modules: hostap: Updated reg domain details

Added kconfig for regulatory domain in hostapd. Default is set to
00 as World Wide mode.
Also added 3rd octet kconfig to set regulatory environment and set
it to 32 for all supported environments.

(cherry picked from commit 5321b1b)

Original-Signed-off-by: Abhinav Kulkarni <[email protected]>
GitOrigin-RevId: 5321b1b
Cr-Build-Id: 8711682253588645601
Cr-Build-Url: https://cr-buildbucket.appspot.com/build/8711682253588645601
Copybot-Job-Name: zephyr-main-copybot-downstream
Change-Id: I8a317a331e413ff4f23a2f122cb156db68430add
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/zephyr/+/6655858
Tested-by: Yuval Peress <[email protected]>
Tested-by: Keith Short <[email protected]>
Commit-Queue: Keith Short <[email protected]>
Reviewed-by: Yuval Peress <[email protected]>
Reviewed-by: Keith Short <[email protected]>
Tested-by: ChromeOS Copybot <[email protected]>

Author: Abhinav Kulkarni

modules/hostap/Kconfig

@@ -596,4 +596,25 @@ config WIFI_NM_WPA_CTRL_RESP_TIMEOUT_S
 	  Timeout for the control interface commands to get a response from the
 	  supplicant.
 
+config WIFI_NM_HOSTAPD_REGULATORY_REGION
+	string "Select Wi-Fi Regulatory Domain"
+	default "00"
+	depends on WIFI_NM_HOSTAPD_AP
+	help
+	  Region/Country code (ISO/IEC 3166-1).Used to set regulatory domain.
+	  Set as needed to indicate country in which device is operating.
+	  This can limit available channels and transmit power.
+	  These two octets are used as the first two octets of the Country String
+	  (dot11CountryString). "00" stands for World Wide mode.
+
+config WIFI_NM_HOSTAPD_REGULATORY_ENV
+	int "Select Wi-Fi Regulatory Environment"
+	default 32
+	depends on WIFI_NM_HOSTAPD_AP
+	help
+	  The third octet of the Country String (dot11CountryString)
+	  This parameter is used to set the third octet of the country string.
+	  All supported environments of current region can be used with
+	  default value of 0x20 or 32.
+
 endif # WIFI_NM_WPA_SUPPLICANT

modules/hostap/src/hapd_main.c

@@ -351,7 +351,10 @@ struct hostapd_config *hostapd_config_read2(const char *fname)
 	bss->logger_stdout_level = HOSTAPD_LEVEL_INFO;
 	bss->logger_stdout       = 0xffff;
 	bss->nas_identifier      = os_strdup("ap.example.com");
-	os_memcpy(conf->country, "US ", 3);
+	/* Set regulatory domain */
+	os_memcpy(conf->country, CONFIG_WIFI_NM_HOSTAPD_REGULATORY_REGION, 2);
+	/* Set regulatory environment */
+	conf->country[2]     = CONFIG_WIFI_NM_HOSTAPD_REGULATORY_ENV;
 	conf->hw_mode        = HOSTAPD_MODE_IEEE80211G;
 	bss->wps_state       = WPS_STATE_CONFIGURED;
 	bss->eap_server      = 1;