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@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index b583a73..b2f463e0 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -1428,6 +1428,19 @@
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 packet 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.