all 55703f0d916SAndy Zhou * corresponding fields. Optional for all requests. If not present, 55803f0d916SAndy Zhou * all flow key bits are exact match bits. 55974ed7ab9SJoe Stringer * @OVS_FLOW_ATTR_UFID: A value between 1-16 octets specifying a unique 56074ed7ab9SJoe Stringer * identifier for the flow. Causes the flow to be indexed by this value rather 56174ed7ab9SJoe Stringer * than the value of the %OVS_FLOW_ATTR_KEY attribute. Optional for all 56274ed7ab9SJoe Stringer * requests. Present in notifications if the flow was created with this 56374ed7ab9SJoe Stringer * attribute. 56474ed7ab9SJoe Stringer * @OVS_FLOW_ATTR_UFID_FLAGS: A 32-bit value of OR'd %OVS_UFID_F_* 56574ed7ab9SJoe Stringer * flags that provide alternative semantics for flow installation and 56674ed7ab9SJoe Stringer * retrieval. Optional for all requests. 56722e3880aSThomas Graf * 56822e3880aSThomas Graf * These attributes follow the &struct ovs_header within the Generic Netlink 56922e3880aSThomas Graf * payload for %OVS_FLOW_* commands. 57022e3880aSThomas Graf */ 57122e3880aSThomas Graf enum ovs_flow_attr { 57222e3880aSThomas Graf OVS_FLOW_ATTR_UNSPEC, 57322e3880aSThomas Graf OVS_FLOW_ATTR_KEY, /* Sequence of OVS_KEY_ATTR_* attributes. */ 57422e3880aSThomas Graf OVS_FLOW_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */ 57522e3880aSThomas Graf OVS_FLOW_ATTR_STATS, /* struct ovs_flow_stats. */ 57622e3880aSThomas Graf OVS_FLOW_ATTR_TCP_FLAGS, /* 8-bit OR'd TCP flags. */ 57722e3880aSThomas Graf OVS_FLOW_ATTR_USED, /* u64 msecs last used in monotonic time. */ 57822e3880aSThomas Graf OVS_FLOW_ATTR_CLEAR, /* Flag to clear stats, tcp_flags, used. */ 57903f0d916SAndy Zhou OVS_FLOW_ATTR_MASK, /* Sequence of OVS_KEY_ATTR_* attributes. */ 58005da5898SJarno Rajahalme OVS_FLOW_ATTR_PROBE, /* Flow operation is a feature probe, error 58105da5898SJarno Rajahalme * logging should be suppressed. */ 58274ed7ab9SJoe Stringer OVS_FLOW_ATTR_UFID, /* Variable length unique flow identifier. */ 58374ed7ab9SJoe Stringer OVS_FLOW_ATTR_UFID_FLAGS,/* u32 of OVS_UFID_F_*. */ 5840238b720SNicolas Dichtel OVS_FLOW_ATTR_PAD, 58522e3880aSThomas Graf __OVS_FLOW_ATTR_MAX 58622e3880aSThomas Graf }; 58722e3880aSThomas Graf 58822e3880aSThomas Graf #define OVS_FLOW_ATTR_MAX (__OVS_FLOW_ATTR_MAX - 1) 58922e3880aSThomas Graf 59022e3880aSThomas Graf /** 59174ed7ab9SJoe Stringer * Omit attributes for notifications. 59274ed7ab9SJoe Stringer * 59374ed7ab9SJoe Stringer * If a datapath request contains an %OVS_UFID_F_OMIT_* flag, then the datapath 59474ed7ab9SJoe Stringer * may omit the corresponding %OVS_FLOW_ATTR_* from the response. 59574ed7ab9SJoe Stringer */ 59674ed7ab9SJoe Stringer #define OVS_UFID_F_OMIT_KEY (1 << 0) 59774ed7ab9SJoe Stringer #define OVS_UFID_F_OMIT_MASK (1 << 1) 59874ed7ab9SJoe Stringer #define OVS_UFID_F_OMIT_ACTIONS (1 << 2) 59974ed7ab9SJoe Stringer 60074ed7ab9SJoe Stringer /** 60122e3880aSThomas Graf * enum ovs_sample_attr - Attributes for %OVS_ACTION_ATTR_SAMPLE action. 60222e3880aSThomas Graf * @OVS_SAMPLE_ATTR_PROBABILITY: 32-bit fraction of packets to sample with 60322e3880aSThomas Graf * @OVS_ACTION_ATTR_SAMPLE. A value of 0 samples no packets, a value of 60422e3880aSThomas Graf * %UINT32_MAX samples all packets and intermediate values sample intermediate 60522e3880aSThomas Graf * fractions of packets. 60622e3880aSThomas Graf * @OVS_SAMPLE_ATTR_ACTIONS: Set of actions to execute in sampling event. 60722e3880aSThomas Graf * Actions are passed as nested attributes. 60822e3880aSThomas Graf * 60922e3880aSThomas Graf * Executes the specified actions with the given probability on a per-packet 61022e3880aSThomas Graf * basis. 