Resubmit with annotations in v1model

[castilhorosa]

Hello,

I'm trying to use the examples in https://github.com/jafingerhut/p4-guide/blob/master/v1model-special-ops/README-resubmit-examples.md to resubmit packets preserving user metadata. When I try to compile it though, I get the following error:

[--Werror=type-error] error: 1: could not infer a width resubmit(1);

When I try to use @field_list like in v1model-multiple-resubmit-reasons-field-list-annot.p4 I get a similar error:

[--Werror=not-found] error: fl_resubmit1: declaration not found resubmit(fl_resubmit1);

Are these examples working? If so, what should I do to get them compile?

[mihaibudiu]

resubmit has been broken for a long time. There is a patch currently that attempts to fix it, but it has not been merged yet.
#2902

For the "cannot infer width" error you should specify an integer with a width, e.g. 32w1 instead of 1.

[jafingerhut]

@castilhorosa With this commit made to p4c on 2012-Dec-06, the operation resubmit in the v1model architecture has been renamed resubmit_preserving_field_list and takes a numeric field list id, and you can use the @field_list annotation on user-defined metadata fields to define which numeric field list ids that the field is included in.

Also with that commit, the older way of doing things using resubmit({field1, field2, field, 3...}) is now deprecated.

[castilhorosa]

Thanks @jafingerhut and @mbudiu-vmw

[jafingerhut]

Feel free to reopen this issue, or create a new one, if you find some other problems, but it appears this question has been answered.