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authorRob Herring (Arm) <robh@kernel.org>2026-08-31 14:43:51 -0500
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2026-09-13 18:17:31 -0700
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treef0b5f37b42fc13b9908a31b657c646b024231cdd /Documentation/networking/seg6-sysctl.rst
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Input: tsc2007 - read "ti,poll-period" as u32grafted
The "ti,poll-period" property is documented as a normal uint32 cell. The driver used a u64 helper, which makes the helper type disagree with the schema even though the stored value is still small. Read "ti,poll-period" with the u32 helper matching the documented DT cell size. Assisted-by: Codex:gpt-5-5 Signed-off-by: Rob Herring (Arm) <robh@kernel.org> Link: https://patch.msgid.link/20260831194352.1185860-1-robh@kernel.org Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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+.. SPDX-License-Identifier: GPL-2.0
+
+====================
+Seg6 Sysfs variables
+====================
+
+
+/proc/sys/net/conf/<iface>/seg6_* variables:
+============================================
+
+seg6_enabled - BOOL
+ Accept or drop SR-enabled IPv6 packets on this interface.
+
+ Relevant packets are those with SRH present and DA = local.
+
+ * 0 - disabled (default)
+ * not 0 - enabled
+
+seg6_require_hmac - INTEGER
+ Define HMAC policy for ingress SR-enabled packets on this interface.
+
+ * -1 - Ignore HMAC field
+ * 0 - Accept SR packets without HMAC, validate SR packets with HMAC
+ * 1 - Drop SR packets without HMAC, validate SR packets with HMAC
+
+ Default is 0.
+
+/proc/sys/net/ipv6/seg6_* variables:
+====================================
+
+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.