b43: Accessing the TSF via mac80211
This allows the mac80211 high level code to access the TSF. This is e.g. needed for BSSID merges in the IBSS mode.
The second version adds locking and removes the now unnecessary debugfs entries.
Thanks to Michael Buesch! :)
Signed-off-by: Alina Friedrichsen <x-alina@gmx.net>
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index cbb3d45..e41c10f 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -3245,6 +3245,43 @@
return 0;
}
+static u64 b43_op_get_tsf(struct ieee80211_hw *hw)
+{
+ struct b43_wl *wl = hw_to_b43_wl(hw);
+ struct b43_wldev *dev;
+ u64 tsf;
+
+ mutex_lock(&wl->mutex);
+ spin_lock_irq(&wl->irq_lock);
+ dev = wl->current_dev;
+
+ if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED))
+ b43_tsf_read(dev, &tsf);
+ else
+ tsf = 0;
+
+ spin_unlock_irq(&wl->irq_lock);
+ mutex_unlock(&wl->mutex);
+
+ return tsf;
+}
+
+static void b43_op_set_tsf(struct ieee80211_hw *hw, u64 tsf)
+{
+ struct b43_wl *wl = hw_to_b43_wl(hw);
+ struct b43_wldev *dev;
+
+ mutex_lock(&wl->mutex);
+ spin_lock_irq(&wl->irq_lock);
+ dev = wl->current_dev;
+
+ if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED))
+ b43_tsf_write(dev, tsf);
+
+ spin_unlock_irq(&wl->irq_lock);
+ mutex_unlock(&wl->mutex);
+}
+
static void b43_put_phy_into_reset(struct b43_wldev *dev)
{
struct ssb_device *sdev = dev->dev;
@@ -4364,6 +4401,8 @@
.set_key = b43_op_set_key,
.get_stats = b43_op_get_stats,
.get_tx_stats = b43_op_get_tx_stats,
+ .get_tsf = b43_op_get_tsf,
+ .set_tsf = b43_op_set_tsf,
.start = b43_op_start,
.stop = b43_op_stop,
.set_tim = b43_op_beacon_set_tim,