.. SPDX-License-Identifier: GPL-2.0 ==================== Seg6 Sysfs variables ==================== /proc/sys/net/conf//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. 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.