similar to: Unable to have TSO GSO feature in VM

In my Linux VM, I am unable to change scatter-gather / tx-checksumming / TCP-segmentation offload features by ethtool command. I am using virtio nic with vhostuser port backend. It shows me an error: Cannot change tx-checksumming Cannot change scatter-gather Cannot change tcp-segmentation offload Could not change any device features Ony running command ethtool -k ens3, I get the following:

Hi Keir: [LINUX] netfront: Cleanup and fix TSO/GSO/CHECKSUM conditionals This patch tries to minimise the amount of code that is conditionally compiled. This is desirable (and the Linux way) as it helps to prevent people breaking code unwittingly since conditionals may hide compile problems. It also adds a missing conditional around the TSO ethtool operations. This also helps the building of

On 5/3/19 10:19 AM, Harsh Gondaliya wrote: > In my Linux VM, I am unable to change scatter-gather / tx-checksumming / > TCP-segmentation offload features by ethtool command. I am using virtio nic > with vhostuser port backend. > It shows me an error: > Cannot change tx-checksumming > Cannot change scatter-gather > Cannot change tcp-segmentation offload > Could not change

Hi, What's the correct way to disble TSO (TCP Segmentation Offload) in RHEL5? I have tried adding those options in ifcfg-ethX configuration file: # grep ETHTOOL /etc/sysconfig/network-scripts/ifcfg-eth0 ETHTOOL_OPTS="tso off" And also with: ETHTOOL_OPTS="-K eth0 tso off" But when restating the server TSO is enabled: # ethtool -k eth0 tcp segmentation offload: on As

On 12/17/2014 05:45 PM, Michael S. Tsirkin wrote: > On Wed, Dec 17, 2014 at 01:20:46PM -0500, Vladislav Yasevich wrote: >> Split IPv6 support for UFO into its own feature similiar to TSO. >> This will later allow us to re-enable UFO support for virtio-net >> devices. >> >> Signed-off-by: Vladislav Yasevich <vyasevic at redhat.com> >> --- >>

On 12/17/2014 05:45 PM, Michael S. Tsirkin wrote: > On Wed, Dec 17, 2014 at 01:20:46PM -0500, Vladislav Yasevich wrote: >> Split IPv6 support for UFO into its own feature similiar to TSO. >> This will later allow us to re-enable UFO support for virtio-net >> devices. >> >> Signed-off-by: Vladislav Yasevich <vyasevic at redhat.com> >> --- >>

On Wed, Dec 17, 2014 at 01:20:46PM -0500, Vladislav Yasevich wrote: > Split IPv6 support for UFO into its own feature similiar to TSO. > This will later allow us to re-enable UFO support for virtio-net > devices. > > Signed-off-by: Vladislav Yasevich <vyasevic at redhat.com> > --- > include/linux/netdev_features.h | 7 +++++-- > include/linux/netdevice.h | 1

On Wed, Dec 17, 2014 at 01:20:46PM -0500, Vladislav Yasevich wrote: > Split IPv6 support for UFO into its own feature similiar to TSO. > This will later allow us to re-enable UFO support for virtio-net > devices. > > Signed-off-by: Vladislav Yasevich <vyasevic at redhat.com> > --- > include/linux/netdev_features.h | 7 +++++-- > include/linux/netdevice.h | 1

On 12/18/2014 02:54 AM, Michael S. Tsirkin wrote: > Cc Dave, pls remember to do this next time otherwise > your patches won't get merged :) > > On Wed, Dec 17, 2014 at 06:31:50PM -0500, Vlad Yasevich wrote: >> On 12/17/2014 05:45 PM, Michael S. Tsirkin wrote: >>> On Wed, Dec 17, 2014 at 01:20:46PM -0500, Vladislav Yasevich wrote: >>>> Split IPv6 support

