From patchwork Thu Jul 21 23:22:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brian Gix X-Patchwork-Id: 592890 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 4138CCCA485 for ; Thu, 21 Jul 2022 23:22:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233539AbiGUXWn (ORCPT ); Thu, 21 Jul 2022 19:22:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43700 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233463AbiGUXWm (ORCPT ); Thu, 21 Jul 2022 19:22:42 -0400 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6CE148E4FD for ; Thu, 21 Jul 2022 16:22:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1658445761; x=1689981761; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=E++36aR2JhwqMEUJTQwaWSgLCe/xBRTUIgSDTm3T7NU=; b=ZFy8Ow86SvL4vnP/FGVAMmVvj2YlWl19d4cjnNV8DyK2j1Gz6befoD0f FTvta6yAASKNc4K5wnR7ygS3Le5oPi8XgJIsOeRCzxw0vooZb4H2NMmZ8 5z/8/yDmNd4OQbGotRhv4z0fBjXl20/lUbr74a7bHeC2roL0JcEA4wp7g g4DdaULEjxyA9qsSzxdRyW+RJKusCrpd2LMXwfKesUSX0kj19XZyXEdde v9NGyjaCD+Q5QdTSD5yx4xiyP0OvSz7tgnLSp3ZrOuVfZuiGAXf9QMuHY f9At3r/jDmBXvcZGidZ0hE6zMtd6ZXdMR/ae5qbx+9H8Xz2fTOeKwkLDt g==; X-IronPort-AV: E=McAfee;i="6400,9594,10415"; a="312912923" X-IronPort-AV: E=Sophos;i="5.93,184,1654585200"; d="scan'208";a="312912923" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jul 2022 16:22:40 -0700 X-IronPort-AV: E=Sophos;i="5.93,184,1654585200"; d="scan'208";a="631363095" Received: from chialing-mobl.amr.corp.intel.com (HELO bgi1-mobl2.amr.corp.intel.com) ([10.213.171.1]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jul 2022 16:22:40 -0700 From: Brian Gix To: linux-bluetooth@vger.kernel.org Cc: marcel@holtmann.org, luiz.dentz@gmail.com, brian.gix@intel.com Subject: [PATCH v2 3/3] Bluetooth: Convert delayed discov_off to hci_sync Date: Thu, 21 Jul 2022 16:22:25 -0700 Message-Id: <20220721232225.624426-4-brian.gix@intel.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220721232225.624426-1-brian.gix@intel.com> References: <20220721232225.624426-1-brian.gix@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org The timed ending of Discoverability was handled in hci_requst.c, with calls using the deprecated hci_req_add() mechanism. Converted to live inside mgmt.c using the same delayed work queue, but with hci_sync version of hci_update_discoverable(). Signed-off-by: Brian Gix --- net/bluetooth/hci_request.c | 89 ------------------------------------- net/bluetooth/mgmt.c | 33 ++++++++++++++ 2 files changed, 33 insertions(+), 89 deletions(-) diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c index 3257f0f588cd..f6b2e605159d 100644 --- a/net/bluetooth/hci_request.c +++ b/net/bluetooth/hci_request.c @@ -1875,69 +1875,6 @@ void __hci_req_update_class(struct hci_request *req) hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod); } -static void write_iac(struct hci_request *req) -{ - struct hci_dev *hdev = req->hdev; - struct hci_cp_write_current_iac_lap cp; - - if (!hci_dev_test_flag(hdev, HCI_DISCOVERABLE)) - return; - - if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE)) { - /* Limited discoverable mode */ - cp.num_iac = min_t(u8, hdev->num_iac, 2); - cp.iac_lap[0] = 0x00; /* LIAC */ - cp.iac_lap[1] = 0x8b; - cp.iac_lap[2] = 0x9e; - cp.iac_lap[3] = 0x33; /* GIAC */ - cp.iac_lap[4] = 0x8b; - cp.iac_lap[5] = 0x9e; - } else { - /* General discoverable mode */ - cp.num_iac = 1; - cp.iac_lap[0] = 0x33; /* GIAC */ - cp.iac_lap[1] = 0x8b; - cp.iac_lap[2] = 0x9e; - } - - hci_req_add(req, HCI_OP_WRITE_CURRENT_IAC_LAP, - (cp.num_iac * 3) + 1, &cp); -} - -static int discoverable_update(struct hci_request *req, unsigned long opt) -{ - struct hci_dev *hdev = req->hdev; - - hci_dev_lock(hdev); - - if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) { - write_iac(req); - __hci_req_update_scan(req); - __hci_req_update_class(req); - } - - /* Advertising instances don't use the global discoverable setting, so - * only update AD if advertising was enabled using Set Advertising. - */ - if (hci_dev_test_flag(hdev, HCI_ADVERTISING)) { - __hci_req_update_adv_data(req, 0x00); - - /* Discoverable mode affects the local advertising - * address in limited privacy mode. - */ - if (hci_dev_test_flag(hdev, HCI_LIMITED_PRIVACY)) { - if (ext_adv_capable(hdev)) - __hci_req_start_ext_adv(req, 0x00); - else - __hci_req_enable_advertising(req); - } - } - - hci_dev_unlock(hdev); - - return 0; -} - void __hci_abort_conn(struct hci_request *req, struct hci_conn *conn, u8 reason) { @@ -2307,33 +2244,8 @@ int hci_req_configure_datapath(struct hci_dev *hdev, struct bt_codec *codec) return err; } -static void discov_off(struct work_struct *work) -{ - struct hci_dev *hdev = container_of(work, struct hci_dev, - discov_off.work); - - bt_dev_dbg(hdev, ""); - - hci_dev_lock(hdev); - - /* When discoverable timeout triggers, then just make sure - * the limited discoverable flag is cleared. Even in the case - * of a timeout triggered from general discoverable, it is - * safe to unconditionally clear the flag. - */ - hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE); - hci_dev_clear_flag(hdev, HCI_DISCOVERABLE); - hdev->discov_timeout = 0; - - hci_dev_unlock(hdev); - - hci_req_sync(hdev, discoverable_update, 0, HCI_CMD_TIMEOUT, NULL); - mgmt_new_settings(hdev); -} - void hci_request_setup(struct hci_dev *hdev) { - INIT_DELAYED_WORK(&hdev->discov_off, discov_off); INIT_DELAYED_WORK(&hdev->le_scan_disable, le_scan_disable_work); INIT_DELAYED_WORK(&hdev->le_scan_restart, le_scan_restart_work); INIT_DELAYED_WORK(&hdev->adv_instance_expire, adv_timeout_expire); @@ -2344,7 +2256,6 @@ void hci_request_cancel_all(struct hci_dev *hdev) { __hci_cmd_sync_cancel(hdev, ENODEV); - cancel_delayed_work_sync(&hdev->discov_off); cancel_delayed_work_sync(&hdev->le_scan_disable); cancel_delayed_work_sync(&hdev->le_scan_restart); diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index c6750abb0ca2..b1541118dcdc 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -1023,11 +1023,39 @@ static void rpa_expired(struct work_struct *work) hci_cmd_sync_queue(hdev, rpa_expired_sync, NULL, NULL); } +static void discov_off(struct work_struct *work) +{ + struct hci_dev *hdev = container_of(work, struct hci_dev, + discov_off.work); + + bt_dev_dbg(hdev, ""); + + hci_dev_lock(hdev); + + /* When discoverable timeout triggers, then just make sure + * the limited discoverable flag is cleared. Even in the case + * of a timeout triggered from general discoverable, it is + * safe to unconditionally clear the flag. + */ + hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE); + hci_dev_clear_flag(hdev, HCI_DISCOVERABLE); + hdev->discov_timeout = 0; + + hci_update_discoverable(hdev); + + mgmt_new_settings(hdev); + + hci_dev_unlock(hdev); +} + static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev) { if (hci_dev_test_and_set_flag(hdev, HCI_MGMT)) return; + BT_INFO("MGMT ver %d.%d", MGMT_VERSION, MGMT_REVISION); + + INIT_DELAYED_WORK(&hdev->discov_off, discov_off); INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off); INIT_DELAYED_WORK(&hdev->rpa_expired, rpa_expired); @@ -8875,6 +8903,11 @@ void mgmt_index_removed(struct hci_dev *hdev) mgmt_index_event(MGMT_EV_EXT_INDEX_REMOVED, hdev, &ev, sizeof(ev), HCI_MGMT_EXT_INDEX_EVENTS); + + /* Cancel any remaining timed work */ + cancel_delayed_work_sync(&hdev->discov_off); + cancel_delayed_work_sync(&hdev->service_cache); + cancel_delayed_work_sync(&hdev->rpa_expired); } void mgmt_power_on(struct hci_dev *hdev, int err)