122e3880aSThomas Graf 222e3880aSThomas Graf /* 303f0d916SAndy Zhou * Copyright (c) 2007-2013 Nicira, Inc. 422e3880aSThomas Graf * 522e3880aSThomas Graf * This program is free software; you can redistribute it and/or 622e3880aSThomas Graf * modify it under the terms of version 2 of the GNU General Public 722e3880aSThomas Graf * License as published by the Free Software Foundation. 822e3880aSThomas Graf * 922e3880aSThomas Graf * This program is distributed in the hope that it will be useful, but 1022e3880aSThomas Graf * WITHOUT ANY WARRANTY; without even the implied warranty of 1122e3880aSThomas Graf * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 1222e3880aSThomas Graf * General Public License for more details. 1322e3880aSThomas Graf * 1422e3880aSThomas Graf * You should have received a copy of the GNU General Public License 1522e3880aSThomas Graf * along with this program; if not, write to the Free Software 1622e3880aSThomas Graf * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 1722e3880aSThomas Graf * 02110-1301, USA 1822e3880aSThomas Graf */ 1922e3880aSThomas Graf 2022e3880aSThomas Graf #ifndef _UAPI__LINUX_OPENVSWITCH_H 2122e3880aSThomas Graf #define _UAPI__LINUX_OPENVSWITCH_H 1 2222e3880aSThomas Graf 2322e3880aSThomas Graf #include <linux/types.h> 2422e3880aSThomas Graf #include <linux/if_ether.h> 2522e3880aSThomas Graf 2622e3880aSThomas Graf /** 2722e3880aSThomas Graf * struct ovs_header - header for OVS Generic Netlink messages. 2822e3880aSThomas Graf * @dp_ifindex: ifindex of local port for datapath (0 to make a request not 2922e3880aSThomas Graf * specific to a datapath). 3022e3880aSThomas Graf * 3122e3880aSThomas Graf * Attributes following the header are specific to a particular OVS Generic 3222e3880aSThomas Graf * Netlink family, but all of the OVS families use this header. 3322e3880aSThomas Graf */ 3422e3880aSThomas Graf 3522e3880aSThomas Graf struct ovs_header { 3622e3880aSThomas Graf int dp_ifindex; 3722e3880aSThomas Graf }; 3822e3880aSThomas Graf 3922e3880aSThomas Graf /* Datapaths. */ 4022e3880aSThomas Graf 4122e3880aSThomas Graf #define OVS_DATAPATH_FAMILY "ovs_datapath" 4222e3880aSThomas Graf #define OVS_DATAPATH_MCGROUP "ovs_datapath" 4344da5ae5SThomas Graf 4444da5ae5SThomas Graf /* V2: 4544da5ae5SThomas Graf * - API users are expected to provide OVS_DP_ATTR_USER_FEATURES 4644da5ae5SThomas Graf * when creating the datapath. 4744da5ae5SThomas Graf */ 4844da5ae5SThomas Graf #define OVS_DATAPATH_VERSION 2 4944da5ae5SThomas Graf 5044da5ae5SThomas Graf /* First OVS datapath version to support features */ 5144da5ae5SThomas Graf #define OVS_DP_VER_FEATURES 2 5222e3880aSThomas Graf 5322e3880aSThomas Graf enum ovs_datapath_cmd { 5422e3880aSThomas Graf OVS_DP_CMD_UNSPEC, 5522e3880aSThomas Graf OVS_DP_CMD_NEW, 5622e3880aSThomas Graf OVS_DP_CMD_DEL, 5722e3880aSThomas Graf OVS_DP_CMD_GET, 5822e3880aSThomas Graf OVS_DP_CMD_SET 5922e3880aSThomas Graf }; 6022e3880aSThomas Graf 6122e3880aSThomas Graf /** 6222e3880aSThomas Graf * enum ovs_datapath_attr - attributes for %OVS_DP_* commands. 6322e3880aSThomas Graf * @OVS_DP_ATTR_NAME: Name of the network device that serves as the "local 6422e3880aSThomas Graf * port". This is the name of the network device whose dp_ifindex is given in 6522e3880aSThomas Graf * the &struct ovs_header. Always present in notifications. Required in 6622e3880aSThomas Graf * %OVS_DP_NEW requests. May be used as an alternative to specifying 6722e3880aSThomas Graf * dp_ifindex in other requests (with a dp_ifindex of 0). 6822e3880aSThomas Graf * @OVS_DP_ATTR_UPCALL_PID: The Netlink socket in userspace that is initially 6922e3880aSThomas Graf * set on the datapath port (for OVS_ACTION_ATTR_MISS). Only valid on 7022e3880aSThomas Graf * %OVS_DP_CMD_NEW requests. A value of zero indicates that upcalls should 7122e3880aSThomas Graf * not be sent. 7222e3880aSThomas Graf * @OVS_DP_ATTR_STATS: Statistics about packets that have passed through the 7322e3880aSThomas Graf * datapath. Always present in notifications. 741bd7116fSAndy Zhou * @OVS_DP_ATTR_MEGAFLOW_STATS: Statistics about mega flow masks usage for the 751bd7116fSAndy Zhou * datapath. Always present in notifications. 7622e3880aSThomas Graf * 7722e3880aSThomas Graf * These attributes follow the &struct ovs_header within the Generic Netlink 7822e3880aSThomas Graf * payload for %OVS_DP_* commands. 7922e3880aSThomas Graf */ 8022e3880aSThomas Graf enum ovs_datapath_attr { 8122e3880aSThomas Graf OVS_DP_ATTR_UNSPEC, 8222e3880aSThomas Graf OVS_DP_ATTR_NAME, /* name of dp_ifindex netdev */ 8322e3880aSThomas Graf OVS_DP_ATTR_UPCALL_PID, /* Netlink PID to receive upcalls */ 8422e3880aSThomas Graf OVS_DP_ATTR_STATS, /* struct ovs_dp_stats */ 851bd7116fSAndy Zhou OVS_DP_ATTR_MEGAFLOW_STATS, /* struct ovs_dp_megaflow_stats */ 8643d4be9cSThomas Graf OVS_DP_ATTR_USER_FEATURES, /* OVS_DP_F_* */ 8722e3880aSThomas Graf __OVS_DP_ATTR_MAX 8822e3880aSThomas Graf }; 8922e3880aSThomas Graf 9022e3880aSThomas Graf #define OVS_DP_ATTR_MAX (__OVS_DP_ATTR_MAX - 1) 9122e3880aSThomas Graf 9222e3880aSThomas Graf struct ovs_dp_stats { 9322e3880aSThomas Graf __u64 n_hit; /* Number of flow table matches. */ 9422e3880aSThomas Graf __u64 n_missed; /* Number of flow table misses. */ 9522e3880aSThomas Graf __u64 n_lost; /* Number of misses not sent to userspace. */ 9622e3880aSThomas Graf __u64 n_flows; /* Number of flows present */ 9722e3880aSThomas Graf }; 9822e3880aSThomas Graf 991bd7116fSAndy Zhou struct ovs_dp_megaflow_stats { 