From: Jamal Hadi Salim <jhs@mojatatu.com>
To: Florian Fainelli <f.fainelli@gmail.com>
Cc: Jiri Pirko <jiri@resnulli.us>,
Roopa Prabhu <roopa@cumulusnetworks.com>,
Neil Horman <nhorman@tuxdriver.com>, Thomas Graf <tgraf@suug.ch>,
netdev <netdev@vger.kernel.org>,
David Miller <davem@davemloft.net>,
Andy Gospodarek <andy@greyhouse.net>,
dborkman <dborkman@redhat.com>, ogerlitz <ogerlitz@mellanox.com>,
jesse <jesse@nicira.com>, pshelar <pshelar@nicira.com>,
azhou <azhou@nicira.com>, Ben Hutchings <ben@decadent.org.uk>,
Stephen Hemminger <stephen@networkplumber.org>,
jeffrey.t.kirsher@intel.com, vyasevic <vyasevic@redhat.com>,
Cong Wang <xiyou.wangcong@gmail.com>,
John Fastabend <john.r.fastabend@intel.com>,
Eric Dumazet <edumazet@google.com>,
Scott Feldman <sfeldma@cumulusnetworks.com>,
Lennert Buytenhek <buytenh@wantstofly.org>,
Shrijeet Mukherjee <shm@cumulusnetworks.com>,
Felix Fietkau <nbd@openwrt.org>
Subject: Re: [patch net-next RFC 0/4] introduce infrastructure for support of switch chip datapath
Date: Wed, 26 Mar 2014 18:53:51 -0400 [thread overview]
Message-ID: <53335A7F.8010801@mojatatu.com> (raw)
In-Reply-To: <CAGVrzcaconDBjgSfk0=6px2+6LbrxMkmesgigSa3-9WaK-LiOw@mail.gmail.com>
On 03/26/14 18:22, Florian Fainelli wrote:
> 2014-03-26 14:51 GMT-07:00 Jamal Hadi Salim <jhs@mojatatu.com>:
>
> eth0 corresponds to a CPU Ethernet MAC facing e.g: sw1p3 switch port.
> It is "regular" Ethernet driver connected to the switch without
> switch-specific logic. The goal is twofold:
>
> - allow any regular Ethernet driver to be connected to an external
> switch via e.g: MDIO/MDC or other without specific switch knowledge
> - represents accurately how the hardware is designed/connected
>
Gah. Sorry - I missed the MII interface.
In such a case as shown here then, how do you control sw1p0-3?
> but maybe, we can simplify and have e.g: sw1p3 and eth0 be the same interface...
It sounds to me the CPU side is only a driver for sw1p3.
>>
>> Note: even the high end chips tend to have the concept of a "cpu port"
>> but my experience is to hide that as part of the switch driver.
Note: the high end devices "cpu ports" are accessible typically
via PCIE interfaces for control and some DMA for data activity.
cheers,
jamal
next prev parent reply other threads:[~2014-03-26 22:53 UTC|newest]
Thread overview: 125+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-19 15:33 [patch net-next RFC 0/4] introduce infrastructure for support of switch chip datapath Jiri Pirko
2014-03-19 15:33 ` [patch net-next RFC 1/4] openvswitch: split flow structures into ovs specific and generic ones Jiri Pirko
2014-03-20 13:04 ` Thomas Graf
2014-03-19 15:33 ` [patch net-next RFC 2/4] net: introduce switchdev API Jiri Pirko
2014-03-20 13:59 ` Thomas Graf
2014-03-20 14:18 ` Jiri Pirko
2014-03-20 14:43 ` Nikolay Aleksandrov
2014-03-20 15:42 ` Jiri Pirko
2014-03-19 15:33 ` [patch net-next RFC 3/4] openvswitch: Introduce support for switchdev based datapath Jiri Pirko
2014-03-19 15:33 ` [patch net-next RFC 4/4] net: introduce dummy switch Jiri Pirko
2014-03-20 11:49 ` [patch net-next RFC 0/4] introduce infrastructure for support of switch chip datapath Jamal Hadi Salim
2014-03-20 12:40 ` Jiri Pirko
2014-03-20 17:21 ` Florian Fainelli
2014-03-21 12:04 ` Jamal Hadi Salim
2014-03-22 9:48 ` Jiri Pirko
2014-03-24 23:07 ` Jamal Hadi Salim
2014-03-25 17:39 ` Neil Horman
2014-03-25 18:00 ` Thomas Graf
2014-03-25 19:35 ` Neil Horman
2014-03-25 20:11 ` Florian Fainelli
2014-03-25 20:31 ` Neil Horman
2014-03-25 21:22 ` Jamal Hadi Salim
