vdpasim: allow to assign a MAC address (0c86d774) · Commits · 戴 / test

Add macaddr parameter to the module to set the MAC address to use Signed-off-by:

drivers/vdpa/vdpa_sim/vdpa_sim.c

+13 −1

Original line number	Diff line number	Diff line
		@@ -38,6 +38,10 @@ static int batch_mapping = 1;
		module_param(batch_mapping, int, 0444);
		MODULE_PARM_DESC(batch_mapping, "Batched mapping 1 -Enable; 0 - Disable");

		static char *macaddr;
		module_param(macaddr, charp, 0);
		MODULE_PARM_DESC(macaddr, "Ethernet MAC address");

		struct vdpasim_virtqueue {
		struct vringh vring;
		struct vringh_kiov iov;
		@@ -375,7 +379,15 @@ static struct vdpasim *vdpasim_create(void)
		if (!vdpasim->buffer)
		goto err_iommu;

		if (macaddr) {
		mac_pton(macaddr, vdpasim->config.mac);
		if (!is_valid_ether_addr(vdpasim->config.mac)) {
		ret = -EADDRNOTAVAIL;
		goto err_iommu;
		}
		} else {
		eth_random_addr(vdpasim->config.mac);
		}

		vringh_set_iotlb(&vdpasim->vqs[0].vring, vdpasim->iommu);
		vringh_set_iotlb(&vdpasim->vqs[1].vring, vdpasim->iommu);