[nrf fromtree] net: l2: wifi: Change arrays to functions

The header file contains mixture of functions and static arrays.
Replacing static arrays to functions.
Initialize functions in C file.

Signed-off-by: Kapil Bhatt <[email protected]>
(cherry picked from commit 4b9f5cc)

Author: kapbh

include/zephyr/net/wifi.h

@@ -52,30 +52,7 @@ enum wifi_security_type {
 };
 
 /** Helper function to get user-friendly security type name. */
-static inline const char *wifi_security_txt(enum wifi_security_type security)
-{
-	switch (security) {
-	case WIFI_SECURITY_TYPE_NONE:
-		return "OPEN";
-	case WIFI_SECURITY_TYPE_WEP:
-		return "WEP";
-	case WIFI_SECURITY_TYPE_WPA_PSK:
-		return "WPA-PSK";
-	case WIFI_SECURITY_TYPE_PSK:
-		return "WPA2-PSK";
-	case WIFI_SECURITY_TYPE_PSK_SHA256:
-		return "WPA2-PSK-SHA256";
-	case WIFI_SECURITY_TYPE_SAE:
-		return "WPA3-SAE";
-	case WIFI_SECURITY_TYPE_WAPI:
-		return "WAPI";
-	case WIFI_SECURITY_TYPE_EAP:
-		return "EAP";
-	case WIFI_SECURITY_TYPE_UNKNOWN:
-	default:
-		return "UNKNOWN";
-	}
-}
+const char * const wifi_security_txt(enum wifi_security_type security);
 
 /** IEEE 802.11w - Management frame protection. */
 enum wifi_mfp_options {
@@ -92,20 +69,7 @@ enum wifi_mfp_options {
 };
 
 /** Helper function to get user-friendly MFP name.*/
-static inline const char *wifi_mfp_txt(enum wifi_mfp_options mfp)
-{
-	switch (mfp) {
-	case WIFI_MFP_DISABLE:
-		return "Disable";
-	case WIFI_MFP_OPTIONAL:
-		return "Optional";
-	case WIFI_MFP_REQUIRED:
-		return "Required";
-	case WIFI_MFP_UNKNOWN:
-	default:
-		return "UNKNOWN";
-	}
-}
+const char * const wifi_mfp_txt(enum wifi_mfp_options mfp);
 
 /**
  * @brief IEEE 802.11 operational frequency bands (not exhaustive).
@@ -127,20 +91,7 @@ enum wifi_frequency_bands {
 };
 
 /** Helper function to get user-friendly frequency band name. */
-static inline const char *wifi_band_txt(enum wifi_frequency_bands band)
-{
-	switch (band) {
-	case WIFI_FREQ_BAND_2_4_GHZ:
-		return "2.4GHz";
-	case WIFI_FREQ_BAND_5_GHZ:
-		return "5GHz";
-	case WIFI_FREQ_BAND_6_GHZ:
-		return "6GHz";
-	case WIFI_FREQ_BAND_UNKNOWN:
-	default:
-		return "UNKNOWN";
-	}
-}
+const char * const wifi_band_txt(enum wifi_frequency_bands band);
 
 #define WIFI_SSID_MAX_LEN 32
 #define WIFI_PSK_MAX_LEN 64
@@ -182,34 +133,7 @@ enum wifi_iface_state {
 };
 
 /** Helper function to get user-friendly interface state name. */
-static inline const char *wifi_state_txt(enum wifi_iface_state state)
-{
-	switch (state) {
-	case WIFI_STATE_DISCONNECTED:
-		return "DISCONNECTED";
-	case WIFI_STATE_INACTIVE:
-		return "INACTIVE";
-	case WIFI_STATE_INTERFACE_DISABLED:
-		return "INTERFACE_DISABLED";
-	case WIFI_STATE_SCANNING:
-		return "SCANNING";
-	case WIFI_STATE_AUTHENTICATING:
-		return "AUTHENTICATING";
-	case WIFI_STATE_ASSOCIATING:
-		return "ASSOCIATING";
-	case WIFI_STATE_ASSOCIATED:
-		return "ASSOCIATED";
-	case WIFI_STATE_4WAY_HANDSHAKE:
-		return "4WAY_HANDSHAKE";
-	case WIFI_STATE_GROUP_HANDSHAKE:
-		return "GROUP_HANDSHAKE";
-	case WIFI_STATE_COMPLETED:
-		return "COMPLETED";
-	case WIFI_STATE_UNKNOWN:
-	default:
-		return "UNKNOWN";
-	}
-}
+const char * const wifi_state_txt(enum wifi_iface_state state);
 
