yang: add feature flags for wifi and gps in infix-hardware

src/confd/configure.ac

@@ -46,6 +46,10 @@ AC_ARG_ENABLE(wifi,
         AS_HELP_STRING([--enable-wifi], [Enable support for Wi-Fi]),,[
 	enable_wifi=no])
 
+AC_ARG_ENABLE(gps,
+        AS_HELP_STRING([--enable-gps], [Enable support for GPS receivers]),,[
+	enable_gps=no])
+
 AC_ARG_WITH(login-shell,
         AS_HELP_STRING([--with-login-shell=shell], [Login shell for new users, default: /bin/false]),
 	[login_shell=$withval], [login_shell=yes])
@@ -60,6 +64,9 @@ AS_IF([test "x$enable_containers" = "xyes"], [
 AS_IF([test "x$enable_wifi" = "xyes"], [
         AC_DEFINE(HAVE_WIFI, 1, [Built with Wi-Fi support])])
 
+AS_IF([test "x$enable_gps" = "xyes"], [
+        AC_DEFINE(HAVE_GPS, 1, [Built with GPS receiver support])])
+
 AS_IF([test "x$with_login_shell" != "xno"], [
 	AS_IF([test "x$login_shell" = "xyes"], [login_shell=/bin/false])
 	AC_DEFINE_UNQUOTED(LOGIN_SHELL, "$login_shell", [Default: /bin/false])],[
@@ -131,6 +138,7 @@ cat <<EOF
 Optional features:
   Container support ....: $enable_containers
   Wi-Fi support ........: $enable_wifi
+  GPS support ..........: $enable_gps
   Login shell ..........: $login_shell
   Default crypt algo ...: $crypt
 

src/confd/yang/confd/infix-hardware.yang

@@ -45,6 +45,13 @@ module infix-hardware {
     description "Initial";
     reference "internal";
   }
+  feature wifi {
+    description "WiFi support is an optional build-time feature in Infix.";
+  }
+
+  feature gps {
+    description "GPS support is an optional build-time feature in Infix.";
+  }
 
   typedef country-code {
     type string {
@@ -104,11 +111,13 @@ module infix-hardware {
     description "This identity is used to a VPD memory on the device.";
   }
   identity wifi {
+    if-feature wifi;
     base iahw:hardware-class;
     description "This identity is used to describe a WiFi radio/PHY";
   }
 
   identity gps {
+    if-feature gps;
     base iahw:hardware-class;
     description "GPS/GNSS receiver for time synchronization";
   }
@@ -211,6 +220,7 @@ module infix-hardware {
      */
 
     container wifi-radio {
+      if-feature wifi;
       when "derived-from-or-self(../iehw:class, 'ih:wifi')";
       presence "WiFi radio configuration";
       description
@@ -534,6 +544,7 @@ module infix-hardware {
      */
 
     container gps-receiver {
+      if-feature gps;
       when "derived-from-or-self(../iehw:class, 'ih:gps')";
       presence "GPS receiver configuration";
       description

src/confd/yang/gps.inc

@@ -0,0 +1,3 @@
+MODULES=(
+	"infix-hardware -e gps"
+)

src/confd/yang/wifi.inc

@@ -1,4 +1,5 @@
 MODULES=(
 	"infix-interfaces -e wifi"
+	"infix-hardware -e wifi"
 	"infix-if-type -e wifi"
 )