From patchwork Wed Mar 18 21:51:24 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luiz Augusto von Dentz X-Patchwork-Id: 11446141 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 15DD514B4 for ; Wed, 18 Mar 2020 21:51:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EA3A220772 for ; Wed, 18 Mar 2020 21:51:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="j2py525b" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727177AbgCRVvc (ORCPT ); Wed, 18 Mar 2020 17:51:32 -0400 Received: from mail-pl1-f193.google.com ([209.85.214.193]:37067 "EHLO mail-pl1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727132AbgCRVvc (ORCPT ); Wed, 18 Mar 2020 17:51:32 -0400 Received: by mail-pl1-f193.google.com with SMTP id f16so94130plj.4 for ; Wed, 18 Mar 2020 14:51:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=Lg7nkN4mkSlGzt343AERUU8DxSDQ1y02ISUsPdPcwHY=; b=j2py525b4u7qXtRQcjGH8PvWFOuhkN+Hl3qf1SXXsNkQUK4hbJ2R8ZvFb1Dv2wNElO qvTZsBnOKCoQaGhsP15ewYhn/2GUKOy2hjpouDXA66UcmlGX5w5Ue05CMB1lN3OWiahf oqy21uXtJ07sefy4vgVqdXwn5xdmfcWXW2uy30EkviEhT4BPqDQGkhoJ4lohNzOJn0OI oj/5v8fOSiP7zOW4+wDwJVwSzOhyBrrFiRGYjjvRKtZKaldQKlPyVKAtujblw3SLVgIo pbEBOIBuNP1eUS+kkHI+zCnA8yigJZtsp6QDlAPxnStbqLyskjISQPC8xVowohsqUleW l5CQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Lg7nkN4mkSlGzt343AERUU8DxSDQ1y02ISUsPdPcwHY=; b=iunVRrUiUxYslQaTEbEUggwDCLdAKVHIK8pXqnPEi22iuybDMwNKi7HKAosGTNUYiZ 5s4iPCtlY8JRkvzo+FBfO+NJqvjYCQ5mF0WE/4w+HafYDpgdDcif9YEOKUI70YF24Wjd Tj1gOo4Gn/ikmjfGgu8MTKhCJ+QNzeoQd3W5BhY8jInA58Psg6g0XwzxBmm7d65njNma g8qK499fWZvv3GIrP2sPpyaEANi2G19bTAKmXssHSflAhVEmuxbG0D9QNORcqbY9Q4lj Oa+MG6pT4saqsWuDFORU/ThwiPMVDehZi/1bU3847e2+H7YbEg6+LN22RqNi3a5U05Wg UUzg== X-Gm-Message-State: ANhLgQ1tycqW+aP95CerUrryim6nIOYWQmvxsXM5fGiHVBF0l+55gihL jwS25777baCHaJySMrPQqnOlcM4F X-Google-Smtp-Source: ADFU+vsKmUfJuGdbVN+B8ZoIfX0ODLQtOylzl6B4/rJiRIXJThJV26W3PUO5+2izMTOiX4aDc4dbdg== X-Received: by 2002:a17:90a:a891:: with SMTP id h17mr274498pjq.182.1584568291096; Wed, 18 Mar 2020 14:51:31 -0700 (PDT) Received: from localhost.localdomain (c-71-56-157-77.hsd1.or.comcast.net. [71.56.157.77]) by smtp.gmail.com with ESMTPSA id r13sm83709pgf.1.2020.03.18.14.51.30 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Mar 2020 14:51:30 -0700 (PDT) From: Luiz Augusto von Dentz To: linux-bluetooth@vger.kernel.org Subject: [PATCH v3 6/6] gatt: Enable connecting to EATT channel using Ext-Flowctl mode Date: Wed, 18 Mar 2020 14:51:24 -0700 Message-Id: <20200318215124.21880-6-luiz.dentz@gmail.com> X-Mailer: git-send-email 2.21.1 In-Reply-To: <20200318215124.21880-1-luiz.dentz@gmail.com> References: <20200318215124.21880-1-luiz.dentz@gmail.com> MIME-Version: 1.0 Sender: linux-bluetooth-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org From: Luiz Augusto von Dentz This makes use of BT_IO_MODE_EXT_FLOWCTL to connect to EATT channels. --- src/gatt-client.c | 34 +++++++++++++++++++++++++++++----- 1 file changed, 29 insertions(+), 5 deletions(-) diff --git a/src/gatt-client.c b/src/gatt-client.c index 20efb7ae9..a9bfc2802 100644 --- a/src/gatt-client.c +++ b/src/gatt-client.c @@ -2182,9 +2182,13 @@ static void eatt_connect(struct btd_gatt_client *client) ba2str(device_get_address(dev), addr); - DBG("Connection attempt to: %s", addr); - for (i = bt_att_get_channels(att); i < main_opts.gatt_channels; i++) { + int defer_timeout = i + 1 < main_opts.gatt_channels ? 1 : 0; + + DBG("Connection attempt to: %s defer %s", addr, + defer_timeout ? "true" : "false"); + + /* Attempt to connect using the Ext-Flowctl */ io = bt_io_connect(eatt_connect_cb, client, NULL, &gerr, BT_IO_OPT_SOURCE_BDADDR, btd_adapter_get_address(adapter), @@ -2194,15 +2198,35 @@ static void eatt_connect(struct btd_gatt_client *client) device_get_address(dev), BT_IO_OPT_DEST_TYPE, device_get_le_address_type(dev), + BT_IO_OPT_MODE, BT_IO_MODE_EXT_FLOWCTL, BT_IO_OPT_PSM, BT_ATT_EATT_PSM, BT_IO_OPT_SEC_LEVEL, BT_IO_SEC_LOW, BT_IO_OPT_MTU, main_opts.gatt_mtu, + BT_IO_OPT_DEFER_TIMEOUT, defer_timeout, BT_IO_OPT_INVALID); if (!io) { - error("EATT bt_io_connect(%s): %s", addr, - gerr->message); g_error_free(gerr); - return; + gerr = NULL; + /* Fallback to legacy LE Mode */ + io = bt_io_connect(eatt_connect_cb, client, NULL, &gerr, + BT_IO_OPT_SOURCE_BDADDR, + btd_adapter_get_address(adapter), + BT_IO_OPT_SOURCE_TYPE, + btd_adapter_get_address_type(adapter), + BT_IO_OPT_DEST_BDADDR, + device_get_address(dev), + BT_IO_OPT_DEST_TYPE, + device_get_le_address_type(dev), + BT_IO_OPT_PSM, BT_ATT_EATT_PSM, + BT_IO_OPT_SEC_LEVEL, BT_IO_SEC_LOW, + BT_IO_OPT_MTU, main_opts.gatt_mtu, + BT_IO_OPT_INVALID); + if (!io) { + error("EATT bt_io_connect(%s): %s", addr, + gerr->message); + g_error_free(gerr); + return; + } } g_io_channel_unref(io);