[zephyr] Add Kconfig to enable persistent subscriptions

project-chip · Jan 30, 2023 · f5a8fd4 · f5a8fd4
1 parent 4f24db4
commit f5a8fd4
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diff --git a/config/nrfconnect/chip-module/CMakeLists.txt b/config/nrfconnect/chip-module/CMakeLists.txt
@@ -212,6 +212,7 @@ chip_gn_arg_bool  ("chip_config_network_layer_ble"          CONFIG_BT)
 chip_gn_arg_bool  ("chip_inet_config_enable_ipv4"           CONFIG_NET_IPV4)
 chip_gn_arg_bool  ("chip_enable_nfc"                        CONFIG_CHIP_NFC_COMMISSIONING)
 chip_gn_arg_bool  ("chip_enable_ota_requestor"              CONFIG_CHIP_OTA_REQUESTOR)
+chip_gn_arg_bool  ("chip_persist_subscriptions"             CONFIG_CHIP_PERSISTENT_SUBSCRIPTIONS)
 chip_gn_arg_bool  ("chip_build_tests"                       CONFIG_CHIP_BUILD_TESTS)
 chip_gn_arg_bool  ("chip_monolithic_tests"                  CONFIG_CHIP_BUILD_TESTS)
 chip_gn_arg_bool  ("chip_inet_config_enable_tcp_endpoint"   CONFIG_CHIP_BUILD_TESTS)

diff --git a/config/zephyr/Kconfig b/config/zephyr/Kconfig
@@ -254,6 +254,16 @@ config CHIP_CRYPTO_PSA
 	  based on the PSA crypto API (instead of the default implementation, which
 	  is based on the legacy mbedTLS APIs).
 
+config CHIP_PERSISTENT_SUBSCRIPTIONS
+	bool "Persistent subscriptions"
+	help
+	  Persists Matter subscriptions on the publisher node. This feature allows
+	  a Matter node to faster get back to the previous operation after it went
+	  offline, for example, due to a power outage. That is, the node can use the
+	  persisted subscription information to quickly re-establish the previous
+	  subscriptions instead of waiting for the subscriber node to realize that
+	  the publisher is alive again.
+
 config CHIP_LIB_SHELL
 	bool "Matter shell commands"
 	default n