Attachment 179696 Details for Bug 211003 – packetdrill script reproducing the issue

packetdrill script reproducing the issue

missing_windown_update.pkt (text/x-csrc), 2.10 KB, created by Michael Tuexen on 2017-02-07 08:13:22 UTC

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Creator: Michael Tuexen

Created: 2017-02-07 08:13:22 UTC

Size: 2.10 KB

patch

obsolete

>//
>// Copyright (c) 2017 Michael Tuexen
>// All rights reserved.
>//
>// Redistribution and use in source and binary forms, with or without
>// modification, are permitted provided that the following conditions
>// are met:
>// 1. Redistributions of source code must retain the above copyright
>//    notice, this list of conditions and the following disclaimer.
>// 2. Redistributions in binary form must reproduce the above copyright
>//    notice, this list of conditions and the following disclaimer in the
>//    documentation and/or other materials provided with the distribution.
>//
>// THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
>// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
>// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
>// ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
>// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
>// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
>// OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
>// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
>// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
>// OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
>// SUCH DAMAGE.
>//
>
>// https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211003
>
>--tolerance_usecs=50000
>--mtu=16384
>
> 0.00 `sysctl -w net.inet.tcp.delayed_ack=0`
>+0.00 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3
>+0.00 setsockopt(3, SOL_SOCKET, SO_RCVBUF, [8192], 4) = 0
>+0.00 getsockopt(3, SOL_SOCKET, SO_RCVBUF, [8192], [4]) = 0
>+0.00 fcntl(3, F_GETFL) = 0x02 (flags O_RDWR)
>+0.00 fcntl(3, F_SETFL, O_RDWR | O_NONBLOCK) = 0
>+0.00 connect(3, ..., ...) = -1 EINPROGRESS (Operation now in progress)
>+0.00 > S  0:0(0) win 8192 <mss 16344,nop,wscale 6,sackOK,TS val 100 ecr 0>
>+0.10 < S. 0:0(0) ack 1 win 32767 <mss 16344>
>+0.00 >  . 1:1(0) ack 1 win 8192
>//
>+0.00 < . 1:8193(8192) ack 1 win 65535
>+0.00 > . 1:1(0) ack 8193 win 0
>+0.00 read(3, ..., 8192) = 8192
>+0.00 > . 1:1(0) ack 8193 win 8192
>+0.00 close(3) = 0

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Attachments on bug 211003: 179696