From: roopa <roopa@cumulusnetworks.com>
To: Scott Feldman <sfeldma@gmail.com>
Cc: Netdev <netdev@vger.kernel.org>,
"David S. Miller" <davem@davemloft.net>,
"Jiří Pírko" <jiri@resnulli.us>
Subject: Re: [PATCH net-next v2 4/4] switchdev: don't support custom ip rules, for now
Date: Mon, 02 Mar 2015 11:09:32 -0800 [thread overview]
Message-ID: <54F4B56C.5040709@cumulusnetworks.com> (raw)
In-Reply-To: <CAE4R7bALEVb1reyCzfXXi=ifv97jy14ozQuxnG6x9BWmWX10Hg@mail.gmail.com>
On 3/2/15, 9:00 AM, Scott Feldman wrote:
> On Mon, Mar 2, 2015 at 6:36 AM, roopa <roopa@cumulusnetworks.com> wrote:
>> On 3/2/15, 2:06 AM, sfeldma@gmail.com wrote:
>>> From: Scott Feldman <sfeldma@gmail.com>
>>>
>>> Keep switchdev FIB offload model simple for now and don't allow custom ip
>>> rules.
>>>
>>> Signed-off-by: Scott Feldman <sfeldma@gmail.com>
>>
>> I don't see a need to do this. And seems very aggressive.
>> Also, note that the rules in a system can be on non-hw accelerated ports.
> It is aggressive but it's the safest choice for the first pass on this
> L3 offload. Without, switchdev has no way to model custom ip rules
> down to hardware. Let's start with this aggressive case, and that'll
> force us to work on relaxing it.
>
>
But, this will not allow hw acceleration of routes even if you had a
rule for the management traffic for example.
next prev parent reply other threads:[~2015-03-02 19:09 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-02 10:06 [PATCH net-next v2 0/4] switchdev: add IPv4 routing offload sfeldma
2015-03-02 10:06 ` [PATCH net-next v2 1/4] rtnetlink: add RTNH_F_EXTERNAL flag for fib offload sfeldma
2015-03-02 10:06 ` [PATCH net-next v2 2/4] net: add IPv4 routing FIB support for switchdev sfeldma
2015-03-02 14:30 ` roopa
2015-03-02 17:10 ` Scott Feldman
2015-03-02 19:24 ` roopa
2015-03-02 22:27 ` Samudrala, Sridhar
2015-03-02 22:31 ` David Miller
2015-03-02 10:06 ` [PATCH net-next v2 3/4] rocker: implement IPv4 fib offloading sfeldma
2015-03-02 10:06 ` [PATCH net-next v2 4/4] switchdev: don't support custom ip rules, for now sfeldma
2015-03-02 14:36 ` roopa
2015-03-02 17:00 ` Scott Feldman
2015-03-02 19:09 ` roopa [this message]
2015-03-02 20:40 ` David Miller
2015-03-02 20:30 ` David Miller
2015-03-02 20:10 ` David Miller
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