Sat, Oct 10, 2015 at 04:53:52AM CEST, sfel...@gmail.com wrote:
>On Thu, Oct 8, 2015 at 9:38 PM, Premkumar Jonnala <pjonn...@broadcom.com> 
>wrote:
>>
>>
>>> -----Original Message-----
>>> From: sfel...@gmail.com [mailto:sfel...@gmail.com]
>>> Sent: Friday, October 09, 2015 7:53 AM
>>> To: netdev@vger.kernel.org
>>> Cc: da...@davemloft.net; j...@resnulli.us; siva.mannem....@gmail.com;
>>> Premkumar Jonnala; step...@networkplumber.org;
>>> ro...@cumulusnetworks.com; and...@lunn.ch; f.faine...@gmail.com;
>>> vivien.dide...@savoirfairelinux.com
>>> Subject: [PATCH net-next v3 3/4] bridge: push bridge setting ageing_time 
>>> down
>>> to switchdev
>>>
>>> From: Scott Feldman <sfel...@gmail.com>
>>>
>>> Use SWITCHDEV_F_SKIP_EOPNOTSUPP to skip over ports in bridge that don't
>>> support setting ageing_time (or setting bridge attrs in general).
>>>
>>> If push fails, don't update ageing_time in bridge and return err to user.
>>>
>>> If push succeeds, update ageing_time in bridge and run gc_timer now to
>>> recalabrate when to run gc_timer next, based on new ageing_time.
>>>
>>> Signed-off-by: Scott Feldman <sfel...@gmail.com>
>>> Signed-off-by: Jiri Pirko <j...@resnulli.us>
>
><snip>
>
>>> +int br_set_ageing_time(struct net_bridge *br, u32 ageing_time)
>>> +{
>>> +     struct switchdev_attr attr = {
>>> +             .id = SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,
>>> +             .flags = SWITCHDEV_F_SKIP_EOPNOTSUPP,
>>> +             .u.ageing_time = ageing_time,
>>> +     };
>>> +     unsigned long t = clock_t_to_jiffies(ageing_time);
>>> +     int err;
>>> +
>>> +     if (t < BR_MIN_AGEING_TIME || t > BR_MAX_AGEING_TIME)
>>> +             return -ERANGE;
>>> +
>>> +     err = switchdev_port_attr_set(br->dev, &attr);
>>
>> A thought - given that the ageing time is not a per-bridge-port attr, why 
>> are we using a "port based api"
>> to pass the attribute down?  May be I'm missing something here?
>
>I think Florian raised the same point earlier.  Sigh, I think this
>should be addressed....v4 coming soon...thanks guys for keeping the
>standard high.

Scott, can you tell us how do you want to address this? I like the
current implementation.
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