[Bridge] brctl masking interrupts ?

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Hi all,

I recently discovered that when I am using brctl in my product, I got some troubles with a driver which need to quickly handle interrupts. Brct seems to "mask interrupts" for long time - more than 6 ms  - when there is ethernet traffic in it.

I also noticed that there is a lot of messages on the console when there is trafic in the bridge.Here a sample of messages :

...
PROTO=17 192.168.0.43:137 192.168.0.255:137 L=78 S=0x00 I=387 F=0x0000 T=128
nf_hook: hook 1 already set.
skb: pf=2 (unowned) dev=br0 len=78
PROTO=17 192.168.0.43:137 192.168.0.255:137 L=78 S=0x00 I=387 F=0x0000 T=128
...

Maybe these two things are linked ?

These messages are quite boring but this is not my real problem. My problem is the enormous interrupt latency that brctl bring in my product.

My product runs with a linux 2.4.27 for arm. 

Is what happens in my product normal ?
Is there any magical patch for my problem ?

Thanks all,

bye.

Irénée B.
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