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Differential D32134

pf: implement adaptive mode
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Authored by kp on Sep 25 2021, 1:06 PM.
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rGd23f5f76f56d: pf: implement adaptive mode
rGdc23abfdea97: pf: implement adaptive mode
rGbf8637181a2b: pf: implement adaptive mode
Summary

Use atomic counters to ensure that we correctly track the number of half
open states and syncookie responses in-flight.
This determines if we activate or deactivate syncookies in adaptive
mode.

MFC after: 1 week
Sponsored by: Modirum MDPay

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Repository
rG FreeBSD src repository
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Tests Not Applicable

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PathSize
sys/
net/
5 lines
netpfil/
pf/
15 lines
51 lines

Diff 95930

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sys/net/pfvar.h

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sys/netpfil/pf/pf.c

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sys/netpfil/pf/pf_syncookies.c

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