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qcacmn: Add function to calculate hardware Tx delay

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Define a new function to calculate HW delay so that same logic
can be used to calculate delay by other modules.

Change-Id: Id3740bcaa2cd558b89ab02d8e88d5947eb5997b1
CRs-Fixed: 3198305
This commit is contained in:
Ripan Deuri
2022-04-26 09:30:22 +05:30
committed by Madan Koyyalamudi
parent bfe1e87b25
commit 74458d4542
8 changed files with 73 additions and 40 deletions
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2
dp/inc/cdp_txrx_ctrl.h
View File

@@ -1321,7 +1321,7 @@ void cdp_txrx_peer_flush_frags(ol_txrx_soc_handle soc, uint8_t vdev_id,
peer_mac);
}
#if defined(WLAN_FEATURE_TSF_UPLINK_DELAY) || defined(CONFIG_SAWF)
#if defined(WLAN_FEATURE_TSF_UPLINK_DELAY) || defined(QCA_PEER_EXT_STATS)
/**
* cdp_set_delta_tsf() - wrapper function to set delta_tsf
* @soc: SOC TXRX handle

2
dp/inc/cdp_txrx_ops.h
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@@ -868,7 +868,7 @@ struct cdp_ctrl_ops {
#endif
#if defined(WLAN_FEATURE_TSF_UPLINK_DELAY) || defined(CONFIG_SAWF)
#if defined(WLAN_FEATURE_TSF_UPLINK_DELAY) || defined(QCA_PEER_EXT_STATS)
void (*txrx_set_delta_tsf)(struct cdp_soc_t *soc, uint8_t vdev_id,
uint32_t delta_tsf);
#endif

2
dp/wifi3.0/dp_main.c
View File

@@ -12621,7 +12621,7 @@ static struct cdp_ctrl_ops dp_ops_ctrl = {
#ifdef QCA_MULTIPASS_SUPPORT
.txrx_peer_set_vlan_id = dp_peer_set_vlan_id,
#endif /*QCA_MULTIPASS_SUPPORT*/
#if defined(WLAN_FEATURE_TSF_UPLINK_DELAY) || defined(CONFIG_SAWF)
#if defined(WLAN_FEATURE_TSF_UPLINK_DELAY) || defined(QCA_PEER_EXT_STATS)
.txrx_set_delta_tsf = dp_set_delta_tsf,
#endif
#ifdef WLAN_FEATURE_TSF_UPLINK_DELAY

79
dp/wifi3.0/dp_tx.c
View File

@@ -4529,7 +4529,51 @@ void dp_tx_update_connectivity_stats(struct dp_soc *soc,
}
#endif
#if defined(WLAN_FEATURE_TSF_UPLINK_DELAY) || defined(CONFIG_SAWF)
#if defined(WLAN_FEATURE_TSF_UPLINK_DELAY) || defined(QCA_PEER_EXT_STATS)
QDF_STATUS
dp_tx_compute_hw_delay_us(struct hal_tx_completion_status *ts,
uint32_t delta_tsf,
uint32_t *delay_us)
{
uint32_t buffer_ts;
uint32_t delay;
if (!delay_us)
return QDF_STATUS_E_INVAL;
/* Tx_rate_stats_info_valid is 0 and tsf is invalid then */
if (!ts->valid)
return QDF_STATUS_E_INVAL;
/* buffer_timestamp is in units of 1024 us and is [31:13] of
* WBM_RELEASE_RING_4. After left shift 10 bits, it's
* valid up to 29 bits.
*/
buffer_ts = ts->buffer_timestamp << 10;
delay = ts->tsf - buffer_ts - delta_tsf;
delay &= 0x1FFFFFFF; /* mask 29 BITS */
if (delay > 0x1000000) {
dp_info_rl("----------------------\n"
"Tx completion status:\n"
"----------------------\n"
"release_src = %d\n"
"ppdu_id = 0x%x\n"
"release_reason = %d\n"
"tsf = %u (0x%x)\n"
"buffer_timestamp = %u (0x%x)\n"
"delta_tsf = %u (0x%x)\n",
ts->release_src, ts->ppdu_id, ts->status,
ts->tsf, ts->tsf, ts->buffer_timestamp,
ts->buffer_timestamp, delta_tsf, delta_tsf);
return QDF_STATUS_E_FAILURE;
}
*delay_us = delay;
return QDF_STATUS_SUCCESS;
}
void dp_set_delta_tsf(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
uint32_t delta_tsf)
{
@@ -4607,14 +4651,8 @@ QDF_STATUS dp_get_uplink_delay(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
static void dp_tx_update_uplink_delay(struct dp_soc *soc, struct dp_vdev *vdev,
struct hal_tx_completion_status *ts)
{
uint32_t buffer_ts;
uint32_t delta_tsf;
uint32_t ul_delay;
/* Tx_rate_stats_info_valid is 0 and tsf is invalid then */
if (!ts->valid)
return;
if (qdf_unlikely(!vdev)) {
dp_info_rl("vdev is null or delete in progrss");
return;
@@ -4623,31 +4661,10 @@ static void dp_tx_update_uplink_delay(struct dp_soc *soc, struct dp_vdev *vdev,
if (!qdf_atomic_read(&vdev->ul_delay_report))
return;
delta_tsf = vdev->delta_tsf;
/* buffer_timestamp is in units of 1024 us and is [31:13] of
* WBM_RELEASE_RING_4. After left shift 10 bits, it's
* valid up to 29 bits.
*/
buffer_ts = ts->buffer_timestamp << 10;
ul_delay = ts->tsf - buffer_ts - delta_tsf;
ul_delay &= 0x1FFFFFFF; /* mask 29 BITS */
if (ul_delay > 0x1000000) {
dp_info_rl("----------------------\n"
"Tx completion status:\n"
"----------------------\n"
"release_src = %d\n"
"ppdu_id = 0x%x\n"
"release_reason = %d\n"
"tsf = %u (0x%x)\n"
"buffer_timestamp = %u (0x%x)\n"
"delta_tsf = %u (0x%x)\n",
ts->release_src, ts->ppdu_id, ts->status,
ts->tsf, ts->tsf, ts->buffer_timestamp,
ts->buffer_timestamp, delta_tsf, delta_tsf);
if (QDF_IS_STATUS_ERROR(dp_tx_compute_hw_delay_us(ts,
vdev->delta_tsf,
&ul_delay)))
return;
}
ul_delay /= 1000; /* in unit of ms */

