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Suanming Mou 45633c460c net/mlx5: workaround drop action with old kernel 
Currently, there are two types of drop action implementation
in the PMD. One is the DR (Direct Rules) dummy placeholder drop
action and another is the dedicated dummy queue drop action.
When creates flow on the root table with DR drop action, the
action will be converted to MLX5_IB_ATTR_CREATE_FLOW_FLAGS_DROP
Verbs attribute in rdma-core.

In some inbox systems, MLX5_IB_ATTR_CREATE_FLOW_FLAGS_DROP Verbs
attribute may not be supported in the kernel driver. Create flow
with drop action on the root table will be failed as it is not
supported. In this case, the dummy queue drop action should be
used instead of DR dummy placeholder drop action.

This commit adds the DR drop action support detect on the root
table. If MLX5_IB_ATTR_CREATE_FLOW_FLAGS_DROP Verbs is not
supported in the system, a dummy queue will be used as drop
action.

Fixes: da845ae9d7 ("net/mlx5: fix drop action for Direct Rules/Verbs")
Cc: stable@dpdk.org

Signed-off-by: Suanming Mou <suanmingm@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
2021-08-03 15:08:02 +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 test: quieten warning noise while forking 2021-08-02 13:21:02 +02:00
buildtools build: support drivers symlink on Windows 2021-07-09 17:22:42 +02:00
config build: check for broken AVX512 compiler support 2021-07-22 20:04:24 +02:00
devtools build: use platform for generic and native builds 2021-07-09 14:50:54 +02:00
doc net/mlx5: fix VXLAN VNI matching on ConnectX-5 2021-08-03 14:43:28 +02:00
drivers net/mlx5: workaround drop action with old kernel 2021-08-03 15:08:02 +02:00
examples doc: use code snippets in sample app guides 2021-07-31 15:42:43 +02:00
kernel kni: fix crash on userspace VA for segmented packets 2021-06-24 10:04:25 +02:00
lib cryptodev: fix freeing after device release 2021-07-30 21:08:12 +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 maintainers: update for Marvell QLogic 2021-07-31 12:56:01 +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-rc3 2021-07-31 23:12:34 +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