wifi: ath12k: Handle PPDU spread across multiple buffers
Each PPDU contains numerous TLV tags. HAL_RX_PPDU_START marks the start of the PPDU, and HAL_RX_PPDU_END_STATUS_DONE marks the end. From the monitor destination rings, the driver retrieves skb containing these TLV tags and their corresponding data. Sometimes, one PPDU’s information spreads across multiple skbs. The current parsing logic uses memset on struct hal_rx_mon_ppdu_info after parsing each skb, leading to information loss if a PPDU spans multiple skbs. Fix this by setting the ppdu_continuation flag when the driver fails to get HAL_RX_PPDU_END_STATUS_DONE, and do memset on struct hal_rx_mon_ppdu_info only when the ppdu_continuation flag is not set. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Signed-off-by:P Praneesh <quic_ppranees@quicinc.com> Link: https://patch.msgid.link/20241223060132.3506372-12-quic_ppranees@quicinc.com Signed-off-by:
Jeff Johnson <jeff.johnson@oss.qualcomm.com>
Loading
Please sign in to comment