| Acronym | Definition |
|---|---|
| AAA | Authentication, Authorization, and Accounting |
| ACFG | Configuration API |
| ACL | Access Control List |
| ACS | Auto Channel Selection |
| ADDBA | Add Block Acknowledgment |
| ADDTS | Action Add Traffic System |
| aDFS | Agile Dynamic Frequency Selection |
| AESv | Advanced Encryption Standard |
| ALD | Application Layer Data |
| AMPDU | Aggregate MPDU(MAC Protocol Data Unit) |
| AMSDU | Aggregate MSDU(MAC Service Data Unit) |
| ANIv | Adaptive Noise Immunity |
| AoWv | Audio over Wireless |
| AP | Access Point |
| API | Application Programming Interface |
| APS | Adaptive Path Selection |
| ARP | Address Resolution Protocol |
| aSA | Agile Spectral Scan |
| ASE | Address Search Engine |
| ASF | Atheros Service Framework |
| AST | Address Search Table |
| ATF | AirTime Fairness |
| BAR | Block Acknowledgment Request |
| BDF | Board Data File. A binary file specific for a Wi-Fi chip with RF calibration parameters. |
| BMI | Bootloader Message Interface. Used by 802.11ac radios such as AR900b, AR9888, QCA9888 family to download, execute firmware, read and write some select regions of target memory. |
| BSSID | Basic Service Set Identifier |
| BTM | BSS Transition Management |
| CalDB | Per-channel Calibration Database |
| CAC | Channel Availability Check |
| CAL | Channel Access Latency |
| CAP | Central Access Point |
| CBF | Coordinated Beamforming |
| CBS | Continuous Background Scan |
| CCE | Custom Classification Engine |
| CCM | Counter Mode Cipher Block Chaining Message Authentication Code |
| CCK | Complimentary Code Keying |
| CE | Copy Engine |
| CFR | Channel Frequency Response |
| CLAT | Customer-side translator |
| CLPC | Closed Loop Power Control |
| CMD | Command |
| CNSS2 | Connectivity and Network Subsystem Platform driver V2 in Linux. |
| CNSS2 | Platform driver / PLD Platform driver, interface between cnss2 and wireless LAN driver |
| COT | Channel Occupancy Test |
| CPE | Customer Premises Equipment |
| CRC | Cyclic Redundancy Check |
| CSA | Channel Switch Announcement |
| CTL | Confirmatory Test Limit |
| CWMP | CPE WAN Management Protocol |
| DA | Direct Attach |
| DBDC | Dual Band Dual Concurrent |
| DCS | Dynamic Channel Selection |
| DCM | Dual Sub-carrier Modulation |
| DE | Data Elements |
| DELBA | Delete Block Acknowledgment |
| DELTS | Action Delete Traffic System |
| DFS | Dynamic Frequency Selection |
| DHCP | Dynamic Host Configuration Protocol |
| DISA | Defense Information Systems Agency |
| DL | Downlink |
| DMA | Direct Memory Access |
| DMS | Directed Multicast Service |
| DPP | Device Provisioning Protocol |
| DRA | Dynamic Rate Adjustment |
| DRAM | Dynamic RAM |
| DTCS | Dynamic Transmit Chainmask Selection |
| DTLS | Datagram Transport Layer Security |
| DTSI | Device Tree Source Identifie |
| DUT | Device Under Test |
| EAP | Extensible Authentication Protocol |
| EAPOL | EAP Over LAN |
| ECC | Elliptic Cure Cryptography |
| ECM | Enhanced Connection Manager |
| EDCA | Enhanced Distributed Channel Access |
| EEPROM | Electrically Erasable Programmable Read Only Memory |
| EIR | Enhanced Independent Repeater |
| ELF | Executable and Linking Format |
| EMA | Enhanced MBSSID |
| ESS | Ethernet SubSystem |
| Extended | Service Set |
| ETSI | European Telecommunications Standard Institute |
| EVM | Error Vector Magnitude |
| FBC | Frame Buffer Compression |
| FCC | Federal Communications Commission |
| FCG | Finite Cyclic Group |
| FFC | Finite Field Cryptography |
| FFT | Fast Fourier Transform |
| FILS | Fast Initial Link Setup |
| FIPS | Federal Information Processing Standard |
| FSE | Flow Search Engine |
