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.