1 .. SPDX-License-Identifier: GPL-2.0 2 3 ==================== 4 Seg6 Sysfs variables 5 ==================== 6 7 8 /proc/sys/net/conf/<iface>/seg6_* variables: 9 ============================================ 10 11 seg6_enabled - BOOL 12 Accept or drop SR-enabled IPv6 packets on this interface. 13 14 Relevant packets are those with SRH present and DA = local. 15 16 * 0 - disabled (default) 17 * not 0 - enabled 18 19 seg6_require_hmac - INTEGER 20 Define HMAC policy for ingress SR-enabled packets on this interface. 21 22 * -1 - Ignore HMAC field 23 * 0 - Accept SR packets without HMAC, validate SR packets with HMAC 24 * 1 - Drop SR packets without HMAC, validate SR packets with HMAC 25 26 Default is 0. 27 28 seg6_flowlabel - INTEGER 29 Controls the behaviour of computing the flowlabel of outer 30 IPv6 header in case of SR T.encaps 31 32 == ======================================================= 33 -1 set flowlabel to zero. 34 0 copy flowlabel from Inner packet in case of Inner IPv6 35 (Set flowlabel to 0 in case IPv4/L2) 36 1 Compute the flowlabel using seg6_make_flowlabel() 37 == ======================================================= 38 39 Default is 0.
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