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pds_vdpa: reset to vdpa specified mac

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When the vdpa device is reset, also reinitialize it with the mac address
that was assigned when the device was added.

Fixes: 151cc834f3 ("pds_vdpa: add support for vdpa and vdpamgmt interfaces")
Signed-off-by: Allen Hubbe <allen.hubbe@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Message-Id: <20230711042437.69381-2-shannon.nelson@amd.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Allen Hubbe 2023-07-10 21:24:33 -07:00 committed by Michael S. Tsirkin
parent 2c507ce90e
commit 0cd2c13b1c
2 changed files with 9 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/vdpa/pds/vdpa_dev.c
View File

@ -409,6 +409,8 @@ static void pds_vdpa_set_status(struct vdpa_device *vdpa_dev, u8 status)
pdsv->vqs[i].avail_idx = 0;
pdsv->vqs[i].used_idx = 0;
}
pds_vdpa_cmd_set_mac(pdsv, pdsv->mac);
}
if (status & ~old_status & VIRTIO_CONFIG_S_FEATURES_OK) {
@ -532,7 +534,6 @@ static int pds_vdpa_dev_add(struct vdpa_mgmt_dev *mdev, const char *name,
struct device *dma_dev;
struct pci_dev *pdev;
struct device *dev;
u8 mac[ETH_ALEN];
int err;
int i;
@ -617,19 +618,18 @@ static int pds_vdpa_dev_add(struct vdpa_mgmt_dev *mdev, const char *name,
* or set a random mac if default is 00:..:00
*/
if (add_config->mask & BIT_ULL(VDPA_ATTR_DEV_NET_CFG_MACADDR)) {
ether_addr_copy(mac, add_config->net.mac);
pds_vdpa_cmd_set_mac(pdsv, mac);
ether_addr_copy(pdsv->mac, add_config->net.mac);
} else {
struct virtio_net_config __iomem *vc;
vc = pdsv->vdpa_aux->vd_mdev.device;
memcpy_fromio(mac, vc->mac, sizeof(mac));
if (is_zero_ether_addr(mac)) {
eth_random_addr(mac);
dev_info(dev, "setting random mac %pM\n", mac);
pds_vdpa_cmd_set_mac(pdsv, mac);
memcpy_fromio(pdsv->mac, vc->mac, sizeof(pdsv->mac));
if (is_zero_ether_addr(pdsv->mac)) {
eth_random_addr(pdsv->mac);
dev_info(dev, "setting random mac %pM\n", pdsv->mac);
}
}
pds_vdpa_cmd_set_mac(pdsv, pdsv->mac);
for (i = 0; i < pdsv->num_vqs; i++) {
pdsv->vqs[i].qid = i;

1
drivers/vdpa/pds/vdpa_dev.h
View File

@ -39,6 +39,7 @@ struct pds_vdpa_device {
u64 req_features; /* features requested by vdpa */
u8 vdpa_index; /* rsvd for future subdevice use */
u8 num_vqs; /* num vqs in use */
u8 mac[ETH_ALEN]; /* mac selected when the device was added */
struct vdpa_callback config_cb;
struct notifier_block nb;
};