Release 3.4.0

(release date 2021-10-20)

New Features/Improvements/Bug Fixes

• Aligned on firmware 3.13.0
• Add a parameter in sl_wfx_set_tx_rate_parameters() to select the rate algorithm used

Release 3.3.2

(release date 2021-03-24)

New Features/Improvements/Bug Fixes

• Aligned on firmware 3.12.2
• Fix misuse of sl_wfx_host_deinit()

Release 3.3.1

(release date 2021-02-18)

New Features/Improvements/Bug Fixes

• Aligned on firmware 3.12.1
• Aligned License Agreement headers

Release 3.3.0

(release date 2020-12-22)

New Features/Improvements/Bug Fixes

• Aligned on firmware 3.12.0
• API parameter to enable Fast power save
• New power save error indication
• Aligned License Agreement headers
• BIG_ENDIAN define now specific to the driver

Release 3.2.2

(release date 2020-11-12)

New Features/Improvements/Bug Fixes

• Aligned on firmware 3.11.1

Release 3.2.1

(release date 2020-10-14)

New Features/Improvements/Bug Fixes

• Aligned on firmware 3.11.0
• Improve Secure Link context initialization
• Optimize power save implementation
• sl_wfx_send_request() no longer silently drops packets when HIF queue is full

Release 3.2.0

(release date 2020-09-07)

New Features/Improvements/Bug Fixes

• Aligned on firmware 3.10.0
• Support for WPA3 offloading

Release 3.1.0

(release date 2020-08-04)

New Features/Improvements/Bug Fixes

• Aligned on firmware 3.9.0
• Sync to the SecureLink bitmap returned by the firmware

Release 3.0.4

(release date 2020-07-17)

New Features/Improvements/Bug Fixes

• Aligned on firmware 3.8.0
• Fix a potential exploit in sl_wfx_get_pmk()
• Check if received commands have the correct Secure Link encryption state
• Check 'get' command status before returning values to the application

Release 3.0.3

(release date 2020-06-18)

New Features/Improvements/Bug Fixes

• Fixed an issue with Secure Link Trusted Enforced parts

Release 3.0.2

(release date 2020-06-15)

New Features/Improvements/Bug Fixes

• Aligned on firmware 3.7.0
• Improved sl_wfx_init() execution time

Release 3.0.1

(release date 2020-05-20)

New Features/Improvements/Bug Fixes

• Aligned on firmware 3.6.1

Release 3.0.0

(release date 2020-04-14)

New Features/Improvements/Bug Fixes

• Remove following APIs:
  • sl_wfx_join_ibss_command()
  • sl_wfx_leave_ibss_command()
• Update context MAC address when calling sl_wfx_set_mac_address()
• Enable writing of Secure Link key in OTP
• Improved logging of error indications
• Fix memory issue with Secure Link
• Change firmware folder structure
• Aligned on firmware 3.5.0

Release 2.4.0

(release date 2020-02-28)

New Features/Improvements/Bug Fixes

• Add the following function to the driver API:
  • sl_wfx_set_cca_config()
• Fix handling error when calling sl_wfx_host_lock()
• Improve SLK negotiation handling robustness
• Add an error check on the config read in SDIO
• Do not set up event for:
  • SL_WFX_SEND_FRAME_REQ_ID request
  • SL_WFX_SHUT_DOWN_REQ_ID request
• Aligned on firmware 3.4.1

Release 2.3.2

(release date 2019-12-03)

New Features/Improvements/Bug Fixes

• Fix sl_wfx_get_opn() function
• Aligned on firmware 3.3.1

Release 2.3.1

(release date 2019-11-21)

New Features/Improvements/Bug Fixes

• Rename firmware files to use sl_wfx prefix
• Aligned on firmware 3.3.0

Release 2.3.0

(release date 2019-11-07)

New Features/Improvements/Bug Fixes

• Add a new logging mechanism to debug the driver
• Add a lock/unlock API to handle driver accesses in an RTOS context
• Add Secure Link (SLK) fast key negotiation support
• Add a "bssid" parameter to the sl_wfx_send_scan_command function to support directed unicast scan
• Add the following function to the driver API:
  • sl_wfx_get_pmk()
• Add the following functions to the host API:
  • sl_wfx_host_lock()
  • sl_wfx_host_unlock()
  • sl_wfx_host_log()
• Rename sl_status_t defines and move sl_status.h location
• Aligned on firmware 3.3.0

Release 2.2.0

(release date 2019-09-05)