| FW | Target Q6 firmware in general including components such as HALPHY and M3 Q6 firmware is also called Wi-Fi firmware |
| FO | Full Offload |
| FTM | Fine Timing Measurement |
| FTMRR | Fine Timing Measurement Range Request |
| G-Link | Generic Link |
| GI | Guard Interval |
| GMAC | Gigabit Ethernet Media Access Control |
| GPR | Gratuitous Probe Response |
| GRE | Generic Routing Encapsulation |
| HAL | Hardware Abstraction Layer |
| HBR | Head of the Line Blocking Removal |
| HC | Hybrid Client |
| HE | High Efficiency |
| HIF | Host Interface |
| HLOS | High Level Operating System |
| HNAT | Host Network Address Translation |
| Host | Any software component on Arm A53, including, Linux Kernel, Wi-Fi driver components in Linux (cnss2), Wi-Fi driver modules and its applications (such as cnss daemon) |
| HR | Hybrid Router |
| HT | High Throughout |
| HTT | Host Target Transport |
| HTC | Host Target Communications |
| HWSCH | Hardware Scheduler |
| Hyd | Hybrid daemon |
| Hybrid | bus The device is really connected to PCI bus on Q6, and Q6 is connected in AHB to host. Host/ARM process interprets similar to AHB. |
| ICM | Intelligent Channel Manager |
| IE | Information Element |
| IGMP | Internet Group Management Protocol |
| INI | Initialization |
| iQUE | Intelligent QoS for User Experience |
| IRAM | Internal RAM |
| ISR | Interrupt Service Routine |
| LACP | Link Aggregation Control Protocol |
| LAG | Link Aggregation Group |
| LAN | Local Area Network |
| Lbd | Load balancing daemon |
| LCI | Location Civic Information |
| LCR | Location Civic Report |
| LMAC | Lower MAC |
| LOWI | Location Wi-Fi Interface |
| LRO | Large Receive Offload |
| LTE-U | Long Term Evolution-Unlicensed |
| MAC | Medium Access Control |
| MAP-T | Mapping of Address and Port using Translation |
| MACSec | MAC Security (802.11ae) |
| MAP | Multiple AP (also called Easy Mesh) |
| MBO | Multiband Operation |
| MBSSID | Multiple Basic Service Set Identifier |
| MCS | Modulation Coding Scheme |
| ME | Multicast Enhancement |
| MHI | Modem Host Interface, used by discrete chips |
| MIC | Ministry of Internal Affairs and Communications |
| MLD | Multicast Listener Discovery |
| MLME | MAC Layer Management Entity |
| MPDU | MAC Protocol Data Unit |
| MSCS | Mirrored Stream Classification Service |
| MU-MIMO | Multiple User-Multiple Input Multiple Output |
| MWAN | Multiple WAN |
| NAC | Non Associated Client |
| NAN | Neighborhood Area Network |
| NAWDS | No-Associated Wireless Distribution System |
| NDPA | Null Data Packet Acknowledgment |
| NoDS | NoDistribution System |
| NOL | No Occupancy List |
| NSS | Networking Subsystem |
| OBSS | Overlapping Basic Service Set |
| OCS | Optimized Connectivity Experience |
| OOB | Out of Band |
| OPC | One Point Calibration |
| OSIF | Operating System Interface |
| OFDMA | Orthogonal Frequency Division Multiple Access |
| OVP | Open VPN |
| OVS | Open VSwitch |
| OWE | Opportunistic Wireless Encryption |
| P2P | Peer to Peer |
| PAPRD | Power Amplifier PRe-Distortion |
| PBC | Push Button Control |
| PCIe | Peripheral Component Interconnect express |
| PD | Protected Domain |
| PDG | PPDU Descriptor Generator |
| PDEV | Physical Device |
| PER | Packet Error Rate |
| PKE | Public Key Encryption |
| PLAT | Provider-side translator |
| PLC | PowerLine Communications |
| PLD API | Platform driver API from Wi-Fi driver to platform driver |
| PLD callback | Callbacks registered from Wi-Fi driver to platform driver |
| PLD bus ops | Individual bus specific (AHB, PCI) ops registered as callbacks from Wi-Fi driver (PLD interface layer) to platform driver. |
| PMF | Protected Management Frame |
| PO | Partial Offload |
| PPDU | Physical layer Protocol Data Unit |
