a06cd488d8
Add a qmp command that can trigger guest announcements.
It uses its own announce-timer instance, and parameters
passed to it explicitly in the command.
Like most qmp commands, it's in the main thread/bql, so
there's no racing with any outstanding timer.
Based on work of Germano Veit Michel <germano@redhat.com> and
Vladislav Yasevich <vyasevic@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
730 lines
17 KiB
Python
730 lines
17 KiB
Python
# -*- Mode: Python -*-
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#
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##
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# = Net devices
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##
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{ 'include': 'common.json' }
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##
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# @set_link:
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#
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# Sets the link status of a virtual network adapter.
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#
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# @name: the device name of the virtual network adapter
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#
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# @up: true to set the link status to be up
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#
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# Returns: Nothing on success
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# If @name is not a valid network device, DeviceNotFound
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#
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# Since: 0.14.0
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#
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# Notes: Not all network adapters support setting link status. This command
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# will succeed even if the network adapter does not support link status
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# notification.
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#
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# Example:
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#
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# -> { "execute": "set_link",
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# "arguments": { "name": "e1000.0", "up": false } }
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# <- { "return": {} }
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#
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##
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{ 'command': 'set_link', 'data': {'name': 'str', 'up': 'bool'} }
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##
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# @netdev_add:
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#
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# Add a network backend.
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#
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# @type: the type of network backend. Possible values are listed in
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# NetClientDriver (excluding 'none' and 'nic')
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#
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# @id: the name of the new network backend
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#
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# Additional arguments depend on the type.
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#
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# TODO: This command effectively bypasses QAPI completely due to its
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# "additional arguments" business. It shouldn't have been added to
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# the schema in this form. It should be qapified properly, or
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# replaced by a properly qapified command.
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#
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# Since: 0.14.0
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#
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# Returns: Nothing on success
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# If @type is not a valid network backend, DeviceNotFound
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#
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# Example:
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#
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# -> { "execute": "netdev_add",
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# "arguments": { "type": "user", "id": "netdev1",
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# "dnssearch": "example.org" } }
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# <- { "return": {} }
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#
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##
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{ 'command': 'netdev_add',
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'data': {'type': 'str', 'id': 'str'},
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'gen': false } # so we can get the additional arguments
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##
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# @netdev_del:
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#
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# Remove a network backend.
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#
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# @id: the name of the network backend to remove
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#
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# Returns: Nothing on success
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# If @id is not a valid network backend, DeviceNotFound
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#
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# Since: 0.14.0
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#
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# Example:
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#
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# -> { "execute": "netdev_del", "arguments": { "id": "netdev1" } }
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# <- { "return": {} }
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#
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##
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{ 'command': 'netdev_del', 'data': {'id': 'str'} }
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##
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# @NetLegacyNicOptions:
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#
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# Create a new Network Interface Card.
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#
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# @netdev: id of -netdev to connect to
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#
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# @macaddr: MAC address
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#
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# @model: device model (e1000, rtl8139, virtio etc.)
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#
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# @addr: PCI device address
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#
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# @vectors: number of MSI-x vectors, 0 to disable MSI-X
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#
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# Since: 1.2
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##
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{ 'struct': 'NetLegacyNicOptions',
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'data': {
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'*netdev': 'str',
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'*macaddr': 'str',
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'*model': 'str',
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'*addr': 'str',
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'*vectors': 'uint32' } }
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##
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# @NetdevUserOptions:
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#
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# Use the user mode network stack which requires no administrator privilege to
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# run.
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#
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# @hostname: client hostname reported by the builtin DHCP server
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#
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# @restrict: isolate the guest from the host
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#
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# @ipv4: whether to support IPv4, default true for enabled
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# (since 2.6)
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#
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# @ipv6: whether to support IPv6, default true for enabled
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# (since 2.6)
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#
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# @ip: legacy parameter, use net= instead
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#
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# @net: IP network address that the guest will see, in the
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# form addr[/netmask] The netmask is optional, and can be
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# either in the form a.b.c.d or as a number of valid top-most
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# bits. Default is 10.0.2.0/24.
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#
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# @host: guest-visible address of the host
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#
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# @tftp: root directory of the built-in TFTP server
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#
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# @bootfile: BOOTP filename, for use with tftp=
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#
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# @dhcpstart: the first of the 16 IPs the built-in DHCP server can
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# assign
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#
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# @dns: guest-visible address of the virtual nameserver
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#
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# @dnssearch: list of DNS suffixes to search, passed as DHCP option
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# to the guest
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#
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# @domainname: guest-visible domain name of the virtual nameserver
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# (since 3.0)
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#
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# @ipv6-prefix: IPv6 network prefix (default is fec0::) (since
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# 2.6). The network prefix is given in the usual
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# hexadecimal IPv6 address notation.
