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Alexander Kozyrev acc8747953 net/mlx5: fix threshold for mbuf replenishment in MPRQ 
The replenishment scheme for the vectorized MPRQ Rx burst aims
to improve the cache locality by allocating new mbufs only when
there are almost no mbufs left: one burst gap between allocated
and consumed indexes.

This gap is not big enough to accommodate a corner case when we
have a very aggressive CQE compression with multiple regular CQEs
at the beginning and 64 zipped CQEs at the end.

Need to keep in mind this case and extend the replenishment
threshold by MLX5_VPMD_RX_MAX_BURST (64) to avoid mbuf overflow.

Fixes: 5fc2e5c27d ("net/mlx5: fix mbuf overflow in vectorized MPRQ")
Cc: stable@dpdk.org

Signed-off-by: Alexander Kozyrev <akozyrev@nvidia.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
2021-07-15 16:22:27 +02:00
.ci build: update minimum required Meson version 2021-04-16 18:51:51 +02:00
.github/workflows eal: handle compressed firmware 2021-07-07 16:41:53 +02:00
app app/testpmd: support matching on VXLAN reserved field 2021-07-13 15:06:43 +02:00
buildtools build: support drivers symlink on Windows 2021-07-09 17:22:42 +02:00
config config/arm: fix SVE build with GCC 8.3 2021-07-09 22:25:24 +02:00
devtools build: use platform for generic and native builds 2021-07-09 14:50:54 +02:00
doc net/mlx5: support flow matchng on IPv4 IHL 2021-07-15 16:22:20 +02:00
drivers net/mlx5: fix threshold for mbuf replenishment in MPRQ 2021-07-15 16:22:27 +02:00
examples examples/l3fwd-power: add baseline PMD management mode 2021-07-10 08:43:13 +02:00
kernel kni: fix crash on userspace VA for segmented packets 2021-06-24 10:04:25 +02:00
lib ethdev: keep count of representor ranges in API 2021-07-10 11:29:11 +02:00
license lib: remove librte_ prefix from directory names 2021-04-21 14:04:09 +02:00
usertools raw/cnxk_bphy: add baseband PHY skeleton driver 2021-07-05 23:08:11 +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 eal: handle compressed firmware 2021-07-07 16:41:53 +02:00
ABI_VERSION version: 21.08-rc0 2021-05-21 20:07:04 +02:00
MAINTAINERS net/ngbe: add build and doc infrastructure 2021-07-12 17:55:19 +02:00
Makefile build: create dummy Makefile 2020-09-07 23:51:57 +02:00
meson_options.txt build: use platform for generic and native builds 2021-07-09 14:50:54 +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: 21.08-rc1 2021-07-10 12:01:52 +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