Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 9b57f88f authored by Rajkumar Manoharan's avatar Rajkumar Manoharan Committed by Kalle Valo
Browse files

ath10k: add tracing for frame transmission 



Add tracing support to forward management and data frames to
user space for packet inspection.

Signed-off-by: default avatarRajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
parent 6db0885a

drivers/net/wireless/ath/ath10k/htt_rx.c

+3 −0
Original line number Diff line number Diff line
@@ -291,6 +291,9 @@ static inline struct sk_buff *ath10k_htt_rx_netbuf_pop(struct ath10k_htt *htt) 
	htt->rx_ring.sw_rd_idx.msdu_payld = idx;

	htt->rx_ring.fill_cnt--;



	trace_ath10k_htt_rx_pop_msdu(ar, msdu->data, msdu->len +

				     skb_tailroom(msdu));



	return msdu;

}

drivers/net/wireless/ath/ath10k/htt_tx.c

+1 −0
Original line number Diff line number Diff line
@@ -564,6 +564,7 @@ int ath10k_htt_tx(struct ath10k_htt *htt, struct sk_buff *msdu) 
		   (u32)skb_cb->paddr, vdev_id, tid);

	ath10k_dbg_dump(ar, ATH10K_DBG_HTT_DUMP, NULL, "htt tx msdu: ",

			msdu->data, msdu->len);

	trace_ath10k_htt_tx_msdu(ar, msdu->data, msdu->len);



	sg_items[0].transfer_id = 0;

	sg_items[0].transfer_context = NULL;

drivers/net/wireless/ath/ath10k/trace.h

+47 −0
Original line number Diff line number Diff line
@@ -370,6 +370,53 @@ TRACE_EVENT(ath10k_txrx_tx_unref, 
		__entry->msdu_id

	 )

);



DECLARE_EVENT_CLASS(ath10k_data_event,

		    TP_PROTO(struct ath10k *ar, void *data, size_t len),



	TP_ARGS(ar, data, len),



	TP_STRUCT__entry(

		__string(device, dev_name(ar->dev))

		__string(driver, dev_driver_string(ar->dev))

		__field(size_t, len)

		__dynamic_array(u8, data, len)

	),



	TP_fast_assign(

		__assign_str(device, dev_name(ar->dev));

		__assign_str(driver, dev_driver_string(ar->dev));

		__entry->len = len;

		memcpy(__get_dynamic_array(data), data, len);

	),



	TP_printk(

		"%s %s len %zu\n",

		__get_str(driver),

		__get_str(device),

		__entry->len

	)

);



DEFINE_EVENT(ath10k_data_event, ath10k_htt_tx_msdu,

	     TP_PROTO(struct ath10k *ar, void *data, size_t len),

	     TP_ARGS(ar, data, len)

);



DEFINE_EVENT(ath10k_data_event, ath10k_htt_rx_pop_msdu,

	     TP_PROTO(struct ath10k *ar, void *data, size_t len),

	     TP_ARGS(ar, data, len)

);



DEFINE_EVENT(ath10k_data_event, ath10k_wmi_mgmt_tx,

	     TP_PROTO(struct ath10k *ar, void *data, size_t len),

	     TP_ARGS(ar, data, len)

);



DEFINE_EVENT(ath10k_data_event, ath10k_wmi_bcn_tx,

	     TP_PROTO(struct ath10k *ar, void *data, size_t len),

	     TP_ARGS(ar, data, len)

);

#endif /* _TRACE_H_ || TRACE_HEADER_MULTI_READ*/



/* we don't want to use include/trace/events */

drivers/net/wireless/ath/ath10k/wmi.c

+2 −0
Original line number Diff line number Diff line
@@ -834,6 +834,7 @@ int ath10k_wmi_mgmt_tx(struct ath10k *ar, struct sk_buff *skb) 
	ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi mgmt tx skb %p len %d ftype %02x stype %02x\n",

		   wmi_skb, wmi_skb->len, fc & IEEE80211_FCTL_FTYPE,

		   fc & IEEE80211_FCTL_STYPE);

	trace_ath10k_wmi_mgmt_tx(ar, skb->data, skb->len);



	/* Send the management frame buffer to the target */

	ret = ath10k_wmi_cmd_send(ar, wmi_skb, ar->wmi.cmd->mgmt_tx_cmdid);
@@ -1892,6 +1893,7 @@ static void ath10k_wmi_event_host_swba(struct ath10k *ar, struct sk_buff *skb) 
		arvif->beacon = bcn;

		arvif->beacon_sent = false;



		trace_ath10k_wmi_bcn_tx(ar, bcn->data, bcn->len);

		ath10k_wmi_tx_beacon_nowait(arvif);

skip:

		spin_unlock_bh(&ar->data_lock);