netdev - Re: [PATCH net-next 1/2] decnet: Parse netlink attributes on our own

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Date:	Fri, 22 Mar 2013 14:29:51 +0000
From:	Steven Whitehouse <swhiteho@...hat.com>
To:	Thomas Graf <tgraf@...g.ch>
Cc:	davem@...emloft.net, netdev@...r.kernel.org,
	linux-decnet-user@...ts.sourceforge.net
Subject: Re: [PATCH net-next 1/2] decnet: Parse netlink attributes on our
 own

Hi,

On Fri, 2013-03-22 at 14:27 +0000, Thomas Graf wrote:
> On 03/21/13 at 06:04pm, Steven Whitehouse wrote:
> > You shouldn't need any special hardware to test this. A copy of iproute2
> > should be enough as you should be able to use that to create an
> > interface or two and a route between them, etc. Although DECnet routing
> > works in a different way to ip routing, the Linux implementation tries
> > to stick fairly closely to the ip way of doing things whenever it can in
> > order to share infrastructure. Now that ip has diverged a fair bit over
> > time that isn't quite as true as it was, but there shouldn't be anything
> > too surprising in there.
> 
> Alright, I did some basic testing with iproute2. I do not claim
> to understand what I did but I ran the following:
> 
> $ ip -f dnet route add 1.661 dev em1
> $ ip -f dnet route list
> 1.661 dev em1  scope link
> 
> $ ip -f dnet neigh add 6.662 dev em1
> $ ip -f dnet neigh list
> 6.662 dev em1 lladdr aa:00:04:00:96:1a PERMANENT
> 
> $ ip -f dnet addr add 1.111 dev em1
> $ ip -f dnet addr list
> 2: em1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN qlen 1000
>     dnet 1.111/16 scope global em1

That looks sane to me. The only thing I could think of to add to that
list would be to use ip route get to do a lookup, but otherwise, that
seems to cover everything pretty much,

Steve.


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