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ath11k: Supporting RX ring backpressure HTT event and stats handling

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The Firmware sends HTT event to host whenever there is a
backpressure on RX rings, Handling such event and dumping
info on the console under the "ATH11K_DBG_DP_HTT"  debug level.

Fetching RX ring backpressure histogram from FW via htt_stats debugfs.

 #echo "24" > /sys/kernel/debug/ath11k/ipq8074/macX/htt_stats_type
 #cat /sys/kernel/debug/ath11k/ipq8074/macX/htt_stats

Signed-off-by: Vikas Patel <vikpatel@codeaurora.org>
Signed-off-by: Sriram R <srirrama@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Sriram R 2020-03-16 14:58:40 +05:30 • committed by Kalle Valo
commit 678e8414bf
5 changed files with 108 additions and 0 deletions
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