nl80211/cfg80211: extend mgmt-tx API for off-channel
With p2p, it is sometimes necessary to transmit
a frame (typically an action frame) on another
channel than the current channel. Enable this
through the CMD_FRAME API, and allow it to wait
for a response. A new command allows that wait
to be aborted.
However, allow userspace to specify whether or
not it wants to allow off-channel TX, it may
actually want to use the same channel only.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 6980a0c..d7680f2 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -864,9 +864,9 @@
int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
struct net_device *dev,
- struct ieee80211_channel *chan,
+ struct ieee80211_channel *chan, bool offchan,
enum nl80211_channel_type channel_type,
- bool channel_type_valid,
+ bool channel_type_valid, unsigned int wait,
const u8 *buf, size_t len, u64 *cookie)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
@@ -946,8 +946,9 @@
return -EINVAL;
/* Transmit the Action frame as requested by user space */
- return rdev->ops->mgmt_tx(&rdev->wiphy, dev, chan, channel_type,
- channel_type_valid, buf, len, cookie);
+ return rdev->ops->mgmt_tx(&rdev->wiphy, dev, chan, offchan,
+ channel_type, channel_type_valid,
+ wait, buf, len, cookie);
}
bool cfg80211_rx_mgmt(struct net_device *dev, int freq, const u8 *buf,