drivers: wifi: siwx91x: Adding SSL cloud memory

Added support to allocate additional memory for
SSL/TLS connections, typically required for
connections to cloud servers

Signed-off-by: Rahul Gurram <rahul.gurram@silabs.com>

Author: ragurram26

drivers/wifi/siwx91x/Kconfig.siwx91x

@@ -180,6 +180,14 @@ config WIFI_SILABS_SIWX91X_ENABLE_SSL_16K_RECORD
 	  implementation is provided by the Network Co-Processor present on
 	  SiWx91x series.
 
+config WIFI_SILABS_SIWX91X_SSL_MEMORY_CLOUD
+	bool "Offloaded implementation for the SSL/TLS cloud connections"
+	help
+	  Enable this option to allocate additional memory for SSL/TLS
+	  connections, typically required for connections to cloud servers,
+	  to avoid handshake failure.This implementation is provided by the
+	  Network Co-Processor present on SiWx91x series.
+
 config WIFI_SILABS_SIWX91X_ENABLE_ROAMING
 	bool "WiFi roaming support"
 	default y

soc/silabs/silabs_siwx91x/siwg917/nwp.c

@@ -161,6 +161,10 @@ static void siwx91x_configure_network_stack(sl_si91x_boot_configuration_t *boot_
 	if (IS_ENABLED(CONFIG_WIFI_SILABS_SIWX91X_ENABLE_SSL_16K_RECORD)) {
 		boot_config->ext_tcp_ip_feature_bit_map |= SL_SI91X_EXT_TCP_IP_SSL_16K_RECORD;
 	}
+	if (IS_ENABLED(CONFIG_WIFI_SILABS_SIWX91X_SSL_MEMORY_CLOUD)) {
+		boot_config->ext_tcp_ip_feature_bit_map |=
+			SL_SI91X_EXT_TCP_IP_FEAT_SSL_MEMORY_CLOUD;
+	}
 	if (IS_ENABLED(CONFIG_WIFI_SILABS_SIWX91X_SSL_VERSIONS_SUPPORT)) {
 		boot_config->ext_custom_feature_bit_map |=
 			SL_SI91X_EXT_FEAT_SSL_VERSIONS_SUPPORT;