From eb6b6c121add5f708a920a68361099a8fa1ac45c Mon Sep 17 00:00:00 2001 From: Mark McLoughlin Date: Wed, 25 Nov 2009 18:49:11 +0000 Subject: net: convert virtio to NICState Signed-off-by: Mark McLoughlin Signed-off-by: Anthony Liguori --- hw/virtio-net.c | 73 ++++++++++++++++++++++++++++++--------------------------- 1 file changed, 39 insertions(+), 34 deletions(-) (limited to 'hw/virtio-net.c') diff --git a/hw/virtio-net.c b/hw/virtio-net.c index 2f147e5..4f8d89e 100644 --- a/hw/virtio-net.c +++ b/hw/virtio-net.c @@ -31,7 +31,7 @@ typedef struct VirtIONet VirtQueue *rx_vq; VirtQueue *tx_vq; VirtQueue *ctrl_vq; - VLANClientState *vc; + NICState *nic; QEMUTimer *tx_timer; int tx_timer_active; uint32_t has_vnet_hdr; @@ -85,16 +85,16 @@ static void virtio_net_set_config(VirtIODevice *vdev, const uint8_t *config) if (memcmp(netcfg.mac, n->mac, ETH_ALEN)) { memcpy(n->mac, netcfg.mac, ETH_ALEN); - qemu_format_nic_info_str(n->vc, n->mac); + qemu_format_nic_info_str(&n->nic->nc, n->mac); } } -static void virtio_net_set_link_status(VLANClientState *vc) +static void virtio_net_set_link_status(VLANClientState *nc) { - VirtIONet *n = vc->opaque; + VirtIONet *n = DO_UPCAST(NICState, nc, nc)->opaque; uint16_t old_status = n->status; - if (vc->link_down) + if (nc->link_down) n->status &= ~VIRTIO_NET_S_LINK_UP; else n->status |= VIRTIO_NET_S_LINK_UP; @@ -126,13 +126,13 @@ static void virtio_net_reset(VirtIODevice *vdev) static int peer_has_vnet_hdr(VirtIONet *n) { - if (!n->vc->peer) + if (!n->nic->nc.peer) return 0; - if (n->vc->peer->type != NET_CLIENT_TYPE_TAP) + if (n->nic->nc.peer->type != NET_CLIENT_TYPE_TAP) return 0; - n->has_vnet_hdr = tap_has_vnet_hdr(n->vc->peer); + n->has_vnet_hdr = tap_has_vnet_hdr(n->nic->nc.peer); return n->has_vnet_hdr; } @@ -142,7 +142,7 @@ static int peer_has_ufo(VirtIONet *n) if (!peer_has_vnet_hdr(n)) return 0; - n->has_ufo = tap_has_ufo(n->vc->peer); + n->has_ufo = tap_has_ufo(n->nic->nc.peer); return n->has_ufo; } @@ -159,7 +159,7 @@ static uint32_t virtio_net_get_features(VirtIODevice *vdev) (1 << VIRTIO_NET_F_CTRL_RX_EXTRA); if (peer_has_vnet_hdr(n)) { - tap_using_vnet_hdr(n->vc->peer, 1); + tap_using_vnet_hdr(n->nic->nc.peer, 1); features |= (1 << VIRTIO_NET_F_CSUM); features |= (1 << VIRTIO_NET_F_HOST_TSO4); @@ -202,7 +202,7 @@ static void virtio_net_set_features(VirtIODevice *vdev, uint32_t features) n->mergeable_rx_bufs = !!(features & (1 << VIRTIO_NET_F_MRG_RXBUF)); if (n->has_vnet_hdr) { - tap_set_offload(n->vc->peer, + tap_set_offload(n->nic->nc.peer, (features >> VIRTIO_NET_F_GUEST_CSUM) & 1, (features >> VIRTIO_NET_F_GUEST_TSO4) & 1, (features >> VIRTIO_NET_F_GUEST_TSO6) & 1, @@ -360,16 +360,16 @@ static void virtio_net_handle_rx(VirtIODevice *vdev, VirtQueue *vq) { VirtIONet *n = to_virtio_net(vdev); - qemu_flush_queued_packets(n->vc); + qemu_flush_queued_packets(&n->nic->nc); /* We now have RX buffers, signal to the IO thread to break out of the * select to re-poll the tap file descriptor */ qemu_notify_event(); } -static int virtio_net_can_receive(VLANClientState *vc) +static int virtio_net_can_receive(VLANClientState *nc) { - VirtIONet *n = vc->opaque; + VirtIONet *n = DO_UPCAST(NICState, nc, nc)->opaque; if (!virtio_queue_ready(n->rx_vq) || !