2014-03-25 21:26 ` Thomas Graf
2014-03-25 21:42 ` Florian Fainelli
2014-03-25 21:54 ` Thomas Graf
2014-03-26 10:55 ` Neil Horman
2014-03-26 5:37 ` Roopa Prabhu
2014-03-26 10:54 ` Jamal Hadi Salim
2014-03-26 15:31 ` John W. Linville
2014-03-26 16:54 ` Roopa Prabhu
2014-03-26 16:59 ` Jiri Pirko
2014-03-26 17:29 ` Florian Fainelli
2014-03-26 17:35 ` Jiri Pirko
2014-03-26 17:58 ` Florian Fainelli
2014-03-26 18:14 ` Jiri Pirko
2014-03-26 18:29 ` Hannes Frederic Sowa
2014-03-26 18:30 ` Florian Fainelli
2014-03-26 21:51 ` Jamal Hadi Salim
2014-03-26 22:22 ` Florian Fainelli
2014-03-26 22:53 ` Jamal Hadi Salim [this message]
2014-03-26 23:16 ` Florian Fainelli
2014-03-27 6:56 ` Jiri Pirko
2014-03-27 10:39 ` Jamal Hadi Salim
2014-03-27 10:50 ` Jiri Pirko
2014-03-27 11:12 ` Jamal Hadi Salim
2014-03-27 11:16 ` Jiri Pirko
2014-03-27 14:10 ` Sergey Ryazanov
2014-03-27 16:41 ` Florian Fainelli
2014-03-27 16:57 ` Jiri Pirko
2014-03-27 16:59 ` Thomas Graf
2014-03-27 20:32 ` Sergey Ryazanov
2014-03-27 21:20 ` Florian Fainelli
2014-03-27 21:55 ` Jamal Hadi Salim
2014-03-28 6:28 ` Jiri Pirko
2014-03-30 12:08 ` Alon Harel
2014-03-27 21:41 ` Jamal Hadi Salim
2014-03-27 16:55 ` Jiri Pirko
2014-03-27 19:58 ` Sergey Ryazanov
2014-03-27 20:01 ` Florian Fainelli
2014-03-27 20:04 ` Sergey Ryazanov
2014-03-27 21:47 ` Jamal Hadi Salim
2014-03-27 21:54 ` Florian Fainelli
2014-03-27 21:59 ` Jamal Hadi Salim
2014-03-27 22:19 ` Florian Fainelli
2014-03-27 23:42 ` Thomas Graf
2014-03-27 23:46 ` Florian Fainelli
2014-03-26 17:57 ` Roopa Prabhu
2014-03-26 18:09 ` Florian Fainelli
2014-03-27 13:46 ` John W. Linville
2014-03-26 17:47 ` Roopa Prabhu
2014-03-26 18:03 ` Jiri Pirko
2014-03-26 21:27 ` Roopa Prabhu
2014-03-26 21:31 ` Jiri Pirko
2014-03-27 15:35 ` Roopa Prabhu
2014-03-27 16:10 ` Jiri Pirko
2014-04-01 19:13 ` Scott Feldman
2014-04-02 6:41 ` Jiri Pirko
2014-04-02 15:37 ` Scott Feldman
2014-04-02 14:32 ` Andy Gospodarek
2014-04-02 15:25 ` John W. Linville
2014-04-02 16:15 ` Scott Feldman
2014-04-02 16:47 ` Florian Fainelli
2014-04-02 21:52 ` Thomas Graf
2014-04-02 19:29 ` John W. Linville
2014-04-02 19:54 ` Scott Feldman
2014-04-02 20:06 ` John W. Linville
2014-04-02 20:04 ` Stephen Hemminger
2014-04-02 20:23 ` Jiri Pirko
2014-04-02 20:38 ` John W. Linville
2014-04-02 21:36 ` Thomas Graf
2014-03-25 20:56 ` Jamal Hadi Salim
2014-03-25 21:19 ` Thomas Graf
2014-03-25 21:24 ` Jamal Hadi Salim
2014-03-26 7:21 ` Jiri Pirko
2014-03-26 11:00 ` Jamal Hadi Salim
2014-03-26 11:06 ` Jamal Hadi Salim
2014-03-26 11:31 ` Jamal Hadi Salim
2014-03-26 13:20 ` Jiri Pirko
2014-03-26 13:23 ` Jamal Hadi Salim
2014-03-26 13:17 ` Jiri Pirko
2014-03-26 11:10 ` Neil Horman
2014-03-26 11:29 ` Thomas Graf
2014-03-26 12:58 ` Jamal Hadi Salim
2014-03-26 15:22 ` John W. Linville
2014-03-26 21:36 ` Jamal Hadi Salim
2014-03-26 18:21 ` Neil Horman
2014-03-26 19:11 ` Florian Fainelli
2014-03-26 22:44 ` Jamal Hadi Salim
2014-03-26 23:15 ` Thomas Graf
2014-03-26 23:21 ` Florian Fainelli
2014-03-27 15:26 ` Neil Horman
2014-03-27 21:33 ` Jamal Hadi Salim
2014-03-26 19:24 ` Hannes Frederic Sowa
2014-03-27 13:43 ` John W. Linville
2014-03-26 12:19 ` Jamal Hadi Salim
2014-03-26 15:27 ` John W. Linville
2014-03-25 18:33 ` Florian Fainelli
2014-03-25 19:40 ` Neil Horman
2014-03-25 20:00 ` Florian Fainelli
2014-03-25 21:39 ` tgraf
2014-03-25 22:08 ` Jamal Hadi Salim
2014-03-26 5:48 ` Roopa Prabhu
2014-03-25 20:46 ` Jamal Hadi Salim
2014-03-26 7:24 ` Jiri Pirko
2014-03-22 9:40 ` Jiri Pirko
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