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2587d5198a
We use ieee80211_tx_status() to report each completed tx frame. Internally, this function calls sta_info_get_by_addrs(), what has a couple of drawbacks: 1. additional station lookup causes a performance degradation; 2. mac80211 can not properly account Ethernet encapsulated frames due to the inability to properly determine the destination (station) MAC address since ieee80211_tx_status() assumes the frame has a 802.11 header. The latter is especially destructive if we want to use hardware frames encapsulation. To fix both of these issues, replace ieee80211_tx_status() with ieee80211_tx_status_ext() call and feed it station pointer from the tx queue associated with the transmitted frame. Tested-on: QCA9888 hw2.0 PCI 10.4-3.9.0.2-00131 Tested-on: QCA6174 hw3.2 PCI WLAN.RM.4.4.1-00157-QCARMSWPZ-1 Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com> Tested-by: Oldřich Jedlička <oldium.pro@gmail.com> # TP-Link Archer C7 v4 & v5 (QCA9563 + QCA9880) Tested-by: Edward Matijevic <motolav@gmail.com> # TP-Link Archer C2600 (IPQ8064 + QCA9980 10.4.1.00030-1) Tested-by: Edward Matijevic <motolav@gmail.com> # QCA9377 PCI in Sta mode Tested-by: Zhijun You <hujy652@gmail.com> # NETGEAR R7800 (QCA9984 10.4-3.9.0.2-00159) Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com> Link: https://lore.kernel.org/r/20220516032519.29831-2-ryazanov.s.a@gmail.com |
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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.