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Diffstat (limited to 'include/uapi/linux/icmp.h')
-rw-r--r--include/uapi/linux/icmp.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/uapi/linux/icmp.h b/include/uapi/linux/icmp.h
index 5589eeb791ca..fb169a50895e 100644
--- a/include/uapi/linux/icmp.h
+++ b/include/uapi/linux/icmp.h
@@ -19,6 +19,7 @@
#define _UAPI_LINUX_ICMP_H
#include <linux/types.h>
+#include <asm/byteorder.h>
#define ICMP_ECHOREPLY 0 /* Echo Reply */
#define ICMP_DEST_UNREACH 3 /* Destination Unreachable */
@@ -95,5 +96,26 @@ struct icmp_filter {
__u32 data;
};
+/* RFC 4884 extension struct: one per message */
+struct icmp_ext_hdr {
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+ __u8 reserved1:4,
+ version:4;
+#elif defined(__BIG_ENDIAN_BITFIELD)
+ __u8 version:4,
+ reserved1:4;
+#else
+#error "Please fix <asm/byteorder.h>"
+#endif
+ __u8 reserved2;
+ __sum16 checksum;
+};
+
+/* RFC 4884 extension object header: one for each object */
+struct icmp_extobj_hdr {
+ __be16 length;
+ __u8 class_num;
+ __u8 class_type;
+};
#endif /* _UAPI_LINUX_ICMP_H */