[dpdk-dev] ACL Library Information Request

[dpdk-dev] ACL Library Information Request

[Jason Terry]

HI,

   I've read the documentation and looked at the example acl app.  What is the best practice for deleting rules?  The API looks like a new context needs created and built.  Is that true?  Also, this is more of a confirmation, but RTE_ACL_MAX_FIELDS is defined as 64, so I assume that for ipv4 we can have a tuple that's larger than 5?

Thanks,
Jason

Re: [dpdk-dev] ACL Library Information Request

[Ananyev, Konstantin]

Hi Jason,

> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Jason Terry
> Sent: Thursday, November 12, 2015 1:58 PM
> To: dev@dpdk.org
> Subject: [dpdk-dev] ACL Library Information Request
> 
> HI,
> 
>    I've read the documentation and looked at the example acl app.  What is the best practice for deleting rules?  The API looks like a
> new context needs created and built.  Is that true?

You don't have to create a new context, but you'll need to:
delete all rules 
repopulate context with rules you'd like to keep
build context.

Or as you said - just create new context, populate it, build, destroy old one.

>  Also, this is more of a confirmation, but RTE_ACL_MAX_FIELDS is defined as 64, so
> I assume that for ipv4 we can have a tuple that's larger than 5?

Yes, in theory up to 64 fields allowed, though on practice I never used more than 11 so far.
Konstantin

> 
> Thanks,
> Jason

Re: [dpdk-dev] ACL Library Information Request

[Jason Terry]

Thanks!

-----Original Message-----
From: Ananyev, Konstantin [mailto:konstantin.ananyev@intel.com] 
Sent: Friday, November 13, 2015 8:49 AM
To: Jason Terry; dev@dpdk.org
Subject: RE: ACL Library Information Request

Hi Jason,

> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Jason Terry
> Sent: Thursday, November 12, 2015 1:58 PM
> To: dev@dpdk.org
> Subject: [dpdk-dev] ACL Library Information Request
> 
> HI,
> 
>    I've read the documentation and looked at the example acl app.  
> What is the best practice for deleting rules?  The API looks like a new context needs created and built.  Is that true?

You don't have to create a new context, but you'll need to:
delete all rules
repopulate context with rules you'd like to keep build context.

Or as you said - just create new context, populate it, build, destroy old one.

>  Also, this is more of a confirmation, but RTE_ACL_MAX_FIELDS is 
> defined as 64, so I assume that for ipv4 we can have a tuple that's larger than 5?

Yes, in theory up to 64 fields allowed, though on practice I never used more than 11 so far.
Konstantin

> 
> Thanks,
> Jason