[iwmgmt] Add wireless management commands and text for common errors

Add commands `iwstat' (to list 802.11-specific status information for
802.11 devices) and `iwlist' (to scan for available networks and print
a list along with security information).

Signed-off-by: Marty Connor <mdc@etherboot.org>

src/config/config.c

@@ -204,6 +204,7 @@ REQUIRE_OBJECT ( config_cmd );
 #ifdef IFMGMT_CMD
 REQUIRE_OBJECT ( ifmgmt_cmd );
 #endif
+/* IWMGMT_CMD is brought in by net80211.c if requested */
 #ifdef ROUTE_CMD
 REQUIRE_OBJECT ( route_cmd );
 #endif

src/config/config_net80211.c

@@ -0,0 +1,33 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2, or (at
+ * your option) any later version.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <config/general.h>
+
+/** @file
+ *
+ * 802.11 configuration options
+ *
+ */
+
+/*
+ * Drag in 802.11-specific commands
+ *
+ */
+#ifdef IWMGMT_CMD
+REQUIRE_OBJECT ( iwmgmt_cmd );
+#endif
+
+/*
+ * Drag in 802.11 error message tables
+ *
+ */
+#ifdef ERRMSG_80211
+REQUIRE_OBJECT ( wireless_errors );
+#endif
+

src/config/general.h

@@ -99,6 +99,7 @@ FILE_LICENCE ( GPL2_OR_LATER );
 #define	NVO_CMD			/* Non-volatile option storage commands */
 #define	CONFIG_CMD		/* Option configuration console */
 #define	IFMGMT_CMD		/* Interface management commands */
+#define	IWMGMT_CMD		/* Wireless interface management commands */
 #define	ROUTE_CMD		/* Routing table management commands */
 #define IMAGE_CMD		/* Image management commands */
 #define DHCP_CMD		/* DHCP management commands */
@@ -108,6 +109,12 @@ FILE_LICENCE ( GPL2_OR_LATER );
 #undef	DIGEST_CMD		/* Image crypto digest commands */
 //#undef	PXE_CMD			/* PXE commands */
 
+/*
+ * Error message tables to include
+ *
+ */
+#undef	ERRMSG_80211		/* All 802.11 error descriptions (~3.3kb) */
+
 /*
  * Obscure configuration options
  *