From patchwork Wed Oct 11 14:24:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Iulia Tanasescu X-Patchwork-Id: 13417488 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 7A979CD6E78 for ; Wed, 11 Oct 2023 14:24:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234723AbjJKOYb (ORCPT ); Wed, 11 Oct 2023 10:24:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34600 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231370AbjJKOYa (ORCPT ); Wed, 11 Oct 2023 10:24:30 -0400 Received: from EUR03-AM7-obe.outbound.protection.outlook.com (mail-am7eur03on2083.outbound.protection.outlook.com [40.107.105.83]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 940A192 for ; Wed, 11 Oct 2023 07:24:28 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=A3GUI6i9y+Qr3Wxh3SGITK4rq0VN8jt4sL3WoEltwSGNbTo//iOsMGjy2v4mA1IzdRONR1FAi35PESNYax6NbHlIU7h9GxTkoU6EIWq9DnCuAorvdtVjFJS3/Pf5yYGBpq+IqYF8UGFEhbcnQqheubMwCusf3XE2KQEhYvC++urmt8XNzlx2f5QRIpjDCmYiWnhx+sz8MkbLbXUHJlHqbutKqNMEsr9zXhff9FK2TCYqzQkMywP1jCyfubkAqpHPZ8ZEC1+7iWGmYxYCiGbfMA3/slvIqKZCPKKV6CNUgzJvtQ/GZFZLCpo90NtgzWv3RiKgDrCeQ0xCo+AM35rKvQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=nJsmn+gZVod0csUGG5lm0hBKtZqrUbuT+t/pdHpuZhs=; b=WXW0ziqfu+5dwDLvGQ9GMieX9nxcHfsVbakj+qskCPy/RulJcjpfHv4vNSPROJeJplh181uVFGUAYR+9ItmXkThs4R7ZTsgGVYb9Fn4JjFZ4BrM4vgEnSvxoP1ulrMhXbLzod/Ff0bHKUKV7DVYOe5Aepfh9s2uWPcKFqBwjidFZOEjg3WO8ymhl9mL2bk9t3PI+5IteJ5x7dbAD265LOfPwCyqYL4T+zs7TEjhVDXM91jOlASwU4nFI5LIdfWzWE5a9kw8PJp6iDcb1cAXwb1KFKQr+pTAo1wg/razAEdyrTqM6LrjA6Y4rIbejGTqA5pMr2jkZTaua9z3qEDJTqw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=nJsmn+gZVod0csUGG5lm0hBKtZqrUbuT+t/pdHpuZhs=; b=eKGElLPnTT9QTZjG8JRBDKrWAKm9tFQS4QzFJ+TJ+AqURpBvcqCtI8dDwUYNLUzt6rPFxqY9tVklTfShkGQlGmwwrjumEVvgex9306Wr55VSVCCW7m9X7jUplW9xN4I5jrVf7mou/njnGUiMY+bF93LX8zTMQNtbud8ciFqNdIY= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from AS8PR04MB8898.eurprd04.prod.outlook.com (2603:10a6:20b:42d::15) by VE1PR04MB7471.eurprd04.prod.outlook.com (2603:10a6:800:1a7::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6863.38; Wed, 11 Oct 2023 14:24:26 +0000 Received: from AS8PR04MB8898.eurprd04.prod.outlook.com ([fe80::7763:779b:1a89:47da]) by AS8PR04MB8898.eurprd04.prod.outlook.com ([fe80::7763:779b:1a89:47da%3]) with mapi id 15.20.6863.032; Wed, 11 Oct 2023 14:24:26 +0000 From: Iulia Tanasescu To: linux-bluetooth@vger.kernel.org Cc: claudia.rosu@nxp.com, mihai-octavian.urzica@nxp.com, silviu.barbulescu@nxp.com, vlad.pruteanu@nxp.com, andrei.istodorescu@nxp.com, luiz.dentz@gmail.com, Iulia Tanasescu Subject: [PATCH 1/2] Bluetooth: ISO: Fix bcast listener cleanup Date: Wed, 11 Oct 2023 17:24:07 +0300 Message-Id: <20231011142408.5529-2-iulia.tanasescu@nxp.