mac80211: add offset_tsf driver op and use it for mesh
This allows the mesh sync (and debugfs) code to make incremental
TSF adjustments, avoiding any uncertainty introduced by delay in
programming absolute TSF.
Signed-off-by: Thomas Pedersen <twp@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/mesh_sync.c b/net/mac80211/mesh_sync.c
index 64bc22a..22ca43c 100644
--- a/net/mac80211/mesh_sync.c
+++ b/net/mac80211/mesh_sync.c
@@ -70,9 +70,13 @@
}
spin_unlock_bh(&ifmsh->sync_offset_lock);
- tsf = drv_get_tsf(local, sdata);
- if (tsf != -1ULL)
- drv_set_tsf(local, sdata, tsf + tsfdelta);
+ if (local->ops->offset_tsf) {
+ drv_offset_tsf(local, sdata, tsfdelta);
+ } else {
+ tsf = drv_get_tsf(local, sdata);
+ if (tsf != -1ULL)
+ drv_set_tsf(local, sdata, tsf + tsfdelta);
+ }
}
static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,