On 12/18/2014 02:54 AM, Michael S. Tsirkin wrote: > Cc Dave, pls remember to do this next time otherwise > your patches won't get merged :) > > On Wed, Dec 17, 2014 at 06:31:50PM -0500, Vlad Yasevich wrote: >> On 12/17/2014 05:45 PM, Michael S. Tsirkin wrote: >>> On Wed, Dec 17, 2014 at 01:20:46PM -0500, Vladislav Yasevich wrote: >>>> Split IPv6 support

On 30 January 2017 at 22:17, Adi Pircalabu <adi at ddns.com.au> wrote: > May I chip in here? In our environment we're randomly seeing: > > Jan 17 23:40:14 xen01 kernel: ixgbe 0000:04:00.1 eth6: Detected Tx Unit > Hang > Someone in this thread: https://sourceforge.net/p/e1000/bugs/530/#2855 reported that *"With these kernels I was only able to work around the issue

Seems like an oversight that we have set-tx-csum and set-sg hooked up, but not set-tso. Also leads to the strange situation that if you e.g. disable tx-csum, then tso doesn't get disabled. Signed-off-by: Mark McLoughlin <markmc at redhat.com> --- drivers/net/virtio_net.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/net/virtio_net.c

Seems like an oversight that we have set-tx-csum and set-sg hooked up, but not set-tso. Also leads to the strange situation that if you e.g. disable tx-csum, then tso doesn't get disabled. Signed-off-by: Mark McLoughlin <markmc at redhat.com> --- drivers/net/virtio_net.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/net/virtio_net.c

Cc Dave, pls remember to do this next time otherwise your patches won't get merged :) On Wed, Dec 17, 2014 at 06:31:50PM -0500, Vlad Yasevich wrote: > On 12/17/2014 05:45 PM, Michael S. Tsirkin wrote: > > On Wed, Dec 17, 2014 at 01:20:46PM -0500, Vladislav Yasevich wrote: > >> Split IPv6 support for UFO into its own feature similiar to TSO. > >> This will later

Cc Dave, pls remember to do this next time otherwise your patches won't get merged :) On Wed, Dec 17, 2014 at 06:31:50PM -0500, Vlad Yasevich wrote: > On 12/17/2014 05:45 PM, Michael S. Tsirkin wrote: > > On Wed, Dec 17, 2014 at 01:20:46PM -0500, Vladislav Yasevich wrote: > >> Split IPv6 support for UFO into its own feature similiar to TSO. > >> This will later

On Thu, Dec 18, 2014 at 10:01:35AM -0500, Vlad Yasevich wrote: > On 12/18/2014 02:54 AM, Michael S. Tsirkin wrote: > > Cc Dave, pls remember to do this next time otherwise > > your patches won't get merged :) > > > > On Wed, Dec 17, 2014 at 06:31:50PM -0500, Vlad Yasevich wrote: > >> On 12/17/2014 05:45 PM, Michael S. Tsirkin wrote: > >>> On

On Thu, Dec 18, 2014 at 10:01:35AM -0500, Vlad Yasevich wrote: > On 12/18/2014 02:54 AM, Michael S. Tsirkin wrote: > > Cc Dave, pls remember to do this next time otherwise > > your patches won't get merged :) > > > > On Wed, Dec 17, 2014 at 06:31:50PM -0500, Vlad Yasevich wrote: > >> On 12/17/2014 05:45 PM, Michael S. Tsirkin wrote: > >>> On

It might help to disable TSO and GSO inside the Linux PV guest with ethtool. ethtool -K eth0 tso off gso off

Hi: Here are the patches I used for testing KVM with virtio-net using TSO. There are three patches for the tun device which are basically Rusty's patches with the mmap turned into copying (for correctness). Two patches are for the virtio-net frontend, one required to support receiving SG/TSO, and the other useful for testing SG per se. The other patch is to the KVM backend to make all this

Hi: Here are the patches I used for testing KVM with virtio-net using TSO. There are three patches for the tun device which are basically Rusty's patches with the mmap turned into copying (for correctness). Two patches are for the virtio-net frontend, one required to support receiving SG/TSO, and the other useful for testing SG per se. The other patch is to the KVM backend to make all this