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231011142408.5529-1-iulia.tanasescu@nxp.com> References: <20231011142408.5529-1-iulia.tanasescu@nxp.com> X-ClientProxiedBy: VE1PR03CA0010.eurprd03.prod.outlook.com (2603:10a6:802:a0::22) To AS8PR04MB8898.eurprd04.prod.outlook.com (2603:10a6:20b:42d::15) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AS8PR04MB8898:EE_|VE1PR04MB7471:EE_ X-MS-Office365-Filtering-Correlation-Id: af99d9e7-4f06-4df0-75f0-08dbca65c5b0 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AS8PR04MB8898.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(39860400002)(376002)(366004)(346002)(396003)(136003)(230922051799003)(186009)(451199024)(64100799003)(1800799009)(4326008)(41300700001)(5660300002)(6916009)(316002)(8676002)(36756003)(8936002)(44832011)(2906002)(2013699003)(2616005)(26005)(1076003)(86362001)(83380400001)(6506007)(6512007)(6666004)(38100700002)(6486002)(478600001)(66556008)(66476007)(66946007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: hnJJHkEcqyxLOgZ1p1bKxBKG6Rop2z1JidxDdUQF7dBNaD/6h1qZILNu3OSFEvLzrmnJO6NlP2pUQc/gdUQBHkQzuTxh1DLd2pQqus4rc4smEHwwatOmkTIHROwznEUIe5X1Avgsi6BlojESLktNA4Xf9Y0ZqjHIK2RA9jey9kXkeTI07CrRyoTeiArx/SKDm/ZNvNF+ArC9cWUpxod8H6mM2Wt7Hbe1U5pdZ+PEq8WzRrd8BtDjkF3hPZ8P43fo8r/tL3wqBsfHAtVgfdU+N9m8MqVsx82Gt74NjdjZEekr49OPbzZwonb+bxHVybuEpS6cY7OaoEV4uptFav3GNcsRNVtGQPBkY6poGhCjj6qvHwHLIavwHa8trcJj3MyBjsNWDqq892/9dX2L1kFjdduaCmnLU6yHiS6+lkfigh4lykb2brfY06K0LzC/v+V3Ntp0oPgf/JSchJxCe3xf387RJIfG2WncZ5v8meXb7AEhymOGp3RCpHpMR0gkky8kDwU6KXHnJvuKmFreNEvXDq8ShSVHKh4vJ2vIxhkNMGq4OU7SUB0PNZXVPMU+kQnh/ABKtWY1QqDVYApLBuqSyhFZMUWM6w0hvfpGKmdGke2vtWowvE3OGVfuVc+1X2DTm1FJ1DFj+OUzwmqczh4viFEQw462ryE1BE166lpqnbhiamI97SvoV8XZPF1ww1FiRq1rRYLN82YN4HIt5o1Jm/OBYdFxvfCepMHzeYKnbeSP3qyIN2YI4Q4JEsHvPbaKCnbxV0UmIz9Gz9u72m1zIq1kkExTec3w2PVa56WkR2AWVmivy89mCC+bGe/I+X2gQXj5711p9x8c8DyJ0jMDX70lf3nQgfxb5CDbYj2evDyQM5Tb1YsVsi8x+uQLrBX+peWkkFRr9qrb9/hIDe7Q2ruB1Fau26ZAzcjxc86dygCYmBo3L5D8EIxpTB1iXlHZRSTle1TU04x/esnP37nHzwIz0yktyxEP5CYJyvwWBF2/DrJ7DA+5kphU9KaOCzi7Y/luuqQz86vA2CVG01AuLl/AAY6XSmshrKKV9S3Is4epKT5cVfK7W1eSmsVCJSkQ1sCVO9Yb03yM8yTk1OKw6aXxwUQXTql3THKVhOZiP3DlZprKzWlLenLhiEx9wEjkIAU4+6FBn3wXJ2Bp8ti01/yf8808ykgR+NV5Xo2HfQ+HxBAJLatAcZJ383eEXsjI3nA/q1Ghdd4IGqrtjdoY/FdAchQmg4IC/0Jxeq8Rd2V9Khj3pvM7d2+PplDNWUudV4FVUXboHnElo+tddFjoi0xwwLoOyDkQj2p1ZCGVGC7RUlNI+2AGTh3rKwc6pzwv2DWNgwIiV74wf3j597Jkebtmc1CONYFKOm7jfvwHKKNSg/R3ai6JltS5N5pNCRsV8bdLuhIz7svylAz93UG60qUvYpy02U4Dh+13nMq5axwGM5ZFToW6SKwcSd7LO/tu+/PSlVhgMmtggf8ouNopfH0lQUelTqPsyZut2QxiuE+sujI3nCUQL2cQtlBf69/1OPFfrLZivxmi8dK+b00Bd66UUDorYLqhemfsHGKUC1Mw/tUhrrYPlGeN6fmODMVgCG6Z9prhBWJvS0J6yuiAkQ== X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: af99d9e7-4f06-4df0-75f0-08dbca65c5b0 X-MS-Exchange-CrossTenant-AuthSource: AS8PR04MB8898.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Oct 2023 14:24:26.1730 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: aPP9s5ye7xp/yKOafTW0BhrG2hfywl4uYkcw1HgM1iq9a+ZH50X9RZKacwkhcIr8lG2ybV2oi0r+ybDtwXitgQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB7471 Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org This fixes the cleanup callback for slave bis and pa sync hcons. Closing all bis hcons will trigger BIG Terminate Sync, while closing all bises and the pa sync hcon will also trigger PA Terminate Sync. Signed-off-by: Iulia Tanasescu --- include/net/bluetooth/hci_core.h | 43 +++++++++++++++----------------- net/bluetooth/hci_conn.c | 38 ++++++++++++++++++++++------ net/bluetooth/hci_event.c | 10 -------- 3 files changed, 50 insertions(+), 41 deletions(-) diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index f36c1fd5d64e..99865c23e461 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -1290,29 +1290,6 @@ static inline struct hci_conn *hci_conn_hash_lookup_big(struct hci_dev *hdev, return NULL; } -static inline struct hci_conn *hci_conn_hash_lookup_big_any_dst(struct hci_dev *hdev, - __u8 handle) -{ - struct hci_conn_hash *h = &hdev->conn_hash; - struct hci_conn *c; - - rcu_read_lock(); - - list_for_each_entry_rcu(c, &h->list, list) { - if (c->type != ISO_LINK) - continue; - - if (handle != BT_ISO_QOS_BIG_UNSET && handle == c->iso_qos.bcast.big) { - rcu_read_unlock(); - return c; - } - } - - rcu_read_unlock(); - - return NULL; -} - static inline struct hci_conn * hci_conn_hash_lookup_pa_sync_big_handle(struct hci_dev *hdev, __u8 big) { @@ -1400,6 +1377,26 @@ static inline void hci_conn_hash_list_state(struct hci_dev *hdev, rcu_read_unlock(); } +static inline void hci_conn_hash_list_flag(struct hci_dev *hdev, + hci_conn_func_t func, __u8 type, + __u8 flag, void *data) +{ + struct hci_conn_hash *h = &hdev->conn_hash; + struct hci_conn *c; + + if (!func) + return; + + rcu_read_lock(); + + list_for_each_entry_rcu(c, &h->list, list) { + if (c->type == type && test_bit(flag, &c->flags)) + func(c, data); + } + + rcu_read_unlock(); +} + static inline struct hci_conn *hci_lookup_le_connect(struct hci_dev *hdev) { struct hci_conn_hash *h = &hdev->conn_hash; diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index 974631e652c1..7727fe30e5c3 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -815,6 +815,17 @@ static int big_terminate_sync(struct hci_dev *hdev, void *data) return 0; } +static void find_bis(struct hci_conn *conn, void *data) +{ + struct iso_list_data *d = data; + + /* Ignore if BIG doesn't match */ + if (d->big != conn->iso_qos.bcast.big) + return; + + d->count++; +} + static int hci_le_big_terminate(struct hci_dev *hdev, u8 big, struct hci_conn *conn) { struct iso_list_data *d; @@ -826,10 +837,27 @@ static int hci_le_big_terminate(struct hci_dev *hdev, u8 big, struct hci_conn *c if (!d) return -ENOMEM; + memset(d, 0, sizeof(*d)); d->big = big; d->sync_handle = conn->sync_handle; - d->pa_sync_term = test_and_clear_bit(HCI_CONN_PA_SYNC, &conn->flags); - d->big_sync_term = test_and_clear_bit(HCI_CONN_BIG_SYNC, &conn->flags); + + if (test_and_clear_bit(HCI_CONN_PA_SYNC, &conn->flags)) { + hci_conn_hash_list_flag(hdev, find_bis, ISO_LINK, + HCI_CONN_PA_SYNC, d); + + if (!d->count) + d->pa_sync_term = true; + + d->count = 0; + } + + if (test_and_clear_bit(HCI_CONN_BIG_SYNC, &conn->flags)) { + hci_conn_hash_list_flag(hdev, find_bis, ISO_LINK, + HCI_CONN_BIG_SYNC, d); + + if (!d->count) + d->big_sync_term = true; + } ret = hci_cmd_sync_queue(hdev, big_terminate_sync, d, terminate_big_destroy); @@ -865,12 +893,6 @@ static void bis_cleanup(struct hci_conn *conn) hci_le_terminate_big(hdev, conn); } else { - bis = hci_conn_hash_lookup_big_any_dst(hdev, - conn->iso_qos.bcast.big); - - if (bis) - return; - hci_le_big_terminate(hdev, conn->iso_qos.bcast.big, conn); } diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 9b34c9f8ee02..32fb2f102a12 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -7112,7 +7112,6 @@ static void hci_le_big_sync_established_evt(struct hci_dev *hdev, void *data, { struct hci_evt_le_big_sync_estabilished *ev = data; struct hci_conn *bis; - struct hci_conn *pa_sync; int i; bt_dev_dbg(hdev, "status 0x%2.2x", ev->status); @@ -7123,15 +7122,6 @@ static void hci_le_big_sync_established_evt(struct hci_dev *hdev, void *data, hci_dev_lock(hdev); - if (!ev->status) { - pa_sync = hci_conn_hash_lookup_pa_sync_big_handle(hdev, ev->handle); - if (pa_sync) - /* Also mark the BIG sync established event on the - * associated PA sync hcon - */ - set_bit(HCI_CONN_BIG_SYNC, &pa_sync->flags); - } - for (i = 0; i < ev->num_bis; i++) { u16 handle = le16_to_cpu(ev->bis[i]); __le32 interval; From patchwork Wed Oct 11 14:24:08 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Iulia Tanasescu X-Patchwork-Id: 13417489 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 18B39CD6E77 for ; Wed, 11 Oct 2023 14:24:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234890AbjJKOYf (ORCPT ); Wed, 11 Oct 2023 10:24:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34636 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231370AbjJKOYf (ORCPT ); Wed, 11 Oct 2023 10:24:35 -0400 Received: from EUR03-AM7-obe.outbound.protection.outlook.com (mail-am7eur03on2060.outbound.protection.outlook.com [40.107.105.60]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BDA3B90 for ; Wed, 11 Oct 2023 07:24:32 