From: Roopa Prabhu <roopa@cumulusnetworks•com>
To: Jamal Hadi Salim <jhs@mojatatu•com>
Cc: Scott Feldman <sfeldma@gmail•com>, Jiri Pirko <jiri@resnulli•us>,
Netdev <netdev@vger•kernel.org>,
"David S. Miller" <davem@davemloft•net>,
"nhorman@tuxdriver•com" <nhorman@tuxdriver•com>,
Andy Gospodarek <andy@greyhouse•net>, Thomas Graf <tgraf@suug•ch>,
"dborkman@redhat•com" <dborkman@redhat•com>,
"ogerlitz@mellanox•com" <ogerlitz@mellanox•com>,
"jesse@nicira•com" <jesse@nicira•com>,
"pshelar@nicira•com" <pshelar@nicira•com>,
"azhou@nicira•com" <azhou@nicira•com>,
"ben@decadent•org.uk" <ben@decadent•org.uk>,
"stephen@networkplumber•org" <stephen@networkplumber•org>,
"Kirsher, Jeffrey T" <jeffrey.t.kirsher@intel•com>,
"vyasevic@redhat•com" <vyasevic@redhat•com>,
Cong Wang <xiyou.wangcong@gmail•com>,
"Fastabend, John R" <john.r.fastabend@intel•com>,
Eric Dumazet <edumazet@google•com>,
Florian Fainelli <f.fainelli@gmail•com>,
John Linville <linville@tuxdriver•com>,
Subject: Re: [patch net-next v3 08/17] bridge: call netdev_sw_port_stp_update when bridge port STP status changes
Date: Fri, 28 Nov 2014 08:23:32 -0800 [thread overview]
Message-ID: <5478A184.90405@cumulusnetworks.com> (raw)
In-Reply-To: <547875F1.9080204@mojatatu.com>
On 11/28/14, 5:17 AM, Jamal Hadi Salim wrote:
> On 11/28/14 05:51, Scott Feldman wrote:
>> On Fri, Nov 28, 2014 at 2:05 AM, Roopa Prabhu
>> <roopa@cumulusnetworks•com> wrote:
>>> On 11/25/14, 5:35 PM, Scott Feldman wrote:
>>>>
>>>> The
>>>> bridge driver or external STP process (msptd) is still controlling STP
>>>> state for the port and processing the BPDUs. When the state changes
>>>> on the port, the bridge driver is letting HW know, that's it.
>>>
>>>
>>> I understand that. In which case, we should not call it stp state.
>>> It is just port state.
>>
>> Sure, call it port state but it takes on BR_STATE_xxx values which
>> just so happen to correspond exactly to STP states.
>>
>>> And since it is yet another port attribute like port
>>> priority,
>>> we should be able to use the same api to offload it to hw just like the
>>> other port attributes.
>>
>> Well it does...see ndo_bridge_setlink in bridge driver, br_setport
>> where IFLA_BRPORT_STATE is handled...it calls br_set_port_state(),
>> which calls into the swdev port driver. That's for the case where
>> user or external processing is setting STP state. For the case where
>> the bridge itself is managing the STP state, the bridge will make the
>> same br_set_port_state() call to adjust the port state.
>>
>
> What Roopa is requesting for if i am not mistaken is the same issue i
> raised earlier as well. We need an opaque way to set and get these
> attributes. We cant afford an ndo ops per bridge or the next thing.
> Its a port level issue - what it is depends on what the underlying
> hardware does.
yep, Ack...
