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Mon, 03 Feb 2025 07:18:38 -0800 (PST) X-Google-Smtp-Source: AGHT+IE71/YCq0vhxjrNAqWGNtyl9CIs/2eGQA5lKiB7X8kCPwWGf2XVShhMC/W+fgZISaTCW25uRA== X-Received: by 2002:a17:902:e546:b0:216:485f:bf90 with SMTP id d9443c01a7336-21dd7d7f85cmr297001105ad.27.1738595918475; Mon, 03 Feb 2025 07:18:38 -0800 (PST) Received: from [192.168.29.221] ([49.37.208.137]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-21de31ee0a7sm78689475ad.18.2025.02.03.07.18.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 03 Feb 2025 07:18:38 -0800 (PST) Message-ID: <14f4fcc5-b39e-495e-bdee-ef37fcca2d32@oss.qualcomm.com> Date: Mon, 3 Feb 2025 20:48:35 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 2/2] wifi: ath12k: Add Support to Calculate and Display TPC Values To: Roopni Devanathan , ath12k@lists.infradead.org Cc: linux-wireless@vger.kernel.org, Sowmiya Sree Elavalagan , Ramya Gnanasekar References: <20250130061104.962124-1-quic_rdevanat@quicinc.com> <20250130061104.962124-3-quic_rdevanat@quicinc.com> Content-Language: en-US From: Aditya Kumar Singh In-Reply-To: <20250130061104.962124-3-quic_rdevanat@quicinc.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: Z6k6930_xEe4YqUmqfTw5-vu3_9VmSt2 X-Proofpoint-GUID: Z6k6930_xEe4YqUmqfTw5-vu3_9VmSt2 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-02-03_06,2025-01-31_02,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 malwarescore=0 phishscore=0 bulkscore=0 priorityscore=1501 mlxscore=0 suspectscore=0 adultscore=0 impostorscore=0 clxscore=1015 lowpriorityscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2501170000 definitions=main-2502030112 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250203_071841_728641_5E7E0B01 X-CRM114-Status: GOOD ( 12.24 ) 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 1/30/25 11:41, Roopni Devanathan wrote: > From: Sowmiya Sree Elavalagan > > Transmit Power Control(TPC) stats should display per chain TPC value per > radio. Add debugfs support to read and display TPC stats type and TPC > stats. Take power values for each preamble type, rate and NSS combination > from a particular index from each power arrays based on number of chains, > NSS, modes, MCS and tx beamforming enabled/disabled parameters. Minimum > of the values taken from reg power table, rates and Conformance Test > Limit(CTL) array table should give the TPC which is in 0.25 dBm steps. > > Sample Output: > ------------- > echo 1 > /sys/kernel/debug/ath12k/pci-0000\:06\:00.0/mac0/tpc_stats_type > cat /sys/kernel/debug/ath12k/pci-0000\:06\:00.0/mac0/tpc_stats > > *************** TPC config ************** > * powers are in 0.25 dBm steps > reg domain-22 chan freq-5955 > power limit-126 max reg-domain Power-252 > No.of tx chain-4 No.of rates-1164 > **************** SU WITH TXBF **************** > TPC values for Active chains > Rate idx Preamble Rate code 1-Chain 2-Chain 3-Chain 4-Chain > 4 OFDM 0x000 39 15 1 -9 > 5 OFDM 0x001 39 15 1 -9 > ..... > 12 HT20 0x200 40 16 2 -8 > 13 HT20 0x201 40 16 2 -8 > ..... > 44 HT40 0x200 88 88 88 88 > 45 HT40 0x201 88 88 88 88 > ..... > 76 VHT20 0x300 40 16 2 -8 > 77 VHT20 0x301 40 16 2 -8 > ..... > 172 VHT40 0x300 88 88 88 88 > 173 VHT40 0x301 88 88 88 88 > ..... > 412 HE20 0x400 88 88 88 88 > 413 HE20 0x401 88 88 88 88 > ..... > 508 HE40 0x400 76 76 76 76 > 509 HE40 0x401 76 76 76 76 > ..... > 748 EHT20 0x50e 88 88 88 88 > 749 EHT20 0x50f 88 88 88 88 > ..... > 812 EHT40 0x50e 88 88 88 88 > 813 EHT40 0x50f 88 88 88 88 > ..... > > Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00214-QCAHKSWPL_SILICONZ-1 > > Signed-off-by: Sowmiya Sree Elavalagan > Co-developed-by: Ramya Gnanasekar > Signed-off-by: Ramya Gnanasekar > Co-developed-by: Roopni Devanathan > Signed-off-by: Roopni Devanathan > --- Reviewed-by: Aditya Kumar Singh -- Aditya