Marcin Wojtas ac152c14e0 Trigger soft lifetime expiration on sequence number
This patch adds 80% of UINT32_MAX limit on sequence number.
When sequence number reaches limit kernel sends SADB_EXPIRE message to
IKE daemon which is responsible to perform rekeying.

Submitted by:           Patryk Duda <pdk@semihalf.com>
Reviewed by:            ae
Differential revision:  https://reviews.freebsd.org/D22370
Obtained from:          Semihalf
Sponsored by:           Stormshield
2020-10-16 11:27:01 +00:00
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