netdev - [iproute2-next v2 0/4] vdpa tool to query and set config layout

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Message-ID: <20211217080827.266799-1-parav@nvidia.com>
Date:   Fri, 17 Dec 2021 10:08:23 +0200
From:   Parav Pandit <parav@...dia.com>
To:     <dsahern@...il.com>, <stephen@...workplumber.org>,
        <netdev@...r.kernel.org>
CC:     <virtualization@...ts.linux-foundation.org>, <mst@...hat.com>,
        <jasowang@...hat.com>, Parav Pandit <parav@...dia.com>
Subject: [iproute2-next v2 0/4] vdpa tool to query and set config layout

This series implements querying and setting of the mac address and mtu
device config fields of the vdpa device of type net.

An example of query and set as below.

$ vdpa dev add name bar mgmtdev vdpasim_net mac 00:11:22:33:44:55 mtu 9000

$ vdpa dev config show
bar: mac 00:11:22:33:44:55 link up link_announce false mtu 9000

$ vdpa dev config show -jp
{
    "config": {
        "bar": {
            "mac": "00:11:22:33:44:55",
            "link ": "up",
            "link_announce ": false,
            "mtu": 1500,
        }
    }
}

patch summary:
patch-1 updates the kernel headers
patch-2 implements the query command
patch-3 implements setting the mac address of vdpa dev config space
patch-4 implements setting the mtu of vdpa dev config space

changelog:
v1->v2:
 - addressed comments from David
 - added man page
 - using get_u16
 - using strcmp() instead of matches() for arguments

Parav Pandit (4):
  vdpa: Update kernel headers
  vdpa: Enable user to query vdpa device config layout
  vdpa: Enable user to set mac address of vdpa device
  vdpa: Enable user to set mtu of the vdpa device

 include/uapi/linux/virtio_net.h |  81 ++++++++++++++
 man/man8/vdpa-dev.8             |  42 ++++++++
 vdpa/include/uapi/linux/vdpa.h  |   7 ++
 vdpa/vdpa.c                     | 184 ++++++++++++++++++++++++++++++--
 4 files changed, 305 insertions(+), 9 deletions(-)
 create mode 100644 include/uapi/linux/virtio_net.h

-- 
2.26.2