Re: Dummynet in monolithic kernel broken on stable/12-n233319-c419c8231fb arm64

From: Michael Sierchio <kudzu_at_tenebras.com>
Date: Thu, 24 Jun 2021 18:05:30 -0700
Addendum:

This was working with

stable/12-n233296-71efecb7eb1 arm64


I don't know exactly when it broke, but it's broken with


stable/12-n233319-c419c8231fb arm64


On Thu, Jun 24, 2021 at 5:55 PM Michael Sierchio <kudzu_at_tenebras.com> wrote:

>
> For numerous reasons, I've been building security appliances with a
> monolithic kernel for a long time.  A recent git pull on the stable/12
> branch from github has borked dummynet.
>
> *root_at_graviton-1:/etc/ipfw 242#* ipfw pipe 1 config gred 0.01/12/36/0.75
> noerror
>
> ipfw: net.inet.ip.dummynet.red_lookup_depth must be greater than zero
>
> *root_at_graviton-1:/etc/ipfw 243#* sysctl
> net.inet.ip.dummynet.red_lookup_depth=256
>
> sysctl: oid 'net.inet.ip.dummynet.red_lookup_depth' is read only
>
>
> Interesting, but inconvenient.  Just happened upon reboot.  Attempting to
> set in /boot/loader.conf doesn't work.  Any advice?
>
>
> Many (if not all) of the dummynet sysctls are borked
>
>
> *root_at_graviton-1:~ 201#* sysctl net.inet.ip.dummynet.red_max_pkt_size=1500
>
> sysctl: oid 'net.inet.ip.dummynet.red_max_pkt_size' is read only
>
>
>
> *michael.sierchio_at_graviton-1:~ 201>* sysctl net.inet.ip.dummynet
>
> net.inet.ip.dummynet.io_pkt_drop: 0
>
> net.inet.ip.dummynet.io_pkt_fast: 0
>
> net.inet.ip.dummynet.io_pkt: 0
>
> net.inet.ip.dummynet.queue_count: 0
>
> net.inet.ip.dummynet.fsk_count: 0
>
> net.inet.ip.dummynet.si_count: 0
>
> net.inet.ip.dummynet.schk_count: 0
>
> net.inet.ip.dummynet.expire_cycle: 0
>
> net.inet.ip.dummynet.expire: 0
>
> net.inet.ip.dummynet.tick_lost: 0
>
> net.inet.ip.dummynet.tick_diff: 0
>
> net.inet.ip.dummynet.tick_adjustment: 0
>
> net.inet.ip.dummynet.tick_delta_sum: 0
>
> net.inet.ip.dummynet.tick_delta: 0
>
> net.inet.ip.dummynet.red_max_pkt_size: 0
>
> net.inet.ip.dummynet.red_avg_pkt_size: 0
>
> net.inet.ip.dummynet.red_lookup_depth: 0
>
> net.inet.ip.dummynet.debug: 0
>
> net.inet.ip.dummynet.io_fast: 0
>
> net.inet.ip.dummynet.pipe_byte_limit: 1048576
>
> net.inet.ip.dummynet.pipe_slot_limit: 100
>
> net.inet.ip.dummynet.hash_size: 64
>
> net.inet.ip.dummynet.fqpie.limit: 10240
>
> net.inet.ip.dummynet.fqpie.flows: 1024
>
> net.inet.ip.dummynet.fqpie.quantum: 1514
>
> net.inet.ip.dummynet.fqpie.beta: 1250
>
> net.inet.ip.dummynet.fqpie.alpha: 125
>
> net.inet.ip.dummynet.fqpie.max_ecnth: 99
>
> net.inet.ip.dummynet.fqpie.max_burst: 150000
>
> net.inet.ip.dummynet.fqpie.tupdate: 15000
>
> net.inet.ip.dummynet.fqpie.target: 15000
>
> net.inet.ip.dummynet.fqcodel.limit: 10240
>
> net.inet.ip.dummynet.fqcodel.flows: 1024
>
> net.inet.ip.dummynet.fqcodel.quantum: 1514
>
> net.inet.ip.dummynet.fqcodel.interval: 100000
>
> net.inet.ip.dummynet.fqcodel.target: 5000
>
> net.inet.ip.dummynet.pie.beta: 1250
>
> net.inet.ip.dummynet.pie.alpha: 125
>
> net.inet.ip.dummynet.pie.max_ecnth: 99
>
> net.inet.ip.dummynet.pie.max_burst: 150000
>
> net.inet.ip.dummynet.pie.tupdate: 15000
>
> net.inet.ip.dummynet.pie.target: 15000
>
> net.inet.ip.dummynet.codel.interval: 100000
>
> net.inet.ip.dummynet.codel.target: 5000
> --
>
> "Well," Brahmā said, "even after ten thousand explanations, a fool is no
> wiser, but an intelligent person requires only two thousand five hundred."
>
> - The Mahābhārata
>


-- 

"Well," Brahmā said, "even after ten thousand explanations, a fool is no
wiser, but an intelligent person requires only two thousand five hundred."

- The Mahābhārata
Received on Fri Jun 25 2021 - 01:05:30 UTC

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