netdev - Re: [PATH v5 2/3] vdpa_sim_net: Add the support of set mac address

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Message-ID: <aa52dd0c-a5a7-4416-ba15-6527f5490044@lunn.ch>
Date: Tue, 23 Jul 2024 20:51:08 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Cindy Lu <lulu@...hat.com>
Cc: 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: Re: [PATH v5 2/3] vdpa_sim_net: Add the support of set mac address

> +static int vdpasim_net_set_attr(struct vdpa_mgmt_dev *mdev,
> +				struct vdpa_device *dev,
> +				const struct vdpa_dev_set_config *config)
> +{
> +	struct vdpasim *vdpasim = container_of(dev, struct vdpasim, vdpa);
> +	struct virtio_net_config *vio_config = vdpasim->config;
> +
> +	mutex_lock(&vdpasim->mutex);
> +
> +	if (config->mask & (1 << VDPA_ATTR_DEV_NET_CFG_MACADDR)) {
> +		memcpy(vio_config->mac, config->net.mac, ETH_ALEN);

ether_addr_copy()

	Andrew