[PATCH 2/4] wifi: ath12k: Support Ring and SFM stats

[Jeff Johnson]

On 9/13/2024 1:29 AM, Roopni Devanathan wrote:
> From: Dinesh Karthikeyan <quic_dinek at quicinc.com>
> 
> Add support to request ring and SFM stats from firmware through HTT stats
> type 15 and 16 respectively. These stats give information such as ring
> size, ring address, valid number of words in ring, etc., for stats type 15
> and SFM buffer information, number of users, words used by users, etc.,
> for stat type 16.
> 
> Sample output:
> -------------
> echo 15 > /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
> HTT_STATS_STRING_TLV:
> data = TCL_GSE_CMD_RING
> 
> HTT_SRING_STATS_TLV:
> mac_id = 0
> ring_id = 0
> arena = 8
> .....
> 
> echo 16 > /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
> HTT_SFM_CMN_TLV:
> mac_id = 0
> buf_total = 1760
> mem_empty = 32895
> .....
> 
> HTT_STATS_STRING_TLV:
> data = PMAC_SFM_CLIENT0_RXPCU0
> 
> HTT_SFM_CLIENT_TLV:
> client_id = 0
> buf_min = 148
> buf_max = 445
> .....
> 
> HTT_SFM_CLIENT_USER_TLV:
> dwords_used_by_user_n =  0:0, 1:0, 2:0, 3:0, 4:0, 5:0, 6:0, 7:0, 8:0, 9:0,
> 10:0, 11:0, 12:0, 13:0, 14:0, 15:0, 16:0, 17:0, 18:0, 19:0, 20:0, 21:0,
> 22:0, 23:0, 24:0, 25:0, 26:0, 27:0, 28:0, 29:0, 30:0, 31:0, 32:0, 33:0,
> 34:0, 35:0, 36:0, 37:0, 38:0
> 
> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-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: Dinesh Karthikeyan <quic_dinek at quicinc.com>
> Signed-off-by: Roopni Devanathan <quic_rdevanat at quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson at quicinc.com>