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qcacmn: Configure DP interrupt mitigation values based on ring type

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Currently interrupt mitigation values are configured for per-packet interrupts.
Change this for core DP rings (REO Destination and WBM Tx Completions) to reduce
CPU overhead of interrupt processing

Change-Id: I7bf0f6e78c52b5678ad3c8cc4d829444e410fad3
CRs-Fixed: 2064113
This commit is contained in:
Pamidipati, Vijay
2017-06-21 03:20:25 +05:30
committed by snandini
parent be23decc06
commit 45b1df25fc
4 changed files with 163 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
dp/wifi3.0/dp_main.c
View File

@@ -120,7 +120,7 @@ const int dp_stats_mapping_table[][STATS_TYPE_MAX] = {
{TXRX_FW_STATS_INVALID, TXRX_RX_HOST_STATS},
};
/**
/*
* dp_setup_srng - Internal function to setup SRNG rings used by data path
*/
static int dp_srng_setup(struct dp_soc *soc, struct dp_srng *srng,
@@ -158,11 +158,26 @@ static int dp_srng_setup(struct dp_soc *soc, struct dp_srng *srng,
ring_params.msi_data = 0;
ring_params.msi_addr = 0;
/* TODO: Setup interrupt timer and batch counter thresholds for
/*
* Setup interrupt timer and batch counter thresholds for
* interrupt mitigation based on ring type
*/
ring_params.intr_timer_thres_us = 8;
ring_params.intr_batch_cntr_thres_entries = 1;
if (ring_type == REO_DST) {
ring_params.intr_timer_thres_us =
wlan_cfg_get_int_timer_threshold_rx(soc->wlan_cfg_ctx);
ring_params.intr_batch_cntr_thres_entries =
wlan_cfg_get_int_batch_threshold_rx(soc->wlan_cfg_ctx);
} else if (ring_type == WBM2SW_RELEASE && (ring_num < 3)) {
ring_params.intr_timer_thres_us =
wlan_cfg_get_int_timer_threshold_tx(soc->wlan_cfg_ctx);
ring_params.intr_batch_cntr_thres_entries =
wlan_cfg_get_int_batch_threshold_tx(soc->wlan_cfg_ctx);
} else {
ring_params.intr_timer_thres_us =
wlan_cfg_get_int_timer_threshold_other(soc->wlan_cfg_ctx);
ring_params.intr_batch_cntr_thres_entries =
wlan_cfg_get_int_timer_threshold_other(soc->wlan_cfg_ctx);
}
/* TODO: Currently hal layer takes care of endianness related settings.
* See if these settings need to passed from DP layer

9
hal/wifi3.0/hal_srng.c
View File

@@ -866,10 +866,17 @@ static inline void hal_srng_src_hw_init(struct hal_soc *hal,
* if level mode is required
*/
reg_val = 0;
/*
* WAR - Hawkeye v1 has a hardware bug which requires timer value to be
* programmed in terms of 1us resolution instead of 8us resolution as
* given in MLD.
*/
if (srng->intr_timer_thres_us) {
reg_val |= SRNG_SM(SRNG_SRC_FLD(CONSUMER_INT_SETUP_IX0,
INTERRUPT_TIMER_THRESHOLD),
srng->intr_timer_thres_us >> 3);
srng->intr_timer_thres_us);
/* For HK v2 this should be (srng->intr_timer_thres_us >> 3) */
}
if (srng->intr_batch_cntr_thres_entries) {

