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Yi Yang b9b75d9b5c gso: fix payload unit size for UDP 
Fragment offset of IPv4 header is measured in units of
8 bytes. Fragment offset of UDP fragments will be wrong
after GSO if pyld_unit_size isn't multiple of 8. Say
pyld_unit_size is 1500, fragment offset of the second
UDP fragment will be 187 (i.e. 1500 / 8), which means 1496,
and it will result in 4-byte data loss (1500 - 1496 = 4).
So UDP GRO will reassemble out a wrong packet.

Fixes: b166d4f30b ("gso: support UDP/IPv4 fragmentation")
Cc: stable@dpdk.org

Signed-off-by: Yi Yang <yangyi01@inspur.com>
Acked-by: Jiayu Hu <jiayu.hu@intel.com>
2020-09-18 18:55:12 +02:00
.ci ci: reduce examples in static builds 2020-04-17 23:34:08 +02:00
app app/testpmd: fix name of bitrate library in meson build 2020-09-18 18:55:11 +02:00
buildtools buildtools: remove scripts used only with make 2020-09-08 00:11:11 +02:00
config avoid libfdt checks adding full paths to pkg-config 2020-09-15 15:19:34 +02:00
devtools config: remove default configs used with make 2020-09-08 00:11:30 +02:00
doc net/ice: remove devargs for flow mark 2020-09-18 18:55:11 +02:00
drivers net/ice: support new devices 2020-09-18 18:55:12 +02:00
examples mbuf: remove deprecated function and macro aliases 2020-09-19 00:25:37 +02:00
kernel mbuf: remove physical address alias 2020-09-19 00:25:37 +02:00
lib gso: fix payload unit size for UDP 2020-09-18 18:55:12 +02:00
license eal: move OS-specific sub-directories 2020-03-31 13:08:55 +02:00
usertools usertools: support globbing for PCI device binding 2020-09-08 23:39:32 +02:00
.editorconfig devtools: add EditorConfig file 2020-02-22 21:05:22 +01:00
.gitattributes improve git diff 2016-11-13 15:25:12 +01:00
.gitignore regex/mlx5: introduce driver for BlueField 2 2020-07-21 19:04:05 +02:00
.travis.yml version: 20.11-rc0 2020-08-12 11:32:16 +02:00
ABI_VERSION version: 20.11-rc0 2020-08-12 11:32:16 +02:00
MAINTAINERS maintainers: update for igb/igc/ixgbe 2020-09-18 18:55:10 +02:00
Makefile build: create dummy Makefile 2020-09-07 23:51:57 +02:00
meson_options.txt trace: introduce new subsystem 2020-04-23 15:39:06 +02:00
meson.build build: check AVX512 rather than binutils version 2020-07-05 21:32:40 +02:00
README license: introduce SPDX identifiers 2018-01-04 22:41:38 +01:00
VERSION version: 20.11-rc0 2020-08-12 11:32:16 +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