61122e3880aSThomas Graf */ 61222e3880aSThomas Graf enum ovs_sample_attr { 61322e3880aSThomas Graf OVS_SAMPLE_ATTR_UNSPEC, 61422e3880aSThomas Graf OVS_SAMPLE_ATTR_PROBABILITY, /* u32 number */ 61522e3880aSThomas Graf OVS_SAMPLE_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */ 61622e3880aSThomas Graf __OVS_SAMPLE_ATTR_MAX, 617798c1661Sandy zhou 618798c1661Sandy zhou #ifdef __KERNEL__ 619798c1661Sandy zhou OVS_SAMPLE_ATTR_ARG /* struct sample_arg */ 620798c1661Sandy zhou #endif 62122e3880aSThomas Graf }; 62222e3880aSThomas Graf 62322e3880aSThomas Graf #define OVS_SAMPLE_ATTR_MAX (__OVS_SAMPLE_ATTR_MAX - 1) 62422e3880aSThomas Graf 625798c1661Sandy zhou #ifdef __KERNEL__ 626798c1661Sandy zhou struct sample_arg { 627798c1661Sandy zhou bool exec; /* When true, actions in sample will not 628798c1661Sandy zhou * change flow keys. False otherwise. 629798c1661Sandy zhou */ 630798c1661Sandy zhou u32 probability; /* Same value as 631798c1661Sandy zhou * 'OVS_SAMPLE_ATTR_PROBABILITY'. 632798c1661Sandy zhou */ 633798c1661Sandy zhou }; 634798c1661Sandy zhou #endif 635798c1661Sandy zhou 63622e3880aSThomas Graf /** 63722e3880aSThomas Graf * enum ovs_userspace_attr - Attributes for %OVS_ACTION_ATTR_USERSPACE action. 63822e3880aSThomas Graf * @OVS_USERSPACE_ATTR_PID: u32 Netlink PID to which the %OVS_PACKET_CMD_ACTION 63922e3880aSThomas Graf * message should be sent. Required. 64022e3880aSThomas Graf * @OVS_USERSPACE_ATTR_USERDATA: If present, its variable-length argument is 64122e3880aSThomas Graf * copied to the %OVS_PACKET_CMD_ACTION message as %OVS_PACKET_ATTR_USERDATA. 6428f0aad6fSWenyu Zhang * @OVS_USERSPACE_ATTR_EGRESS_TUN_PORT: If present, u32 output port to get 6438f0aad6fSWenyu Zhang * tunnel info. 644ccea7445SNeil McKee * @OVS_USERSPACE_ATTR_ACTIONS: If present, send actions with upcall. 64522e3880aSThomas Graf */ 64622e3880aSThomas Graf enum ovs_userspace_attr { 64722e3880aSThomas Graf OVS_USERSPACE_ATTR_UNSPEC, 64822e3880aSThomas Graf OVS_USERSPACE_ATTR_PID, /* u32 Netlink PID to receive upcalls. */ 64922e3880aSThomas Graf OVS_USERSPACE_ATTR_USERDATA, /* Optional user-specified cookie. */ 6508f0aad6fSWenyu Zhang OVS_USERSPACE_ATTR_EGRESS_TUN_PORT, /* Optional, u32 output port 6518f0aad6fSWenyu Zhang * to get tunnel info. */ 652ccea7445SNeil McKee OVS_USERSPACE_ATTR_ACTIONS, /* Optional flag to get actions. */ 65322e3880aSThomas Graf __OVS_USERSPACE_ATTR_MAX 65422e3880aSThomas Graf }; 65522e3880aSThomas Graf 65622e3880aSThomas Graf #define OVS_USERSPACE_ATTR_MAX (__OVS_USERSPACE_ATTR_MAX - 1) 65722e3880aSThomas Graf 658f2a4d086SWilliam Tu struct ovs_action_trunc { 659a1d1f65fSMikko Rapeli __u32 max_len; /* Max packet size in bytes. */ 660f2a4d086SWilliam Tu }; 661f2a4d086SWilliam Tu 66222e3880aSThomas Graf /** 66325cd9ba0SSimon Horman * struct ovs_action_push_mpls - %OVS_ACTION_ATTR_PUSH_MPLS action argument. 66425cd9ba0SSimon Horman * @mpls_lse: MPLS label stack entry to push. 66525cd9ba0SSimon Horman * @mpls_ethertype: Ethertype to set in the encapsulating ethernet frame. 66625cd9ba0SSimon Horman * 66725cd9ba0SSimon Horman * The only values @mpls_ethertype should ever be given are %ETH_P_MPLS_UC and 66825cd9ba0SSimon Horman * %ETH_P_MPLS_MC, indicating MPLS unicast or multicast. Other are rejected. 66925cd9ba0SSimon Horman */ 67025cd9ba0SSimon Horman struct ovs_action_push_mpls { 67125cd9ba0SSimon Horman __be32 mpls_lse; 67225cd9ba0SSimon Horman __be16 mpls_ethertype; /* Either %ETH_P_MPLS_UC or %ETH_P_MPLS_MC */ 67325cd9ba0SSimon Horman }; 67425cd9ba0SSimon Horman 67525cd9ba0SSimon Horman /** 676*f66b53fdSMartin Varghese * struct ovs_action_add_mpls - %OVS_ACTION_ATTR_ADD_MPLS action 677*f66b53fdSMartin Varghese * argument. 678*f66b53fdSMartin Varghese * @mpls_lse: MPLS label stack entry to push. 679*f66b53fdSMartin Varghese * @mpls_ethertype: Ethertype to set in the encapsulating ethernet frame. 680*f66b53fdSMartin Varghese * @tun_flags: MPLS tunnel attributes. 681*f66b53fdSMartin Varghese * 682*f66b53fdSMartin Varghese * The only values @mpls_ethertype should ever be given are %ETH_P_MPLS_UC and 683*f66b53fdSMartin Varghese * %ETH_P_MPLS_MC, indicating MPLS unicast or multicast. Other are rejected. 