Add tracing points for sdio transfers, just dump the address, flags and the
buffer.
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath6kl/sdio.c | 10 +++
drivers/net/wireless/ath/ath6kl/trace.c | 5 ++
drivers/net/wireless/ath/ath6kl/trace.h | 90 +++++++++++++++++++++++++++++++
3 files changed, 105 insertions(+)
diff --git a/drivers/net/wireless/ath/ath6kl/sdio.c b/drivers/net/wireless/ath/ath6kl/sdio.c
index 0bd8ff6..fb14145 100644
--- a/drivers/net/wireless/ath/ath6kl/sdio.c
+++ b/drivers/net/wireless/ath/ath6kl/sdio.c
@@ -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);
diff --git a/drivers/net/wireless/ath/ath6kl/trace.c b/drivers/net/wireless/ath/ath6kl/trace.c
index 4118a29..e7d64b1 100644
--- a/drivers/net/wireless/ath/ath6kl/trace.c
+++ b/drivers/net/wireless/ath/ath6kl/trace.c
@@ -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);
diff --git a/drivers/net/wireless/ath/ath6kl/trace.h b/drivers/net/wireless/ath/ath6kl/trace.h
index 0787619..9db616c 100644
--- a/drivers/net/wireless/ath/ath6kl/trace.h
+++ b/drivers/net/wireless/ath/ath6kl/trace.h
@@ -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 */
--
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