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Johannes Berg 599dcdfff3 wifi: mac80211: don't complete management TX on SAE commit 
[ Upstream commit 6b04716cdc ]

When SAE commit is sent and received in response, there's no
ordering for the SAE confirm messages. As such, don't call
drivers to stop listening on the channel when the confirm
message is still expected.

This fixes an issue if the local confirm is transmitted later
than the AP's confirm, for iwlwifi (and possibly mt76) the
AP's confirm would then get lost since the device isn't on
the channel at the time the AP transmit the confirm.

For iwlwifi at least, this also improves the overall timing
of the authentication handshake (by about 15ms according to
the report), likely since the session protection won't be
aborted and rescheduled.

Note that even before this, mgd_complete_tx() wasn't always
called for each call to mgd_prepare_tx() (e.g. in the case
of WEP key shared authentication), and the current drivers
that have the complete callback don't seem to mind. Document
this as well though.

Reported-by: Jan Hendrik Farr <kernel@jfarr.cc>
Closes: https://lore.kernel.org/all/aB30Ea2kRG24LINR@archlinux/
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250609213232.12691580e140.I3f1d3127acabcd58348a110ab11044213cf147d3@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-08-28 16:24:21 +02:00
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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.