From patchwork Wed May 6 07:57:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marcel Holtmann X-Patchwork-Id: 197043 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=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT 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 201C3C4724C for ; Wed, 6 May 2020 07:58:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0341C20714 for ; Wed, 6 May 2020 07:58:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728440AbgEFH6B (ORCPT ); Wed, 6 May 2020 03:58:01 -0400 Received: from coyote.holtmann.net ([212.227.132.17]:42513 "EHLO mail.holtmann.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728417AbgEFH6A (ORCPT ); Wed, 6 May 2020 03:58:00 -0400 Received: from localhost.localdomain (p4FEFC5A7.dip0.t-ipconnect.de [79.239.197.167]) by mail.holtmann.org (Postfix) with ESMTPSA id A2383CED05 for ; Wed, 6 May 2020 10:07:40 +0200 (CEST) From: Marcel Holtmann To: linux-bluetooth@vger.kernel.org Subject: [PATCH v3 4/7] Bluetooth: Introduce HCI_MGMT_HDEV_OPTIONAL option Date: Wed, 6 May 2020 09:57:49 +0200 Message-Id: <32fc749671997c463575394666b2e003917355f5.1588751831.git.marcel@holtmann.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: References: <4470adb873fbc0f5874038e1d99a63df3a7b59b8.1588751831.git.marcel@holtmann.org> <15b523289abcb258505f094dc2c26f317bd9caa5.1588751831.git.marcel@holtmann.org> MIME-Version: 1.0 Sender: linux-bluetooth-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org When setting HCI_MGMT_HDEV_OPTIONAL it is possible to target a specific conntroller or a global interface. Signed-off-by: Marcel Holtmann --- include/net/bluetooth/hci_core.h | 1 + net/bluetooth/hci_sock.c | 12 +++++++----- 2 files changed, 8 insertions(+), 5 deletions(-) diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 239ab72f16c6..0c7f3ad76665 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -1554,6 +1554,7 @@ void hci_sock_dev_event(struct hci_dev *hdev, int event); #define HCI_MGMT_NO_HDEV BIT(1) #define HCI_MGMT_UNTRUSTED BIT(2) #define HCI_MGMT_UNCONFIGURED BIT(3) +#define HCI_MGMT_HDEV_OPTIONAL BIT(4) struct hci_mgmt_handler { int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c index 9c4a093f8960..caf38a8ea6a8 100644 --- a/net/bluetooth/hci_sock.c +++ b/net/bluetooth/hci_sock.c @@ -1579,11 +1579,13 @@ static int hci_mgmt_cmd(struct hci_mgmt_chan *chan, struct sock *sk, } } - no_hdev = (handler->flags & HCI_MGMT_NO_HDEV); - if (no_hdev != !hdev) { - err = mgmt_cmd_status(sk, index, opcode, - MGMT_STATUS_INVALID_INDEX); - goto done; + if (!(handler->flags & HCI_MGMT_HDEV_OPTIONAL)) { + no_hdev = (handler->flags & HCI_MGMT_NO_HDEV); + if (no_hdev != !hdev) { + err = mgmt_cmd_status(sk, index, opcode, + MGMT_STATUS_INVALID_INDEX); + goto done; + } } var_len = (handler->flags & HCI_MGMT_VAR_LEN);