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mac80211: support direct offchannel TX offload

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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
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31
net/mac80211/driver-ops.h
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@@ -495,4 +495,35 @@ static inline int drv_cancel_remain_on_channel(struct ieee80211_local *local)
return ret;
}
static inline int drv_offchannel_tx(struct ieee80211_local *local,
struct sk_buff *skb,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type,
unsigned int wait)
{
int ret;
might_sleep();
trace_drv_offchannel_tx(local, skb, chan, channel_type, wait);
ret = local->ops->offchannel_tx(&local->hw, skb, chan,
channel_type, wait);
trace_drv_return_int(local, ret);
return ret;
}
static inline int drv_offchannel_tx_cancel_wait(struct ieee80211_local *local)
{
int ret;
might_sleep();
trace_drv_offchannel_tx_cancel_wait(local);
ret = local->ops->offchannel_tx_cancel_wait(&local->hw);
trace_drv_return_int(local, ret);
return ret;
}
#endif /* __MAC80211_DRIVER_OPS */