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Filename Latest commit message Latest commit date
Emmanuel Grumbach dcfbd67b4b iwlwifi: add a W/A for a scheduler hardware bug
In case we need to move the scheduler write pointer by
steps of 0x40, 0x80 or 0xc0, the scheduler gets stuck.
This leads to hardware error interrupts with status:
0x5A5A5A5A or alike.

In order to work around this, detect in the transport
layer that we are going to hit this case and tell iwlmvm
to increment the sequence number of the packets. This
allows to keep the requirement that the WiFi sequence
number is in sync with the index in the scheduler Tx queue
and it also allows to avoid the problematic sequence.
This means that from time to time, we will start a queue
from ssn + 1, but that shouldn't be a problem since we
don't switch to new queues for AMPDU now that we have
DQA which allows to keep the same queue while toggling
the AMPDU state.

This bug has been fixed on 9000 devices and up.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2017-06-23 12:07:04 +03:00
arch bpf, arm64: take advantage of stack_depth tracking 2017-06-11 18:18:32 -04:00
block
certs
crypto
Documentation wlcore: add wl1285 compatible 2017-06-13 10:05:40 +03:00
drivers iwlwifi: add a W/A for a scheduler hardware bug 2017-06-23 12:07:04 +03:00
firmware
fs rxrpc: Provide a cmsg to specify the amount of Tx data for a call 2017-06-07 17:15:46 +01:00
include Merge ath-next from git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git 2017-06-22 16:29:52 +03:00
init
ipc
kernel bpf: reset id on spilled regs in clear_all_pkt_pointers 2017-06-10 19:05:45 -04:00
lib
mm
net udp: try to avoid 2 cache miss on dequeue 2017-06-12 10:01:29 -04:00
samples
scripts
security
sound
tools bpf: add bpf_set_hash helper for tc progs 2017-06-10 19:05:47 -04:00
usr
virt
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS wireless-drivers-next patches for 4.13 2017-06-12 10:14:29 -04:00
Makefile
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.