Date: Thu, 22 Feb 2018 23:12:00 +0400 From: Misak Khachatryan <kmisak@gmail.com> To: "Andrey V. Elsukov" <bu7cher@yandex.ru> Cc: freebsd-net@freebsd.org, Eugene Grosbein <eugen@grosbein.net> Subject: Re: Racoon and setkey problems Message-ID: <CABfKv0ki8CKbOd3n3RmBB2AwxO4H_wxo8RNF-LazMb9b5hKu-w@mail.gmail.com> In-Reply-To: <300530ba-f2b2-f31c-881e-4841c9c8ec12@yandex.ru> References: <CABfKv0mYX2ouQ1k6M2Bd90yp=eQXP6HcHL7%2BdE2AZQ9afQ%2Bc2g@mail.gmail.com> <5A8A97EC.4040103@grosbein.net> <CABfKv0ntGt6TCP7v9xa=MSSZqHwYbZtYtVd6s0gZ-Mbdu2qk5A@mail.gmail.com> <16e6d695-6961-bc17-6ff0-e2affcd5df3b@yandex.ru> <CABfKv0kvTLJjv7F6y7DTXxE-oXspOHTJti%2Bj0Ftqv5xVpqQQRQ@mail.gmail.com> <5A8BB836.2010501@grosbein.net> <5e13deb9-0d83-5f43-195c-f6797ed36a7b@yandex.ru> <CABfKv0mavVUqFsecAAa6-6RjzfBQ9qoGp7sUw8EEyXEkVQ5Onw@mail.gmail.com> <5A8E7642.2020509@grosbein.net> <CABfKv0=wV0_W2eWRkgcWKwwUxiNigR7NKXCdRyCSwVXhGrQKZw@mail.gmail.com> <ddf4d736-d071-4ddb-2237-001cdac8992f@yandex.ru> <CABfKv0kX70wV3isxxADq3xoNN5P-Y2_tN3iuyXvYzH0dntgo1A@mail.gmail.com> <CABfKv0ms1Aw_g4DHWGskxMmi7tHczeEQBMBch6MphG7NcSa3Cg@mail.gmail.com> <182ad344-6d2d-418f-02c6-1ba11dd3c2cd@yandex.ru> <CABfKv0=n9TnezVZSbTLyYV%2Bndk4mPJrgo%2BHvsFno=wMazrf7fg@mail.gmail.com> <9db09caa-010f-facb-778b-4a1a82cbb0b7@yandex.ru> <CABfKv0kbqYCPXk%2B2xxX2tOx%2BhaB3NQTur6Lrrm3rTOANz5W=WQ@mail.gmail.com> <300530ba-f2b2-f31c-881e-4841c9c8ec12@yandex.ru>
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Here is changed output:
# sysctl net.raw
net.raw.recvspace: 8192
net.raw.sendspace: 8192
# sysctl net.raw.recvspace=65535
net.raw.recvspace: 8192 -> 65535
# sysctl net.raw.sendspace=65535
net.raw.sendspace: 8192 -> 65535
#
#
#
# setkey -x
setkey: send: No buffer space available
# dtrace -s /tmp/key.d
dtrace: script '/tmp/key.d' matched 14 probes
CPU ID FUNCTION:NAME
3 25400 soreserve:entry 32768 65536
kernel`sonewconn+0x1b1
kernel`syncache_expand+0x6e1
kernel`tcp_input+0xdc4
5 25400 soreserve:entry 65535 65535
kernel`raw_attach+0x2a
kernel`key_attach+0x57
kernel`socreate+0x1af
5 7957 key_attach:return 0
5 6405 sbappendaddr_locked_internal:return 1
kernel`sbappendaddr_locked+0x90
kernel`sbappendaddr+0x61
kernel`key_sendup0+0xee
5 24460 sbappendaddr_locked:return 1
kernel`sbappendaddr+0x61
kernel`key_sendup0+0xee
kernel`key_sendup_mbuf+0x14b
5 12872 sbappendaddr:return 1
kernel`key_sendup0+0xee
kernel`key_sendup_mbuf+0x14b
kernel`key_parse+0x87f
5 7969 key_sendup0:return 0
kernel`key_sendup_mbuf+0x14b
kernel`key_parse+0x87f
kernel`sosend_generic+0x476
5 24460 sbappendaddr_locked:return 0
kernel`sbappendaddr+0x61
kernel`key_sendup0+0xee
kernel`key_sendup_mbuf+0x1e6
5 12872 sbappendaddr:return 0
kernel`key_sendup0+0xee
kernel`key_sendup_mbuf+0x1e6
kernel`key_parse+0x87f
5 7969 key_sendup0:return 55
kernel`key_sendup_mbuf+0x1e6
kernel`key_parse+0x87f
kernel`sosend_generic+0x476
5 24402 key_sendup_mbuf:return 55
kernel`key_parse+0x87f
kernel`sosend_generic+0x476
kernel`kern_sendit+0x245
5 11197 key_parse:return 55
^C
#
Best regards,
Misak Khachatryan
On Thu, Feb 22, 2018 at 8:34 PM, Andrey V. Elsukov <bu7cher@yandex.ru> wrote:
> On 22.02.2018 18:28, Misak Khachatryan wrote:
>> # dtrace -s key.d
>> dtrace: script 'key.d' matched 14 probes
>> CPU ID FUNCTION:NAME
>
> So, what I can say:
>
>> 4 25400 soreserve:entry 8192 8192
>> kernel`raw_attach+0x2a
>> kernel`key_attach+0x57
>> kernel`socreate+0x1af
>
> First of try to increase both values of net.raw:
>
> # sysctl net.raw
> net.raw.recvspace: 65535
> net.raw.sendspace: 65535
>
>>
>> 4 24460 sbappendaddr_locked:return 0
>> kernel`sbappendaddr+0x61
>> kernel`key_sendup0+0xee
>> kernel`key_sendup_mbuf+0x1e6
>>
>> 4 12872 sbappendaddr:return 0
>> kernel`key_sendup0+0xee
>> kernel`key_sendup_mbuf+0x1e6
>> kernel`key_parse+0x87f
>>
>
> Then probably this output will be changed.
>
> --
> WBR, Andrey V. Elsukov
>
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