search for: virtionet

We have found it useful to be able to set the linkspeed and duplex settings from the host-side for virtio_net. This obviates the need for guest changes and settings for these fields, and does not require custom ethtool commands for virtio_net. The ability to set linkspeed and

We have found it useful to be able to set the linkspeed and duplex settings from the host-side for virtio_net. This obviates the need for guest changes and settings for these fields, and does not require custom ethtool commands for virtio_net. The ability to set linkspeed and duplex is useful in various cases as described here: 16032be virtio_net: add ethtool support for set and get of settings

...n->host_features |= (1ULL << VIRTIO_NET_F_MTU); } virtio_net_set_config_size(n, n->host_features); @@ -2109,45 +2109,45 @@ static const VMStateDescription vmstate_virtio_net = { }; 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, + DEFINE_PROP_BIT64("csum", VirtIONet, host_features, VIRTIO_NET_F_CSUM, true), + DEFINE_PROP_BIT64("guest_csum", VirtIONet, host_features,...

We have found it useful to be able to set the linkspeed and duplex settings from the host-side for virtio_net. This obviates the need for guest changes and settings for these fields, and does not require custom ethtool commands for virtio_net. The ability to set linkspeed and duplex is useful in various cases as described here: 16032be virtio_net: add ethtool support for set and get of settings

...d, 5 insertions(+) diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index 90502fca7c..38b3140670 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -2198,6 +2198,8 @@ static Property virtio_net_properties[] = { true), DEFINE_PROP_INT32("speed", VirtIONet, net_conf.speed, SPEED_UNKNOWN), DEFINE_PROP_STRING("duplex", VirtIONet, net_conf.duplex_str), + DEFINE_PROP_BIT64("standby", VirtIONet, host_features, VIRTIO_NET_F_STANDBY, + false), DEFINE_PROP_END_OF_LIST(), }; diff --git a/include/standar...

...d, 5 insertions(+) diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index 90502fca7c..38b3140670 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -2198,6 +2198,8 @@ static Property virtio_net_properties[] = { true), DEFINE_PROP_INT32("speed", VirtIONet, net_conf.speed, SPEED_UNKNOWN), DEFINE_PROP_STRING("duplex", VirtIONet, net_conf.duplex_str), + DEFINE_PROP_BIT64("standby", VirtIONet, host_features, VIRTIO_NET_F_STANDBY, + false), DEFINE_PROP_END_OF_LIST(), }; diff --git a/include/standar...

Hello all: This seires is an update of last version of multiqueue support to add multiqueue capability to both tap and virtio-net. Some kinds of tap backends has (macvatp in linux) or would (tap) support multiqueue. In such kind of tap backend, each file descriptor of a tap is a qeueu and ioctls were prodived to attach an exist tap file descriptor to the tun/tap device. So the patch let qemu to

Hello all: This seires is an update of last version of multiqueue support to add multiqueue capability to both tap and virtio-net. Some kinds of tap backends has (macvatp in linux) or would (tap) support multiqueue. In such kind of tap backend, each file descriptor of a tap is a qeueu and ioctls were prodived to attach an exist tap file descriptor to the tun/tap device. So the patch let qemu to

...N 2 // GSO frame, IPv4 TCP w/ ECN +#define VIRTIO_NET_HDR_GSO_UDP 3 // GSO frame, IPv4 UDP (UFO) +#define VIRTIO_NET_HDR_GSO_TCPV6 4 // GSO frame, IPv6 TCP + uint8_t gso_type; + uint16_t gso_size; + uint16_t csum_start; + uint16_t csum_offset; +}; + +typedef struct VirtIONet +{ + VirtIODevice vdev; + uint8_t mac[6]; + VirtQueue *rx_vq; + VirtQueue *tx_vq; + VLANClientState *vc; + int can_receive; +} VirtIONet; + +static VirtIONet *to_virtio_net(VirtIODevice *vdev) +{ + return (VirtIONet *)vdev; +} + +static void virtio_net_update_config(VirtIODevic...

...N 2 // GSO frame, IPv4 TCP w/ ECN +#define VIRTIO_NET_HDR_GSO_UDP 3 // GSO frame, IPv4 UDP (UFO) +#define VIRTIO_NET_HDR_GSO_TCPV6 4 // GSO frame, IPv6 TCP + uint8_t gso_type; + uint16_t gso_size; + uint16_t csum_start; + uint16_t csum_offset; +}; + +typedef struct VirtIONet +{ + VirtIODevice vdev; + uint8_t mac[6]; + VirtQueue *rx_vq; + VirtQueue *tx_vq; + VLANClientState *vc; + int can_receive; +} VirtIONet; + +static VirtIONet *to_virtio_net(VirtIODevice *vdev) +{ + return (VirtIONet *)vdev; +} + +static void virtio_net_update_config(VirtIODevic...