1001bd7116fSAndy Zhou __u64 n_mask_hit; /* Number of masks used for flow lookups. */ 1011bd7116fSAndy Zhou __u32 n_masks; /* Number of masks for the datapath. */ 1021bd7116fSAndy Zhou __u32 pad0; /* Pad for future expension. */ 1031bd7116fSAndy Zhou __u64 pad1; /* Pad for future expension. */ 1041bd7116fSAndy Zhou __u64 pad2; /* Pad for future expension. */ 1051bd7116fSAndy Zhou }; 1061bd7116fSAndy Zhou 10722e3880aSThomas Graf struct ovs_vport_stats { 10822e3880aSThomas Graf __u64 rx_packets; /* total packets received */ 10922e3880aSThomas Graf __u64 tx_packets; /* total packets transmitted */ 11022e3880aSThomas Graf __u64 rx_bytes; /* total bytes received */ 11122e3880aSThomas Graf __u64 tx_bytes; /* total bytes transmitted */ 11222e3880aSThomas Graf __u64 rx_errors; /* bad packets received */ 11322e3880aSThomas Graf __u64 tx_errors; /* packet transmit problems */ 11422e3880aSThomas Graf __u64 rx_dropped; /* no space in linux buffers */ 11522e3880aSThomas Graf __u64 tx_dropped; /* no space available in linux */ 11622e3880aSThomas Graf }; 11722e3880aSThomas Graf 11843d4be9cSThomas Graf /* Allow last Netlink attribute to be unaligned */ 11943d4be9cSThomas Graf #define OVS_DP_F_UNALIGNED (1 << 0) 12043d4be9cSThomas Graf 1215cd667b0SAlex Wang /* Allow datapath to associate multiple Netlink PIDs to each vport */ 1225cd667b0SAlex Wang #define OVS_DP_F_VPORT_PIDS (1 << 1) 1235cd667b0SAlex Wang 12422e3880aSThomas Graf /* Fixed logical ports. */ 12522e3880aSThomas Graf #define OVSP_LOCAL ((__u32)0) 12622e3880aSThomas Graf 12722e3880aSThomas Graf /* Packet transfer. */ 12822e3880aSThomas Graf 12922e3880aSThomas Graf #define OVS_PACKET_FAMILY "ovs_packet" 13022e3880aSThomas Graf #define OVS_PACKET_VERSION 0x1 13122e3880aSThomas Graf 13222e3880aSThomas Graf enum ovs_packet_cmd { 13322e3880aSThomas Graf OVS_PACKET_CMD_UNSPEC, 13422e3880aSThomas Graf 13522e3880aSThomas Graf /* Kernel-to-user notifications. */ 13622e3880aSThomas Graf OVS_PACKET_CMD_MISS, /* Flow table miss. */ 13722e3880aSThomas Graf OVS_PACKET_CMD_ACTION, /* OVS_ACTION_ATTR_USERSPACE action. */ 13822e3880aSThomas Graf 13922e3880aSThomas Graf /* Userspace commands. */ 14022e3880aSThomas Graf OVS_PACKET_CMD_EXECUTE /* Apply actions to a packet. */ 14122e3880aSThomas Graf }; 14222e3880aSThomas Graf 14322e3880aSThomas Graf /** 14422e3880aSThomas Graf * enum ovs_packet_attr - attributes for %OVS_PACKET_* commands. 14522e3880aSThomas Graf * @OVS_PACKET_ATTR_PACKET: Present for all notifications. Contains the entire 14622e3880aSThomas Graf * packet as received, from the start of the Ethernet header onward. For 14722e3880aSThomas Graf * %OVS_PACKET_CMD_ACTION, %OVS_PACKET_ATTR_PACKET reflects changes made by 14822e3880aSThomas Graf * actions preceding %OVS_ACTION_ATTR_USERSPACE, but %OVS_PACKET_ATTR_KEY is 14922e3880aSThomas Graf * the flow key extracted from the packet as originally received. 15022e3880aSThomas Graf * @OVS_PACKET_ATTR_KEY: Present for all notifications. Contains the flow key 15122e3880aSThomas Graf * extracted from the packet as nested %OVS_KEY_ATTR_* attributes. This allows 15222e3880aSThomas Graf * userspace to adapt its flow setup strategy by comparing its notion of the 15322e3880aSThomas Graf * flow key against the kernel's. 15422e3880aSThomas Graf * @OVS_PACKET_ATTR_ACTIONS: Contains actions for the packet. Used 15522e3880aSThomas Graf * for %OVS_PACKET_CMD_EXECUTE. It has nested %OVS_ACTION_ATTR_* attributes. 156ccea7445SNeil McKee * Also used in upcall when %OVS_ACTION_ATTR_USERSPACE has optional 157ccea7445SNeil McKee * %OVS_USERSPACE_ATTR_ACTIONS attribute. 15822e3880aSThomas Graf * @OVS_PACKET_ATTR_USERDATA: Present for an %OVS_PACKET_CMD_ACTION 15922e3880aSThomas Graf * notification if the %OVS_ACTION_ATTR_USERSPACE action specified an 16022e3880aSThomas Graf * %OVS_USERSPACE_ATTR_USERDATA attribute, with the same length and content 16122e3880aSThomas Graf * specified there. 1628f0aad6fSWenyu Zhang * @OVS_PACKET_ATTR_EGRESS_TUN_KEY: Present for an %OVS_PACKET_CMD_ACTION 1638f0aad6fSWenyu Zhang * notification if the %OVS_ACTION_ATTR_USERSPACE action specified an 1648f0aad6fSWenyu Zhang * %OVS_USERSPACE_ATTR_EGRESS_TUN_PORT attribute, which is sent only if the 1658f0aad6fSWenyu Zhang * output port is actually a tunnel port. Contains the output tunnel key 1668f0aad6fSWenyu Zhang * extracted from the packet as nested %OVS_TUNNEL_KEY_ATTR_* attributes. 1677f8a436eSJoe Stringer * @OVS_PACKET_ATTR_MRU: Present for an %OVS_PACKET_CMD_ACTION and 1687f8a436eSJoe Stringer * %OVS_PACKET_ATTR_USERSPACE action specify the Maximum received fragment 1697f8a436eSJoe Stringer * size. 17022e3880aSThomas Graf * 17122e3880aSThomas Graf * These attributes follow the &struct ovs_header within the Generic Netlink 17222e3880aSThomas Graf * payload for %OVS_PACKET_* commands. 