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qcacmn: Add wbm head/tail pointer stats to dp_txrx_stats

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Add wbm head/tail pointer stats to dp_txrx_stats and ring
usage percentage for all SRC and DST rings.
Stats added to the following cmd: iwpriv wlan0 txrx_stats 26 0

CRs-Fixed: 2865996
Change-Id: I7d144d87c5f3485ec9ba85f50b036b69a64e53c6
This commit is contained in:
Nisha Menon
2020-12-18 21:18:51 -08:00
committed by Subrat Dash
parent 7679b0651a
commit ed3a77563a
3 changed files with 58 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
dp/wifi3.0/dp_main.c
View File

@@ -8375,6 +8375,8 @@ char *dp_srng_get_str_from_hal_ring_type(enum hal_ring_type ring_type)
return "Rxdma_monitor_desc";
case RXDMA_MONITOR_STATUS:
return "Rxdma_monitor_status";
case WBM_IDLE_LINK:
return "WBM_hw_idle_link";
default:
dp_err("Invalid ring type");
break;

22
dp/wifi3.0/dp_stats.c
View File

@@ -4998,23 +4998,30 @@ dp_print_ring_stat_from_hal(struct dp_soc *soc, struct dp_srng *srng,
uint32_t headp;
int32_t hw_headp = -1;
int32_t hw_tailp = -1;
uint32_t ring_usage;
const char *ring_name;
struct hal_soc *hal_soc;
if (soc && srng && srng->hal_srng) {
hal_soc = (struct hal_soc *)soc->hal_soc;
ring_name = dp_srng_get_str_from_hal_ring_type(ring_type);
hal_get_sw_hptp(soc->hal_soc, srng->hal_srng, &tailp, &headp);
ring_usage = hal_get_ring_usage(srng->hal_srng,
ring_type, &headp, &tailp);
DP_PRINT_STATS("%s:SW:Head pointer = %d Tail Pointer = %d\n",
ring_name, headp, tailp);
DP_PRINT_STATS("%s:SW: Head = %d Tail = %d Ring Usage = %u",
ring_name, headp, tailp, ring_usage);
hal_get_hw_hptp(soc->hal_soc, srng->hal_srng, &hw_headp,
&hw_tailp, ring_type);
DP_PRINT_STATS("%s:HW:Head pointer = %d Tail Pointer = %d\n",
ring_name, hw_headp, hw_tailp);
ring_usage = 0;
if (hw_headp >= 0 && tailp >= 0)
ring_usage =
hal_get_ring_usage(
srng->hal_srng, ring_type,
&hw_headp, &hw_tailp);
DP_PRINT_STATS("%s:HW: Head = %d Tail = %d Ring Usage = %u",
ring_name, hw_headp, hw_tailp, ring_usage);
}
}
@@ -5113,6 +5120,9 @@ dp_print_ring_stats(struct dp_pdev *pdev)
RTPM_ID_DP_PRINT_RING_STATS))
return;
dp_print_ring_stat_from_hal(pdev->soc,
&pdev->soc->wbm_idle_link_ring,
WBM_IDLE_LINK);
dp_print_ring_stat_from_hal(pdev->soc,
&pdev->soc->reo_exception_ring,
REO_EXCEPTION);

40
hal/wifi3.0/hal_api.h
View File

@@ -2717,4 +2717,44 @@ void hal_flush_reg_write_work(hal_soc_handle_t hal_handle);
static inline void hal_flush_reg_write_work(hal_soc_handle_t hal_handle) { }
#endif
/**
* hal_get_ring_usage - Calculate the ring usage percentage
* @hal_ring_hdl: Ring pointer
* @ring_type: Ring type
* @headp: pointer to head value
* @tailp: pointer to tail value
*
* Calculate the ring usage percentage for src and dest rings
*
* Return: Ring usage percentage
*/
static inline
uint32_t hal_get_ring_usage(
hal_ring_handle_t hal_ring_hdl,
enum hal_ring_type ring_type, uint32_t *headp, uint32_t *tailp)
{
struct hal_srng *srng = (struct hal_srng *)hal_ring_hdl;
uint32_t num_avail, num_valid = 0;
uint32_t ring_usage;
if (srng->ring_dir == HAL_SRNG_SRC_RING) {
if (*tailp > *headp)
num_avail = ((*tailp - *headp) / srng->entry_size) - 1;
else
num_avail = ((srng->ring_size - *headp + *tailp) /
srng->entry_size) - 1;
if (ring_type == WBM_IDLE_LINK)
num_valid = num_avail;
else
num_valid = srng->num_entries - num_avail;
} else {
if (*headp >= *tailp)
num_valid = ((*headp - *tailp) / srng->entry_size);
else
num_valid = ((srng->ring_size - *tailp + *headp) /
srng->entry_size);
}
ring_usage = (100 * num_valid) / srng->num_entries;
return ring_usage;
}
#endif /* _HAL_APIH_ */