* ----------------------------------------------------------------------
*/
-/* Protocol between userspace and kernel datapath.
- *
- * Be sure to update datapath/odp-compat.h if you change any of the structures
- * in here. */
-
#ifndef OPENVSWITCH_DATAPATH_PROTOCOL_H
#define OPENVSWITCH_DATAPATH_PROTOCOL_H 1
-/* The ovs_be<N> types indicate that an object is in big-endian, not
- * native-endian, byte order. They are otherwise equivalent to uint<N>_t.
- * The Linux kernel already has __be<N> types for this, which take on
- * additional semantics when the "sparse" static checker is used, so we use
- * those types when compiling the kernel. */
#ifdef __KERNEL__
#include <linux/types.h>
#include <linux/socket.h>
#include <sys/socket.h>
#endif
-#ifndef __aligned_u64
-#define __aligned_u64 __u64 __attribute__((aligned(8)))
-#define __aligned_be64 __be64 __attribute__((aligned(8)))
-#define __aligned_le64 __le64 __attribute__((aligned(8)))
-#endif
-
-#include <linux/if_link.h>
#include <linux/netlink.h>
+\f
+/* datapaths. */
+
+#define OVS_DATAPATH_FAMILY "ovs_datapath"
+#define OVS_DATAPATH_MCGROUP "ovs_datapath"
+
+enum ovs_datapath_cmd {
+ OVS_DP_CMD_UNSPEC,
+ OVS_DP_CMD_NEW,
+ OVS_DP_CMD_DEL,
+ OVS_DP_CMD_GET,
+ OVS_DP_CMD_SET
+};
-#define ODP_MAX 256 /* Maximum number of datapaths. */
-
-#define ODP_DP_CREATE _IO('O', 0)
-#define ODP_DP_DESTROY _IO('O', 1)
-#define ODP_DP_STATS _IOW('O', 2, struct odp_stats)
-
-#define ODP_GET_DROP_FRAGS _IOW('O', 3, int)
-#define ODP_SET_DROP_FRAGS _IOR('O', 4, int)
-
-#define ODP_GET_LISTEN_MASK _IOW('O', 5, int)
-#define ODP_SET_LISTEN_MASK _IOR('O', 6, int)
-
-#define ODP_VPORT_NEW _IOR('O', 7, struct odp_vport)
-#define ODP_VPORT_DEL _IOR('O', 8, struct odp_vport)
-#define ODP_VPORT_GET _IOWR('O', 9, struct odp_vport)
-#define ODP_VPORT_SET _IOR('O', 22, struct odp_vport)
-#define ODP_VPORT_DUMP _IOWR('O', 10, struct odp_vport)
-
-#define ODP_FLOW_GET _IOWR('O', 13, struct odp_flowvec)
-#define ODP_FLOW_PUT _IOWR('O', 14, struct odp_flow)
-#define ODP_FLOW_DUMP _IOWR('O', 15, struct odp_flow_dump)
-#define ODP_FLOW_FLUSH _IO('O', 16)
-#define ODP_FLOW_DEL _IOWR('O', 17, struct odp_flow)
+/**
+ * struct ovs_header - header for OVS Generic Netlink messages.
+ * @dp_ifindex: ifindex of local port for datapath (0 to make a request not
+ * specific to a datapath).
+ *
+ * Attributes following the header are specific to a particular OVS Generic
+ * Netlink family, but all of the OVS families use this header.
+ */
+struct ovs_header {
+ int dp_ifindex;
+};
+\f
+/**
+ * enum ovs_datapath_attr - attributes for %OVS_DP_* commands.
+ * @OVS_DP_ATTR_NAME: Name of the network device that serves as the "local
+ * port". This is the name of the network device whose dp_ifindex is given in
+ * the &struct ovs_header. Always present in notifications. Required in
+ * %OVS_DP_NEW requests. May be used as an alternative to specifying
+ * dp_ifindex in other requests (with a dp_ifindex of 0).
+ * @OVS_DP_ATTR_STATS: Statistics about packets that have passed through the
+ * datapath. Always present in notifications.
