From: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
To: Jiri Pirko <jiri@resnulli.us>
Cc: davem@davemloft.net, netdev@vger.kernel.org, eladr@mellanox.com,
idosch@mellanox.com
Subject: Re: HW communication debugging interface - ideas?
Date: Mon, 5 Oct 2015 15:32:33 -0300 [thread overview]
Message-ID: <20151005183233.GD4890@localhost.localdomain> (raw)
In-Reply-To: <20150930135141.GF2098@nanopsycho.orion>
On Wed, Sep 30, 2015 at 03:51:41PM +0200, Jiri Pirko wrote:
> Hi Dave/all.
>
> There is quite common for drivers to speak with HW using "packet-like"
> messages. In our case, we put message into skb and push that out as
> an ordinary packet. HW then sends us reply in a packet, similar to other
> rx-ed packets.
Better sure than sorry so I'll ask. It's not possible for an application
to inject such skbs somehow, right? Like, a guest, tied to a bridge,
tied to a port which ends up understanding these skbs.
...
> 2) generic Netlink (genl) interface. Easy to put metadata in, including the
> device identificator (pci address). User then can use nlmon in order to
> be able to use wireshark to see the netlink messages.
>
> Looks like 2) might be viable, well-defined, generic interface to carry
> this info. What do you think? Does this make sense?
2 seems very interesting, fwiw
Marcelo
next prev parent reply other threads:[~2015-10-05 18:32 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-30 13:51 HW communication debugging interface - ideas? Jiri Pirko
2015-10-05 8:54 ` Jiri Pirko
2015-10-05 9:38 ` David Miller
2015-10-05 9:45 ` Jiri Pirko
2015-10-05 9:54 ` Rosen, Rami
2015-10-05 9:56 ` Jiri Pirko
2015-10-05 14:49 ` Andrew Lunn
2015-10-05 14:55 ` Jiri Pirko
2015-10-05 14:58 ` Andrew Lunn
2015-10-05 15:18 ` Jiri Pirko
2015-10-05 15:29 ` John Fastabend
2015-10-05 15:35 ` Jiri Pirko
2015-10-05 15:47 ` John Fastabend
2015-10-06 8:14 ` Jiri Pirko
2015-10-06 14:54 ` John Fastabend
2015-10-06 15:02 ` Jiri Pirko
2015-10-06 15:02 ` Andrew Lunn
2015-11-01 17:58 ` Guy Harris
2015-10-05 12:28 ` Thomas Graf
2015-10-05 18:32 ` Marcelo Ricardo Leitner [this message]
2015-10-05 20:40 ` Jiri Pirko
2015-11-01 16:51 ` David Miller
2015-11-02 6:13 ` Jiri Pirko
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