BATADV_TT_SYNC_MASK
flags |= tt_global->common.flags & (~BATADV_TT_SYNC_MASK);
common->flags = flags & (~BATADV_TT_SYNC_MASK);
common->flags |= flags & (~BATADV_TT_SYNC_MASK);
flags & BATADV_TT_SYNC_MASK);
u16 flags = (common->flags & (~BATADV_TT_SYNC_MASK)) | orig->flags;
flags = tt_common->flags & BATADV_TT_SYNC_MASK;
BUILD_BUG_ON(!(BATADV_TT_SYNC_MASK & BATADV_TT_REMOTE_MASK));