17322e3880aSThomas Graf */ 17422e3880aSThomas Graf enum ovs_packet_attr { 17522e3880aSThomas Graf OVS_PACKET_ATTR_UNSPEC, 17622e3880aSThomas Graf OVS_PACKET_ATTR_PACKET, /* Packet data. */ 17722e3880aSThomas Graf OVS_PACKET_ATTR_KEY, /* Nested OVS_KEY_ATTR_* attributes. */ 17822e3880aSThomas Graf OVS_PACKET_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */ 17922e3880aSThomas Graf OVS_PACKET_ATTR_USERDATA, /* OVS_ACTION_ATTR_USERSPACE arg. */ 1808f0aad6fSWenyu Zhang OVS_PACKET_ATTR_EGRESS_TUN_KEY, /* Nested OVS_TUNNEL_KEY_ATTR_* 1818f0aad6fSWenyu Zhang attributes. */ 1821ba39804SThomas Graf OVS_PACKET_ATTR_UNUSED1, 1831ba39804SThomas Graf OVS_PACKET_ATTR_UNUSED2, 1841ba39804SThomas Graf OVS_PACKET_ATTR_PROBE, /* Packet operation is a feature probe, 1851ba39804SThomas Graf error logging should be suppressed. */ 1867f8a436eSJoe Stringer OVS_PACKET_ATTR_MRU, /* Maximum received IP fragment size. */ 18722e3880aSThomas Graf __OVS_PACKET_ATTR_MAX 18822e3880aSThomas Graf }; 18922e3880aSThomas Graf 19022e3880aSThomas Graf #define OVS_PACKET_ATTR_MAX (__OVS_PACKET_ATTR_MAX - 1) 19122e3880aSThomas Graf 19222e3880aSThomas Graf /* Virtual ports. */ 19322e3880aSThomas Graf 19422e3880aSThomas Graf #define OVS_VPORT_FAMILY "ovs_vport" 19522e3880aSThomas Graf #define OVS_VPORT_MCGROUP "ovs_vport" 19622e3880aSThomas Graf #define OVS_VPORT_VERSION 0x1 19722e3880aSThomas Graf 19822e3880aSThomas Graf enum ovs_vport_cmd { 19922e3880aSThomas Graf OVS_VPORT_CMD_UNSPEC, 20022e3880aSThomas Graf OVS_VPORT_CMD_NEW, 20122e3880aSThomas Graf OVS_VPORT_CMD_DEL, 20222e3880aSThomas Graf OVS_VPORT_CMD_GET, 20322e3880aSThomas Graf OVS_VPORT_CMD_SET 20422e3880aSThomas Graf }; 20522e3880aSThomas Graf 20622e3880aSThomas Graf enum ovs_vport_type { 20722e3880aSThomas Graf OVS_VPORT_TYPE_UNSPEC, 20822e3880aSThomas Graf OVS_VPORT_TYPE_NETDEV, /* network device */ 20922e3880aSThomas Graf OVS_VPORT_TYPE_INTERNAL, /* network device implemented by datapath */ 210aa310701SPravin B Shelar OVS_VPORT_TYPE_GRE, /* GRE tunnel. */ 21158264848SPravin B Shelar OVS_VPORT_TYPE_VXLAN, /* VXLAN tunnel. */ 212f5796684SJesse Gross OVS_VPORT_TYPE_GENEVE, /* Geneve tunnel. */ 21322e3880aSThomas Graf __OVS_VPORT_TYPE_MAX 21422e3880aSThomas Graf }; 21522e3880aSThomas Graf 21622e3880aSThomas Graf #define OVS_VPORT_TYPE_MAX (__OVS_VPORT_TYPE_MAX - 1) 21722e3880aSThomas Graf 21822e3880aSThomas Graf /** 21922e3880aSThomas Graf * enum ovs_vport_attr - attributes for %OVS_VPORT_* commands. 22022e3880aSThomas Graf * @OVS_VPORT_ATTR_PORT_NO: 32-bit port number within datapath. 22122e3880aSThomas Graf * @OVS_VPORT_ATTR_TYPE: 32-bit %OVS_VPORT_TYPE_* constant describing the type 22222e3880aSThomas Graf * of vport. 22322e3880aSThomas Graf * @OVS_VPORT_ATTR_NAME: Name of vport. For a vport based on a network device 22422e3880aSThomas Graf * this is the name of the network device. Maximum length %IFNAMSIZ-1 bytes 22522e3880aSThomas Graf * plus a null terminator. 22622e3880aSThomas Graf * @OVS_VPORT_ATTR_OPTIONS: Vport-specific configuration information. 2275cd667b0SAlex Wang * @OVS_VPORT_ATTR_UPCALL_PID: The array of Netlink socket pids in userspace 2285cd667b0SAlex Wang * among which OVS_PACKET_CMD_MISS upcalls will be distributed for packets 2295cd667b0SAlex Wang * received on this port. If this is a single-element array of value 0, 2305cd667b0SAlex Wang * upcalls should not be sent. 23122e3880aSThomas Graf * @OVS_VPORT_ATTR_STATS: A &struct ovs_vport_stats giving statistics for 23222e3880aSThomas Graf * packets sent or received through the vport. 23322e3880aSThomas Graf * 23422e3880aSThomas Graf * These attributes follow the &struct ovs_header within the Generic Netlink 23522e3880aSThomas Graf * payload for %OVS_VPORT_* commands. 23622e3880aSThomas Graf * 23722e3880aSThomas Graf * For %OVS_VPORT_CMD_NEW requests, the %OVS_VPORT_ATTR_TYPE and 23822e3880aSThomas Graf * %OVS_VPORT_ATTR_NAME attributes are required. %OVS_VPORT_ATTR_PORT_NO is 23922e3880aSThomas Graf * optional; if not specified a free port number is automatically selected. 24022e3880aSThomas Graf * Whether %OVS_VPORT_ATTR_OPTIONS is required or optional depends on the type 24122e3880aSThomas Graf * of vport. 24222e3880aSThomas Graf * 24322e3880aSThomas Graf * For other requests, if %OVS_VPORT_ATTR_NAME is specified then it is used to 24422e3880aSThomas Graf * look up the vport to operate on; otherwise dp_idx from the &struct 24522e3880aSThomas Graf * ovs_header plus %OVS_VPORT_ATTR_PORT_NO determine the vport. 24622e3880aSThomas Graf */ 24722e3880aSThomas Graf enum ovs_vport_attr { 24822e3880aSThomas Graf OVS_VPORT_ATTR_UNSPEC, 24922e3880aSThomas Graf OVS_VPORT_ATTR_PORT_NO, /* u32 port number within datapath */ 25022e3880aSThomas Graf OVS_VPORT_ATTR_TYPE, /* u32 OVS_VPORT_TYPE_* constant. */ 25122e3880aSThomas Graf OVS_VPORT_ATTR_NAME, /* string name, up to IFNAMSIZ bytes long */ 25222e3880aSThomas Graf OVS_VPORT_ATTR_OPTIONS, /* nested attributes, varies by vport type */ 2535cd667b0SAlex Wang OVS_VPORT_ATTR_UPCALL_PID, /* array of u32 Netlink socket PIDs for */ 2545cd667b0SAlex Wang /* receiving upcalls */ 25522e3880aSThomas Graf OVS_VPORT_ATTR_STATS, /* struct ovs_vport_stats */ 25622e3880aSThomas Graf __OVS_VPORT_ATTR_MAX 25722e3880aSThomas Graf }; 25822e3880aSThomas Graf 25922e3880aSThomas Graf #define OVS_VPORT_ATTR_MAX (__OVS_VPORT_ATTR_MAX - 1) 26022e3880aSThomas Graf 2611dd144cfSThomas Graf enum { 2621dd144cfSThomas Graf OVS_VXLAN_EXT_UNSPEC, 2631dd144cfSThomas Graf OVS_VXLAN_EXT_GBP, /* Flag or __u32 */ 2641dd144cfSThomas Graf __OVS_VXLAN_EXT_MAX, 2651dd144cfSThomas Graf }; 2661dd144cfSThomas Graf 2671dd144cfSThomas Graf #define OVS_VXLAN_EXT_MAX (__OVS_VXLAN_EXT_MAX - 1) 2681dd144cfSThomas Graf 2691dd144cfSThomas Graf 27058264848SPravin B Shelar /* OVS_VPORT_ATTR_OPTIONS attributes for tunnels. 