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Date:      Thu, 16 Apr 2020 09:44:52 +0200
From:      "Kristof Provost" <kp@FreeBSD.org>
To:        "Mark Saad" <nonesuch@longcount.org>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: CFT: if_bridge performance improvements
Message-ID:  <26AE78A9-551E-4118-9955-DABD9745B380@FreeBSD.org>
In-Reply-To: <467E538C-05C3-45B7-935B-FB20F6E20B01@longcount.org>
References:  <0C115843-FB05-40D7-B1D7-F9B7842E9B54@FreeBSD.org> <467E538C-05C3-45B7-935B-FB20F6E20B01@longcount.org>

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Hi Mark,

I wouldn’t expect these changes to make a difference in the 
performance of this setup.
My work mostly affects setups with multi-core systems that see a lot of 
traffic. Even before these changes I’d expect the if_bridge code to 
saturate a wifi link easily.

I also wouldn’t expect ng_bridge vs. if_bridge to make a significant 
difference in wifi features.

Best regards,
Kristof

On 16 Apr 2020, at 3:56, Mark Saad wrote:

> Kristof
>   Up until a month ago I ran a set of FreeBSD based ap in my house and 
> even long ago at work . They were Pc engines apu ‘s or Alix’s with 
> one em/igb nic and one ath nic in a bridge .  They worked well for a 
> long time however the need for more robust wifi setup caused me to 
> swap them  out with cots aps from tp-link .  The major issues were the 
> lack of WiFi features and standards that work oob on Linux based aps .
>
> So I always wanted to experiment with ng_bridge vs if_bridge for the 
> same task . But I never got around to it . Do you have any insight 
> into using one vs the other . Imho if_bridge is easier to setup and 
> get working .
>
>
> ---
> Mark Saad | nonesuch@longcount.org
>
>> On Apr 15, 2020, at 1:37 PM, Kristof Provost <kp@freebsd.org> wrote:
>>
>> On 15 Apr 2020, at 19:16, Mark Saad wrote:
>>> All
>>>   Should this improve wifi to wired bridges in some way ? Has this 
>>> been tested ?
>>>
>> What sort of setup do you have to bridge wired and wireless? Is the 
>> FreeBSD box also a wifi AP?
>>
>> I’ve not done any tests involving wifi.
>>
>> Best regards,
>> Kristof



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