From patchwork Thu Jul 21 06:04:30 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: quic_zijuhu X-Patchwork-Id: 12924746 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6E725C433EF for ; Thu, 21 Jul 2022 06:04:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231889AbiGUGEu (ORCPT ); Thu, 21 Jul 2022 02:04:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54234 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231880AbiGUGEs (ORCPT ); Thu, 21 Jul 2022 02:04:48 -0400 Received: from alexa-out-sd-02.qualcomm.com (alexa-out-sd-02.qualcomm.com [199.106.114.39]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 747AF7AB1F; Wed, 20 Jul 2022 23:04:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1658383487; x=1689919487; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=9nQtO/fPv71V6tDx+aFymqLREpt/9U9gjQ9EAImTFuk=; b=q8/civg/a1lXDVpVQcDq1YUI2HTn9WBnlCktD7m464neuSaRJk6roE2U mVr37wDmg7aGfzFAspFw6aIGYvshIuaHkBa9DjwyPrelekLzsdiUiON/d wRjeIooAv4OeF/T/ZI1zv1wa4F4fUyfEYpJG0s2s3UNR3kpGFOeiJFQnW g=; Received: from unknown (HELO ironmsg03-sd.qualcomm.com) ([10.53.140.143]) by alexa-out-sd-02.qualcomm.com with ESMTP; 20 Jul 2022 23:04:47 -0700 X-QCInternal: smtphost Received: from unknown (HELO nasanex01a.na.qualcomm.com) ([10.52.223.231]) by ironmsg03-sd.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Jul 2022 23:04:47 -0700 Received: from zijuhu-gv.qualcomm.com (10.80.80.8) by nasanex01a.na.qualcomm.com (10.52.223.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Wed, 20 Jul 2022 23:04:43 -0700 From: Zijun Hu To: , , , , , , , , , CC: , , Subject: [PATCH v2 1/4] Bluetooth: hci_sync: Check LMP feature bit instead of quirk Date: Thu, 21 Jul 2022 14:04:30 +0800 Message-ID: <1658383473-32188-2-git-send-email-quic_zijuhu@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1658383473-32188-1-git-send-email-quic_zijuhu@quicinc.com> References: <1658383473-32188-1-git-send-email-quic_zijuhu@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01a.na.qualcomm.com (10.52.223.231) Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org BT core driver should addtionally check LMP feature bit "Erroneous Data Reporting" instead of quirk HCI_QUIRK_BROKEN_ERR_DATA_REPORTING set by BT device driver to decide if HCI commands HCI_Read|Write_Default_Erroneous_Data_Reporting are broken. BLUETOOTH CORE SPECIFICATION Version 5.3 | Vol 2, Part C | page 587 This feature indicates whether the device is able to support the Packet_Status_Flag and the HCI commands HCI_Write_Default_- Erroneous_Data_Reporting and HCI_Read_Default_Erroneous_- Data_Reporting. the quirk was introduced by 'commit cde1a8a99287 ("Bluetooth: btusb: Fix and detect most of the Chinese Bluetooth controllers")' to mark HCI commands HCI_Read|Write_Default_Erroneous_Data_Reporting broken by BT device driver, but the reason why these two HCI commands are broken is that feature "Erroneous Data Reporting" is not enabled by firmware, this scenario is illustrated by below log of QCA controllers with USB I/F: @ RAW Open: hcitool (privileged) version 2.22 < HCI Command: Read Local Supported Commands (0x04|0x0002) plen 0 > HCI Event: Command Complete (0x0e) plen 68 Read Local Supported Commands (0x04|0x0002) ncmd 1 Status: Success (0x00) Commands: 288 entries ...... Read Default Erroneous Data Reporting (Octet 18 - Bit 2) Write Default Erroneous Data Reporting (Octet 18 - Bit 3) ...... < HCI Command: Read Default Erroneous Data Reporting (0x03|0x005a) plen 0 > HCI Event: Command Complete (0x0e) plen 4 Read Default Erroneous Data Reporting (0x03|0x005a) ncmd 1 Status: Unknown HCI Command (0x01) < HCI