Re: [lwip-users] recv ok.. send is super slow

[Kieran Mansley]

On Tue, 2008-05-13 at 10:24 -0400, Rishi Khan wrote:
> > Most likely Linux is doing segmentation offload to your NIC.  i.e.
> > passing a larger than MTU socket buffer to the NIC, which then  
> > fragments
> > it into MTU sized chunks.  This is a pretty standard feature in modern
> > NICs to reduce the overheads on the network stack.
> 
> I guess I could do the same?

If you're writing a driver to work with the Linux TCP/IP stack, yes.  If
you're writing a driver to work with lwIP, not without some changes.
lwIP doesn't currently support segmentation offload.

Kieran