From patchwork Wed Jul 1 21:08:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alain Michaud X-Patchwork-Id: 11637257 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 029B213BD for ; Wed, 1 Jul 2020 21:09:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D5B7620720 for ; Wed, 1 Jul 2020 21:09:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="m4oeAeMQ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726865AbgGAVJA (ORCPT ); Wed, 1 Jul 2020 17:09:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56526 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725847AbgGAVI7 (ORCPT ); Wed, 1 Jul 2020 17:08:59 -0400 Received: from mail-ua1-x941.google.com (mail-ua1-x941.google.com [IPv6:2607:f8b0:4864:20::941]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9ACBCC08C5C1 for ; Wed, 1 Jul 2020 14:08:59 -0700 (PDT) Received: by mail-ua1-x941.google.com with SMTP id b24so702790uak.2 for ; Wed, 01 Jul 2020 14:08:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=Ka+PnVHK/1B/CrRrAZfYxcFHrqbNySjfxP7d7NkszAU=; b=m4oeAeMQkY62Y9pJCbsP2LJM44KZ2NxAjS1RZqeUD+uY9llI00BqEAcix5XIm//OCA Jkj6we/QqJ7VgCfsjBN/PL+RtDETarYm+q4hoYwc6vJ7eAMM76MM0VmSQ3o7uQcC2ulM 503PhAYUeTyD/tn3+KWz/LaZyRGGxgk/LAJOE= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=Ka+PnVHK/1B/CrRrAZfYxcFHrqbNySjfxP7d7NkszAU=; b=MoWT9Nwugxw8z9eOjkZv3n9Xz0gfX2Hg4V1rqTnsaj8OZNRTDOFh8DiUwsakaloYT3 RVQigmsNxMQwZwjrDA0SuJqn3cnpT4U5RNwvFx4sEhD7QjUiYOqmzvtbIl4oz6rLaMg5 k2h2FJ2u2JlZeEpNmwVqLC39tAad1i48EmtBMZ/AsxjrPlt1oHcmDpenKP+MlHPZsKpi u9Mo5P22hZ70fgDdQZeywdqVU/sBYAy6HcOvxIiNID0/T8zGaNZlv2+10VjK8JHQmG1C FhiQ2ZgJ63OYVe0C0tYQQCzCAehiKZ6CSqHKeFZwxRLtNlv/TO6j/2duVWGJ3uV0In0r oMhw== X-Gm-Message-State: AOAM531r2/Solh+Ef/2MQfjoETHk/lCFHqhTWVK5/fOFfxnrpdixJFJo cuaRm1OMCarbYonhoVVoXvEjjNHAudM= X-Google-Smtp-Source: ABdhPJxLN0QM6HGgzDG6i9b4Dza95ez5N+UiN44S1w4R8cUTgXi/wWXRu4ExuMHMaeQRH/F0Fl9bDQ== X-Received: by 2002:a9f:260b:: with SMTP id 11mr19897956uag.49.1593637738606; Wed, 01 Jul 2020 14:08:58 -0700 (PDT) Received: from alain.c.googlers.com.com (252.177.243.35.bc.googleusercontent.com. [35.243.177.252]) by smtp.gmail.com with ESMTPSA id d200sm1148839vkd.16.2020.07.01.14.08.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Jul 2020 14:08:58 -0700 (PDT) From: Alain Michaud To: linux-bluetooth@vger.kernel.org Cc: Alain Michaud Subject: [PATCH v1] Bluetooth: le_simult_central_peripheral exp feature Date: Wed, 1 Jul 2020 21:08:55 +0000 Message-Id: <20200701210855.351671-1-alainm@chromium.org> X-Mailer: git-send-email 2.27.0.212.ge8ba1cc988-goog MIME-Version: 1.0 Sender: linux-bluetooth-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org This patch adds an le_simult_central_peripheral features which allows a clients to determine if the controller is able to support peripheral and central connections at the same time. Signed-off-by: Alain Michaud --- net/bluetooth/mgmt.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 5e9b9728eeac..b34547d7a897 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -3753,10 +3753,16 @@ static const u8 debug_uuid[16] = { }; #endif +/* 671b10b5-42c0-4696-9227-eb28d1b049d6 */ +static const u8 le_simult_central_peripheral[16] = { + 0xd6, 0x49, 0xb0, 0xd1, 0x28, 0xeb, 0x27, 0x92, + 0x96, 0x46, 0xc0, 0x42, 0xb5, 0x10, 0x1b, 0x67, +}; + static int read_exp_features_info(struct sock *sk, struct hci_dev *hdev, void *data, u16 data_len) { - char buf[42]; + char buf[44]; struct mgmt_rp_read_exp_features_info *rp = (void *)buf; u16 idx = 0; @@ -3774,6 +3780,13 @@ static int read_exp_features_info(struct sock *sk, struct hci_dev *hdev, } #endif + if (hdev && test_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks) && + (hdev->le_states[3] & 0x10)) { + memcpy(rp->features[idx].uuid, le_simult_central_peripheral, + sizeof(le_simult_central_peripheral)); + rp->features[idx].flags = cpu_to_le32(BIT(0)); + } + rp->feature_count = cpu_to_le16(idx); /* After reading the experimental features information, enable