diff options
author | Seth Forshee <seth.forshee@canonical.com> | 2012-11-15 08:08:09 -0600 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2012-11-20 14:07:38 -0500 |
commit | cdf4352f5c59ee5599579ea3bfa4d8972c3f72f1 (patch) | |
tree | 4da0209dd5517e49053f067b40b50c75dd366a21 /drivers/net/wireless/brcm80211/brcmsmac/brcms_trace_events.h | |
parent | brcmsmac: Add brcms_dbg_ht() debug macro (diff) | |
download | linux-dev-cdf4352f5c59ee5599579ea3bfa4d8972c3f72f1.tar.xz linux-dev-cdf4352f5c59ee5599579ea3bfa4d8972c3f72f1.zip |
brcmsmac: Improve tx trace and debug support
Add the brcmsmac_tx trace system for tx debugging. Existing code to dump
tx status and descriptors are converted to using tracepoints, allowing
for more efficient collection and post-processing of this data. These
tracepoints are placed to collect data for all tx frames instead of only
on errors. Logging of tx errors is also improved.
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Tested-by: Daniel Wagner <wagi@monom.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmsmac/brcms_trace_events.h')
-rw-r--r-- | drivers/net/wireless/brcm80211/brcmsmac/brcms_trace_events.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/brcms_trace_events.h b/drivers/net/wireless/brcm80211/brcmsmac/brcms_trace_events.h index a9aed1f92374..96a962abc89a 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/brcms_trace_events.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/brcms_trace_events.h @@ -18,6 +18,8 @@ #define __TRACE_BRCMSMAC_H +#include <linux/types.h> +#include <linux/device.h> #include <linux/tracepoint.h> #include "mac80211_if.h" @@ -84,6 +86,57 @@ TRACE_EVENT(brcms_dpc, ); #undef TRACE_SYSTEM +#define TRACE_SYSTEM brcmsmac_tx + +TRACE_EVENT(brcms_txdesc, + TP_PROTO(const struct device *dev, + void *txh, size_t txh_len), + TP_ARGS(dev, txh, txh_len), + TP_STRUCT__entry( + __string(dev, dev_name(dev)) + __dynamic_array(u8, txh, txh_len) + ), + TP_fast_assign( + __assign_str(dev, dev_name(dev)); + memcpy(__get_dynamic_array(txh), txh, txh_len); + ), + TP_printk("[%s] txdesc", __get_str(dev)) +); + +TRACE_EVENT(brcms_txstatus, + TP_PROTO(const struct device *dev, u16 framelen, u16 frameid, + u16 status, u16 lasttxtime, u16 sequence, u16 phyerr, + u16 ackphyrxsh), + TP_ARGS(dev, framelen, frameid, status, lasttxtime, sequence, phyerr, + ackphyrxsh), + TP_STRUCT__entry( + __string(dev, dev_name(dev)) + __field(u16, framelen) + __field(u16, frameid) + __field(u16, status) + __field(u16, lasttxtime) + __field(u16, sequence) + __field(u16, phyerr) + __field(u16, ackphyrxsh) + ), + TP_fast_assign( + __assign_str(dev, dev_name(dev)); + __entry->framelen = framelen; + __entry->frameid = frameid; + __entry->status = status; + __entry->lasttxtime = lasttxtime; + __entry->sequence = sequence; + __entry->phyerr = phyerr; + __entry->ackphyrxsh = ackphyrxsh; + ), + TP_printk("[%s] FrameId %#04x TxStatus %#04x LastTxTime %#04x " + "Seq %#04x PHYTxStatus %#04x RxAck %#04x", + __get_str(dev), __entry->frameid, __entry->status, + __entry->lasttxtime, __entry->sequence, __entry->phyerr, + __entry->ackphyrxsh) +); + +#undef TRACE_SYSTEM #define TRACE_SYSTEM brcmsmac_msg #define MAX_MSG_LEN 100 |