next prev parent reply other threads:[~2014-11-28 16:23 UTC|newest]
Thread overview: 148+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-25 10:28 [patch net-next v3 00/17] introduce rocker switch driver with hardware accelerated datapath api - phase 1: bridge fdb offload Jiri Pirko
2014-11-25 10:28 ` [patch net-next v3 01/17] bridge: rename fdb_*_hw to fdb_*_hw_addr to avoid confusion Jiri Pirko
2014-11-25 15:03 ` Andy Gospodarek
2014-11-25 15:26 ` Jamal Hadi Salim
2014-11-25 22:11 ` Thomas Graf
2014-11-25 22:33 ` Florian Fainelli
2014-11-25 10:28 ` [patch net-next v3 02/17] net: make vid as a parameter for ndo_fdb_add/ndo_fdb_del Jiri Pirko
2014-11-25 15:13 ` Andy Gospodarek
2014-11-25 15:18 ` Jiri Pirko
2014-11-25 15:43 ` John Fastabend
2014-11-25 16:38 ` Jiri Pirko
2014-12-09 11:57 ` Or Gerlitz
2014-11-25 15:38 ` Jamal Hadi Salim
2014-11-25 16:01 ` John Fastabend
2014-11-25 16:18 ` Jamal Hadi Salim
2014-11-25 16:30 ` John Fastabend
2014-11-25 16:50 ` Jamal Hadi Salim
2014-11-26 1:44 ` Simon Horman
2014-11-26 2:36 ` Scott Feldman
2014-11-26 3:19 ` Jamal Hadi Salim
2014-11-26 3:59 ` Scott Feldman
2014-11-26 11:28 ` Jamal Hadi Salim
2014-11-26 11:40 ` Jiri Pirko
2014-11-26 11:54 ` Jamal Hadi Salim
2014-11-26 12:06 ` Jamal Hadi Salim
2014-11-27 6:50 ` Scott Feldman
2014-11-27 12:14 ` Jamal Hadi Salim
2014-11-27 20:59 ` Scott Feldman
2014-11-27 21:55 ` Jiri Pirko
2014-11-28 12:57 ` Jamal Hadi Salim
2014-11-28 10:14 ` Roopa Prabhu
2014-11-28 10:33 ` Scott Feldman
2014-11-25 16:19 ` Roopa Prabhu
2014-11-25 16:33 ` John Fastabend
2014-11-25 16:57 ` Jamal Hadi Salim
2014-11-25 16:43 ` Jiri Pirko
2014-11-25 18:53 ` Samudrala, Sridhar
2014-11-25 20:40 ` Jiri Pirko
2014-11-25 22:14 ` Thomas Graf
2014-11-25 22:39 ` Florian Fainelli
2014-11-25 23:11 ` Thomas Graf
2014-11-26 7:54 ` Jiri Pirko
2014-11-25 10:28 ` [patch net-next v3 03/17] net: rename netdev_phys_port_id to more generic name Jiri Pirko
2014-11-25 15:15 ` Andy Gospodarek
2014-11-25 15:44 ` Jamal Hadi Salim
2014-11-25 10:28 ` [patch net-next v3 04/17] net: introduce generic switch devices support Jiri Pirko
2014-11-25 15:02 ` Andy Gospodarek
2014-11-25 15:51 ` Jamal Hadi Salim
2014-11-25 16:49 ` Jiri Pirko
2014-11-25 17:08 ` Jamal Hadi Salim
2014-11-25 21:54 ` Thomas Graf
2014-11-26 3:33 ` Jamal Hadi Salim
2014-11-26 4:18 ` Scott Feldman
2014-11-26 11:36 ` Jamal Hadi Salim
2014-11-26 16:08 ` Thomas Graf
2014-11-26 17:09 ` Jamal Hadi Salim
2014-11-26 17:59 ` Jiri Pirko
2014-11-26 21:50 ` Thomas Graf
2014-11-26 23:32 ` Jamal Hadi Salim
2014-11-27 13:03 ` Thomas Graf
2014-11-27 13:32 ` Jamal Hadi Salim
2014-11-27 13:50 ` Jiri Pirko
2014-11-28 13:13 ` Jamal Hadi Salim
2014-11-27 5:58 ` Scott Feldman
2014-11-27 12:46 ` Jamal Hadi Salim
2014-11-27 3:13 ` Simon Horman
2014-11-27 12:35 ` Jamal Hadi Salim
2014-11-25 16:07 ` Roopa Prabhu
2014-11-25 16:50 ` Jiri Pirko
2014-11-25 10:28 ` [patch net-next v3 05/17] rtnl: expose physical switch id for particular device Jiri Pirko
2014-11-25 15:16 ` Andy Gospodarek
2014-11-25 10:28 ` [patch net-next v3 06/17] net-sysfs: " Jiri Pirko
2014-11-25 15:28 ` Andy Gospodarek
2014-11-25 15:53 ` Jamal Hadi Salim
2014-11-25 22:27 ` Florian Fainelli
2014-11-25 10:28 ` [patch net-next v3 07/17] rocker: introduce rocker switch driver Jiri Pirko
