Re: [nftables tool PATCH 2/5] src: Wrap netfilter hooks around human readable strings

[Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>]

Hi Pablo,

> This can be done better by checking this in the evaluation step, in
> chain_evaluate (you can reach the family via ctx).

Ok, a step before indeed.
At first I was planning to do that at parsing stage but couldn't reach 
the chain's family.

> Moreover, you can store the hook as string in the parser. Then, in the
> evaluation step you validate that it is correct and convert it to
> numeric value. That will require two fields in the chain, one for the
> hookstr and one for hooknum.

Makes sense, though the struct chain will grow a bit then.
I will still validate the string at parsing stage to keep the error 
reporting on that particular place.

Tomasz