CC33xx Linux Package Release Notes
Table of Contents
Introduction
This CC33xx Linux Software Package delivers components that enable operation of the Texas Instruments CC33xx Wi-Fi and BLE family of wireless transceivers on Linux platforms.
This is version 1.0.0.5 of the CC33xx Linux Software Package
The version is a production quality release for 2.4/5Ghz devices
Previous release was 1.0.0.4
Release highlights
This is a release for TI’s CC33xx device supporting Wi-Fi 6 and BLE 5.4.
New features added:
- 5GHz support
- TKIP support
- API for IO’s Control
- Channel 169 support
- Network Assisted Roaming
Resolved Issues
| ID | Summary |
|---|---|
| OSPREY_LDB-2089 | Multirole STA-STA: Failure when second station disconnects from AP |
| OSPREY_LDB-2077 | Encrypted multicast management frames not filtered correctly |
| OSPREY_LDB-2050 | Robustness: sdio_rebind.sh fail after ~15 times |
| OSPREY_LDB-2044 | Throughput sometimes drops to 0 during traffic |
| OSPREY_LDB-2033 | MR STA STA - Removing both interface fails |
| OSPREY_LDB-2025 | Channel Switch - Sometimes Switching channel while running UDP TX traffic fails |
| OSPREY_LDB-1877 | FW failure observed infrequently after long stability tests with Wi-Fi traffic |
| OSPREY_LDB-1837 | [COEX]: In some cases Wi-Fi fails to connect in 5G during BLE connection\traffic |
| OSPREY_LDB-1805 | Channel switch - DUT sometimes send packet in old channel after last beacon from AP |
| OSPREY_LDB-1685 | Multi-Role STA-STA: When both roles run UDP RX traffic, low throughput observed (on both) |
| OSPREY_LDB-1678 | Stability: traffic stopped after several hours of Bi-directional TCP Wi-Fi traffic |
| OSPREY_LDB-1668 | Wi-Fi/BLE COEX: Disconnection observed infrequently in stability test of Wi-Fi traffic with BLE activity |
| OSPREY_LDB-1641 | Interoperability: Some Degradation on RX with Xiaomi AX1800 and TP-Link AX11001 APs |
| OSPREY_LDB-1580 | Wi-Fi/BLE COEX: Wi-Fi RX throughput is degraded when BLE connection interval is 50ms |
Supported features:
Wi-Fi
- Supported Wi-Fi Roles: Station (STA), Access Point (AP)
- Certified Wi-Fi 6 in STA role
- Certified Wi-Fi 4 in AP role
- Supports IEEE 802.11 a,b,g,n,ax (ax in STA role only)
- Supported band: 2.4GHz / 5GHz
- STA security: TKIP, WPA/WPA2 mixed mode, WPA2 personal, WPA3 personal, WPA2/WPA3 transitional mode, WPS PBC + PIN, WPA3 GCMP long keys, WPA2 Enterprise, WPA3 Enterprise: TLS, TTLS, TTLS-MSCHAP, PEAPv0-MSCHAP and PEAPv1-TLS
- AP security: WPA2 personal, WPA3 personal
- AP role supports up to 16 peers
- Supports throughput reaching greater than 50Mbps for UDP TX and UDP RX
- Multirole - STA role and AP role running in parallel
- Multirole - STA role and a second STA role running in parallel
- SDIO and SPI host interface support
- SDIO ‘in band’/‘out of band’ interrupt support (default is ‘out of band’)
- Multicast filtering
- Wi-Fi/BLE coex
- Coexistence with external 2.4GHz radios - Not fully not optimized
- INI configuration file support
- LSI (Long Sleep Interval) support
- Regulatory Domain Support
- Recovery mechanism
- Antenna Diversity
- Wi-Fi 6 TWT - Individual
- WoW - Wake on Wireless Lan
- Channel Switch Announcement support in Station role
- Network Assisted Roaming
BLE
- BLE 5.4 Qualified
- Supported BLE roles: Broadcaster, Peripheral, Observer, Central, Multirole
- Legacy & Extended Advertisement
- Legacy & Extended Scan
- Multiple BLE Connections (up to 16)
- Supported PHYs: 1M, 2M, Coded
- Shared SDIO support (Wi-Fi & BLE over SDIO)
- TX power control
- Privacy
- Secured connection
Documentation
- [User’s Guide] (docs/CC33xx Linux Getting Started Guide)
Operating Systems Support
- Ubuntu
- Windows
Dependencies
The CC33xx Wi-Fi Linux driver and BLE were integrated and tested with the following:
- TI Processors SDK 09.01.00.001
- Kernel 6.1
- BlueZ 5.65
- Wpa_supplicant 2.10
Device Support
- CC33xx ICs
Limitations
- AP role on 5GHz band works only on non-dfs channels
Known Issues
| ID | Summary |
|---|---|
| OSPREY_LDB-2124 | MR STA/STA - Some instabilities observed on long duration traffic scenarios |
| OSPREY_LDB-2048 | Power consumption: in 5Ghz band, DTIM 1 current is slightly higher then expected |
| OSPREY_LDB-1898 | [COEX]: External coex - In some cases Wi-Fi connection time is very long during external activity |
| OSPREY_LDB-1880 | TWT - Sometimes Wi-Fi throughput is lower than expected |
| OSPREY_LDB-1878 | Link adaptation algorithm is not fully optimized |
| OSPREY_LDB-1779 | Suspend: Does not work with kernel 6.1 and BBB |
| OSPREY_LDB-1727 | IOP-STA - CC33xx connected to Buffalo AP sometimes sends PS polls every beacon |
| OSPREY_LDB-1700 | Driver does not support iw power_save |
| OSPREY_LDB-1688 | [COEX]: In some cases Wi-Fi scan fails to find AP during BLE data |
| OSPREY_LDB-1638 | Some beacon-loss observed when setting LSI to 9 and running UDP RX traffic |
| OSPREY_LDB-1615 | Wi-Fi/BLE COEX: Instability observed in scenarios of Wi-Fi Multi-Role with BLE advertise |
| OSPREY_LDB-1579 | Interoperability: TP-Link Archer C60 AP sends unexpected deauthentication to CC33xx while idle |
| OSPREY_LDB-1264 | IOP STA: Low RX TP with some APs |
| BLE_OSPREY-206 | [Multi Connect] Peripheral (BlueZ Host) with Multiple Connections failed long duration stability test |