ble_hs_cfg struct

An optional callback that gets executed upon registration of each GATT resource (service, characteristic, or descriptor).

An optional argument that gets passed to the GATT registration callback.

Security Manager Local Input Output Capabilities.

Security Manager OOB flag If set proper flag in Pairing Request/Response will be set.

Security Manager Bond flag If set proper flag in Pairing Request/Response will be set. This results in storing keys distributed during bonding.

Security Manager MITM flag If set proper flag in Pairing Request/Response will be set. This results in requiring Man-In-The-Middle protection when pairing.

Security Manager Secure Connections flag If set proper flag in Pairing Request/Response will be set. This results in using LE Secure Connections for pairing if also supported by remote device. Fallback to legacy pairing if not supported by remote.

Security Manager - Enable/Disable Secure Connections Only flag If set, this will enforce P-256 elliptic curve encryption algorithm during pairing. It will force the max key size to be used during pairing.

Security Manager Key Press Notification flag Currently unsupported and should not be set.

Enable/Disable Enhanced ATT Support Primarily used to enable EATT behaviour; denotes the number of eatt channels. Set to 0 to disable eatt. Default value is CONFIG_BT_NIMBLE_EATT_CHAN_NUM.

Security Manager Local Key Distribution Mask.

Security Manager Remote Key Distribution Mask.

Stack reset callback This callback is executed when the host resets itself and the controller due to fatal error.

Stack sync callback This callback is executed when the host and controller become synced. This happens at startup and after a reset.

Callback to handle generation of security keys.

Storage Read callback handles read of security material.

Storage Write callback handles write of security material.

Storage Delete callback handles deletion of security material.

Storage Status callback. This callback gets executed when a persistence operation cannot be performed or a persistence failure is imminent. For example, if is insufficient storage capacity for a record to be persisted, this function gets called to give the application the opportunity to make room.

An optional argument that gets passed to the storage status callback.