+ * @OVS_DP_ATTR_IPV4_FRAGS: One of %OVS_DP_FRAG_*. Always present in
+ * notifications. May be included in %OVS_DP_NEW or %OVS_DP_SET requests to
+ * change the fragment handling policy.
+ * @OVS_DP_ATTR_SAMPLING: 32-bit fraction of packets to sample with
+ * @OVS_PACKET_CMD_SAMPLE. A value of 0 samples no packets, a value of
+ * %UINT32_MAX samples all packets, and intermediate values sample intermediate
+ * fractions of packets.
+ * @OVS_DP_ATTR_MCGROUPS: Nested attributes with multicast groups. Each nested
+ * attribute has a %OVS_PACKET_CMD_* type with a 32-bit value giving the
+ * Generic Netlink multicast group number used for sending this datapath's
+ * messages with that command type up to userspace.
+ *
+ * These attributes follow the &struct ovs_header within the Generic Netlink
+ * payload for %OVS_DP_* commands.
+ */
+enum ovs_datapath_attr {
+ OVS_DP_ATTR_UNSPEC,
+ OVS_DP_ATTR_NAME, /* name of dp_ifindex netdev */
+ OVS_DP_ATTR_STATS, /* struct ovs_dp_stats */
+ OVS_DP_ATTR_IPV4_FRAGS, /* 32-bit enum ovs_frag_handling */
+ OVS_DP_ATTR_SAMPLING, /* 32-bit fraction of packets to sample. */
+ OVS_DP_ATTR_MCGROUPS, /* Nested attributes with multicast groups. */
+ __OVS_DP_ATTR_MAX
+};
-#define ODP_EXECUTE _IOR('O', 18, struct odp_execute)
+#define OVS_DP_ATTR_MAX (__OVS_DP_ATTR_MAX - 1)
-#define ODP_SET_SFLOW_PROBABILITY _IOR('O', 19, int)
-#define ODP_GET_SFLOW_PROBABILITY _IOW('O', 20, int)
+/**
+ * enum ovs_frag_handling - policy for handling received IPv4 fragments.
+ * @OVS_DP_FRAG_ZERO: Treat IP fragments as IP protocol 0 and transport ports
+ * zero.
+ * @OVS_DP_FRAG_DROP: Drop IP fragments. Do not pass them through the flow
+ * table or up to userspace.
+ */
+enum ovs_frag_handling {
+ OVS_DP_FRAG_UNSPEC,
+ OVS_DP_FRAG_ZERO, /* Treat IP fragments as transport port 0. */
+ OVS_DP_FRAG_DROP /* Drop IP fragments. */
+};
-struct odp_stats {
+struct ovs_dp_stats {
uint64_t n_frags; /* Number of dropped IP fragments. */
uint64_t n_hit; /* Number of flow table matches. */
uint64_t n_missed; /* Number of flow table misses. */
uint64_t n_lost; /* Number of misses not sent to userspace. */
+ uint64_t n_flows; /* Number of flows present */
};
-/* Logical ports. */
-#define ODPP_LOCAL ((uint16_t)0)
-#define ODPP_NONE ((uint16_t)-1)
-
-/* Listening channels. */
-#define _ODPL_MISS_NR 0 /* Packet missed in flow table. */
-#define ODPL_MISS (1 << _ODPL_MISS_NR)
-#define _ODPL_ACTION_NR 1 /* Packet output to ODPP_CONTROLLER. */
-#define ODPL_ACTION (1 << _ODPL_ACTION_NR)
-#define _ODPL_SFLOW_NR 2 /* sFlow samples. */
-#define ODPL_SFLOW (1 << _ODPL_SFLOW_NR)
-#define ODPL_ALL (ODPL_MISS | ODPL_ACTION | ODPL_SFLOW)
-
-enum odp_packet_type {
- ODP_PACKET_ATTR_UNSPEC,
- ODP_PACKET_ATTR_TYPE, /* 32-bit enum, one of _ODP_*_NR. */
- ODP_PACKET_ATTR_PACKET, /* Packet data. */
- ODP_PACKET_ATTR_KEY, /* Nested ODP_KEY_ATTR_* attributes. */
- ODP_PACKET_ATTR_USERDATA, /* 64-bit data from ODPAT_CONTROLLER. */
- ODP_PACKET_ATTR_SAMPLE_POOL, /* # sampling candidate packets so far. */
