From mboxrd@z Thu Jan  1 00:00:00 1970
From: Wolfgang Grandegger <wg@grandegger.com>
Subject: Re: CAN State Information
Date: Fri, 09 Dec 2011 15:49:50 +0100
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To: kime@ixxat.de
Cc: socketcan-core@lists.berlios.de, linux-can@vger.kernel.org

On 12/09/2011 02:41 PM, kime@ixxat.de wrote:
> I noticed that when libsocketcan calls send_dump_request() it returns a message for me that has a length of 3424 with recvmsg().  This is not the full message, if I add a loop into the routine to again receive, I receive a second message this time with a length of 1424.  I added some prints into the routine to output strings and sizes:
> 
> First read:
> nl_msg:-1073753668  u_msglen:3424
> lo
> nl_msg:-1073752676  u_msglen:2432
> eth0
> nl_msg:-1073751668  u_msglen:1424
> can0
> nl_msg:-1073750956  u_msglen:712
> can1
> 
> Second read:
> nl_msg:-1073753668  u_msglen:1424
> can2
> nl_msg:-1073752956  u_msglen:712
> can3
> 
> With this loop, it seems to work.  Does this make sense?

Yes, could you send a patch (showing your modifications)?

Wolfgang.