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Xueming Li d38a53b175 vdpa/mlx5: workaround FW first completion in start 
After a vDPA application restart, Qemu restores VQ with used and
available index, new incoming packet triggers virtio driver to
handle buffers. Under heavy traffic, no available buffer for
firmware to receive new packets, no Rx interrupts generated,
driver is stuck on endless interrupt waiting.

As a firmware workaround, this patch sends a notification after
VQ setup to ask driver handling buffers and filling new buffers.

Fixes: bff7350110 ("vdpa/mlx5: prepare virtio queues")
Cc: stable@dpdk.org

Signed-off-by: Xueming Li <xuemingl@nvidia.com>
Reviewed-by: Matan Azrad <matan@nvidia.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
2021-10-21 14:24:21 +02:00
.ci build: update minimum required Meson version 2021-04-16 18:51:51 +02:00
.github/workflows version: 21.11-rc0 2021-08-17 08:37:52 +02:00
app app/testpmd: support L2TPv2 and PPP protocol pattern 2021-10-21 14:15:59 +02:00
buildtools buildtools: enable header includes check on Windows 2021-10-11 21:17:21 +02:00
config eventdev: allocate max space for internal arrays 2021-10-21 10:14:50 +02:00
devtools devtools: fix letter case check in commit title 2021-10-22 22:40:59 +02:00
doc net/e1000: build on Windows 2021-10-21 04:58:40 +02:00
drivers vdpa/mlx5: workaround FW first completion in start 2021-10-21 14:24:21 +02:00
examples examples/eventdev_pipeline: use port config hints 2021-10-21 10:16:00 +02:00
kernel kni: fix crash on userspace VA for segmented packets 2021-06-24 10:04:25 +02:00
lib ethdev: support L2TPv2 and PPP procotol 2021-10-21 14:15:59 +02:00
license lib: remove librte_ prefix from directory names 2021-04-21 14:04:09 +02:00
usertools usertools/devbind: move ioat device IDs to DMA class 2021-10-22 22:40:59 +02:00
.editorconfig doc: add Meson coding style to contributors guide 2021-04-21 14:04:09 +02:00
.gitattributes improve git diff 2016-11-13 15:25:12 +01:00
.gitignore doc: add flow API features tables 2021-05-18 19:06:56 +02:00
.travis.yml version: 21.11-rc0 2021-08-17 08:37:52 +02:00
ABI_VERSION version: 21.11-rc0 2021-08-17 08:37:52 +02:00
MAINTAINERS maintainers: update for AMD axgbe 2021-10-21 14:53:30 +02:00
Makefile build: create dummy Makefile 2020-09-07 23:51:57 +02:00
meson_options.txt build: add optional NUMA and CPU counts detection 2021-09-16 09:43:28 +02:00
meson.build lib: remove librte_ prefix from directory names 2021-04-21 14:04:09 +02:00
README license: introduce SPDX identifiers 2018-01-04 22:41:38 +01:00
VERSION version: 21.11-rc0 2021-08-17 08:37:52 +02:00

README 

DPDK is a set of libraries and drivers for fast packet processing.
It supports many processor architectures and both FreeBSD and Linux.

The DPDK uses the Open Source BSD-3-Clause license for the core libraries
and drivers. The kernel components are GPL-2.0 licensed.

Please check the doc directory for release notes,
API documentation, and sample application information.

For questions and usage discussions, subscribe to: users@dpdk.org
Report bugs and issues to the development mailing list: dev@dpdk.org