From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 46893C761A6 for ; Wed, 22 Mar 2023 13:19:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230519AbjCVNT2 (ORCPT ); Wed, 22 Mar 2023 09:19:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52118 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230503AbjCVNTR (ORCPT ); Wed, 22 Mar 2023 09:19:17 -0400 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 58D9C5C12E for ; Wed, 22 Mar 2023 06:19:13 -0700 (PDT) Received: by mail-yb1-xb49.google.com with SMTP id 185-20020a250ac2000000b00b6d0cdc8e3bso8297116ybk.4 for ; Wed, 22 Mar 2023 06:19:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; t=1679491152; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=Yb81hp7ZlCpX7Yr6wz12GTlDZ40WK1rINM0mAGZ5OpM=; b=KBNKtldMVauP0c3qFAYy0easJJXbtNYVy4U/IesleLkFYfKKbALxTxCH7Inv4oVyLT qYLwRhvBHmwfG+4YVOXvTFnS/DbxB69WjXLSPA2NmYGFKEvAIDDTZMiZ2j37eBYEK15+ ltVmLrHobkqo8LIrLNlH/L65MWb2X/Dy/y1b3yPNotkUunTUt3TFOg6FvXQhTk11u/j7 ZyXr5rj/vDOccu30NhJZvxCXpjNDvMXNzN0znRYYT6l7SjuEkk6a7TKsb919eu38Q5sz vM1VWaIRLvTMldqJj8vlRptxFLqN1mT4bYK/JvBXxJc9NGbYQwNY0tQ8R/8DM2/qri6u DXww== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679491152; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=Yb81hp7ZlCpX7Yr6wz12GTlDZ40WK1rINM0mAGZ5OpM=; b=ULknIcLXXTLEgxx4z6QPJgCw7ctbqhsf0Q8zYPlIzlMQB+Lplu5ZTWVb+vx2cLvxgJ vSA/6sfXEQKmO3kKfopzJaUl3HeUJvSI2QjImZGDxjgteEhRGEx0s7riK72MaQqyRxxe IgAK/rkVk4FsgIg1NxS69Y6x2B6yWnf0ELv6CJeovXqSttJ7OaSs7eLb3KDPLurmf3rV f6f66vL+w+JwcV7E9y+DXKVEMAmqrpxrKeFWmbWHqihrSLuZ2lYlMeUb3K38uHPQuCde 2+ufQHV3SGnYQvunoO6/44Ykc4rGwfn/GrOfhCxL32/KqqcMN6WgPFGpjuIoNv0EKUTp wClA== X-Gm-Message-State: AAQBX9eMiMdBDSi7pm1xHX1dB1d2+YNNmPq/Wer31QUYb8glrYhA8Jlr 6T7f/lgHQ38qHX4GFcoRc+al0ODskVA= X-Google-Smtp-Source: AKy350aspfgHB1gDVWJthbqNoLqeIswB1rcjtYlr4D89NRndFfZREPvg7ka5TcVt7NpUkmh1ZsQMUOU9HBI= X-Received: from jaewan1.c.googlers.com ([fda3:e722:ac3:cc00:3:22c1:c0a8:e59]) (user=jaewan job=sendgmr) by 2002:a05:6902:1003:b0:b3c:637f:ad00 with SMTP id w3-20020a056902100300b00b3c637fad00mr4107795ybt.5.1679491152591; Wed, 22 Mar 2023 06:19:12 -0700 (PDT) Date: Wed, 22 Mar 2023 13:16:32 +0000 Mime-Version: 1.0 X-Mailer: git-send-email 2.40.0.rc1.284.g88254d51c5-goog Message-ID: <20230322131637.2633968-1-jaewan@google.com> Subject: [PATCH v10 0/5] mac80211_hwsim: Add PMSR support From: Jaewan Kim To: michal.kubiak@intel.com, gregkh@linuxfoundation.org, johannes@sipsolutions.net, linux-wireless@vger.kernel.org, netdev@vger.kernel.org Cc: kernel-team@android.com, adelva@google.com, Jaewan Kim Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Dear Kernel maintainers, First of all, thank you for spending your precious time for reviewing my changes. Let me propose series of patches for adding PMSR support in the mac80211_hwsim. PMSR (peer measurement) is generalized measurement between STAs, and currently FTM (fine time measurement or flight time measurement) is the one and only measurement. FTM measures the RTT (round trip time) and FTM can be used to measure distances between two STAs. RTT is often referred as 'measuring distance' as well. Kernel had already defined protocols for PMSR in the include/uapi/linux/nl80211.h and relevant parsing/sending code are in the net/wireless/pmsr.c, but they are only used in intel's iwlwifi driver. Patchset is tested with iw tool on Virtual Android device (a.k.a. Cuttlefish). Hope this explains my changes. Many Thanks, -- V9 -> V10: Applied reverse xmas tree style (a.k.a. RCS). V8 -> V9: Removed any wrong words for patch. Changed to reject unknown PMSR types. V7 -> V8: Separated patch for exporting nl80211_send_chandef V6 -> V7: Split 'mac80211_hwsim: handle FTM requests with virtio' with three pieces V5 -> V6: Added per patch change history. V4 -> V5: Fixed style V3 -> V4: Added detailed explanation to cover letter and per patch commit messages, includes explanation of PMSR and FTM. Also fixed memory leak. V1 -> V3: Initial commits (include resends) Jaewan Kim (5): mac80211_hwsim: add PMSR capability support wifi: nl80211: make nl80211_send_chandef non-static mac80211_hwsim: add PMSR request support via virtio mac80211_hwsim: add PMSR abort support via virtio mac80211_hwsim: add PMSR report support via virtio drivers/net/wireless/mac80211_hwsim.c | 785 +++++++++++++++++++++++++- drivers/net/wireless/mac80211_hwsim.h | 58 ++ include/net/cfg80211.h | 9 + net/wireless/nl80211.c | 4 +- 4 files changed, 845 insertions(+), 11 deletions(-) -- 2.40.0.rc1.284.g88254d51c5-goog