linux-kernel - Re: [PATCH] usb: gadget: rndis: add multi packages support for rndis

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Date: Tue, 26 Mar 2024 10:34:35 +0100
From: Greg KH <gregkh@...uxfoundation.org>
To: Surong Pang <surong.pang@...soc.com>
Cc: linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	Orson.Zhai@...soc.com, Zhiyong.liu@...soc.com,
	Surong.Pang@...il.com
Subject: Re: [PATCH] usb: gadget: rndis: add multi packages support for rndis

On Wed, Mar 06, 2024 at 01:49:49PM +0800, Surong Pang wrote:
> As ncm, aggergate multi skb packages and transfer them at one URB.
> In USB2.0, the network throughput can be improved from about 18MB/S
> to 35MB/S.

Why is rndis still being used?  It's an insecure and obsolete protocol
that should not be used at all anywhere.  I keep trying to delete it
entirely, but need to go and write an active exploit to prove to people
just how bad it really is before I can do so...

Adding more functionality to it is not a good idea, what is wrong with
the other, built-in, networking protocols instead?  Why are you using
this old one still when there are so many better options out there?

thanks,

greg k-h