diff options
author | Kalle Valo <kvalo@qca.qualcomm.com> | 2013-03-18 15:42:20 +0400 |
---|---|---|
committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2013-03-18 15:42:20 +0400 |
commit | e60c81543fd4edabe5b6fd2ea68d2db6f6204177 (patch) | |
tree | f6c0e30b115e32ebd3d2e805423c62a31345c8f3 /drivers/net/wireless/ath | |
parent | 416cf0b49e67254676b4762d1bab88df5130f909 (diff) | |
download | linux-e60c81543fd4edabe5b6fd2ea68d2db6f6204177.tar.xz |
ath6kl: add tracing points for sdio transfers
Add tracing points for sdio transfers, just dump the address, flags and the
buffer.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers/net/wireless/ath')
-rw-r--r-- | drivers/net/wireless/ath/ath6kl/sdio.c | 10 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath6kl/trace.c | 5 | ||||
-rw-r--r-- | drivers/net/wireless/ath/ath6kl/trace.h | 90 |
3 files changed, 105 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath6kl/sdio.c b/drivers/net/wireless/ath/ath6kl/sdio.c index 0bd8ff69461a..fb141454c6d2 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 4118a29500c1..e7d64b1285cb 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 07876190ce05..9db616c2ac96 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 */ |