From patchwork Tue Oct 8 07:35:33 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kang Yang X-Patchwork-Id: 13825800 X-Patchwork-Delegate: quic_jjohnson@quicinc.com Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (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 A129C1D61B5 for ; Tue, 8 Oct 2024 07:36:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728372982; cv=none; b=HNqrIm2Cf4gvRrxU+3Vkgep3+yvEUKMSjWz8eCO/x9GjHv3m/zYqD4/YckXcnj6Bug6WRABYW/IT05G52BuS+xzlFh2QYkdouHcp0MHljumLAS1l1FYlyETrw9cb9vC0jH4kfaKuf+u8+E3bKgXhGi0g595tqsvdionaBIntF+M= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728372982; c=relaxed/simple; bh=BTqffN/XoCjf1UCHHxApYQBQL3umIk0a63u40WrN0NU=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=E3edO/ACZctlbPgiMPRh5L40WhgK5KZaTjA4PDgbIQs2tuvm9kBQlJarTPNPn2D2c6QE89VeeCetRfMwo7DALmfT6E9i+7jmpq6x6z0hB89z7IHkrqPmmizgSyIc8GYsm0saFEElZoFhsAJsbgY+lOSerdI/sS2NuCWmkAkmyyY= 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=TduUtpou; arc=none smtp.client-ip=205.220.180.131 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="TduUtpou" Received: from pps.filterd (m0279871.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 497GaOJR022694; Tue, 8 Oct 2024 07:36:17 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= IK0gr+Y7eiS6gbcKlCebiWvbEzok0vFaZSeGd4IbODA=; b=TduUtpoujyaL9jfP SkBqjmgq7YrpUUxRQL2/OEVqhZhPo4H0nRVhXBAgpQ9jpuf75tEbQSmlHiRD5aRn 0l4UdvVrWWOA8sLQYQpAqGzGw7pHJocLE5GghBH2I3smi3IkP1caqqtNmv2kQBrH 7ULXReltJsk2GP4uvgRjcfjWKtBqO66ISSzoSDO+21+Atmynb5aoq9q0JDkARIb1 7xF2v9RCj8BovJ8ThILrkuSnG+lyVYUBwklXRc3Crbqw6aFgcFg4lxA+5BaZfsdV pmg0lzM1EV8swM7J+OSytBPVMq98bFViJOFhHMP5+VcBa0UOhDhi8Z1kfSft15Av kyZ/Tg== Received: from nalasppmta01.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 424kaesqxm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 08 Oct 2024 07:36:17 +0000 (GMT) Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA01.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 4987aGMM013310 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 8 Oct 2024 07:36:16 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, 8 Oct 2024 00:36:14 -0700 From: Kang Yang To: CC: , Subject: [PATCH v2 10/11] wifi: ath12k: fix A-MSDU indication in monitor mode Date: Tue, 8 Oct 2024 15:35:33 +0800 Message-ID: <20241008073534.1195-11-quic_kangyang@quicinc.com> X-Mailer: git-send-email 2.34.1.windows.1 In-Reply-To: <20241008073534.1195-1-quic_kangyang@quicinc.com> References: <20241008073534.1195-1-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: c0Aid7dgFmUn79CNRKuaM0SRv7dWfG3K X-Proofpoint-GUID: c0Aid7dgFmUn79CNRKuaM0SRv7dWfG3K 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 mlxscore=0 malwarescore=0 adultscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 phishscore=0 impostorscore=0 priorityscore=1501 mlxlogscore=966 suspectscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2410080048 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 Acked-by: Jeff Johnson --- 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 1f989bcf795b..6ebfded60397 100644 --- a/drivers/net/wireless/ath/ath12k/dp_mon.c +++ b/drivers/net/wireless/ath/ath12k/dp_mon.c @@ -870,11 +870,11 @@ 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; @@ -897,10 +897,15 @@ 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; } @@ -908,6 +913,12 @@ 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;