27158264848SPravin B Shelar */ 27258264848SPravin B Shelar enum { 27358264848SPravin B Shelar OVS_TUNNEL_ATTR_UNSPEC, 27458264848SPravin B Shelar OVS_TUNNEL_ATTR_DST_PORT, /* 16-bit UDP port, used by L4 tunnels. */ 2751dd144cfSThomas Graf OVS_TUNNEL_ATTR_EXTENSION, 27658264848SPravin B Shelar __OVS_TUNNEL_ATTR_MAX 27758264848SPravin B Shelar }; 27858264848SPravin B Shelar 27958264848SPravin B Shelar #define OVS_TUNNEL_ATTR_MAX (__OVS_TUNNEL_ATTR_MAX - 1) 28058264848SPravin B Shelar 28122e3880aSThomas Graf /* Flows. */ 28222e3880aSThomas Graf 28322e3880aSThomas Graf #define OVS_FLOW_FAMILY "ovs_flow" 28422e3880aSThomas Graf #define OVS_FLOW_MCGROUP "ovs_flow" 28522e3880aSThomas Graf #define OVS_FLOW_VERSION 0x1 28622e3880aSThomas Graf 28722e3880aSThomas Graf enum ovs_flow_cmd { 28822e3880aSThomas Graf OVS_FLOW_CMD_UNSPEC, 28922e3880aSThomas Graf OVS_FLOW_CMD_NEW, 29022e3880aSThomas Graf OVS_FLOW_CMD_DEL, 29122e3880aSThomas Graf OVS_FLOW_CMD_GET, 29222e3880aSThomas Graf OVS_FLOW_CMD_SET 29322e3880aSThomas Graf }; 29422e3880aSThomas Graf 29522e3880aSThomas Graf struct ovs_flow_stats { 29622e3880aSThomas Graf __u64 n_packets; /* Number of matched packets. */ 29722e3880aSThomas Graf __u64 n_bytes; /* Number of matched bytes. */ 29822e3880aSThomas Graf }; 29922e3880aSThomas Graf 30022e3880aSThomas Graf enum ovs_key_attr { 30122e3880aSThomas Graf OVS_KEY_ATTR_UNSPEC, 30222e3880aSThomas Graf OVS_KEY_ATTR_ENCAP, /* Nested set of encapsulated attributes. */ 30322e3880aSThomas Graf OVS_KEY_ATTR_PRIORITY, /* u32 skb->priority */ 30422e3880aSThomas Graf OVS_KEY_ATTR_IN_PORT, /* u32 OVS dp port number */ 30522e3880aSThomas Graf OVS_KEY_ATTR_ETHERNET, /* struct ovs_key_ethernet */ 30622e3880aSThomas Graf OVS_KEY_ATTR_VLAN, /* be16 VLAN TCI */ 30722e3880aSThomas Graf OVS_KEY_ATTR_ETHERTYPE, /* be16 Ethernet type */ 30822e3880aSThomas Graf OVS_KEY_ATTR_IPV4, /* struct ovs_key_ipv4 */ 30922e3880aSThomas Graf OVS_KEY_ATTR_IPV6, /* struct ovs_key_ipv6 */ 31022e3880aSThomas Graf OVS_KEY_ATTR_TCP, /* struct ovs_key_tcp */ 31122e3880aSThomas Graf OVS_KEY_ATTR_UDP, /* struct ovs_key_udp */ 31222e3880aSThomas Graf OVS_KEY_ATTR_ICMP, /* struct ovs_key_icmp */ 31322e3880aSThomas Graf OVS_KEY_ATTR_ICMPV6, /* struct ovs_key_icmpv6 */ 31422e3880aSThomas Graf OVS_KEY_ATTR_ARP, /* struct ovs_key_arp */ 31522e3880aSThomas Graf OVS_KEY_ATTR_ND, /* struct ovs_key_nd */ 31622e3880aSThomas Graf OVS_KEY_ATTR_SKB_MARK, /* u32 skb mark */ 3177d5437c7SPravin B Shelar OVS_KEY_ATTR_TUNNEL, /* Nested set of ovs_tunnel attributes */ 318a175a723SJoe Stringer OVS_KEY_ATTR_SCTP, /* struct ovs_key_sctp */ 3195eb26b15SJarno Rajahalme OVS_KEY_ATTR_TCP_FLAGS, /* be16 TCP flags. */ 320971427f3SAndy Zhou OVS_KEY_ATTR_DP_HASH, /* u32 hash value. Value 0 indicates the hash 321971427f3SAndy Zhou is not computed by the datapath. */ 322971427f3SAndy Zhou OVS_KEY_ATTR_RECIRC_ID, /* u32 recirc id */ 32325cd9ba0SSimon Horman OVS_KEY_ATTR_MPLS, /* array of struct ovs_key_mpls. 32425cd9ba0SSimon Horman * The implementation may restrict 32525cd9ba0SSimon Horman * the accepted length of the array. */ 3267f8a436eSJoe Stringer OVS_KEY_ATTR_CT_STATE, /* u8 bitmask of OVS_CS_F_* */ 3277f8a436eSJoe Stringer OVS_KEY_ATTR_CT_ZONE, /* u16 connection tracking zone. */ 328182e3042SJoe Stringer OVS_KEY_ATTR_CT_MARK, /* u32 connection tracking mark */ 329c2ac6673SJoe Stringer OVS_KEY_ATTR_CT_LABEL, /* 16-octet connection tracking label */ 3307d5437c7SPravin B Shelar 3317d5437c7SPravin B Shelar #ifdef __KERNEL__ 3321d8fff90SThomas Graf OVS_KEY_ATTR_TUNNEL_INFO, /* struct ip_tunnel_info */ 3337d5437c7SPravin B Shelar #endif 33422e3880aSThomas Graf __OVS_KEY_ATTR_MAX 33522e3880aSThomas Graf }; 33622e3880aSThomas Graf 33722e3880aSThomas Graf #define OVS_KEY_ATTR_MAX (__OVS_KEY_ATTR_MAX - 1) 33822e3880aSThomas Graf 3397d5437c7SPravin B Shelar enum ovs_tunnel_key_attr { 3407d5437c7SPravin B Shelar OVS_TUNNEL_KEY_ATTR_ID, /* be64 Tunnel ID */ 3417d5437c7SPravin B Shelar OVS_TUNNEL_KEY_ATTR_IPV4_SRC, /* be32 src IP address. */ 3427d5437c7SPravin B Shelar OVS_TUNNEL_KEY_ATTR_IPV4_DST, /* be32 dst IP address. */ 3437d5437c7SPravin B Shelar OVS_TUNNEL_KEY_ATTR_TOS, /* u8 Tunnel IP ToS. */ 3447d5437c7SPravin B Shelar OVS_TUNNEL_KEY_ATTR_TTL, /* u8 Tunnel IP TTL. */ 3457d5437c7SPravin B Shelar OVS_TUNNEL_KEY_ATTR_DONT_FRAGMENT, /* No argument, set DF. */ 3467d5437c7SPravin B Shelar OVS_TUNNEL_KEY_ATTR_CSUM, /* No argument. CSUM packet. */ 34767fa0341SJesse Gross OVS_TUNNEL_KEY_ATTR_OAM, /* No argument. OAM frame. */ 348f5796684SJesse Gross OVS_TUNNEL_KEY_ATTR_GENEVE_OPTS, /* Array of Geneve options. */ 3498f0aad6fSWenyu Zhang OVS_TUNNEL_KEY_ATTR_TP_SRC, /* be16 src Transport Port. */ 3508f0aad6fSWenyu Zhang OVS_TUNNEL_KEY_ATTR_TP_DST, /* be16 dst Transport Port. */ 3511dd144cfSThomas Graf OVS_TUNNEL_KEY_ATTR_VXLAN_OPTS, /* Nested OVS_VXLAN_EXT_* */ 352*6b26ba3aSJiri Benc OVS_TUNNEL_KEY_ATTR_IPV6_SRC, /* struct in6_addr src IPv6 address. */ 353*6b26ba3aSJiri Benc OVS_TUNNEL_KEY_ATTR_IPV6_DST, /* struct in6_addr dst IPv6 address. */ 3547d5437c7SPravin B Shelar __OVS_TUNNEL_KEY_ATTR_MAX 3557d5437c7SPravin B Shelar }; 3567d5437c7SPravin B Shelar 3577d5437c7SPravin B Shelar #define OVS_TUNNEL_KEY_ATTR_MAX (__OVS_TUNNEL_KEY_ATTR_MAX - 1) 3587d5437c7SPravin B Shelar 35922e3880aSThomas Graf /** 36022e3880aSThomas Graf * enum ovs_frag_type - IPv4 and IPv6 fragment type 36122e3880aSThomas Graf * @OVS_FRAG_TYPE_NONE: Packet is not a fragment. 36222e3880aSThomas Graf * @OVS_FRAG_TYPE_FIRST: Packet is a fragment with offset 0. 36322e3880aSThomas Graf * @OVS_FRAG_TYPE_LATER: Packet is a fragment with nonzero offset. 36422e3880aSThomas Graf * 36522e3880aSThomas Graf * Used as the @ipv4_frag in &struct ovs_key_ipv4 and as @ipv6_frag &struct 36622e3880aSThomas Graf * ovs_key_ipv6. 