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| author | Harshitha Prem <quic_hprem@quicinc.com> | 2023-03-15 13:24:43 +0300 |
|---|---|---|
| committer | Kalle Valo <quic_kvalo@quicinc.com> | 2023-03-22 12:47:04 +0300 |
| commit | 68e93ac5a31d4975b25f819b2dfe914c72abc3bb (patch) | |
| tree | 923d47100cbb9fa90a93f3746b7ef29f7d0a257d /tools/perf/scripts/python/stackcollapse.py | |
| parent | 5a78ac33e3cb8822da64dd1af196e83664b332b0 (diff) | |
| download | linux-68e93ac5a31d4975b25f819b2dfe914c72abc3bb.tar.xz | |
wifi: ath11k: fix BUFFER_DONE read on monitor ring rx buffer
Perform dma_sync_single_for_cpu() on monitor ring rx buffer before
reading BUFFER_DONE tag and do dma_unmap_single() only after device
had set BUFFER_DONE tag to the buffer.
Also when BUFFER_DONE tag is not set, allow the buffer to get read
next time without freeing skb.
This helps to fix AP+Monitor VAP with flood traffic scenario to see
monitor ring rx buffer overrun missing BUFFER_DONE tag to be set.
Also remove redundant rx dma buf free performed on DP
rx_mon_status_refill_ring.
Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.7.0.1-01744-QCAHKSWPL_SILICONZ-1
Signed-off-by: Sathishkumar Muruganandam <quic_murugana@quicinc.com>
Signed-off-by: Harshitha Prem <quic_hprem@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20230309164434.32660-1-quic_hprem@quicinc.com
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions