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authorJohannes Berg <johannes@sipsolutions.net>2010-04-07 18:48:40 +0400
committerJohn W. Linville <linville@tuxdriver.com>2010-04-08 23:24:13 +0400
commitb5878a2dc5e7e7f031a52c3e15b571224cb6b540 (patch)
tree4d035602f4a4d6e021eaf261f3665d4a5439cfd8 /net/mac80211/driver-trace.h
parent403820edc4ba1f2fb2514c022f2662c498ce0d11 (diff)
downloadlinux-b5878a2dc5e7e7f031a52c3e15b571224cb6b540.tar.xz
mac80211: enhance tracing
Enhance tracing by adding tracing for a variety of callbacks that the drivers call, and also for internal calls (currently limited to queue status). This can aid debugging what is going on in mac80211 in interaction with drivers, since we can now see what drivers call and not just what mac80211 calls in the driver. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/driver-trace.h')
-rw-r--r--net/mac80211/driver-trace.h275
1 files changed, 275 insertions, 0 deletions
diff --git a/net/mac80211/driver-trace.h b/net/mac80211/driver-trace.h
index 41baf730a5c7..e209cb82ff29 100644
--- a/net/mac80211/driver-trace.h
+++ b/net/mac80211/driver-trace.h
@@ -32,6 +32,10 @@ static inline void trace_ ## name(proto) {}
#define VIF_PR_FMT " vif:%s(%d)"
#define VIF_PR_ARG __get_str(vif_name), __entry->vif_type
+/*
+ * Tracing for driver callbacks.
+ */
+
TRACE_EVENT(drv_start,
TP_PROTO(struct ieee80211_local *local, int ret),
@@ -766,6 +770,277 @@ TRACE_EVENT(drv_flush,
LOCAL_PR_ARG, __entry->drop
)
);
+
+/*
+ * Tracing for API calls that drivers call.
+ */
+
+TRACE_EVENT(api_start_tx_ba_session,
+ TP_PROTO(struct ieee80211_sta *sta, u16 tid),
+
+ TP_ARGS(sta, tid),
+
+ TP_STRUCT__entry(
+ STA_ENTRY
+ __field(u16, tid)
+ ),
+
+ TP_fast_assign(
+ STA_ASSIGN;
+ __entry->tid = tid;
+ ),
+
+ TP_printk(
+ STA_PR_FMT " tid:%d",
+ STA_PR_ARG, __entry->tid
+ )
+);
+
+TRACE_EVENT(api_start_tx_ba_cb,
+ TP_PROTO(struct ieee80211_sub_if_data *sdata, const u8 *ra, u16 tid),
+
+ TP_ARGS(sdata, ra, tid),
+
+ TP_STRUCT__entry(
+ VIF_ENTRY
+ __array(u8, ra, ETH_ALEN)
+ __field(u16, tid)
+ ),
+
+ TP_fast_assign(
+ VIF_ASSIGN;
+ memcpy(__entry->ra, ra, ETH_ALEN);
+ __entry->tid = tid;
+ ),
+
+ TP_printk(
+ VIF_PR_FMT " ra:%pM tid:%d",
+ VIF_PR_ARG, __entry->ra, __entry->tid
+ )
+);
+
+TRACE_EVENT(api_stop_tx_ba_session,
+ TP_PROTO(struct ieee80211_sta *sta, u16 tid, u16 initiator),
+
+ TP_ARGS(sta, tid, initiator),
+
+ TP_STRUCT__entry(
+ STA_ENTRY
+ __field(u16, tid)
+ __field(u16, initiator)
+ ),
+
+ TP_fast_assign(
+ STA_ASSIGN;
+ __entry->tid = tid;
+ __entry->initiator = initiator;
+ ),
+
+ TP_printk(
+ STA_PR_FMT " tid:%d initiator:%d",
+ STA_PR_ARG, __entry->tid, __entry->initiator
+ )
+);
+
+TRACE_EVENT(api_stop_tx_ba_cb,
+ TP_PROTO(struct ieee80211_sub_if_data *sdata, const u8 *ra, u16 tid),
+
+ TP_ARGS(sdata, ra, tid),
+
+ TP_STRUCT__entry(
+ VIF_ENTRY
+ __array(u8, ra, ETH_ALEN)
+ __field(u16, tid)
+ ),
+
+ TP_fast_assign(
+ VIF_ASSIGN;
+ memcpy(__entry->ra, ra, ETH_ALEN);
+ __entry->tid = tid;
+ ),
+
+ TP_printk(
+ VIF_PR_FMT " ra:%pM tid:%d",
+ VIF_PR_ARG, __entry->ra, __entry->tid
