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Commit e60c8154 authored by Kalle Valo's avatar Kalle Valo
Browse files

ath6kl: add tracing points for sdio transfers 



Add tracing points for sdio transfers, just dump the address, flags and the
buffer.

Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
parent 416cf0b4

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

+10 −0
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ 
#include "target.h"

#include "debug.h"

#include "cfg80211.h"

#include "trace.h"



struct ath6kl_sdio {

	struct sdio_func *func;
@@ -179,6 +180,8 @@ static int ath6kl_sdio_io(struct sdio_func *func, u32 request, u32 addr, 
		   request & HIF_FIXED_ADDRESS ? " (fixed)" : "", buf, len);

	ath6kl_dbg_dump(ATH6KL_DBG_SDIO_DUMP, NULL, "sdio ", buf, len);



	trace_ath6kl_sdio(addr, request, buf, len);



	return ret;

}
@@ -309,6 +312,13 @@ static int ath6kl_sdio_scat_rw(struct ath6kl_sdio *ar_sdio, 
	sdio_claim_host(ar_sdio->func);



	mmc_set_data_timeout(&data, ar_sdio->func->card);



	trace_ath6kl_sdio_scat(scat_req->addr,

			       scat_req->req,

			       scat_req->len,

			       scat_req->scat_entries,

			       scat_req->scat_list);



	/* synchronous call to process request */

	mmc_wait_for_req(ar_sdio->func->card->host, &mmc_req);

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

+5 −0
Original line number Diff line number Diff line
@@ -14,5 +14,10 @@ 
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

 */



#include <linux/module.h>



#define CREATE_TRACE_POINTS

#include "trace.h"



EXPORT_TRACEPOINT_SYMBOL(ath6kl_sdio);

EXPORT_TRACEPOINT_SYMBOL(ath6kl_sdio_scat);

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

+90 −0
Original line number Diff line number Diff line
@@ -4,6 +4,7 @@ 
#include <linux/skbuff.h>

#include <linux/tracepoint.h>

#include "wmi.h"

#include "hif.h"



#if !defined(_ATH6KL_TRACE_H)

static inline unsigned int ath6kl_get_wmi_id(void *buf, size_t buf_len)
@@ -75,6 +76,95 @@ TRACE_EVENT(ath6kl_wmi_event, 
	)

);



TRACE_EVENT(ath6kl_sdio,

	TP_PROTO(unsigned int addr, int flags,

		 void *buf, size_t buf_len),



	TP_ARGS(addr, flags, buf, buf_len),



	TP_STRUCT__entry(

		__field(unsigned int, tx)

		__field(unsigned int, addr)

		__field(int, flags)

		__field(size_t, buf_len)

		__dynamic_array(u8, buf, buf_len)

	),



	TP_fast_assign(

		__entry->addr = addr;

		__entry->flags = flags;

		__entry->buf_len = buf_len;

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



		if (flags & HIF_WRITE)

			__entry->tx = 1;

		else

			__entry->tx = 0;

	),



	TP_printk(

		"%s addr 0x%x flags 0x%x len %d\n",

		__entry->tx ? "tx" : "rx",

		__entry->addr,

		__entry->flags,

		__entry->buf_len

	)

);



TRACE_EVENT(ath6kl_sdio_scat,

	TP_PROTO(unsigned int addr, int flags, unsigned int total_len,

		 unsigned int entries, struct hif_scatter_item *list),



	TP_ARGS(addr, flags, total_len, entries, list),



	TP_STRUCT__entry(

		__field(unsigned int, tx)

		__field(unsigned int, addr)

		__field(int, flags)

		__field(unsigned int, entries)

		__field(size_t, total_len)

		__dynamic_array(unsigned int, len_array, entries)

		__dynamic_array(u8, data, total_len)

	),



	TP_fast_assign(

		unsigned int *len_array;

		int i, offset = 0;

		size_t len;



		__entry->addr = addr;

		__entry->flags = flags;

		__entry->entries = entries;

		__entry->total_len = total_len;



		if (flags & HIF_WRITE)

			__entry->tx = 1;

		else

			__entry->tx = 0;



		len_array = __get_dynamic_array(len_array);



		for (i = 0; i < entries; i++) {

			len = list[i].len;



			memcpy((u8 *) __get_dynamic_array(data) + offset,

			       list[i].buf, len);



			len_array[i] = len;

			offset += len;

		}

	),



	TP_printk(

		"%s addr 0x%x flags 0x%x entries %d total_len %d\n",

		__entry->tx ? "tx" : "rx",

		__entry->addr,

		__entry->flags,

		__entry->entries,

		__entry->total_len

	)

);



#endif /* _ ATH6KL_TRACE_H || TRACE_HEADER_MULTI_READ*/



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