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Commit a7441f61 authored by Karthik Kantamneni's avatar Karthik Kantamneni Committed by Madan Koyyalamudi
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qcacmn: Add support for Rx refill ring history 

Add support for Rx refill ring history, maintain records of refill info
during RXDMA ring replenish.

Change-Id: I034014eacfc510ec6f416fca601fa864326de9c2
CRs-Fixed: 2930005
parent 8118b073

dp/wifi3.0/dp_main.c

+16 −0
Original line number Diff line number Diff line
@@ -4198,10 +4198,12 @@ static void dp_soc_rx_history_attach(struct dp_soc *soc) 
	uint32_t rx_ring_hist_size;

	uint32_t rx_err_ring_hist_size;

	uint32_t rx_reinject_hist_size;

	uint32_t rx_refill_ring_hist_size;



	rx_ring_hist_size = sizeof(*soc->rx_ring_history[0]);

	rx_err_ring_hist_size = sizeof(*soc->rx_err_ring_history);

	rx_reinject_hist_size = sizeof(*soc->rx_reinject_ring_history);

	rx_refill_ring_hist_size = sizeof(*soc->rx_refill_ring_history[0]);



	for (i = 0; i < MAX_REO_DEST_RINGS; i++) {

		soc->rx_ring_history[i] = dp_context_alloc_mem(
@@ -4216,6 +4218,16 @@ static void dp_soc_rx_history_attach(struct dp_soc *soc) 
		qdf_atomic_init(&soc->rx_err_ring_history->index);



	dp_soc_rx_reinject_ring_history_attach(soc);



	for (i = 0; i < MAX_PDEV_CNT; i++) {

		soc->rx_refill_ring_history[i] = dp_context_alloc_mem(

						soc,

						DP_RX_REFILL_RING_HIST_TYPE,

						rx_refill_ring_hist_size);



		if (soc->rx_refill_ring_history[i])

			qdf_atomic_init(&soc->rx_refill_ring_history[i]->index);

	}

}



static void dp_soc_rx_history_detach(struct dp_soc *soc)
@@ -4235,6 +4247,10 @@ static void dp_soc_rx_history_detach(struct dp_soc *soc) 
	 */

	dp_context_free_mem(soc, DP_RX_REINJECT_RING_HIST_TYPE,

			    soc->rx_reinject_ring_history);



	for (i = 0; i < MAX_PDEV_CNT; i++)

		dp_context_free_mem(soc, DP_RX_REFILL_RING_HIST_TYPE,

				    soc->rx_refill_ring_history[i]);

}



#else

dp/wifi3.0/dp_rx.c

+50 −0
Original line number Diff line number Diff line
@@ -190,6 +190,51 @@ dp_pdev_frag_alloc_and_map(struct dp_soc *dp_soc, 
}

#endif /* DP_RX_MON_MEM_FRAG */



#ifdef WLAN_FEATURE_DP_RX_RING_HISTORY

/**

 * dp_rx_refill_ring_record_entry() - Record an entry into refill_ring history

 * @soc: Datapath soc structure

 * @ring_num: Refill ring number

 * @num_req: number of buffers requested for refill

 * @num_refill: number of buffers refilled

 *

 * Returns: None

 */

static inline void

dp_rx_refill_ring_record_entry(struct dp_soc *soc, uint8_t ring_num,

			       hal_ring_handle_t hal_ring_hdl,

			       uint32_t num_req, uint32_t num_refill)

{

	struct dp_refill_info_record *record;

	uint32_t idx;

	uint32_t tp;

	uint32_t hp;



	if (qdf_unlikely(!soc->rx_refill_ring_history[ring_num]))

		return;



	idx = dp_history_get_next_index(&soc->rx_refill_ring_history[ring_num]->index,

					DP_RX_REFILL_HIST_MAX);



	/* No NULL check needed for record since its an array */

	record = &soc->rx_refill_ring_history[ring_num]->entry[idx];



	hal_get_sw_hptp(soc->hal_soc, hal_ring_hdl, &tp, &hp);

	record->timestamp = qdf_get_log_timestamp();

	record->num_req = num_req;

	record->num_refill = num_refill;

	record->hp = hp;

	record->tp = tp;

}

#else

static inline void

dp_rx_refill_ring_record_entry(struct dp_soc *soc, uint8_t ring_num,

			       hal_ring_handle_t hal_ring_hdl,

			       uint32_t num_req, uint32_t num_refill)