103
wlan_cfg/wlan_cfg.c
View File

@@ -31,6 +31,48 @@
* For now, all these configuration parameters are hardcoded.
* Many of these should actually be coming from dts file/ini file
*/
#ifdef CONFIG_MCL
#define WLAN_CFG_PER_PDEV_RX_RING 0
#define NUM_RXDMA_RINGS_PER_PDEV 2
#define WLAN_LRO_ENABLE 1
/* Tx Descriptor and Tx Extension Descriptor pool sizes */
#define WLAN_CFG_NUM_TX_DESC 1024
#define WLAN_CFG_NUM_TX_EXT_DESC 1024
/* Interrupt Mitigation - Batch threshold in terms of number of frames */
#define WLAN_CFG_INT_BATCH_THRESHOLD_TX 1
#define WLAN_CFG_INT_BATCH_THRESHOLD_RX 1
#define WLAN_CFG_INT_BATCH_THRESHOLD_OTHER 1
/* Interrupt Mitigation - Timer threshold in us */
#define WLAN_CFG_INT_TIMER_THRESHOLD_TX 8
#define WLAN_CFG_INT_TIMER_THRESHOLD_RX 8
#define WLAN_CFG_INT_TIMER_THRESHOLD_OTHER 8
#endif
#ifdef CONFIG_WIN
#define WLAN_CFG_PER_PDEV_RX_RING 1
#define NUM_RXDMA_RINGS_PER_PDEV 1
#define WLAN_LRO_ENABLE 0
/* Tx Descriptor and Tx Extension Descriptor pool sizes */
#define WLAN_CFG_NUM_TX_DESC (16 << 10)
#define WLAN_CFG_NUM_TX_EXT_DESC (8 << 10)
/* Interrupt Mitigation - Batch threshold in terms of number of frames */
#define WLAN_CFG_INT_BATCH_THRESHOLD_TX 256
#define WLAN_CFG_INT_BATCH_THRESHOLD_RX 128
#define WLAN_CFG_INT_BATCH_THRESHOLD_OTHER 1
/* Interrupt Mitigation - Timer threshold in us */
#define WLAN_CFG_INT_TIMER_THRESHOLD_TX 1000
#define WLAN_CFG_INT_TIMER_THRESHOLD_RX 500
#define WLAN_CFG_INT_TIMER_THRESHOLD_OTHER 8
#endif
#define WLAN_CFG_INT_NUM_CONTEXTS 4
#define RXDMA_BUF_RING_SIZE 2048
@@ -38,7 +80,6 @@
#define RXDMA_MONITOR_DEST_RING_SIZE 2048
#define RXDMA_MONITOR_STATUS_RING_SIZE 2048
#ifdef TX_PER_PDEV_DESC_POOL
#define WLAN_CFG_NUM_TX_DESC_POOL MAX_PDEV_CNT
#define WLAN_CFG_NUM_TXEXT_DESC_POOL MAX_PDEV_CNT
@@ -47,7 +88,6 @@
#define WLAN_CFG_NUM_TXEXT_DESC_POOL 3
#endif /* TX_PER_PDEV_DESC_POOL */
#define WLAN_CFG_TX_RING_MASK_0 0x1
#define WLAN_CFG_TX_RING_MASK_1 0x2
#define WLAN_CFG_TX_RING_MASK_2 0x4
@@ -76,20 +116,6 @@
#define WLAN_CFG_HTT_PKT_TYPE 2
#define WLAN_CFG_MAX_PEER_ID 64
#ifdef CONFIG_MCL
#define WLAN_CFG_PER_PDEV_RX_RING 0
#define NUM_RXDMA_RINGS_PER_PDEV 2
#define WLAN_LRO_ENABLE 1
#define WLAN_CFG_NUM_TX_DESC 1024
#define WLAN_CFG_NUM_TX_EXT_DESC 1024
#else
#define WLAN_CFG_PER_PDEV_RX_RING 1
#define NUM_RXDMA_RINGS_PER_PDEV 1
#define WLAN_LRO_ENABLE 0
#define WLAN_CFG_NUM_TX_DESC (16 << 10)
#define WLAN_CFG_NUM_TX_EXT_DESC (8 << 10)
#endif
#ifdef WLAN_RX_HASH
#define WLAN_RX_HASH_ENABLE 1
#else
@@ -154,6 +180,12 @@ struct wlan_cfg_dp_soc_ctxt {
int num_tx_ext_desc;
int max_peer_id;
int htt_packet_type;
int int_batch_threshold_tx;
int int_timer_threshold_tx;
int int_batch_threshold_rx;
int int_timer_threshold_rx;
int int_batch_threshold_other;
int int_timer_threshold_other;
int int_tx_ring_mask[WLAN_CFG_INT_NUM_CONTEXTS];
int int_rx_ring_mask[WLAN_CFG_INT_NUM_CONTEXTS];
int int_rx_mon_ring_mask[WLAN_CFG_INT_NUM_CONTEXTS];
@@ -208,6 +240,15 @@ struct wlan_cfg_dp_soc_ctxt *wlan_cfg_soc_attach()
wlan_cfg_ctx->htt_packet_type = WLAN_CFG_HTT_PKT_TYPE;
wlan_cfg_ctx->max_peer_id = WLAN_CFG_MAX_PEER_ID;
wlan_cfg_ctx->int_batch_threshold_tx = WLAN_CFG_INT_BATCH_THRESHOLD_TX;
wlan_cfg_ctx->int_timer_threshold_tx = WLAN_CFG_INT_TIMER_THRESHOLD_TX;
wlan_cfg_ctx->int_batch_threshold_rx = WLAN_CFG_INT_BATCH_THRESHOLD_RX;
wlan_cfg_ctx->int_timer_threshold_rx = WLAN_CFG_INT_TIMER_THRESHOLD_RX;
wlan_cfg_ctx->int_batch_threshold_other =
WLAN_CFG_INT_BATCH_THRESHOLD_OTHER;
wlan_cfg_ctx->int_timer_threshold_other =
WLAN_CFG_INT_TIMER_THRESHOLD_OTHER;
for (i = 0; i < WLAN_CFG_INT_NUM_CONTEXTS; i++) {
wlan_cfg_ctx->int_tx_ring_mask[i] = tx_ring_mask[i];
wlan_cfg_ctx->int_rx_ring_mask[i] = rx_ring_mask[i];
@@ -427,3 +468,33 @@ void wlan_cfg_set_dp_soc_nss_cfg(struct wlan_cfg_dp_soc_ctxt *cfg, int nss_cfg)
{
cfg->nss_cfg = nss_cfg;
}
int wlan_cfg_get_int_batch_threshold_tx(struct wlan_cfg_dp_soc_ctxt *cfg)
{
return cfg->int_batch_threshold_tx;
}
int wlan_cfg_get_int_timer_threshold_tx(struct wlan_cfg_dp_soc_ctxt *cfg)
{
return cfg->int_timer_threshold_tx;
}
int wlan_cfg_get_int_batch_threshold_rx(struct wlan_cfg_dp_soc_ctxt *cfg)
{
return cfg->int_batch_threshold_rx;
}
int wlan_cfg_get_int_timer_threshold_rx(struct wlan_cfg_dp_soc_ctxt *cfg)
{
return cfg->int_timer_threshold_rx;
}
int wlan_cfg_get_int_batch_threshold_other(struct wlan_cfg_dp_soc_ctxt *cfg)
{
return cfg->int_batch_threshold_other;
}
int wlan_cfg_get_int_timer_threshold_other(struct wlan_cfg_dp_soc_ctxt *cfg)
{
return cfg->int_timer_threshold_other;
}

