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) | |
| download | op-kernel-dev-ea0737d6e24b44b632e9094108bb987b0338ea74.zip op-kernel-dev-ea0737d6e24b44b632e9094108bb987b0338ea74.tar.gz | |
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 9df1f7a..bc29171 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 |
