ath10k: add trace event ath10k_htt_stats

For analysing various data path statistics in user space.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index 9bb0ae8..af31d2f 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -20,6 +20,7 @@
 #include "htt.h"
 #include "txrx.h"
 #include "debug.h"
+#include "trace.h"
 
 #include <linux/log2.h>
 
@@ -1198,8 +1199,10 @@ void ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb)
        case HTT_T2H_MSG_TYPE_TEST:
                /* FIX THIS */
                break;
-       case HTT_T2H_MSG_TYPE_TX_INSPECT_IND:
        case HTT_T2H_MSG_TYPE_STATS_CONF:
+               trace_ath10k_htt_stats(skb->data, skb->len);
+               break;
+       case HTT_T2H_MSG_TYPE_TX_INSPECT_IND:
        case HTT_T2H_MSG_TYPE_RX_ADDBA:
        case HTT_T2H_MSG_TYPE_RX_DELBA:
        case HTT_T2H_MSG_TYPE_RX_FLUSH:

diff --git a/drivers/net/wireless/ath/ath10k/trace.h b/drivers/net/wireless/ath/ath10k/trace.h
index 85e806b..bf1ceb8 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/trace.h
+++ b/drivers/net/wireless/ath/ath10k/trace.h
@@ -158,6 +158,27 @@ TRACE_EVENT(ath10k_wmi_event,
        )
 );
 
+TRACE_EVENT(ath10k_htt_stats,
+       TP_PROTO(void *buf, size_t buf_len),
+
+       TP_ARGS(buf, buf_len),
+
+       TP_STRUCT__entry(
+               __field(size_t, buf_len)
+               __dynamic_array(u8, buf, buf_len)
+       ),
+
+       TP_fast_assign(
+               __entry->buf_len = buf_len;
+               memcpy(__get_dynamic_array(buf), buf, buf_len);
+       ),
+
+       TP_printk(
+               "len %zu",
+               __entry->buf_len
+       )
+);
+
 #endif /* _TRACE_H_ || TRACE_HEADER_MULTI_READ*/
 
 /* we don't want to use include/trace/events */