 /** Wi-Fi interface modes.
  *
@@ -235,26 +159,7 @@ enum wifi_iface_mode {
 };
 
 /** Helper function to get user-friendly interface mode name. */
-static inline const char *wifi_mode_txt(enum wifi_iface_mode mode)
-{
-	switch (mode) {
-	case WIFI_MODE_INFRA:
-		return "STATION";
-	case WIFI_MODE_IBSS:
-		return "ADHOC";
-	case WIFI_MODE_AP:
-		return "ACCESS POINT";
-	case WIFI_MODE_P2P_GO:
-		return "P2P GROUP OWNER";
-	case WIFI_MODE_P2P_GROUP_FORMATION:
-		return "P2P GROUP FORMATION";
-	case WIFI_MODE_MESH:
-		return "MESH";
-	case WIFI_MODE_UNKNOWN:
-	default:
-		return "UNKNOWN";
-	}
-}
+const char * const wifi_mode_txt(enum wifi_iface_mode mode);
 
 /** Wi-Fi link operating modes
  *
@@ -286,32 +191,7 @@ enum wifi_link_mode {
 };
 
 /** Helper function to get user-friendly link mode name. */
-static inline const char *wifi_link_mode_txt(enum wifi_link_mode link_mode)
-{
-	switch (link_mode) {
-	case WIFI_0:
-		return "WIFI 0 (802.11)";
-	case WIFI_1:
-		return "WIFI 1 (802.11b)";
-	case WIFI_2:
-		return "WIFI 2 (802.11a)";
-	case WIFI_3:
-		return "WIFI 3 (802.11g)";
-	case WIFI_4:
-		return "WIFI 4 (802.11n/HT)";
-	case WIFI_5:
-		return "WIFI 5 (802.11ac/VHT)";
-	case WIFI_6:
-		return "WIFI 6 (802.11ax/HE)";
-	case WIFI_6E:
-		return "WIFI 6E (802.11ax 6GHz/HE)";
-	case WIFI_7:
-		return "WIFI 7 (802.11be/EHT)";
-	case WIFI_LINK_MODE_UNKNOWN:
-	default:
-		return "UNKNOWN";
-	}
-}
+const char * const wifi_link_mode_txt(enum wifi_link_mode link_mode);
 
 /** Wi-Fi scanning types. */
 enum wifi_scan_type {
@@ -329,12 +209,8 @@ enum wifi_ps {
 	WIFI_PS_ENABLED,
 };
 
-/** @cond INTERNAL_HIDDEN */
-static const char * const wifi_ps2str[] = {
-	[WIFI_PS_DISABLED] = "Power save disabled",
-	[WIFI_PS_ENABLED] = "Power save enabled",
-};
-/** @endcond */
+/** Helper function to get user-friendly ps name. */
+const char * const wifi_ps_txt(enum wifi_ps ps_name);
 
 /** Wi-Fi power save modes. */
 enum wifi_ps_mode {
@@ -347,12 +223,8 @@ enum wifi_ps_mode {
 	WIFI_PS_MODE_WMM,
 };
 
-/** @cond INTERNAL_HIDDEN */
-static const char * const wifi_ps_mode2str[] = {
-	[WIFI_PS_MODE_LEGACY] = "Legacy power save",
-	[WIFI_PS_MODE_WMM] = "WMM power save",
-};
-/** @endcond */
+/** Helper function to get user-friendly ps mode name. */
+const char * const wifi_ps_mode_txt(enum wifi_ps_mode ps_mode);
 