{

}

#endif



/**

 * dp_pdev_nbuf_alloc_and_map() - Allocate nbuf for desc buffer and map

 *
@@ -416,6 +461,9 @@ QDF_STATUS __dp_rx_buffers_replenish(struct dp_soc *dp_soc, uint32_t mac_id, 


	dp_rx_refill_buff_pool_unlock(dp_soc);



	dp_rx_refill_ring_record_entry(dp_soc, mac_id, rxdma_srng,

				       num_req_buffers, count);



	hal_srng_access_end(dp_soc->hal_soc, rxdma_srng);



	dp_rx_schedule_refill_thread(dp_soc);
@@ -3167,6 +3215,8 @@ dp_pdev_rx_buffers_attach(struct dp_soc *dp_soc, uint32_t mac_id, 
			desc_list = next;

		}



		dp_rx_refill_ring_record_entry(dp_soc, mac_id, rxdma_srng,

					       nr_nbuf, nr_nbuf);

		hal_srng_access_end(dp_soc->hal_soc, rxdma_srng);

	}

dp/wifi3.0/dp_types.h

+38 −0
Original line number Diff line number Diff line
@@ -377,6 +377,7 @@ struct dp_rx_nbuf_frag_info { 
 * @DP_RX_RING_HIST_TYPE: Datapath rx ring history

 * @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

 */

enum dp_ctxt_type {

	DP_PDEV_TYPE,
@@ -384,6 +385,7 @@ enum dp_ctxt_type { 
	DP_RX_ERR_RING_HIST_TYPE,

	DP_RX_REINJECT_RING_HIST_TYPE,

	DP_FISA_RX_FT_TYPE,

	DP_RX_REFILL_RING_HIST_TYPE,

};



/**
@@ -1129,6 +1131,7 @@ struct rx_refill_buff_pool { 
	bool is_initialized;

};



#ifdef WLAN_FEATURE_DP_RX_RING_HISTORY

/*

 * The logic for get current index of these history is dependent on this

 * value being power of 2.
@@ -1136,6 +1139,7 @@ struct rx_refill_buff_pool { 
#define DP_RX_HIST_MAX 2048

#define DP_RX_ERR_HIST_MAX 4096

#define DP_RX_REINJECT_HIST_MAX 1024

#define DP_RX_REFILL_HIST_MAX 2048



QDF_COMPILE_TIME_ASSERT(rx_history_size,

			(DP_RX_HIST_MAX &
@@ -1146,6 +1150,10 @@ QDF_COMPILE_TIME_ASSERT(rx_err_history_size, 
QDF_COMPILE_TIME_ASSERT(rx_reinject_history_size,

			(DP_RX_REINJECT_HIST_MAX &

			 (DP_RX_REINJECT_HIST_MAX - 1)) == 0);

QDF_COMPILE_TIME_ASSERT(rx_refill_history_size,

			(DP_RX_REFILL_HIST_MAX &

			(DP_RX_REFILL_HIST_MAX - 1)) == 0);





/**

 * struct dp_buf_info_record - ring buffer info
@@ -1157,6 +1165,22 @@ struct dp_buf_info_record { 
	uint64_t timestamp;

};



/**

 * struct dp_refill_info_record - ring refill buffer info

 * @hp: HP value after refill

 * @tp: cached tail value during refill

 * @num_req: number of buffers requested to refill

 * @num_refill: number of buffers refilled to ring

 * @timestamp: timestamp when this entry was recorded

 */

struct dp_refill_info_record {

	uint32_t hp;

	uint32_t tp;

	uint32_t num_req;

	uint32_t num_refill;

	uint64_t timestamp;

};



/* struct dp_rx_history - rx ring hisotry

 * @index: Index where the last entry is written

 * @entry: history entries
@@ -1184,6 +1208,17 @@ struct dp_rx_reinject_history { 
	struct dp_buf_info_record entry[DP_RX_REINJECT_HIST_MAX];

};



/* struct dp_rx_refill_history - rx buf refill hisotry

 * @index: Index where the last entry is written

 * @entry: history entries

 */

struct dp_rx_refill_history {

	qdf_atomic_t index;

	struct dp_refill_info_record entry[DP_RX_REFILL_HIST_MAX];

};



#endif



/* structure to record recent operation related variable */

struct dp_last_op_info {

	/* last link desc buf info through WBM release ring */
@@ -1559,9 +1594,12 @@ struct dp_soc { 
		TAILQ_HEAD(, dp_ast_entry) * bins;

	} ast_hash;



#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];

	struct dp_rx_err_history *rx_err_ring_history;

	struct dp_rx_reinject_history *rx_reinject_ring_history;

#endif



	qdf_spinlock_t ast_lock;

	/*Timer for AST entry ageout maintainance */