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#
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# @ipv6-prefixlen: IPv6 network prefix length (default is 64)
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# (since 2.6)
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#
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# @ipv6-host: guest-visible IPv6 address of the host (since 2.6)
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#
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# @ipv6-dns: guest-visible IPv6 address of the virtual
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# nameserver (since 2.6)
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#
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# @smb: root directory of the built-in SMB server
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#
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# @smbserver: IP address of the built-in SMB server
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#
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# @hostfwd: redirect incoming TCP or UDP host connections to guest
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# endpoints
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#
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# @guestfwd: forward guest TCP connections
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#
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# @tftp-server-name: RFC2132 "TFTP server name" string (Since 3.1)
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#
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# Since: 1.2
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##
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{ 'struct': 'NetdevUserOptions',
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'data': {
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'*hostname': 'str',
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'*restrict': 'bool',
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'*ipv4': 'bool',
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'*ipv6': 'bool',
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'*ip': 'str',
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'*net': 'str',
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'*host': 'str',
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'*tftp': 'str',
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'*bootfile': 'str',
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'*dhcpstart': 'str',
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'*dns': 'str',
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'*dnssearch': ['String'],
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'*domainname': 'str',
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'*ipv6-prefix': 'str',
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'*ipv6-prefixlen': 'int',
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'*ipv6-host': 'str',
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'*ipv6-dns': 'str',
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'*smb': 'str',
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'*smbserver': 'str',
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'*hostfwd': ['String'],
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'*guestfwd': ['String'],
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'*tftp-server-name': 'str' } }
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##
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# @NetdevTapOptions:
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#
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# Used to configure a host TAP network interface backend.
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#
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# @ifname: interface name
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#
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# @fd: file descriptor of an already opened tap
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#
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# @fds: multiple file descriptors of already opened multiqueue capable
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# tap
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#
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# @script: script to initialize the interface
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#
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# @downscript: script to shut down the interface
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#
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# @br: bridge name (since 2.8)
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#
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# @helper: command to execute to configure bridge
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#
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# @sndbuf: send buffer limit. Understands [TGMKkb] suffixes.
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#
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# @vnet_hdr: enable the IFF_VNET_HDR flag on the tap interface
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#
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# @vhost: enable vhost-net network accelerator
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#
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# @vhostfd: file descriptor of an already opened vhost net device
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#
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# @vhostfds: file descriptors of multiple already opened vhost net
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# devices
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#
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# @vhostforce: vhost on for non-MSIX virtio guests
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#
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# @queues: number of queues to be created for multiqueue capable tap
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#
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# @poll-us: maximum number of microseconds that could
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# be spent on busy polling for tap (since 2.7)
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#
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# Since: 1.2
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##
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{ 'struct': 'NetdevTapOptions',
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'data': {
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'*ifname': 'str',
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'*fd': 'str',
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'*fds': 'str',
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'*script': 'str',
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'*downscript': 'str',
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'*br': 'str',
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'*helper': 'str',
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'*sndbuf': 'size',
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'*vnet_hdr': 'bool',
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'*vhost': 'bool',
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'*vhostfd': 'str',
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'*vhostfds': 'str',
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'*vhostforce': 'bool',
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'*queues': 'uint32',
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'*poll-us': 'uint32'} }
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##
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# @NetdevSocketOptions:
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#
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# Socket netdevs are used to establish a network connection to another
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# QEMU virtual machine via a TCP socket.
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#
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# @fd: file descriptor of an already opened socket
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#
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# @listen: port number, and optional hostname, to listen on
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#
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# @connect: port number, and optional hostname, to connect to
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#
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# @mcast: UDP multicast address and port number
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#
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# @localaddr: source address and port for multicast and udp packets
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#
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# @udp: UDP unicast address and port number
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#
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# Since: 1.2
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##
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{ 'struct': 'NetdevSocketOptions',
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'data': {
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'*fd': 'str',
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'*listen': 'str',
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'*connect': 'str',
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'*mcast': 'str',
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'*localaddr': 'str',
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'*udp': 'str' } }
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##
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# @NetdevL2TPv3Options:
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#
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# Configure an Ethernet over L2TPv3 tunnel.
