From patchwork Tue Feb 27 15:15:36 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luiz Augusto von Dentz X-Patchwork-Id: 13574023 Received: from mail-ua1-f44.google.com (mail-ua1-f44.google.com [209.85.222.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7AEB113B79F for ; Tue, 27 Feb 2024 15:15:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.222.44 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709046943; cv=none; b=Zvv2c2Lw3cUBgfATsQTEb0iQLfhTvME0LFm87Xl7x6QlokPIRn9vzWtHup4yhgb/Dnsqq/SoP+rt3jyUeau3+hbzQr9XJr2/Q7BFGVB1q/ULLLA4AsCrxDU4qv4pJMXQNnEgvbw5CtfqtGeBRtl2aF6h90ZQx7P7QIrpBPXKkoQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709046943; c=relaxed/simple; bh=yAwVjnii4gOdKjVBPRKqszUhbHC1xKlL80xFSv2WaF0=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=SulodrN2ieI1z1OQyt8HTUIq+RyRifywJK09umbe3Zm0MkxAOV8CJfOySxeMKhuLsA2HH5LMPXXCBNhZlCkcT3YO2oQ+oLi+5B09xXquY4Mlf6v03uGl7INiSaIKtPoFLHkRHX+BP8Xaja89COIFx2wndQuJAZG7Q9F49LJommk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=Rf8zr39p; arc=none smtp.client-ip=209.85.222.44 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Rf8zr39p" Received: by mail-ua1-f44.google.com with SMTP id a1e0cc1a2514c-7cedcea89a0so2806644241.1 for ; Tue, 27 Feb 2024 07:15:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1709046939; x=1709651739; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:from:to:cc:subject:date:message-id:reply-to; bh=ef5cxWS/DHX003FFu3ZV3XHChZLsTqEMaAm7lSIlAsk=; b=Rf8zr39p9t/dabDyn5Ja252EUcK1lWVSlmrHivicSqFJ044G0jYmoxmTVKt9SzFf8P aF+mJD9jpavnfSzJrHE0VGpwF5djjF+punSsECm1Q6WeDbuWyPuZkZD30qcyc9rXsDmf jA5Ojr/qK+BUaxv5x6NCqRSltM57EJ/bQXzPv8UdsyLAqICwCAwnb58xAs2pMEXcpcZz J+MHGUIsepEZ7bkN3FyiXqWeuY0ih8cvS0NSfAF82gjr3UylcVO3w1ogpMIuzsPirmUa GrTfw2L7uYnrXCbCZ/9/GPR9JRo5qPHC1A0IZBxScMSU2nAXRqN8WO3rxTzRv+dxfmzl bNtg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709046939; x=1709651739; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=ef5cxWS/DHX003FFu3ZV3XHChZLsTqEMaAm7lSIlAsk=; b=eug+baUL3BZiUELzBExV/Ju3dRJKxXlBV1ewuPu5yam76CwwMYW3B5pRsvpuX0Ynd5 rgvZbUiRzu6Nv9xcnsX/0pQZWFNnrRhABJvDix7LBnz5z2wrcr8WECwwMv8O9yFYWtK9 R01n4SA6XUL4EWEfqWZnlwrgjb1yzkHd5SVLOO/krCeuZiS2moF/mcCm6XwQ1CUvvvph olNVtCZGc4LmTkgsv4JpVXoGThNRul4dzZ/GiE4Ku7WK/ITYLKubJmCtzsQu5Ok9Ubwq o67sBFpDLL8VjW+UJXXiwU9tpSSaFD7jajnNc9UJA5WmnPJx85O7DdX5eKftlV8iA9i9 7b4A== X-Gm-Message-State: AOJu0YwyNWl2TX55qrq9lea3bsn6DrbJFn89ifhThGwGCnKgj1ms03MR mwEiKwFn14GxSdux1wMic8tDZI0CR3Y47EQDpCrwFGG7GmdZrYunst//PAyC X-Google-Smtp-Source: AGHT+IFGRSn9aYsaMrzn6FwP3Mh5bOaD7OoW6gy1GG81FwWp2d61gfB3LJ+GZSoOya8/1WhznIWpug== X-Received: by 2002:a1f:da81:0:b0:4c9:907e:30be with SMTP id r123-20020a1fda81000000b004c9907e30bemr7270225vkg.13.1709046939098; Tue, 27 Feb 2024 07:15:39 -0800 (PST) Received: from lvondent-mobl4.. (071-047-239-151.res.spectrum.com. [71.47.239.151]) by smtp.gmail.com with ESMTPSA id h28-20020a05612201dc00b004d335f1bdb7sm32726vko.37.2024.02.27.07.15.38 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Feb 