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...e you this impression? Take a look at e.g. this > code in qemu: > > static void virtio_net_reset(VirtIODevice *vdev) > { > VirtIONet *n = VIRTIO_NET(vdev); > > /* Reset back to compatibility mode */ > n->promisc = 1; > n->allmulti = 0; > n->alluni = 0; > n->nomulti = 0; > n->nouni = 0; > n->nobcast = 0; > /* multiqueue is disabled by default */ > n->curr_queues = 1; > timer_del(n->announce_timer); > n->announce_counter = 0; > n->status &= ~VIRTIO_NET_S_ANNOUNCE;...

...e you this impression? Take a look at e.g. this > code in qemu: > > static void virtio_net_reset(VirtIODevice *vdev) > { > VirtIONet *n = VIRTIO_NET(vdev); > > /* Reset back to compatibility mode */ > n->promisc = 1; > n->allmulti = 0; > n->alluni = 0; > n->nomulti = 0; > n->nouni = 0; > n->nobcast = 0; > /* multiqueue is disabled by default */ > n->curr_queues = 1; > timer_del(n->announce_timer); > n->announce_counter = 0; > n->status &= ~VIRTIO_NET_S_ANNOUNCE;...

...>> > static void virtio_net_reset(VirtIODevice *vdev) >> > { >> > VirtIONet *n = VIRTIO_NET(vdev); >> > >> > /* Reset back to compatibility mode */ >> > n->promisc = 1; >> > n->allmulti = 0; >> > n->alluni = 0; >> > n->nomulti = 0; >> > n->nouni = 0; >> > n->nobcast = 0; >> > /* multiqueue is disabled by default */ >> > n->curr_queues = 1; >> > timer_del(n->announce_timer); >> > n->announce_co...

...>> > static void virtio_net_reset(VirtIODevice *vdev) >> > { >> > VirtIONet *n = VIRTIO_NET(vdev); >> > >> > /* Reset back to compatibility mode */ >> > n->promisc = 1; >> > n->allmulti = 0; >> > n->alluni = 0; >> > n->nomulti = 0; >> > n->nouni = 0; >> > n->nobcast = 0; >> > /* multiqueue is disabled by default */ >> > n->curr_queues = 1; >> > timer_del(n->announce_timer); >> > n->announce_co...

...> { > > > > > VirtIONet *n = VIRTIO_NET(vdev); > > > > > > > > > > /* Reset back to compatibility mode */ > > > > > n->promisc = 1; > > > > > n->allmulti = 0; > > > > > n->alluni = 0; > > > > > n->nomulti = 0; > > > > > n->nouni = 0; > > > > > n->nobcast = 0; > > > > > /* multiqueue is disabled by default */ > > > > > n->curr_queues = 1; > > > > >...

>> +static int virtnet_reset(struct virtnet_info *vi) >> +{ >> + struct virtio_device *dev = vi->vdev; >> + int ret; >> + >> + virtio_config_disable(dev); >> + dev->failed = dev->config->get_status(dev) & VIRTIO_CONFIG_S_FAILED; >> + virtnet_freeze_down(dev, true); >> + remove_vq_common(vi); >> +

>> +static int virtnet_reset(struct virtnet_info *vi) >> +{ >> + struct virtio_device *dev = vi->vdev; >> + int ret; >> + >> + virtio_config_disable(dev); >> + dev->failed = dev->config->get_status(dev) & VIRTIO_CONFIG_S_FAILED; >> + virtnet_freeze_down(dev, true); >> + remove_vq_common(vi); >> +

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

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 assumptions, trivial rename V5: fix

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 assumptions, trivial rename V5: fix

...persist across > the reset. What gave you this impression? Take a look at e.g. this code in qemu: static void virtio_net_reset(VirtIODevice *vdev) { VirtIONet *n = VIRTIO_NET(vdev); /* Reset back to compatibility mode */ n->promisc = 1; n->allmulti = 0; n->alluni = 0; n->nomulti = 0; n->nouni = 0; n->nobcast = 0; /* multiqueue is disabled by default */ n->curr_queues = 1; timer_del(n->announce_timer); n->announce_counter = 0; n->status &= ~VIRTIO_NET_S_ANNOUNCE; /* Flush any MAC and VLAN filt...

...virtio_net_reset(VirtIODevice *vdev) >>>> { >>>> VirtIONet *n = VIRTIO_NET(vdev); >>>> >>>> /* Reset back to compatibility mode */ >>>> n->promisc = 1; >>>> n->allmulti = 0; >>>> n->alluni = 0; >>>> n->nomulti = 0; >>>> n->nouni = 0; >>>> n->nobcast = 0; >>>> /* multiqueue is disabled by default */ >>>> n->curr_queues = 1; >>>> timer_del(n->announce_timer); >>&gt...

...t; > code in qemu: > > > > static void virtio_net_reset(VirtIODevice *vdev) > > { > > VirtIONet *n = VIRTIO_NET(vdev); > > > > /* Reset back to compatibility mode */ > > n->promisc = 1; > > n->allmulti = 0; > > n->alluni = 0; > > n->nomulti = 0; > > n->nouni = 0; > > n->nobcast = 0; > > /* multiqueue is disabled by default */ > > n->curr_queues = 1; > > timer_del(n->announce_timer); > > n->announce_counter = 0; > > n-&...

...t; > > VirtIONet *n = VIRTIO_NET(vdev); >> > > > > >> > > > > /* Reset back to compatibility mode */ >> > > > > n->promisc = 1; >> > > > > n->allmulti = 0; >> > > > > n->alluni = 0; >> > > > > n->nomulti = 0; >> > > > > n->nouni = 0; >> > > > > n->nobcast = 0; >> > > > > /* multiqueue is disabled by default */ >> > > > > n->curr_queues = 1; >&g...

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

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