[P4-dev] Dynamically loading P4 Modification

Nate Foster jnfoster at cs.cornell.edu
Sun Oct 15 05:16:03 EDT 2017


It depends. Whether or not a device supports this functionality is not
mandated by P4.

However, I believe some targets will/do support such dynamic
reconfiguration.

-N

On Sun, Oct 15, 2017 at 5:04 AM, satish karunanithi <satish.fdio at gmail.com>
wrote:

> Ok Thanks.
>
> If a program or fix can be compiled and loaded dynamically like the patch/
> inservice upgradation can this new patch can be loaded into system without
> restarting this process or target.
>
> On Sun, Oct 15, 2017 at 2:22 PM, Nate Foster <jnfoster at cs.cornell.edu>
> wrote:
>
>> Can i add some new actions/tables which was not pre-compiled initially?
>>>
>>
>> No.
>>
>>
>>> Can on existing p4 switch can i add one new table without restarting the
>>> switch?
>>>
>>
>> Depends on the switch and what exactly you mean by restarting.
>>
>> -N
>>
>
>
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