684*f66b53fdSMartin Varghese */ 685*f66b53fdSMartin Varghese struct ovs_action_add_mpls { 686*f66b53fdSMartin Varghese __be32 mpls_lse; 687*f66b53fdSMartin Varghese __be16 mpls_ethertype; /* Either %ETH_P_MPLS_UC or %ETH_P_MPLS_MC */ 688*f66b53fdSMartin Varghese __u16 tun_flags; 689*f66b53fdSMartin Varghese }; 690*f66b53fdSMartin Varghese 691*f66b53fdSMartin Varghese #define OVS_MPLS_L3_TUNNEL_FLAG_MASK (1 << 0) /* Flag to specify the place of 692*f66b53fdSMartin Varghese * insertion of MPLS header. 693*f66b53fdSMartin Varghese * When false, the MPLS header 694*f66b53fdSMartin Varghese * will be inserted at the start 695*f66b53fdSMartin Varghese * of the packet. 696*f66b53fdSMartin Varghese * When true, the MPLS header 697*f66b53fdSMartin Varghese * will be inserted at the start 698*f66b53fdSMartin Varghese * of the l3 header. 699*f66b53fdSMartin Varghese */ 700*f66b53fdSMartin Varghese 701*f66b53fdSMartin Varghese /** 70222e3880aSThomas Graf * struct ovs_action_push_vlan - %OVS_ACTION_ATTR_PUSH_VLAN action argument. 70322e3880aSThomas Graf * @vlan_tpid: Tag protocol identifier (TPID) to push. 70422e3880aSThomas Graf * @vlan_tci: Tag control identifier (TCI) to push. The CFI bit must be set 70522e3880aSThomas Graf * (but it will not be set in the 802.1Q header that is pushed). 70622e3880aSThomas Graf * 7078c146bb9SThomas F Herbert * The @vlan_tpid value is typically %ETH_P_8021Q or %ETH_P_8021AD. 7088c146bb9SThomas F Herbert * The only acceptable TPID values are those that the kernel module also parses 7098c146bb9SThomas F Herbert * as 802.1Q or 802.1AD headers, to prevent %OVS_ACTION_ATTR_PUSH_VLAN followed 7108c146bb9SThomas F Herbert * by %OVS_ACTION_ATTR_POP_VLAN from having surprising results. 71122e3880aSThomas Graf */ 71222e3880aSThomas Graf struct ovs_action_push_vlan { 7138c146bb9SThomas F Herbert __be16 vlan_tpid; /* 802.1Q or 802.1ad TPID. */ 71422e3880aSThomas Graf __be16 vlan_tci; /* 802.1Q TCI (VLAN ID and priority). */ 71522e3880aSThomas Graf }; 71622e3880aSThomas Graf 717971427f3SAndy Zhou /* Data path hash algorithm for computing Datapath hash. 718971427f3SAndy Zhou * 719971427f3SAndy Zhou * The algorithm type only specifies the fields in a flow 720971427f3SAndy Zhou * will be used as part of the hash. Each datapath is free 721971427f3SAndy Zhou * to use its own hash algorithm. The hash value will be 722971427f3SAndy Zhou * opaque to the user space daemon. 723971427f3SAndy Zhou */ 724971427f3SAndy Zhou enum ovs_hash_alg { 725971427f3SAndy Zhou OVS_HASH_ALG_L4, 726971427f3SAndy Zhou }; 727971427f3SAndy Zhou 728971427f3SAndy Zhou /* 729971427f3SAndy Zhou * struct ovs_action_hash - %OVS_ACTION_ATTR_HASH action argument. 730971427f3SAndy Zhou * @hash_alg: Algorithm used to compute hash prior to recirculation. 731971427f3SAndy Zhou * @hash_basis: basis used for computing hash. 732971427f3SAndy Zhou */ 733971427f3SAndy Zhou struct ovs_action_hash { 734e6571aa5SMikko Rapeli __u32 hash_alg; /* One of ovs_hash_alg. */ 735e6571aa5SMikko Rapeli __u32 hash_basis; 736971427f3SAndy Zhou }; 737971427f3SAndy Zhou 73822e3880aSThomas Graf /** 7397f8a436eSJoe Stringer * enum ovs_ct_attr - Attributes for %OVS_ACTION_ATTR_CT action. 740ab38a7b5SJoe Stringer * @OVS_CT_ATTR_COMMIT: If present, commits the connection to the conntrack 741ab38a7b5SJoe Stringer * table. This allows future packets for the same connection to be identified 7421d008a1dSJoe Stringer * as 'established' or 'related'. The flow key for the current packet will 7431d008a1dSJoe Stringer * retain the pre-commit connection state. 7447f8a436eSJoe Stringer * @OVS_CT_ATTR_ZONE: u16 connection tracking zone. 745182e3042SJoe Stringer * @OVS_CT_ATTR_MARK: u32 value followed by u32 mask. For each bit set in the 746182e3042SJoe Stringer * mask, the corresponding bit in the value is copied to the connection 747182e3042SJoe Stringer * tracking mark field in the connection. 748e5f5d747SPaolo Abeni * @OVS_CT_ATTR_LABELS: %OVS_CT_LABELS_LEN value followed by %OVS_CT_LABELS_LEN 749c2ac6673SJoe Stringer * mask. For each bit set in the mask, the corresponding bit in the value is 750c2ac6673SJoe Stringer * copied to the connection tracking label field in the connection. 