static void virtio_net_device_realize(DeviceState *dev, Error **errp) { VirtIODevice *vdev = VIRTIO_DEVICE(dev); VirtIONet *n = VIRTIO_NET(dev); NetClientState *nc; int i; virtio_init(vdev, "virtio-net", VIRTIO_ID_NET, n->config_size); n->max_queues = MAX(n->nic_conf.peers.queues, 1); n->vqs = g_malloc0(sizeof(VirtIONetQueue) * n->max_queues); n->vqs[0].rx_vq = virtio_add_queue(vdev, 256, virtio_net_handle_rx); n->curr_queues = 1; n->vqs[0].n = n; n->tx_timeout = n->net_conf.txtimer; if (n->net_conf.tx && strcmp(n->net_conf.tx, "timer") && strcmp(n->net_conf.tx, "bh")) { error_report("virtio-net: " "Unknown option tx=%s, valid options: \"timer\" \"bh\"", n->net_conf.tx); error_report("Defaulting to \"bh\""); if (n->net_conf.tx && !strcmp(n->net_conf.tx, "timer")) { n->vqs[0].tx_vq = virtio_add_queue(vdev, 256, virtio_net_handle_tx_timer); n->vqs[0].tx_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, virtio_net_tx_timer, &n->vqs[0]); } else { n->vqs[0].tx_vq = virtio_add_queue(vdev, 256, virtio_net_handle_tx_bh); n->vqs[0].tx_bh = qemu_bh_new(virtio_net_tx_bh, &n->vqs[0]); n->ctrl_vq = virtio_add_queue(vdev, 64, virtio_net_handle_ctrl); qemu_macaddr_default_if_unset(&n->nic_conf.macaddr); memcpy(&n->mac[0], &n->nic_conf.macaddr, sizeof(n->mac)); n->status = VIRTIO_NET_S_LINK_UP; n->announce_timer = timer_new_ms(QEMU_CLOCK_VIRTUAL, virtio_net_announce_timer, n); if (n->netclient_type) { /* * Happen when virtio_net_set_netclient_name has been called. */ n->nic = qemu_new_nic(&net_virtio_info, &n->nic_conf, n->netclient_type, n->netclient_name, n); } else { n->nic = qemu_new_nic(&net_virtio_info, &n->nic_conf, object_get_typename(OBJECT(dev)), dev->id, n); peer_test_vnet_hdr(n); if (peer_has_vnet_hdr(n)) { for (i = 0; i < n->max_queues; i++) { qemu_using_vnet_hdr(qemu_get_subqueue(n->nic, i)->peer, true); n->host_hdr_len = sizeof(struct virtio_net_hdr); } else { n->host_hdr_len = 0; qemu_format_nic_info_str(qemu_get_queue(n->nic), n->nic_conf.macaddr.a); n->vqs[0].tx_waiting = 0; n->tx_burst = n->net_conf.txburst; virtio_net_set_mrg_rx_bufs(n, 0); n->promisc = 1; /* for compatibility */ n->mac_table.macs = g_malloc0(MAC_TABLE_ENTRIES * ETH_ALEN); n->vlans = g_malloc0(MAX_VLAN >> 3); nc = qemu_get_queue(n->nic); 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_realize(DeviceState *dev, Error **errp) { VirtIODevice *vdev = VIRTIO_DEVICE(dev); VirtIONet *n = VIRTIO_NET(dev); NetClientState *nc; int i; virtio_init(vdev, "virtio-net", VIRTIO_ID_NET, n->config_size); n->max_queues = MAX(n->nic_conf.peers.queues, 1); n->vqs = g_malloc0(sizeof(VirtIONetQueue) * n->max_queues); n->vqs[0].rx_vq = virtio_add_queue(vdev, 256, virtio_net_handle_rx); n->curr_queues = 1; n->vqs[0].n = n; n->tx_timeout = n->net_conf.txtimer; if (n->net_conf.tx && strcmp(n->net_conf.tx, "timer") && strcmp(n->net_conf.tx, "bh")) { error_report("virtio-net: " "Unknown option tx=%s, valid options: \"timer\" \"bh\"", n->net_conf.tx); error_report("Defaulting to \"bh\""); if (n->net_conf.tx && !strcmp(n->net_conf.tx, "timer")) { n->vqs[0].tx_vq = virtio_add_queue(vdev, 256, virtio_net_handle_tx_timer); n->vqs[0].tx_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, virtio_net_tx_timer, &n->vqs[0]); } else { n->vqs[0].tx_vq = virtio_add_queue(vdev, 256, virtio_net_handle_tx_bh); n->vqs[0].tx_bh = qemu_bh_new(virtio_net_tx_bh, &n->vqs[0]); n->ctrl_vq = virtio_add_queue(vdev, 64, virtio_net_handle_ctrl); qemu_macaddr_default_if_unset(&n->nic_conf.macaddr); memcpy(&n->mac[0], &n->nic_conf.macaddr, sizeof(n->mac)); n->status = VIRTIO_NET_S_LINK_UP; n->announce_timer = timer_new_ms(QEMU_CLOCK_VIRTUAL, virtio_net_announce_timer, n); if (n->netclient_type) {   n->nic = qemu_new_nic(&net_virtio_info, &n->nic_conf, n->netclient_type, n->netclient_name, n); } else { n->nic = qemu_new_nic(&net_virtio_info, &n->nic_conf, object_get_typename(OBJECT(dev)), dev->id, n); peer_test_vnet_hdr(n); if (peer_has_vnet_hdr(n)) { for (i = 0; i < n->max_queues; i++) { qemu_using_vnet_hdr(qemu_get_subqueue(n->nic, i)->peer, true); n->host_hdr_len = sizeof(struct virtio_net_hdr); } else { n->host_hdr_len = 0; qemu_format_nic_info_str(qemu_get_queue(n->nic), n->nic_conf.macaddr.a); n->vqs[0].tx_waiting = 0; n->tx_burst = n->net_conf.txburst; virtio_net_set_mrg_rx_bufs(n, 0); n->promisc = 1;   n->mac_table.macs = g_malloc0(MAC_TABLE_ENTRIES * ETH_ALEN); n->vlans = g_malloc0(MAX_VLAN >> 3); nc = qemu_get_queue(n->nic); 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);