[dpdk-dev] [PATCH v3 0/2] Add example l3fwd-regex

[Stephen Hemminger]

On Sun, 15 Nov 2020 15:07:37 +0100
Thomas Monjalon <thomas at monjalon.net> wrote:

> 18/10/2020 14:03, guyk at marvell.com:
> > From: Guy Kaneti <guyk at marvell.com>
> > 
> > The L3 Forwarding with Regex application is a simple example of
> > packet processing using DPDK Regex framework.
> > The application performs L3 LPM based forwarding while using
> > Regex framework for pre-filtering decision.  
> 
> The techboard decision is a bit different of this l3fwd-regex:
> "
> - TB agreed to have an example application that exercises the regex device and network device as a separate application.
> - The example shall be used for both Benchmark and functional verification of regex in the forwarding path.
> - Based on the discussions, it is agreed that l3fwd might not be the real use case to consider as regex + network application
> - Instead, TB recommends having the Deep packet inspection style application to showcase the regex + networking use case.
> - Following is the simple DPI style application definition, which can be considered as a candidate, as an example of regex + network application
> 1) Create or import a rule database.
>         - Rule database will have an index as rule_id and pattern to search
> 2) Create or import rule_id to the action table
>               - Action could be -1 for the drop, 0 .. N for a specific port to forward upon the match
> 3) Enqueue all the packet from ethdev to regexdev
> 4) If there is a match, then do the action based on the table created in step 2 using struct rte_regexdev_match::rule_id
> 5) If there is no match, forward back to the source port
> "
> 
> http://mails.dpdk.org/archives/dev/2020-November/191301.html

Marking original example as "Changes requested"
Please resubmit example based on the above feedback.