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From: Morten Brørup <mb@smartsharesystems.com>
To: "Medvedkin, Vladimir" <vladimir.medvedkin@intel.com>
Cc: <bruce.richardson@intel.com>, <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v5 00/12] lib: add RIB and FIB liraries
Date: Thu, 12 Sep 2019 14:00:47 +0200
Message-ID: <98CBD80474FA8B44BF855DF32C47DC35B42A93@smartserver.smartshare.dk> (raw)
In-Reply-To: <1e13c205-70cf-44b2-611d-d5fced5f3020@intel.com>

Hi Vladimir,

> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Medvedkin,
> Vladimir
> 
> Hi Brørup,
> 
> On 12/09/2019 08:37, Morten Brørup wrote:
> >> -----Original Message-----
> >> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Vladimir
> Medvedkin
> >>
> >> This is heavily reworked version of previous RIB library series:
> >> https://mails.dpdk.org/archives/dev/2018-April/099492.html
> >>

[snip]

> >> Second library is FIB that is Forwarding Information Base. It
> >> represents
> >> dataplane related struct and algorithms for longest prefix match.
> >> Internally it consists of two parts - RIB (control plane ops) and
> >> implementation for the dataplane tasks.
> >> Initial version provides two implementations for both ipv4 and ipv6:
> >> dummy (uses RIB as a dataplane) and DIR24_8 (same as current LPM)
> >> Due to proposed design it allows to extend FIB with new algorithms
> in
> >> future
> >> (for example DXR, poptrie, etc).
> > The feedback following here is meant as a comment, not an objection.
> Feel free to ignore!
> >
> > This FIB library is designed for IP based forwarding only.
> >
> > How about forwarding based on other criteria?
> > E.g. the FIB in a standard Ethernet switch is based on VLAN+MAC.
> >
> > Such a FIB would probably require a different library, based on a
> hash structure, and would also require a compare-and-set function
> callable from the data plane in order to provide wire speed learning.
> >
> > So I suggest that the documentation highlights that this FIB library
> is for IP based forwarding. Optionally also reconsider the name of the
> library and its functions, structures etc..
> 
> Thanks for the feedback.
> 
> Yes, at the moment FIB has only longest prefix match algorithms.
> However, it is possible to add different exact match algorithms for
> VLAN+MAC/MPLS/etc processing.
> 
> It is always hard to find proper name for library/function/variable, so
> if you think that fib name is not relevant feel free to suggest better
> :)
> 

You can use ip_/ipv4_/ipv6_ somewhere in the common prefix, like the ip_frag library, and unlike many other libraries. :-)

And again: Feel free to ignore!

