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Commit 4771979a authored by Kalle Valo's avatar Kalle Valo
Browse files

ath6kl: adding tracing points for htc_mbox 



Add tracing points for htc layer, just dumping the packets to user space.
I wasn't really sure what to do with the status value, it might not always
be accurate, but I included it anyway.

I skipped htc_pipe (and usb) implementation for now. Need to add those
tracepoints later.

Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
parent d57f093a

drivers/net/wireless/ath/ath6kl/htc_mbox.c

+20 −1
Original line number Diff line number Diff line
@@ -19,6 +19,8 @@ 
#include "hif.h"

#include "debug.h"

#include "hif-ops.h"

#include "trace.h"



#include <asm/unaligned.h>



#define CALC_TXRX_PADDED_LEN(dev, len)  (__ALIGN_MASK((len), (dev)->block_mask))
@@ -537,6 +539,8 @@ static int ath6kl_htc_tx_issue(struct htc_target *target, 
				packet->buf, padded_len,

				HIF_WR_ASYNC_BLOCK_INC, packet);



	trace_ath6kl_htc_tx(status, packet->endpoint, packet->buf, send_len);



	return status;

}
@@ -757,7 +761,8 @@ static void ath6kl_htc_tx_bundle(struct htc_endpoint *endpoint, 
{

	struct htc_target *target = endpoint->target;

	struct hif_scatter_req *scat_req = NULL;

	int n_scat, n_sent_bundle = 0, tot_pkts_bundle = 0;

	int n_scat, n_sent_bundle = 0, tot_pkts_bundle = 0, i;

	struct htc_packet *packet;

	int status;

	u32 txb_mask;

	u8 ac = WMM_NUM_AC;
@@ -832,6 +837,13 @@ static void ath6kl_htc_tx_bundle(struct htc_endpoint *endpoint, 
		ath6kl_dbg(ATH6KL_DBG_HTC,

			   "htc tx scatter bytes %d entries %d\n",

			   scat_req->len, scat_req->scat_entries);



		for (i = 0; i < scat_req->scat_entries; i++) {

			packet = scat_req->scat_list[i].packet;

			trace_ath6kl_htc_tx(packet->status, packet->endpoint,

					    packet->buf, packet->act_len);

		}



		ath6kl_hif_submit_scat_req(target->dev, scat_req, false);



		if (status)
@@ -1903,6 +1915,7 @@ static void ath6kl_htc_rx_complete(struct htc_endpoint *endpoint, 
		ath6kl_dbg(ATH6KL_DBG_HTC,

			   "htc rx complete ep %d packet 0x%p\n",

			   endpoint->eid, packet);



		endpoint->ep_cb.rx(endpoint->target, packet);

}
@@ -2011,6 +2024,9 @@ static int ath6kl_htc_rx_process_packets(struct htc_target *target, 
	list_for_each_entry_safe(packet, tmp_pkt, comp_pktq, list) {

		ep = &target->endpoint[packet->endpoint];



		trace_ath6kl_htc_rx(packet->status, packet->endpoint,

				    packet->buf, packet->act_len);



		/* process header for each of the recv packet */

		status = ath6kl_htc_rx_process_hdr(target, packet, lk_ahds,

						   n_lk_ahd);
@@ -2291,6 +2307,9 @@ static struct htc_packet *htc_wait_for_ctrl_msg(struct htc_target *target) 
	if (ath6kl_htc_rx_packet(target, packet, packet->act_len))

		goto fail_ctrl_rx;



	trace_ath6kl_htc_rx(packet->status, packet->endpoint,

			    packet->buf, packet->act_len);



	/* process receive header */

	packet->status = ath6kl_htc_rx_process_hdr(target, packet, NULL, NULL);

drivers/net/wireless/ath/ath6kl/trace.h

+56 −0
Original line number Diff line number Diff line
@@ -185,6 +185,62 @@ TRACE_EVENT(ath6kl_sdio_irq, 
	)

);



TRACE_EVENT(ath6kl_htc_rx,

	TP_PROTO(int status, int endpoint, void *buf,

		 size_t buf_len),



	TP_ARGS(status, endpoint, buf, buf_len),



	TP_STRUCT__entry(

		__field(int, status)

		__field(int, endpoint)

		__field(size_t, buf_len)

		__dynamic_array(u8, buf, buf_len)

	),



	TP_fast_assign(

		__entry->status = status;

		__entry->endpoint = endpoint;

		__entry->buf_len = buf_len;

		memcpy(__get_dynamic_array(buf), buf, buf_len);

	),



	TP_printk(

		"status %d endpoint %d len %d\n",

		__entry->status,

		__entry->endpoint,

		__entry->buf_len

	)

);



TRACE_EVENT(ath6kl_htc_tx,

	TP_PROTO(int status, int endpoint, void *buf,

		 size_t buf_len),



	TP_ARGS(status, endpoint, buf, buf_len),



	TP_STRUCT__entry(

		__field(int, status)

		__field(int, endpoint)

		__field(size_t, buf_len)

		__dynamic_array(u8, buf, buf_len)

	),



	TP_fast_assign(

		__entry->status = status;

		__entry->endpoint = endpoint;

		__entry->buf_len = buf_len;

		memcpy(__get_dynamic_array(buf), buf, buf_len);

	),



	TP_printk(

		"status %d endpoint %d len %d\n",

		__entry->status,

		__entry->endpoint,

		__entry->buf_len

	)

);



#endif /* _ ATH6KL_TRACE_H || TRACE_HEADER_MULTI_READ*/



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