aboutsummaryrefslogtreecommitdiff
path: root/linux-headers/include/linux/rpl.h
diff options
context:
space:
mode:
Diffstat (limited to 'linux-headers/include/linux/rpl.h')
-rw-r--r--linux-headers/include/linux/rpl.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/linux-headers/include/linux/rpl.h b/linux-headers/include/linux/rpl.h
new file mode 100644
index 0000000..c24b64c
--- /dev/null
+++ b/linux-headers/include/linux/rpl.h
@@ -0,0 +1,48 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/*
+ * IPv6 RPL-SR implementation
+ *
+ * Author:
+ * (C) 2020 Alexander Aring <alex.aring@gmail.com>
+ */
+
+#ifndef _LINUX_RPL_H
+#define _LINUX_RPL_H
+
+#include <asm/byteorder.h>
+#include <linux/types.h>
+#include <linux/in6.h>
+
+/*
+ * RPL SR Header
+ */
+struct ipv6_rpl_sr_hdr {
+ __u8 nexthdr;
+ __u8 hdrlen;
+ __u8 type;
+ __u8 segments_left;
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+ __u32 cmpre:4,
+ cmpri:4,
+ reserved:4,
+ pad:4,
+ reserved1:16;
+#elif defined(__BIG_ENDIAN_BITFIELD)
+ __u32 reserved:20,
+ pad:4,
+ cmpri:4,
+ cmpre:4;
+#else
+#error "Please fix <asm/byteorder.h>"
+#endif
+
+ union {
+ struct in6_addr addr[0];
+ __u8 data[0];
+ } segments;
+} __attribute__((packed));
+
+#define rpl_segaddr segments.addr
+#define rpl_segdata segments.data
+
+#endif