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authorStefano Garzarella <sgarzare@redhat.com>2020-12-15 15:42:48 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-02-23 15:53:22 +0100
commit0fb67eda6a9c67e206d87d5a68f424d4316fa74d (patch)
tree14128def70163b6315d0951069ebcc4bd81f3e12
parent0ed8181561be3c335778e14cf46ed2d7a4f7d742 (diff)
vdpa_sim: store parsed MAC address in a buffer
commit cf1a3b35382c10ce315c32bd2b3d7789897fbe13 upstream. As preparation for the next patches, we store the MAC address, parsed during the vdpasim_create(), in a buffer that will be used to fill 'config' together with other configurations. Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Link: https://lore.kernel.org/r/20201215144256.155342-11-sgarzare@redhat.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/vdpa/vdpa_sim/vdpa_sim.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c
index 6a5603f9d24c..bc27fa485c3e 100644
--- a/drivers/vdpa/vdpa_sim/vdpa_sim.c
+++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c
@@ -42,6 +42,8 @@ static char *macaddr;
module_param(macaddr, charp, 0);
MODULE_PARM_DESC(macaddr, "Ethernet MAC address");
+u8 macaddr_buf[ETH_ALEN];
+
struct vdpasim_virtqueue {
struct vringh vring;
struct vringh_kiov iov;
@@ -392,13 +394,13 @@ static struct vdpasim *vdpasim_create(struct vdpasim_dev_attr *dev_attr)
goto err_iommu;
if (macaddr) {
- mac_pton(macaddr, vdpasim->config.mac);
- if (!is_valid_ether_addr(vdpasim->config.mac)) {
+ mac_pton(macaddr, macaddr_buf);
+ if (!is_valid_ether_addr(macaddr_buf)) {
ret = -EADDRNOTAVAIL;
goto err_iommu;
}
} else {
- eth_random_addr(vdpasim->config.mac);
+ eth_random_addr(macaddr_buf);
}
for (i = 0; i < dev_attr->nvqs; i++)
@@ -532,6 +534,8 @@ static int vdpasim_set_features(struct vdpa_device *vdpa, u64 features)
config->mtu = cpu_to_vdpasim16(vdpasim, 1500);
config->status = cpu_to_vdpasim16(vdpasim, VIRTIO_NET_S_LINK_UP);
+ memcpy(config->mac, macaddr_buf, ETH_ALEN);
+
return 0;
}