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qcacmn: Add support to track high watermark for SRNGs

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Add support to track the high watermark for the number
of entries which are used at any given instant. This helps
in identifying if the ring size is sufficient or is being
full for certain use-cases.

Change-Id: Id3ffa52c653696699fbcfbb556a815d5f7908863
CRs-Fixed: 3235115
This commit is contained in:
Rakesh Pillai
2022-07-01 07:16:57 -07:00
committed by Madan Koyyalamudi
parent 162ab8974a
commit 9ba8236444
8 changed files with 294 additions and 2 deletions
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38
hal/wifi3.0/hal_internal.h
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@@ -502,6 +502,41 @@ struct hal_offload_info {
uint32_t flow_id;
};
#ifdef WLAN_DP_SRNG_USAGE_WM_TRACKING
/**
* enum hal_srng_high_wm_bin - BIN for SRNG high watermark
* @HAL_SRNG_HIGH_WM_BIN_BELOW_50_PERCENT: <50% SRNG entries used
* @HAL_SRNG_HIGH_WM_BIN_50_to_60: 50-60% SRNG entries used
* @HAL_SRNG_HIGH_WM_BIN_60_to_70: 60-70% SRNG entries used
* @HAL_SRNG_HIGH_WM_BIN_70_to_80: 70-80% SRNG entries used
* @HAL_SRNG_HIGH_WM_BIN_80_to_90: 80-90% SRNG entries used
* @HAL_SRNG_HIGH_WM_BIN_90_to_100: 90-100% SRNG entries used
*/
enum hal_srng_high_wm_bin {
HAL_SRNG_HIGH_WM_BIN_BELOW_50_PERCENT,
HAL_SRNG_HIGH_WM_BIN_50_to_60,
HAL_SRNG_HIGH_WM_BIN_60_to_70,
HAL_SRNG_HIGH_WM_BIN_70_to_80,
HAL_SRNG_HIGH_WM_BIN_80_to_90,
HAL_SRNG_HIGH_WM_BIN_90_to_100,
HAL_SRNG_HIGH_WM_BIN_MAX,
};
/**
* struct hal_srng_high_wm_info - SRNG usage high watermark info
* @val: highest number of entries used in SRNG
* @timestamp: Timestamp when the max num entries were in used for a SRNG
* @bin_thresh: threshold for each bins
* @bins: Bins for srng usage
*/
struct hal_srng_high_wm_info {
uint32_t val;
uint64_t timestamp;
uint32_t bin_thresh[HAL_SRNG_HIGH_WM_BIN_MAX];
uint32_t bins[HAL_SRNG_HIGH_WM_BIN_MAX];
};
#endif
/* Common SRNG ring structure for source and destination rings */
struct hal_srng {
/* Unique SRNG ring ID */
@@ -650,6 +685,9 @@ struct hal_srng {
/* srng specific delayed write stats */
struct hal_reg_write_srng_stats wstats;
#endif
#ifdef WLAN_DP_SRNG_USAGE_WM_TRACKING
struct hal_srng_high_wm_info high_wm;
#endif
};
/* HW SRNG configuration table */