49
wlan_cfg/wlan_cfg.h
View File

@@ -360,4 +360,53 @@ int wlan_cfg_get_dp_soc_nss_cfg(struct wlan_cfg_dp_soc_ctxt *cfg);
*
*/
void wlan_cfg_set_dp_soc_nss_cfg(struct wlan_cfg_dp_soc_ctxt *cfg, int nss_cfg);
/*
* wlan_cfg_get_int_batch_threshold_tx - Get interrupt mitigation cfg for Tx
* @wlan_cfg_soc_ctx
*
* Return: Batch threshold
*/
int wlan_cfg_get_int_batch_threshold_tx(struct wlan_cfg_dp_soc_ctxt *cfg);
/*
* wlan_cfg_get_int_timer_threshold_tx - Get interrupt mitigation cfg for Tx
* @wlan_cfg_soc_ctx
*
* Return: Timer threshold
*/
int wlan_cfg_get_int_timer_threshold_tx(struct wlan_cfg_dp_soc_ctxt *cfg);
/*
* wlan_cfg_get_int_batch_threshold_rx - Get interrupt mitigation cfg for Rx
* @wlan_cfg_soc_ctx
*
* Return: Batch threshold
*/
int wlan_cfg_get_int_batch_threshold_rx(struct wlan_cfg_dp_soc_ctxt *cfg);
/*
* wlan_cfg_get_int_batch_threshold_rx - Get interrupt mitigation cfg for Rx
* @wlan_cfg_soc_ctx
*
* Return: Timer threshold
*/
int wlan_cfg_get_int_timer_threshold_rx(struct wlan_cfg_dp_soc_ctxt *cfg);
/*
* wlan_cfg_get_int_batch_threshold_tx - Get interrupt mitigation cfg for other srngs
* @wlan_cfg_soc_ctx
*
* Return: Batch threshold
*/
int wlan_cfg_get_int_batch_threshold_other(struct wlan_cfg_dp_soc_ctxt *cfg);
/*
* wlan_cfg_get_int_batch_threshold_tx - Get interrupt mitigation cfg for other srngs
* @wlan_cfg_soc_ctx
*
* Return: Timer threshold
*/
int wlan_cfg_get_int_timer_threshold_other(struct wlan_cfg_dp_soc_ctxt *cfg);
#endif