+ )
+);
+
+TRACE_EVENT(api_restart_hw,
+ TP_PROTO(struct ieee80211_local *local),
+
+ TP_ARGS(local),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT,
+ LOCAL_PR_ARG
+ )
+);
+
+TRACE_EVENT(api_beacon_loss,
+ TP_PROTO(struct ieee80211_sub_if_data *sdata),
+
+ TP_ARGS(sdata),
+
+ TP_STRUCT__entry(
+ VIF_ENTRY
+ ),
+
+ TP_fast_assign(
+ VIF_ASSIGN;
+ ),
+
+ TP_printk(
+ VIF_PR_FMT,
+ VIF_PR_ARG
+ )
+);
+
+TRACE_EVENT(api_connection_loss,
+ TP_PROTO(struct ieee80211_sub_if_data *sdata),
+
+ TP_ARGS(sdata),
+
+ TP_STRUCT__entry(
+ VIF_ENTRY
+ ),
+
+ TP_fast_assign(
+ VIF_ASSIGN;
+ ),
+
+ TP_printk(
+ VIF_PR_FMT,
+ VIF_PR_ARG
+ )
+);
+
+TRACE_EVENT(api_cqm_rssi_notify,
+ TP_PROTO(struct ieee80211_sub_if_data *sdata,
+ enum nl80211_cqm_rssi_threshold_event rssi_event),
+
+ TP_ARGS(sdata, rssi_event),
+
+ TP_STRUCT__entry(
+ VIF_ENTRY
+ __field(u32, rssi_event)
+ ),
+
+ TP_fast_assign(
+ VIF_ASSIGN;
+ __entry->rssi_event = rssi_event;
+ ),
+
+ TP_printk(
+ VIF_PR_FMT " event:%d",
+ VIF_PR_ARG, __entry->rssi_event
+ )
+);
+
+TRACE_EVENT(api_scan_completed,
+ TP_PROTO(struct ieee80211_local *local, bool aborted),
+
+ TP_ARGS(local, aborted),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ __field(bool, aborted)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ __entry->aborted = aborted;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT " aborted:%d",
+ LOCAL_PR_ARG, __entry->aborted
+ )
+);
+
+TRACE_EVENT(api_sta_block_awake,
+ TP_PROTO(struct ieee80211_local *local,
+ struct ieee80211_sta *sta, bool block),
+
+ TP_ARGS(local, sta, block),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ STA_ENTRY
+ __field(bool, block)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ STA_ASSIGN;
+ __entry->block = block;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT STA_PR_FMT " block:%d",
+ LOCAL_PR_ARG, STA_PR_FMT, __entry->block
+ )
+);
+
+/*
+ * Tracing for internal functions
+ * (which may also be called in response to driver calls)
+ */
+
+TRACE_EVENT(wake_queue,
+ TP_PROTO(struct ieee80211_local *local, u16 queue,
+ enum queue_stop_reason reason),
+
+ TP_ARGS(local, queue, reason),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ __field(u16, queue)
+ __field(u32, reason)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ __entry->queue = queue;
+ __entry->reason = reason;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT " queue:%d, reason:%d",
+ LOCAL_PR_ARG, __entry->queue, __entry->reason
+ )
+);
+
+TRACE_EVENT(stop_queue,
+ TP_PROTO(struct ieee80211_local *local, u16 queue,
+ enum queue_stop_reason reason),
+
+ TP_ARGS(local, queue, reason),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ __field(u16, queue)
+ __field(u32, reason)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ __entry->queue = queue;
+ __entry->reason = reason;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT " queue:%d, reason:%d",
+ LOCAL_PR_ARG, __entry->queue, __entry->reason
+ )
+);
#endif /* !__MAC80211_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */
#undef TRACE_INCLUDE_PATH