Fundamtenally this was wrong. Tsf is only valid
in first MPDU of a PPDU. This means tsf value was
wrong most of the time during heavy traffic.
Also I don't see much point in exposing a
redundant (and broken) tsf value. Userspace can
already read it from the dumped rx descriptor
buffer.
Cc: Rajkumar Manoharan <rmanohar@xxxxxxxxxxxxxxxx>
Signed-off-by: Michal Kazior <michal.kazior@xxxxxxxxx>
---
drivers/net/wireless/ath/ath10k/htt_rx.c | 4 +---
drivers/net/wireless/ath/ath10k/trace.h | 9 +++------
2 files changed, 4 insertions(+), 9 deletions(-)
diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index fbb3175..d3741b4 100644
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -319,7 +319,6 @@ static int ath10k_htt_rx_amsdu_pop(struct ath10k_htt *htt,
int msdu_len, msdu_chaining = 0;
struct sk_buff *msdu, *next;
struct htt_rx_desc *rx_desc;
- u32 tsf;
lockdep_assert_held(&htt->rx_ring.lock);
@@ -451,8 +450,7 @@ static int ath10k_htt_rx_amsdu_pop(struct ath10k_htt *htt,
last_msdu = __le32_to_cpu(rx_desc->msdu_end.info0) &
RX_MSDU_END_INFO0_LAST_MSDU;
- tsf = __le32_to_cpu(rx_desc->ppdu_end.tsf_timestamp);
- trace_ath10k_htt_rx_desc(ar, tsf, &rx_desc->attention,
+ trace_ath10k_htt_rx_desc(ar, &rx_desc->attention,
sizeof(*rx_desc) - sizeof(u32));
if (last_msdu) {
msdu->next = NULL;
diff --git a/drivers/net/wireless/ath/ath10k/trace.h b/drivers/net/wireless/ath/ath10k/trace.h
index 9d34e7f..2409cb5 100644
--- a/drivers/net/wireless/ath/ath10k/trace.h
+++ b/drivers/net/wireless/ath/ath10k/trace.h
@@ -282,14 +282,13 @@ TRACE_EVENT(ath10k_htt_pktlog,
);
TRACE_EVENT(ath10k_htt_rx_desc,
- TP_PROTO(struct ath10k *ar, u32 tsf, void *rxdesc, u16 len),
+ TP_PROTO(struct ath10k *ar, void *rxdesc, u16 len),
- TP_ARGS(ar, tsf, rxdesc, len),
+ TP_ARGS(ar, 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)
),
@@ -297,16 +296,14 @@ TRACE_EVENT(ath10k_htt_rx_desc,
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",
+ "%s %s len %hu",
__get_str(driver),
__get_str(device),
- __entry->tsf,
__entry->len
)
);
--
1.8.5.3
--
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