36722e3880aSThomas Graf */ 36822e3880aSThomas Graf enum ovs_frag_type { 36922e3880aSThomas Graf OVS_FRAG_TYPE_NONE, 37022e3880aSThomas Graf OVS_FRAG_TYPE_FIRST, 37122e3880aSThomas Graf OVS_FRAG_TYPE_LATER, 37222e3880aSThomas Graf __OVS_FRAG_TYPE_MAX 37322e3880aSThomas Graf }; 37422e3880aSThomas Graf 37522e3880aSThomas Graf #define OVS_FRAG_TYPE_MAX (__OVS_FRAG_TYPE_MAX - 1) 37622e3880aSThomas Graf 37722e3880aSThomas Graf struct ovs_key_ethernet { 37822e3880aSThomas Graf __u8 eth_src[ETH_ALEN]; 37922e3880aSThomas Graf __u8 eth_dst[ETH_ALEN]; 38022e3880aSThomas Graf }; 38122e3880aSThomas Graf 38225cd9ba0SSimon Horman struct ovs_key_mpls { 38325cd9ba0SSimon Horman __be32 mpls_lse; 38425cd9ba0SSimon Horman }; 38525cd9ba0SSimon Horman 38622e3880aSThomas Graf struct ovs_key_ipv4 { 38722e3880aSThomas Graf __be32 ipv4_src; 38822e3880aSThomas Graf __be32 ipv4_dst; 38922e3880aSThomas Graf __u8 ipv4_proto; 39022e3880aSThomas Graf __u8 ipv4_tos; 39122e3880aSThomas Graf __u8 ipv4_ttl; 39222e3880aSThomas Graf __u8 ipv4_frag; /* One of OVS_FRAG_TYPE_*. */ 39322e3880aSThomas Graf }; 39422e3880aSThomas Graf 39522e3880aSThomas Graf struct ovs_key_ipv6 { 39622e3880aSThomas Graf __be32 ipv6_src[4]; 39722e3880aSThomas Graf __be32 ipv6_dst[4]; 39822e3880aSThomas Graf __be32 ipv6_label; /* 20-bits in least-significant bits. */ 39922e3880aSThomas Graf __u8 ipv6_proto; 40022e3880aSThomas Graf __u8 ipv6_tclass; 40122e3880aSThomas Graf __u8 ipv6_hlimit; 40222e3880aSThomas Graf __u8 ipv6_frag; /* One of OVS_FRAG_TYPE_*. */ 40322e3880aSThomas Graf }; 40422e3880aSThomas Graf 40522e3880aSThomas Graf struct ovs_key_tcp { 40622e3880aSThomas Graf __be16 tcp_src; 40722e3880aSThomas Graf __be16 tcp_dst; 40822e3880aSThomas Graf }; 40922e3880aSThomas Graf 41022e3880aSThomas Graf struct ovs_key_udp { 41122e3880aSThomas Graf __be16 udp_src; 41222e3880aSThomas Graf __be16 udp_dst; 41322e3880aSThomas Graf }; 41422e3880aSThomas Graf 415a175a723SJoe Stringer struct ovs_key_sctp { 416a175a723SJoe Stringer __be16 sctp_src; 417a175a723SJoe Stringer __be16 sctp_dst; 418a175a723SJoe Stringer }; 419a175a723SJoe Stringer 42022e3880aSThomas Graf struct ovs_key_icmp { 42122e3880aSThomas Graf __u8 icmp_type; 42222e3880aSThomas Graf __u8 icmp_code; 42322e3880aSThomas Graf }; 42422e3880aSThomas Graf 42522e3880aSThomas Graf struct ovs_key_icmpv6 { 42622e3880aSThomas Graf __u8 icmpv6_type; 42722e3880aSThomas Graf __u8 icmpv6_code; 42822e3880aSThomas Graf }; 42922e3880aSThomas Graf 43022e3880aSThomas Graf struct ovs_key_arp { 43122e3880aSThomas Graf __be32 arp_sip; 43222e3880aSThomas Graf __be32 arp_tip; 43322e3880aSThomas Graf __be16 arp_op; 43422e3880aSThomas Graf __u8 arp_sha[ETH_ALEN]; 43522e3880aSThomas Graf __u8 arp_tha[ETH_ALEN]; 43622e3880aSThomas Graf }; 43722e3880aSThomas Graf 43822e3880aSThomas Graf struct ovs_key_nd { 4391a4e96a0SJarno Rajahalme __be32 nd_target[4]; 44022e3880aSThomas Graf __u8 nd_sll[ETH_ALEN]; 44122e3880aSThomas Graf __u8 nd_tll[ETH_ALEN]; 44222e3880aSThomas Graf }; 44322e3880aSThomas Graf 444c2ac6673SJoe Stringer #define OVS_CT_LABEL_LEN 16 445c2ac6673SJoe Stringer struct ovs_key_ct_label { 446c2ac6673SJoe Stringer __u8 ct_label[OVS_CT_LABEL_LEN]; 447c2ac6673SJoe Stringer }; 448c2ac6673SJoe Stringer 4497f8a436eSJoe Stringer /* OVS_KEY_ATTR_CT_STATE flags */ 4507f8a436eSJoe Stringer #define OVS_CS_F_NEW 0x01 /* Beginning of a new connection. */ 4517f8a436eSJoe Stringer #define OVS_CS_F_ESTABLISHED 0x02 /* Part of an existing connection. */ 4527f8a436eSJoe Stringer #define OVS_CS_F_RELATED 0x04 /* Related to an established 4537f8a436eSJoe Stringer * connection. */ 4547f8a436eSJoe Stringer #define OVS_CS_F_INVALID 0x20 /* Could not track connection. */ 4557f8a436eSJoe Stringer #define OVS_CS_F_REPLY_DIR 0x40 /* Flow is in the reply direction. */ 4567f8a436eSJoe Stringer #define OVS_CS_F_TRACKED 0x80 /* Conntrack has occurred. */ 4577f8a436eSJoe Stringer 45822e3880aSThomas Graf /** 45922e3880aSThomas Graf * enum ovs_flow_attr - attributes for %OVS_FLOW_* commands. 46022e3880aSThomas Graf * @OVS_FLOW_ATTR_KEY: Nested %OVS_KEY_ATTR_* attributes specifying the flow 46122e3880aSThomas Graf * key. Always present in notifications. Required for all requests (except 46222e3880aSThomas Graf * dumps). 46322e3880aSThomas Graf * @OVS_FLOW_ATTR_ACTIONS: Nested %OVS_ACTION_ATTR_* attributes specifying 46422e3880aSThomas Graf * the actions to take for packets that match the key. Always present in 46522e3880aSThomas Graf * notifications. Required for %OVS_FLOW_CMD_NEW requests, optional for 466be52c9e9SJarno Rajahalme * %OVS_FLOW_CMD_SET requests. An %OVS_FLOW_CMD_SET without 467be52c9e9SJarno Rajahalme * %OVS_FLOW_ATTR_ACTIONS will not modify the actions. To clear the actions, 468be52c9e9SJarno Rajahalme * an %OVS_FLOW_ATTR_ACTIONS without any nested attributes must be given. 46922e3880aSThomas Graf * @OVS_FLOW_ATTR_STATS: &struct ovs_flow_stats giving statistics for this 47022e3880aSThomas Graf * flow. Present in notifications if the stats would be nonzero. Ignored in 47122e3880aSThomas Graf * requests. 47222e3880aSThomas Graf * @OVS_FLOW_ATTR_TCP_FLAGS: An 8-bit value giving the OR'd value of all of the 47322e3880aSThomas Graf * TCP flags seen on packets in this flow. Only present in notifications for 47422e3880aSThomas Graf * TCP flows, and only if it would be nonzero. Ignored in requests. 