Support for RTL8153 (USB 3.0 Ethernet)

[Hans Petter Selasky]

On 03/19/15 19:02, Miguel Clara wrote:
> On quinta-feira, 19 de Março de 2015 08:10:35 WET, Miltiadis Margaronis
> wrote:
>> Hi,
>>
>> In my case it worked as a normal Ethernet CDC device using the second
>> configuration. If you still happen to have this device around, you can
>> try
>>
>> usbconfig -d ugenX.Y set_config 1
>>
>> After entering this, I got a normal ueX device which worked for the
>> short time I used it.
>>
>> Please cc me, I am not subscribed.
>>
>> HTH,
>
> This is cool, I have "dodocool" around which I wasn't use much more than
> for a usb SWITCH, but I have an Acer Laptop with wireless only, and I
> didn't know I could use ue driver for this (I never really tried but its
> sure nice to know).
>
> The only issue I find is that it seems to topspeed a bit higher then
> 100Mbps
>
> Client connecting to yoda, TCP port 5001
> TCP window size: 32.5 KByte (default)
> ------------------------------------------------------------
> [  3] local 1.1.1.1 port 24383 connected with 1.1.1.2 port 5001
> [ ID] Interval       Transfer     Bandwidth
> [  3]  0.0-10.0 sec   143 MBytes   120 Mbits/sec
>
> ------------------------------------------------------------
> Client connecting to yoda, TCP port 5001
> TCP window size: 1.00 MByte (WARNING: requested 1.00 MByte)
> ------------------------------------------------------------
> [  3] local 1.1.1.1 port 24424 connected with 1.1.1.2 port 5001
> [ ID] Interval       Transfer     Bandwidth
> [  3]  0.0-10.0 sec   135 MBytes   114 Mbits/sec
>
>
> I'm assuming this is just because ue is not ready to handle more then
> that, but it would be nice if it could go close to the 1Gbits.
>
> Not something I would consider priority though as this devices are
> probably only used as a alternative to main cards, and its far better
> than what I got with USB Wireless cards do the the fact that there's no
> 11n support on those,, so I'm happy with this.
>
> Many thanks for sharing the 'usbconfig -d ugenX.Y set_config 1' trick.
>

Hi,

The "ue" driver is located in sys/dev/usb/net/if_cdce.c and should 
possibly be tuned for super-speed to send and buffer more frames at a 
time. Also I think we need to implement lro in the RX patch.

--HPS