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#
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# @src: source address
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#
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# @dst: destination address
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#
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# @srcport: source port - mandatory for udp, optional for ip
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#
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# @dstport: destination port - mandatory for udp, optional for ip
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#
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# @ipv6: force the use of ipv6
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#
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# @udp: use the udp version of l2tpv3 encapsulation
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#
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# @cookie64: use 64 bit coookies
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#
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# @counter: have sequence counter
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#
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# @pincounter: pin sequence counter to zero -
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# workaround for buggy implementations or
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# networks with packet reorder
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#
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# @txcookie: 32 or 64 bit transmit cookie
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#
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# @rxcookie: 32 or 64 bit receive cookie
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#
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# @txsession: 32 bit transmit session
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#
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# @rxsession: 32 bit receive session - if not specified
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# set to the same value as transmit
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#
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# @offset: additional offset - allows the insertion of
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# additional application-specific data before the packet payload
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#
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# Since: 2.1
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##
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{ 'struct': 'NetdevL2TPv3Options',
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'data': {
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'src': 'str',
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'dst': 'str',
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'*srcport': 'str',
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'*dstport': 'str',
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'*ipv6': 'bool',
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'*udp': 'bool',
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'*cookie64': 'bool',
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'*counter': 'bool',
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'*pincounter': 'bool',
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'*txcookie': 'uint64',
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'*rxcookie': 'uint64',
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'txsession': 'uint32',
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'*rxsession': 'uint32',
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'*offset': 'uint32' } }
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##
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# @NetdevVdeOptions:
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#
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# Connect to a vde switch running on the host.
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#
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# @sock: socket path
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#
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# @port: port number
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#
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# @group: group owner of socket
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#
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# @mode: permissions for socket
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#
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# Since: 1.2
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##
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{ 'struct': 'NetdevVdeOptions',
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'data': {
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'*sock': 'str',
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'*port': 'uint16',
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'*group': 'str',
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'*mode': 'uint16' } }
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##
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# @NetdevBridgeOptions:
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#
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# Connect a host TAP network interface to a host bridge device.
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#
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# @br: bridge name
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#
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# @helper: command to execute to configure bridge
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#
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# Since: 1.2
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##
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{ 'struct': 'NetdevBridgeOptions',
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'data': {
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'*br': 'str',
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'*helper': 'str' } }
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##
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# @NetdevHubPortOptions:
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#
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# Connect two or more net clients through a software hub.
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#
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# @hubid: hub identifier number
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# @netdev: used to connect hub to a netdev instead of a device (since 2.12)
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#
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# Since: 1.2
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##
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{ 'struct': 'NetdevHubPortOptions',
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'data': {
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'hubid': 'int32',
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'*netdev': 'str' } }
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##
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# @NetdevNetmapOptions:
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#
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# Connect a client to a netmap-enabled NIC or to a VALE switch port
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#
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# @ifname: Either the name of an existing network interface supported by
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# netmap, or the name of a VALE port (created on the fly).
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# A VALE port name is in the form 'valeXXX:YYY', where XXX and
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# YYY are non-negative integers. XXX identifies a switch and
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# YYY identifies a port of the switch. VALE ports having the
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# same XXX are therefore connected to the same switch.
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#
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# @devname: path of the netmap device (default: '/dev/netmap').
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#
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# Since: 2.0
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##
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{ 'struct': 'NetdevNetmapOptions',
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'data': {
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'ifname': 'str',
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'*devname': 'str' } }
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##
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# @NetdevVhostUserOptions:
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#
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# Vhost-user network backend
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#
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# @chardev: name of a unix socket chardev
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#
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# @vhostforce: vhost on for non-MSIX virtio guests (default: false).
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#
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# @queues: number of queues to be created for multiqueue vhost-user
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# (default: 1) (Since 2.5)
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#
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# Since: 2.1
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##
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{ 'struct': 'NetdevVhostUserOptions',
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'data': {
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'chardev': 'str',
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'*vhostforce': 'bool',
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'*queues': 'int' } }
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##
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# @NetClientDriver:
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#
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# Available netdev drivers.
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#
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# Since: 2.7
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#
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# 'dump': dropped in 2.12
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##
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{ 'enum': 'NetClientDriver',
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'data': [ 'none', 'nic', 'user', 'tap', 'l2tpv3', 'socket', 'vde',
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'bridge', 'hubport', 'netmap', 'vhost-user' ] }
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##
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# @Netdev:
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#
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# Captures the configuration of a network device.
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#
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# @id: identifier for monitor commands.
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#
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# @type: Specify the driver used for interpreting remaining arguments.
