From patchwork Thu Mar 26 05:39:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abhishek Pandit-Subedi X-Patchwork-Id: 221831 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=-9.9 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 53752C2D0EC for ; Thu, 26 Mar 2020 05:42:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 25CB2206E6 for ; Thu, 26 Mar 2020 05:42:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="Gav9O9yd" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727656AbgCZFmK (ORCPT ); Thu, 26 Mar 2020 01:42:10 -0400 Received: from mail-pf1-f194.google.com ([209.85.210.194]:41719 "EHLO mail-pf1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727612AbgCZFmI (ORCPT ); Thu, 26 Mar 2020 01:42:08 -0400 Received: by mail-pf1-f194.google.com with SMTP id z65so2228913pfz.8 for ; Wed, 25 Mar 2020 22:42:06 -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:in-reply-to:references :mime-version:content-transfer-encoding; bh=GAtp02xkzcXTpQVd6eNZ6e9QAobCmX4PQ/bu6ncX+V8=; b=Gav9O9ydwdK++YUnd3IMS6cNflMzwIphGTaGQJBtPJx+iXD2x0HBVJYtMggTQZlnZQ Ed4lwh6OvbtumiMpLwpLntyFkFWb5GcSirNrgYv+WvnzvT2M7wrqEPqo4DP/ASZGd0/Q ix5lqjduBOwfPM7cxgUisfwdbx9i2xAAmPklA= 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=GAtp02xkzcXTpQVd6eNZ6e9QAobCmX4PQ/bu6ncX+V8=; b=pJqXMBp7SBzjvs+hq07ri5xpY8mB+t5ZLNSYI1KlttLl3lvTCky1qwqPQUFnb9+z9o qIlYyc8rWLXwX8NGIiD/fw9w2Rilfv7v07HfH3CEbIJv9UZVypru1uQHt4EQfNxavwUF Zh/46erKLg0EPNRd8tRc/BJSLnl9lE7eTrGaTSg3EGH5+ZCEYfyhgyO1PITEoU8lXYO/ FJvKAzFQyQiJZLKkRknTkFcebdiq9iXznAMGGL2ptsOOBXEXERQun8FdD+pcvWJem5n5 95D8+k7weru1/K+c/NWUi8jCAQopHFvdU98Gmz6A3LkdOIr1NObY6dtyqolCDKDvU035 q5EQ== X-Gm-Message-State: ANhLgQ1K5v86NNUHjTeSr8G0E5Xhnp+h10GcMHOlZl6/hr0k2f09Kn4N EQ/MXBitRNblf9mduEx/ztvLJQ== X-Google-Smtp-Source: ADFU+vsZgMeDCxKHPHjGYbZhk8LncJ1ytMqCvgZsIcf8XqiYbTF3nFfv9g0EuUyt27Crks0bIfsmHg== X-Received: by 2002:a62:ce8a:: with SMTP id y132mr7013942pfg.163.1585201326283; Wed, 25 Mar 2020 22:42:06 -0700 (PDT) Received: from apsdesk.mtv.corp.google.com ([2620:15c:202:1:e09a:8d06:a338:aafb]) by smtp.gmail.com with ESMTPSA id b3sm710855pgs.69.2020.03.25.22.42.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Mar 2020 22:42:05 -0700 (PDT) From: Abhishek Pandit-Subedi To: marcel@holtmann.org Cc: linux-bluetooth@vger.kernel.org, chromeos-bluetooth-upstreaming@chromium.org, Abhishek Pandit-Subedi , "David S. Miller" , Johan Hedberg , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Jakub Kicinski Subject: [PATCH 1/1] Bluetooth: Update add_device with wakeable actions Date: Wed, 25 Mar 2020 22:39:17 -0700 Message-Id: <20200325223803.1.I196e4af9cde6c6e6aa7102906722cb9df8c80a7b@changeid> X-Mailer: git-send-email 2.25.1.696.g5e7596f4ac-goog In-Reply-To: <20200326053917.65024-1-abhishekpandit@chromium.org> References: <20200326053917.65024-1-abhishekpandit@chromium.org> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add new actions to add_device to allow it to set or unset a device as wakeable. When the set wakeable and unset wakeable actions are used, the autoconnect property is not updated and the device is not added to the whitelist (if BR/EDR). Signed-off-by: Abhishek Pandit-Subedi --- net/bluetooth/mgmt.c | 56 ++++++++++++++++++++++++++++++++++++-------- 1 file changed, 46 insertions(+), 10 deletions(-) diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 6552003a170e..8688673542b3 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -5775,6 +5775,7 @@ static int add_device(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) { struct mgmt_cp_add_device *cp = data; + struct hci_conn_params *params; u8 auto_conn, addr_type; int err; @@ -5786,7 +5787,7 @@ static int add_device(struct sock *sk, struct hci_dev *hdev, MGMT_STATUS_INVALID_PARAMS, &cp->addr, sizeof(cp->addr)); - if (cp->action != 0x00 && cp->action != 0x01 && cp->action != 0x02) + if (cp->action > 0x04) return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE, MGMT_STATUS_INVALID_PARAMS, &cp->addr, sizeof(cp->addr)); @@ -5794,8 +5795,35 @@ static int add_device(struct sock *sk, struct hci_dev *hdev, hci_dev_lock(hdev); if (cp->addr.type == BDADDR_BREDR) { - /* Only incoming connections action is supported for now */ - if (cp->action != 0x01) { + switch (cp->action) { + case 0x3: + /* Set wakeable */ + err = hci_bdaddr_list_add(&hdev->wakeable, + &cp->addr.bdaddr, + cp->addr.type); + if (err && err != -EEXIST) + goto unlock; + break; + case 0x4: + /* Remove wakeable */ + err = hci_bdaddr_list_del(&hdev->wakeable, + &cp->addr.bdaddr, + cp->addr.type); + if (err) + goto unlock; + + break; + case 0x1: + /* Allow incoming connection */ + err = hci_bdaddr_list_add(&hdev->whitelist, + &cp->addr.bdaddr, + cp->addr.type); + if (err && err != -EEXIST) + goto unlock; + + hci_req_update_scan(hdev); + break; + default: err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE, MGMT_STATUS_INVALID_PARAMS, @@ -5803,13 +5831,6 @@ static int add_device(struct sock *sk, struct hci_dev *hdev, goto unlock; } - err = hci_bdaddr_list_add(&hdev->whitelist, &cp->addr.bdaddr, - cp->addr.type); - if (err) - goto unlock; - - hci_req_update_scan(hdev); - goto added; } @@ -5834,6 +5855,21 @@ static int add_device(struct sock *sk, struct hci_dev *hdev, goto unlock; } + /* Only allow wakeable property to be set/unset on existing device */ + if (cp->action == 0x03 || cp->action == 0x04) { + params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr, + addr_type); + if (!params) { + err = mgmt_cmd_complete(sk, hdev->id, + MGMT_OP_ADD_DEVICE, + MGMT_STATUS_FAILED, &cp->addr, + sizeof(cp->addr)); + } + + params->wakeable = cp->action == 0x03; + goto added; + } + /* If the connection parameters don't exist for this device, * they will be created and configured with defaults. */