47522e3880aSThomas Graf * @OVS_FLOW_ATTR_USED: A 64-bit integer giving the time, in milliseconds on 47622e3880aSThomas Graf * the system monotonic clock, at which a packet was last processed for this 47722e3880aSThomas Graf * flow. Only present in notifications if a packet has been processed for this 47822e3880aSThomas Graf * flow. Ignored in requests. 47922e3880aSThomas Graf * @OVS_FLOW_ATTR_CLEAR: If present in a %OVS_FLOW_CMD_SET request, clears the 48022e3880aSThomas Graf * last-used time, accumulated TCP flags, and statistics for this flow. 48122e3880aSThomas Graf * Otherwise ignored in requests. Never present in notifications. 48203f0d916SAndy Zhou * @OVS_FLOW_ATTR_MASK: Nested %OVS_KEY_ATTR_* attributes specifying the 48303f0d916SAndy Zhou * mask bits for wildcarded flow match. Mask bit value '1' specifies exact 48403f0d916SAndy Zhou * match with corresponding flow key bit, while mask bit value '0' specifies 48503f0d916SAndy Zhou * a wildcarded match. Omitting attribute is treated as wildcarding all 48603f0d916SAndy Zhou * corresponding fields. Optional for all requests. If not present, 48703f0d916SAndy Zhou * all flow key bits are exact match bits. 48874ed7ab9SJoe Stringer * @OVS_FLOW_ATTR_UFID: A value between 1-16 octets specifying a unique 48974ed7ab9SJoe Stringer * identifier for the flow. Causes the flow to be indexed by this value rather 49074ed7ab9SJoe Stringer * than the value of the %OVS_FLOW_ATTR_KEY attribute. Optional for all 49174ed7ab9SJoe Stringer * requests. Present in notifications if the flow was created with this 49274ed7ab9SJoe Stringer * attribute. 49374ed7ab9SJoe Stringer * @OVS_FLOW_ATTR_UFID_FLAGS: A 32-bit value of OR'd %OVS_UFID_F_* 49474ed7ab9SJoe Stringer * flags that provide alternative semantics for flow installation and 49574ed7ab9SJoe Stringer * retrieval. Optional for all requests. 49622e3880aSThomas Graf * 49722e3880aSThomas Graf * These attributes follow the &struct ovs_header within the Generic Netlink 49822e3880aSThomas Graf * payload for %OVS_FLOW_* commands. 49922e3880aSThomas Graf */ 50022e3880aSThomas Graf enum ovs_flow_attr { 50122e3880aSThomas Graf OVS_FLOW_ATTR_UNSPEC, 50222e3880aSThomas Graf OVS_FLOW_ATTR_KEY, /* Sequence of OVS_KEY_ATTR_* attributes. */ 50322e3880aSThomas Graf OVS_FLOW_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */ 50422e3880aSThomas Graf OVS_FLOW_ATTR_STATS, /* struct ovs_flow_stats. */ 50522e3880aSThomas Graf OVS_FLOW_ATTR_TCP_FLAGS, /* 8-bit OR'd TCP flags. */ 50622e3880aSThomas Graf OVS_FLOW_ATTR_USED, /* u64 msecs last used in monotonic time. */ 50722e3880aSThomas Graf OVS_FLOW_ATTR_CLEAR, /* Flag to clear stats, tcp_flags, used. */ 50803f0d916SAndy Zhou OVS_FLOW_ATTR_MASK, /* Sequence of OVS_KEY_ATTR_* attributes. */ 50905da5898SJarno Rajahalme OVS_FLOW_ATTR_PROBE, /* Flow operation is a feature probe, error 51005da5898SJarno Rajahalme * logging should be suppressed. */ 51174ed7ab9SJoe Stringer OVS_FLOW_ATTR_UFID, /* Variable length unique flow identifier. */ 51274ed7ab9SJoe Stringer OVS_FLOW_ATTR_UFID_FLAGS,/* u32 of OVS_UFID_F_*. */ 51322e3880aSThomas Graf __OVS_FLOW_ATTR_MAX 51422e3880aSThomas Graf }; 51522e3880aSThomas Graf 51622e3880aSThomas Graf #define OVS_FLOW_ATTR_MAX (__OVS_FLOW_ATTR_MAX - 1) 51722e3880aSThomas Graf 51822e3880aSThomas Graf /** 51974ed7ab9SJoe Stringer * Omit attributes for notifications. 52074ed7ab9SJoe Stringer * 52174ed7ab9SJoe Stringer * If a datapath request contains an %OVS_UFID_F_OMIT_* flag, then the datapath 52274ed7ab9SJoe Stringer * may omit the corresponding %OVS_FLOW_ATTR_* from the response. 52374ed7ab9SJoe Stringer */ 52474ed7ab9SJoe Stringer #define OVS_UFID_F_OMIT_KEY (1 << 0) 52574ed7ab9SJoe Stringer #define OVS_UFID_F_OMIT_MASK (1 << 1) 52674ed7ab9SJoe Stringer #define OVS_UFID_F_OMIT_ACTIONS (1 << 2) 52774ed7ab9SJoe Stringer 52874ed7ab9SJoe Stringer /** 52922e3880aSThomas Graf * enum ovs_sample_attr - Attributes for %OVS_ACTION_ATTR_SAMPLE action. 53022e3880aSThomas Graf * @OVS_SAMPLE_ATTR_PROBABILITY: 32-bit fraction of packets to sample with 53122e3880aSThomas Graf * @OVS_ACTION_ATTR_SAMPLE. A value of 0 samples no packets, a value of 53222e3880aSThomas Graf * %UINT32_MAX samples all packets and intermediate values sample intermediate 53322e3880aSThomas Graf * fractions of packets. 53422e3880aSThomas Graf * @OVS_SAMPLE_ATTR_ACTIONS: Set of actions to execute in sampling event. 53522e3880aSThomas Graf * Actions are passed as nested attributes. 53622e3880aSThomas Graf * 53722e3880aSThomas Graf * Executes the specified actions with the given probability on a per-packet 53822e3880aSThomas Graf * basis. 53922e3880aSThomas Graf */ 54022e3880aSThomas Graf enum ovs_sample_attr { 54122e3880aSThomas Graf OVS_SAMPLE_ATTR_UNSPEC, 54222e3880aSThomas Graf OVS_SAMPLE_ATTR_PROBABILITY, /* u32 number */ 54322e3880aSThomas Graf OVS_SAMPLE_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */ 54422e3880aSThomas Graf __OVS_SAMPLE_ATTR_MAX, 54522e3880aSThomas Graf }; 54622e3880aSThomas Graf 54722e3880aSThomas Graf #define OVS_SAMPLE_ATTR_MAX (__OVS_SAMPLE_ATTR_MAX - 1) 54822e3880aSThomas Graf 54922e3880aSThomas Graf /** 55022e3880aSThomas Graf * enum ovs_userspace_attr - Attributes for %OVS_ACTION_ATTR_USERSPACE action. 55122e3880aSThomas Graf * @OVS_USERSPACE_ATTR_PID: u32 Netlink PID to which the %OVS_PACKET_CMD_ACTION 55222e3880aSThomas Graf * message should be sent. Required. 55322e3880aSThomas Graf * @OVS_USERSPACE_ATTR_USERDATA: If present, its variable-length argument is 55422e3880aSThomas Graf * copied to the %OVS_PACKET_CMD_ACTION message as %OVS_PACKET_ATTR_USERDATA. 