> 
> --
> Regards,
> Vladimir
> 

Med venlig hilsen / kind regards
- Morten Brørup

  reply index

Thread overview: 61+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-26 22:03 [dpdk-dev] [PATCH v4 0/4] lib/rib: Add Routing Information Base library Medvedkin Vladimir
2018-04-26 22:03 ` [dpdk-dev] [PATCH v4 1/4] Add RIB library Medvedkin Vladimir
2018-04-26 22:17   ` Stephen Hemminger
2018-04-26 22:18   ` Stephen Hemminger
2018-04-26 22:19   ` Stephen Hemminger
2018-04-26 22:19   ` Stephen Hemminger
2018-04-26 22:20   ` Stephen Hemminger
2018-04-27  6:45     ` Vladimir Medvedkin
2018-06-29 13:54   ` Bruce Richardson
2018-06-29 14:02   ` Bruce Richardson
2018-04-26 22:03 ` [dpdk-dev] [PATCH v4 2/4] Add dir24_8 implementation for rib library Medvedkin Vladimir
2018-04-26 22:03 ` [dpdk-dev] [PATCH v4 3/4] Add autotests for RIB library Medvedkin Vladimir
2018-06-29 14:13   ` Bruce Richardson
2018-06-29 15:07   ` Bruce Richardson
2018-06-29 15:31   ` Bruce Richardson
2018-04-26 22:03 ` [dpdk-dev] [PATCH v4 4/4] Add support for lpm and rib bulk lookup Medvedkin Vladimir
2018-04-26 22:24 ` [dpdk-dev] [PATCH v4 0/4] lib/rib: Add Routing Information Base library Stephen Hemminger
2018-04-26 22:27   ` Thomas Monjalon
2018-04-26 22:42     ` Stephen Hemminger
2018-04-26 22:49     ` Stephen Hemminger
2018-04-27  8:27   ` Vladimir Medvedkin
2018-06-29 15:48 ` Bruce Richardson
2019-09-11 17:09 ` [dpdk-dev] [PATCH v5 00/12] lib: add RIB and FIB liraries Vladimir Medvedkin
2019-09-12  7:37   ` Morten Brørup
2019-09-12  9:47     ` Medvedkin, Vladimir
2019-09-12 12:00       ` Morten Brørup [this message]
2019-11-01 15:21   ` [dpdk-dev] [PATCH v6 " Vladimir Medvedkin
2019-11-05 23:14     ` Thomas Monjalon
2019-11-06  5:50       ` David Marchand
2019-11-06  7:50         ` Thomas Monjalon
2019-11-06 11:53           ` Medvedkin, Vladimir
2019-11-06 11:59             ` Thomas Monjalon
2019-11-06 14:37               ` Aaron Conole
2019-11-06 11:50         ` Medvedkin, Vladimir
2019-11-01 15:21   ` [dpdk-dev] [PATCH v6 01/12] rib: add RIB library Vladimir Medvedkin
2019-11-01 15:21   ` [dpdk-dev] [PATCH v6 02/12] test/rib: add RIB library autotests Vladimir Medvedkin
2019-11-01 15:21   ` [dpdk-dev] [PATCH v6 03/12] rib: add ipv6 support for RIB Vladimir Medvedkin
2019-11-01 15:21   ` [dpdk-dev] [PATCH v6 04/12] test/rib: add ipv6 support for RIB autotests Vladimir Medvedkin
2019-11-01 15:21   ` [dpdk-dev] [PATCH v6 05/12] fib: add FIB library Vladimir Medvedkin
2019-11-01 15:21   ` [dpdk-dev] [PATCH v6 06/12] fib: add FIB ipv6 support Vladimir Medvedkin
2019-11-01 15:21   ` [dpdk-dev] [PATCH v6 07/12] fib: add DIR24-8 dataplane algorithm Vladimir Medvedkin
2019-11-01 15:21   ` [dpdk-dev] [PATCH v6 08/12] fib: add dataplane algorithm for ipv6 Vladimir Medvedkin
2019-11-01 15:21   ` [dpdk-dev] [PATCH v6 09/12] test/fib: add FIB library autotests Vladimir Medvedkin
2019-11-01 15:21   ` [dpdk-dev] [PATCH v6 10/12] test/fib: add ipv6 support for FIB autotests Vladimir Medvedkin
2019-11-01 15:21   ` [dpdk-dev] [PATCH v6 11/12] test/fib: add FIB library performance autotests Vladimir Medvedkin
2019-11-01 15:21   ` [dpdk-dev] [PATCH v6 12/12] test/fib: add FIB library ipv6 " Vladimir Medvedkin
2019-09-11 17:09 ` [dpdk-dev] [PATCH v5 01/12] rib: add RIB library Vladimir Medvedkin
2019-09-11 17:09 ` [dpdk-dev] [PATCH v5 02/12] test/rib: add RIB library autotests Vladimir Medvedkin
2019-09-11 17:09 ` [dpdk-dev] [PATCH v5 03/12] rib: add ipv6 support for RIB Vladimir Medvedkin
2019-09-11 17:09 ` [dpdk-dev] [PATCH v5 04/12] test/rib: add ipv6 support for RIB autotests Vladimir Medvedkin
2019-09-11 17:09 ` [dpdk-dev] [PATCH v5 05/12] fib: add FIB library Vladimir Medvedkin
2019-09-11 17:09 ` [dpdk-dev] [PATCH v5 06/12] fib: add FIB ipv6 support Vladimir Medvedkin
2019-09-11 17:09 ` [dpdk-dev] [PATCH v5 07/12] fib: add DIR24-8 dataplane algorithm Vladimir Medvedkin
2019-09-11 17:09 ` [dpdk-dev] [PATCH v5 08/12] fib: add dataplane algorithm for ipv6 Vladimir Medvedkin
2019-09-11 17:09 ` [dpdk-dev] [PATCH v5 09/12] test/fib: add FIB library autotests Vladimir Medvedkin
2019-09-12 14:07   ` Aaron Conole
2019-10-01 17:12     ` Medvedkin, Vladimir
2019-10-24 15:55       ` Thomas Monjalon
2019-09-11 17:09 ` [dpdk-dev] [PATCH v5 10/12] test/fib: add ipv6 support for FIB autotests Vladimir Medvedkin
2019-09-11 17:09 ` [dpdk-dev] [PATCH v5 11/12] test/fib: add FIB library performance autotests Vladimir Medvedkin
2019-09-11 17:09 ` [dpdk-dev] [PATCH v5 12/12] test/fib: add FIB library ipv6 " Vladimir Medvedkin

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