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qcacmn: Add TX descriptor history support

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Add history to log HW TX descriptors programmed in TX ring.

Change-Id: Ia17e5557115f20508ed22c045941c0645c46ef1d
CRs-Fixed: 2928996
This commit is contained in:
Karthik Kantamneni
2021-04-27 21:46:55 +05:30
committed by Madan Koyyalamudi
parent e7c7eb280a
commit c68ad7037a
3 changed files with 94 additions and 0 deletions
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37
dp/wifi3.0/dp_main.c
View File

@@ -4481,6 +4481,41 @@ static QDF_STATUS dp_htt_ppdu_stats_attach(struct dp_pdev *pdev)
return QDF_STATUS_SUCCESS;
}
#ifdef DP_TX_HW_DESC_HISTORY
/**
* dp_soc_tx_hw_desc_history_attach - Attach TX HW descriptor history
*
* @soc: DP soc handle
*
* Return: None
*/
static void dp_soc_tx_hw_desc_history_attach(struct dp_soc *soc)
{
soc->tx_hw_desc_history = dp_context_alloc_mem(
soc, DP_TX_HW_DESC_HIST_TYPE,
sizeof(struct dp_tx_hw_desc_evt));
if (soc->tx_hw_desc_history)
soc->tx_hw_desc_history->index = 0;
}
static void dp_soc_tx_hw_desc_history_detach(struct dp_soc *soc)
{
dp_context_free_mem(soc, DP_TX_HW_DESC_HIST_TYPE,
soc->tx_hw_desc_history);
}
#else /* DP_TX_HW_DESC_HISTORY */
static inline void
dp_soc_tx_hw_desc_history_attach(struct dp_soc *soc)
{
}
static inline void
dp_soc_tx_hw_desc_history_detach(struct dp_soc *soc)
{
}
#endif /* DP_TX_HW_DESC_HISTORY */
#ifdef WLAN_FEATURE_DP_RX_RING_HISTORY
#ifndef RX_DEFRAG_DO_NOT_REINJECT
/**
@@ -5157,6 +5192,7 @@ static void dp_soc_detach(struct cdp_soc_t *txrx_soc)
dp_hw_link_desc_ring_free(soc);
dp_hw_link_desc_pool_banks_free(soc, WLAN_INVALID_PDEV_ID);
wlan_cfg_soc_detach(soc->wlan_cfg_ctx);
dp_soc_tx_hw_desc_history_detach(soc);
dp_soc_rx_history_detach(soc);
if (soc->mon_vdev_timer_state & MON_VDEV_TIMER_INIT) {
qdf_timer_free(&soc->mon_vdev_timer);
@@ -12687,6 +12723,7 @@ dp_soc_attach(struct cdp_ctrl_objmgr_psoc *ctrl_psoc,
/* Reset wbm sg list and flags */
dp_rx_wbm_sg_list_reset(soc);
dp_soc_tx_hw_desc_history_attach(soc);
dp_soc_rx_history_attach(soc);
wlan_set_srng_cfg(&soc->wlan_srng_cfg);
soc->wlan_cfg_ctx = wlan_cfg_soc_attach(soc->ctrl_psoc);

31
dp/wifi3.0/dp_tx.c
View File

@@ -1392,6 +1392,34 @@ dp_tx_ring_access_end_wrapper(struct dp_soc *soc,
}
#endif
#ifdef DP_TX_HW_DESC_HISTORY
static inline void
dp_tx_hw_desc_update_evt(uint8_t *hal_tx_desc_cached,
hal_ring_handle_t hal_ring_hdl,
struct dp_soc *soc)
{
struct dp_tx_hw_desc_evt *evt;
uint64_t idx = 0;
idx = ++soc->tx_hw_desc_history->index;
if (idx == DP_TX_HW_DESC_HIST_MAX)
soc->tx_hw_desc_history->index = 0;
idx = (idx % DP_TX_HW_DESC_HIST_MAX);
evt = &soc->tx_hw_desc_history->entry[idx];
qdf_mem_copy(evt->tcl_desc, hal_tx_desc_cached, HAL_TX_DESC_LEN_BYTES);
evt->posted = qdf_get_log_timestamp();
hal_get_sw_hptp(soc->hal_soc, hal_ring_hdl, &evt->tp, &evt->hp);
}
#else
static inline void
dp_tx_hw_desc_update_evt(uint8_t *hal_tx_desc_cached,
hal_ring_handle_t hal_ring_hdl,
struct dp_soc *soc)
{
}
#endif
/**
* dp_tx_hw_enqueue() - Enqueue to TCL HW for transmit
* @soc: DP Soc Handle
@@ -1526,6 +1554,9 @@ dp_tx_hw_enqueue(struct dp_soc *soc, struct dp_vdev *vdev,
dp_tx_update_stats(soc, tx_desc->nbuf);
status = QDF_STATUS_SUCCESS;
dp_tx_hw_desc_update_evt((uint8_t *)hal_tx_desc_cached,
hal_ring_hdl, soc);
ring_access_fail:
dp_tx_ring_access_end_wrapper(soc, hal_ring_hdl, coalesce);

26
dp/wifi3.0/dp_types.h
View File

@@ -380,6 +380,7 @@ struct dp_rx_nbuf_frag_info {
* @DP_RX_ERR_RING_HIST_TYPE: Datapath rx error ring history
* @DP_RX_REINJECT_RING_HIST_TYPE: Datapath reinject ring history
* @DP_RX_REFILL_RING_HIST_TYPE: Datapath rx refill ring history
* @DP_TX_HW_DESC_HIST_TYPE: Datapath TX HW descriptor history
*/
enum dp_ctxt_type {
DP_PDEV_TYPE,
@@ -388,6 +389,7 @@ enum dp_ctxt_type {
DP_RX_REINJECT_RING_HIST_TYPE,
DP_FISA_RX_FT_TYPE,
DP_RX_REFILL_RING_HIST_TYPE,
DP_TX_HW_DESC_HIST_TYPE,
};
/**
@@ -1165,6 +1167,26 @@ struct rx_refill_buff_pool {
bool is_initialized;
};
#ifdef DP_TX_HW_DESC_HISTORY
#define DP_TX_HW_DESC_HIST_MAX 6144
struct dp_tx_hw_desc_evt {
uint8_t tcl_desc[HAL_TX_DESC_LEN_BYTES];
uint64_t posted;
uint32_t hp;
uint32_t tp;
};
/* struct dp_tx_hw_desc_history - TX HW desc hisotry
* @index: Index where the last entry is written
* @entry: history entries
*/
struct dp_tx_hw_desc_history {
uint64_t index;
struct dp_tx_hw_desc_evt entry[DP_TX_HW_DESC_HIST_MAX];
};
#endif
#ifdef WLAN_FEATURE_DP_RX_RING_HISTORY
/*
* The logic for get current index of these history is dependent on this
@@ -1653,6 +1675,10 @@ struct dp_soc {
TAILQ_HEAD(, dp_ast_entry) * bins;
} ast_hash;
#ifdef DP_TX_HW_DESC_HISTORY
struct dp_tx_hw_desc_history *tx_hw_desc_history;
#endif
#ifdef WLAN_FEATURE_DP_RX_RING_HISTORY
struct dp_rx_history *rx_ring_history[MAX_REO_DEST_RINGS];
struct dp_rx_refill_history *rx_refill_ring_history[MAX_PDEV_CNT];