[802.11] Add support for WEP-protected networks

WEP is a highly flawed cryptosystem, barely better than no encryption at all,
but many people still use it. It does have the advantage of being very simple
and small in code size.

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

src/config/config_net80211.c

@@ -31,3 +31,10 @@ REQUIRE_OBJECT ( iwmgmt_cmd );
 REQUIRE_OBJECT ( wireless_errors );
 #endif
 
+/*
+ * Drag in 802.11 cryptosystems and handshaking protocols
+ *
+ */
+#ifdef CRYPTO_80211_WEP
+REQUIRE_OBJECT ( wep );
+#endif

src/config/general.h

@@ -64,6 +64,12 @@ FILE_LICENCE ( GPL2_OR_LATER );
 //#undef	SANBOOT_PROTO_AOE	/* AoE protocol */
 //#undef	SANBOOT_PROTO_IB_SRP	/* Infiniband SCSI RDMA protocol */
 
+/*
+ * 802.11 cryptosystems and handshaking protocols
+ *
+ */
+#define	CRYPTO_80211_WEP	/* WEP encryption (deprecated and insecure!) */
+
 /*
  * Name resolution modules
  *