Command: Read Local Supported Features (0x04|0x0003) plen 0 > HCI Event: Command Complete (0x0e) plen 12 Read Local Supported Features (0x04|0x0003) ncmd 1 Status: Success (0x00) Features: 0xff 0xfe 0x0f 0xfe 0xd8 0x3f 0x5b 0x87 3 slot packets ...... Signed-off-by: Zijun Hu Tested-by: Zijun Hu --- include/net/bluetooth/hci.h | 1 + net/bluetooth/hci_sync.c | 4 ++-- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index 4a45c48eb0d2..5cf0fbfb89b4 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -497,6 +497,7 @@ enum { #define LMP_EXT_INQ 0x01 #define LMP_SIMUL_LE_BR 0x02 #define LMP_SIMPLE_PAIR 0x08 +#define LMP_ERR_DATA_REPORTING 0x20 #define LMP_NO_FLUSH 0x40 #define LMP_LSTO 0x01 diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c index a4f1b209b4f8..3881c3230643 100644 --- a/net/bluetooth/hci_sync.c +++ b/net/bluetooth/hci_sync.c @@ -3221,7 +3221,7 @@ static int hci_read_page_scan_activity_sync(struct hci_dev *hdev) static int hci_read_def_err_data_reporting_sync(struct hci_dev *hdev) { if (!(hdev->commands[18] & 0x04) || - test_bit(HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, &hdev->quirks)) + !(hdev->features[0][6] & LMP_ERR_DATA_REPORTING)) return 0; return __hci_cmd_sync_status(hdev, HCI_OP_READ_DEF_ERR_DATA_REPORTING, @@ -3706,7 +3706,7 @@ static int hci_set_err_data_report_sync(struct hci_dev *hdev) bool enabled = hci_dev_test_flag(hdev, HCI_WIDEBAND_SPEECH_ENABLED); if (!(hdev->commands[18] & 0x08) || - test_bit(HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, &hdev->quirks)) + !(hdev->features[0][6] & LMP_ERR_DATA_REPORTING)) return 0; if (enabled == hdev->err_data_reporting) From patchwork Thu Jul 21 06:04:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: quic_zijuhu X-Patchwork-Id: 12924748 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D8424CCA479 for ; Thu, 21 Jul 2022 06:07:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231978AbiGUGHK (ORCPT ); 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Wed, 20 Jul 2022 23:04:48 -0700 From: Zijun Hu To: , , , , , , , , , CC: , , Subject: [PATCH v2 2/4] Bluetooth: btusb: Remove HCI_QUIRK_BROKEN_ERR_DATA_REPORTING for QCA Date: Thu, 21 Jul 2022 14:04:31 +0800 Message-ID: <1658383473-32188-3-git-send-email-quic_zijuhu@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1658383473-32188-1-git-send-email-quic_zijuhu@quicinc.com> References: <1658383473-32188-1-git-send-email-quic_zijuhu@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01a.na.qualcomm.com (10.52.223.231) X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: D5z0Z3Z5Xoz8OQXcNFjzEQU_QMiZjh6W X-Proofpoint-GUID: D5z0Z3Z5Xoz8OQXcNFjzEQU_QMiZjh6W X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-07-20_12,2022-07-20_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 bulkscore=0 phishscore=0 malwarescore=0 spamscore=0 clxscore=1011 adultscore=0 impostorscore=0 mlxlogscore=999 suspectscore=0 mlxscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2206140000 definitions=main-2207210023 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Core driver addtionally checks LMP feature bit "Erroneous Data Reporting" instead of quirk HCI_QUIRK_BROKEN_ERR_DATA_REPORTING to decide if HCI commands HCI_Read|Write_Default_Erroneous_Data_Reporting are broken, so remove this unnecessary quirk for QCA controllers. The reason why these two HCI commands are broken for QCA controllers is that feature "Erroneous Data Reporting" is not enabled by their firmware as shown by below log: @ RAW Open: hcitool (privileged) version 2.22 < HCI Command: Read Local Supported Commands (0x04|0x0002) plen 0 > HCI Event: