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Mon, 19 Aug 2024 02:33:39 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA01.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 47J2XcNI025094 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 19 Aug 2024 02:33:38 GMT Received: from [10.231.195.67] (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Sun, 18 Aug 2024 19:33:37 -0700 Message-ID: Date: Mon, 19 Aug 2024 10:33:35 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: wcn7850 issues To: david Atkins , "ath12k@lists.infradead.org" References: <26bb8ec7-7170-4a09-ada3-c7c753c16e87@quicinc.com> Content-Language: en-US From: Baochen Qiang In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: UKlRJeLtBP2JhZVZJ3m50wO9LvsBlaSG X-Proofpoint-ORIG-GUID: UKlRJeLtBP2JhZVZJ3m50wO9LvsBlaSG X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-08-18_24,2024-08-16_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 clxscore=1015 spamscore=0 mlxlogscore=999 mlxscore=0 bulkscore=0 impostorscore=0 lowpriorityscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2407110000 definitions=main-2408190017 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240818_193344_574991_C7A55821 X-CRM114-Status: GOOD ( 12.97 ) X-BeenThere: ath12k@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "ath12k" Errors-To: ath12k-bounces+ath12k=archiver.kernel.org@lists.infradead.org On 8/16/2024 8:23 PM, david Atkins wrote: >> On 8/15/2024 4:38 AM, david Atkins wrote: >>>> >>>> On 8/6/2024 4:06 PM, david Atkins wrote: >>>>> No support for EHT and therefore no MSC 12 or 13 which fits with the >>>>> dmesg warning about it not being supported, >>>> did not noted this ... So if AP does not support EHT, above warnings >>>> makes sense, like you said. >>>> >>> >>> Anseres inline, AP supports EHT >>> >>>> is this a card firmware >>>>> issue rather than the driver? >>>> did not follow you here, why is it an issue? >>>> >>> >>> Is the firmware that’s uploaded to the card not supporting EHT? >>> >> FW does support EHT. >> >> You are checking scan results, so it is AP not advertising EHT support (actually >> AP supports EHT, it is missing in scan results because IW does not print it. I >> don't know your IW, but at least upstream IW does not print it currently), not >> WCN7850. > > > I have captured beacon packets from the AP, they show the presence of EHT, this is a snip from the packet decoded, is there something here that would prevent the Hamilton card seeing eht? > > Ext Tag: EHT Capabilities (802.11be D3.0) > Ext Tag length: 14 (Tag len: 15) > Ext Tag Number: EHT Capabilities (802.11be D3.0) (108) > EHT MAC Capabilities Information: 0x0017, EPCS Priority Access Support, EHT OM Control Support, Triggered TXOP Sharing Mode 1 Support, Restricted TWT Support, Maximum MPDU Length: 3 895, EHT Link Adaptation Support: No feedback > .... .... .... ...1 = EPCS Priority Access Support: Supported > .... .... .... ..1. = EHT OM Control Support: Supported > .... .... .... .1.. = Triggered TXOP Sharing Mode 1 Support: Supported > .... .... .... 0... = Triggered TXOP Sharing Mode 2 Support: Not supported > .... .... ...1 .... = Restricted TWT Support: Supported > .... .... ..0. .... = SCS Traffic Description Support: Not supported > .... .... 00.. .... = Maximum MPDU Length: 3 895 (0x0) > .... ...0 .... .... = Maximum A-MPDU Length Exponent Extension: 0 > .... ..0. .... .... = EHT TRS Support: Not supported > .... .0.. .... .... = TXOP Return Support In TXOP Sharing Mode 2: Not supported > .... 0... .... .... = Two BQRs Support: Not supported > ..00 .... .... .... = EHT Link Adaptation Support: No feedback (0) > 00.. .... .... .... = Reserved: 0x0 > EHT PHY Capabilities Information > EHT PHY Bits 0-15: 0xffe0 > .... .... .... ...0 = Reserved: 0x0 > .... .... .... ..0. = Support For 320 MHz in 6 GHz: Not supported > .... .... .... .0.. = Support for 242-tone RU in BW Wider than 20 MHz: Not supported > .... .... .... 