From nobody Tue Feb 10 11:14:35 2026 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 19AC514F6C; Mon, 10 Mar 2025 01:02:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741568565; cv=none; b=u9R3RBOPZNN8UMhjgod3aVEHONijQ6a0boDAU7jLzpF5SS30M/xNlf1bBDSoGZn8LRQm9GkNk91FbDUkAUtjjsrxDrKlPLaC6T7grI2btf8567aEkbNqkGEZgyfReoqNRBaVeksNmxTGYTgeDEjaPtDwvLgJxIFjLlofyF6rY5I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741568565; c=relaxed/simple; bh=c7XkqoD5QU4j0uOCCVKwxnmsXG1AHhYLP1VQm3TuoA8=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=TcEvIMPvTMtT4dZwErYTtyPekAziOh6zslTCvaqfBgCSFsINFOmhhlL67lpJh5+o4eEnqgeqLWeFqs2SJDsazJ8apaWyC0c+V37CDz2akLhFmWJkq5ZdvTUDXszd/dwpEFl0eUUn5kGperVX1lYHSfKRoalhlPhZJwLvLxEY5JU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=quicinc.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=Ol9rPl2K; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="Ol9rPl2K" Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 529LXgvF009677; Mon, 10 Mar 2025 01:02:38 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= ZNXqOlaTgzq9RYoXM7r/deIbN8cB/W02WqtkLhrfZkQ=; b=Ol9rPl2K6MAKJ87R T/HmAfc18mZLbY1YNRc94HkoEbzKf7A94Qzbf48Obby9QtLCnovt1lfD/OAtmpCE GYA44PQ2Iut5/uDske90n3l7MqFkfJNcz8AY2zjOXwxdWfJrYr1TPAGm52fe7Lu6 p4PRKctW8jOw4CeoajZdFDjBNNDUR7rHi36TFPQg7RGLkY/EPZwE29chGXB35iCU QTBwcBCss8WD3V2cGE4Kxqj/XGSNaauAHB/mTecOhprB4zD2mI3j6IrfPQXVvuTf 4c6NnI/M96YgD+Y4d0CyTX/BBP8ekYMvgqLJPNfRZC5cYlC92HwdSnXUK78Iv3rX JlJARA== Received: from nalasppmta05.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 458eypb1th-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 10 Mar 2025 01:02:38 +0000 (GMT) Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA05.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 52A12VWO013908 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 10 Mar 2025 01:02:31 GMT Received: from Z2-SFF-G9-MQ.ap.qualcomm.com (10.80.80.8) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Sun, 9 Mar 2025 18:02:29 -0700 From: Miaoqing Pan To: CC: , , , , Miaoqing Pan Subject: [PATCH v2 ath-next 1/2] wifi: ath11k: add function to get next srng desc Date: Mon, 10 Mar 2025 09:02:16 +0800 Message-ID: <20250310010217.3845141-2-quic_miaoqing@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250310010217.3845141-1-quic_miaoqing@quicinc.com> References: <20250310010217.3845141-1-quic_miaoqing@quicinc.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Authority-Analysis: v=2.4 cv=A9yWP7WG c=1 sm=1 tr=0 ts=67ce3a2e cx=c_pps a=ouPCqIW2jiPt+lZRy3xVPw==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=GEpy-HfZoHoA:10 a=Vs1iUdzkB0EA:10 a=COk6AnOGAAAA:8 a=lKsAeyGH6LT-Y4EiwrIA:9 a=RVmHIydaz68A:10 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-ORIG-GUID: OPv-YiVS16VLNrJGd0MEY-Xb7wjYu00g X-Proofpoint-GUID: OPv-YiVS16VLNrJGd0MEY-Xb7wjYu00g X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1093,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-03-09_09,2025-03-07_03,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 mlxlogscore=907 adultscore=0 lowpriorityscore=0 bulkscore=0 clxscore=1011 priorityscore=1501 malwarescore=0 impostorscore=0 spamscore=0 suspectscore=0 phishscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2502100000 definitions=main-2503100006 