meson option to customize RTE_PKTMBUF_HEADROOM patch

[David Marchand]

Hello,

On Thu, Feb 15, 2024 at 8:02 PM Parthakumar Roy <Parthakumar.Roy at ibm.com> wrote:
>
> Hello,
> Bruce Richardson suggested that I submit this patch - at IBM we needed to adjust the pkt_mbuf_headroom for our application to work. This is my first ever patch through a mailing list, I have only done it through Pull Requests before, so let me know if I need to correct something.

Thanks for the contribution.

I have some comments on the form.

First of all, there are issues (the change is included as part of a
multipart mail + html) in the format of the change itself, which
distracted our CI tools.
As a result, the patch was not recognised and can't be tested by the CI.

We also need a SoB.

Please have a look at the contributors guide (esp. chaptors 1 and 8):
https://doc.dpdk.org/guides/contributing/patches.html


>
> Message:
>     Add meson configuration option to adjust RTE_PKTMBUF_HEADROOM

You must describe with more detail the goal/usecase that you want to
address with a change.

For example here, I am curious to know how you need to adjust the headroom.
Is it for increasing it?
I consider the current headroom already quite huge (it is enough to
encapsulate 2 whole vxlan tunnel headers, for example).


-- 
David Marchand