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Chengwen Feng e15401f362 net/hns3: fix xstats get return if xstats is null 
Many user (e.g. telemetry) invokes rte_eth_xstats_get(port_id, NULL, 0)
to retrieve the required number of elements, but currently hns3 PMD
returns zero when xstats is null.

Dedicated check for xstats vs null is not required, since ethdev layer
guarantees that it may be null only if number of entries n is 0 (which
is definitely smaller than total xstats count).

Fixes: 8839c5e202 ("net/hns3: support device stats")
Cc: stable@dpdk.org

Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
Acked-by: Morten Brørup <mb@smartsharesystems.com>
Reviewed-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
2022-05-20 16:45:42 +02:00
.ci ci: build some job with ASan 2022-05-11 14:05:57 +02:00
.github/workflows ci: build some job with ASan 2022-05-11 14:05:57 +02:00
app app/testpmd: remove useless pointer checks 2022-05-20 12:29:19 +02:00
buildtools build: fix build on FreeBSD with Meson 0.61.1 2022-03-08 16:37:22 +01:00
config config/arm: disable SVE ACLE for CN10K 2022-06-02 00:36:35 +02:00
devtools cryptodev: add elliptic curve Diffie-Hellman 2022-06-02 12:04:05 +02:00
doc ethdev: add protocol based meter input color selection 2022-05-19 08:56:52 +02:00
drivers net/hns3: fix xstats get return if xstats is null 2022-05-20 16:45:42 +02:00
examples examples/l3fwd_power: add configuration options 2022-06-04 22:41:24 +02:00
kernel kni: fix freeing order in device release 2022-02-27 20:47:22 +01:00
lib ethdev: simplify xstats get implementation 2022-05-20 16:45:39 +02:00
license lib: remove librte_ prefix from directory names 2021-04-21 14:04:09 +02:00
usertools support systemd service convention for runtime directory 2022-02-09 19:12:40 +01:00
.editorconfig devtools: clarify that lines up to 100 characters are ok 2021-11-25 11:51:24 +01:00
.gitattributes improve git diff 2016-11-13 15:25:12 +01:00
.gitignore doc: add eventdev feature matrices 2021-11-26 16:29:25 +01:00
.travis.yml version: 22.07-rc0 2022-03-21 13:56:40 +01:00
ABI_VERSION version: 22.07-rc0 2022-03-21 13:56:40 +01:00
MAINTAINERS test/security: add cases for inline IPsec offload 2022-06-01 16:26:34 +02:00
Makefile build: create dummy Makefile 2020-09-07 23:51:57 +02:00
meson_options.txt config: add option for atomic mbuf reference counting 2021-10-25 17:53:30 +02:00
meson.build build: remove deprecated Meson functions 2022-02-02 18:46:53 +01:00
README license: introduce SPDX identifiers 2018-01-04 22:41:38 +01:00
VERSION version: 22.07-rc0 2022-03-21 13:56:40 +01:00

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