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=cZA9v0LJxQwYqMiuhqmZ89d2jgfV51SI5g1S1gmOi0hFRi3HWANxqCkGu6BTA/7TA4xTkUsIObF1b6M4EqQAL/Tx9hy2Yog+g+tgFMA2hsW/PP4aOpdkg1B5c00qogYGpc9RANjA5WdIM6WT/nOm3xrEndTAkmwtNd/6NE1AQ5xmUeDxfaqZyfn1fxbJEMplzFlMDzUAKrPb6wr4TKmK8DYOd4HXOuFGcwbBYOxdpfsc0ZfXmgug+YCDEbDe/HqIM7tSl7DM9NoHTc7BzSKhvvvOiJsRNJlABXpG7lzXGAsgOn3/F29BCY21VQFsEeUvwh6sZLPQinuSmqtwjkHllw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=rkKy66T2i7/nZ53XuCiHnJuRpIPptpzLPLBx/iELlUE=; b=LwEDB2d+Qusog+XdaoQC00OzyKFhUdhLtfmLdsw1YsNgQDtNjSRs58/JxIvqXxppfHeSw9RXsoX0MQwyUwiu/sXWkVmdHQoGLDYMKJlFQDRF6wCqEta1ij7dJ9TtNCsSKymwlMLoKccC8qbrV48s9U1Lt52VxrJQp+G43g5iQHHYm4qyXvOSX8RYQ2nw58IxCX/Oz4fwz+tUd96H+2l0VQHLjspj5guoaIILfcE40LwY0BjWh5/GcfX5nSpkZSC6dG53cF9ZBmlgo7Hskd8coQwafC46xbIA+iSTh2ITa7/MnbpUFjm80KF3gKwnWnT9ph/WNpBGKSMnMLw6cFCDnw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=rkKy66T2i7/nZ53XuCiHnJuRpIPptpzLPLBx/iELlUE=; b=DBOtdZjF+75oJZ2XARccuX+1CeVcncEUs1G8FtCv2NIGqsOp5FvEt7bpH1HEizJ1rgROhq+ijjRNLGUWG4MrL24W7hQhPXdcKkf2zsSBXTKduYtc753hfKx5zRzZpJgSvEBlaLw2FOovx/6AgqjGqpXhC4WD6Up7odDdiTQCw5A= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from AS8PR04MB8898.eurprd04.prod.outlook.com (2603:10a6:20b:42d::15) by VE1PR04MB7471.eurprd04.prod.outlook.com (2603:10a6:800:1a7::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6863.38; Wed, 11 Oct 2023 14:24:30 +0000 Received: from AS8PR04MB8898.eurprd04.prod.outlook.com ([fe80::7763:779b:1a89:47da]) by AS8PR04MB8898.eurprd04.prod.outlook.com ([fe80::7763:779b:1a89:47da%3]) with mapi id 15.20.6863.032; Wed, 11 Oct 2023 14:24:30 +0000 From: Iulia Tanasescu To: linux-bluetooth@vger.kernel.org Cc: claudia.rosu@nxp.com, mihai-octavian.urzica@nxp.com, silviu.barbulescu@nxp.com, vlad.pruteanu@nxp.com, andrei.istodorescu@nxp.com, luiz.dentz@gmail.com, Iulia Tanasescu Subject: [PATCH 2/2] Bluetoth: ISO: Fix broadcast event handling Date: Wed, 11 Oct 2023 17:24:08 +0300 Message-Id: <20231011142408.5529-3-iulia.tanasescu@nxp.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231011142408.5529-1-iulia.tanasescu@nxp.com> References: <20231011142408.5529-1-iulia.tanasescu@nxp.com> X-ClientProxiedBy: VI1PR0202CA0033.eurprd02.prod.outlook.com (2603:10a6:803:14::46) To AS8PR04MB8898.eurprd04.prod.outlook.com (2603:10a6:20b:42d::15) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AS8PR04MB8898:EE_|VE1PR04MB7471:EE_ X-MS-Office365-Filtering-Correlation-Id: 91ca2b7a-fad1-4afd-50ca-08dbca65c810 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AS8PR04MB8898.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(39860400002)(376002)(366004)(346002)(396003)(136003)(230922051799003)(186009)(451199024)(64100799003)(1800799009)(4326008)(41300700001)(5660300002)(6916009)(316002)(8676002)(36756003)(8936002)(44832011)(2906002)(2616005)(26005)(1076003)(86362001)(83380400001)(6506007)(6512007)(6666004)(38100700002)(6486002)(478600001)(66556008)(66476007)(66946007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 91ca2b7a-fad1-4afd-50ca-08dbca65c810 X-MS-Exchange-CrossTenant-AuthSource: AS8PR04MB8898.