From patchwork Thu Aug 3 05:18:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Linyu Yuan X-Patchwork-Id: 13339249 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 7E2BDEB64DD for ; Thu, 3 Aug 2023 05:20:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232418AbjHCFUg (ORCPT ); Thu, 3 Aug 2023 01:20:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50704 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232662AbjHCFT4 (ORCPT ); Thu, 3 Aug 2023 01:19:56 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 43713422F for ; Wed, 2 Aug 2023 22:19:20 -0700 (PDT) Received: from pps.filterd (m0279871.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3734HQ6D021632; Thu, 3 Aug 2023 05:19:17 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=qcppdkim1; bh=922iD0fp4GbdaiDh3bA05K9id+fDvD+QoW67nPw2mVk=; b=o9Rh4YuaD+cShBYuRC3C3Rva/W6OLmRCmYgCOleiPUTKV3uM9En+dOy5TitrNEt90gqz bFN9ii/8nX2UunhG6pOgTlsjtM7lyngGAAQ2M2eTcNYo3l7UsRm5Wbw49Big5xpQIuDC WNOzDF5vkDw3l0duX8t9y/qMpmCIRz6GTHlfKgVoH+xAIPZwGouMOl/VNU3xHiawy1AP IpZQq5TRL/RWD9Gq7oUKibskX9dkYr+JUcn3BFeX0cv48CvcI3+adQhfOy8a6Wn3iEd+ JHnfXOJ46+VTnarxBnkgQIGmxJbaDMds7jeJUDF2I/rkjYlLSVAQ0fQCMzL2IxleOMjY rg== Received: from nalasppmta01.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3s7upp12um-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 03 Aug 2023 05:19:17 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 3735Ipdp025565 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 3 Aug 2023 05:18:51 GMT Received: from linyyuan-gv.qualcomm.com (10.80.80.8) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Wed, 2 Aug 2023 22:18:50 -0700 From: Linyu Yuan To: Greg Kroah-Hartman CC: , Linyu Yuan Subject: [PATCH 2/7] usb: gaget: use working speed to calcaulate network bitrate and qlen Date: Thu, 3 Aug 2023 13:18:05 +0800 Message-ID: <20230803051810.2974-3-quic_linyyuan@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230803051810.2974-1-quic_linyyuan@quicinc.com> References: <20230803051810.2974-1-quic_linyyuan@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: 4jL2c9i-JFyaT5F6WuPiFOKI4-3PIQqQ X-Proofpoint-ORIG-GUID: 4jL2c9i-JFyaT5F6WuPiFOKI4-3PIQqQ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-08-03_02,2023-08-01_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 clxscore=1015 malwarescore=0 spamscore=0 lowpriorityscore=0 mlxlogscore=417 bulkscore=0 impostorscore=0 priorityscore=1501 adultscore=0 mlxscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2308030048 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Take ecm_bitrate() as example, it will be called after gadget device link speed negotiation, consider code if (gadget_is_superspeed(g) && g->speed >= USB_SPEED_SUPER_PLUS), if a gadget device link speed is USB_SPEED_SUPER_PLUS, gadget_is_superspeed(g) must be true, or not it is cleary wrong configuration of gadget max support speed. Remove gadget_is_superspeed(g) checking should be safe, and remove other similar operation in ncm, rndis, u_ether. Signed-off-by: Linyu Yuan --- drivers/usb/gadget/function/f_ecm.c | 6 +++--- drivers/usb/gadget/function/f_ncm.c | 6 +++--- drivers/usb/gadget/function/f_rndis.c | 6 +++--- drivers/usb/gadget/function/u_ether.c | 5 ++--- 4 files changed, 11 insertions(+), 12 deletions(-) diff --git a/drivers/usb/gadget/function/f_ecm.c b/drivers/usb/gadget/function/f_ecm.c index 8da7d314602c..b1cb944559d4 100644 --- a/drivers/usb/gadget/function/f_ecm.c +++ b/drivers/usb/gadget/function/f_ecm.c @@ -68,11 +68,11 @@ static inline struct f_ecm *func_to_ecm(struct usb_function *f) /* peak (theoretical) bulk transfer rate in bits-per-second */ static inline unsigned ecm_bitrate(struct usb_gadget *g) { - if (gadget_is_superspeed(g) && g->speed >= USB_SPEED_SUPER_PLUS) + if (g->speed >= USB_SPEED_SUPER_PLUS) return 4250000000U; - else if (gadget_is_superspeed(g) && g->speed == USB_SPEED_SUPER) + else if (g->speed == USB_SPEED_SUPER) return 3750000000U; - else if (gadget_is_dualspeed(g) && g->speed == USB_SPEED_HIGH) + else if (g->speed == USB_SPEED_HIGH) return 13 * 512 * 8 * 1000 * 8; else return 19 * 64 * 1 * 1000 * 8; diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c index 424bb3b666db..e6dac5510540 100644 --- a/drivers/usb/gadget/function/f_ncm.c +++ b/drivers/usb/gadget/function/f_ncm.c @@ -85,11 +85,11 @@ static inline unsigned ncm_bitrate(struct usb_gadget *g) { if (!g) return 0; - else if (gadget_is_superspeed(g) && g->speed >= USB_SPEED_SUPER_PLUS) + else if (g->speed >= USB_SPEED_SUPER_PLUS) return 4250000000U; - else if (gadget_is_superspeed(g) && g->speed == USB_SPEED_SUPER) + else if (g->speed == USB_SPEED_SUPER) return 3750000000U; - else if (gadget_is_dualspeed(g) && g->speed == USB_SPEED_HIGH) + else if (g->speed == USB_SPEED_HIGH) return 13 * 512 * 8 * 1000 * 8; else return 19 * 64 * 1 * 1000 * 8; diff --git a/drivers/usb/gadget/function/f_rndis.c b/drivers/usb/gadget/function/f_rndis.c index ee95e8f5f9d4..eff5d7cbce00 100644 --- a/drivers/usb/gadget/function/f_rndis.c +++ b/drivers/usb/gadget/function/f_rndis.c @@ -87,11 +87,11 @@ static inline struct f_rndis *func_to_rndis(struct usb_function *f) /* peak (theoretical) bulk transfer rate in bits-per-second */ static unsigned int bitrate(struct usb_gadget *g) { - if (gadget_is_superspeed(g) && g->speed >= USB_SPEED_SUPER_PLUS) + if (g->speed >= USB_SPEED_SUPER_PLUS) return 4250000000U; - if (gadget_is_superspeed(g) && g->speed == USB_SPEED_SUPER) + if (g->speed == USB_SPEED_SUPER) return 3750000000U; - else if (gadget_is_dualspeed(g) && g->speed == USB_SPEED_HIGH) + else if (g->speed == USB_SPEED_HIGH) return 13 * 512 * 8 * 1000 * 8; else return 19 * 64 * 1 * 1000 * 8; diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c index a366abb45623..4bb0553da658 100644 --- a/drivers/usb/gadget/function/u_ether.c +++ b/drivers/usb/gadget/function/u_ether.c @@ -93,11 +93,10 @@ struct eth_dev { #define DEFAULT_QLEN 2 /* double buffering by default */ -/* for dual-speed hardware, use deeper queues at high/super speed */ +/* use deeper queues at high/super speed */ static inline int qlen(struct usb_gadget *gadget, unsigned qmult) { - if (gadget_is_dualspeed(gadget) && (gadget->speed == USB_SPEED_HIGH || - gadget->speed >= USB_SPEED_SUPER)) + if (gadget->speed == USB_SPEED_HIGH || gadget->speed >= USB_SPEED_SUPER) return qmult * DEFAULT_QLEN; else return DEFAULT_QLEN;