- ODP_PACKET_ATTR_ACTIONS, /* Nested ODPAT_* attributes. */
- __ODP_PACKET_ATTR_MAX
+struct ovs_vport_stats {
+ uint64_t rx_packets; /* total packets received */
+ uint64_t tx_packets; /* total packets transmitted */
+ uint64_t rx_bytes; /* total bytes received */
+ uint64_t tx_bytes; /* total bytes transmitted */
+ uint64_t rx_errors; /* bad packets received */
+ uint64_t tx_errors; /* packet transmit problems */
+ uint64_t rx_dropped; /* no space in linux buffers */
+ int64_t tx_dropped; /* no space available in linux */
};
-#define ODP_PACKET_ATTR_MAX (__ODP_PACKET_ATTR_MAX - 1)
+/* Logical ports. */
+#define OVSP_LOCAL ((uint16_t)0)
+\f
+#define OVS_PACKET_FAMILY "ovs_packet"
+
+enum ovs_packet_cmd {
+ OVS_PACKET_CMD_UNSPEC,
+
+ /* Kernel-to-user notifications. */
+ OVS_PACKET_CMD_MISS, /* Flow table miss. */
+ OVS_PACKET_CMD_ACTION, /* OVS_ACTION_ATTR_USERSPACE action. */
+ OVS_PACKET_CMD_SAMPLE, /* Sampled packet. */
+
+ /* User commands. */
+ OVS_PACKET_CMD_EXECUTE /* Apply actions to a packet. */
+};
/**
- * struct odp_packet - header for packets passed up between kernel and
- * userspace.
- * @dp_idx: Number of datapath to which the packet belongs.
- * @len: Length of complete message, including this header.
- *
- * The header is followed by a sequence of Netlink attributes. The
- * %ODP_PACKET_ATTR_TYPE, %ODP_PACKET_ATTR_PACKET, and %ODP_PACKET_ATTR_KEY
- * attributes are always present. When @type == %_ODPL_ACTION_NR, the
- * %ODP_PACKET_ATTR_USERDATA attribute is included if it would be nonzero.
- * When @type == %_ODPL_SFLOW_NR, the %ODP_PACKET_ATTR_SAMPLE_POOL and
- * %ODP_PACKET_ATTR_ACTIONS attributes are included.
+ * enum ovs_packet_attr - attributes for %OVS_PACKET_* commands.
+ * @OVS_PACKET_ATTR_PACKET: Present for all notifications. Contains the entire
+ * packet as received, from the start of the Ethernet header onward. For
+ * %OVS_PACKET_CMD_ACTION, %OVS_PACKET_ATTR_PACKET reflects changes made by
+ * actions preceding %OVS_ACTION_ATTR_USERSPACE, but %OVS_PACKET_ATTR_KEY is
+ * the flow key extracted from the packet as originally received.
+ * @OVS_PACKET_ATTR_KEY: Present for all notifications. Contains the flow key
+ * extracted from the packet as nested %OVS_KEY_ATTR_* attributes. This allows
+ * userspace to adapt its flow setup strategy by comparing its notion of the
+ * flow key against the kernel's.
+ * @OVS_PACKET_ATTR_USERDATA: Present for an %OVS_PACKET_CMD_ACTION
+ * notification if the %OVS_ACTION_ATTR_USERSPACE, action's argument was
+ * nonzero.
+ * @OVS_PACKET_ATTR_SAMPLE_POOL: Present for %OVS_PACKET_CMD_SAMPLE. Contains
+ * the number of packets processed so far that were candidates for sampling.
+ * @OVS_PACKET_ATTR_ACTIONS: Present for %OVS_PACKET_CMD_SAMPLE. Contains a
+ * copy of the actions applied to the packet, as nested %OVS_ACTION_ATTR_*
+ * attributes.
*
- * For @type of %_ODPL_ACTION_NR, %ODP_PACKET_ATTR_PACKET reflects changes made
- * by actions preceding %ODPAT_CONTROLLER, but %ODP_PACKET_ATTR_KEY is the flow
- * key extracted from the packet as originally received.
