Hi Stefano, thanks for review! So when this patchset will be merged to net-next, I'll start sending next part of MSG_ZEROCOPY patchset, e.g. AF_VSOCK + Documentation/ patches. Thanks, Arseniy On 16.09.2023 16:09, Arseniy Krasnov wrote: > Hello, > > this patchset is first of three parts of another big patchset for > MSG_ZEROCOPY flag support: > https://lore.kernel.org/netdev/20230701063947.3422088-1-AVKrasnov@xxxxxxxxxxxxxx/ > > During review of this series, Stefano Garzarella <sgarzare@xxxxxxxxxx> > suggested to split it for three parts to simplify review and merging: > > 1) virtio and vhost updates (for fragged skbs) <--- this patchset > 2) AF_VSOCK updates (allows to enable MSG_ZEROCOPY mode and read > tx completions) and update for Documentation/. > 3) Updates for tests and utils. > > This series enables handling of fragged skbs in virtio and vhost parts. > Newly logic won't be triggered, because SO_ZEROCOPY options is still > impossible to enable at this moment (next bunch of patches from big > set above will enable it). > > I've included changelog to some patches anyway, because there were some > comments during review of last big patchset from the link above. > > Head for this patchset is: > https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=f2fa1c812c91e99d0317d1fc7d845e1e05f39716 > > Link to v1: > https://lore.kernel.org/netdev/20230717210051.856388-1-AVKrasnov@xxxxxxxxxxxxxx/ > Link to v2: > https://lore.kernel.org/netdev/20230718180237.3248179-1-AVKrasnov@xxxxxxxxxxxxxx/ > Link to v3: > https://lore.kernel.org/netdev/20230720214245.457298-1-AVKrasnov@xxxxxxxxxxxxxx/ > Link to v4: > https://lore.kernel.org/netdev/20230727222627.1895355-1-AVKrasnov@xxxxxxxxxxxxxx/ > Link to v5: > https://lore.kernel.org/netdev/20230730085905.3420811-1-AVKrasnov@xxxxxxxxxxxxxx/ > Link to v6: > https://lore.kernel.org/netdev/20230814212720.3679058-1-AVKrasnov@xxxxxxxxxxxxxx/ > Link to v7: > https://lore.kernel.org/netdev/20230827085436.941183-1-avkrasnov@xxxxxxxxxxxxxxxxx/ > Link to v8: > https://lore.kernel.org/netdev/20230911202234.1932024-1-avkrasnov@xxxxxxxxxxxxxxxxx/ > > Changelog: > v3 -> v4: > * Patchset rebased and tested on new HEAD of net-next (see hash above). > v4 -> v5: > * See per-patch changelog after ---. > v5 -> v6: > * Patchset rebased and tested on new HEAD of net-next (see hash above). > * See per-patch changelog after ---. > v6 -> v7: > * Patchset rebased and tested on new HEAD of net-next (see hash above). > * See per-patch changelog after ---. > v7 -> v8: > * Patchset rebased and tested on new HEAD of net-next (see hash above). > * See per-patch changelog after ---. > v8 -> v9: > * Patchset rebased and tested on new HEAD of net-next (see hash above). > * See per-patch changelog after ---. > > Arseniy Krasnov (4): > vsock/virtio/vhost: read data from non-linear skb > vsock/virtio: support to send non-linear skb > vsock/virtio: non-linear skb handling for tap > vsock/virtio: MSG_ZEROCOPY flag support > > drivers/vhost/vsock.c | 14 +- > include/linux/virtio_vsock.h | 10 + > .../events/vsock_virtio_transport_common.h | 12 +- > net/vmw_vsock/virtio_transport.c | 92 +++++- > net/vmw_vsock/virtio_transport_common.c | 307 ++++++++++++++---- > 5 files changed, 348 insertions(+), 87 deletions(-) >