751cae3a262SJoe Stringer * @OVS_CT_ATTR_HELPER: variable length string defining conntrack ALG. 75205752523SJarno Rajahalme * @OVS_CT_ATTR_NAT: Nested OVS_NAT_ATTR_* for performing L3 network address 75305752523SJarno Rajahalme * translation (NAT) on the packet. 754dd41d33fSJarno Rajahalme * @OVS_CT_ATTR_FORCE_COMMIT: Like %OVS_CT_ATTR_COMMIT, but instead of doing 755dd41d33fSJarno Rajahalme * nothing if the connection is already committed will check that the current 756dd41d33fSJarno Rajahalme * packet is in conntrack entry's original direction. If directionality does 757dd41d33fSJarno Rajahalme * not match, will delete the existing conntrack entry and commit a new one. 75812064551SJarno Rajahalme * @OVS_CT_ATTR_EVENTMASK: Mask of bits indicating which conntrack event types 75912064551SJarno Rajahalme * (enum ip_conntrack_events IPCT_*) should be reported. For any bit set to 76012064551SJarno Rajahalme * zero, the corresponding event type is not generated. Default behavior 76112064551SJarno Rajahalme * depends on system configuration, but typically all event types are 76212064551SJarno Rajahalme * generated, hence listening on NFNLGRP_CONNTRACK_UPDATE events may get a lot 76312064551SJarno Rajahalme * of events. Explicitly passing this attribute allows limiting the updates 76412064551SJarno Rajahalme * received to the events of interest. The bit 1 << IPCT_NEW, 1 << 76512064551SJarno Rajahalme * IPCT_RELATED, and 1 << IPCT_DESTROY must be set to ones for those events to 76612064551SJarno Rajahalme * be received on NFNLGRP_CONNTRACK_NEW and NFNLGRP_CONNTRACK_DESTROY groups, 76712064551SJarno Rajahalme * respectively. Remaining bits control the changes for which an event is 76812064551SJarno Rajahalme * delivered on the NFNLGRP_CONNTRACK_UPDATE group. 76906bd2bdfSYi-Hung Wei * @OVS_CT_ATTR_TIMEOUT: Variable length string defining conntrack timeout. 7707f8a436eSJoe Stringer */ 7717f8a436eSJoe Stringer enum ovs_ct_attr { 7727f8a436eSJoe Stringer OVS_CT_ATTR_UNSPEC, 773ab38a7b5SJoe Stringer OVS_CT_ATTR_COMMIT, /* No argument, commits connection. */ 7747f8a436eSJoe Stringer OVS_CT_ATTR_ZONE, /* u16 zone id. */ 775182e3042SJoe Stringer OVS_CT_ATTR_MARK, /* mark to associate with this connection. */ 77633db4125SJoe Stringer OVS_CT_ATTR_LABELS, /* labels to associate with this connection. */ 777cae3a262SJoe Stringer OVS_CT_ATTR_HELPER, /* netlink helper to assist detection of 778cae3a262SJoe Stringer related connections. */ 77905752523SJarno Rajahalme OVS_CT_ATTR_NAT, /* Nested OVS_NAT_ATTR_* */ 780dd41d33fSJarno Rajahalme OVS_CT_ATTR_FORCE_COMMIT, /* No argument */ 78112064551SJarno Rajahalme OVS_CT_ATTR_EVENTMASK, /* u32 mask of IPCT_* events. */ 78206bd2bdfSYi-Hung Wei OVS_CT_ATTR_TIMEOUT, /* Associate timeout with this connection for 78306bd2bdfSYi-Hung Wei * fine-grain timeout tuning. */ 7847f8a436eSJoe Stringer __OVS_CT_ATTR_MAX 7857f8a436eSJoe Stringer }; 7867f8a436eSJoe Stringer 7877f8a436eSJoe Stringer #define OVS_CT_ATTR_MAX (__OVS_CT_ATTR_MAX - 1) 7887f8a436eSJoe Stringer 7897f8a436eSJoe Stringer /** 79005752523SJarno Rajahalme * enum ovs_nat_attr - Attributes for %OVS_CT_ATTR_NAT. 79105752523SJarno Rajahalme * 79205752523SJarno Rajahalme * @OVS_NAT_ATTR_SRC: Flag for Source NAT (mangle source address/port). 79305752523SJarno Rajahalme * @OVS_NAT_ATTR_DST: Flag for Destination NAT (mangle destination 79405752523SJarno Rajahalme * address/port). Only one of (@OVS_NAT_ATTR_SRC, @OVS_NAT_ATTR_DST) may be 79505752523SJarno Rajahalme * specified. Effective only for packets for ct_state NEW connections. 79605752523SJarno Rajahalme * Packets of committed connections are mangled by the NAT action according to 79705752523SJarno Rajahalme * the committed NAT type regardless of the flags specified. As a corollary, a 79805752523SJarno Rajahalme * NAT action without a NAT type flag will only mangle packets of committed 79905752523SJarno Rajahalme * connections. The following NAT attributes only apply for NEW 80005752523SJarno Rajahalme * (non-committed) connections, and they may be included only when the CT 80105752523SJarno Rajahalme * action has the @OVS_CT_ATTR_COMMIT flag and either @OVS_NAT_ATTR_SRC or 80205752523SJarno Rajahalme * @OVS_NAT_ATTR_DST is also included. 