+ * These attributes follow the &struct ovs_header within the Generic Netlink
+ * payload for %OVS_PACKET_* commands.
*/
-struct odp_packet {
- uint32_t dp_idx;
- uint32_t len;
+enum ovs_packet_attr {
+ OVS_PACKET_ATTR_UNSPEC,
+ OVS_PACKET_ATTR_PACKET, /* Packet data. */
+ OVS_PACKET_ATTR_KEY, /* Nested OVS_KEY_ATTR_* attributes. */
+ OVS_PACKET_ATTR_USERDATA, /* u64 OVS_ACTION_ATTR_USERSPACE arg. */
+ OVS_PACKET_ATTR_SAMPLE_POOL, /* # sampling candidate packets so far. */
+ OVS_PACKET_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */
+ __OVS_PACKET_ATTR_MAX
};
-enum odp_vport_type {
- ODP_VPORT_TYPE_UNSPEC,
- ODP_VPORT_TYPE_NETDEV, /* network device */
- ODP_VPORT_TYPE_INTERNAL, /* network device implemented by datapath */
- ODP_VPORT_TYPE_PATCH, /* virtual tunnel connecting two vports */
- ODP_VPORT_TYPE_GRE, /* GRE tunnel */
- ODP_VPORT_TYPE_CAPWAP, /* CAPWAP tunnel */
- __ODP_VPORT_TYPE_MAX
+#define OVS_PACKET_ATTR_MAX (__OVS_PACKET_ATTR_MAX - 1)
+\f
+enum ovs_vport_type {
+ OVS_VPORT_TYPE_UNSPEC,
+ OVS_VPORT_TYPE_NETDEV, /* network device */
+ OVS_VPORT_TYPE_INTERNAL, /* network device implemented by datapath */
+ OVS_VPORT_TYPE_PATCH, /* virtual tunnel connecting two vports */
+ OVS_VPORT_TYPE_GRE, /* GRE tunnel */
+ OVS_VPORT_TYPE_CAPWAP, /* CAPWAP tunnel */
+ __OVS_VPORT_TYPE_MAX
};
-#define ODP_VPORT_TYPE_MAX (__ODP_VPORT_TYPE_MAX - 1)
+#define OVS_VPORT_TYPE_MAX (__OVS_VPORT_TYPE_MAX - 1)
+\f
+#define OVS_VPORT_FAMILY "ovs_vport"
+#define OVS_VPORT_MCGROUP "ovs_vport"
+
+enum ovs_vport_cmd {
+ OVS_VPORT_CMD_UNSPEC,
+ OVS_VPORT_CMD_NEW,
+ OVS_VPORT_CMD_DEL,
+ OVS_VPORT_CMD_GET,
+ OVS_VPORT_CMD_SET
+};
/**
- * struct odp_vport - header with basic information about a virtual port.
- * @dp_idx: Number of datapath to which the vport belongs.
- * @len: Length of this structure plus the Netlink attributes following it.
- * @total_len: Total space available for kernel reply to request.
+ * enum ovs_vport_attr - attributes for %OVS_VPORT_* commands.
+ * @OVS_VPORT_ATTR_PORT_NO: 32-bit port number within datapath.
+ * @OVS_VPORT_ATTR_TYPE: 32-bit %OVS_VPORT_TYPE_* constant describing the type
+ * of vport.
+ * @OVS_VPORT_ATTR_NAME: Name of vport. For a vport based on a network device
+ * this is the name of the network device. Maximum length %IFNAMSIZ-1 bytes
+ * plus a null terminator.
+ * @OVS_VPORT_ATTR_STATS: A &struct ovs_vport_stats giving statistics for
+ * packets sent or received through the vport.
+ * @OVS_VPORT_ATTR_ADDRESS: A 6-byte Ethernet address for the vport.
+ * @OVS_VPORT_ATTR_IFINDEX: ifindex of the underlying network device, if any.
+ *
+ * These attributes follow the &struct ovs_header within the Generic Netlink
+ * payload for %OVS_VPORT_* commands.
*
- * Followed by &struct nlattr attributes, whose types are drawn from
- * %ODP_VPORT_ATTR_*, up to a length of @len bytes including the &struct
- * odp_vport header.
