wifi: ath12k: Handle monitor drop TLVs scenario

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During monitor destination ring back-pressure, hardware failed to send
HAL_RX_PPDU_END_STATUS_DONE TLV. But driver uses this TLV as a delimiter
to complete one PPDU worth of data parsing. This causes driver to overwrite
the existing PPDU information with the new PPDU information.

Fix it by recording the end reason which is provided under each buffer's
descriptor in skb->cb and uses it while parsing TLV tags to mark the PPDU
end delimiter.

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/20241223060132.3506372-14-quic_ppranees@quicinc.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>

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This commit is contained in:

P Praneesh 2024-12-23 11:31:31 +05:30 • committed by Jeff Johnson

parent ecfc131389

commit 3bcc4e830e

2 changed files with 9 additions and 1 deletions

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1

drivers/net/wireless/ath/ath12k/core.h

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9

drivers/net/wireless/ath/ath12k/dp_mon.c

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