2024 07:15:38 -0800 (PST) From: Luiz Augusto von Dentz To: linux-bluetooth@vger.kernel.org Subject: [PATCH v5 1/2] Bluetooth: hci_sync: Use address filtering when HCI_PA_SYNC is set Date: Tue, 27 Feb 2024 10:15:36 -0500 Message-ID: <20240227151537.1884044-1-luiz.dentz@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Luiz Augusto von Dentz If HCI_PA_SYNC flag is set it means there is a Periodic Advertising Synchronization pending, so this attempts to locate the address passed to HCI_OP_LE_PA_CREATE_SYNC and program it in the accept list so only reports with that address are processed. Signed-off-by: Luiz Augusto von Dentz --- net/bluetooth/hci_sync.c | 45 +++++++++++++++++++++++++++++++--------- 1 file changed, 35 insertions(+), 10 deletions(-) diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c index 669099cf9b1a..ab609089ac4c 100644 --- a/net/bluetooth/hci_sync.c +++ b/net/bluetooth/hci_sync.c @@ -2566,6 +2566,16 @@ static struct conn_params *conn_params_copy(struct list_head *list, size_t *n) return p; } +/* Clear LE Accept List */ +static int hci_le_clear_accept_list_sync(struct hci_dev *hdev) +{ + if (!(hdev->commands[26] & 0x80)) + return 0; + + return __hci_cmd_sync_status(hdev, HCI_OP_LE_CLEAR_ACCEPT_LIST, 0, NULL, + HCI_CMD_TIMEOUT); +} + /* Device must not be scanning when updating the accept list. * * Update is done using the following sequence: @@ -2614,6 +2624,31 @@ static u8 hci_update_accept_list_sync(struct hci_dev *hdev) goto done; } + /* Force address filtering if PA Sync is in progress */ + if (hci_dev_test_flag(hdev, HCI_PA_SYNC)) { + struct hci_cp_le_pa_create_sync *sent; + + sent = hci_sent_cmd_data(hdev, HCI_OP_LE_PA_CREATE_SYNC); + if (sent) { + struct conn_params pa; + + memset(&pa, 0, sizeof(pa)); + + bacpy(&pa.addr, &sent->addr); + pa.addr_type = sent->addr_type; + + /* Clear first since there could be addresses left + * behind. + */ + hci_le_clear_accept_list_sync(hdev); + + num_entries = 1; + err = hci_le_add_accept_list_sync(hdev, &pa, + &num_entries); + goto done; + } + } + /* Go through the current accept list programmed into the * controller one by one and check if that address is connected or is * still in the list of pending connections or list of devices to @@ -4220,16 +4255,6 @@ static int hci_le_read_accept_list_size_sync(struct hci_dev *hdev) 0, NULL, HCI_CMD_TIMEOUT); } -/* Clear LE Accept List */ -static int hci_le_clear_accept_list_sync(struct hci_dev *hdev) -{ - if (!(hdev->commands[26] & 0x80)) - return 0; - - return __hci_cmd_sync_status(hdev, HCI_OP_LE_CLEAR_ACCEPT_LIST, 0, NULL, - HCI_CMD_TIMEOUT); -} - /* Read LE Resolving List Size */ static int hci_le_read_resolv_list_size_sync(struct hci_dev *hdev) { From patchwork Tue Feb 27 15:15:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luiz Augusto von Dentz X-Patchwork-Id: 13574024 Received: from mail-yw1-f174.google.com (mail-yw1-f174.google.com [209.85.128.