[ESP32] Config option to enable background matter thread (#27348)

* [ESP32] Config option to enable background matter thread * Apply suggestions from code review Co-authored-by: Boris Zbarsky <bzbarsky@apple.com> * bg thread is already started above --------- Co-authored-by: Boris Zbarsky <bzbarsky@apple.com>
project-chip · Sep 13, 2023 · 1479540 · 1479540
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diff --git a/config/esp32/components/chip/Kconfig b/config/esp32/components/chip/Kconfig
@@ -280,6 +280,14 @@ menu "CHIP Device Layer"
  help
  Enables or Disables the support for Commissionable Device Type.
 
+ config ENABLE_BG_EVENT_PROCESSING
+ bool "Enable Background event processing"
+ default n
+ help
+ Some cryptographic operations requires more time for processing,
+ When this option is enabled, the main matter task can delegate some
+ time consuming operations to a background task so that the main matter
+ task is not blocked and can process other work.
  endmenu
 
  menu "Device Identification Options"

diff --git a/src/platform/ESP32/CHIPDevicePlatformConfig.h b/src/platform/ESP32/CHIPDevicePlatformConfig.h
@@ -100,3 +100,4 @@
 #define CHIP_DEVICE_CONFIG_ENABLE_DEVICE_INSTANCE_INFO_PROVIDER CONFIG_ENABLE_ESP32_DEVICE_INSTANCE_INFO_PROVIDER
 #define CHIP_DEVICE_CONFIG_DISCOVERY_TIMEOUT_SECS CONFIG_CHIP_DISCOVERY_TIMEOUT_SECS
 #define CHIP_DEVICE_CONFIG_ENABLE_BOTH_COMMISSIONER_AND_COMMISSIONEE CONFIG_ENABLE_ESP32_BLE_CONTROLLER
+#define CHIP_DEVICE_CONFIG_ENABLE_BG_EVENT_PROCESSING CONFIG_ENABLE_BG_EVENT_PROCESSING