netdev - [PATCH net-next v2 1/2] uapi: ioam: Insertion frequency

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Date:   Wed,  2 Feb 2022 15:25:53 +0100
From:   Justin Iurman <justin.iurman@...ege.be>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, yoshfuji@...ux-ipv6.org,
        dsahern@...nel.org, justin.iurman@...ege.be
Subject: [PATCH net-next v2 1/2] uapi: ioam: Insertion frequency

Add the insertion frequency uapi for IOAM lwtunnels.

Signed-off-by: Justin Iurman <justin.iurman@...ege.be>
---
 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,
 };
 
-- 
2.25.1