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#
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# Since: 1.2
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#
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# 'l2tpv3' - since 2.1
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##
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{ 'union': 'Netdev',
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'base': { 'id': 'str', 'type': 'NetClientDriver' },
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'discriminator': 'type',
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'data': {
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'nic': 'NetLegacyNicOptions',
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'user': 'NetdevUserOptions',
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'tap': 'NetdevTapOptions',
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'l2tpv3': 'NetdevL2TPv3Options',
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'socket': 'NetdevSocketOptions',
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'vde': 'NetdevVdeOptions',
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'bridge': 'NetdevBridgeOptions',
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'hubport': 'NetdevHubPortOptions',
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'netmap': 'NetdevNetmapOptions',
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'vhost-user': 'NetdevVhostUserOptions' } }
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##
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# @NetLegacy:
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#
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# Captures the configuration of a network device; legacy.
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#
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# @id: identifier for monitor commands
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#
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# @name: identifier for monitor commands, ignored if @id is present
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#
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# @opts: device type specific properties (legacy)
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#
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# Since: 1.2
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#
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# 'vlan': dropped in 3.0
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##
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{ 'struct': 'NetLegacy',
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'data': {
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'*id': 'str',
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'*name': 'str',
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'opts': 'NetLegacyOptions' } }
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##
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# @NetLegacyOptionsType:
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#
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# Since: 1.2
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##
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{ 'enum': 'NetLegacyOptionsType',
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'data': ['none', 'nic', 'user', 'tap', 'l2tpv3', 'socket', 'vde',
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'bridge', 'netmap', 'vhost-user'] }
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##
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# @NetLegacyOptions:
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#
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# Like Netdev, but for use only by the legacy command line options
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#
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# Since: 1.2
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##
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{ 'union': 'NetLegacyOptions',
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'base': { 'type': 'NetLegacyOptionsType' },
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'discriminator': 'type',
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'data': {
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'nic': 'NetLegacyNicOptions',
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'user': 'NetdevUserOptions',
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'tap': 'NetdevTapOptions',
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'l2tpv3': 'NetdevL2TPv3Options',
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'socket': 'NetdevSocketOptions',
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'vde': 'NetdevVdeOptions',
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'bridge': 'NetdevBridgeOptions',
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'netmap': 'NetdevNetmapOptions',
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'vhost-user': 'NetdevVhostUserOptions' } }
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##
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# @NetFilterDirection:
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#
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# Indicates whether a netfilter is attached to a netdev's transmit queue or