5558f0aad6fSWenyu Zhang * @OVS_USERSPACE_ATTR_EGRESS_TUN_PORT: If present, u32 output port to get 5568f0aad6fSWenyu Zhang * tunnel info. 557ccea7445SNeil McKee * @OVS_USERSPACE_ATTR_ACTIONS: If present, send actions with upcall. 55822e3880aSThomas Graf */ 55922e3880aSThomas Graf enum ovs_userspace_attr { 56022e3880aSThomas Graf OVS_USERSPACE_ATTR_UNSPEC, 56122e3880aSThomas Graf OVS_USERSPACE_ATTR_PID, /* u32 Netlink PID to receive upcalls. */ 56222e3880aSThomas Graf OVS_USERSPACE_ATTR_USERDATA, /* Optional user-specified cookie. */ 5638f0aad6fSWenyu Zhang OVS_USERSPACE_ATTR_EGRESS_TUN_PORT, /* Optional, u32 output port 5648f0aad6fSWenyu Zhang * to get tunnel info. */ 565ccea7445SNeil McKee OVS_USERSPACE_ATTR_ACTIONS, /* Optional flag to get actions. */ 56622e3880aSThomas Graf __OVS_USERSPACE_ATTR_MAX 56722e3880aSThomas Graf }; 56822e3880aSThomas Graf 56922e3880aSThomas Graf #define OVS_USERSPACE_ATTR_MAX (__OVS_USERSPACE_ATTR_MAX - 1) 57022e3880aSThomas Graf 57122e3880aSThomas Graf /** 57225cd9ba0SSimon Horman * struct ovs_action_push_mpls - %OVS_ACTION_ATTR_PUSH_MPLS action argument. 57325cd9ba0SSimon Horman * @mpls_lse: MPLS label stack entry to push. 57425cd9ba0SSimon Horman * @mpls_ethertype: Ethertype to set in the encapsulating ethernet frame. 57525cd9ba0SSimon Horman * 57625cd9ba0SSimon Horman * The only values @mpls_ethertype should ever be given are %ETH_P_MPLS_UC and 57725cd9ba0SSimon Horman * %ETH_P_MPLS_MC, indicating MPLS unicast or multicast. Other are rejected. 57825cd9ba0SSimon Horman */ 57925cd9ba0SSimon Horman struct ovs_action_push_mpls { 58025cd9ba0SSimon Horman __be32 mpls_lse; 58125cd9ba0SSimon Horman __be16 mpls_ethertype; /* Either %ETH_P_MPLS_UC or %ETH_P_MPLS_MC */ 58225cd9ba0SSimon Horman }; 58325cd9ba0SSimon Horman 58425cd9ba0SSimon Horman /** 58522e3880aSThomas Graf * struct ovs_action_push_vlan - %OVS_ACTION_ATTR_PUSH_VLAN action argument. 58622e3880aSThomas Graf * @vlan_tpid: Tag protocol identifier (TPID) to push. 58722e3880aSThomas Graf * @vlan_tci: Tag control identifier (TCI) to push. The CFI bit must be set 58822e3880aSThomas Graf * (but it will not be set in the 802.1Q header that is pushed). 58922e3880aSThomas Graf * 59022e3880aSThomas Graf * The @vlan_tpid value is typically %ETH_P_8021Q. The only acceptable TPID 59122e3880aSThomas Graf * values are those that the kernel module also parses as 802.1Q headers, to 59222e3880aSThomas Graf * prevent %OVS_ACTION_ATTR_PUSH_VLAN followed by %OVS_ACTION_ATTR_POP_VLAN 59322e3880aSThomas Graf * from having surprising results. 59422e3880aSThomas Graf */ 59522e3880aSThomas Graf struct ovs_action_push_vlan { 59622e3880aSThomas Graf __be16 vlan_tpid; /* 802.1Q TPID. */ 59722e3880aSThomas Graf __be16 vlan_tci; /* 802.1Q TCI (VLAN ID and priority). */ 59822e3880aSThomas Graf }; 59922e3880aSThomas Graf 600971427f3SAndy Zhou /* Data path hash algorithm for computing Datapath hash. 601971427f3SAndy Zhou * 602971427f3SAndy Zhou * The algorithm type only specifies the fields in a flow 603971427f3SAndy Zhou * will be used as part of the hash. Each datapath is free 604971427f3SAndy Zhou * to use its own hash algorithm. The hash value will be 605971427f3SAndy Zhou * opaque to the user space daemon. 606971427f3SAndy Zhou */ 607971427f3SAndy Zhou enum ovs_hash_alg { 608971427f3SAndy Zhou OVS_HASH_ALG_L4, 609971427f3SAndy Zhou }; 610971427f3SAndy Zhou 611971427f3SAndy Zhou /* 612971427f3SAndy Zhou * struct ovs_action_hash - %OVS_ACTION_ATTR_HASH action argument. 613971427f3SAndy Zhou * @hash_alg: Algorithm used to compute hash prior to recirculation. 614971427f3SAndy Zhou * @hash_basis: basis used for computing hash. 615971427f3SAndy Zhou */ 616971427f3SAndy Zhou struct ovs_action_hash { 617971427f3SAndy Zhou uint32_t hash_alg; /* One of ovs_hash_alg. */ 618971427f3SAndy Zhou uint32_t hash_basis; 619971427f3SAndy Zhou }; 620971427f3SAndy Zhou 62122e3880aSThomas Graf /** 6227f8a436eSJoe Stringer * enum ovs_ct_attr - Attributes for %OVS_ACTION_ATTR_CT action. 6237f8a436eSJoe Stringer * @OVS_CT_ATTR_FLAGS: u32 connection tracking flags. 6247f8a436eSJoe Stringer * @OVS_CT_ATTR_ZONE: u16 connection tracking zone. 625182e3042SJoe Stringer * @OVS_CT_ATTR_MARK: u32 value followed by u32 mask. For each bit set in the 626182e3042SJoe Stringer * mask, the corresponding bit in the value is copied to the connection 627182e3042SJoe Stringer * tracking mark field in the connection. 628c2ac6673SJoe Stringer * @OVS_CT_ATTR_LABEL: %OVS_CT_LABEL_LEN value followed by %OVS_CT_LABEL_LEN 629c2ac6673SJoe Stringer * mask. For each bit set in the mask, the corresponding bit in the value is 630c2ac6673SJoe Stringer * copied to the connection tracking label field in the connection. 631cae3a262SJoe Stringer * @OVS_CT_ATTR_HELPER: variable length string defining conntrack ALG. 6327f8a436eSJoe Stringer */ 6337f8a436eSJoe Stringer enum ovs_ct_attr { 6347f8a436eSJoe Stringer OVS_CT_ATTR_UNSPEC, 6357f8a436eSJoe Stringer OVS_CT_ATTR_FLAGS, /* u8 bitmask of OVS_CT_F_*. */ 6367f8a436eSJoe Stringer OVS_CT_ATTR_ZONE, /* u16 zone id. */ 637182e3042SJoe Stringer OVS_CT_ATTR_MARK, /* mark to associate with this connection. */ 638c2ac6673SJoe Stringer OVS_CT_ATTR_LABEL, /* label to associate with this connection. */ 639cae3a262SJoe Stringer OVS_CT_ATTR_HELPER, /* netlink helper to assist detection of 640cae3a262SJoe Stringer related connections. */ 6417f8a436eSJoe Stringer __OVS_CT_ATTR_MAX 6427f8a436eSJoe Stringer }; 6437f8a436eSJoe Stringer 6447f8a436eSJoe Stringer #define OVS_CT_ATTR_MAX (__OVS_CT_ATTR_MAX - 1) 6457f8a436eSJoe Stringer 6467f8a436eSJoe Stringer /* 6477f8a436eSJoe Stringer * OVS_CT_ATTR_FLAGS flags - bitmask of %OVS_CT_F_* 6487f8a436eSJoe Stringer * @OVS_CT_F_COMMIT: Commits the flow to the conntrack table. This allows 6497f8a436eSJoe Stringer * future packets for the same connection to be identified as 'established' 6507f8a436eSJoe Stringer * or 'related'. 