413a4317ac
This patch adds the sock_diag interface for querying sockets from userspace. Tools like ss(8) and netstat(8) can use this interface to list open sockets. The userspace ABI is defined in <linux/vm_sockets_diag.h> and includes netlink request and response structs. The request can query sockets based on their sk_state (e.g. listening sockets only) and the response contains socket information fields including the local/remote addresses, inode number, etc. This patch does not dump VMCI pending sockets because I have only tested the virtio transport, which does not use pending sockets. Support can be added later by extending vsock_diag_dump() if needed by VMCI users. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
71 lines
2.1 KiB
Plaintext
71 lines
2.1 KiB
Plaintext
#
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# Vsock protocol
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#
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config VSOCKETS
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tristate "Virtual Socket protocol"
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help
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Virtual Socket Protocol is a socket protocol similar to TCP/IP
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allowing communication between Virtual Machines and hypervisor
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or host.
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You should also select one or more hypervisor-specific transports
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below.
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To compile this driver as a module, choose M here: the module
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will be called vsock. If unsure, say N.
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config VSOCKETS_DIAG
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tristate "Virtual Sockets monitoring interface"
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depends on VSOCKETS
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default y
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help
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Support for PF_VSOCK sockets monitoring interface used by the ss tool.
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If unsure, say Y.
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Enable this module so userspace applications can query open sockets.
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config VMWARE_VMCI_VSOCKETS
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tristate "VMware VMCI transport for Virtual Sockets"
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depends on VSOCKETS && VMWARE_VMCI
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help
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This module implements a VMCI transport for Virtual Sockets.
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Enable this transport if your Virtual Machine runs on a VMware
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hypervisor.
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To compile this driver as a module, choose M here: the module
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will be called vmw_vsock_vmci_transport. If unsure, say N.
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config VIRTIO_VSOCKETS
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tristate "virtio transport for Virtual Sockets"
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depends on VSOCKETS && VIRTIO
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select VIRTIO_VSOCKETS_COMMON
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help
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This module implements a virtio transport for Virtual Sockets.
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Enable this transport if your Virtual Machine host supports Virtual
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Sockets over virtio.
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To compile this driver as a module, choose M here: the module will be
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called vmw_vsock_virtio_transport. If unsure, say N.
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config VIRTIO_VSOCKETS_COMMON
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tristate
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help
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This option is selected by any driver which needs to access
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the virtio_vsock. The module will be called
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vmw_vsock_virtio_transport_common.
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config HYPERV_VSOCKETS
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tristate "Hyper-V transport for Virtual Sockets"
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depends on VSOCKETS && HYPERV
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help
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This module implements a Hyper-V transport for Virtual Sockets.
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Enable this transport if your Virtual Machine host supports Virtual
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Sockets over Hyper-V VMBus.
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To compile this driver as a module, choose M here: the module will be
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called hv_sock. If unsure, say N.
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