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-rw-r--r--include/uapi/linux/ioam6_iptunnel.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/include/uapi/linux/ioam6_iptunnel.h b/include/uapi/linux/ioam6_iptunnel.h
new file mode 100644
index 0000000..750357b
--- /dev/null
+++ b/include/uapi/linux/ioam6_iptunnel.h
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/*
+ * IPv6 IOAM Lightweight Tunnel API
+ *
+ * Author:
+ * Justin Iurman <justin.iurman@uliege.be>
+ */
+
+#ifndef _LINUX_IOAM6_IPTUNNEL_H
+#define _LINUX_IOAM6_IPTUNNEL_H
+
+/* Encap modes:
+ * - inline: direct insertion
+ * - encap: ip6ip6 encapsulation
+ * - auto: __inline__ for local packets, encap for in-transit packets
+ */
+enum {
+ __IOAM6_IPTUNNEL_MODE_MIN,
+
+ IOAM6_IPTUNNEL_MODE_INLINE,
+ IOAM6_IPTUNNEL_MODE_ENCAP,
+ IOAM6_IPTUNNEL_MODE_AUTO,
+
+ __IOAM6_IPTUNNEL_MODE_MAX,
+};
+
+#define IOAM6_IPTUNNEL_MODE_MIN (__IOAM6_IPTUNNEL_MODE_MIN + 1)
+#define IOAM6_IPTUNNEL_MODE_MAX (__IOAM6_IPTUNNEL_MODE_MAX - 1)
+
+enum {
+ IOAM6_IPTUNNEL_UNSPEC,
+
+ /* Encap mode */
+ IOAM6_IPTUNNEL_MODE, /* u8 */
+
+ /* Tunnel dst address.
+ * For encap,auto modes.
+ */
+ IOAM6_IPTUNNEL_DST, /* struct in6_addr */
+
+ /* IOAM Trace Header */
+ IOAM6_IPTUNNEL_TRACE, /* struct ioam6_trace_hdr */
+
+ /* Insertion frequency:
+ * "k over n" packets (0 < k <= n)
+ * [0.0001% ... 100%]
+ */
+#define IOAM6_IPTUNNEL_FREQ_MIN 1
+#define IOAM6_IPTUNNEL_FREQ_MAX 1000000
+ IOAM6_IPTUNNEL_FREQ_K, /* u32 */
+ IOAM6_IPTUNNEL_FREQ_N, /* u32 */
+
+ __IOAM6_IPTUNNEL_MAX,
+};
+
+#define IOAM6_IPTUNNEL_MAX (__IOAM6_IPTUNNEL_MAX - 1)
+
+#endif /* _LINUX_IOAM6_IPTUNNEL_H */