diff options
| author | Arend van Spriel <arend@broadcom.com> | 2013-06-06 13:18:05 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2013-06-12 15:06:24 -0400 |
| commit | ea0737d6e24b44b632e9094108bb987b0338ea74 (patch) | |
| tree | 219d9ead57df2fe0e5ef234a2a9f4a9856249a85 /drivers/net/wireless/brcm80211/brcmfmac/tracepoint.h | |
| parent | cf3a6872b981037e29517b3e61e199bde14abc65 (diff) | |
brcmfmac: add trace event for capturing BDC header
The BDC header contains PropTx TLV signals that are useful to capture
for debugging. This event captures the header and tlv's in binary
form. This can be post-processed using trace-cmd plugin.
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/tracepoint.h')
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/tracepoint.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/tracepoint.h b/drivers/net/wireless/brcm80211/brcmfmac/tracepoint.h index 9df1f7a681e..bc291711289 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/tracepoint.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/tracepoint.h @@ -87,6 +87,27 @@ TRACE_EVENT(brcmf_hexdump, TP_printk("hexdump [length=%lu]", __entry->len) ); +TRACE_EVENT(brcmf_bdchdr, + TP_PROTO(void *data), + TP_ARGS(data), + TP_STRUCT__entry( + __field(u8, flags) + __field(u8, prio) + __field(u8, flags2) + __field(u32, siglen) + __dynamic_array(u8, signal, *((u8 *)data + 3) * 4) + ), + TP_fast_assign( + __entry->flags = *(u8 *)data; + __entry->prio = *((u8 *)data + 1); + __entry->flags2 = *((u8 *)data + 2); + __entry->siglen = *((u8 *)data + 3) * 4; + memcpy(__get_dynamic_array(signal), + (u8 *)data + 4, __entry->siglen); + ), + TP_printk("bdc: prio=%d siglen=%d", __entry->prio, __entry->siglen) +); + #ifdef CONFIG_BRCM_TRACING #undef TRACE_INCLUDE_PATH |