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authorCindy Lu <lulu@redhat.com>2024-07-31 05:16:02 +0200
committerMichael S. Tsirkin <mst@redhat.com>2024-09-10 08:51:48 +0200
commit218bb7ec17f1f66a63cb7421fb8a1d48032988e8 (patch)
treef482b1af537af3b5d5694408331d02056debf120 /drivers/vdpa
parentvdpa: support set mac address from vdpa tool (diff)
downloadlinux-218bb7ec17f1f66a63cb7421fb8a1d48032988e8.tar.xz
linux-218bb7ec17f1f66a63cb7421fb8a1d48032988e8.zip
vdpa_sim_net: Add the support of set mac address
Add the function to support setting the MAC address. For vdpa_sim_net, the driver will write the MAC address to the config space, and other devices can implement their own functions to support this. Signed-off-by: Cindy Lu <lulu@redhat.com> Message-Id: <20240731031653.1047692-3-lulu@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'drivers/vdpa')
-rw-r--r--drivers/vdpa/vdpa_sim/vdpa_sim_net.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim_net.c b/drivers/vdpa/vdpa_sim/vdpa_sim_net.c
index cfe962911804..6caf09a1907b 100644
--- a/drivers/vdpa/vdpa_sim/vdpa_sim_net.c
+++ b/drivers/vdpa/vdpa_sim/vdpa_sim_net.c
@@ -414,6 +414,24 @@ static void vdpasim_net_get_config(struct vdpasim *vdpasim, void *config)
net_config->status = cpu_to_vdpasim16(vdpasim, VIRTIO_NET_S_LINK_UP);
}
+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)) {
+ ether_addr_copy(vio_config->mac, config->net.mac);
+ mutex_unlock(&vdpasim->mutex);
+ return 0;
+ }
+
+ mutex_unlock(&vdpasim->mutex);
+ return -EOPNOTSUPP;
+}
+
static void vdpasim_net_setup_config(struct vdpasim *vdpasim,
const struct vdpa_dev_set_config *config)
{
@@ -510,7 +528,8 @@ static void vdpasim_net_dev_del(struct vdpa_mgmt_dev *mdev,
static const struct vdpa_mgmtdev_ops vdpasim_net_mgmtdev_ops = {
.dev_add = vdpasim_net_dev_add,
- .dev_del = vdpasim_net_dev_del
+ .dev_del = vdpasim_net_dev_del,
+ .dev_set_attr = vdpasim_net_set_attr
};
static struct virtio_device_id id_table[] = {