From patchwork Tue Mar 23 18:55:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yu Liu X-Patchwork-Id: 12159069 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-26.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 950DDC433DB for ; Tue, 23 Mar 2021 18:55:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 63B52619C6 for ; Tue, 23 Mar 2021 18:55:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231955AbhCWSz1 (ORCPT ); Tue, 23 Mar 2021 14:55:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50402 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232575AbhCWSzI (ORCPT ); Tue, 23 Mar 2021 14:55:08 -0400 Received: from mail-qk1-x749.google.com (mail-qk1-x749.google.com [IPv6:2607:f8b0:4864:20::749]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3EFB1C061763 for ; Tue, 23 Mar 2021 11:55:06 -0700 (PDT) Received: by mail-qk1-x749.google.com with SMTP id c7so2670928qka.6 for ; Tue, 23 Mar 2021 11:55:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:message-id:mime-version:subject:from:to:cc; bh=RYIeg+FAZo3N58AkdDKWG73SSjjPsdnT5WfpGKmyRWc=; b=MenOAbW8u/FEj1QE4zVvDCRZ3GxvMYxHAqW/vQq1Otd/70qUmEd+Epa4Fr/Dul15+M EdpQqtmL3TaqapOrXmNEUDv2bxPuNniHwyodHkRl05h94uYjYIaMz/gpUfzCS5XEXqKo Is1CoCpXx0H11blhGVhdIAxQLJPMsPvgB47eKtnzVFguZPC3aHgC9VgEko/q96AEzF+A IvfQ6Af5wUoN5ctwn+F3LrI4Map1O26i3DAwxU6GazWtPDMp3mhMlMIEm4xJxQDYZ+02 JAMtyR3mz9fAi0rz7ALfg6YGlcP7RtmATbMU5wSgpg+TW1ISXRWUSa7y7qqBEiyx8dIs BCdw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=RYIeg+FAZo3N58AkdDKWG73SSjjPsdnT5WfpGKmyRWc=; b=Jk73MJayp641QDLBJychz2BIDtdgnERlQd4hGgwbRpW+WVmUAEeYoYnLLx3+zvdali +7ZlP2pgoPeUnKWhIjubkj+zowxyXdqHF0WsfTDgISHLLUO9uhe4QMAzRC4/LEfRUu/6 Sk8LdBUSu4xp6nB9cf/Fy7NrbnO/NA4JNdcaTOeuT1+o5ZbwFSZWBirZLif+0rmy1yJ/ sj7UzjdahqbdSfU9QAdVqjPpO1izw4GFijoNGH8fB9+Qmh8jTt1aCvi9PdiOn2Ttmeoy XVq47toPx2qwnxkiYGdLtNqc3blEM/1C0E7wfPwfCjXcH/EJtE6s2fazrxRdbrC6sE3d f0yA== X-Gm-Message-State: AOAM531J40G2hQepS+csdLF2wqvoXPZTL9UFFdpdbHc0metKeqYHVtqn 9e17UJjfzLBaQiq2iVwoaYrwK8FfzqmNEtR8ZKEZ9Gv7+VG56E+eX/Wsu0QhstGLGJnX0k++pnM 9QHeXrl9maoLB787YPUKryi6qrfB+Kk+Z+ovC4uxVGaZ1psWOO6o90cE2MAglvIFB477i0ztYw5 aT X-Google-Smtp-Source: ABdhPJydufRLpAYUkWP7OAc5HCE53zn6a0Riy08NSpBqvYAYyUrCb2Y2cjgPOPoQcWq1/INhwREoRisU0Zt4 X-Received: from yudiliu.mtv.corp.google.com ([2620:15c:202:201:a916:b584:a08a:3fcd]) (user=yudiliu job=sendgmr) by 2002:a05:6214:12a1:: with SMTP id w1mr6227626qvu.57.1616525705227; Tue, 23 Mar 2021 11:55:05 -0700 (PDT) Date: Tue, 23 Mar 2021 11:55:01 -0700 Message-Id: <20210323115459.v1.1.I3f19b22d6eaaa182123e373a9fa1fa85105aba07@changeid> Mime-Version: 1.0 X-Mailer: git-send-email 2.31.0.291.g576ba9dcdaf-goog Subject: [PATCH v1] Bluetooth: Return whether a connection is outbound From: Yu Liu To: linux-bluetooth@vger.kernel.org, marcel@holtmann.org, chromeos-bluetooth-upstreaming@chromium.org Cc: Yu Liu , Miao-chen Chou , Alain Michaud , "David S. Miller" , Jakub Kicinski , Johan Hedberg , Luiz Augusto von Dentz , linux-kernel@vger.kernel.org, netdev@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org When an MGMT_EV_DEVICE_CONNECTED event is reported back to the user space we will set the flags to tell if the established connection is outbound or not. This is useful for the user space to log better metrics and error messages. Reviewed-by: Miao-chen Chou Reviewed-by: Alain Michaud Signed-off-by: Yu Liu --- Changes in v1: - Initial change include/net/bluetooth/mgmt.h | 2 ++ net/bluetooth/mgmt.c | 5 +++++ 2 files changed, 7 insertions(+) diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h index a7cffb069565..d66bc6938b58 100644 --- a/include/net/bluetooth/mgmt.h +++ b/include/net/bluetooth/mgmt.h @@ -885,6 +885,8 @@ struct mgmt_ev_new_long_term_key { struct mgmt_ltk_info key; } __packed; +#define MGMT_DEV_CONN_DIRECTION_OUT 0x01 + #define MGMT_EV_DEVICE_CONNECTED 0x000B struct mgmt_ev_device_connected { struct mgmt_addr_info addr; diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 90334ac4a135..fc0ff6dc7ebf 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -8772,6 +8772,11 @@ void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn, bacpy(&ev->addr.bdaddr, &conn->dst); ev->addr.type = link_to_bdaddr(conn->type, conn->dst_type); + if (conn->out) + flags |= MGMT_DEV_CONN_DIRECTION_OUT; + else + flags &= ~MGMT_DEV_CONN_DIRECTION_OUT; + ev->flags = __cpu_to_le32(flags); /* We must ensure that the EIR Data fields are ordered and