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>
This commit is contained in:
Johannes Berg
2011-02-25 15:36:57 +01:00
committed by John W. Linville
parent 8628172f45
commit 5f16a43617
6 changed files with 118 additions and 0 deletions

View File

@ -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.
*/