Content-Type: text/plain; charset="utf-8" Adding the ath11k_hal_srng_dst_next() function allows for the separate invocation of ath11k_hal_srng_dst_peek() and ath11k_hal_srng_dst_next() in certain situations, instead of calling the ath11k_hal_srng_dst_get_next_entry() function alone. Tested-on: QCA6698AQ hw2.1 PCI WLAN.HSP.1.1-04546-QCAHSPSWPL_V1_V2_SILICONZ= _IOE-1 Signed-off-by: Miaoqing Pan --- drivers/net/wireless/ath/ath11k/hal.c | 24 ++++++++++++++---------- drivers/net/wireless/ath/ath11k/hal.h | 3 ++- 2 files changed, 16 insertions(+), 11 deletions(-) diff --git a/drivers/net/wireless/ath/ath11k/hal.c b/drivers/net/wireless/a= th/ath11k/hal.c index 61f4b6dd5380..2fc8409897be 100644 --- a/drivers/net/wireless/ath/ath11k/hal.c +++ b/drivers/net/wireless/ath/ath11k/hal.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: BSD-3-Clause-Clear /* * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. - * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights res= erved. + * Copyright (c) 2021-2025 Qualcomm Innovation Center, Inc. All rights res= erved. */ #include #include "hal_tx.h" @@ -656,18 +656,10 @@ static void ath11k_hal_srng_prefetch_desc(struct ath1= 1k_base *ab, } } =20 -u32 *ath11k_hal_srng_dst_get_next_entry(struct ath11k_base *ab, - struct hal_srng *srng) +void ath11k_hal_srng_dst_next(struct ath11k_base *ab, struct hal_srng *srn= g) { - u32 *desc; - lockdep_assert_held(&srng->lock); =20 - if (srng->u.dst_ring.tp =3D=3D srng->u.dst_ring.cached_hp) - return NULL; - - desc =3D srng->ring_base_vaddr + srng->u.dst_ring.tp; - srng->u.dst_ring.tp +=3D srng->entry_size; =20 /* wrap around to start of ring*/ @@ -677,6 +669,18 @@ u32 *ath11k_hal_srng_dst_get_next_entry(struct ath11k_= base *ab, /* Try to prefetch the next descriptor in the ring */ if (srng->flags & HAL_SRNG_FLAGS_CACHED) ath11k_hal_srng_prefetch_desc(ab, srng); +} + +u32 *ath11k_hal_srng_dst_get_next_entry(struct ath11k_base *ab, + struct hal_srng *srng) +{ + u32 *desc; + + lockdep_assert_held(&srng->lock); + + desc =3D ath11k_hal_srng_dst_peek(ab, srng); + if (desc) + ath11k_hal_srng_dst_next(ab, srng); =20 return desc; } diff --git a/drivers/net/wireless/ath/ath11k/hal.h b/drivers/net/wireless/a= th/ath11k/hal.h index 601542410c75..317b09ec6c35 100644 --- a/drivers/net/wireless/ath/ath11k/hal.h +++ b/drivers/net/wireless/ath/ath11k/hal.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: BSD-3-Clause-Clear */ /* * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. - * Copyright (c) 2021-2022, 2024 Qualcomm Innovation Center, Inc. All righ= ts reserved. + * Copyright (c) 2021-2022, 2024-2025 Qualcomm Innovation Center, Inc. All= rights reserved. */ =20 #ifndef ATH11K_HAL_H @@ -941,6 +941,7 @@ int ath11k_hal_srng_get_entrysize(struct ath11k_base *a= b, u32 ring_type); int ath11k_hal_srng_get_max_entries(struct ath11k_base *ab, u32 ring_type); void ath11k_hal_srng_get_params(struct ath11k_base *ab, struct hal_srng *s= rng, struct hal_srng_params *params); +void ath11k_hal_srng_dst_next(struct ath11k_base *ab, struct hal_srng *srn= g); u32 *ath11k_hal_srng_dst_get_next_entry(struct ath11k_base *ab, struct hal_srng *srng); u32 *ath11k_hal_srng_dst_peek(struct ath11k_base *ab, struct hal_srng *srn= g); --=20 2.25.1