Thu, Aug 12, 2010 at 02:55:20PM CEST, shemminger@xxxxxxxxxx wrote:
>On Thu, 12 Aug 2010 14:48:48 +0200
>Jiri Pirko <jpirko@xxxxxxxxxx> wrote:
>
>> Thu, Aug 12, 2010 at 02:35:41PM CEST, shemminger@xxxxxxxxxx wrote:
>> >On Thu, 12 Aug 2010 13:15:24 +0200
>> >Jiri Pirko <jpirko@xxxxxxxxxx> wrote:
>> >
>> >> Wed, Aug 11, 2010 at 06:07:41PM CEST, shemminger@xxxxxxxxxx wrote:
>> >> >NO. unnecessary
>> >> >
>> >> >Already possible, without patch. Just set the hold time
>> >> >on the bridge to 0!
>> >>
>> >> Sorry, but could you please point me a sysfs node where should I do this
>> >> setting? Unable to find this.
>> >>
>> >> Thanks.
>> >>
>> >
>> >/sys/class/net/ethX/brport/hold_timer
>>
>> That's read-only:
>>
>> static BRPORT_ATTR(hold_timer, S_IRUGO, show_hold_timer, NULL);
>>
>
>Guess you have to use ioctl() interface to change it for now.
>Looks like a missed opportunity when sysfs support was added.
>There are some other values like forward_delay that have same problem.
Oh you mislead me. It's not hold_timer but hold_time function:
static inline unsigned long hold_time(const struct net_bridge *br)
{
return br->topology_change ? br->forward_delay : br->ageing_time;
}
called from br_fdb_update().
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