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mac80211: implement hardware offload for remain-on-channel

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This allows drivers to support remain-on-channel
offload if they implement smarter timing or need
to use a device implementation like iwlwifi.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2010-12-18 17:20:47 +01:00 • committed by John W. Linville
parent c96e96354a
commit 21f8358964
8 changed files with 306 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

80
net/mac80211/driver-trace.h
View file

@ -933,6 +933,50 @@ TRACE_EVENT(drv_get_antenna,
)
);
TRACE_EVENT(drv_remain_on_channel,
TP_PROTO(struct ieee80211_local *local, struct ieee80211_channel *chan,
enum nl80211_channel_type chantype, unsigned int duration),
TP_ARGS(local, chan, chantype, duration),
TP_STRUCT__entry(
LOCAL_ENTRY
__field(int, center_freq)
__field(int, channel_type)
__field(unsigned int, duration)
),
TP_fast_assign(
LOCAL_ASSIGN;
__entry->center_freq = chan->center_freq;
__entry->channel_type = chantype;
__entry->duration = duration;
),
TP_printk(
LOCAL_PR_FMT " freq:%dMHz duration:%dms",
LOCAL_PR_ARG, __entry->center_freq, __entry->duration
)
);
TRACE_EVENT(drv_cancel_remain_on_channel,
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
)
);
/*
* Tracing for API calls that drivers call.
*/
@ -1170,6 +1214,42 @@ TRACE_EVENT(api_chswitch_done,
)
);
TRACE_EVENT(api_ready_on_channel,
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_remain_on_channel_expired,
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
)
);
/*
* Tracing for internal functions
* (which may also be called in response to driver calls)