+ * All attributes applicable to a given port are present in notifications.
+ * This means that, for example, a vport that has no corresponding network
+ * device would omit %OVS_VPORT_ATTR_IFINDEX.
+ *
+ * For %OVS_VPORT_CMD_NEW requests, the %OVS_VPORT_ATTR_TYPE and
+ * %OVS_VPORT_ATTR_NAME attributes are required. %OVS_VPORT_ATTR_PORT_NO is
+ * optional; if not specified a free port number is automatically selected.
+ * Whether %OVS_VPORT_ATTR_OPTIONS is required or optional depends on the type
+ * of vport. %OVS_VPORT_ATTR_STATS and %OVS_VPORT_ATTR_ADDRESS are optional,
+ * and other attributes are ignored.
+ *
+ * For other requests, if %OVS_VPORT_ATTR_NAME is specified then it is used to
+ * look up the vport to operate on; otherwise dp_idx from the &struct
+ * ovs_header plus %OVS_VPORT_ATTR_PORT_NO determine the vport.
*/
-struct odp_vport {
- uint32_t dp_idx;
- uint32_t len;
- uint32_t total_len;
+enum ovs_vport_attr {
+ OVS_VPORT_ATTR_UNSPEC,
+ OVS_VPORT_ATTR_PORT_NO, /* port number within datapath */
+ OVS_VPORT_ATTR_TYPE, /* 32-bit OVS_VPORT_TYPE_* constant. */
+ OVS_VPORT_ATTR_NAME, /* string name, up to IFNAMSIZ bytes long */
+ OVS_VPORT_ATTR_STATS, /* struct ovs_vport_stats */
+ OVS_VPORT_ATTR_ADDRESS, /* hardware address */
+ OVS_VPORT_ATTR_OPTIONS, /* nested attributes, varies by vport type */
+ OVS_VPORT_ATTR_IFINDEX, /* 32-bit ifindex of backing netdev */
+ __OVS_VPORT_ATTR_MAX
};
+#define OVS_VPORT_ATTR_MAX (__OVS_VPORT_ATTR_MAX - 1)
+
+/* OVS_VPORT_ATTR_OPTIONS attributes for patch vports. */
enum {
- ODP_VPORT_ATTR_UNSPEC,
- ODP_VPORT_ATTR_PORT_NO, /* port number within datapath */
- ODP_VPORT_ATTR_TYPE, /* 32-bit ODP_VPORT_TYPE_* constant. */
- ODP_VPORT_ATTR_NAME, /* string name, up to IFNAMSIZ bytes long */
- ODP_VPORT_ATTR_STATS, /* struct rtnl_link_stats64 */
- ODP_VPORT_ATTR_ADDRESS, /* hardware address */
- ODP_VPORT_ATTR_MTU, /* 32-bit maximum transmission unit */
- ODP_VPORT_ATTR_OPTIONS, /* nested attributes, varies by vport type */
- ODP_VPORT_ATTR_IFINDEX, /* 32-bit ifindex of backing netdev */
- ODP_VPORT_ATTR_IFLINK, /* 32-bit ifindex on which packets are sent */
- __ODP_VPORT_ATTR_MAX
+ OVS_PATCH_ATTR_UNSPEC,
+ OVS_PATCH_ATTR_PEER, /* name of peer vport, as a string */
+ __OVS_PATCH_ATTR_MAX
};
-#define ODP_VPORT_ATTR_MAX (__ODP_VPORT_ATTR_MAX - 1)
+#define OVS_PATCH_ATTR_MAX (__OVS_PATCH_ATTR_MAX - 1)
+\f
+/* Flows. */
-/* ODP_VPORT_ATTR_OPTIONS attributes for patch vports. */
-enum {
- ODP_PATCH_ATTR_UNSPEC,
- ODP_PATCH_ATTR_PEER, /* name of peer vport, as a string */
- __ODP_PATCH_ATTR_MAX
-};
+#define OVS_FLOW_FAMILY "ovs_flow"
+#define OVS_FLOW_MCGROUP "ovs_flow"
-#define ODP_PATCH_ATTR_MAX (__ODP_PATCH_ATTR_MAX - 1)
+enum ovs_flow_cmd {