Command Complete (0x0e) plen 68 Read Local Supported Commands (0x04|0x0002) ncmd 1 Status: Success (0x00) Commands: 288 entries ...... Read Default Erroneous Data Reporting (Octet 18 - Bit 2) Write Default Erroneous Data Reporting (Octet 18 - Bit 3) ...... < HCI Command: Read Default Erroneous Data Reporting (0x03|0x005a) plen 0 > HCI Event: Command Complete (0x0e) plen 4 Read Default Erroneous Data Reporting (0x03|0x005a) ncmd 1 Status: Unknown HCI Command (0x01) < HCI Command: Read Local Supported Features (0x04|0x0003) plen 0 > HCI Event: Command Complete (0x0e) plen 12 Read Local Supported Features (0x04|0x0003) ncmd 1 Status: Success (0x00) Features: 0xff 0xfe 0x0f 0xfe 0xd8 0x3f 0x5b 0x87 3 slot packets ...... Signed-off-by: Zijun Hu Tested-by: Zijun Hu --- drivers/bluetooth/btusb.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 21135a419bcc..6b7e721bd57c 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -3370,7 +3370,6 @@ static int btusb_setup_qca(struct hci_dev *hdev) * work with the likes of HSP/HFP mSBC. */ set_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &hdev->quirks); - set_bit(HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, &hdev->quirks); return 0; } From patchwork Thu Jul 21 06:04:32 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: quic_zijuhu X-Patchwork-Id: 12924747 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BC676C43334 for ; Thu, 21 Jul 2022 06:05:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231955AbiGUGFG (ORCPT ); Thu, 21 Jul 2022 02:05:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54764 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231977AbiGUGFD (ORCPT ); Thu, 21 Jul 2022 02:05:03 -0400 Received: from alexa-out-sd-02.qualcomm.com (alexa-out-sd-02.qualcomm.com [199.106.114.39]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5BC5F7B1CC; Wed, 20 Jul 2022 23:04:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1658383498; x=1689919498; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=jTvBuX1RfhQw8arUQLUV8cuX3ez0nyZY3zlsiCDiilI=; b=UFzwF2aKhsJBnCEe132xR71Gzi3FwqY1uyN3GFfDrZ0wQB1wxF+YQFZO edjsbdnRBxgoOakZo9xO34Y/SjmkmqG1wjBtIkwma/zY/qwma4O8rZ59L vvzjK37iHm8aAL/WXT+CLNUOq9k15XQO9P8Ffgl3AFAdfRsCjfOd6FyPv 8=; Received: from unknown (HELO ironmsg03-sd.qualcomm.com) ([10.53.140.143]) by alexa-out-sd-02.qualcomm.com with ESMTP; 20 Jul 2022 23:04:57 -0700 X-QCInternal: smtphost Received: from unknown (HELO nasanex01a.na.qualcomm.com) ([10.52.223.231]) by ironmsg03-sd.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Jul 2022 23:04:57 -0700 Received: from zijuhu-gv.qualcomm.com (10.80.80.8) by nasanex01a.na.qualcomm.com (10.52.223.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.22; Wed, 20 Jul 2022 23:04:54 -0700 From: Zijun Hu To: , , , , , , , , , CC: , , Subject: [PATCH v2 3/4] Bluetooth: btusb: Remove HCI_QUIRK_BROKEN_ERR_DATA_REPORTING for fake CSR Date: Thu, 21 Jul 2022 14:04:32 +0800 Message-ID: <1658383473-32188-4-git-send-email-quic_zijuhu@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1658383473-32188-1-git-send-email-quic_zijuhu@quicinc.com> References: <1658383473-32188-1-git-send-email-quic_zijuhu@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01a.na.qualcomm.com (10.52.223.231) Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Core driver addtionally checks LMP feature bit "Erroneous Data Reporting" instead of quirk HCI_QUIRK_BROKEN_ERR_DATA_REPORTING to decide if HCI commands HCI_Read|Write_Default_Erroneous_Data_Reporting are broken, so remove this unnecessary quirk for fake CSR controllers. Signed-off-by: Zijun Hu --- drivers/bluetooth/btusb.