RE: [PATCH net-next 5/5] r8169: support RTL8411

From: hayeswang
Date: Tue Mar 27 2012 - 22:52:46 EST


Francois Romieu [mailto:romieu@xxxxxxxxxxxxx]
[...]
> > @@ -250,6 +252,9 @@ static const struct {
> >
> JUMBO_9K, false),
> > [RTL_GIGA_MAC_VER_37] =
> > _R("RTL8402", RTL_TD_1, FIRMWARE_8402_1,
> > + JUMBO_1K, true),
> > + [RTL_GIGA_MAC_VER_38] =
> > + _R("RTL8411", RTL_TD_1, FIRMWARE_8411_1,
> > JUMBO_1K, true)
>
> Realtek's product page documents this chipset as a gigabit
> one. It seems
> strange to configure it as a jumbo packet unable one.
>

It is my mistake. I would fix it.

[...]
> "The RTL8411 supports Receive Side Scaling (RSS) to hash incoming TCP
> connections and load-balance received data processing across
> multiple CPUs.
> RSS improves the number of transactions per second and number
> of connections
> per second, for increased network throughput. Header Data
> Split (HDS) support
> enables faster processing of TCP/IP networking protocols for
> improved network
> performance.
>
> Virtual Machine Queue (VMQ) is a hardware virtualization
> technology for the
> efficient transfer of network traffic to a virtualized host
> OS. VMQ uses
> hardware packets filtering to deliver packet data from an
> external virtual
> machine network directly to virtual machines, which reduces
> the overhead of
> routing packets and copying them from the management
> operating system to the
> virtual machine.
>
> Note: RTL8411 Virtual Machine Queue (VMQ) is only functional
> in computers
> running Windows Server 2008 R2 with the Hyper-V server role
> installed."
>
> Will Realtek consider helping make those being available on Linux ?
>

I don't have the documents about these. I need more information from the other
engineers, and I have to discuss with my leader. Maybe I could research the
possibility when I have more time.

Best Regards,
Hayes

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