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Commit 0885ca51 authored by Karthik Kantamneni's avatar Karthik Kantamneni
Browse files

qcacmn: Add TX descriptor history support 

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

Change-Id: Ia17e5557115f20508ed22c045941c0645c46ef1d
CRs-Fixed: 2928996
parent 91dd6fec

dp/wifi3.0/dp_main.c

+37 −0
Original line number Diff line number Diff line
@@ -4157,6 +4157,41 @@ 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

/**
@@ -4827,6 +4862,7 @@ 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);
@@ -12118,6 +12154,7 @@ 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);

dp/wifi3.0/dp_tx.c

+31 −0
Original line number Diff line number Diff line
@@ -1409,6 +1409,34 @@ 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
@@ -1560,6 +1588,9 @@ 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);

dp/wifi3.0/dp_types.h

+26 −0
Original line number Diff line number Diff line
@@ -378,6 +378,7 @@ 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,
@@ -386,6 +387,7 @@ 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,

};



/**
@@ -1131,6 +1133,26 @@ 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
@@ -1594,6 +1616,10 @@ 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];