Move extern declarations for driver ops into a header file

This gets rid of number of sparse warnings and also allows the
compatibility of the declarations to be verified (number of missing
const declarations are fixed here as well).

Signed-off-by: Jouni Malinen <j@w1.fi>

src/drivers/driver.h

@@ -4865,4 +4865,46 @@ wpa_get_wowlan_triggers(const char *wowlan_triggers,
 /* NULL terminated array of linked in driver wrappers */
 extern const struct wpa_driver_ops *const wpa_drivers[];
 
+
+/* Available drivers */
+
+#ifdef CONFIG_DRIVER_WEXT
+extern const struct wpa_driver_ops wpa_driver_wext_ops; /* driver_wext.c */
+#endif /* CONFIG_DRIVER_WEXT */
+#ifdef CONFIG_DRIVER_NL80211
+/* driver_nl80211.c */
+extern const struct wpa_driver_ops wpa_driver_nl80211_ops;
+#endif /* CONFIG_DRIVER_NL80211 */
+#ifdef CONFIG_DRIVER_HOSTAP
+extern const struct wpa_driver_ops wpa_driver_hostap_ops; /* driver_hostap.c */
+#endif /* CONFIG_DRIVER_HOSTAP */
+#ifdef CONFIG_DRIVER_BSD
+extern const struct wpa_driver_ops wpa_driver_bsd_ops; /* driver_bsd.c */
+#endif /* CONFIG_DRIVER_BSD */
+#ifdef CONFIG_DRIVER_OPENBSD
+/* driver_openbsd.c */
+extern const struct wpa_driver_ops wpa_driver_openbsd_ops;
+#endif /* CONFIG_DRIVER_OPENBSD */
+#ifdef CONFIG_DRIVER_NDIS
+extern struct wpa_driver_ops wpa_driver_ndis_ops; /* driver_ndis.c */
+#endif /* CONFIG_DRIVER_NDIS */
+#ifdef CONFIG_DRIVER_WIRED
+extern const struct wpa_driver_ops wpa_driver_wired_ops; /* driver_wired.c */
+#endif /* CONFIG_DRIVER_WIRED */
+#ifdef CONFIG_DRIVER_MACSEC_QCA
+/* driver_macsec_qca.c */
+extern const struct wpa_driver_ops wpa_driver_macsec_qca_ops;
+#endif /* CONFIG_DRIVER_MACSEC_QCA */
+#ifdef CONFIG_DRIVER_ROBOSWITCH
+/* driver_roboswitch.c */
+extern const struct wpa_driver_ops wpa_driver_roboswitch_ops;
+#endif /* CONFIG_DRIVER_ROBOSWITCH */
+#ifdef CONFIG_DRIVER_ATHEROS
+/* driver_atheros.c */
+extern const struct wpa_driver_ops wpa_driver_atheros_ops;
+#endif /* CONFIG_DRIVER_ATHEROS */
+#ifdef CONFIG_DRIVER_NONE
+extern const struct wpa_driver_ops wpa_driver_none_ops; /* driver_none.c */
+#endif /* CONFIG_DRIVER_NONE */
+
 #endif /* DRIVER_H */

src/drivers/drivers.c

@@ -10,42 +10,6 @@
 #include "utils/common.h"
 #include "driver.h"
 
-#ifdef CONFIG_DRIVER_WEXT
-extern struct wpa_driver_ops wpa_driver_wext_ops; /* driver_wext.c */
-#endif /* CONFIG_DRIVER_WEXT */
-#ifdef CONFIG_DRIVER_NL80211
-extern struct wpa_driver_ops wpa_driver_nl80211_ops; /* driver_nl80211.c */
-#endif /* CONFIG_DRIVER_NL80211 */
-#ifdef CONFIG_DRIVER_HOSTAP
-extern struct wpa_driver_ops wpa_driver_hostap_ops; /* driver_hostap.c */
-#endif /* CONFIG_DRIVER_HOSTAP */
-#ifdef CONFIG_DRIVER_BSD
-extern struct wpa_driver_ops wpa_driver_bsd_ops; /* driver_bsd.c */
-#endif /* CONFIG_DRIVER_BSD */
-#ifdef CONFIG_DRIVER_OPENBSD
-extern struct wpa_driver_ops wpa_driver_openbsd_ops; /* driver_openbsd.c */
-#endif /* CONFIG_DRIVER_OPENBSD */
-#ifdef CONFIG_DRIVER_NDIS
-extern struct wpa_driver_ops wpa_driver_ndis_ops; /* driver_ndis.c */
-#endif /* CONFIG_DRIVER_NDIS */
-#ifdef CONFIG_DRIVER_WIRED
-extern struct wpa_driver_ops wpa_driver_wired_ops; /* driver_wired.c */
-#endif /* CONFIG_DRIVER_WIRED */
-#ifdef CONFIG_DRIVER_MACSEC_QCA
- /* driver_macsec_qca.c */
-extern struct wpa_driver_ops wpa_driver_macsec_qca_ops;
-#endif /* CONFIG_DRIVER_MACSEC_QCA */
-#ifdef CONFIG_DRIVER_ROBOSWITCH
-/* driver_roboswitch.c */
-extern struct wpa_driver_ops wpa_driver_roboswitch_ops;
-#endif /* CONFIG_DRIVER_ROBOSWITCH */
-#ifdef CONFIG_DRIVER_ATHEROS
-extern struct wpa_driver_ops wpa_driver_atheros_ops; /* driver_atheros.c */
-#endif /* CONFIG_DRIVER_ATHEROS */
-#ifdef CONFIG_DRIVER_NONE
-extern struct wpa_driver_ops wpa_driver_none_ops; /* driver_none.c */
-#endif /* CONFIG_DRIVER_NONE */
-
 
 const struct wpa_driver_ops *const wpa_drivers[] =
 {