80305752523SJarno Rajahalme * @OVS_NAT_ATTR_IP_MIN: struct in_addr or struct in6_addr 80405752523SJarno Rajahalme * @OVS_NAT_ATTR_IP_MAX: struct in_addr or struct in6_addr 80505752523SJarno Rajahalme * @OVS_NAT_ATTR_PROTO_MIN: u16 L4 protocol specific lower boundary (port) 80605752523SJarno Rajahalme * @OVS_NAT_ATTR_PROTO_MAX: u16 L4 protocol specific upper boundary (port) 80705752523SJarno Rajahalme * @OVS_NAT_ATTR_PERSISTENT: Flag for persistent IP mapping across reboots 80805752523SJarno Rajahalme * @OVS_NAT_ATTR_PROTO_HASH: Flag for pseudo random L4 port mapping (MD5) 80905752523SJarno Rajahalme * @OVS_NAT_ATTR_PROTO_RANDOM: Flag for fully randomized L4 port mapping 81005752523SJarno Rajahalme */ 81105752523SJarno Rajahalme enum ovs_nat_attr { 81205752523SJarno Rajahalme OVS_NAT_ATTR_UNSPEC, 81305752523SJarno Rajahalme OVS_NAT_ATTR_SRC, 81405752523SJarno Rajahalme OVS_NAT_ATTR_DST, 81505752523SJarno Rajahalme OVS_NAT_ATTR_IP_MIN, 81605752523SJarno Rajahalme OVS_NAT_ATTR_IP_MAX, 81705752523SJarno Rajahalme OVS_NAT_ATTR_PROTO_MIN, 81805752523SJarno Rajahalme OVS_NAT_ATTR_PROTO_MAX, 81905752523SJarno Rajahalme OVS_NAT_ATTR_PERSISTENT, 82005752523SJarno Rajahalme OVS_NAT_ATTR_PROTO_HASH, 82105752523SJarno Rajahalme OVS_NAT_ATTR_PROTO_RANDOM, 82205752523SJarno Rajahalme __OVS_NAT_ATTR_MAX, 82305752523SJarno Rajahalme }; 82405752523SJarno Rajahalme 82505752523SJarno Rajahalme #define OVS_NAT_ATTR_MAX (__OVS_NAT_ATTR_MAX - 1) 82605752523SJarno Rajahalme 82791820da6SJiri Benc /* 82891820da6SJiri Benc * struct ovs_action_push_eth - %OVS_ACTION_ATTR_PUSH_ETH action argument. 82991820da6SJiri Benc * @addresses: Source and destination MAC addresses. 83091820da6SJiri Benc * @eth_type: Ethernet type 83191820da6SJiri Benc */ 83291820da6SJiri Benc struct ovs_action_push_eth { 83391820da6SJiri Benc struct ovs_key_ethernet addresses; 83491820da6SJiri Benc }; 83591820da6SJiri Benc 8364d5ec89fSNuman Siddique /* 8374d5ec89fSNuman Siddique * enum ovs_check_pkt_len_attr - Attributes for %OVS_ACTION_ATTR_CHECK_PKT_LEN. 8384d5ec89fSNuman Siddique * 8394d5ec89fSNuman Siddique * @OVS_CHECK_PKT_LEN_ATTR_PKT_LEN: u16 Packet length to check for. 8404d5ec89fSNuman Siddique * @OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_GREATER: Nested OVS_ACTION_ATTR_* 8414d5ec89fSNuman Siddique * actions to apply if the packer length is greater than the specified 8424d5ec89fSNuman Siddique * length in the attr - OVS_CHECK_PKT_LEN_ATTR_PKT_LEN. 8434d5ec89fSNuman Siddique * @OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_LESS_EQUAL - Nested OVS_ACTION_ATTR_* 8444d5ec89fSNuman Siddique * actions to apply if the packer length is lesser or equal to the specified 8454d5ec89fSNuman Siddique * length in the attr - OVS_CHECK_PKT_LEN_ATTR_PKT_LEN. 8464d5ec89fSNuman Siddique */ 8474d5ec89fSNuman Siddique enum ovs_check_pkt_len_attr { 8484d5ec89fSNuman Siddique OVS_CHECK_PKT_LEN_ATTR_UNSPEC, 8494d5ec89fSNuman Siddique OVS_CHECK_PKT_LEN_ATTR_PKT_LEN, 8504d5ec89fSNuman Siddique OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_GREATER, 8514d5ec89fSNuman Siddique OVS_CHECK_PKT_LEN_ATTR_ACTIONS_IF_LESS_EQUAL, 8524d5ec89fSNuman Siddique __OVS_CHECK_PKT_LEN_ATTR_MAX, 8534d5ec89fSNuman Siddique 8544d5ec89fSNuman Siddique #ifdef __KERNEL__ 8554d5ec89fSNuman Siddique OVS_CHECK_PKT_LEN_ATTR_ARG /* struct check_pkt_len_arg */ 8564d5ec89fSNuman Siddique #endif 8574d5ec89fSNuman Siddique }; 8584d5ec89fSNuman Siddique 8594d5ec89fSNuman Siddique #define OVS_CHECK_PKT_LEN_ATTR_MAX (__OVS_CHECK_PKT_LEN_ATTR_MAX - 1) 8604d5ec89fSNuman Siddique 8614d5ec89fSNuman Siddique #ifdef __KERNEL__ 8624d5ec89fSNuman Siddique struct check_pkt_len_arg { 8634d5ec89fSNuman Siddique u16 pkt_len; /* Same value as OVS_CHECK_PKT_LEN_ATTR_PKT_LEN'. */ 8644d5ec89fSNuman Siddique bool exec_for_greater; /* When true, actions in IF_GREATER will 8654d5ec89fSNuman Siddique * not change flow keys. False otherwise. 