6517f8a436eSJoe Stringer */ 6527f8a436eSJoe Stringer #define OVS_CT_F_COMMIT 0x01 6537f8a436eSJoe Stringer 6547f8a436eSJoe Stringer /** 65522e3880aSThomas Graf * enum ovs_action_attr - Action types. 65622e3880aSThomas Graf * 65722e3880aSThomas Graf * @OVS_ACTION_ATTR_OUTPUT: Output packet to port. 65822e3880aSThomas Graf * @OVS_ACTION_ATTR_USERSPACE: Send packet to userspace according to nested 65922e3880aSThomas Graf * %OVS_USERSPACE_ATTR_* attributes. 66022e3880aSThomas Graf * @OVS_ACTION_ATTR_SET: Replaces the contents of an existing header. The 66122e3880aSThomas Graf * single nested %OVS_KEY_ATTR_* attribute specifies a header to modify and its 66222e3880aSThomas Graf * value. 66383d2b9baSJarno Rajahalme * @OVS_ACTION_ATTR_SET_MASKED: Replaces the contents of an existing header. A 66483d2b9baSJarno Rajahalme * nested %OVS_KEY_ATTR_* attribute specifies a header to modify, its value, 66583d2b9baSJarno Rajahalme * and a mask. For every bit set in the mask, the corresponding bit value 66683d2b9baSJarno Rajahalme * is copied from the value to the packet header field, rest of the bits are 66783d2b9baSJarno Rajahalme * left unchanged. The non-masked value bits must be passed in as zeroes. 66883d2b9baSJarno Rajahalme * Masking is not supported for the %OVS_KEY_ATTR_TUNNEL attribute. 66922e3880aSThomas Graf * @OVS_ACTION_ATTR_PUSH_VLAN: Push a new outermost 802.1Q header onto the 67022e3880aSThomas Graf * packet. 67122e3880aSThomas Graf * @OVS_ACTION_ATTR_POP_VLAN: Pop the outermost 802.1Q header off the packet. 67222e3880aSThomas Graf * @OVS_ACTION_ATTR_SAMPLE: Probabilitically executes actions, as specified in 67322e3880aSThomas Graf * the nested %OVS_SAMPLE_ATTR_* attributes. 67425cd9ba0SSimon Horman * @OVS_ACTION_ATTR_PUSH_MPLS: Push a new MPLS label stack entry onto the 67525cd9ba0SSimon Horman * top of the packets MPLS label stack. Set the ethertype of the 67625cd9ba0SSimon Horman * encapsulating frame to either %ETH_P_MPLS_UC or %ETH_P_MPLS_MC to 67725cd9ba0SSimon Horman * indicate the new packet contents. 67825cd9ba0SSimon Horman * @OVS_ACTION_ATTR_POP_MPLS: Pop an MPLS label stack entry off of the 67925cd9ba0SSimon Horman * packet's MPLS label stack. Set the encapsulating frame's ethertype to 68025cd9ba0SSimon Horman * indicate the new packet contents. This could potentially still be 68125cd9ba0SSimon Horman * %ETH_P_MPLS if the resulting MPLS label stack is not empty. If there 68225cd9ba0SSimon Horman * is no MPLS label stack, as determined by ethertype, no action is taken. 6837f8a436eSJoe Stringer * @OVS_ACTION_ATTR_CT: Track the connection. Populate the conntrack-related 6847f8a436eSJoe Stringer * entries in the flow key. 68522e3880aSThomas Graf * 68622e3880aSThomas Graf * Only a single header can be set with a single %OVS_ACTION_ATTR_SET. Not all 68722e3880aSThomas Graf * fields within a header are modifiable, e.g. the IPv4 protocol and fragment 68822e3880aSThomas Graf * type may not be changed. 68983d2b9baSJarno Rajahalme * 69083d2b9baSJarno Rajahalme * @OVS_ACTION_ATTR_SET_TO_MASKED: Kernel internal masked set action translated 69183d2b9baSJarno Rajahalme * from the @OVS_ACTION_ATTR_SET. 69222e3880aSThomas Graf */ 69322e3880aSThomas Graf 69422e3880aSThomas Graf enum ovs_action_attr { 69522e3880aSThomas Graf OVS_ACTION_ATTR_UNSPEC, 69622e3880aSThomas Graf OVS_ACTION_ATTR_OUTPUT, /* u32 port number. */ 69722e3880aSThomas Graf OVS_ACTION_ATTR_USERSPACE, /* Nested OVS_USERSPACE_ATTR_*. */ 69822e3880aSThomas Graf OVS_ACTION_ATTR_SET, /* One nested OVS_KEY_ATTR_*. */ 69922e3880aSThomas Graf OVS_ACTION_ATTR_PUSH_VLAN, /* struct ovs_action_push_vlan. */ 70022e3880aSThomas Graf OVS_ACTION_ATTR_POP_VLAN, /* No argument. */ 70122e3880aSThomas Graf OVS_ACTION_ATTR_SAMPLE, /* Nested OVS_SAMPLE_ATTR_*. */ 702971427f3SAndy Zhou OVS_ACTION_ATTR_RECIRC, /* u32 recirc_id. */ 703971427f3SAndy Zhou OVS_ACTION_ATTR_HASH, /* struct ovs_action_hash. */ 70425cd9ba0SSimon Horman OVS_ACTION_ATTR_PUSH_MPLS, /* struct ovs_action_push_mpls. */ 70525cd9ba0SSimon Horman OVS_ACTION_ATTR_POP_MPLS, /* __be16 ethertype. */ 70683d2b9baSJarno Rajahalme OVS_ACTION_ATTR_SET_MASKED, /* One nested OVS_KEY_ATTR_* including 70783d2b9baSJarno Rajahalme * data immediately followed by a mask. 70883d2b9baSJarno Rajahalme * The data must be zero for the unmasked 70983d2b9baSJarno Rajahalme * bits. */ 7107f8a436eSJoe Stringer OVS_ACTION_ATTR_CT, /* One nested OVS_CT_ATTR_* . */ 71125cd9ba0SSimon Horman 71283d2b9baSJarno Rajahalme __OVS_ACTION_ATTR_MAX, /* Nothing past this will be accepted 71383d2b9baSJarno Rajahalme * from userspace. */ 71483d2b9baSJarno Rajahalme 71583d2b9baSJarno Rajahalme #ifdef __KERNEL__ 71683d2b9baSJarno Rajahalme OVS_ACTION_ATTR_SET_TO_MASKED, /* Kernel module internal masked 71783d2b9baSJarno Rajahalme * set action converted from 71883d2b9baSJarno Rajahalme * OVS_ACTION_ATTR_SET. */ 71983d2b9baSJarno Rajahalme #endif 72022e3880aSThomas Graf }; 72122e3880aSThomas Graf 72222e3880aSThomas Graf #define OVS_ACTION_ATTR_MAX (__OVS_ACTION_ATTR_MAX - 1) 72322e3880aSThomas Graf 72422e3880aSThomas Graf #endif /* _LINUX_OPENVSWITCH_H */ 725