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Filename Latest commit message Latest commit date
Emmanuel Grumbach f88e0fbeff mac80211: clear the beacon's CRC after channel switch
[ Upstream commit d6843d1ee283137723b4a8c76244607ce6db1951 ]

After channel switch, we should consider any beacon with a
CSA IE as a new switch. If the CSA IE is a leftover from
before the switch that the AP forgot to remove, we'll get
a CSA-to-Self.

This caused issues in iwlwifi where the firmware saw a beacon
with a CSA-to-Self with mode = 1 on the new channel after a
switch. The firmware considered this a new switch and closed
its queues. Since the beacon didn't change between before and
after the switch, we wouldn't handle it (the CRC is the same)
and we wouldn't let the firmware open its queues again or
disconnect if the CSA IE stays for too long.

Clear the CRC valid state after we switch to make sure that
we handle the beacon and handle the CSA IE as required.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Link: https://lore.kernel.org/r/20210408143124.b9e68aa98304.I465afb55ca2c7d59f7bf610c6046a1fd732b4c28@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-05-19 10:08:22 +02:00
arch KVM: x86/mmu: Remove the defunct update_pte() paging hook 2021-05-19 10:08:20 +02:00
block block: only update parent bi_status when bio fail 2021-04-16 11:46:38 +02:00
certs certs: Fix blacklist flag type confusion 2021-03-04 10:26:29 +01:00
crypto crypto: rng - fix crypto_rng_reset() refcounting when !CRYPTO_STATS 2021-05-11 14:04:15 +02:00
Documentation dt-bindings: net: ethernet-controller: fix typo in NVMEM 2021-04-14 08:24:18 +02:00
drivers i2c: bail out early when RDWR parameters are wrong 2021-05-19 10:08:21 +02:00
fs fs: dlm: fix debugfs dump 2021-05-19 10:08:20 +02:00
include i2c: Add I2C_AQ_NO_REP_START adapter quirk 2021-05-19 10:08:22 +02:00
init init/Kconfig: make COMPILE_TEST depend on HAS_IOMEM 2021-04-10 13:34:32 +02:00
ipc
kernel smp: Fix smp_call_function_single_async prototype 2021-05-14 09:44:33 +02:00
lib bug: Remove redundant condition check in report_bug 2021-05-14 09:44:27 +02:00
LICENSES
mm mm/memory-failure: unnecessary amount of unmapping 2021-05-14 09:44:32 +02:00
net mac80211: clear the beacon's CRC after channel switch 2021-05-19 10:08:22 +02:00
samples kfifo: fix ternary sign extension bugs 2021-05-14 09:44:32 +02:00
scripts ftrace: Have recordmcount use w8 to read relp->r_info in arm64_is_fake_mcount 2021-03-09 11:09:39 +01:00
security security: commoncap: fix -Wstringop-overread warning 2021-05-11 14:04:16 +02:00
sound ASoC: Intel: bytcr_rt5640: Add quirk for the Chuwi Hi8 tablet 2021-05-19 10:08:21 +02:00
tools selftests: net: mirror_gre_vlan_bridge_1q: Make an FDB entry static 2021-05-14 09:44:32 +02:00
usr
virt KVM: Stop looking for coalesced MMIO zones if the bus is destroyed 2021-05-14 09:44:15 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile Linux 5.4.119 2021-05-14 09:44:33 +02:00
README

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

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

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.