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authorJohannes Berg <johannes.berg@intel.com>2011-02-25 15:36:57 +0100
committerJohn W. Linville <linville@tuxdriver.com>2011-02-25 15:33:40 -0500
commit5f16a43617d46cf255a66f4dc193a7f5b2540aaf (patch)
treeadd5e551c9d1abeee57b1fbad632a0e23bdd39b1 /net/mac80211/driver-trace.h
parent8628172f45c839376bf2b70bbd326d56e68dadc3 (diff)
mac80211: support direct offchannel TX offload
For devices supported by iwlwifi sometimes off-channel transmissions need to be handled by the device completely. To support this mac80211 needs to pass the frame directly to the driver and not through the TX path as the driver needs the frame and channel information at the same time. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/driver-trace.h')
-rw-r--r--net/mac80211/driver-trace.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/net/mac80211/driver-trace.h b/net/mac80211/driver-trace.h
index e5cce19a7d6..520fe244489 100644
--- a/net/mac80211/driver-trace.h
+++ b/net/mac80211/driver-trace.h
@@ -884,6 +884,39 @@ DEFINE_EVENT(local_only_evt, drv_cancel_remain_on_channel,
TP_ARGS(local)
);
+TRACE_EVENT(drv_offchannel_tx,
+ TP_PROTO(struct ieee80211_local *local, struct sk_buff *skb,
+ struct ieee80211_channel *chan,
+ enum nl80211_channel_type channel_type,
+ unsigned int wait),
+
+ TP_ARGS(local, skb, chan, channel_type, wait),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ __field(int, center_freq)
+ __field(int, channel_type)
+ __field(unsigned int, wait)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ __entry->center_freq = chan->center_freq;
+ __entry->channel_type = channel_type;
+ __entry->wait = wait;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT " freq:%dMHz, wait:%dms",
+ LOCAL_PR_ARG, __entry->center_freq, __entry->wait
+ )
+);
+
+DEFINE_EVENT(local_only_evt, drv_offchannel_tx_cancel_wait,
+ TP_PROTO(struct ieee80211_local *local),
+ TP_ARGS(local)
+);
+
/*
* Tracing for API calls that drivers call.
*/