From be847673cfffce8bb6e9ed6ae186081280c58831 Mon Sep 17 00:00:00 2001
From: Justin Iurman <justin.iurman@uliege.be>
Date: Wed, 2 Feb 2022 15:25:53 +0100
Subject: [PATCH] uapi: ioam: Insertion frequency

Add the insertion frequency uapi for IOAM lwtunnels.

Signed-off-by: Justin Iurman <justin.iurman@uliege.be>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
 include/uapi/linux/ioam6_iptunnel.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/include/uapi/linux/ioam6_iptunnel.h b/include/uapi/linux/ioam6_iptunnel.h
index 829ffdfcacca..38f6a8fdfd34 100644
--- a/include/uapi/linux/ioam6_iptunnel.h
+++ b/include/uapi/linux/ioam6_iptunnel.h
@@ -41,6 +41,15 @@ enum {
 	/* 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,
 };