Configuring flow control for network interfaces

[Pyun YongHyeon]

On Tue, May 18, 2010 at 01:15:37PM -0400, John Baldwin wrote:
> I think it would be useful if we could pick a device-independent interface for 
> configuring flow control on network interfaces, perhaps as media options via 
> ifconfig.  I know that the msk(4) driver allows RX and TX flow control to be 
> toggled via the link0 and link1 flags (the manpage for msk(4) needs updating 
> on this topic I think).  I have a hack for work to disable TX flow control on 

The hack used in e1000phy(4), brgphy(4) and ip1000phy(4) should be
removed.

> cxgb(4), but it doesn't use flow control currently.  Is flow control ethernet-
> specific?  If so, perhaps we could add two new flags for RX and TX flow 
> control to the Ethernet-specific options in that case?  Do folks have other 
> ideas?
> 

AFAIK marius@ is working on it and may have latest patches.