netdev - Re: all is not right with the world...

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Message-ID: <OFF55A202E.AA9318A6-ON882573AD.000A24C5-882573AD.000A5417@us.ibm.com>
Date:	Sun, 9 Dec 2007 17:52:44 -0800
From:	David Stevens <dlstevens@...ibm.com>
To:	David Stevens <dlstevens@...ibm.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org,
	netdev-owner@...r.kernel.org, yoshfuji@...ux-ipv6.org
Subject: Re: all is not right with the world...

Never mind...

Though I hate the "TCP" in the name (maybe overload UDP_CONNECTED?), I see 
datagram
sockets are in fact setting it, and my EDESTADDRREQ was a bug in my test 
program. :-)

                                                +-DLS

netdev-owner@...r.kernel.org wrote on 12/09/2007 04:19:12 PM:

>         I don't know if you've fixed it already, but I was writing some
> UDPv6 tests in 2.6.23.9 and was getting EDESTADDRREQ unexpectedly. When
> I looked at the kernel code, I found:
> 
> gerrit/wscott     1.115       | int udpv6_sendmsg(struct kiocb *iocb, 
> struct sock *sk,
> shemminger        1.57        | struct 
> msghdr *msg, size_t len)
> torvalds          1.1         | {
> ...
> 
> yoshfuji          1.53        |                  } else if 
(!up->pending) 
> {
> yoshfuji          1.53        |                                  if 
> (sk->sk_state != TCP_ESTABLISHED)
> yoshfuji          1.53        |  return -EDESTADDRREQ;
> yoshfuji          1.53        |                                  daddr = 

> &np->daddr;
> 
>         I wouldn't expect a UDP socket to be setting
> sk_state to TCP_ESTABLISHED...
> 
>                                                         +-DLS
> 
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