+ OVS_FLOW_CMD_UNSPEC,
+ OVS_FLOW_CMD_NEW,
+ OVS_FLOW_CMD_DEL,
+ OVS_FLOW_CMD_GET,
+ OVS_FLOW_CMD_SET
+};
-struct odp_flow_stats {
+struct ovs_flow_stats {
uint64_t n_packets; /* Number of matched packets. */
uint64_t n_bytes; /* Number of matched bytes. */
- uint64_t used_sec; /* Time last used, in system monotonic time. */
- uint32_t used_nsec;
- uint8_t tcp_flags;
- uint8_t reserved;
- uint16_t error; /* Used by ODP_FLOW_GET. */
};
-enum odp_key_type {
- ODP_KEY_ATTR_UNSPEC,
- ODP_KEY_ATTR_TUN_ID, /* 64-bit tunnel ID */
- ODP_KEY_ATTR_IN_PORT, /* 32-bit ODP port number */
- ODP_KEY_ATTR_ETHERNET, /* struct odp_key_ethernet */
- ODP_KEY_ATTR_8021Q, /* struct odp_key_8021q */
- ODP_KEY_ATTR_ETHERTYPE, /* 16-bit Ethernet type */
- ODP_KEY_ATTR_IPV4, /* struct odp_key_ipv4 */
- ODP_KEY_ATTR_TCP, /* struct odp_key_tcp */
- ODP_KEY_ATTR_UDP, /* struct odp_key_udp */
- ODP_KEY_ATTR_ICMP, /* struct odp_key_icmp */
- ODP_KEY_ATTR_ARP, /* struct odp_key_arp */
- __ODP_KEY_ATTR_MAX
+enum ovs_key_type {
+ OVS_KEY_ATTR_UNSPEC,
+ OVS_KEY_ATTR_TUN_ID, /* 64-bit tunnel ID */
+ OVS_KEY_ATTR_IN_PORT, /* 32-bit OVS dp port number */
+ OVS_KEY_ATTR_ETHERNET, /* struct ovs_key_ethernet */
+ OVS_KEY_ATTR_8021Q, /* struct ovs_key_8021q */
+ OVS_KEY_ATTR_ETHERTYPE, /* 16-bit Ethernet type */
+ OVS_KEY_ATTR_IPV4, /* struct ovs_key_ipv4 */
+ OVS_KEY_ATTR_IPV6, /* struct ovs_key_ipv6 */
+ OVS_KEY_ATTR_TCP, /* struct ovs_key_tcp */
+ OVS_KEY_ATTR_UDP, /* struct ovs_key_udp */
+ OVS_KEY_ATTR_ICMP, /* struct ovs_key_icmp */
+ OVS_KEY_ATTR_ICMPV6, /* struct ovs_key_icmpv6 */
+ OVS_KEY_ATTR_ARP, /* struct ovs_key_arp */
+ OVS_KEY_ATTR_ND, /* struct ovs_key_nd */
+ __OVS_KEY_ATTR_MAX
};
-#define ODP_KEY_ATTR_MAX (__ODP_KEY_ATTR_MAX - 1)
+#define OVS_KEY_ATTR_MAX (__OVS_KEY_ATTR_MAX - 1)
-struct odp_key_ethernet {
+struct ovs_key_ethernet {
uint8_t eth_src[6];
uint8_t eth_dst[6];
};
-struct odp_key_8021q {
+struct ovs_key_8021q {
ovs_be16 q_tpid;
ovs_be16 q_tci;
};
-struct odp_key_ipv4 {
+struct ovs_key_ipv4 {
ovs_be32 ipv4_src;
ovs_be32 ipv4_dst;
uint8_t ipv4_proto;
uint8_t ipv4_tos;
};
-struct odp_key_tcp {
+struct ovs_key_ipv6 {
+ ovs_be32 ipv6_src[4];
+ ovs_be32 ipv6_dst[4];
+ uint8_t ipv6_proto;
+ uint8_t ipv6_tos;
+};
+
+struct ovs_key_tcp {
ovs_be16 tcp_src;
ovs_be16 tcp_dst;
};
-struct odp_key_udp {
+struct ovs_key_udp {
ovs_be16 udp_src;
ovs_be16 udp_dst;
};
-struct odp_key_icmp {
+struct ovs_key_icmp {
uint8_t icmp_type;
uint8_t icmp_code;
};
-struct odp_key_arp {
+struct ovs_key_icmpv6 {
+ uint8_t icmpv6_type;
+ uint8_t icmpv6_code;
+};
+
+struct ovs_key_arp {
ovs_be32 arp_sip;
ovs_be32 arp_tip;
ovs_be16 arp_op;
+ uint8_t arp_sha[6];
+ uint8_t arp_tha[6];
};
-/* Flags for ODP_FLOW. */
