brcmfmac: add hexadecimal trace of message payload

Adds a trace function used in brcmf_dbg_hex_dump() which adds the
raw binary data to the trace. It requires trace-cmd plugin to see
this data.

Reviewed-by: Piotr Haber <phaber@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.h
index d259ae5..009c87b 100644 (file)
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.h
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_dbg.h
@@ -93,6 +93,7 @@ do {                                                          \
 
 #define brcmf_dbg_hex_dump(test, data, len, fmt, ...)                  \
 do {                                                                   \
+       trace_brcmf_hexdump((void *)data, len);                         \
        if (test)                                                       \
                brcmu_dbg_hex_dump(data, len, fmt, ##__VA_ARGS__);      \
 } while (0)

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
index 5d5c02c..c1cab40 100644 (file)
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
@@ -94,6 +94,7 @@ struct rte_console {
 
 #include "dhd_bus.h"
 #include "dhd_dbg.h"
+#include "tracepoint.h"
 
 #define TXQLEN         2048    /* bulk tx queue length */
 #define TXHI           (TXQLEN - 256)  /* turn on flow control above TXHI */

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fweh.c b/drivers/net/wireless/brcm80211/brcmfmac/fweh.c
index dad9414..01d39a9 100644 (file)
--- a/drivers/net/wireless/brcm80211/brcmfmac/fweh.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/fweh.c
@@ -20,6 +20,7 @@
 
 #include "dhd.h"
 #include "dhd_dbg.h"
+#include "tracepoint.h"
 #include "fwsignal.h"
 #include "fweh.h"
 #include "fwil.h"

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwil.c b/drivers/net/wireless/brcm80211/brcmfmac/fwil.c
index 8d1def9..04f3959 100644 (file)
--- a/drivers/net/wireless/brcm80211/brcmfmac/fwil.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/fwil.c
@@ -25,6 +25,7 @@
 #include "dhd.h"
 #include "dhd_bus.h"
 #include "dhd_dbg.h"
+#include "tracepoint.h"
 #include "fwil.h"
 
 

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/tracepoint.h b/drivers/net/wireless/brcm80211/brcmfmac/tracepoint.h
index 35efc7a..9df1f7a 100644 (file)
--- a/drivers/net/wireless/brcm80211/brcmfmac/tracepoint.h
+++ b/drivers/net/wireless/brcm80211/brcmfmac/tracepoint.h
@@ -73,6 +73,20 @@ TRACE_EVENT(brcmf_dbg,
        TP_printk("%s: %s", __get_str(func), __get_str(msg))
 );
 
+TRACE_EVENT(brcmf_hexdump,
+       TP_PROTO(void *data, size_t len),
+       TP_ARGS(data, len),
+       TP_STRUCT__entry(
+               __field(unsigned long, len)
+               __dynamic_array(u8, hdata, len)
+       ),
+       TP_fast_assign(
+               __entry->len = len;
+               memcpy(__get_dynamic_array(hdata), data, len);
+       ),
+       TP_printk("hexdump [length=%lu]", __entry->len)
+);
+
 #ifdef CONFIG_BRCM_TRACING
 
 #undef TRACE_INCLUDE_PATH

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
index c7459ae..beba7f6 100644 (file)
--- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
@@ -26,6 +26,7 @@
 #include <brcmu_wifi.h>
 #include "dhd.h"
 #include "dhd_dbg.h"
+#include "tracepoint.h"
 #include "fwil_types.h"
 #include "p2p.h"
 #include "wl_cfg80211.h"