diff options
| author | Laurent Vivier <lvivier@redhat.com> | 2020-10-29 15:20:50 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2020-10-30 11:04:35 +0300 |
| commit | 0c86d774883fa17e7c81b0c8838b88d06c2c911e (patch) | |
| tree | e4cb60956e53bf97c3a2addb64c2cf605341f916 /drivers/vdpa/vdpa_sim/vdpa_sim.c | |
| parent | 4a6a42db53aae049a8a64d4b273761bc80c46ebf (diff) | |
| download | linux-0c86d774883fa17e7c81b0c8838b88d06c2c911e.tar.xz | |
vdpasim: allow to assign a MAC address
Add macaddr parameter to the module to set the MAC address to use
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Link: https://lore.kernel.org/r/20201029122050.776445-3-lvivier@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'drivers/vdpa/vdpa_sim/vdpa_sim.c')
| -rw-r--r-- | drivers/vdpa/vdpa_sim/vdpa_sim.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c index 3192ce47e029..9e9ead83c19b 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c @@ -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; - eth_random_addr(vdpasim->config.mac); + 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); |