[PATCH ath-next] wifi: ath12k: Support channel change stats

Jeff Johnson jeff.johnson at oss.qualcomm.com
Tue Apr 7 17:50:24 PDT 2026


On Thu, 26 Mar 2026 10:36:41 +0530, Roopni Devanathan wrote:
> Add support to request channel change stats from the firmware through
> HTT stats type 76. These stats give channel switch details like the
> channel that the radio changed to, its center frequency, time taken
> for the switch, chainmask details, etc.
> 
> Sample output:
> echo 76 > /sys/kernel/debug/ath12k/pci-0000\:06\:00.0/mac0/htt_stats_type
> cat /sys/kernel/debug/ath12k/pci-0000\:06\:00.0/mac0/htt_stats
> Channel Change Timings:
> |PRIMARY CHANNEL FREQ|BANDWIDTH CENTER FREQ|PHYMODE|TX_CHAINMASK|RX_CHAINMASK|SWITCH TIME(us)|INI(us)|TPC+CTL(us)|CAL(us)|MISC(us)|CTL(us)|SW PROFILE|
> |                5200|                 5200|     24|          15|          15|         448850|   2410|      10546| 434593|    1071|   1100|         4|
> |                5240|                 5240|     24|          15|          15|         450730|   4106|      10524| 434528|    1306|   1150|         4|
> |                5180|                 5210|     26|          15|          15|         467894|   4764|      10438| 451101|    1337|   1508|         4|
> |                5200|                 5200|      0|          15|          15|          13838|   2692|       1736|   8558|     686|    802|         6|
> |                5180|                 5180|      0|          15|          15|          13465|   3207|        855|   8579|     578|    760|         6|
> |                5200|                 5200|     24|          15|          15|         570321|   2441|      10439| 555661|    1574|    949|         4|
> 
> [...]

Applied, thanks!

[1/1] wifi: ath12k: Support channel change stats
      commit: af5708ed67fc562bc45fafbd0f95789c464c0105

Best regards,
-- 
Jeff Johnson <jeff.johnson at oss.qualcomm.com>




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