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qcacmn: Add event history logs for datapath

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Add support to log the important events in
datapath, which will help in debugging the
datapath issues.

IRQ handler, Napi poll and srng access start/end
are the events which are currently logged.

CRs-Fixed: 2457854
Change-Id: Iba105b0e79443b670a01a929f999f94e00ea92f2
This commit is contained in:
Rakesh Pillai
2019-05-31 20:28:30 +05:30
committed by nshrivas
parent a833f30506
commit 2529ae1c8a
13 changed files with 362 additions and 66 deletions
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64
dp/wifi3.0/dp_main.c
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@@ -74,6 +74,21 @@ extern int con_mode_monitor;
#endif
#endif
#ifdef WLAN_FEATURE_DP_EVENT_HISTORY
/*
* If WLAN_CFG_INT_NUM_CONTEXTS is changed, HIF_NUM_INT_CONTEXTS
* also should be updated accordingly
*/
QDF_COMPILE_TIME_ASSERT(num_intr_grps,
HIF_NUM_INT_CONTEXTS == WLAN_CFG_INT_NUM_CONTEXTS);
/*
* HIF_EVENT_HIST_MAX should always be power of 2
*/
QDF_COMPILE_TIME_ASSERT(hif_event_history_size,
(HIF_EVENT_HIST_MAX & (HIF_EVENT_HIST_MAX - 1)) == 0);
#endif /* WLAN_FEATURE_DP_EVENT_HISTORY */
#ifdef WLAN_RX_PKT_CAPTURE_ENH
#include "dp_rx_mon_feature.h"
#else
@@ -1360,6 +1375,40 @@ static void dp_srng_cleanup(struct dp_soc *soc, struct dp_srng *srng,
/* TODO: Need this interface from HIF */
void *hif_get_hal_handle(void *hif_handle);
#ifdef WLAN_FEATURE_DP_EVENT_HISTORY
int dp_srng_access_start(struct dp_intr *int_ctx, struct dp_soc *dp_soc,
void *hal_ring)
{
void *hal_soc = dp_soc->hal_soc;
uint32_t hp, tp;
uint8_t ring_id;
hal_get_sw_hptp(hal_soc, hal_ring, &tp, &hp);
ring_id = hal_srng_ring_id_get(hal_ring);
hif_record_event(dp_soc->hif_handle, int_ctx->dp_intr_id,
ring_id, hp, tp, HIF_EVENT_SRNG_ACCESS_START);
return hal_srng_access_start(hal_soc, hal_ring);
}
void dp_srng_access_end(struct dp_intr *int_ctx, struct dp_soc *dp_soc,
void *hal_ring)
{
void *hal_soc = dp_soc->hal_soc;
uint32_t hp, tp;
uint8_t ring_id;
hal_get_sw_hptp(hal_soc, hal_ring, &tp, &hp);
ring_id = hal_srng_ring_id_get(hal_ring);
hif_record_event(dp_soc->hif_handle, int_ctx->dp_intr_id,
ring_id, hp, tp, HIF_EVENT_SRNG_ACCESS_END);
return hal_srng_access_end(hal_soc, hal_ring);
}
#endif /* WLAN_FEATURE_DP_EVENT_HISTORY */
/*
* dp_service_srngs() - Top level interrupt handler for DP Ring interrupts
* @dp_ctx: DP SOC handle
@@ -1418,9 +1467,9 @@ static uint32_t dp_service_srngs(void *dp_ctx, uint32_t dp_budget)
/* Process REO Exception ring interrupt */
if (rx_err_mask) {
work_done = dp_rx_err_process(soc,
soc->reo_exception_ring.hal_srng,
remaining_quota);
work_done = dp_rx_err_process(int_ctx, soc,
soc->reo_exception_ring.hal_srng,
remaining_quota);
if (work_done) {
intr_stats->num_rx_err_ring_masks++;
@@ -1437,8 +1486,9 @@ static uint32_t dp_service_srngs(void *dp_ctx, uint32_t dp_budget)
/* Process Rx WBM release ring interrupt */
if (rx_wbm_rel_mask) {
work_done = dp_rx_wbm_err_process(soc,
soc->rx_rel_ring.hal_srng, remaining_quota);
work_done = dp_rx_wbm_err_process(int_ctx, soc,
soc->rx_rel_ring.hal_srng,
remaining_quota);
if (work_done) {
intr_stats->num_rx_wbm_rel_ring_masks++;
@@ -1476,7 +1526,7 @@ static uint32_t dp_service_srngs(void *dp_ctx, uint32_t dp_budget)
}
if (reo_status_mask) {
if (dp_reo_status_ring_handler(soc))
if (dp_reo_status_ring_handler(int_ctx, soc))
int_ctx->intr_stats.num_reo_status_ring_masks++;
}
@@ -1501,7 +1551,7 @@ static uint32_t dp_service_srngs(void *dp_ctx, uint32_t dp_budget)
if (int_ctx->rxdma2host_ring_mask &
(1 << mac_for_pdev)) {
work_done = dp_rxdma_err_process(soc,
work_done = dp_rxdma_err_process(int_ctx, soc,
mac_for_pdev,
remaining_quota);
if (work_done)