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Oct 2023 14:24:30.1281 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: facyiSoh8kNJ4XjeIwIql1qwMEN65pGObPWglyidZ7g4tmHaP7TphS8/0QetjnGubvtOor4y8lKrzXB66+zS4Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB7471 Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org This fixes the way broadcast events are handled by the ISO layer: A new slave BIS hcon is notified after the Command Complete for LE Setup ISO Data Path is received, not after BIG Sync Established. The iso_match_pa_sync_flag function has been replaced with more specific matching functions, depending on the event being handled. Signed-off-by: Iulia Tanasescu --- include/net/bluetooth/hci_core.h | 3 +- net/bluetooth/hci_core.c | 50 ++++++++++----- net/bluetooth/iso.c | 101 +++++++++++++++++++++++++------ 3 files changed, 119 insertions(+), 35 deletions(-) diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 99865c23e461..a85c47abd88d 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -2127,7 +2127,8 @@ void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb); void hci_send_iso(struct hci_conn *conn, struct sk_buff *skb); void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode); -void *hci_recv_event_data(struct hci_dev *hdev, __u8 event); +void *hci_le_meta_evt_data(struct hci_dev *hdev, __u8 subevent); +void *hci_cmd_complete_data(struct hci_dev *hdev, __u16 opcode); u32 hci_conn_get_phy(struct hci_conn *conn); diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 195aea2198a9..5ccc6ef1b66b 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -3120,10 +3120,11 @@ void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode) return hdev->sent_cmd->data + HCI_COMMAND_HDR_SIZE; } -/* Get data from last received event */ -void *hci_recv_event_data(struct hci_dev *hdev, __u8 event) +/* Get data from last received LE Meta event */ +void *hci_le_meta_evt_data(struct hci_dev *hdev, __u8 subevent) { struct hci_event_hdr *hdr; + struct hci_ev_le_meta *ev; int offset; if (!hdev->recv_event) @@ -3132,21 +3133,42 @@ void *hci_recv_event_data(struct hci_dev *hdev, __u8 event) hdr = (void *)hdev->recv_event->data; offset = sizeof(*hdr); - if (hdr->evt != event) { - /* In case of LE metaevent check the subevent match */ - if (hdr->evt == HCI_EV_LE_META) { - struct hci_ev_le_meta *ev; + if (hdr->evt != HCI_EV_LE_META) + return NULL; - ev = (void *)hdev->recv_event->data + offset; - offset += sizeof(*ev); - if (ev->subevent == event) - goto found; - } + ev = (void *)hdev->recv_event->data + offset; + offset += sizeof(*ev); + if (ev->subevent != subevent) + return NULL; + + bt_dev_dbg(hdev, "subevent 0x%2.2x", subevent); + + return hdev->recv_event->data + offset; +} + +/* Get data from last received Command Complete event */ +void *hci_cmd_complete_data(struct hci_dev *hdev, __u16 opcode) +{ + struct hci_event_hdr *hdr; + struct hci_ev_cmd_complete *ev; + int