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PMSR (a.k.a. peer measurement) is generalized measurement between two devices with Wi-Fi support. And currently FTM (a.k.a. fine time measurement or flight time measurement) is the one and only measurement. Add the necessary functionality to allow mac80211_hwsim to report PMSR result. The result would come from the wmediumd, where other Wi-Fi devices' information are kept. mac80211_hwsim only need to deliver the result to the userspace. In detail, add new mac80211_hwsim attributes HWSIM_CMD_REPORT_PMSR, and HWSIM_ATTR_PMSR_RESULT. When mac80211_hwsim receives the PMSR result with command HWSIM_CMD_REPORT_PMSR and detail with attribute HWSIM_ATTR_PMSR_RESULT, received data is parsed to cfg80211_pmsr_result and resent to the userspace by cfg80211_pmsr_report(). To help receive the details of PMSR result, hwsim_rate_info_attributes is added to receive rate_info without complex bitrate calculation. (i.e. send rate_info without adding inverse of nl80211_put_sta_rate()). Signed-off-by: Jaewan Kim <jaewan@google.com> Link: https://lore.kernel.org/r/20230322131637.2633968-6-jaewan@google.com [fix uninitialized return value when there are no reports] Signed-off-by: Johannes Berg <johannes.berg@intel.com> |
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| intc-scripts/chromeOS/adjustments | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| 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.