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Filename Latest commit message Latest commit date
David Howells 5fc62f6a13 rxrpc: Fix ACK generation from the connection event processor
Repeat terminal ACKs and now terminal ACKs are now generated from the
connection event processor rather from call handling as this allows us to
discard client call structures as soon as possible and free up the channel
for a follow on call.

However, in ACKs so generated, the additional information trailer is
malformed because the padding that's meant to be in the middle isn't
included in what's transmitted.

Fix it so that the 3 bytes of padding are included in the transmission.

Further, the trailer is misaligned because of the padding, so assigment to
the u16 and u32 fields inside it might cause problems on some arches, so
fix this by breaking the padding and the trailer out of the packed struct.

(This also deals with potential compiler weirdies where some of the nested
structs are packed and some aren't).

The symptoms can be seen in wireshark as terminal DUPLICATE or IDLE ACK
packets in which the Max MTU, Interface MTU and rwind fields have weird
values and the Max Packets field is apparently missing.

Reported-by: Jeffrey Altman <jaltman@auristor.com>
Signed-off-by: David Howells <dhowells@redhat.com>
2017-11-29 14:40:41 +00:00
arch This pull request contains the following core changes: 2017-11-22 20:46:06 -10:00
block
certs
crypto Keys devel 2017-11-24 11:54:11 +11:00
Documentation fixes/cleanups for rc1, non-desktop flags for VR 2017-11-23 21:04:56 -10:00
drivers atm: suni: remove extraneous space to fix indentation 2017-11-28 16:03:09 -05:00
firmware
fs Changes since last update: 2017-11-22 20:42:42 -10:00
include sctp: remove extern from stream sched 2017-11-28 11:00:13 -05:00
init EXPERT Kconfig menu: fix broken EXPERT menu 2017-11-17 16:10:05 -08:00
ipc Merge branch 'akpm' (patches from Andrew) 2017-11-17 16:56:17 -08:00
kernel Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf 2017-11-24 02:33:01 +09:00
lib This pull request contains the following core changes: 2017-11-22 20:46:06 -10:00
mm
net rxrpc: Fix ACK generation from the connection event processor 2017-11-29 14:40:41 +00:00
samples
scripts A few late-arriving docs updates that have no real reason to wait. There's 2017-11-23 21:01:32 -10:00
security Merge branch 'next-keys' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2017-11-23 20:51:27 -10:00
sound sound fixes for 4.15-rc1 2017-11-23 21:09:41 -10:00
tools Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf 2017-11-24 02:33:01 +09:00
usr
virt
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore Kbuild misc updates for v4.15 2017-11-17 17:51:33 -08:00
.mailmap
COPYING
CREDITS
Kbuild Kbuild updates for v4.15 2017-11-17 17:45:29 -08:00
Kconfig
MAINTAINERS RTC for 4.15 2017-11-22 20:58:23 -10:00
Makefile Kbuild updates for v4.15 2017-11-17 17:45:29 -08:00
README

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.