offset; + + if (!hdev->recv_event) + return NULL; + + hdr = (void *)hdev->recv_event->data; + offset = sizeof(*hdr); + + if (hdr->evt != HCI_EV_CMD_COMPLETE) + return NULL; + + ev = (void *)hdev->recv_event->data + offset; + offset += sizeof(*ev); + + if (__le16_to_cpu(ev->opcode) != opcode) return NULL; - } -found: - bt_dev_dbg(hdev, "event 0x%2.2x", event); + bt_dev_dbg(hdev, "command complete event for 0x%4.4x", opcode); return hdev->recv_event->data + offset; } diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c index 8ab7ea5ebedf..76c186f951d1 100644 --- a/net/bluetooth/iso.c +++ b/net/bluetooth/iso.c @@ -1560,6 +1560,16 @@ struct iso_list_data { int count; }; +static bool iso_match_big_flag(struct sock *sk, void *data) +{ + struct hci_evt_le_big_sync_estabilished *ev = data; + + if (!test_bit(BT_SK_PA_SYNC, &iso_pi(sk)->flags)) + return false; + + return ev->handle == iso_pi(sk)->qos.bcast.big; +} + static bool iso_match_big(struct sock *sk, void *data) { struct hci_evt_le_big_sync_estabilished *ev = data; @@ -1567,15 +1577,28 @@ static bool iso_match_big(struct sock *sk, void *data) return ev->handle == iso_pi(sk)->qos.bcast.big; } -static bool iso_match_pa_sync_flag(struct sock *sk, void *data) +static bool iso_match_conn_big_flag(struct sock *sk, void *data) +{ + struct hci_conn *hcon = data; + + if (!test_bit(BT_SK_PA_SYNC, &iso_pi(sk)->flags)) + return false; + + return hcon->iso_qos.bcast.big == iso_pi(sk)->qos.bcast.big; +} + +static bool iso_match_conn_big(struct sock *sk, void *data) { - return test_bit(BT_SK_PA_SYNC, &iso_pi(sk)->flags); + struct hci_conn *hcon = data; + + return hcon->iso_qos.bcast.big == iso_pi(sk)->qos.bcast.big; } static void iso_conn_ready(struct iso_conn *conn) { struct sock *parent = NULL; struct sock *sk = conn->sk; + struct hci_rp_le_setup_iso_path *rp = NULL; struct hci_ev_le_big_sync_estabilished *ev = NULL; struct hci_ev_le_pa_sync_established *ev2 = NULL; struct hci_evt_le_big_info_adv_report *ev3 = NULL; @@ -1590,29 +1613,56 @@ static void iso_conn_ready(struct iso_conn *conn) if (!hcon) return; - if (test_bit(HCI_CONN_BIG_SYNC, &hcon->flags) || - test_bit(HCI_CONN_BIG_SYNC_FAILED, &hcon->flags)) { - ev = hci_recv_event_data(hcon->hdev, - HCI_EVT_LE_BIG_SYNC_ESTABILISHED); + if (test_bit(HCI_CONN_BIG_SYNC, &hcon->flags)) { + rp = hci_cmd_complete_data(hcon->hdev, + HCI_OP_LE_SETUP_ISO_PATH); - /* Get reference to PA sync parent socket, if it exists */ - parent = iso_get_sock_listen(&hcon->src, - &hcon->dst, - iso_match_pa_sync_flag, NULL); - if (!parent && ev) + if (rp) { + /* If defer setup was used to listen for this + * event, get reference to the socket marked + * with the BT_SK_PA_SYNC flag. + */ parent = iso_get_sock_listen(&hcon->src, &hcon->dst, - iso_match_big, ev); + iso_match_conn_big_flag, + hcon); + + if (!parent) + parent = iso_get_sock_listen(&hcon->src, + &hcon->dst, + iso_match_conn_big, + hcon); + } + } else if (test_bit(HCI_CONN_BIG_SYNC_FAILED, &hcon->flags)) { + ev = hci_le_meta_evt_data(hcon->hdev, + HCI_EVT_LE_BIG_SYNC_ESTABILISHED); + + if (ev) { + /* If defer setup was used to listen for this + * event, get reference to the socket marked + * with the BT_SK_PA_SYNC flag. + */ + parent = iso_get_sock_listen(&hcon->src, + &hcon->dst, + iso_match_big_flag, + ev); + + if (!parent) + parent = iso_get_sock_listen(&hcon->src, + &hcon->dst, + iso_match_big, + ev); + } } else if (test_bit(HCI_CONN_PA_SYNC_FAILED, &hcon->flags)) { - ev2 = hci_recv_event_data(hcon->hdev, - HCI_EV_LE_PA_SYNC_ESTABLISHED); + ev2 = hci_le_meta_evt_data(hcon->hdev, + HCI_EV_LE_PA_SYNC_ESTABLISHED); if (ev2) parent = iso_get_sock_listen(&hcon->src, &hcon->dst, iso_match_sid, ev2); } else if (test_bit(HCI_CONN_PA_SYNC, &hcon->flags)) { - ev3 = hci_recv_event_data(hcon->hdev, - HCI_EVT_LE_BIG_INFO_ADV_REPORT); + ev3 = hci_le_meta_evt_data(hcon->hdev, + HCI_EVT_LE_BIG_INFO_ADV_REPORT); if (ev3) parent = iso_get_sock_listen(&hcon->src, &hcon->dst, @@ -1700,6 +1750,16 @@ static bool iso_match_sid(struct sock *sk, void *data) return ev->sid == iso_pi(sk)->bc_sid; } +static bool iso_match_sync_handle_flag(struct sock *sk, void *data) +{ + struct hci_evt_le_big_info_adv_report *ev = data; + + if (!test_bit(BT_SK_PA_SYNC, &iso_pi(sk)->flags)) + return false; + + return le16_to_cpu(ev->sync_handle) == iso_pi(sk)->sync_handle; +} + static bool iso_match_sync_handle(struct sock *sk, void *data) { struct hci_evt_le_big_info_adv_report *ev = data; @@ -1740,7 +1800,7 @@ int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags) * in iso_pi(sk)->base so it can be passed up to user, in the case of a * broadcast sink. */ - ev1 = hci_recv_event_data(hdev, HCI_EV_LE_PA_SYNC_ESTABLISHED); + ev1 = hci_le_meta_evt_data(hdev, HCI_EV_LE_PA_SYNC_ESTABLISHED); if (ev1) { sk = iso_get_sock_listen(&hdev->bdaddr, bdaddr, iso_match_sid, ev1); @@ -1750,11 +1810,12 @@ int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags) goto done; } - ev2 = hci_recv_event_data(hdev, HCI_EVT_LE_BIG_INFO_ADV_REPORT); + ev2 = hci_le_meta_evt_data(hdev, HCI_EVT_LE_BIG_INFO_ADV_REPORT); if (ev2) { /* Try to get PA sync listening socket, if it exists */ sk = iso_get_sock_listen(&hdev->bdaddr, bdaddr, - iso_match_pa_sync_flag, NULL); + iso_match_sync_handle_flag, + ev2); if (!sk) sk = iso_get_sock_listen(&hdev->bdaddr, bdaddr, iso_match_sync_handle, ev2); @@ -1780,7 +1841,7 @@ int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags) } } - ev3 = hci_recv_event_data(hdev, HCI_EV_LE_PER_ADV_REPORT); + ev3 = hci_le_meta_evt_data(hdev, HCI_EV_LE_PER_ADV_REPORT); if (ev3) { sk = iso_get_sock_listen(&hdev->bdaddr, bdaddr, iso_match_sync_handle_pa_report, ev3);