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qcacmn: htt backpressure prints enhancement

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keep timestamp for prints and dont print
backpressure messages in an interval of 2 seconds

Change-Id: I00aae02df93ed301e496aa6abc5f071a759f7640
This commit is contained in:
Ruben Columbus
2019-09-10 15:49:11 -07:00
committed by nshrivas
parent 9ecadbf280
commit 814e6cbd83
2 changed files with 93 additions and 17 deletions
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104
dp/wifi3.0/dp_htt.c
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@@ -3466,6 +3466,9 @@ HTC_HANDLE htt_get_htc_handle(struct htt_soc *htt_soc)
struct htt_soc *htt_soc_attach(struct dp_soc *soc, HTC_HANDLE htc_handle)
{
int i;
int j;
int alloc_size = HTT_SW_UMAC_RING_IDX_MAX * sizeof(unsigned long);
struct htt_soc *htt_soc = NULL;
htt_soc = qdf_mem_malloc(sizeof(*htt_soc));
@@ -3473,6 +3476,27 @@ struct htt_soc *htt_soc_attach(struct dp_soc *soc, HTC_HANDLE htc_handle)
dp_err("HTT attach failed");
return NULL;
}
for (i = 0; i < MAX_PDEV_CNT; i++) {
htt_soc->pdevid_tt[i].umac_ttt = qdf_mem_malloc(alloc_size);
if (!htt_soc->pdevid_tt[i].umac_ttt)
break;
qdf_mem_set(htt_soc->pdevid_tt[i].umac_ttt, alloc_size, -1);
htt_soc->pdevid_tt[i].lmac_ttt = qdf_mem_malloc(alloc_size);
if (!htt_soc->pdevid_tt[i].lmac_ttt) {
qdf_mem_free(htt_soc->pdevid_tt[i].umac_ttt);
break;
}
qdf_mem_set(htt_soc->pdevid_tt[i].lmac_ttt, alloc_size, -1);
}
if (i != MAX_PDEV_CNT) {
for (j = 0; j < i; j++) {
qdf_mem_free(htt_soc->pdevid_tt[i].umac_ttt);
qdf_mem_free(htt_soc->pdevid_tt[i].lmac_ttt);
}
return NULL;
}
htt_soc->dp_soc = soc;
htt_soc->htc_soc = htc_handle;
HTT_TX_MUTEX_INIT(&htt_soc->htt_tx_mutex);
@@ -3547,6 +3571,37 @@ dp_pktlog_msg_handler(struct htt_soc *soc,
}
#endif
/*
* time_allow_print() - time allow print
* @htt_ring_tt: ringi_id array of timestamps
* @ring_id: ring_id (index)
*
* Return: 1 for successfully saving timestamp in array
* and 0 for timestamp falling within 2 seconds after last one
*/
static bool time_allow_print(unsigned long *htt_ring_tt, u_int8_t ring_id)
{
unsigned long tstamp;
unsigned long delta;
tstamp = qdf_get_system_timestamp();
if (!htt_ring_tt)
return 0; //unable to print backpressure messages
if (htt_ring_tt[ring_id] == -1) {
htt_ring_tt[ring_id] = tstamp;
return 1;
}
delta = tstamp - htt_ring_tt[ring_id];
if (delta >= 2000) {
htt_ring_tt[ring_id] = tstamp;
return 1;
}
return 0;
}
static void dp_htt_alert_print(enum htt_t2h_msg_type msg_type,
u_int8_t pdev_id, u_int8_t ring_id,
u_int16_t hp_idx, u_int16_t tp_idx,
@@ -3558,7 +3613,14 @@ static void dp_htt_alert_print(enum htt_t2h_msg_type msg_type,
ring_id, hp_idx, tp_idx, bkp_time);
}
static void dp_htt_bkp_event_alert(u_int32_t *msg_word)
