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path: root/hw/vhost_net.c
AgeCommit message (Collapse)Author
2011-08-20Use glib memory allocation and free functionsAnthony Liguori
qemu_malloc/qemu_free no longer exist after this commit. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-06-14print meaningful error message in case of --disable-vhost-netMichael Tokarev
When qemu gets compiled without support of vhost-net, any attempt to use it fails with a very clear error message: qemu-system-x86_64: -netdev ...,vhost=on: vhost-net requested but could not be initialized there's absolutely no reason given _why_ it coult not be initialized, and even strace'ing the process in question does not reveal any errors. So print a message telling what's going on. Signed-off-by: Michael Tokarev <mjt@tls.msk.ru> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2011-06-12virtio: event index supportMichael S. Tsirkin
Add support for event_idx feature, and utilize it to reduce the number of interrupts and exits for the guest. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2011-02-01vhost: force vhost off for non-MSI guestsmst@redhat.com
When MSI is off, each interrupt needs to be bounced through the io thread when it's set/cleared, so vhost-net causes more context switches and higher CPU utilization than userspace virtio which handles networking in the same thread. We'll need to fix this by adding level irq support in kvm irqfd, for now disable vhost-net in these configurations. Added a vhostforce flag to force vhost-net back on. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-09-14vhost: fix infinite loop on error pathMichael S. Tsirkin
file.index is unsigned, hence 'while (--file.index >= 0)' will loop > forever. Change to while (file.index-- > 0). Reported-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-09-07vhost_net: mergeable buffers supportMichael S. Tsirkin
use the new tap APIs to set header length Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-07-30Remove unused eventfd.hMike McCormack
This header is not present on my system and causes a build failure, but is also not used in these files, so remove it. Signed-off-by: Mike McCormack <mikem@ring3k.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-05-27vhost_net.c: v2 Fix build failure introduced by ↵Jes Sorensen
0bfcd599e3f5c5679cc7d0165a0a1822e2f60de2 Fix build failure introduced by 0bfcd599e3f5c5679cc7d0165a0a1822e2f60de2 The format statement expects unsigned long on x86_64, but receives unsigned long long, so gcc exits with an error. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-05-22Fix %lld or %llx printf format useBlue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-04-13vhost-net: disable mergeable buffersMichael S. Tsirkin
vhost in current kernels doesn't support mergeable buffers. Disable this feature if vhost is enabled, until such support is implemented. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-04-01vhost: vhost net supportMichael S. Tsirkin
This adds vhost net device support in qemu. Will be tied to tap device and virtio by following patches. Raw backend is currently missing, will be worked on/submitted separately. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>