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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , linux-bluetooth@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250702-pa_sync-v1-1-7a96f5c2d012@amlogic.com> <6bed0cff-c2be-4111-a1d3-14ce0e3309db@amlogic.com> Content-Language: en-US From: Yang Li In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-ClientProxiedBy: SI2PR01CA0023.apcprd01.prod.exchangelabs.com (2603:1096:4:192::17) To JH0PR03MB7468.apcprd03.prod.outlook.com (2603:1096:990:16::12) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: JH0PR03MB7468:EE_|SEYPR03MB8378:EE_ X-MS-Office365-Filtering-Correlation-Id: e23a270e-e42b-4679-3ae5-08ddbaa18cc3 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|7416014|376014|366016|1800799024; X-Microsoft-Antispam-Message-Info: =?utf-8?B?dzdYaHJLM25GU2t0VG82Qk9uYm9ESjRDRGMyc0c4SERaS0Zydko2VHZGYUVF?= =?utf-8?B?ZkpDcityQ09YSGV4QVlIYm1NMDR1aWw5amFrV1owWktWMnIxSzNteGg1cDdB?= =?utf-8?B?MFJnY0wxbU4xcnBnWGwvTmptNGoxNUlZOXdaUzJLN0N2NnRKVkNTU3U0WW9O?= =?utf-8?B?cDVzNWFudEJndk8yQzFpNXRETDRCT1g3SElyWjF3dVU2YTNDblE4MkU4N2g3?= =?utf-8?B?SjE4RUgyZGhiemRJZGRnRUJFbzk1dG91bmptQUVaaWtmaTdXVlMyM2pDMlc3?= =?utf-8?B?U0c4OG5OTGQ0MXoxTVlmNE5aZGFGMGtOK01GUURqWjJTaERSY016cmJzVVNU?= =?utf-8?B?OVlkWklXR2pOOE5Cakt0akMvRCtQaGdLVFE5NzZLdWNUWlBoQno1NnJpcHNL?= =?utf-8?B?TGcrVVc2QWhlYjhYbTA2Y0E4YnFUVjdQamRWQnVWQjdBODl2ZDdiSW9ScWZQ?= =?utf-8?B?elNibnpUYUk0ZXIySEI2QVJOR1dVK0I4MEM1U0JEdVZpQkV0SkFENHI0RUlx?= =?utf-8?B?S3FET0pGbkp6Rk1JVncwVHBBdlZEbmxoMDFvSUdqZUtLN21GMmFrc0JNeC9Q?= =?utf-8?B?Y2QyWUc2SVVkUmFHTWFzUEdFbklxaVZhYS9VSTRmY0tUTVQwYS92YVJ2N29O?= =?utf-8?B?bTIrcEVBWWdTU1k1MVZkUWVWUmg0QVZIWU1qcit1ekljdzhLd1BhMmp2TU90?= =?utf-8?B?bnZVTWNWSVUyU3FKWEV5N0hvOElQd0o3ZjN1dE9OTG90VkwwOXA0dnRwZWZn?= =?utf-8?B?UGw3UzlKQVYxWmJibmtiTTl3aXQ0dTkraTY2TkthYU1aNVgrcGhMVTBhbzV5?= =?utf-8?B?bHRIMDArUnpZeTNmclBzQnhaNGFndHJzckxyM3U1bW1kcS9Gd1hIZVhVNGxY?= =?utf-8?B?OVNXWVRoRWlqMG5xdkN2Rm1VMlduNlpzMGtacG9sZ1c3Z0NEdmlISkNjL0FX?= =?utf-8?B?dHZoWGJYdU1kZVpXVmp3bjVkdE1HcktHaHdqaEJsRi9yS1p4M0c1a01jUFdP?= =?utf-8?B?bDBmOFNIZmxzSWFDOEQrN2VSOXhvYkIvRHBwM2FPTGFId2QyaFlPVDFQaFhr?= =?utf-8?B?WW1Nbzd3Nk54VkVYeERJMUZoU0U0WS9HaHhoQVlQNm1WVUIxQ01SQ3pic2xG?= =?utf-8?B?ZGk3Z3ZQTjVmelczdDVWN1UvcjdaYjZGRkJiaDJDQXh0NzBPRXE2RHp0YWpH?= =?utf-8?B?TUpJei91d1FhekhPSVZBNGFpMXdNUkJGUzFVajM1bVZIdHFqb0s3MnZoTHJV?= =?utf-8?B?VURHRHF5RmJSUDFITzUvOEErWlBiUFhEZHJMYXp4MlJ2OEpSaW5uWk01Zmwy?= =?utf-8?B?OTQraU02LzQ4OUo2bjZoNHRvK2lxcDNnQ1B0aHp6djF1M0Q5dERrWFlnSUpI?= =?utf-8?B?V2lMZnh4dS9UTnMyZHV0VHdFcWVBdjNJMlR6dUNRU3h5WnhDMkcvUmpmTjVC?= =?utf-8?B?SEtQS2dSNGthMnkwQVdrTU1MMXh0WmJOZEo2ZWUwaFNPeU5oN3NzSkkwRmhN?