[U-Boot] [RFC PATCH v4 0/23] Add Driver Model support to network stack

[Simon Glass]

Hi Joe,

On 3 March 2015 at 15:29, Joe Hershberger <joe.hershberger at gmail.com> wrote:
> On Sun, Mar 1, 2015 at 10:13 AM, Simon Glass <sjg at chromium.org> wrote:
>
> [snip]
>
>> - I think the recv() method should change before long. The
>> NetReceive() call should be made from the uclass since it is common to
>> all drivers. Then the recv() method can return a packet if it finds
>> one, but not submit it for processing
>
> I looked into doing this and I think it may be more of a step backward.
> Currently devices can directly hand their DMA buffers to the network stack.
> With this change, most drivers would be forced to memcpy each packet into
> the supplied buffer.

I don't see why. The uclass can request the address and length of the buffer.

int (*recv)(char **buffp, int **lenp);

>
> I do plan to rename the function, though.

OK.

Regards,
Simon