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The values defined in enum WIFI_FRAME_SUBTYPE are the same the #define IEEE80211_STYPE_xxx from <linux/ieee80211.h>. Special care must be taken for control and data frame, because the coding of the frame type is not included in the IEEE80211_STYPE_xxx values and must be added explicitly. There is no problem for management frame because the type si coded as (0) (in rtl8188eu) and (0x0000) (in <linux/ieee80211.h>). Values used for control frame (WIFI_PSPOLL) must be OR'eded with IEEE80211_FTYPE_CTL. Values used for data frame (WIFI_DATA_NULL and WIFI_QOS_DATA_NULL) must be OR'ed with IEEE80211_FTYPE_DATA. Use theses values to avoid code duplication. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Link: https://lore.kernel.org/r/7c1007d5706a42e0ba1fe805089fab523f9db7ea.1619953884.git.christophe.jaillet@wanadoo.fr Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.