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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE0MDE3NSBTYWx0ZWRfX4KxQDNVp+onl h0LQ2QqT4vRw4pWguKVISdfAZIRdsN3CBwDV6t1Du5KHXaO/YRggosNtJZh733Q2Bd+MMpc4FUm nYIveFyBwqcjGbOXSR+o0JD85a7LgkJASCYc1HkefTcGQ7KuQQDpYgn32tyCmVbbdAe2XxbVd8k QDB8a5X5+2+FPk5qMx0fQn7hqVRK7Qmqcmt2ho9kyM5T1T3e6pLThJVyfjATkL0LmC9d2Laei/P s1G8uFnyQ7IaZiRt0Od+fbBYQumH9JWoxB2cATQXmMtnDc+XWmJfbPoMeg4WRtCKxgr++7pymM1 nuKYqXypoe5HT6YjT0HNThpAjA10fbzSH/NESzTxaFZj9Tmmh85tlB/WTdHn5Xfu/WeKko2ogvz Gku7MDIXUGIV5J2v6+3mbbAPUY6etaESENayHUgv2CCASXiXTVfBRJXmEeQP6UjtaOV5Vi0JeC0 8W/B013Af6o+P1XrsRg== X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE0MDE3NSBTYWx0ZWRfX4bkLSzN7Gcni C/F8ebKHoqHDK3x6kAge11rlpSxuCDxv7rBOfEfXXXgJdEZFvmPHi6ppfL8FTGFzc3QoRsIZllG nJGzMeEKkiI7PkUOugd0S7+hLxC0dzk= X-Authority-Analysis: v=2.4 cv=U+Oiy+ru c=1 sm=1 tr=0 ts=6a5669df cx=c_pps a=Qgeoaf8Lrialg5Z894R3/Q==:117 a=kllYWVK2JqQtNyhMtAlpJw==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=EUspDBNiAAAA:8 a=APCbmnoeBd6G2hkCapYA:9 a=QEXdDO2ut3YA:10 a=x9snwWr2DeNwDh03kgHS:22 X-Proofpoint-GUID: lV_zD1V13y2r_PXxUhEIkuE3Utst8s-p X-Proofpoint-ORIG-GUID: lV_zD1V13y2r_PXxUhEIkuE3Utst8s-p X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-14_04,2026-07-14_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 malwarescore=0 bulkscore=0 lowpriorityscore=0 suspectscore=0 clxscore=1015 priorityscore=1501 impostorscore=0 adultscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607140175 On 6/22/2026 11:56 AM, Thiraviyam Mariyappan wrote: > Currently when running 128 clients UDP DL test in 5 GHz HE80 (NSS 2x2), > firmware uses the default max MSDU count (16K MSDUs). This lower limit > causes the firmware to compute a smaller TQM drop threshold, aggregate > packets at a reduced rate, and results in increased packet drops with > TQM drop threshold as the completion reason. > > To fix this issue, set WMI_PDEV_PARAM_SET_CONG_CTRL_MAX_MSDUS to the TX > descriptor count using ath12k_wmi_pdev_set_param(). This increases the > TQM drop threshold, reduces drop events, and improves throughput from > ~722 Mbps to ~1060 Mbps with 1200 Mbps ingress. > > Add a new HW capability flag (supports_cong_ctrl_max_msdus) and enable > the WMI parameter only on supported platforms. > > Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.6-01181-QCAHKSWPL_SILICONZ-1 > > Signed-off-by: Thiraviyam Mariyappan Reviewed-by: Rameshkumar Sundaram