8664d5ec89fSNuman Siddique */ 8674d5ec89fSNuman Siddique bool exec_for_lesser_equal; /* When true, actions in IF_LESS_EQUAL 8684d5ec89fSNuman Siddique * will not change flow keys. False 8694d5ec89fSNuman Siddique * otherwise. 8704d5ec89fSNuman Siddique */ 8714d5ec89fSNuman Siddique }; 8724d5ec89fSNuman Siddique #endif 8734d5ec89fSNuman Siddique 87405752523SJarno Rajahalme /** 87522e3880aSThomas Graf * enum ovs_action_attr - Action types. 87622e3880aSThomas Graf * 87722e3880aSThomas Graf * @OVS_ACTION_ATTR_OUTPUT: Output packet to port. 878f2a4d086SWilliam Tu * @OVS_ACTION_ATTR_TRUNC: Output packet to port with truncated packet size. 87922e3880aSThomas Graf * @OVS_ACTION_ATTR_USERSPACE: Send packet to userspace according to nested 88022e3880aSThomas Graf * %OVS_USERSPACE_ATTR_* attributes. 88122e3880aSThomas Graf * @OVS_ACTION_ATTR_SET: Replaces the contents of an existing header. The 88222e3880aSThomas Graf * single nested %OVS_KEY_ATTR_* attribute specifies a header to modify and its 88322e3880aSThomas Graf * value. 88483d2b9baSJarno Rajahalme * @OVS_ACTION_ATTR_SET_MASKED: Replaces the contents of an existing header. A 88583d2b9baSJarno Rajahalme * nested %OVS_KEY_ATTR_* attribute specifies a header to modify, its value, 88683d2b9baSJarno Rajahalme * and a mask. For every bit set in the mask, the corresponding bit value 88783d2b9baSJarno Rajahalme * is copied from the value to the packet header field, rest of the bits are 88883d2b9baSJarno Rajahalme * left unchanged. The non-masked value bits must be passed in as zeroes. 88983d2b9baSJarno Rajahalme * Masking is not supported for the %OVS_KEY_ATTR_TUNNEL attribute. 8908c146bb9SThomas F Herbert * @OVS_ACTION_ATTR_PUSH_VLAN: Push a new outermost 802.1Q or 802.1ad header 8918c146bb9SThomas F Herbert * onto the packet. 8928c146bb9SThomas F Herbert * @OVS_ACTION_ATTR_POP_VLAN: Pop the outermost 802.1Q or 802.1ad header 8938c146bb9SThomas F Herbert * from the packet. 89422e3880aSThomas Graf * @OVS_ACTION_ATTR_SAMPLE: Probabilitically executes actions, as specified in 89522e3880aSThomas Graf * the nested %OVS_SAMPLE_ATTR_* attributes. 89625cd9ba0SSimon Horman * @OVS_ACTION_ATTR_PUSH_MPLS: Push a new MPLS label stack entry onto the 89725cd9ba0SSimon Horman * top of the packets MPLS label stack. Set the ethertype of the 89825cd9ba0SSimon Horman * encapsulating frame to either %ETH_P_MPLS_UC or %ETH_P_MPLS_MC to 89925cd9ba0SSimon Horman * indicate the new packet contents. 90025cd9ba0SSimon Horman * @OVS_ACTION_ATTR_POP_MPLS: Pop an MPLS label stack entry off of the 90125cd9ba0SSimon Horman * packet's MPLS label stack. Set the encapsulating frame's ethertype to 90225cd9ba0SSimon Horman * indicate the new packet contents. This could potentially still be 90325cd9ba0SSimon Horman * %ETH_P_MPLS if the resulting MPLS label stack is not empty. If there 90425cd9ba0SSimon Horman * is no MPLS label stack, as determined by ethertype, no action is taken. 9057f8a436eSJoe Stringer * @OVS_ACTION_ATTR_CT: Track the connection. Populate the conntrack-related 9067f8a436eSJoe Stringer * entries in the flow key. 90791820da6SJiri Benc * @OVS_ACTION_ATTR_PUSH_ETH: Push a new outermost Ethernet header onto the 90891820da6SJiri Benc * packet. 90991820da6SJiri Benc * @OVS_ACTION_ATTR_POP_ETH: Pop the outermost Ethernet header off the 91091820da6SJiri Benc * packet. 911b8226962SEric Garver * @OVS_ACTION_ATTR_CT_CLEAR: Clear conntrack state from the packet. 912b2d0f5d5SYi Yang * @OVS_ACTION_ATTR_PUSH_NSH: push NSH header to the packet. 913b2d0f5d5SYi Yang * @OVS_ACTION_ATTR_POP_NSH: pop the outermost NSH header off the packet. 914cd8a6c33SAndy Zhou * @OVS_ACTION_ATTR_METER: Run packet through a meter, which may drop the 915cd8a6c33SAndy Zhou * packet, or modify the packet (e.g., change the DSCP field). 