2014-11-25 15:57 ` Jamal Hadi Salim
2014-11-25 16:57 ` Jiri Pirko
2014-11-25 17:10 ` David Miller
2014-11-25 17:15 ` Jiri Pirko
2014-11-25 17:15 ` Jamal Hadi Salim
2014-11-25 17:51 ` Andy Gospodarek
2014-11-25 16:13 ` David Laight
2014-11-25 19:19 ` Scott Feldman
2014-11-25 21:57 ` tgraf
2014-11-25 10:28 ` [patch net-next v3 08/17] bridge: call netdev_sw_port_stp_update when bridge port STP status changes Jiri Pirko
2014-11-25 15:58 ` Andy Gospodarek
2014-11-25 16:53 ` Jiri Pirko
2014-11-25 22:18 ` Thomas Graf
2014-11-25 22:20 ` Florian Fainelli
2014-11-25 22:48 ` Roopa Prabhu
2014-11-26 1:35 ` Scott Feldman
2014-11-28 10:05 ` Roopa Prabhu
2014-11-28 10:51 ` Scott Feldman
2014-11-28 13:17 ` Jamal Hadi Salim
2014-11-28 13:27 ` Jiri Pirko
2014-11-28 16:23 ` Roopa Prabhu [this message]
2014-11-25 10:28 ` [patch net-next v3 09/17] bridge: add API to notify bridge driver of learned FBD on offloaded device Jiri Pirko
2014-11-25 16:01 ` Jamal Hadi Salim
2014-11-25 16:38 ` Andy Gospodarek
2014-11-25 22:36 ` Thomas Graf
2014-11-26 1:48 ` Scott Feldman
2014-11-26 10:26 ` Jiri Pirko
2014-11-25 22:44 ` Florian Fainelli
2014-11-26 2:03 ` Scott Feldman
2014-11-26 2:34 ` Florian Fainelli
2014-11-26 2:40 ` Scott Feldman
2014-11-26 8:16 ` Jiri Pirko
2014-11-26 3:22 ` Jamal Hadi Salim
2014-11-25 10:28 ` [patch net-next v3 10/17] rocker: implement rocker ofdpa flow table manipulation Jiri Pirko
2014-11-25 16:03 ` Jamal Hadi Salim
2014-11-25 10:28 ` [patch net-next v3 11/17] rocker: implement L2 bridge offloading Jiri Pirko
2014-11-25 16:04 ` Jamal Hadi Salim
2014-11-25 17:11 ` David Miller
2014-11-25 10:28 ` [patch net-next v3 12/17] rocker: implement ndo_fdb_dump Jiri Pirko
2014-11-25 16:04 ` Jamal Hadi Salim
2014-11-25 10:28 ` [patch net-next v3 13/17] bridge: move private brport flags to if_bridge.h so port drivers can use flags Jiri Pirko
2014-11-25 16:01 ` Andy Gospodarek
2014-11-25 16:05 ` Jamal Hadi Salim
2014-11-25 22:20 ` Florian Fainelli
2014-11-25 22:48 ` Thomas Graf
2014-11-26 12:12 ` Jiri Pirko
2014-11-25 10:28 ` [patch net-next v3 14/17] bridge: add new brport flag LEARNING_SYNC Jiri Pirko
2014-11-25 16:05 ` Roopa Prabhu
2014-11-25 16:06 ` Jamal Hadi Salim
2014-11-25 16:40 ` Andy Gospodarek
2014-11-25 10:28 ` [patch net-next v3 15/17] bridge: add new hwmode swdev Jiri Pirko
2014-11-25 16:03 ` Roopa Prabhu
2014-11-25 16:17 ` Andy Gospodarek
2014-11-25 22:56 ` Thomas Graf
2014-11-25 16:07 ` Jamal Hadi Salim
2014-11-25 23:00 ` Thomas Graf
2014-11-25 10:28 ` [patch net-next v3 16/17] bridge: add brport flags to dflt bridge_getlink Jiri Pirko
2014-11-25 16:08 ` Jamal Hadi Salim
2014-11-25 17:02 ` Scott Feldman
2014-11-25 17:48 ` Andy Gospodarek
2014-11-25 22:07 ` Thomas Graf
2014-11-26 9:25 ` Jiri Pirko
2014-11-26 10:48 ` Thomas Graf
2014-11-25 10:28 ` [patch net-next v3 17/17] rocker: add ndo_bridge_setlnk/getlink support for learning policy Jiri Pirko
2014-11-25 16:09 ` Jamal Hadi Salim
2014-11-25 18:55 ` Scott Feldman
2014-11-25 19:00 ` Jamal Hadi Salim
2014-11-25 20:42 ` Jiri Pirko
2014-11-26 11:07 ` Thomas Graf
2014-11-26 11:27 ` Jiri Pirko
2014-11-26 11:30 ` Thomas Graf
2014-11-26 11:42 ` Jiri Pirko
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