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Diffstat (limited to 'hw/net/virtio-net.c')
-rw-r--r--hw/net/virtio-net.c102
1 files changed, 40 insertions, 62 deletions
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 56d85062ff..01f1351554 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -1492,7 +1492,7 @@ static void virtio_net_set_multiqueue(VirtIONet *n, int multiqueue)
virtio_net_set_queues(n);
}
-static void virtio_net_save(QEMUFile *f, void *opaque)
+static void virtio_net_save(QEMUFile *f, void *opaque, size_t size)
{
VirtIONet *n = opaque;
VirtIODevice *vdev = VIRTIO_DEVICE(n);
@@ -1538,15 +1538,12 @@ static void virtio_net_save_device(VirtIODevice *vdev, QEMUFile *f)
}
}
-static int virtio_net_load(QEMUFile *f, void *opaque, int version_id)
+static int virtio_net_load(QEMUFile *f, void *opaque, size_t size)
{
VirtIONet *n = opaque;
VirtIODevice *vdev = VIRTIO_DEVICE(n);
- if (version_id < 2 || version_id > VIRTIO_NET_VM_VERSION)
- return -EINVAL;
-
- return virtio_load(vdev, f, version_id);
+ return virtio_load(vdev, f, VIRTIO_NET_VM_VERSION);
}
static int virtio_net_load_device(VirtIODevice *vdev, QEMUFile *f,
@@ -1562,68 +1559,49 @@ static int virtio_net_load_device(VirtIODevice *vdev, QEMUFile *f,
virtio_vdev_has_feature(vdev,
VIRTIO_F_VERSION_1));
- if (version_id >= 3)
- n->status = qemu_get_be16(f);
+ n->status = qemu_get_be16(f);
- if (version_id >= 4) {
- if (version_id < 8) {
- n->promisc = qemu_get_be32(f);
- n->allmulti = qemu_get_be32(f);
- } else {
- n->promisc = qemu_get_byte(f);
- n->allmulti = qemu_get_byte(f);
- }
- }
+ n->promisc = qemu_get_byte(f);
+ n->allmulti = qemu_get_byte(f);
- if (version_id >= 5) {
- n->mac_table.in_use = qemu_get_be32(f);
- /* MAC_TABLE_ENTRIES may be different from the saved image */
- if (n->mac_table.in_use <= MAC_TABLE_ENTRIES) {
- qemu_get_buffer(f, n->mac_table.macs,
- n->mac_table.in_use * ETH_ALEN);
- } else {
- int64_t i;
-
- /* Overflow detected - can happen if source has a larger MAC table.
- * We simply set overflow flag so there's no need to maintain the
- * table of addresses, discard them all.
- * Note: 64 bit math to avoid integer overflow.
- */
- for (i = 0; i < (int64_t)n->mac_table.in_use * ETH_ALEN; ++i) {
- qemu_get_byte(f);
- }
- n->mac_table.multi_overflow = n->mac_table.uni_overflow = 1;
- n->mac_table.in_use = 0;
+ n->mac_table.in_use = qemu_get_be32(f);
+ /* MAC_TABLE_ENTRIES may be different from the saved image */
+ if (n->mac_table.in_use <= MAC_TABLE_ENTRIES) {
+ qemu_get_buffer(f, n->mac_table.macs,
+ n->mac_table.in_use * ETH_ALEN);
+ } else {
+ int64_t i;
+
+ /* Overflow detected - can happen if source has a larger MAC table.
+ * We simply set overflow flag so there's no need to maintain the
+ * table of addresses, discard them all.
+ * Note: 64 bit math to avoid integer overflow.
+ */
+ for (i = 0; i < (int64_t)n->mac_table.in_use * ETH_ALEN; ++i) {
+ qemu_get_byte(f);
}
+ n->mac_table.multi_overflow = n->mac_table.uni_overflow = 1;
+ n->mac_table.in_use = 0;
}
- if (version_id >= 6)
- qemu_get_buffer(f, (uint8_t *)n->vlans, MAX_VLAN >> 3);
+ qemu_get_buffer(f, (uint8_t *)n->vlans, MAX_VLAN >> 3);
- if (version_id >= 7) {
- if (qemu_get_be32(f) && !peer_has_vnet_hdr(n)) {
- error_report("virtio-net: saved image requires vnet_hdr=on");
- return -1;
- }
+ if (qemu_get_be32(f) && !peer_has_vnet_hdr(n)) {
+ error_report("virtio-net: saved image requires vnet_hdr=on");
+ return -1;
}
- if (version_id >= 9) {
- n->mac_table.multi_overflow = qemu_get_byte(f);
- n->mac_table.uni_overflow = qemu_get_byte(f);
- }
+ n->mac_table.multi_overflow = qemu_get_byte(f);
+ n->mac_table.uni_overflow = qemu_get_byte(f);
- if (version_id >= 10) {
- n->alluni = qemu_get_byte(f);
- n->nomulti = qemu_get_byte(f);
- n->nouni = qemu_get_byte(f);
- n->nobcast = qemu_get_byte(f);
- }
+ n->alluni = qemu_get_byte(f);
+ n->nomulti = qemu_get_byte(f);
+ n->nouni = qemu_get_byte(f);
+ n->nobcast = qemu_get_byte(f);
- if (version_id >= 11) {
- if (qemu_get_byte(f) && !peer_has_ufo(n)) {
- error_report("virtio-net: saved image requires TUN_F_UFO support");
- return -1;
- }
+ if (qemu_get_byte(f) && !peer_has_ufo(n)) {
+ error_report("virtio-net: saved image requires TUN_F_UFO support");
+ return -1;
}
if (n->max_queues > 1) {
@@ -1809,8 +1787,6 @@ static void virtio_net_device_realize(DeviceState *dev, Error **errp)
nc->rxfilter_notify_enabled = 1;
n->qdev = dev;
- register_savevm(dev, "virtio-net", -1, VIRTIO_NET_VM_VERSION,
- virtio_net_save, virtio_net_load, n);
}
static void virtio_net_device_unrealize(DeviceState *dev, Error **errp)
@@ -1822,8 +1798,6 @@ static void virtio_net_device_unrealize(DeviceState *dev, Error **errp)
/* This will stop vhost backend if appropriate. */
virtio_net_set_status(vdev, 0);
- unregister_savevm(dev, "virtio-net", n);
-
g_free(n->netclient_name);
n->netclient_name = NULL;
g_free(n->netclient_type);
@@ -1858,6 +1832,9 @@ static void virtio_net_instance_init(Object *obj)
DEVICE(n), NULL);
}
+VMSTATE_VIRTIO_DEVICE(net, VIRTIO_NET_VM_VERSION, virtio_net_load,
+ virtio_net_save);
+
static Property virtio_net_properties[] = {
DEFINE_PROP_BIT("csum", VirtIONet, host_features, VIRTIO_NET_F_CSUM, true),
DEFINE_PROP_BIT("guest_csum", VirtIONet, host_features,
@@ -1912,6 +1889,7 @@ static void virtio_net_class_init(ObjectClass *klass, void *data)
VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass);
dc->props = virtio_net_properties;
+ dc->vmsd = &vmstate_virtio_net;
set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
vdc->realize = virtio_net_device_realize;
vdc->unrealize = virtio_net_device_unrealize;
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-26 03:37:01 +0000