916b2335040SYifeng Sun * @OVS_ACTION_ATTR_CLONE: make a copy of the packet and execute a list of 917b2335040SYifeng Sun * actions without affecting the original packet and key. 9184d5ec89fSNuman Siddique * @OVS_ACTION_ATTR_CHECK_PKT_LEN: Check the packet length and execute a set 9194d5ec89fSNuman Siddique * of actions if greater than the specified packet length, else execute 9204d5ec89fSNuman Siddique * another set of actions. 921*f66b53fdSMartin Varghese * @OVS_ACTION_ATTR_ADD_MPLS: Push a new MPLS label stack entry at the 922*f66b53fdSMartin Varghese * start of the packet or at the start of the l3 header depending on the value 923*f66b53fdSMartin Varghese * of l3 tunnel flag in the tun_flags field of OVS_ACTION_ATTR_ADD_MPLS 924*f66b53fdSMartin Varghese * argument. 92522e3880aSThomas Graf * 92622e3880aSThomas Graf * Only a single header can be set with a single %OVS_ACTION_ATTR_SET. Not all 92722e3880aSThomas Graf * fields within a header are modifiable, e.g. the IPv4 protocol and fragment 92822e3880aSThomas Graf * type may not be changed. 92983d2b9baSJarno Rajahalme * 93083d2b9baSJarno Rajahalme * @OVS_ACTION_ATTR_SET_TO_MASKED: Kernel internal masked set action translated 93183d2b9baSJarno Rajahalme * from the @OVS_ACTION_ATTR_SET. 93222e3880aSThomas Graf */ 93322e3880aSThomas Graf 93422e3880aSThomas Graf enum ovs_action_attr { 93522e3880aSThomas Graf OVS_ACTION_ATTR_UNSPEC, 93622e3880aSThomas Graf OVS_ACTION_ATTR_OUTPUT, /* u32 port number. */ 93722e3880aSThomas Graf OVS_ACTION_ATTR_USERSPACE, /* Nested OVS_USERSPACE_ATTR_*. */ 93822e3880aSThomas Graf OVS_ACTION_ATTR_SET, /* One nested OVS_KEY_ATTR_*. */ 93922e3880aSThomas Graf OVS_ACTION_ATTR_PUSH_VLAN, /* struct ovs_action_push_vlan. */ 94022e3880aSThomas Graf OVS_ACTION_ATTR_POP_VLAN, /* No argument. */ 94122e3880aSThomas Graf OVS_ACTION_ATTR_SAMPLE, /* Nested OVS_SAMPLE_ATTR_*. */ 942971427f3SAndy Zhou OVS_ACTION_ATTR_RECIRC, /* u32 recirc_id. */ 943971427f3SAndy Zhou OVS_ACTION_ATTR_HASH, /* struct ovs_action_hash. */ 94425cd9ba0SSimon Horman OVS_ACTION_ATTR_PUSH_MPLS, /* struct ovs_action_push_mpls. */ 94525cd9ba0SSimon Horman OVS_ACTION_ATTR_POP_MPLS, /* __be16 ethertype. */ 94683d2b9baSJarno Rajahalme OVS_ACTION_ATTR_SET_MASKED, /* One nested OVS_KEY_ATTR_* including 94783d2b9baSJarno Rajahalme * data immediately followed by a mask. 94883d2b9baSJarno Rajahalme * The data must be zero for the unmasked 94983d2b9baSJarno Rajahalme * bits. */ 9500a7cc172SJoe Stringer OVS_ACTION_ATTR_CT, /* Nested OVS_CT_ATTR_* . */ 951f2a4d086SWilliam Tu OVS_ACTION_ATTR_TRUNC, /* u32 struct ovs_action_trunc. */ 95291820da6SJiri Benc OVS_ACTION_ATTR_PUSH_ETH, /* struct ovs_action_push_eth. */ 95391820da6SJiri Benc OVS_ACTION_ATTR_POP_ETH, /* No argument. */ 954b8226962SEric Garver OVS_ACTION_ATTR_CT_CLEAR, /* No argument. */ 955b2d0f5d5SYi Yang OVS_ACTION_ATTR_PUSH_NSH, /* Nested OVS_NSH_KEY_ATTR_*. */ 956b2d0f5d5SYi Yang OVS_ACTION_ATTR_POP_NSH, /* No argument. */ 957cd8a6c33SAndy Zhou OVS_ACTION_ATTR_METER, /* u32 meter ID. */ 958b2335040SYifeng Sun OVS_ACTION_ATTR_CLONE, /* Nested OVS_CLONE_ATTR_*. */ 9594d5ec89fSNuman Siddique OVS_ACTION_ATTR_CHECK_PKT_LEN, /* Nested OVS_CHECK_PKT_LEN_ATTR_*. */ 960*f66b53fdSMartin Varghese OVS_ACTION_ATTR_ADD_MPLS, /* struct ovs_action_add_mpls. */ 96125cd9ba0SSimon Horman 96283d2b9baSJarno Rajahalme __OVS_ACTION_ATTR_MAX, /* Nothing past this will be accepted 96383d2b9baSJarno Rajahalme * from userspace. */ 96483d2b9baSJarno Rajahalme 96583d2b9baSJarno Rajahalme #ifdef __KERNEL__ 96683d2b9baSJarno Rajahalme OVS_ACTION_ATTR_SET_TO_MASKED, /* Kernel module internal masked 96783d2b9baSJarno Rajahalme * set action converted from 96883d2b9baSJarno Rajahalme * OVS_ACTION_ATTR_SET. */ 96983d2b9baSJarno Rajahalme #endif 97022e3880aSThomas Graf }; 97122e3880aSThomas Graf 97222e3880aSThomas Graf #define OVS_ACTION_ATTR_MAX (__OVS_ACTION_ATTR_MAX - 1) 97322e3880aSThomas Graf 97457940406SAndy Zhou /* Meters. */ 97557940406SAndy Zhou #define OVS_METER_FAMILY "ovs_meter" 97657940406SAndy Zhou #define OVS_METER_MCGROUP "ovs_meter" 97757940406SAndy Zhou #define