linux-kernel - [PATH v6 0/3] vdpa: support set mac address from vdpa tool

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Message-ID: <20240725013217.1124704-1-lulu@redhat.com>
Date: Thu, 25 Jul 2024 09:31:01 +0800
From: Cindy Lu <lulu@...hat.com>
To: lulu@...hat.com,
	dtatulea@...dia.com,
	mst@...hat.com,
	jasowang@...hat.com,
	parav@...dia.com,
	sgarzare@...hat.com,
	netdev@...r.kernel.org,
	virtualization@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: [PATH v6 0/3] vdpa: support set mac address from vdpa tool

Add support for setting the MAC address using the VDPA tool.
This feature will allow setting the MAC address using the VDPA tool.
For example, in vdpa_sim_net, the implementation sets the MAC address
to the config space. However, for other drivers, they can implement their
own function, not limited to the config space.

Changelog v2
 - Changed the function name to prevent misunderstanding
 - Added check for blk device
 - Addressed the comments
Changelog v3
 - Split the function of the net device from vdpa_nl_cmd_dev_attr_set_doit
 - Add a lock for the network device's dev_set_attr operation
 - Address the comments
Changelog v4
 - Address the comments
 - Add a lock for the vdap_sim?_net device's dev_set_attr operation
Changelog v5
 - Address the comments
Changelog v6 
- Replace all the memcpy of mac address with ether_addr_copy()
- Remove the check for VIRTIO_NET_F_MAC in vdpa_dev_net_device_attr_set
- Remove unnecessary check
- Enhance the error log

Cindy Lu (3):
  vdpa: support set mac address from vdpa tool
  vdpa_sim_net: Add the support of set mac address
  vdpa/mlx5: Add the support of set mac address

 drivers/vdpa/mlx5/net/mlx5_vnet.c    | 28 ++++++++++
 drivers/vdpa/vdpa.c                  | 80 ++++++++++++++++++++++++++++
 drivers/vdpa/vdpa_sim/vdpa_sim_net.c | 22 +++++++-
 include/linux/vdpa.h                 |  9 ++++
 include/uapi/linux/vdpa.h            |  1 +
 5 files changed, 139 insertions(+), 1 deletion(-)

-- 
2.45.0