busybox/busybox-buildfix.patch

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--- networking/libiproute/iptunnel.c
+++ networking/libiproute/iptunnel.c
@@ -21,7 +21,45 @@
#ifndef __constant_htons
#define __constant_htons htons
#endif
-#include <linux/if_tunnel.h>
+/* From linux/if_tunnel.h. #including it proved troublesome
+ * (redefiniton errors due to name collisions in linux/ and net[inet]/) */
+#define SIOCGETTUNNEL (SIOCDEVPRIVATE + 0)
+#define SIOCADDTUNNEL (SIOCDEVPRIVATE + 1)
+#define SIOCDELTUNNEL (SIOCDEVPRIVATE + 2)
+#define SIOCCHGTUNNEL (SIOCDEVPRIVATE + 3)
+//#define SIOCGETPRL (SIOCDEVPRIVATE + 4)
+//#define SIOCADDPRL (SIOCDEVPRIVATE + 5)
+//#define SIOCDELPRL (SIOCDEVPRIVATE + 6)
+//#define SIOCCHGPRL (SIOCDEVPRIVATE + 7)
+#define GRE_CSUM __constant_htons(0x8000)
+//#define GRE_ROUTING __constant_htons(0x4000)
+#define GRE_KEY __constant_htons(0x2000)
+#define GRE_SEQ __constant_htons(0x1000)
+//#define GRE_STRICT __constant_htons(0x0800)
+//#define GRE_REC __constant_htons(0x0700)
+//#define GRE_FLAGS __constant_htons(0x00F8)
+//#define GRE_VERSION __constant_htons(0x0007)
+struct ip_tunnel_parm {
+ char name[IFNAMSIZ];
+ int link;
+ uint16_t i_flags;
+ uint16_t o_flags;
+ uint32_t i_key;
+ uint32_t o_key;
+ struct iphdr iph;
+};
+/* SIT-mode i_flags */
+//#define SIT_ISATAP 0x0001
+//struct ip_tunnel_prl {
+// uint32_t addr;
+// uint16_t flags;
+// uint16_t __reserved;
+// uint32_t datalen;
+// uint32_t __reserved2;
+// /* data follows */
+//};
+///* PRL flags */
+//#define PRL_DEFAULT 0x0001
#include "ip_common.h" /* #include "libbb.h" is inside */
#include "rt_names.h"