From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Hajnoczi Subject: [PATCH 0/5] VSOCK: add sock_diag interface Date: Tue, 3 Oct 2017 11:39:38 -0400 Message-ID: <20171003153943.23159-1-stefanha@redhat.com> Cc: Jorgen Hansen , Dexuan Cui , Stefan Hajnoczi To: netdev@vger.kernel.org Return-path: Received: from mx1.redhat.com ([209.132.183.28]:19500 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752029AbdJCPju (ORCPT ); Tue, 3 Oct 2017 11:39:50 -0400 Sender: netdev-owner@vger.kernel.org List-ID: There is currently no way for userspace to query open AF_VSOCK sockets. This means ss(8), netstat(8), and other utilities cannot display AF_VSOCK sockets. This patch series adds the netlink sock_diag interface for AF_VSOCK. Userspace programs sent a DUMP request including an sk_state bitmap to filter sockets based on their state (connected, listening, etc). The vsock_diag.ko module replies with information about matching sockets. This userspace ABI is defined in . The final patch adds a test suite that exercises the basic cases. Jorgen and Dexuan: I have only tested the virtio transport but this should also work for VMCI and Hyper-V. Please give it a shot if you have time. Stefan Hajnoczi (5): VSOCK: export socket tables for sock_diag interface VSOCK: export __vsock_in_bound/connected_table() VSOCK: use TCP state constants for sk_state VSOCK: add sock_diag interface VSOCK: add tools/vsock/vsock_diag_test MAINTAINERS | 3 + net/vmw_vsock/Makefile | 3 + tools/vsock/Makefile | 9 + include/net/af_vsock.h | 10 +- include/uapi/linux/vm_sockets_diag.h | 33 ++ tools/vsock/control.h | 13 + tools/vsock/timeout.h | 14 + net/vmw_vsock/af_vsock.c | 62 ++- net/vmw_vsock/diag.c | 186 ++++++++ net/vmw_vsock/virtio_transport.c | 2 +- net/vmw_vsock/virtio_transport_common.c | 22 +- net/vmw_vsock/vmci_transport.c | 34 +- net/vmw_vsock/vmci_transport_notify.c | 2 +- net/vmw_vsock/vmci_transport_notify_qstate.c | 2 +- tools/vsock/control.c | 219 +++++++++ tools/vsock/timeout.c | 64 +++ tools/vsock/vsock_diag_test.c | 681 +++++++++++++++++++++++++++ net/vmw_vsock/Kconfig | 10 + tools/vsock/.gitignore | 2 + 19 files changed, 1312 insertions(+), 59 deletions(-) create mode 100644 tools/vsock/Makefile create mode 100644 include/uapi/linux/vm_sockets_diag.h create mode 100644 tools/vsock/control.h create mode 100644 tools/vsock/timeout.h create mode 100644 net/vmw_vsock/diag.c create mode 100644 tools/vsock/control.c create mode 100644 tools/vsock/timeout.c create mode 100644 tools/vsock/vsock_diag_test.c create mode 100644 tools/vsock/.gitignore -- 2.13.6