-#define ODPFF_ZERO_TCP_FLAGS (1 << 0) /* Zero the TCP flags. */
-#define ODPFF_EOF (1 << 1) /* ODP_FLOW_DUMP: end of flow table. */
-
-struct odp_flow {
- struct odp_flow_stats stats;
- struct nlattr *key;
- uint32_t key_len;
- struct nlattr *actions;
- uint32_t actions_len;
- uint32_t flags;
-};
-
-/* Flags for ODP_FLOW_PUT. */
-#define ODPPF_CREATE (1 << 0) /* Allow creating a new flow. */
-#define ODPPF_MODIFY (1 << 1) /* Allow modifying an existing flow. */
-#define ODPPF_ZERO_STATS (1 << 2) /* Zero the stats of an existing flow. */
-
-/* ODP_FLOW_PUT argument. */
-struct odp_flow_put {
- struct odp_flow flow;
- uint32_t flags;
-};
-
-struct odp_flowvec {
- struct odp_flow *flows;
- uint32_t n_flows;
+struct ovs_key_nd {
+ uint32_t nd_target[4];
+ uint8_t nd_sll[6];
+ uint8_t nd_tll[6];
};
-/* ODP_FLOW_DUMP argument.
- *
- * This is used to iterate through the flow table flow-by-flow. Each
- * ODP_FLOW_DUMP call either stores a new odp_flow into 'flow' or stores
- * ODPFF_EOF into flow->flags to indicate that the end of the table has been
- * reaches, and updates 'state' in-place.
+/**
+ * enum ovs_flow_attr - attributes for %OVS_FLOW_* commands.
+ * @OVS_FLOW_ATTR_KEY: Nested %OVS_KEY_ATTR_* attributes specifying the flow
+ * key. Always present in notifications. Required for all requests (except
+ * dumps).
+ * @OVS_FLOW_ATTR_ACTIONS: Nested %OVS_ACTION_ATTR_* attributes specifying
+ * the actions to take for packets that match the key. Always present in
+ * notifications. Required for %OVS_FLOW_CMD_NEW requests, optional
+ * on %OVS_FLOW_CMD_SET request to change the existing actions, ignored for
+ * other requests.
+ * @OVS_FLOW_ATTR_STATS: &struct ovs_flow_stats giving statistics for this
+ * flow. Present in notifications if the stats would be nonzero. Ignored in
+ * requests.
+ * @OVS_FLOW_ATTR_TCP_FLAGS: An 8-bit value giving the OR'd value of all of the
+ * TCP flags seen on packets in this flow. Only present in notifications for
+ * TCP flows, and only if it would be nonzero. Ignored in requests.
+ * @OVS_FLOW_ATTR_USED: A 64-bit integer giving the time, in milliseconds on
+ * the system monotonic clock, at which a packet was last processed for this
+ * flow. Only present in notifications if a packet has been processed for this
+ * flow. Ignored in requests.
+ * @OVS_FLOW_ATTR_CLEAR: If present in a %OVS_FLOW_CMD_SET request, clears the
+ * last-used time, accumulated TCP flags, and statistics for this flow.
+ * Otherwise ignored in requests. Never present in notifications.
*
- * Before the first call, zero 'state'. The format of 'state' is otherwise
- * unspecified.
+ * These attributes follow the &struct ovs_header within the Generic Netlink
+ * payload for %OVS_FLOW_* commands.