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4EB671420B3 for ; Tue, 27 Feb 2024 15:15:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.174 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709046944; cv=none; b=q2iYZg1u/eq3JVZv2HTOXOJt4a2tW5sQ1O1X7AjNmk0m/aOPrtkY9GCqUhzc+SxrKUcV4LvVrBEuuFKotoSoa0gpqpLPPjJar2Lg5VaU3+irtKZ+JCEa2oLyhbuUae7W+y2SauKuK66FFJD6vZHP7QvuKVrwtWf2bzejw/3Pvqc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709046944; c=relaxed/simple; bh=eSFD0jMX9QX3F36TXKIE36SpBbtzb+/+q2DtOdKZDt4=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=X2AyIgYYX+tbajcIQDd+PyOgFoArb3DrDT1SJCrQzkIA6lVH/MkySwL/E/ukn4FBaKBzGT+rGnsOM9x/7QvHsyyPrSIiFjqUfKW+GNNeVezs7mHZ56awUsR01dhsZ3B8WcCq2OVeZ516IAI0GZfJySS7bbZHM1ylv/CKUnGa/nY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=HZ7301Dk; arc=none smtp.client-ip=209.85.128.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="HZ7301Dk" Received: by mail-yw1-f174.google.com with SMTP id 00721157ae682-607f8894550so31457357b3.1 for ; Tue, 27 Feb 2024 07:15:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1709046942; x=1709651742; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=bXvzMmiAQBkYjtoM4i7MxrToF6Q1C4jv7wnZl9wJ/YM=; b=HZ7301Dk/Dhdi+ftdMLjVCXYrEiHp9EZGKKx9MSxKedbtbEKMsBomth/NjrFSAvYkr 45Mg3YZk2UE4S0LBawqRnyPetfbhpvW5TAw/pn/F9WcYOhmcIzKZyWH4OoLXRVhqGcS8 UgBozU3LyOGPTd/LepeQZSJGMo3uW1WqACjyfMQ0fjw0U1mDZS6lJ9hiBPNUPz0zrjCk wV5xiQpemf/klcZVK1vo/WjpiQSGHPOMTnNWiB+A1whNa5xVRJwlUs2+5pzV3kEU0v5o dSm5+OLGQ/PXrEpftZbAe9AEKLK/HrV5+V1sD8ac4kqntlH2pRCsrEoPQYYJW/j1QVlb A8xw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709046942; x=1709651742; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=bXvzMmiAQBkYjtoM4i7MxrToF6Q1C4jv7wnZl9wJ/YM=; b=JERZDKySvFtbkXv86i2G1nU7TuGV944qhop18SWhjQoesvLOE7CC7Lo79rKyElKMG/ mTXU9qQjKVbz9YHsBfatLP4k//hc6Zn2pPU1EbOq0OALWmJGej4NgOHMZoqM3cz6wMJY jGPC9oEaydHCgZBcS3w57N4SAVLZ+bdRtB8jXAQpw58nVDWTK2gQSp+twytLHebpKrzO 5BfyH78msMb/3MP4lA22MFAAIiTJayWtTHeNzDpP3mFzczX9pcJlrdfgZdRgK55fhQNw jvESJFJffbIlMAwM/RJ5NBhy7HhgWcCCHP2a6/gV8N+GtMOIxTlTQDUsjWPs3uemO2E5 TezA== X-Gm-Message-State: AOJu0YxZQcnloTXCKtKoDfaw+v14qoIgjv2rVHe+QvueK/5SzZowoiEh 1AkM+kIZ+PGADg6lFgM/aKlHL/S2mW0sqGzjKh2urtYx7DF3UUZHLcwlqrVO X-Google-Smtp-Source: AGHT+IGSphaOqa3MvfcXJ6BAxuEnEU98wTDSrWQPjQq2OS2MR8lVJhKihzvDuE4jujzzw0MZ2LAQSQ== X-Received: by 2002:a81:8352:0:b0:608:b64a:1517 with SMTP id t79-20020a818352000000b00608b64a1517mr2345623ywf.19.1709046941628; Tue, 27 Feb 2024 07:15:41 -0800 (PST) Received: from lvondent-mobl4.. (071-047-239-151.res.spectrum.com. [71.47.239.151]) by smtp.gmail.com with ESMTPSA id h28-20020a05612201dc00b004d335f1bdb7sm32726vko.37.2024.02.27.07.15.39 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Feb 2024 07:15:39 -0800 (PST) From: Luiz Augusto von Dentz To: linux-bluetooth@vger.kernel.org Subject: [PATCH v5 2/2] Bluetooth: hci_sync: Use QoS to determine which PHY to scan Date: Tue, 27 Feb 2024 10:15:37 -0500 Message-ID: <20240227151537.1884044-2-luiz.dentz@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240227151537.1884044-1-luiz.dentz@gmail.com> References: <20240227151537.1884044-1-luiz.dentz@gmail.com> Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Luiz Augusto von Dentz This used the hci_conn QoS to determine which PHY to scan when creating a PA Sync. Signed-off-by: Luiz Augusto von Dentz --- net/bluetooth/hci_sync.c | 66 +++++++++++++++++++++++++++++++++------- 1 file changed, 55 insertions(+), 11 deletions(-) diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c index ab609089ac4c..6e16ebde854d 100644 --- a/net/bluetooth/hci_sync.c +++ b/net/bluetooth/hci_sync.c @@ -2758,6 +2758,14 @@ static u8 hci_update_accept_list_sync(struct hci_dev *hdev) return filter_policy; } +static void hci_le_scan_phy_params(struct hci_cp_le_scan_phy_params *cp, + u8 type, u16 interval, u16 window) +{ + cp->type = type; + cp->interval = cpu_to_le16(interval); + cp->window = cpu_to_le16(window); +} + static int hci_le_set_ext_scan_param_sync(struct hci_dev *hdev, u8 type, u16 interval, u16 window, u8 own_addr_type, u8 filter_policy) @@ -2765,7 +2773,7 @@ static int hci_le_set_ext_scan_param_sync(struct hci_dev *hdev, u8 type, struct hci_cp_le_set_ext_scan_params *cp; struct hci_cp_le_scan_phy_params *phy; u8 data[sizeof(*cp) + sizeof(*phy) * 2]; - u8 num_phy = 0; + u8 num_phy = 0x00; cp = (void *)data; phy = (void *)cp->data; @@ -2775,28 +2783,64 @@ static int hci_le_set_ext_scan_param_sync(struct hci_dev *hdev, u8 type, cp->own_addr_type = own_addr_type; cp->filter_policy = filter_policy; + /* Check if PA Sync is in progress then select the PHY based on the + * hci_conn.iso_qos. + */ + if (hci_dev_test_flag(hdev, HCI_PA_SYNC)) { + struct hci_cp_le_add_to_accept_list *sent; + + sent = hci_sent_cmd_data(hdev, HCI_OP_LE_ADD_TO_ACCEPT_LIST); + if (sent) { + struct hci_conn *conn; + + conn = hci_conn_hash_lookup_ba(hdev, ISO_LINK, + &sent->bdaddr); + if (conn) { + struct bt_iso_qos *qos = &conn->iso_qos; + + if (qos->bcast.in.phy & BT_ISO_PHY_1M || + qos->bcast.in.phy & BT_ISO_PHY_2M) { + cp->scanning_phys |= LE_SCAN_PHY_1M; + hci_le_scan_phy_params(phy, type, + interval, + window); + num_phy++; + phy++; + } + + if (qos->bcast.in.phy & BT_ISO_PHY_CODED) { + cp->scanning_phys |= LE_SCAN_PHY_CODED; + hci_le_scan_phy_params(phy, type, + interval, + window); + num_phy++; + phy++; + } + + if (num_phy) + goto done; + } + } + } + if (scan_1m(hdev) || scan_2m(hdev)) { cp->scanning_phys |= LE_SCAN_PHY_1M; - - phy->type = type; - phy->interval = cpu_to_le16(interval); - phy->window = cpu_to_le16(window); - + hci_le_scan_phy_params(phy, type, interval, window); num_phy++; phy++; } if (scan_coded(hdev)) { cp->scanning_phys |= LE_SCAN_PHY_CODED; - - phy->type = type; - phy->interval = cpu_to_le16(interval); - phy->window = cpu_to_le16(window); - + hci_le_scan_phy_params(phy, type, interval, window); num_phy++; phy++; } +done: + if (!num_phy) + return -EINVAL; + return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_SCAN_PARAMS, sizeof(*cp) + sizeof(*phy) * num_phy, data, HCI_CMD_TIMEOUT);