From patchwork Wed Oct 16 06:56:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kang Yang X-Patchwork-Id: 836664 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 50F731B2193 for ; Wed, 16 Oct 2024 06:57:43 +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=1729061864; cv=none; b=K/joLuF42Ft/Y7llGPOPt6n7LQO+GDXnQ0TfCx/pXPoMs6DyGLSU0d80j0vc7+I6dgADcG3hzwmQ+2LTZgZcwfJlyBmkvcDC2D8W0OGjawoxGVPOaGbB3mMm96ynRWvxa9hbcaSmsYyUMQZXM1HiSwPMxAY/hJ/jQWfx2wfEO3g= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729061864; c=relaxed/simple; bh=cniHWkTZZQa8NXdrw8AzkXqUfbH0GSDs0jA1ajxKeWQ=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=pA/4ibzO86foCt0hH3eVQYeC1bCeQQskgAHQvgMLRgDBOY0yeLs7qzb+N30NihYpvI6Dp5A4za9Wm9hLsFu9sVPtaz1GFI0nCDhpeVo2oo78zNp1FlQ4NKfO8OTnfjlrAnXMdCQyyq0UvtHfWv5zL+HaZ5c9ZsPCPHCar7dQpUc= 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=H+hHp0JU; 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="H+hHp0JU" Received: from pps.filterd (m0279863.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 49G0uO7D025590; Wed, 16 Oct 2024 06:57:41 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= Lk7/Yejga3Uk2ucy5+rvquU1M6pqNm4q7mr2gDxvmnI=; b=H+hHp0JUA2GU3GUU zRXzS4LMRSAPiZUXZnN490lt6zzNpe+nr+NNVcX9C6KKJVH0lTyb2KHh/3Im4FNP OeeyL9jeuzjVscN+YKeT5DhLcs3hdcSPZysAnaZiRSkvlrM6LHLfQkOReKnn6oHu FiloOB05RqjMVAu9KsUoEbAFZcvhmt1dX7gBCzpSaLR8efpRMTQNE59dq1OOlpaZ 6NouzAYrUV9NwuS/6+3chRgAmOKlKjjCVaiCkj+Wmyjcp9yG8g//2IweeYnAt5FC lLuwkSjNFgntaSR6a2DUvYBeTaKF3yE8AV2HYz9rWeqj7wBxlb/blPraSt0Gw3eA +rz3Gw== Received: from nalasppmta02.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 429t5kjjw6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 16 Oct 2024 06:57:41 +0000 (GMT) Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA02.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 49G6venn006958 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 16 Oct 2024 06:57:40 GMT Received: from kangyang.ap.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 15.2.1544.9; Tue, 15 Oct 2024 23:57:38 -0700 From: Kang Yang To: CC: , Subject: [PATCH v3 10/11] wifi: ath12k: fix A-MSDU indication in monitor mode Date: Wed, 16 Oct 2024 14:56:59 +0800 Message-ID: <20241016065700.1090-11-quic_kangyang@quicinc.com> X-Mailer: git-send-email 2.34.1.windows.1 In-Reply-To: <20241016065700.1090-1-quic_kangyang@quicinc.com> References: <20241016065700.1090-1-quic_kangyang@quicinc.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) 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-ORIG-GUID: OVx4hNHvpp13fwbmE7otaQ6Q_NoLlSKt X-Proofpoint-GUID: OVx4hNHvpp13fwbmE7otaQ6Q_NoLlSKt X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 impostorscore=0 bulkscore=0 mlxscore=0 spamscore=0 lowpriorityscore=0 priorityscore=1501 malwarescore=0 phishscore=0 clxscore=1015 suspectscore=0 mlxlogscore=951 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2410160044 In monitor mode, host will reap MSDUs and then the MSDUs with same PPDU ID will be aggregated into an A-MSDU in ath12k_dp_mon_rx_merg_msdus(). However, ath12k_dp_mon_rx_merg_msdus() doesn't calculate the total length of the A-MSDU. This causes Wireshark to display the A-MSDU incorrectly. Therefore, need to add calculation of the A-MSDU length. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by: Kang Yang --- drivers/net/wireless/ath/ath12k/dp_mon.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath12k/dp_mon.c b/drivers/net/wireless/ath/ath12k/dp_mon.c index ed963ea2cb8f..1105c1a0da19 100644 --- a/drivers/net/wireless/ath/ath12k/dp_mon.c +++ b/drivers/net/wireless/ath/ath12k/dp_mon.c @@ -873,11 +873,11 @@ ath12k_dp_mon_rx_merg_msdus(struct ath12k *ar, u32 mac_id, struct ieee80211_rx_status *rxs, bool *fcs_err) { struct ath12k_base *ab = ar->ab; - struct sk_buff *msdu, *mpdu_buf, *prev_buf; + struct sk_buff *msdu, *mpdu_buf, *prev_buf, *head_frag_list; struct hal_rx_desc *rx_desc, *tail_rx_desc; u8 *hdr_desc, *dest, decap_format; struct ieee80211_hdr_3addr *wh; - u32 err_bitmap; + u32 err_bitmap, frag_list_sum_len = 0; mpdu_buf = NULL; @@ -900,10 +900,15 @@ ath12k_dp_mon_rx_merg_msdus(struct ath12k *ar, u32 mac_id, prev_buf = head_msdu; msdu = head_msdu->next; + head_frag_list = NULL; while (msdu) { ath12k_dp_mon_rx_msdus_set_payload(ar, msdu, tail_msdu); + if (!head_frag_list) + head_frag_list = msdu; + + frag_list_sum_len += msdu->len; prev_buf = msdu; msdu = msdu->next; } @@ -911,6 +916,12 @@ ath12k_dp_mon_rx_merg_msdus(struct ath12k *ar, u32 mac_id, prev_buf->next = NULL; skb_trim(prev_buf, prev_buf->len - HAL_RX_FCS_LEN); + if (head_frag_list) { + skb_shinfo(head_msdu)->frag_list = head_frag_list; + head_msdu->data_len = frag_list_sum_len; + head_msdu->len += head_msdu->data_len; + head_msdu->next = NULL; + } } else if (decap_format == DP_RX_DECAP_TYPE_NATIVE_WIFI) { u8 qos_pkt = 0;