*/
-struct odp_flow_dump {
- struct odp_flow *flow;
- uint32_t state[2];
+enum ovs_flow_attr {
+ OVS_FLOW_ATTR_UNSPEC,
+ OVS_FLOW_ATTR_KEY, /* Sequence of OVS_KEY_ATTR_* attributes. */
+ OVS_FLOW_ATTR_ACTIONS, /* Nested OVS_ACTION_ATTR_* attributes. */
+ OVS_FLOW_ATTR_STATS, /* struct ovs_flow_stats. */
+ OVS_FLOW_ATTR_TCP_FLAGS, /* 8-bit OR'd TCP flags. */
+ OVS_FLOW_ATTR_USED, /* u64 msecs last used in monotonic time. */
+ OVS_FLOW_ATTR_CLEAR, /* Flag to clear stats, tcp_flags, used. */
+ __OVS_FLOW_ATTR_MAX
};
+#define OVS_FLOW_ATTR_MAX (__OVS_FLOW_ATTR_MAX - 1)
+
/* Action types. */
-enum odp_action_type {
- ODPAT_UNSPEC,
- ODPAT_OUTPUT, /* Output to switch port. */
- ODPAT_CONTROLLER, /* Send copy to controller. */
- ODPAT_SET_DL_TCI, /* Set the 802.1q TCI value. */
- ODPAT_STRIP_VLAN, /* Strip the 802.1q header. */
- ODPAT_SET_DL_SRC, /* Ethernet source address. */
- ODPAT_SET_DL_DST, /* Ethernet destination address. */
- ODPAT_SET_NW_SRC, /* IPv4 source address. */
- ODPAT_SET_NW_DST, /* IPv4 destination address. */
- ODPAT_SET_NW_TOS, /* IP ToS/DSCP field (6 bits). */
- ODPAT_SET_TP_SRC, /* TCP/UDP source port. */
- ODPAT_SET_TP_DST, /* TCP/UDP destination port. */
- ODPAT_SET_TUNNEL, /* Set the encapsulating tunnel ID. */
- ODPAT_SET_PRIORITY, /* Set skb->priority. */
- ODPAT_POP_PRIORITY, /* Restore original skb->priority. */
- ODPAT_DROP_SPOOFED_ARP, /* Drop ARPs with spoofed source MAC. */
- __ODPAT_MAX
+enum ovs_action_type {
+ OVS_ACTION_ATTR_UNSPEC,
+ OVS_ACTION_ATTR_OUTPUT, /* Output to switch port. */
+ OVS_ACTION_ATTR_USERSPACE, /* Send copy to userspace. */
+ OVS_ACTION_ATTR_PUSH_VLAN, /* Set the 802.1q TCI value. */
+ OVS_ACTION_ATTR_POP_VLAN, /* Strip the 802.1q header. */
+ OVS_ACTION_ATTR_SET_DL_SRC, /* Ethernet source address. */
+ OVS_ACTION_ATTR_SET_DL_DST, /* Ethernet destination address. */
+ OVS_ACTION_ATTR_SET_NW_SRC, /* IPv4 source address. */
+ OVS_ACTION_ATTR_SET_NW_DST, /* IPv4 destination address. */
+ OVS_ACTION_ATTR_SET_NW_TOS, /* IP ToS/DSCP field (6 bits). */
+ OVS_ACTION_ATTR_SET_TP_SRC, /* TCP/UDP source port. */
+ OVS_ACTION_ATTR_SET_TP_DST, /* TCP/UDP destination port. */
+ OVS_ACTION_ATTR_SET_TUNNEL, /* Set the encapsulating tunnel ID. */
+ OVS_ACTION_ATTR_SET_PRIORITY, /* Set skb->priority. */
+ OVS_ACTION_ATTR_POP_PRIORITY, /* Restore original skb->priority. */
+ __OVS_ACTION_ATTR_MAX
};
-#define ODPAT_MAX (__ODPAT_MAX - 1)
-
-struct odp_execute {
- struct nlattr *actions;
- uint32_t actions_len;
-
- const void *data;
- uint32_t length;
-};
+#define OVS_ACTION_ATTR_MAX (__OVS_ACTION_ATTR_MAX - 1)
#endif /* openvswitch/datapath-protocol.h */
git://git.onelab.eu / sliver-openvswitch.git / blobdiff