= =?utf-8?B?anJIU0huTWI1aXhsMldLZ2RjbUlrOG0yQnVaNVlOTTRQK2dPcnFhdlZ6Zm9I?= =?utf-8?B?V0cvTmxxaDhtdmFHM0RrdGtpSFBVZXMwRm1GTzlOSkRTeVZpWmpPUVozODRp?= =?utf-8?B?OEx1V04vUytKbjZEeHlGV29QczNDQXZ2SXBCSGZNUzNwWFluN2NmK3FVdUNX?= =?utf-8?B?R21hbEpxd1NhUWJibSs3UTFCUHlPb0JGOU1KZDlLYzJyckkwNE5adDVDSnZh?= =?utf-8?B?L1lTamdsSXpwRU5uQTQ1M2dGMzN1Z1gxRG5KWWxza3Iwb1Z5N3FDODhXT202?= =?utf-8?B?N0k1T0FmK1ZJaFFLZXdzSG0ra0FnQ1RqV1cwR01ZcTZHRGZ1K2d0VURrcjR6?= =?utf-8?B?K09CV0w5THZORTRvOERRUnVPTnNwUlRXWlplMm5wVG5OdFBIMGJyc0hFeWtZ?= =?utf-8?Q?MbGT4dUVdg4=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:JH0PR03MB7468.apcprd03.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(7416014)(376014)(366016)(1800799024);DIR:OUT;SFP:1102; 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Yes, I agree with your point. Adding PA_LINK can make it clearer to distinguish between PA sync and BIG sync links. Let me try to update it accordingly. > >> If the PA sync connection is deleted, then when hci_le_big_sync_lost_evt >> is executed, hci_conn_hash_lookup_pa_sync_handle should return NULL, >> However, it currently returns the BIS1 connection instead, because bis >> conn also has HCI_CONN_PA_SYNC set. >> >> Therefore, I added an HCI_CONN_BIG_SYNC check in >> hci_conn_hash_lookup_pa_sync_handle to filter out BIS connections. >> >>>> Signed-off-by: Yang Li >>>> --- >>>> include/net/bluetooth/hci_core.h | 7 +++++++ >>>> 1 file changed, 7 insertions(+) >>>> >>>> diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h >>>> index 3ce1fb6f5822..646b0c5fd7a5 100644 >>>> --- a/include/net/bluetooth/hci_core.h >>>> +++ b/include/net/bluetooth/hci_core.h >>>> @@ -1400,6 +1400,13 @@ hci_conn_hash_lookup_pa_sync_handle(struct hci_dev *hdev, __u16 sync_handle) >>>> if (c->type != BIS_LINK) >>>> continue; >>>> >>>> + /* Ignore the big sync connections, we are looking >>>> + * for the PA sync connection that was created as >>>> + * a result of the PA sync established event. >>>> + */ >>>> + if (test_bit(HCI_CONN_BIG_SYNC, &c->flags)) >>>> + continue; >>>> + >>> hci_conn_hash_lookup_pa_sync_big_handle does: >>> >>> if (c->type != BIS_LINK || >>> !test_bit(HCI_CONN_PA_SYNC, &c->flags)) >> >> Please forgive my misunderstanding. >> >>>> /* Ignore the listen hcon, we are looking >>>> * for the child hcon that was created as >>>> * a result of the PA sync established event. >>>> >>>> --- >>>> base-commit: 3bc46213b81278f3a9df0324768e152de71eb9fe >>>> change-id: 20250701-pa_sync-2fc7fc9f592c >>>> >>>> Best regards, >>>> -- >>>> Yang Li >>>> >>>> >>> -- >>> Luiz Augusto von Dentz > > > -- > Luiz Augusto von Dentz