netdev - [PATCH iproute2-next 2/2] Update documentation

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Message-Id: <20220205155208.22531-3-justin.iurman@uliege.be>
Date:   Sat,  5 Feb 2022 16:52:08 +0100
From:   Justin Iurman <justin.iurman@...ege.be>
To:     netdev@...r.kernel.org
Cc:     dsahern@...nel.org, stephen@...workplumber.org,
        justin.iurman@...ege.be
Subject: [PATCH iproute2-next 2/2] Update documentation

Update the ip-route documentation to include the IOAM insertion
frequency.

Signed-off-by: Justin Iurman <justin.iurman@...ege.be>
---
 man/man8/ip-route.8.in | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/man/man8/ip-route.8.in b/man/man8/ip-route.8.in
index ed628455..462ff269 100644
--- a/man/man8/ip-route.8.in
+++ b/man/man8/ip-route.8.in
@@ -245,7 +245,9 @@ throw " | " unreachable " | " prohibit " | " blackhole " | " nat " ]"
 
 .ti -8
 .IR ENCAP_IOAM6 " := "
-.B ioam6
+.BR ioam6 " ["
+.B freq
+.IR K "/" N " ] "
 .BR mode " [ "
 .BR inline " | " encap " | " auto " ] ["
 .B tundst
@@ -919,6 +921,9 @@ address is set as described in \fBip-sr\fR(8).
 
 .B ioam6
 .in +2
+.B freq K/N
+- Inject IOAM in K packets every N packets (default is 1/1).
+
 .B mode inline
 - Directly insert IOAM after IPv6 header (default mode).
 .sp
@@ -1274,9 +1279,9 @@ ip -6 route add 2001:db8:1::/64 encap seg6local action End.DT46 vrftable 100 dev
 Adds an IPv6 route with SRv6 decapsulation and forward with lookup in VRF table.
 .RE
 .PP
-ip -6 route add 2001:db8:1::/64 encap ioam6 mode encap tundst 2001:db8:42::1 trace prealloc type 0x800000 ns 1 size 12 dev eth0
+ip -6 route add 2001:db8:1::/64 encap ioam6 freq 2/5 mode encap tundst 2001:db8:42::1 trace prealloc type 0x800000 ns 1 size 12 dev eth0
 .RS 4
-Adds an IPv6 route with an IOAM Pre-allocated Trace encapsulation (ip6ip6) that only includes the hop limit and the node id, configured for the IOAM namespace 1 and a pre-allocated data block of 12 octets.
+Adds an IPv6 route with an IOAM Pre-allocated Trace encapsulation (ip6ip6) that only includes the hop limit and the node id, configured for the IOAM namespace 1 and a pre-allocated data block of 12 octets (will be injected in 2 packets every 5 packets).
 .RE
 .PP
 ip route add 10.1.1.0/30 nhid 10
-- 
2.25.1