/*
* dp_htt_bkp_event_alert() - htt backpressure event alert
* @msg_word: htt packet context
* @htt_soc: HTT SOC handle
*
* Return: after attempting to print stats
*/
static void dp_htt_bkp_event_alert(u_int32_t *msg_word, struct htt_soc *soc)
{
u_int8_t ring_type;
u_int8_t pdev_id;
@@ -3567,34 +3629,46 @@ static void dp_htt_bkp_event_alert(u_int32_t *msg_word)
u_int16_t tp_idx;
u_int32_t bkp_time;
enum htt_t2h_msg_type msg_type;
struct dp_soc *dpsoc;
struct dp_pdev *pdev;
struct dp_htt_timestamp *radio_tt;
if (!soc)
return;
dpsoc = (struct dp_soc *)soc->dp_soc;
msg_type = HTT_T2H_MSG_TYPE_GET(*msg_word);
ring_type = HTT_T2H_RX_BKPRESSURE_RING_TYPE_GET(*msg_word);
pdev_id = HTT_T2H_RX_BKPRESSURE_PDEV_ID_GET(*msg_word);
pdev_id = DP_HW2SW_MACID(pdev_id);
pdev = (struct dp_pdev *)dpsoc->pdev_list[pdev_id];
ring_id = HTT_T2H_RX_BKPRESSURE_RINGID_GET(*msg_word);
hp_idx = HTT_T2H_RX_BKPRESSURE_HEAD_IDX_GET(*(msg_word + 1));
tp_idx = HTT_T2H_RX_BKPRESSURE_TAIL_IDX_GET(*(msg_word + 1));
bkp_time = HTT_T2H_RX_BKPRESSURE_TIME_MS_GET(*(msg_word + 2));
radio_tt = &soc->pdevid_tt[pdev_id];
switch (ring_type) {
case HTT_SW_RING_TYPE_UMAC:
if (!time_allow_print(radio_tt->umac_ttt, ring_id))
return;
dp_htt_alert_print(msg_type, pdev_id, ring_id, hp_idx, tp_idx,
bkp_time, "HTT_SW_RING_TYPE_LMAC");
break;
case HTT_SW_RING_TYPE_LMAC:
if (!time_allow_print(radio_tt->lmac_ttt, ring_id))
return;
dp_htt_alert_print(msg_type, pdev_id, ring_id, hp_idx, tp_idx,
bkp_time, "HTT_SW_RING_TYPE_LMAC");
break;
case HTT_SW_RING_TYPE_MAX:
dp_htt_alert_print(msg_type, pdev_id, ring_id, hp_idx, tp_idx,
bkp_time, "HTT_SW_RING_TYPE_MAX");
break;
default:
dp_htt_alert_print(msg_type, pdev_id, ring_id, hp_idx, tp_idx,
bkp_time, "UNKNOWN");
break;
}
dp_print_ring_stats(pdev);
dp_print_napi_stats(pdev->soc);
}
/*
@@ -3628,18 +3702,7 @@ static void dp_htt_t2h_msg_handler(void *context, HTC_PACKET *pkt)
switch (msg_type) {
case HTT_T2H_MSG_TYPE_BKPRESSURE_EVENT_IND:
{
u_int8_t pdev_id;
struct dp_soc *dpsoc;
struct dp_pdev *pdev;
pdev_id = HTT_T2H_RX_BKPRESSURE_PDEV_ID_GET(*msg_word);
pdev_id = DP_HW2SW_MACID(pdev_id);
dpsoc = (struct dp_soc *)soc->dp_soc;
pdev = (struct dp_pdev *)dpsoc->pdev_list[pdev_id];
dp_htt_bkp_event_alert(msg_word);
dp_print_ring_stats(pdev);
dp_print_napi_stats(pdev->soc);
dp_htt_bkp_event_alert(msg_word, soc);
break;
}
case HTT_T2H_MSG_TYPE_PEER_MAP:
@@ -4029,10 +4092,17 @@ QDF_STATUS htt_soc_htc_prealloc(struct htt_soc *soc)
*/
void htt_soc_detach(struct htt_soc *htt_hdl)
{
int i;
struct htt_soc *htt_handle = (struct htt_soc *)htt_hdl;
for (i = 0; i < MAX_PDEV_CNT; i++) {
qdf_mem_free(htt_handle->pdevid_tt[i].umac_ttt);
qdf_mem_free(htt_handle->pdevid_tt[i].lmac_ttt);
}
HTT_TX_MUTEX_DESTROY(&htt_handle->htt_tx_mutex);
qdf_mem_free(htt_handle);
}
/**