OpenWrt One - celebrating 20 years of OpenWrt

[Fernando Frediani]

Interesting they put IPv6 routing under the HW NAT section as things 
don't match. I guess maybe they want to mean support for NAT64 that same 
chip takes care of forwarding IPv6 packets as well as they do the NAT 
offload job when NAT44 or NAT64.

Therefore can I understand that although the FAQ mentions this project 
is not "A wired router achieving gigabit NAT speeds" with this feature 
on the chip that would be actually possible ?

Fernando

On 18/01/2024 16:16, Daniel Santos wrote:
> On 1/18/24 10:37, Chuanhong Guo wrote:
>> MT7981 is such a chip with NAT offload capability, and the
>> flow-offload driver mentioned in other threads is actually
>> a driver for this hardware block.
>> Since it's a cost-down MT7986 I would imagine this particular
>> feature is the same between them:
>>
>> HW NAT
>> − Etherent/WiFi
>> − Wired speed
>> − IPv4 routing, NAT, NAPT
>> − IPv6 routing, DS-Lite, 6RD
>
> I can't find an MT7981 / Filogic 820 datasheet anywhere, but 
> apparently MediaTek was nice enough to put out a public release for 
> the MT7986 / Filogic 820 for the Banana Pi R3. Anybody know what the 
> differences are? Could it just be quad vs dual core?
>
> I'm also wondering if MediaTek could be convinced to make a public 
> release of the MT7981B for this project.
>
> To work on any MediaTek SoCs, if feels like you have to be an expert 
> in all of them to know what microcode they're reusing for each 
> component (peripheral interfaces, etc.) from one chip to the next, and 
> thus the registers and behavior that had been previously published in 
> a some other programmer's manual. It's a strange world to me.
>
> Daniel
>
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