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qcacmn: ring backpressure handler

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rxhost ring backpressure:
identifying rings causing rx backpressure after being notified
by FW message. Adding logs to be able to see at what state
the ap was after a backpressure event was triggered.
Adding radio stats (261) as well as napi stats for better
state description.
Change-Id: I395450be6faaf959f91729516a7b229c5b3396ce
This commit is contained in:
Ruben Columbus
2019-05-24 09:56:52 -07:00
committed by nshrivas
parent d736cdf95e
commit 4319493562
3 changed files with 70 additions and 1 deletions
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68
dp/wifi3.0/dp_htt.c
View File

@@ -26,6 +26,7 @@
#include "htt_stats.h"
#include "htt_ppdu_stats.h"
#include "dp_htt.h"
#include "dp_rx.h"
#include "qdf_mem.h" /* qdf_mem_malloc,free */
#include "cdp_txrx_cmn_struct.h"
@@ -3488,6 +3489,57 @@ dp_pktlog_msg_handler(struct htt_soc *soc,
{
}
#endif
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,
u_int32_t bkp_time, char *ring_stype)
{
dp_alert("msg_type: %d pdev_id: %d ring_type: %s ",
msg_type, pdev_id, ring_stype);
dp_alert("ring_id: %d hp_idx: %d tp_idx: %d bkpressure_time_ms: %d ",
ring_id, hp_idx, tp_idx, bkp_time);
}
static void dp_htt_bkp_event_alert(u_int32_t *msg_word)
{
u_int8_t ring_type;
u_int8_t pdev_id;
u_int8_t ring_id;
u_int16_t hp_idx;
u_int16_t tp_idx;
u_int32_t bkp_time;
enum htt_t2h_msg_type msg_type;
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);
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));
switch (ring_type) {
case HTT_SW_RING_TYPE_UMAC:
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:
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_htt_t2h_msg_handler() - Generic Target to host Msg/event handler
* @context: Opaque context (HTT SOC handle)
@@ -3517,6 +3569,22 @@ static void dp_htt_t2h_msg_handler(void *context, HTC_PACKET *pkt)
htt_event_record(soc->htt_logger_handle,
msg_type, (uint8_t *)msg_word);
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);
break;
}
case HTT_T2H_MSG_TYPE_PEER_MAP:
{
u_int8_t mac_addr_deswizzle_buf[QDF_MAC_ADDR_SIZE];

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

@@ -6988,7 +6988,7 @@ char *dp_srng_get_str_from_hal_ring_type(enum hal_ring_type ring_type)
* dp_print_napi_stats(): NAPI stats
* @soc - soc handle
*/
static void dp_print_napi_stats(struct dp_soc *soc)
void dp_print_napi_stats(struct dp_soc *soc)
{
hif_print_napi_stats(soc->hif_handle);
}

1
dp/wifi3.0/dp_rx.h
View File

@@ -443,6 +443,7 @@ QDF_STATUS dp_rx_pdev_attach(struct dp_pdev *pdev);
void dp_rx_pdev_detach(struct dp_pdev *pdev);
void dp_print_napi_stats(struct dp_soc *soc);
uint32_t
dp_rx_process(struct dp_intr *int_ctx, hal_ring_handle_t hal_ring_hdl,