OVS_METER_VERSION 0x1 97857940406SAndy Zhou 97957940406SAndy Zhou enum ovs_meter_cmd { 98057940406SAndy Zhou OVS_METER_CMD_UNSPEC, 98157940406SAndy Zhou OVS_METER_CMD_FEATURES, /* Get features supported by the datapath. */ 98257940406SAndy Zhou OVS_METER_CMD_SET, /* Add or modify a meter. */ 98357940406SAndy Zhou OVS_METER_CMD_DEL, /* Delete a meter. */ 98457940406SAndy Zhou OVS_METER_CMD_GET /* Get meter stats. */ 98557940406SAndy Zhou }; 98657940406SAndy Zhou 98757940406SAndy Zhou enum ovs_meter_attr { 98857940406SAndy Zhou OVS_METER_ATTR_UNSPEC, 98957940406SAndy Zhou OVS_METER_ATTR_ID, /* u32 meter ID within datapath. */ 99057940406SAndy Zhou OVS_METER_ATTR_KBPS, /* No argument. If set, units in kilobits 99157940406SAndy Zhou * per second. Otherwise, units in 99257940406SAndy Zhou * packets per second. 99357940406SAndy Zhou */ 99457940406SAndy Zhou OVS_METER_ATTR_STATS, /* struct ovs_flow_stats for the meter. */ 99557940406SAndy Zhou OVS_METER_ATTR_BANDS, /* Nested attributes for meter bands. */ 99657940406SAndy Zhou OVS_METER_ATTR_USED, /* u64 msecs last used in monotonic time. */ 99757940406SAndy Zhou OVS_METER_ATTR_CLEAR, /* Flag to clear stats, used. */ 99857940406SAndy Zhou OVS_METER_ATTR_MAX_METERS, /* u32 number of meters supported. */ 99957940406SAndy Zhou OVS_METER_ATTR_MAX_BANDS, /* u32 max number of bands per meter. */ 100057940406SAndy Zhou OVS_METER_ATTR_PAD, 100157940406SAndy Zhou __OVS_METER_ATTR_MAX 100257940406SAndy Zhou }; 100357940406SAndy Zhou 100457940406SAndy Zhou #define OVS_METER_ATTR_MAX (__OVS_METER_ATTR_MAX - 1) 100557940406SAndy Zhou 100657940406SAndy Zhou enum ovs_band_attr { 100757940406SAndy Zhou OVS_BAND_ATTR_UNSPEC, 100857940406SAndy Zhou OVS_BAND_ATTR_TYPE, /* u32 OVS_METER_BAND_TYPE_* constant. */ 100957940406SAndy Zhou OVS_BAND_ATTR_RATE, /* u32 band rate in meter units (see above). */ 101057940406SAndy Zhou OVS_BAND_ATTR_BURST, /* u32 burst size in meter units. */ 101157940406SAndy Zhou OVS_BAND_ATTR_STATS, /* struct ovs_flow_stats for the band. */ 101257940406SAndy Zhou __OVS_BAND_ATTR_MAX 101357940406SAndy Zhou }; 101457940406SAndy Zhou 101557940406SAndy Zhou #define OVS_BAND_ATTR_MAX (__OVS_BAND_ATTR_MAX - 1) 101657940406SAndy Zhou 101757940406SAndy Zhou enum ovs_meter_band_type { 101857940406SAndy Zhou OVS_METER_BAND_TYPE_UNSPEC, 101957940406SAndy Zhou OVS_METER_BAND_TYPE_DROP, /* Drop exceeding packets. */ 102057940406SAndy Zhou __OVS_METER_BAND_TYPE_MAX 102157940406SAndy Zhou }; 102257940406SAndy Zhou 102357940406SAndy Zhou #define OVS_METER_BAND_TYPE_MAX (__OVS_METER_BAND_TYPE_MAX - 1) 102457940406SAndy Zhou 10255972be6bSYi-Hung Wei /* Conntrack limit */ 10265972be6bSYi-Hung Wei #define OVS_CT_LIMIT_FAMILY "ovs_ct_limit" 10275972be6bSYi-Hung Wei #define OVS_CT_LIMIT_MCGROUP "ovs_ct_limit" 10285972be6bSYi-Hung Wei #define OVS_CT_LIMIT_VERSION 0x1 10295972be6bSYi-Hung Wei 10305972be6bSYi-Hung Wei enum ovs_ct_limit_cmd { 10315972be6bSYi-Hung Wei OVS_CT_LIMIT_CMD_UNSPEC, 10325972be6bSYi-Hung Wei OVS_CT_LIMIT_CMD_SET, /* Add or modify ct limit. */ 10335972be6bSYi-Hung Wei OVS_CT_LIMIT_CMD_DEL, /* Delete ct limit. */ 10345972be6bSYi-Hung Wei OVS_CT_LIMIT_CMD_GET /* Get ct limit. */ 10355972be6bSYi-Hung Wei }; 10365972be6bSYi-Hung Wei 10375972be6bSYi-Hung Wei enum ovs_ct_limit_attr { 10385972be6bSYi-Hung Wei OVS_CT_LIMIT_ATTR_UNSPEC, 10395972be6bSYi-Hung Wei OVS_CT_LIMIT_ATTR_ZONE_LIMIT, /* Nested struct ovs_zone_limit. */ 10405972be6bSYi-Hung Wei __OVS_CT_LIMIT_ATTR_MAX 10415972be6bSYi-Hung Wei }; 10425972be6bSYi-Hung Wei 10435972be6bSYi-Hung Wei #define OVS_CT_LIMIT_ATTR_MAX (__OVS_CT_LIMIT_ATTR_MAX - 1) 10445972be6bSYi-Hung Wei 10455972be6bSYi-Hung Wei #define OVS_ZONE_LIMIT_DEFAULT_ZONE -1 10465972be6bSYi-Hung Wei 10475972be6bSYi-Hung Wei struct ovs_zone_limit { 10485972be6bSYi-Hung Wei int zone_id; 10495972be6bSYi-Hung Wei __u32 limit; 10505972be6bSYi-Hung Wei __u32 count; 10515972be6bSYi-Hung Wei }; 10525972be6bSYi-Hung Wei 105322e3880aSThomas Graf #endif /* _LINUX_OPENVSWITCH_H */ 1054