Question about hash function about p4-learning HOT 3 CLOSED

You can find the description of hash here: https://github.com/p4lang/p4c/blob/master/p4include/v1model.p4#L453

The important part:

The value written to the out parameter named result: will always be in the range [base, base+max-1] inclusive, if max >=1. If max=0, the value written to result will always be base.

That means if base is 0, and max is 100, it will be from 0 to 100. If base is 100 and range 100, it will be from 100 to 200.

Hope that answers your question

from p4-learning.

Oh,thanks! I got it,and one more question about register.In the same exercise,for example:

does it means the 'um_ip_src' register have index from 0 to 'REGISTER_SIZE_TOTAL',and every index has a value in type 'REGISTER_CELL_WIDTH'.Excuse me for taking your time,thanks in advance.

from p4-learning.

Yes it means that!

from p4-learning.