The tx info such as msdu_id, frame len, vdev id and tid are reported to user space by tracepoint. This is useful for collecting tx statistics.
Signed-off-by: Rajkumar Manoharan <[email protected]> --- drivers/net/wireless/ath/ath10k/htt_tx.c | 1 + drivers/net/wireless/ath/ath10k/trace.h | 60 ++++++++++++++++++++++++++++++++ drivers/net/wireless/ath/ath10k/txrx.c | 1 + 3 files changed, 62 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/htt_tx.c b/drivers/net/wireless/ath/ath10k/htt_tx.c index bd87a35..fdfb171 100644 --- a/drivers/net/wireless/ath/ath10k/htt_tx.c +++ b/drivers/net/wireless/ath/ath10k/htt_tx.c @@ -557,6 +557,7 @@ int ath10k_htt_tx(struct ath10k_htt *htt, struct sk_buff *msdu) skb_cb->htt.txbuf->cmd_tx.frags_paddr = __cpu_to_le32(frags_paddr); skb_cb->htt.txbuf->cmd_tx.peerid = __cpu_to_le32(HTT_INVALID_PEERID); + trace_ath10k_htt_tx(ar, msdu_id, msdu->len, vdev_id, tid); ath10k_dbg(ar, ATH10K_DBG_HTT, "htt tx flags0 %hhu flags1 %hu len %d id %hu frags_paddr %08x, msdu_paddr %08x vdev %hhu tid %hhu\n", flags0, flags1, msdu->len, msdu_id, frags_paddr, diff --git a/drivers/net/wireless/ath/ath10k/trace.h b/drivers/net/wireless/ath/ath10k/trace.h index 3841667..33b9bf4 100644 --- a/drivers/net/wireless/ath/ath10k/trace.h +++ b/drivers/net/wireless/ath/ath10k/trace.h @@ -310,6 +310,66 @@ TRACE_EVENT(ath10k_htt_rx_desc, __entry->len ) ); + +TRACE_EVENT(ath10k_htt_tx, + TP_PROTO(struct ath10k *ar, u16 msdu_id, u16 msdu_len, + u8 vdev_id, u8 tid), + + TP_ARGS(ar, msdu_id, msdu_len, vdev_id, tid), + + TP_STRUCT__entry( + __string(device, dev_name(ar->dev)) + __string(driver, dev_driver_string(ar->dev)) + __field(u16, msdu_id) + __field(u16, msdu_len) + __field(u8, vdev_id) + __field(u8, tid) + ), + + TP_fast_assign( + __assign_str(device, dev_name(ar->dev)); + __assign_str(driver, dev_driver_string(ar->dev)); + __entry->msdu_id = msdu_id; + __entry->msdu_len = msdu_len; + __entry->vdev_id = vdev_id; + __entry->tid = tid; + ), + + TP_printk( + "%s %s msdu_id %d msdu_len %d vdev_id %d tid %d", + __get_str(driver), + __get_str(device), + __entry->msdu_id, + __entry->msdu_len, + __entry->vdev_id, + __entry->tid + ) +); + +TRACE_EVENT(ath10k_txrx_tx_unref, + TP_PROTO(struct ath10k *ar, u16 msdu_id), + + TP_ARGS(ar, msdu_id), + + TP_STRUCT__entry( + __string(device, dev_name(ar->dev)) + __string(driver, dev_driver_string(ar->dev)) + __field(u16, msdu_id) + ), + + TP_fast_assign( + __assign_str(device, dev_name(ar->dev)); + __assign_str(driver, dev_driver_string(ar->dev)); + __entry->msdu_id = msdu_id; + ), + + TP_printk( + "%s %s msdu_id %d", + __get_str(driver), + __get_str(device), + __entry->msdu_id + ) +); #endif /* _TRACE_H_ || TRACE_HEADER_MULTI_READ*/ /* we don't want to use include/trace/events */ diff --git a/drivers/net/wireless/ath/ath10k/txrx.c b/drivers/net/wireless/ath/ath10k/txrx.c index a0cbc21..f9c90e3 100644 --- a/drivers/net/wireless/ath/ath10k/txrx.c +++ b/drivers/net/wireless/ath/ath10k/txrx.c @@ -78,6 +78,7 @@ void ath10k_txrx_tx_unref(struct ath10k_htt *htt, info = IEEE80211_SKB_CB(msdu); memset(&info->status, 0, sizeof(info->status)); + trace_ath10k_txrx_tx_unref(ar, tx_done->msdu_id); if (tx_done->discard) { ieee80211_free_txskb(htt->ar->hw, msdu); -- 2.1.1 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
