[nrf fromlist] modules: hostap: Define dedicated heap for supplicant

Create dedicated heap for supplicant operations and define
the heap size.

Upstream PR #: 93085

Signed-off-by: Ravi Dondaputi <[email protected]>

Author: rado17

modules/hostap/Kconfig

@@ -24,13 +24,33 @@ config WIFI_NM_WPA_SUPPLICANT
 
 if WIFI_NM_WPA_SUPPLICANT
 
+config WIFI_NM_WPA_SUPPLICANT_GLOBAL_HEAP
+	bool "Use Zephyr kernel heap for Wi-Fi driver"
+	default y
+	help
+	  Enable this option to use K_HEAP for memory allocations in supplicant.
+
+if !WIFI_NM_WPA_SUPPLICANT_GLOBAL_HEAP
+config WIFI_NM_WPA_SUPPLICANT_HEAP
+	int "Dedicated memory pool for wpa_supplicant"
+	def_int 66560 if WIFI_NM_HOSTAPD_AP
+	def_int 55000 if WIFI_NM_WPA_SUPPLICANT_CRYPTO_ENTERPRISE && WIFI_CREDENTIALS
+	def_int 48000 if WIFI_NM_WPA_SUPPLICANT_CRYPTO_ENTERPRISE
+	def_int 41808 if WIFI_NM_WPA_SUPPLICANT_AP
+	# 30K is mandatory, but might need more for long duration use cases
+	def_int 30000
+endif # !WIFI_NM_WPA_SUPPLICANT_GLOBAL_HEAP
+
+if WIFI_NM_WPA_SUPPLICANT_GLOBAL_HEAP
 config HEAP_MEM_POOL_ADD_SIZE_HOSTAP
 	def_int 66560 if WIFI_NM_HOSTAPD_AP
 	def_int 55000 if WIFI_NM_WPA_SUPPLICANT_CRYPTO_ENTERPRISE && WIFI_CREDENTIALS
 	def_int 48000 if WIFI_NM_WPA_SUPPLICANT_CRYPTO_ENTERPRISE
 	def_int 41808 if WIFI_NM_WPA_SUPPLICANT_AP
 	# 30K is mandatory, but might need more for long duration use cases
 	def_int 30000
+endif # WIFI_NM_WPA_SUPPLICANT_GLOBAL_HEAP
+
 
 config WIFI_NM_WPA_SUPPLICANT_THREAD_STACK_SIZE
 	int "Stack size for wpa_supplicant thread"