netdev - [net-next] ipv6: sr: Add documentation for seg

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Date:   Fri, 27 Apr 2018 12:35:44 +0200
From:   Ahmed Abdelsalam <amsalam20@...il.com>
To:     davem@...emloft.net, linux-doc@...r.kernel.org,
        netdev@...r.kernel.org
Cc:     Ahmed Abdelsalam <amsalam20@...il.com>
Subject: [net-next] ipv6: sr: Add documentation for seg_flowlabel sysctl

This patch adds a documentation for seg_flowlabel sysctl into
Documentation/networking/ip-sysctl.txt

Signed-off-by: Ahmed Abdelsalam <amsalam20@...il.com>
---
 Documentation/networking/ip-sysctl.txt | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 5dc1a04..7528f71 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -1428,6 +1428,19 @@ ip6frag_low_thresh - INTEGER
 ip6frag_time - INTEGER
 	Time in seconds to keep an IPv6 fragment in memory.
 
+IPv6 Segment Routing:
+
+seg6_flowlabel - INTEGER
+	Controls the behaviour of computing the flowlabel of outer
+	IPv6 header in case of SR T.encaps
+
+	-1 set flowlabel to zero.
+	0 copy flowlabel from Inner paceket in case of Inner IPv6
+		(Set flowlabel to 0 in case IPv4/L2)
+	1 Compute the flowlabel using seg6_make_flowlabel()
+
+	Default is 0.
+
 conf/default/*:
 	Change the interface-specific default settings.
 
-- 
2.1.4