0... = NDP With 4x EHT-LTF And 3.2 us GI: Not supported > .... .... ...0 .... = Partial Bandwidth UL MU-MIMO: Not supported > .... .... ..1. .... = SU Beamformer: Supported > .... .... .1.. .... = SU Beamformee: Supported > .... ..11 1... .... = Beamformee SS (<= 80 MHz): 0x7 > ...1 11.. .... .... = Beamformee SS (= 160 MHz): 0x7 > 111. .... .... .... = Beamformee SS (= 320 MHz): 0x7 > EHT PHY Bits 16-31: 0x00db > .... .... .... .011 = Number Of Sounding Dimensions (<= 80 MHz): 0x3 > .... .... ..01 1... = Number Of Sounding Dimensions (= 160 MHz): 0x3 > .... ...0 11.. .... = Number Of Sounding Dimensions (= 320 MHz): 0x3 > .... ..0. .... .... = Ng = 16 SU Feedback: Not supported > .... .0.. .... .... = Ng = 16 MU Feedback: Not supported > .... 0... .... .... = Codebook Size = (4,2) SU Feedback: Not supported > ...0 .... .... .... = Codebook Size = (7,5) MU Feedback: Not supported > ..0. .... .... .... = Triggered SU Beamforming Feedback: Not supported > .0.. .... .... .... = Triggered MU Beamforming Partial BW Feedback: Not supported > 0... .... .... .... = Triggered CQI Feedback: Not supported > EHT PHY Bits 32-39: 0x18 > .... ...0 = Partial Bandwidth DL MU-MIMO: Not supported > .... ..0. = EHT PSR-Based SR support: Not supported > .... .0.. = Power Boost Factor Support: Not supported > .... 1... = EHT MU PPDU With 4x EHT-LTF and 0.8 us GI: Supported > 0001 .... = Max Nc: 1 > EHT PHY Bits 40-63: 0x3ed876 > .... .... .... .... .... ...0 = Non-Triggered CQI Feedback: Not supported > .... .... .... .... .... ..1. = Tx 1024-QAM & 4096-QAM < 242-tone RU Support: Supported > .... .... .... .... .... .1.. = Rx 1024-QAM & 4096-QAM < 242-tone-RU Support: Supported > .... .... .... .... .... 0... = PPE Thresholds Present: Not Present > .... .... .... .... ..11 .... = Common Nominal Packet Padding: 3 > .... .... .... .000 01.. .... = Maximum Number Of Supported EHT-LTFs: 1 > .... .... .101 1... .... .... = Support Of MCS 15: 11 > .... .... 1... .... .... .... = Support Of EHT DUP (MCS 14) in 6 GHz: Supported > .... ...0 .... .... .... .... = Support For 20 MHz Operating STA Receiving NDP With Wider BW: Not supported > .... ..1. .... .... .... .... = Non-OFDMA UL MU-MIMO (BW <= 80 MHz): Supported > .... .1.. .... .... .... .... = Non-OFDMA UL MU-MIMO (BW = 160 MHz): Supported > .... 1... .... .... .... .... = Non-OFDMA UL MU-MIMO (BW = 320 MHz): Supported > ...1 .... .... .... .... .... = MU Beamformer (BW <= 80 MHz): Supported > ..1. .... .... .... .... .... = MU Beamformer (BW = 160 MHz): Supported > .0.. .... .... .... .... .... = MU Beamformer (BW = 320 MHz): Not supported > 0... .... .... .... .... .... = TB Sounding Feedback Rate Limit: Not supported > EHT PHY Bits 64-71: 0x444400 > .... ...0 = Rx 1024-QAM In Wider Bandwidth DL OFDMA Support: Not supported > .... ..0. = Rx 4096-QAM In Wider Bandwidth DL OFDMA SUpport: Not supported > 0000 00.. = Reserved: 0x00 > Supported EHT-MCS and NSS Set > EHT-MCS Map (BW <= 80MHz): 0x444444 > .... .... .... .... .... 0100 = Rx Max Nss That Supports EHT-MCS 0-9: 4 > .... .... .... .... 0100 .... = Tx Max Nss That Supports EHT-MCS 0-9: 4 > .... .... .... 0100 .... .... = Rx Max Nss That Supports EHT-MCS 10-11: 4 > .... .... 0100 .... .... .... = Tx Max Nss That Supports EHT-MCS 10-11: 4 > .... 0100 .... .... .... .... = Rx Max Nss That Supports EHT-MCS 12-13: 4 > 0100 .... .... .... .... .... = Tx Max Nss That Supports EHT-MCS 12-13: 4 > Ext Tag: EHT Operation (802.11be D3.0) > Ext Tag length: 8 (Tag len: 9) > Ext Tag Number: EHT Operation (802.11be D3.0) (106) > EHT Operation Parameters: 0x01, EHT Operation Information Present > .... ...1 = EHT Operation Information Present: True > .... ..0. = Disabled Subchannel Bitmap Present: False > .... .0.. = EHT Default PE Duration: False > .... 0... = Group Addressed BU Indication Limit: False > ..00 .... = Group Addressed BU Indication Exponent: 0 > 00.. .... = Reserved: 0x0 > Basic EHT-MCS And Nss Set: 0x44444444 this means AP requires STA NSS to be equal or larger than 4, however WCN7850 only support 2, so connection in EHT is rejected. > Control: 0x02, Channel Width: 80 MHz EHT BSS bandwidth > .... .010 = Channel Width: 80 MHz EHT BSS bandwidth (2) > 0000 0... = Reserved: 0x00 > CCFS0: 0x0000006a > CCFS1: 0x00000000 > >