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Naga Harish K S V 81da8a5ff4 eventdev/eth_rx: fix WRR buffer overrun 
When a poll queue is removed from a rx_adapter instance, the WRR poll
array is recomputed. The wrr array length is reduced in this case. The
next wrr position to poll is stored in wrr_pos variable of rx_adapter
instance. This wrr_pos can become invalid in some cases after wrr is
recomputed. Using this variable to get the next queue and device pair
may leed to wrr buffer overruns.

Resetting the wrr_pos to zero after recomputation of wrr array fixes
the buffer overrun issue.

Fixes: 9c38b704d2 ("eventdev: add eth Rx adapter implementation")
Cc: stable@dpdk.org

Signed-off-by: Naga Harish K S V <s.v.naga.harish.k@intel.com>
Acked-by: Jay Jayatheerthan <jay.jayatheerthan@intel.com>
2021-10-21 10:16:00 +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/eventdev: support burst enqueue 2021-10-21 10:16:00 +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 net/bnxt: support tunnel offload 2021-09-21 06:26:00 +02:00
doc app/eventdev: support burst enqueue 2021-10-21 10:16:00 +02:00
drivers eventdev: hide timer adapter PMD file 2021-10-21 10:14:50 +02:00
examples examples/ip_reassembly: remove unused option 2021-10-18 19:20:21 +02:00
kernel kni: fix crash on userspace VA for segmented packets 2021-06-24 10:04:25 +02:00
lib eventdev/eth_rx: fix WRR buffer overrun 2021-10-21 10:16:00 +02:00
license lib: remove librte_ prefix from directory names 2021-04-21 14:04:09 +02:00
usertools usertools/telemetry: list file-prefixes 2021-10-19 17:15:10 +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 test: rely on EAL detection for core list 2021-10-21 17:48:04 +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