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qcacmn: Add support for Rx refill ring history

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

Change-Id: I034014eacfc510ec6f416fca601fa864326de9c2
CRs-Fixed: 2930005
This commit is contained in:
Karthik Kantamneni 2021-03-07 11:50:32 +05:30 • committed by Madan Koyyalamudi
commit a7441f61f3
3 changed files with 104 additions and 0 deletions
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16
dp/wifi3.0/dp_main.c
View file

@ -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

50
dp/wifi3.0/dp_rx.c
View file

@ -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);
}

38
dp/wifi3.0/dp_types.h
View file

@ -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 */