[nrf fromtree] net: lib: wifi_credentials: Use getopt API for adding network options

Use getopt API to process arguments for `cred add` command.

Signed-off-by: Triveni Danda <[email protected]>
(cherry picked from commit 7b6f257)

Author: D-Triveni

include/zephyr/net/wifi_credentials.h

@@ -33,10 +33,16 @@ extern "C" {
 #define WIFI_CREDENTIALS_FLAG_2_4GHz       BIT(2)
 /* this entry can use the 5 GHz band */
 #define WIFI_CREDENTIALS_FLAG_5GHz         BIT(3)
+/* this entry can use the 6 GHz band */
+#define WIFI_CREDENTIALS_FLAG_6GHz         BIT(4)
 /* this entry requires management frame protection */
-#define WIFI_CREDENTIALS_FLAG_MFP_REQUIRED BIT(4)
+#define WIFI_CREDENTIALS_FLAG_MFP_REQUIRED BIT(5)
 /* this entry disables management frame protection */
-#define WIFI_CREDENTIALS_FLAG_MFP_DISABLED BIT(5)
+#define WIFI_CREDENTIALS_FLAG_MFP_DISABLED BIT(6)
+/* this entry has anonymous identity configured */
+#define WIFI_CREDENTIALS_FLAG_ANONYMOUS_IDENTITY  BIT(7)
+/* this entry has key password configured */
+#define WIFI_CREDENTIALS_FLAG_KEY_PASSWORD  BIT(8)
 
 /* Maximum length of the password */
 #define WIFI_CREDENTIALS_MAX_PASSWORD_LEN                                                          \
@@ -71,6 +77,18 @@ struct wifi_credentials_header {
 
 	/** Channel on which the network operates */
 	uint8_t channel;
+
+	/** Anonymous identifier (Limited to 16 bytes due to settings subsystem overflow) */
+	char anon_id[16];
+
+	/** Length of the Anonymous identifier */
+	uint8_t aid_length;
+
+	/** Password/PSK (Limited to 16 bytes due to settings subsystem overflow) */
+	char key_passwd[16];
+
+	/** Length of the Password */
+	uint8_t key_passwd_length;
 };
 
 /**

subsys/net/lib/wifi_credentials/Kconfig

@@ -57,6 +57,8 @@ config WIFI_CREDENTIALS_SHELL
 	bool "Shell commands to manage Wi-Fi credentials"
 	default y
 	depends on SHELL
+	select SHELL_GETOPT
+	select GETOPT_LONG
 	depends on !WIFI_CREDENTIALS_BACKEND_NONE
 
 config WIFI_CREDENTIALS_CONNECT_STORED