Upon the reception of frame, the descriptor status are reported
to user space by tracepoint. This is useful for collecting rx
statistics for pktlog.
Signed-off-by: Rajkumar Manoharan <rmanohar@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath10k/debug.c | 17 +++++++++++++++++
drivers/net/wireless/ath/ath10k/debug.h | 5 +++++
drivers/net/wireless/ath/ath10k/htt_rx.c | 2 ++
drivers/net/wireless/ath/ath10k/trace.h | 29 +++++++++++++++++++++++++++++
4 files changed, 53 insertions(+)
diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c
index 48672da..29fa820 100644
--- a/drivers/net/wireless/ath/ath10k/debug.c
+++ b/drivers/net/wireless/ath/ath10k/debug.c
@@ -1439,6 +1439,23 @@ void ath10k_debug_unregister(struct ath10k *ar)
cancel_delayed_work_sync(&ar->debug.htt_stats_dwork);
}
+void ath10k_debug_pktlog_rx(struct ath10k *ar, struct sk_buff *msdu)
+{
+ struct htt_rx_desc *rxd;
+ u32 tsf;
+
+ if (!(ar->debug.pktlog_filter & ATH10K_PKTLOG_RX))
+ return;
+
+ while (msdu) {
+ rxd = (void *)msdu->data - sizeof(*rxd);
+ tsf = __le32_to_cpu(rxd->ppdu_end.tsf_timestamp);
+
+ trace_ath10k_rx_pktlog(ar, tsf, &rxd->attention,
+ sizeof(*rxd) - sizeof(u32));
+ msdu = msdu->next;
+ }
+}
#endif /* CONFIG_ATH10K_DEBUGFS */
#ifdef CONFIG_ATH10K_DEBUG
diff --git a/drivers/net/wireless/ath/ath10k/debug.h b/drivers/net/wireless/ath/ath10k/debug.h
index aafdcab..389387c 100644
--- a/drivers/net/wireless/ath/ath10k/debug.h
+++ b/drivers/net/wireless/ath/ath10k/debug.h
@@ -71,6 +71,7 @@ ath10k_debug_get_new_fw_crash_data(struct ath10k *ar);
void ath10k_debug_dbglog_add(struct ath10k *ar, u8 *buffer, int len);
#define ATH10K_DFS_STAT_INC(ar, c) (ar->debug.dfs_stats.c++)
+void ath10k_debug_pktlog_rx(struct ath10k *ar, struct sk_buff *msdu);
#else
static inline int ath10k_debug_start(struct ath10k *ar)
{
@@ -121,6 +122,10 @@ ath10k_debug_get_new_fw_crash_data(struct ath10k *ar)
return NULL;
}
+static inline void ath10k_debug_pktlog_rx(struct ath10k *ar,
+ struct sk_buff *msdu)
+{
+}
#define ATH10K_DFS_STAT_INC(ar, c) do { } while (0)
#endif /* CONFIG_ATH10K_DEBUGFS */
diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index a078451..be24071 100644
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -1295,6 +1295,8 @@ static void ath10k_htt_rx_handler(struct ath10k_htt *htt,
continue;
}
+ ath10k_debug_pktlog_rx(ar, msdu_head);
+
rxd = container_of((void *)msdu_head->data,
struct htt_rx_desc,
msdu_payload);
diff --git a/drivers/net/wireless/ath/ath10k/trace.h b/drivers/net/wireless/ath/ath10k/trace.h
index 971ff23..3dff799 100644
--- a/drivers/net/wireless/ath/ath10k/trace.h
+++ b/drivers/net/wireless/ath/ath10k/trace.h
@@ -281,6 +281,35 @@ TRACE_EVENT(ath10k_htt_pktlog,
)
);
+TRACE_EVENT(ath10k_rx_pktlog,
+ TP_PROTO(struct ath10k *ar, u32 tsf, void *rxdesc, u16 len),
+
+ TP_ARGS(ar, tsf, rxdesc, len),
+
+ TP_STRUCT__entry(
+ __string(device, dev_name(ar->dev))
+ __string(driver, dev_driver_string(ar->dev))
+ __field(u32, tsf)
+ __field(u16, len)
+ __dynamic_array(u8, rxdesc, len)
+ ),
+
+ TP_fast_assign(
+ __assign_str(device, dev_name(ar->dev));
+ __assign_str(driver, dev_driver_string(ar->dev));
+ __entry->tsf = tsf;
+ __entry->len = len;
+ memcpy(__get_dynamic_array(rxdesc), rxdesc, len);
+ ),
+
+ TP_printk(
+ "%s %s %u len %hu",
+ __get_str(driver),
+ __get_str(device),
+ __entry->tsf,
+ __entry->len
+ )
+);
#endif /* _TRACE_H_ || TRACE_HEADER_MULTI_READ*/
/* we don't want to use include/trace/events */
--
2.1.1
--
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