posix: remove os timing call

remove gettimeofday call that requires POSIX_API which is not
yet properly configured on ESP32 porting

Signed-off-by: Sylvio Alves <[email protected]>

Author: sylvioalves

zephyr/CMakeLists.txt

@@ -81,7 +81,7 @@ if(CONFIG_SOC_ESP32)
   if (CONFIG_WIFI_ESP32)
 
     #TODO: Additional WPA supplicant feature like Enterprise mode etc. are yet to be supported.
-    set(WPA_SUPPLICANT_SRCS "../components/wpa_supplicant/port/os_xtensa.c"
+    set(WPA_SUPPLICANT_SRCS "adapter/src/wpa_supplicant/port/os_xtensa.c"
                         "../components/wpa_supplicant/src/ap/ap_config.c"
                         "../components/wpa_supplicant/src/ap/ieee802_1x.c"
                         "../components/wpa_supplicant/src/ap/wpa_auth.c"

zephyr/adapter/src/wpa_supplicant/port/os_xtensa.c

@@ -0,0 +1,53 @@
+/*
+ * wpa_supplicant/hostapd / Internal implementation of OS specific functions
+ * Copyright (c) 2005-2006, Jouni Malinen <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ *
+ * This file is an example of operating system specific  wrapper functions.
+ * This version implements many of the functions internally, so it can be used
+ * to fill in missing functions from the target system C libraries.
+ *
+ * Some of the functions are using standard C library calls in order to keep
+ * this file in working condition to allow the functions to be tested on a
+ * Linux target. Please note that OS_NO_C_LIB_DEFINES needs to be defined for
+ * this file to work correctly. Note that these implementations are only
+ * examples and are not optimized for speed.
+ */
+
+#include "os.h"
+#include <stdlib.h>
+#include "esp_system.h"
+#include "utils/common.h"
+#include <random/rand32.h>
+
+int os_get_time(struct os_time *t)
+{
+	if (t == NULL) {
+		return -1;
+	}
+
+	int64_t now = k_uptime_ticks();
+	t->sec = now / CONFIG_SYS_CLOCK_TICKS_PER_SEC;
+	t->usec = k_ticks_to_us_floor64(now);
+
+	return 0;
+}
+
+unsigned long os_random(void)
+{
+	return sys_rand32_get();
+}
+
+int os_get_random(unsigned char *buf, size_t len)
+{
+	sys_rand_get((void *)buf, len);
+	return 0;
+}