From patchwork Tue Jan 7 08:48:35 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ankit Navik X-Patchwork-Id: 197528 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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, 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 8C831C33C99 for ; Tue, 7 Jan 2020 08:48:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 59CCC206DB for ; Tue, 7 Jan 2020 08:48:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726492AbgAGIs5 (ORCPT ); Tue, 7 Jan 2020 03:48:57 -0500 Received: from mga12.intel.com ([192.55.52.136]:10239 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725801AbgAGIs4 (ORCPT ); Tue, 7 Jan 2020 03:48:56 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Jan 2020 00:48:55 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,405,1571727600"; d="scan'208";a="223113177" Received: from unknown (HELO localhost.localdomain) ([10.223.165.29]) by orsmga003.jf.intel.com with ESMTP; 07 Jan 2020 00:48:54 -0800 From: Ankit Navik To: linux-bluetooth@vger.kernel.org Subject: [PATCH] Bleutooth: Add definitions for LE Read Tx Power Date: Tue, 7 Jan 2020 14:18:35 +0530 Message-Id: <1578386915-1524-1-git-send-email-ankit.p.navik@intel.com> X-Mailer: git-send-email 2.7.4 Sender: linux-bluetooth-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org Add the definitions for LE read transmit power HCI commands to read the minimum and maximum Tx power. Signed-off-by: Ankit Navik --- include/net/bluetooth/hci.h | 7 +++++++ include/net/bluetooth/hci_core.h | 3 +++ net/bluetooth/hci_event.c | 18 ++++++++++++++++++ 3 files changed, 28 insertions(+) diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index 07b6ece..6e8805f 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -1641,6 +1641,13 @@ struct hci_cp_le_ext_conn_param { __le16 max_ce_len; } __packed; +#define HCI_OP_LE_READ_TX_POWER 0x204b +struct hci_rp_le_read_tx_power { + __u8 status; + __s8 min_tx_power; + __s8 max_tx_power; +} __packed; + #define HCI_OP_LE_READ_NUM_SUPPORTED_ADV_SETS 0x203b struct hci_rp_le_read_num_supported_adv_sets { __u8 status; diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index faebe38..88c6e55 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -418,6 +418,9 @@ struct hci_dev { __u8 scan_rsp_data[HCI_MAX_AD_LENGTH]; __u8 scan_rsp_data_len; + __s8 min_tx_power; + __s8 max_tx_power; + struct list_head adv_instances; unsigned int adv_instance_cnt; __u8 cur_adv_instance; diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 6ddc4a7..fc154cf 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -988,6 +988,20 @@ static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev, hdev->adv_tx_power = rp->tx_power; } +static void hci_cc_le_read_tx_power(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_le_read_tx_power *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + if (rp->status) + return; + + hdev->min_tx_power = rp->min_tx_power; + hdev->max_tx_power = rp->max_tx_power; +} + static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_user_confirm_reply *rp = (void *) skb->data; @@ -3414,6 +3428,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb, hci_cc_le_read_max_data_len(hdev, skb); break; + case HCI_OP_LE_READ_TX_POWER: + hci_cc_le_read_tx_power(hdev, skb); + break; + case HCI_OP_WRITE_LE_HOST_SUPPORTED: hci_cc_write_le_host_supported(hdev, skb); break;