From patchwork Fri Nov 19 08:20:25 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "K, Kiran" X-Patchwork-Id: 516979 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4C48AC433EF for ; Fri, 19 Nov 2021 08:15:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2E40361A55 for ; Fri, 19 Nov 2021 08:15:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234192AbhKSISY (ORCPT ); Fri, 19 Nov 2021 03:18:24 -0500 Received: from mga04.intel.com ([192.55.52.120]:1535 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234345AbhKSISW (ORCPT ); Fri, 19 Nov 2021 03:18:22 -0500 X-IronPort-AV: E=McAfee;i="6200,9189,10172"; a="233098431" X-IronPort-AV: E=Sophos;i="5.87,246,1631602800"; d="scan'208";a="233098431" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Nov 2021 00:15:20 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,246,1631602800"; d="scan'208";a="473468841" Received: from intel-lenovo-legion-y540-15irh-pg0.iind.intel.com ([10.224.186.95]) by orsmga002.jf.intel.com with ESMTP; 19 Nov 2021 00:15:19 -0800 From: Kiran K To: linux-bluetooth@vger.kernel.org Cc: ravishankar.srivatsa@intel.com, chethan.tumkur.narayan@intel.com, luiz.von.dentz@intel.com, Kiran K Subject: [PATCH v4 12/14] Bluetooth: Implment MSFT avdtp suspend command Date: Fri, 19 Nov 2021 13:50:25 +0530 Message-Id: <20211119082027.12809-12-kiran.k@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20211119082027.12809-1-kiran.k@intel.com> References: <20211119082027.12809-1-kiran.k@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org In a2dp offload use case, to suspend streaming, controller needs to sent MSFT avdtp suspend command. Allow BlueZ daemon to send MSFT avdtp suspend command via setsockopt. Signed-off-by: Kiran K Reviewed-by: Chethan T N Reviewed-by: Srivatsa Ravishankar --- net/bluetooth/msft.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/net/bluetooth/msft.c b/net/bluetooth/msft.c index e3f7503070a6..b505b32289f8 100644 --- a/net/bluetooth/msft.c +++ b/net/bluetooth/msft.c @@ -133,6 +133,12 @@ struct msft_cp_avdtp_start { __le16 avdtp_handle; } __packed; +#define MSFT_OP_AVDTP_SUSPEND 0x0A +struct msft_cp_avdtp_suspend { + u8 sub_opcode; + __le16 avdtp_handle; +} __packed; + static int __msft_add_monitor_pattern(struct hci_dev *hdev, struct adv_monitor *monitor); static int __msft_remove_monitor(struct hci_dev *hdev, @@ -903,6 +909,19 @@ static int msft_avdtp_start(struct hci_dev *hdev, struct sock *sk) return hci_send_cmd(hdev, MSFT_OP_AVDTP, sizeof(cmd), &cmd); } +static int msft_avdtp_suspend(struct hci_dev *hdev, struct sock *sk) +{ + struct msft_cp_avdtp_suspend cmd; + + if (!bt_sk(sk)->avdtp_handle) + return -EBADFD; + + cmd.sub_opcode = MSFT_OP_AVDTP_SUSPEND; + cmd.avdtp_handle = cpu_to_le16(bt_sk(sk)->avdtp_handle); + + return hci_send_cmd(hdev, MSFT_OP_AVDTP, sizeof(cmd), &cmd); +} + int msft_avdtp_cmd(struct hci_dev *hdev, struct l2cap_chan *chan, sockptr_t optval, int optlen, struct sock *sk) @@ -941,6 +960,10 @@ int msft_avdtp_cmd(struct hci_dev *hdev, struct l2cap_chan *chan, err = msft_avdtp_start(hdev, sk); break; + case MSFT_OP_AVDTP_SUSPEND: + err = msft_avdtp_suspend(hdev, sk); + break; + default: err = -EINVAL; bt_dev_err(hdev, "Invalid MSFT avdtp sub opcode = 0x%2.2x", @@ -999,6 +1022,7 @@ void msft_cc_avdtp(struct hci_dev *hdev, struct sk_buff *skb) break; case MSFT_OP_AVDTP_START: + case MSFT_OP_AVDTP_SUSPEND: break; default: