openvswitch: Expose <linux/openvswitch.h> to userspace

It contains the public netlink interface bits required by userspace to
make use of the interface.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Jesse Gross <jesse@nicira.com>

3 files changed, 458 insertions, 432 deletions

diff --git a/include/linux/openvswitch.h b/include/linux/openvswitch.h
index 8b9d7217eddc..e6b240b6196c 100644
--- a/include/linux/openvswitch.h
+++ b/include/linux/openvswitch.h
@@ -19,437 +19,6 @@
 #ifndef _LINUX_OPENVSWITCH_H
 #define _LINUX_OPENVSWITCH_H 1
 
-#include <linux/types.h>
-#include <linux/if_ether.h>
-
-/**
- * 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;
-};
-
-/* Datapaths. */
-
-#define OVS_DATAPATH_FAMILY  "ovs_datapath"
-#define OVS_DATAPATH_MCGROUP "ovs_datapath"
-#define OVS_DATAPATH_VERSION 0x1
-
-enum ovs_datapath_cmd {
-        OVS_DP_CMD_UNSPEC,
-        OVS_DP_CMD_NEW,
-        OVS_DP_CMD_DEL,
-        OVS_DP_CMD_GET,
-        OVS_DP_CMD_SET
-};
-
-/**
- * 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_UPCALL_PID: The Netlink socket in userspace that is initially
- * set on the datapath port (for OVS_ACTION_ATTR_MISS).  Only valid on
- * %OVS_DP_CMD_NEW requests. A value of zero indicates that upcalls should
- * not be sent.
- * @OVS_DP_ATTR_STATS: Statistics about packets that have passed through the
- * datapath.  Always present in notifications.
- *
- * 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_UPCALL_PID, /* Netlink PID to receive upcalls */
-        OVS_DP_ATTR_STATS,      /* struct ovs_dp_stats */
-        __OVS_DP_ATTR_MAX
-};
-
-#define OVS_DP_ATTR_MAX (__OVS_DP_ATTR_MAX - 1)
-
-struct ovs_dp_stats {
-        __u64 n_hit;             /* Number of flow table matches. */
-        __u64 n_missed;          /* Number of flow table misses. */
-        __u64 n_lost;            /* Number of misses not sent to userspace. */
-        __u64 n_flows;           /* Number of flows present */
-};
-
-struct ovs_vport_stats {
-        __u64   rx_packets;             /* total packets received       */
-        __u64   tx_packets;             /* total packets transmitted    */
-        __u64   rx_bytes;               /* total bytes received         */
-        __u64   tx_bytes;               /* total bytes transmitted      */
-        __u64   rx_errors;              /* bad packets received         */
-        __u64   tx_errors;              /* packet transmit problems     */
-        __u64   rx_dropped;             /* no space in linux buffers    */
-        __u64   tx_dropped;             /* no space available in linux  */
-};
-
-/* Fixed logical ports. */
-#define OVSP_LOCAL      ((__u32)0)
-
-/* Packet transfer. */
-
-#define OVS_PACKET_FAMILY "ovs_packet"
-#define OVS_PACKET_VERSION 0x1
-
-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. */
-
-        /* Userspace commands. */
-        OVS_PACKET_CMD_EXECUTE  /* Apply actions to a packet. */
-};
-
-/**
- * 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_ACTIONS: Contains actions for the packet.  Used
- * for %OVS_PACKET_CMD_EXECUTE.  It has nested %OVS_ACTION_ATTR_* attributes.
- * @OVS_PACKET_ATTR_USERDATA: Present for an %OVS_PACKET_CMD_ACTION
- * notification if the %OVS_ACTION_ATTR_USERSPACE action specified an
- * %OVS_USERSPACE_ATTR_USERDATA attribute, with the same length and content
- * specified there.
- *
- * These attributes follow the &struct ovs_header within the Generic Netlink
- * payload for %OVS_PACKET_* commands.
- */
-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_ACTIONS,     /* Nested OVS_ACTION_ATTR_* attributes. */
-        OVS_PACKET_ATTR_USERDATA,    /* OVS_ACTION_ATTR_USERSPACE arg. */
-        __OVS_PACKET_ATTR_MAX
-};
-
-#define OVS_PACKET_ATTR_MAX (__OVS_PACKET_ATTR_MAX - 1)
-
-/* Virtual ports. */
-
-#define OVS_VPORT_FAMILY  "ovs_vport"
-#define OVS_VPORT_MCGROUP "ovs_vport"
-#define OVS_VPORT_VERSION 0x1
-
-enum ovs_vport_cmd {
-        OVS_VPORT_CMD_UNSPEC,
-        OVS_VPORT_CMD_NEW,
-        OVS_VPORT_CMD_DEL,
-        OVS_VPORT_CMD_GET,
-        OVS_VPORT_CMD_SET
-};
-
-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_MAX
-};
-
-#define OVS_VPORT_TYPE_MAX (__OVS_VPORT_TYPE_MAX - 1)
-
-/**
- * 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_OPTIONS: Vport-specific configuration information.
- * @OVS_VPORT_ATTR_UPCALL_PID: The Netlink socket in userspace that
- * OVS_PACKET_CMD_MISS upcalls will be directed to for packets received on
- * this port.  A value of zero indicates that upcalls should not be sent.
- * @OVS_VPORT_ATTR_STATS: A &struct ovs_vport_stats giving statistics for
- * packets sent or received through the vport.
- *
- * These attributes follow the &struct ovs_header within the Generic Netlink
- * payload for %OVS_VPORT_* commands.
- *
- * 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.
- * 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.
- */
-enum ovs_vport_attr {
-        OVS_VPORT_ATTR_UNSPEC,
-        OVS_VPORT_ATTR_PORT_NO, /* u32 port number within datapath */
-        OVS_VPORT_ATTR_TYPE,    /* u32 OVS_VPORT_TYPE_* constant. */
-        OVS_VPORT_ATTR_NAME,    /* string name, up to IFNAMSIZ bytes long */
-        OVS_VPORT_ATTR_OPTIONS, /* nested attributes, varies by vport type */
-        OVS_VPORT_ATTR_UPCALL_PID, /* u32 Netlink PID to receive upcalls */
-        OVS_VPORT_ATTR_STATS,   /* struct ovs_vport_stats */
-        __OVS_VPORT_ATTR_MAX
-};
-
-#define OVS_VPORT_ATTR_MAX (__OVS_VPORT_ATTR_MAX - 1)
-
+#include <uapi/linux/openvswitch.h>