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Flavio Leitner 84c39beb2f vhost: fix IPv4 checksum 
Currently the IPv4 header checksum is calculated including its
current value, which can be a valid checksum or just garbage.
In any case, if the original value is not zero, then the result
is always wrong.

The IPv4 checksum is defined in RFC791, page 14 says:
  Header Checksum:  16 bits

  The checksum algorithm is:
  The checksum field is the 16 bit one's complement of the one's
  complement sum of all 16 bit words in the header.  For purposes of
  computing the checksum, the value of the checksum field is zero.

Thus force the csum field to always be zero.

Fixes: b08b8cfeb2 ("vhost: fix IP checksum")
Cc: stable@dpdk.org

Signed-off-by: Flavio Leitner <fbl@sysclose.org>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
2019-10-25 19:23:22 +02:00
.ci ci: exit setup on any error 2019-09-13 13:19:00 +02:00
app net: add new header file for VXLAN 2019-10-25 19:00:22 +02:00
buildtools buildtools: make experimental symbol check lighter 2019-10-09 10:22:45 +02:00
config net/iavf: enable AVX2 for iavf 2019-10-23 16:43:10 +02:00
devtools devtools: fix cleanup of checkpatch temporary file 2019-10-21 16:19:00 +02:00
doc examples: delete vhost SCSI example 2019-10-25 19:23:22 +02:00
drivers net/virtio: reject unsupported Tx multi-queue modes 2019-10-25 19:23:22 +02:00
examples examples: delete vhost SCSI example 2019-10-25 19:23:22 +02:00
kernel kni: support allmulticast mode set 2019-10-15 21:16:32 +02:00
lib vhost: fix IPv4 checksum 2019-10-25 19:23:22 +02:00
license fix dpdk.org URLs 2018-11-26 20:19:24 +01:00
mk net/pfe: introduce basic functions 2019-10-23 16:43:08 +02:00
usertools usertools: fix input handling in telemetry script 2019-08-08 17:42:24 +02:00
.gitattributes improve git diff 2016-11-13 15:25:12 +01:00
.gitignore doc: fix missing asymmetric crypto table 2019-04-18 16:01:28 +02:00
.travis.yml ci: add missing dependencies for documentation 2019-09-13 13:04:13 +02:00
GNUmakefile test: move to app directory 2019-02-26 15:29:27 +01:00
MAINTAINERS examples: delete vhost SCSI example 2019-10-25 19:23:22 +02:00
Makefile license: use SPDX tag in root makefile 2018-01-04 22:41:38 +01:00
meson_options.txt build: support disabling drivers with meson 2019-10-24 01:02:29 +02:00
meson.build build: print list of disabled components 2019-07-02 23:20:26 +02:00
README license: introduce SPDX identifiers 2018-01-04 22:41:38 +01:00
VERSION version: 19.11-rc0 2019-08-13 14:59:02 +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