From: Andrew Lunn <andrew@lunn.ch>
To: Juergen Lambrecht <Jurgen.Lambrecht@scarlet.be>
Cc: Andrew Lunn <andrew@lunn.ch>, ecos-discuss@ecos.sourceware.org
Subject: Re: [ECOS] max IP packet size = 9216 B. Why?
Date: Tue, 12 Jun 2007 23:03:00 -0000 [thread overview]
Message-ID: <20070612215839.GX26816@lunn.ch> (raw)
In-Reply-To: <466EF583.2090003@telenet.be>
> sendto returns the error code 322 or EMSGSIZE "Message too long".
> I forgot to tell that's because the high water level of the send socket
> (o->so_snd.sb_hiwat) is 9216 B (=0x2400) (in file
> bsd_tcpip/current/src/sys/kern/uipc_socket.c:523).
>
> I will try to increase the socket's high water level (after I have found
> where it is set ;-).
I think you can set it with setsockopt(). The option names are
SO_SNDBUF & SO_RCVBUF. However, there might be a system check to
ensure they are not too large.
Andrew
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next prev parent reply other threads:[~2007-06-12 21:58 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-12 21:58 Jürgen Lambrecht
2007-06-12 22:12 ` Andrew Lunn
2007-06-12 22:46 ` Jürgen Lambrecht
2007-06-12 23:03 ` Andrew Lunn [this message]
2007-06-13 14:24 ` Jürgen Lambrecht
2007-06-13 15:44 ` Andrew Lunn
[not found] ` <058cebc1-1c19-438d-b5de-2c8015835c36@googlegroups.com>
2017-06-20 10:29 ` Jürgen Lambrecht
2017-06-23 10:32 ` Jürgen Lambrecht
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