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Sarika Sharma 3cf181b44c wifi: ath12k: Add memset and update default rate value in wmi tx completion 
[ Upstream commit 9903c0986f ]

When both AP/STA and monitor interfaces are enabled, ieee80211_tx_status()
is invoked from two paths: the TX completion handler for data frames
and the WMI TX completion handler for management frames.
In the data path, the skb->cb is properly zeroed using memset, but in
the WMI path, this step is missing.

As a result, mac80211 encountered uninitialized (junk) values in
skb->cb when generating the radiotap header for monitor mode, leading
to invalid radiotap lengths.

Hence, explicitly zero the status field in the skb->cb using memset
in WMI TX completion path to ensure consistent and correct behavior
during WMI tx completion path.

Additionally, set info->status.rates[0].idx = -1 to indicate that
no valid rate information is available, avoiding misinterpretation of
garbage values.

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1

Signed-off-by: Sarika Sharma <quic_sarishar@quicinc.com>
Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Link: https://patch.msgid.link/20250603063512.1887652-1-quic_sarishar@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-08-20 18:30:35 +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 reStructuredText 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.