New Features/Improvements/Bug Fixes

• Fix a bug in sl_wfx_send_ethernet_frame() where the header payload could be corrupted
• Add Secure Link (SLK) support
• Add Packet Traffic Arbitration (PTA) support
• Add the following functions to the driver API:
  • sl_wfx_pta_settings()
  • sl_wfx_pta_priority()
  • sl_wfx_pta_state()
  • sl_wfx_secure_link_set_mac_key()
  • sl_wfx_secure_link_exchange_keys()
  • sl_wfx_secure_link_renegotiate_session_key()
  • sl_wfx_secure_link_configure()
• Add the following functions to the host API:
  • sl_wfx_host_get_secure_link_mac_key()
  • sl_wfx_host_compute_pub_key()
  • sl_wfx_host_verify_pub_key()
  • sl_wfx_host_decode_secure_link_data()
  • sl_wfx_host_encode_secure_link_data()
  • sl_wfx_host_schedule_secure_link_renegotiation()
• Add the following files to the driver:
  • secure_link/sl_wfx_secure_link.c
  • secure_link/sl_wfx_secure_link.h
  • sl_wfx_version.h
• Aligned on firmware 3.0.0

Release 2.1.0

(release date 2019-07-19)

New Features/Improvements/Bug Fixes

• Introduce device power save management
• Add the following functions to the driver API:
  • sl_wfx_get_ap_client_signal_strength()
  • sl_wfx_enable_device_power_save()
  • sl_wfx_disable_device_power_save()
• Add the following functions to the host API:
  • sl_wfx_host_sleep_grant()
• Rename sl_wfx_context_t used_buffer_number attribute to used_buffers
• Rename sl_wfx_interface_status_t to sl_wfx_state_t
• Add attribute sl_wfx_state_t state to sl_wfx_context_t
• Remove wait_duration_ms parameter from sl_wfx_host_allocate_buffer()
• Remove message_type parameter from sl_wfx_host_post_event()
• Remove the Doxygen documentation and replace it by a link to docs.silabs.com
• Aligned on firmware 2.3.0

Known Issues

• sl_wfx_send_ethernet_frame() can send a corrupted header if the memory allocated for sl_wfx_send_frame_req_t frame is not set to 0

Release 2.0.1

(release date 2019-04-18)

New Features/Improvements/Bug Fixes

• Fix an issue with the softAP interface
• Limit the input buffers to avoid running into issues when transmitting data and sending regular FMAC commands
• Update the Doxygen documentation
• Aligned on firmware 2.2.1

Release 2.0.0

(release date 2019-04-12)

New Features/Improvements/Bug Fixes

• File name prefixes changed from wf200_ to sl_wfx_
• Function name prefixes changed from wf200_ to sl_wfx_
• Structure name prefixes changed from wf200_ to sl_wfx_
• Add following APIs:
  • sl_wfx_join_ibss_command()
  • sl_wfx_leave_ibss_command()
  • sl_wfx_remove_multicast_address()
  • sl_wfx_set_arp_ip_address()
  • sl_wfx_set_ns_ip_address()
  • sl_wfx_set_broadcast_filter()
  • sl_wfx_set_unicast_filter()
  • sl_wfx_add_whitelist_address()
  • sl_wfx_add_blacklist_address()
  • sl_wfx_set_max_ap_client_inactivity()
  • sl_wfx_set_scan_parameters()
  • sl_wfx_set_roam_parameters()
  • sl_wfx_set_tx_rate_parameters()
  • sl_wfx_set_max_tx_power()
  • sl_wfx_get_max_tx_power()
  • sl_wfx_control_gpio()
  • sl_wfx_prevent_rollback()
• Remove wf200_pds.h from the driver
• Add sl_wfx_host_get_pds_data() and sl_wfx_host_get_pds_size() APIs
• Modify sl_wfx_host_post_event() declaration
• Modify sl_wfx_host_spi_transfer_no_cs_assert() declaration
• wf200_frame_t structure replaced by sl_wfx_send_frame_req_t
• wf200_ethernet_frame_t structure replaced by sl_wfx_received_ind_t
• wf200_buffer_t structure replaced by sl_wfx_generic_message_t
• wf200_scan_result_t structure replaced by sl_wfx_scan_result_ind_t
• Align existing driver APIs to firmware APIs
• Aligned on firmware 2.2.1

Known Issues

• The softAP interface is not set correctly by the driver

Release 1.0.1

(release date 2019-03-04)

New Features/Improvements/Bug Fixes

• Modification in wf200_bus_sdio.c to improve SDIO support
• Removed Doxygen HTML output
• Aligned on firmware 2.0.0

Release 1.0.0

(release date 2019-01-08)

• Initial release
• Aligned on firmware 2.0.0