[P4-dev] Extern objects: examples
antonin at barefootnetworks.com
Mon May 8 18:36:14 EDT 2017
Thanks for sending this to the list. I believe the p4c bmv2 backend ("json
generator") is undergoing some serious code refactoring at the moment.
However, support for arbitrary externs is definitely a priority. Since you
have already written some code for this, it may be a good idea to open a
pull request in p4lang/p4c. What do you think?
On Sun, May 7, 2017 at 5:37 PM, Jeferson Santiago da Silva <
eng.jefersonsantiago at gmail.com> wrote:
> Dear all,
> I've seen recently some questions regarding external methods with P4. So I
> decided to share something.
> I worked last year with extern methods in the version 1.1, the same one
> that has been deprecated. I modified the json generator and with Antonin's
> support it was pushed to the p4c-bm repo.
> In meantime, the P4-16 language and compiler was developed. Lots of extern
> methods are available, but all of them are seen as primitives in the BMv2.
> So, I modified the p4c json generator to test "actual" extern instances
> with the new P4-16 version.
> I invite all you that are interested in extern methods to visit my github
> page. There I have implemented externs for both P4-14 (1.1) and P4-16.
> Jeferson Santiago da Silva, M.Sc.
> Polytechnique Montréal
> Ph.D. Candidate in Computer Engineering
> Hardware and Programmable Logic Design Engineer
> Phone: +1 (514) 581-1004 <(514)%20581-1004>
> Skype: eng.jefersonsantiago
> Montreal/QC - Canada
> Lattes CV: http://lattes.cnpq.br/9568850258686622
> P4-dev mailing list
> P4-dev at lists.p4.org
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