18
dp/wifi3.0/dp_tx.h
View File

@@ -916,7 +916,23 @@ dp_tx_hw_desc_update_evt(uint8_t *hal_tx_desc_cached,
}
#endif
#if defined(WLAN_FEATURE_TSF_UPLINK_DELAY) || defined(CONFIG_SAWF)
#if defined(WLAN_FEATURE_TSF_UPLINK_DELAY) || defined(QCA_PEER_EXT_STATS)
/**
* dp_tx_compute_hw_delay_us() - Compute hardware Tx completion delay
* @ts: Tx completion status
* @delta_tsf: Difference between TSF clock and qtimer
* @delay_us: Delay in microseconds
*
* Return: QDF_STATUS_SUCCESS : Success
* QDF_STATUS_E_INVAL : Tx completion status is invalid or
* delay_us is NULL
* QDF_STATUS_E_FAILURE : Error in delay calculation
*/
QDF_STATUS
dp_tx_compute_hw_delay_us(struct hal_tx_completion_status *ts,
uint32_t delta_tsf,
uint32_t *delay_us);
/**
* dp_set_delta_tsf() - Set delta_tsf to dp_soc structure
* @soc_hdl: cdp soc pointer

2
dp/wifi3.0/dp_types.h
View File

@@ -3210,7 +3210,7 @@ struct dp_vdev {
#ifdef WIFI_MONITOR_SUPPORT
struct dp_mon_vdev *monitor_vdev;
#endif
#if defined(WLAN_FEATURE_TSF_UPLINK_DELAY) || defined(CONFIG_SAWF)
#if defined(WLAN_FEATURE_TSF_UPLINK_DELAY) || defined(QCA_PEER_EXT_STATS)
/* Delta between TQM clock and TSF clock */
uint32_t delta_tsf;
#endif

2
hal/wifi3.0/hal_tx.h
View File

@@ -233,7 +233,7 @@ struct hal_tx_completion_status {
uint8_t transmit_cnt;
uint8_t tid;
uint16_t peer_id;
#if defined(WLAN_FEATURE_TSF_UPLINK_DELAY) || defined(CONFIG_SAWF)
#if defined(WLAN_FEATURE_TSF_UPLINK_DELAY) || defined(QCA_PEER_EXT_STATS)
uint32_t buffer_timestamp:19;
#endif
};

6
hal/wifi3.0/li/hal_li_generic_api.h
View File

@@ -69,7 +69,7 @@ void hal_rx_wbm_err_info_get_generic_li(void *wbm_desc,
wbm_er_info->rxdma_err_code = HAL_RX_WBM_RXDMA_ERROR_CODE_GET(wbm_desc);
}
#if defined(WLAN_FEATURE_TSF_UPLINK_DELAY) || defined(CONFIG_SAWF)
#if defined(WLAN_FEATURE_TSF_UPLINK_DELAY) || defined(QCA_PEER_EXT_STATS)
static inline void
hal_tx_comp_get_buffer_timestamp(void *desc,
struct hal_tx_completion_status *ts)
@@ -77,13 +77,13 @@ hal_tx_comp_get_buffer_timestamp(void *desc,
ts->buffer_timestamp = HAL_TX_DESC_GET(desc, WBM_RELEASE_RING_4,
BUFFER_TIMESTAMP);
}
#else /* !WLAN_FEATURE_TSF_UPLINK_DELAY || CONFIG_SAWF */
#else /* !WLAN_FEATURE_TSF_UPLINK_DELAY || QCA_PEER_EXT_STATS */
static inline void
hal_tx_comp_get_buffer_timestamp(void *desc,
struct hal_tx_completion_status *ts)
{
}
#endif /* WLAN_FEATURE_TSF_UPLINK_DELAY || CONFIG_SAWF */
#endif /* WLAN_FEATURE_TSF_UPLINK_DELAY || QCA_PEER_EXT_STATS */
#ifdef QCA_UNDECODED_METADATA_SUPPORT
static inline void