| PPE | Packet Processing Engine |
| PPPoE | Point-to-Point Protocol over Ethernet |
| PPTP | Point-to-Point Tunneling Protocol |
| PWE | Password Element |
| Q6 Target /FW target/FW/Q6 | Represents the FW running in Q6. |
| QAM | Quadrature Amplitude Modulation |
| QCCI | QMI Common Client Interface |
| QCSI | QMI Common Service Interface |
| QDF | Qualcomm Driver Framework |
| QDSS | Qualcomm Debug Subsystem |
| QLD | Qualcomm Live Dump |
| QMI | Qualcomm Messaging Interface |
| QMSCT | Qualcomm Multiunit System Control Tool |
| QRFS | Qualcomm Receive Flow Steering |
| QRTR | Qualcomm Router |
| QSK | Quick STA Kickout |
| QWRAP | Qualcomm Wireless Repeater Access Point |
| RADIUS | Remote Access Dial In User Service |
| RAM | Random Access Memory |
| Ramdump | Target memory crash core dump |
| RCPI | Received Channel Power Indicator |
| RDK | Reference Design Kit |
| RE | Range Extender |
| Repacd | Range Extender Placement and Auto Configuration Daemon |
| REO | Reorder |
| RFS | Receive Flow Steering |
| ROMI | Receive Operating Mode Indication |
| RPS | Receive Packet Steering |
| RSS | Receive Side Scaling |
| RIFS | Reduced Inter Frame Spacing |
| RootPD | Root Protection Domain. Represents the master of all user protection domain |
| RPROC | Linux Remote Processor Framework |
| RNR | Reduced Neighbor Report |
| RSSI | Receive Signal Strength Indicator |
| RTS | Receive to Send |
| RvR | Rate vs Range |
| RxOLE | Receive offload engine |
| SA | Security Association |
| Smart | Antenna |
| SAE | Simultaneous Authentication of Equals |
| SAM | Stateless Address Mapping |
| SEQCTRL | Sequence Control |
| SFE | Shortcut Forwarding Engine |
| SIFS | Short Inter-Frame Space |
| SGMII | Serial Gigabit Media Independent Interface |
| SMPS | Switched Mode Power Supply |
| SoC | System on chip |
| SON | Self Optimizing Network (also called Wi-Fi SON) |
| Subsys framework | Subsystem framework provided in kernel to manage power on, off a certain device |
| SSDK | Switch Software Development Kit |
| SSID | Service Set Identifier |
| SSR - Subsystem recovery | Reset/reboot the remote processor without rebooting A53/host processor |
| STA | Station |
| STBC | Space-Time Block Codes |
| SWR | Software Retry |
| SWSCHED | Software Scheduler |
| TBTT | Target Beacon Transmission Time |
| TCL | Tx Classifier |
| TID | Traffic Identifier |
| TDLS | Tunneled Direct Link Setup |
| TDMA | Time Division Multiple Access |
| TPC | Transmit Power Control |
| TxBF | Transmit Beamforming |
| TLV | Type Length Value |
| TQM | Transmit Queue Manager |
| TSO | TCP Segmentation Offloading |
| TWT | Target Wake Time |
| TxBF | Transmit Beamforming |
| TxDE | Transmit Decision Engine |
| TxOP | Transmit Opportunity |
| UAPSD | Unscheduled Automatic Power Save Delivery |
| UCI | Unified Configuration Interface |
| UMAC | Upper MAC |
| UL | Uplink |
| UserPD | User Protection Domain. Represents a single Protection domain |
| VAP | Virtual Access Point |
| VDEV | Virtual Device |
| VHT | Very High Throughput |
| VPN | Virtual Private Network |
| VoW | Voice over wireless |
| WAL | WLAN Abstraction Layer |
| WAPI | Wireless Authentication and Privacy Infrastructure |
| WAR | Workaround |
| WBM | Wi-Fi Buffer Manager |
| WBUF | Wireless Buffer |
| WDI | WLAN Device Interface Layer |
| WDS | Wireless Distribution System |
| WEXT | Wireless Extension |
| Wi-Fi SON | Wi-Fi Self Organizing Network |
| WLAN | Wireless LAN |
| WMI | Wireless Message Interface |
| WMM | Wi-Fi Multimedia |
| WMM-AC | WMM admission control |
| WoW | Wake on Wireless |
| WPA | Wi-Fi Protected Access |
| WPS | Wi-Fi Protected Setup |
| Wsplcd | Wi-Fi SON Placement Configuration Daemon |