|
|
# receive queue or both.
|
|
#
|
|
# @all: the filter is attached both to the receive and the transmit
|
|
# queue of the netdev (default).
|
|
#
|
|
# @rx: the filter is attached to the receive queue of the netdev,
|
|
# where it will receive packets sent to the netdev.
|
|
#
|
|
# @tx: the filter is attached to the transmit queue of the netdev,
|
|
# where it will receive packets sent by the netdev.
|
|
#
|
|
# Since: 2.5
|
|
##
|
|
{ 'enum': 'NetFilterDirection',
|
|
'data': [ 'all', 'rx', 'tx' ] }
|
|
|
|
##
|
|
# @RxState:
|
|
#
|
|
# Packets receiving state
|
|
#
|
|
# @normal: filter assigned packets according to the mac-table
|
|
#
|
|
# @none: don't receive any assigned packet
|
|
#
|
|
# @all: receive all assigned packets
|
|
#
|
|
# Since: 1.6
|
|
##
|
|
{ 'enum': 'RxState', 'data': [ 'normal', 'none', 'all' ] }
|
|
|
|
##
|
|
# @RxFilterInfo:
|
|
#
|
|
# Rx-filter information for a NIC.
|
|
#
|
|
# @name: net client name
|
|
#
|
|
# @promiscuous: whether promiscuous mode is enabled
|
|
#
|
|
# @multicast: multicast receive state
|
|
#
|
|
# @unicast: unicast receive state
|
|
#
|
|
# @vlan: vlan receive state (Since 2.0)
|
|
#
|
|
# @broadcast-allowed: whether to receive broadcast
|
|
#
|
|
# @multicast-overflow: multicast table is overflowed or not
|
|
#
|
|
# @unicast-overflow: unicast table is overflowed or not
|
|
#
|
|
# @main-mac: the main macaddr string
|
|
#
|
|
# @vlan-table: a list of active vlan id
|
|
#
|
|
# @unicast-table: a list of unicast macaddr string
|
|
#
|
|
# @multicast-table: a list of multicast macaddr string
|
|
#
|
|
# Since: 1.6
|
|
##
|
|
{ 'struct': 'RxFilterInfo',
|
|
'data': {
|
|
'name': 'str',
|
|
'promiscuous': 'bool',
|
|
'multicast': 'RxState',
|
|
'unicast': 'RxState',
|
|
'vlan': 'RxState',
|
|
'broadcast-allowed': 'bool',
|
|
'multicast-overflow': 'bool',
|
|
'unicast-overflow': 'bool',
|
|
'main-mac': 'str',
|
|
'vlan-table': ['int'],
|
|
'unicast-table': ['str'],
|
|
'multicast-table': ['str'] }}
|
|
|
|
##
|
|
# @query-rx-filter:
|
|
#
|
|
# Return rx-filter information for all NICs (or for the given NIC).
|
|
#
|
|
# @name: net client name
|
|
#
|
|
# Returns: list of @RxFilterInfo for all NICs (or for the given NIC).
|
|
# Returns an error if the given @name doesn't exist, or given
|
|
# NIC doesn't support rx-filter querying, or given net client
|
|
# isn't a NIC.
|
|
#
|
|
# Since: 1.6
|
|
#
|
|
# Example:
|
|
#
|
|
# -> { "execute": "query-rx-filter", "arguments": { "name": "vnet0" } }
|
|
# <- { "return": [
|
|
# {
|
|
# "promiscuous": true,
|
|
# "name": "vnet0",
|
|
# "main-mac": "52:54:00:12:34:56",
|
|
# "unicast": "normal",
|
|
# "vlan": "normal",
|
|
# "vlan-table": [
|
|
# 4,
|
|
# 0
|
|
# ],
|
|
# "unicast-table": [
|
|
# ],
|
|
# "multicast": "normal",
|
|
# "multicast-overflow": false,
|
|
# "unicast-overflow": false,
|
|
# "multicast-table": [
|
|
# "01:00:5e:00:00:01",
|
|
# "33:33:00:00:00:01",
|
|
# "33:33:ff:12:34:56"
|
|
# ],
|
|
# "broadcast-allowed": false
|
|
# }
|
|
# ]
|
|
# }
|
|
#
|
|
##
|
|
{ 'command': 'query-rx-filter',
|
|
'data': { '*name': 'str' },
|
|
'returns': ['RxFilterInfo'] }
|
|
|
|
##
|
|
# @NIC_RX_FILTER_CHANGED:
|
|
#
|
|
# Emitted once until the 'query-rx-filter' command is executed, the first event
|
|
# will always be emitted
|
|
#
|
|
# @name: net client name
|
|
#
|
|
# @path: device path
|
|
#
|
|
# Since: 1.6
|
|
#
|
|
# Example:
|
|
#
|
|
# <- { "event": "NIC_RX_FILTER_CHANGED",
|
|
# "data": { "name": "vnet0",
|
|
# "path": "/machine/peripheral/vnet0/virtio-backend" },
|
|
# "timestamp": { "seconds": 1368697518, "microseconds": 326866 } }
|
|
# }
|
|
#
|
|
##
|
|
{ 'event': 'NIC_RX_FILTER_CHANGED',
|
|
'data': { '*name': 'str', 'path': 'str' } }
|
|
|
|
##
|
|
# @AnnounceParameters:
|
|
#
|
|
# Parameters for self-announce timers
|
|
#
|
|
# @initial: Initial delay (in ms) before sending the first GARP/RARP
|
|
# announcement
|
|
#
|
|
# @max: Maximum delay (in ms) between GARP/RARP announcement packets
|
|
#
|
|
# @rounds: Number of self-announcement attempts
|
|
#
|
|
# @step: Delay increase (in ms) after each self-announcement attempt
|
|
#
|
|
# Since: 4.0
|
|
##
|
|
|
|
{ 'struct': 'AnnounceParameters',
|
|
'data': { 'initial': 'int',
|
|
'max': 'int',
|
|
'rounds': 'int',
|
|
'step': 'int' } }
|
|
|
|
##
|
|
# @announce-self:
|
|
#
|
|
# Trigger generation of broadcast RARP frames to update network switches.
|
|
# This can be useful when network bonds fail-over the active slave.
|
|
#
|
|
# @params: AnnounceParameters giving timing and repetition count of announce
|
|
#
|
|
# Example:
|
|
#
|
|
# -> { "execute": "announce-self"
|
|
# "arguments": {
|
|
# "initial": 50, "max": 550, "rounds": 10, "step": 50 } }
|
|
# <- { "return": {} }
|
|
#
|
|
# Since: 4.0
|
|
##
|
|
{ 'command': 'announce-self', 'boxed': true,
|
|
'data' : 'AnnounceParameters'}
|