 /* Interface index Min and Max values */
 #define WIFI_INTERFACE_INDEX_MIN 1
@@ -394,12 +266,8 @@ enum wifi_twt_operation {
 	WIFI_TWT_TEARDOWN,
 };
 
-/** @cond INTERNAL_HIDDEN */
-static const char * const wifi_twt_operation2str[] = {
-	[WIFI_TWT_SETUP] = "TWT setup",
-	[WIFI_TWT_TEARDOWN] = "TWT teardown",
-};
-/** @endcond */
+/** Helper function to get user-friendly twt operation name. */
+const char * const wifi_twt_operation_txt(enum wifi_twt_operation twt_operation);
 
 /** Wi-Fi Target Wake Time (TWT) negotiation types. */
 enum wifi_twt_negotiation_type {
@@ -411,13 +279,8 @@ enum wifi_twt_negotiation_type {
 	WIFI_TWT_WAKE_TBTT
 };
 
-/** @cond INTERNAL_HIDDEN */
-static const char * const wifi_twt_negotiation_type2str[] = {
-	[WIFI_TWT_INDIVIDUAL] = "TWT individual negotiation",
-	[WIFI_TWT_BROADCAST] = "TWT broadcast negotiation",
-	[WIFI_TWT_WAKE_TBTT] = "TWT wake TBTT negotiation",
-};
-/** @endcond */
+/** Helper function to get user-friendly twt negotiation type name. */
+const char * const wifi_twt_negotiation_type_txt(enum wifi_twt_negotiation_type twt_negotiation);
 
 /** Wi-Fi Target Wake Time (TWT) setup commands. */
 enum wifi_twt_setup_cmd {
@@ -439,18 +302,8 @@ enum wifi_twt_setup_cmd {
 	WIFI_TWT_SETUP_CMD_REJECT,
 };
 
-/** @cond INTERNAL_HIDDEN */
-static const char * const wifi_twt_setup_cmd2str[] = {
-	[WIFI_TWT_SETUP_CMD_REQUEST] = "TWT request",
-	[WIFI_TWT_SETUP_CMD_SUGGEST] = "TWT suggest",
-	[WIFI_TWT_SETUP_CMD_DEMAND] = "TWT demand",
-	[WIFI_TWT_SETUP_CMD_GROUPING] = "TWT grouping",
-	[WIFI_TWT_SETUP_CMD_ACCEPT] = "TWT accept",
-	[WIFI_TWT_SETUP_CMD_ALTERNATE] = "TWT alternate",
-	[WIFI_TWT_SETUP_CMD_DICTATE] = "TWT dictate",
-	[WIFI_TWT_SETUP_CMD_REJECT] = "TWT reject",
-};
-/** @endcond */
+/** Helper function to get user-friendly twt setup cmd name. */
+const char * const wifi_twt_setup_cmd_txt(enum wifi_twt_setup_cmd twt_setup);
 
 /** Wi-Fi Target Wake Time (TWT) negotiation status. */
 enum wifi_twt_setup_resp_status {
@@ -541,12 +394,8 @@ enum wifi_ps_wakeup_mode {
 	WIFI_PS_WAKEUP_MODE_LISTEN_INTERVAL,
 };
 
-/** @cond INTERNAL_HIDDEN */
-static const char * const wifi_ps_wakeup_mode2str[] = {
-	[WIFI_PS_WAKEUP_MODE_DTIM] = "PS wakeup mode DTIM",
-	[WIFI_PS_WAKEUP_MODE_LISTEN_INTERVAL] = "PS wakeup mode listen interval",
-};
-/** @endcond */
+/** Helper function to get user-friendly ps wakeup mode name. */
+const char * const wifi_ps_wakeup_mode_txt(enum wifi_ps_wakeup_mode ps_wakeup_mode);
 
 /** Wi-Fi power save error codes. */
 enum wifi_config_ps_param_fail_reason {