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.
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