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 6b7e721bd57c..480ea891c09a 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -2087,7 +2087,6 @@ static int btusb_setup_csr(struct hci_dev *hdev) * without these the controller will lock up. */ set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); - set_bit(HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, &hdev->quirks); set_bit(HCI_QUIRK_BROKEN_FILTER_CLEAR_ALL, &hdev->quirks); set_bit(HCI_QUIRK_NO_SUSPEND_NOTIFIER, &hdev->quirks); From patchwork Thu Jul 21 06:04:33 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: quic_zijuhu X-Patchwork-Id: 12924749 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2B4AFC43334 for ; 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Wed, 20 Jul 2022 23:04:58 -0700 From: Zijun Hu To: , , , , , , , , , CC: , , Subject: [PATCH v2 4/4] Bluetooth: hci_sync: Remove HCI_QUIRK_BROKEN_ERR_DATA_REPORTING Date: Thu, 21 Jul 2022 14:04:33 +0800 Message-ID: <1658383473-32188-5-git-send-email-quic_zijuhu@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1658383473-32188-1-git-send-email-quic_zijuhu@quicinc.com> References: <1658383473-32188-1-git-send-email-quic_zijuhu@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01a.na.qualcomm.com (10.52.223.231) X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: Wop703_cs5VbQ8zYVhQbTgu4AsU-64LD X-Proofpoint-ORIG-GUID: Wop703_cs5VbQ8zYVhQbTgu4AsU-64LD X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-07-20_12,2022-07-20_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 mlxlogscore=999 impostorscore=0 spamscore=0 clxscore=1015 suspectscore=0 bulkscore=0 mlxscore=0 phishscore=0 lowpriorityscore=0 adultscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2206140000 definitions=main-2207210023 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Core driver addtionally checks LMP feature bit "Erroneous Data Reporting" instead of quirk HCI_QUIRK_BROKEN_ERR_DATA_REPORTING to decide if HCI commands HCI_Read|Write_Default_Erroneous_Data_Reporting are broken, so remove this unnecessary quirk. Signed-off-by: Zijun Hu Tested-by: Zijun Hu --- include/net/bluetooth/hci.h | 11 ----------- net/bluetooth/hci_sync.c | 3 --- 2 files changed, 14 deletions(-) diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index 5cf0fbfb89b4..927f51b92854 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -228,17 +228,6 @@ enum { */ HCI_QUIRK_VALID_LE_STATES, - /* When this quirk is set, then erroneous data reporting - * is ignored. This is mainly due to the fact that the HCI - * Read Default Erroneous Data Reporting command is advertised, - * but not supported; these controllers often reply with unknown - * command and tend to lock up randomly. Needing a hard reset. - * - * This quirk can be set before hci_register_dev is called or - * during the hdev->setup vendor callback. - */ - HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, - /* * When this quirk is set, then the hci_suspend_notifier is not * registered. This is intended for devices which drop completely diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c index 3881c3230643..85d1605d9b07 100644 --- a/net/bluetooth/hci_sync.c +++ b/net/bluetooth/hci_sync.c @@ -3865,9 +3865,6 @@ static const struct { HCI_QUIRK_BROKEN(STORED_LINK_KEY, "HCI Delete Stored Link Key command is advertised, " "but not supported."), - HCI_QUIRK_BROKEN(ERR_DATA_REPORTING, - "HCI Read Default Erroneous Data Reporting command is " - "advertised, but not supported."), HCI_QUIRK_BROKEN(READ_TRANSMIT_POWER, "HCI Read Transmit Power Level command is advertised, " "but not supported."),