Tested-by: Wang, Yinan <[email protected]>
> -----Original Message-----
> From: Hu, Jiayu <[email protected]>
> Sent: 2020?12?25? 16:29
> To: [email protected]
> Cc: [email protected]; Xia, Chenbo <[email protected]>;
> Jiang, Cheng1 <[email protected]>; Wang, Yinan
> <[email protected]>; Hu, Jiayu <[email protected]>
> Subject: [PATCH v3 0/2] Enhance Async Enqueue for Small Packets
>
> Async enqueue offloads large copies to DMA devices, and small copies
> are still performed by the CPU. However, it requires users to get
> enqueue completed packets by rte_vhost_poll_enqueue_completed(), even
> if they are completed by the CPU when rte_vhost_submit_enqueue_burst()
> returns. This design incurs extra overheads of tracking completed
> pktmbufs and function calls, thus degrading performance on small packets.
>
> The first patch cleans up async enqueue code, and the second patch
> enables rte_vhost_submit_enqueue_burst() to return completed packets.
>
> Change log
> ==========
> v3:
> - fix incorrect ret value when DMA ring is full
> - enhance description of API declaration and programmer guide
> v2:
> - fix typo
> - rename API variables
> - update programmer guide
>
> Jiayu Hu (2):
> vhost: cleanup async enqueue
> vhost: enhance async enqueue for small packets
>
> doc/guides/prog_guide/vhost_lib.rst | 8 +-
> lib/librte_vhost/rte_vhost_async.h | 32 +++--
> lib/librte_vhost/vhost.c | 14 +-
> lib/librte_vhost/vhost.h | 7 +-
> lib/librte_vhost/vhost_user.c | 7 +-
> lib/librte_vhost/virtio_net.c | 258
> ++++++++++++++++++++----------------
> 6 files changed, 185 insertions(+), 141 deletions(-)
>
> --
> 2.7.4
