From nobody Wed Oct 8 04:07:55 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 322211D516A; Wed, 2 Jul 2025 11:35:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751456152; cv=none; b=GSPJeqYQNmhWup7nD1ECp9CFqiX2QoNe1Vu5g7onrI4eTWXB+TsHENxeWN8aeBbI19hL2subtl6ds94+AkPwB4duaeQAs3CcskUTiPIj/59F49z7//dKIw7Nr1NlsIHHMsDJWDsjd/vfhMRE4DM7QFg5lwgwMLE473c1EmVsKc0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751456152; c=relaxed/simple; bh=75tX/3HUrOf8+9xyDRzjBq3cba5xi1dbfPz2qmejVzQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=cHWccnyiVz+KIaTSUZV0SYI+qlkhnvik1OcP3QrJ0Mr2T3DS8WEmSWo6V4i2PA+VurlrSlggoFeyuq48XX1iveCUnFtHy9+KKrfVoFoliPdl/PfblWJ0XSHXw3GBnP5Rpnh6+kdjz531OXp0VRhK1UUeVQFJIcWkFgLTx21MsLU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VEOZQmII; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="VEOZQmII" Received: by smtp.kernel.org (Postfix) with ESMTPS id 8FD69C4CEF2; Wed, 2 Jul 2025 11:35:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1751456151; bh=75tX/3HUrOf8+9xyDRzjBq3cba5xi1dbfPz2qmejVzQ=; h=From:Date:Subject:To:Cc:Reply-To:From; b=VEOZQmIIaiaKvRQd40Um4F8toPmxvD0ygHZOzMNUcGANXbNTX4Nx9IaPpgJtfMClD YDUwmoc+sPhKhgPpDtPk+g//uySdT8I5o83FbnsJvg8Eavmm6O6C+S8NDrtrUEU/0c BTKWFA71Dwodr8Xj0UKgnowse7P2j3A3uWL2UKu7tc8jzOOvNNYTVpRO1QKbLp2k2I TfAYBUo5UqMa4NBYrNhgJ4F+ArrTTIRJv6jcbTFweIQdl+RWEAngSZl2aVxJNV+uwn MzwiBfAq/SIhE4xYih5aswvAn4YL7bCdt6OFz6slHHirZ1Apd1VE6SnmU0dGRWaX5t Z20RDr7KUQ3XA== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7D04FC83013; Wed, 2 Jul 2025 11:35:51 +0000 (UTC) From: Yang Li via B4 Relay Date: Wed, 02 Jul 2025 19:35:48 +0800 Subject: [PATCH v2] Bluetooth: ISO: Support SOCK_RCVTSTAMP via CMSG for ISO sockets Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250702-iso_ts-v2-1-723d199c8068@amlogic.com> X-B4-Tracking: v=1; b=H4sIAJMZZWgC/zXMywrCMBCF4VcpszaSpBdjV76HFInptB2wjWRKU Ere3Vjo8j8cvg0YAyFDW2wQMBKTX3LoUwFussuIgvrcoKWuZaWVIPaPlYUz2pZSWryYCvL5HXC gzw7du9wT8erDd3ej+q8HcT2IqIQSWJtmKGWPjXve7PzyI7mz8zN0KaUfJqRCPZ4AAAA= To: Marcel Holtmann , Johan Hedberg , Luiz Augusto von Dentz , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman Cc: linux-bluetooth@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Yang Li X-Mailer: b4 0.13-dev-f0463 X-Developer-Signature: v=1; a=ed25519-sha256; t=1751456149; l=982; i=yang.li@amlogic.com; s=20240418; h=from:subject:message-id; bh=KHMGQKsMq1ealL3OXyoBth/L4LOJjuWSriffKLAfOLM=; b=/XSCa4bHVCWY+eq/QxDxP2198DpIAxIIYl+i0/OLzyiR//vXWJO4ymOsMxYq+VWerTZC7XiS5 fr079bqjNMVCLDw9rVIMzKlGfuxrsKYSwq4LMm4pJjo7jybc0sEvAE+ X-Developer-Key: i=yang.li@amlogic.com; a=ed25519; pk=86OaNWMr3XECW9HGNhkJ4HdR2eYA5SEAegQ3td2UCCs= X-Endpoint-Received: by B4 Relay for yang.li@amlogic.com/20240418 with auth_id=180 X-Original-From: Yang Li Reply-To: yang.li@amlogic.com From: Yang Li User-space applications (e.g., PipeWire) depend on ISO-formatted timestamps for precise audio sync. Signed-off-by: Yang Li --- Changes in v2: - Support SOCK_RCVTSTAMPNS via CMSG for ISO sockets - Link to v1: https://lore.kernel.org/r/20250429-iso_ts-v1-1-e586f30de6cb@a= mlogic.com --- net/bluetooth/iso.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c index fc22782cbeeb..6927c593a1d6 100644 --- a/net/bluetooth/iso.c +++ b/net/bluetooth/iso.c @@ -2308,6 +2308,9 @@ void iso_recv(struct hci_conn *hcon, struct sk_buff *= skb, u16 flags) goto drop; } =20 + /* Record the timestamp to skb*/ + skb->skb_mstamp_ns =3D le32_to_cpu(hdr->ts); + len =3D __le16_to_cpu(hdr->slen); } else { struct hci_iso_data_hdr *hdr; --- base-commit: 3bc46213b81278f3a9df0324768e152de71eb9fe change-id: 20250421-iso_ts-c82a300ae784 Best regards, --=20 Yang Li