(n->vdev.status & VIRTIO_CONFIG_S_DRIVER_OK)) @@ -511,13 +511,13 @@ static int receive_filter(VirtIONet *n, const uint8_t *buf, int size) return 0; } -static ssize_t virtio_net_receive(VLANClientState *vc, const uint8_t *buf, size_t size) +static ssize_t virtio_net_receive(VLANClientState *nc, const uint8_t *buf, size_t size) { - VirtIONet *n = vc->opaque; + VirtIONet *n = DO_UPCAST(NICState, nc, nc)->opaque; struct virtio_net_hdr_mrg_rxbuf *mhdr = NULL; size_t hdr_len, offset, i; - if (!virtio_net_can_receive(n->vc)) + if (!virtio_net_can_receive(&n->nic->nc)) return -1; if (!virtio_net_has_buffers(n, size)) @@ -590,9 +590,9 @@ static ssize_t virtio_net_receive(VLANClientState *vc, const uint8_t *buf, size_ static void virtio_net_flush_tx(VirtIONet *n, VirtQueue *vq); -static void virtio_net_tx_complete(VLANClientState *vc, ssize_t len) +static void virtio_net_tx_complete(VLANClientState *nc, ssize_t len) { - VirtIONet *n = vc->opaque; + VirtIONet *n = DO_UPCAST(NICState, nc, nc)->opaque; virtqueue_push(n->tx_vq, &n->async_tx.elem, n->async_tx.len); virtio_notify(&n->vdev, n->tx_vq); @@ -644,7 +644,7 @@ static void virtio_net_flush_tx(VirtIONet *n, VirtQueue *vq) len += hdr_len; } - ret = qemu_sendv_packet_async(n->vc, out_sg, out_num, + ret = qemu_sendv_packet_async(&n->nic->nc, out_sg, out_num, virtio_net_tx_complete); if (ret == 0) { virtio_queue_set_notification(n->tx_vq, 0); @@ -766,8 +766,8 @@ static int virtio_net_load(QEMUFile *f, void *opaque, int version_id) } if (n->has_vnet_hdr) { - tap_using_vnet_hdr(n->vc->peer, 1); - tap_set_offload(n->vc->peer, + tap_using_vnet_hdr(n->nic->nc.peer, 1); + tap_set_offload(n->nic->nc.peer, (n->vdev.features >> VIRTIO_NET_F_GUEST_CSUM) & 1, (n->vdev.features >> VIRTIO_NET_F_GUEST_TSO4) & 1, (n->vdev.features >> VIRTIO_NET_F_GUEST_TSO6) & 1, @@ -811,13 +811,22 @@ static int virtio_net_load(QEMUFile *f, void *opaque, int version_id) return 0; } -static void virtio_net_cleanup(VLANClientState *vc) +static void virtio_net_cleanup(VLANClientState *nc) { - VirtIONet *n = vc->opaque; + VirtIONet *n = DO_UPCAST(NICState, nc, nc)->opaque; - n->vc = NULL; + n->nic = NULL; } +static NetClientInfo net_virtio_info = { + .type = NET_CLIENT_TYPE_NIC, + .size = sizeof(NICState), + .can_receive = virtio_net_can_receive, + .receive = virtio_net_receive, + .cleanup = virtio_net_cleanup, + .link_status_changed = virtio_net_set_link_status, +}; + VirtIODevice *virtio_net_init(DeviceState *dev, NICConf *conf) { VirtIONet *n; @@ -839,14 +848,10 @@ VirtIODevice *virtio_net_init(DeviceState *dev, NICConf *conf) qemu_macaddr_default_if_unset(&conf->macaddr); memcpy(&n->mac[0], &conf->macaddr, sizeof(n->mac)); n->status = VIRTIO_NET_S_LINK_UP; - n->vc = qemu_new_vlan_client(NET_CLIENT_TYPE_NIC, conf->vlan, conf->peer, - dev->info->name, dev->id, - virtio_net_can_receive, - virtio_net_receive, NULL, NULL, - virtio_net_cleanup, n); - n->vc->link_status_changed = virtio_net_set_link_status; - qemu_format_nic_info_str(n->vc, conf->macaddr.a); + n->nic = qemu_new_nic(&net_virtio_info, conf, dev->info->name, dev->id, n); + + qemu_format_nic_info_str(&n->nic->nc, conf->macaddr.a); n->tx_timer = qemu_new_timer(vm_clock, virtio_net_tx_timer, n); n->tx_timer_active = 0; @@ -867,7 +872,7 @@ void virtio_net_exit(VirtIODevice *vdev) { VirtIONet *n = DO_UPCAST(VirtIONet, vdev, vdev); - qemu_purge_queued_packets(n->vc); + qemu_purge_queued_packets(&n->nic->nc); unregister_savevm("virtio-net", n); @@ -878,5 +883,5 @@ void virtio_net_exit(VirtIODevice *vdev) qemu_free_timer(n->tx_timer); virtio_cleanup(&n->vdev); - qemu_del_vlan_client(n->vc); + qemu_del_vlan_client(&n->nic->nc); } -- cgit v1.1