netdev - Re: [net-next RFC PATCH 00/13] net: hsr: Add PRP driver

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Date:   Tue, 26 May 2020 11:09:37 -0700
From:   Vinicius Costa Gomes <vinicius.gomes@...el.com>
To:     Vladimir Oltean <olteanv@...il.com>
Cc:     Murali Karicheri <m-karicheri2@...com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        netdev <netdev@...r.kernel.org>,
        lkml <linux-kernel@...r.kernel.org>, linux-api@...r.kernel.org,
        Sekhar Nori <nsekhar@...com>,
        Grygorii Strashko <grygorii.strashko@...com>
Subject: Re: [net-next RFC PATCH 00/13] net: hsr: Add PRP driver

Hi Vladimir,

Vladimir Oltean <olteanv@...il.com> writes:
>>
>> I don't really like these prefixes, I am thinking of when support for
>> IEEE 802.1CB is added, do we rename this to "hsr_prp_frer"?
>>
>> And it gets even more complicated, and using 802.1CB you can configure
>> the tagging method and the stream identification function so a system
>> can interoperate in a HSR or PRP network.
>>
>
> Is it a given that 802.1CB in Linux should be implemented using an hsr
> upper device?

What I was trying to express is the idea of using "hsr" as the directory
name/prefix for all the features that deal with frame replication for
reliability, including 802.1CB. At least until we find a better name.

> 802.1CB is _much_ more flexible than both HSR and PRP. You can have
> more than 2 ports, you can have per-stream rules (each stream has its
> own sequence number), and those rules can identify the source, the
> destination, or both the source and the destination.

Same understanding here.


Cheers,
-- 
Vinicius