Re: [dpdk-dev] 2.3 Roadmap

[Panu Matilainen <pmatilai@redhat.com>]

On 12/01/2015 12:03 PM, Bruce Richardson wrote:
> On Mon, Nov 30, 2015 at 05:16:55PM -0800, Stephen Hemminger wrote:
>> On Mon, 30 Nov 2015 22:53:50 +0000
>> Kyle Larose <klarose@sandvine.com> wrote:
>>
>>> Hi Tim,
>>>
>>> On Mon, Nov 30, 2015 at 3:50 PM, O'Driscoll, Tim <tim.odriscoll@intel.com> wrote:
>>>
>>>> Tcpdump Support: Support for tcpdump will be added to DPDK. This will improve usability and debugging of DPDK applications.
>>>
>>> I'm curious about the proposed tcpdump support. Is there a concrete plan for this, or is that still being looked into? Sandvine is interested in contributing to this effort. Anything we can do to help?
>>>
>>> Thanks,
>>>
>>> Kyle
>>
>> We discussed an Ovscon doing a simple example of how to have a thread use named pipe
>> support (already in tcpdump and wireshark). More complex solutions require changes to
>> libpcap and application interaction.
>
> Our current thinking is to use kni to mirror packets into the kernel itself,
> so that all standard linux capture tools can then be used.

The problem with that (unless I'm missing something here) is that KNI 
requires using out-of-tree kernel modules which makes it pretty much a 
non-option for distros.

	- Panu -