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Re: UDP sockets bound to ANY send answers with wrong src ip address

To: vda@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx (Denis Vlasenko)
Subject: Re: UDP sockets bound to ANY send answers with wrong src ip address
From: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Date: Fri, 11 Jun 2004 20:34:18 +1000
Cc: yoshfuji@xxxxxxxxxxxxxx, netdev@xxxxxxxxxxx, linux-net@xxxxxxxxxxxxxxx, davem@xxxxxxxxxx, pekkas@xxxxxxxxxx, jmorris@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <200406111230.35481.vda@port.imtp.ilyichevsk.odessa.ua>
Organization: Core
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User-agent: tin/1.7.4-20040225 ("Benbecula") (UNIX) (Linux/2.4.25-1-686-smp (i686))
Denis Vlasenko <vda@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
> 
> I looked into sendmsg(). Looks like ther is no way to
> indicate source ip.
> 
> Shall I use some other technique?

IP_PKTINFO works just as well there.  Look at the ip_cmsg_send call
in udp_sendmsg.

Cheers,
-- 
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Email:  Herbert Xu ~{PmV>HI~} <herbert@xxxxxxxxxxxxxxxxxxx>
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