Hello all: This seires is an update of last version of multiqueue support to add multiqueue capability to both tap and virtio-net. Some kinds of tap backends has (macvatp in linux) or would (tap) support multiqueue. In such kind of tap backend, each file descriptor of a tap is a qeueu and ioctls were prodived to attach an exist tap file descriptor to the tun/tap device. So the patch let qemu to

Hello all: This seires is an update of last version of multiqueue support to add multiqueue capability to both tap and virtio-net. Some kinds of tap backends has (macvatp in linux) or would (tap) support multiqueue. In such kind of tap backend, each file descriptor of a tap is a qeueu and ioctls were prodived to attach an exist tap file descriptor to the tun/tap device. So the patch let qemu to

...; - +void virtio_net_poll(void); /* virtio-blk.h */ void *virtio_blk_init(PCIBus *bus, uint16_t vendor, uint16_t device, diff --git a/qemu/hw/virtio-net.c b/qemu/hw/virtio-net.c index f6f1f28..b955a5e 100644 --- a/qemu/hw/virtio-net.c +++ b/qemu/hw/virtio-net.c @@ -60,8 +60,13 @@ typedef struct VirtIONet VirtQueue *tx_vq; VLANClientState *vc; int can_receive; + int tap_fd; + struct VirtIONet *next; + int do_notify; } VirtIONet; +static VirtIONet *VirtIONetHead = NULL; + static VirtIONet *to_virtio_net(VirtIODevice *vdev) { return (VirtIONet *)vdev; @@ -96,42 +101,8...

...; - +void virtio_net_poll(void); /* virtio-blk.h */ void *virtio_blk_init(PCIBus *bus, uint16_t vendor, uint16_t device, diff --git a/qemu/hw/virtio-net.c b/qemu/hw/virtio-net.c index f6f1f28..b955a5e 100644 --- a/qemu/hw/virtio-net.c +++ b/qemu/hw/virtio-net.c @@ -60,8 +60,13 @@ typedef struct VirtIONet VirtQueue *tx_vq; VLANClientState *vc; int can_receive; + int tap_fd; + struct VirtIONet *next; + int do_notify; } VirtIONet; +static VirtIONet *VirtIONetHead = NULL; + static VirtIONet *to_virtio_net(VirtIODevice *vdev) { return (VirtIONet *)vdev; @@ -96,42 +101,8...

On Thu, Dec 11, 2014 at 02:25:18PM +0100, Cornelia Huck wrote: > diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c > index ebbea60..7ee2bd6 100644 > --- a/hw/net/virtio-net.c > +++ b/hw/net/virtio-net.c > @@ -373,15 +373,21 @@ static int peer_has_ufo(VirtIONet *n) > return n->has_ufo; > } > > -static void virtio_net_set_mrg_rx_bufs(VirtIONet *n, int mergeable_rx_bufs) > +static void virtio_net_set_mrg_rx_bufs(VirtIONet *n, int mergeable_rx_bufs, > + int version_1) Please use bool, it mak...

On Thu, Dec 11, 2014 at 02:25:18PM +0100, Cornelia Huck wrote: > diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c > index ebbea60..7ee2bd6 100644 > --- a/hw/net/virtio-net.c > +++ b/hw/net/virtio-net.c > @@ -373,15 +373,21 @@ static int peer_has_ufo(VirtIONet *n) > return n->has_ufo; > } > > -static void virtio_net_set_mrg_rx_bufs(VirtIONet *n, int mergeable_rx_bufs) > +static void virtio_net_set_mrg_rx_bufs(VirtIONet *n, int mergeable_rx_bufs, > + int version_1) Please use bool, it mak...

...w/net/virtio-net.c >> index 90502fca7c..38b3140670 100644 >> --- a/hw/net/virtio-net.c >> +++ b/hw/net/virtio-net.c >> @@ -2198,6 +2198,8 @@ static Property virtio_net_properties[] = { >> true), >> DEFINE_PROP_INT32("speed", VirtIONet, net_conf.speed, SPEED_UNKNOWN), >> DEFINE_PROP_STRING("duplex", VirtIONet, net_conf.duplex_str), >> + DEFINE_PROP_BIT64("standby", VirtIONet, host_features, VIRTIO_NET_F_STANDBY, >> + false), >> DEFINE_PROP_END_OF_LIST...

...w/net/virtio-net.c >> index 90502fca7c..38b3140670 100644 >> --- a/hw/net/virtio-net.c >> +++ b/hw/net/virtio-net.c >> @@ -2198,6 +2198,8 @@ static Property virtio_net_properties[] = { >> true), >> DEFINE_PROP_INT32("speed", VirtIONet, net_conf.speed, SPEED_UNKNOWN), >> DEFINE_PROP_STRING("duplex", VirtIONet, net_conf.duplex_str), >> + DEFINE_PROP_BIT64("standby", VirtIONet, host_features, VIRTIO_NET_F_STANDBY, >> + false), >> DEFINE_PROP_END_OF_LIST...

From: Amos Kong <akong at redhat.com> Currently virtio-net code relys on the layout of descriptor, this patchset removed the assumptions and introduced a control command to set mac address. Last patch is a trivial renaming. V2: check guest's iov_len V3: fix of migration compatibility make mac field in config space read-only when new feature is acked V4: add fix of descriptor layout

From: Amos Kong <akong at redhat.com> Currently virtio-net code relys on the layout of descriptor, this patchset removed the assumptions and introduced a control command to set mac address. Last patch is a trivial renaming. V2: check guest's iov_len V3: fix of migration compatibility make mac field in config space read-only when new feature is acked V4: add fix of descriptor layout