On Fri, Jul 06, 2018 at 09:07:07AM +0200, Maxime Coquelin wrote: > This series is a handover from Jen's "[PATCH v4 00/20] > implement packed virtqueues", which only implements the > vhost side. Virtio PMD implementation will follow in a > next series. > > The series applies on top of previous reworks I posted > during this cycle that merges mergeable and non-mergeable > receive paths, and refactors transmit path to re-use > vector buffers. > > I haven't run performance tests for now as the Virtio PMD > side isn't ready. > > The series has been tested with Tiwei's series implementing > packed ring support to Kernel's virtio-net driver, and > with Wei series implementing the Qemu side. > > To test it, I have used testpmd on host side with a vhost > vdev and a tap vdev forwarding to each other. Transferts > of big random files have been done in both ways with > integrity verified. > > Tests have been run with Rx mrg ON/OFF and events suppression > ON/OFF. > > Tests have also been run with legacy split ring layout to > ensure no regression have been introduced. > > Changes since v8: > ================= > - Fix indents (Tiwei) > - Rename struct vring_desc_packed to vring_packed_desc (Tiwei) > > Changes since v7: > ================= > - Align structs and defines naming with Kernel header (Tiwei) > - Fix event based notifications (Tiwei) > - Fix Clang build issues caused by unused symbols (Tiwei) > > Changes since v6: > ================= > - Various style cleanups (Tiwei, Jason) > - Simplify event based notification (Jason) > - Build support with future kernels (Tiwei) > - Prevent buffer vectors overflow in map_one_desc (Tiwei) > > Changes since v5: > ================= > - Remove duplicated VHOST_USER_F_PROTOCOL_FEATURES definition (Tiwei) > - Fix vq_is_ready (Maxime) > - Fix local used index overflow in flush_shadow_used_ring_packed (Tiwei) > - Make desc_is_avail() a bool (Tiwei) > - Improve desc_is_avail() logic (Tiwei) > - Remove split rings addr NULL assignment in the right patch (Tiwei) > - Make buffer id a uint16_t (Tiwei) > > Jens Freimann (2): > vhost: add virtio packed virtqueue defines > vhost: add helpers for packed virtqueues > > Maxime Coquelin (12): > vhost: clear shadow used table index at flush time > vhost: make indirect desc table copy desc type agnostic > vhost: clear batch copy index at copy time > vhost: extract split ring handling from Rx and Tx functions > vhost: append shadow used ring function names with split > vhost: add shadow used ring support for packed rings > vhost: create descriptor mapping function > vhost: add vector filling support for packed ring > vhost: add Rx support for packed ring > vhost: add Tx support for packed ring > vhost: add notification for packed ring > vhost: advertize packed ring layout support > > Yuanhan Liu (1): > vhost: vring address setup for packed queues > > lib/librte_vhost/vhost.c | 115 ++++++- > lib/librte_vhost/vhost.h | 130 ++++++- > lib/librte_vhost/vhost_user.c | 127 +++++-- > lib/librte_vhost/virtio_net.c | 776 > +++++++++++++++++++++++++++++++++--------- > 4 files changed, 939 insertions(+), 209 deletions(-) > > -- > 2.14.4 >
Applied to dpdk-next-virtio/master, thanks.
