Re: [RFC] usbnet: use eth%d name for known ethernet devices

On Wed, 2011-03-23 at 16:38 -0700, Steve Calfee wrote:

On 03/23/11 16:17, Michal Nazarewicz wrote:

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@@ -97,6 +97,8 @@ struct driver_info {

  #define FLAG_LINK_INTR       0x0800          /* updates link (carrier) status */

+#define FLAG_PTP     0x1000          /* maybe use "usb%d" names */

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On Wednesday 23 March 2011 19:46:50 Greg KH wrote:

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"PTP"?  What does that stand for?

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On Mar 23, 2011 8:36 PM, "Arnd Bergmann"[off-list ref]  wrote:

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point-to-point, I'll improve the comment to spell it out when
I send the fixed version.

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On Wednesday 23 March 2011 20:53:13 Michał Nazarewicz wrote:

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I think P2P could be better.

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On Wed, 23 Mar 2011 20:57:18 +0100 Arnd Bergmann wrote:

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Yes, good idea.

Randy Dunlap[off-list ref]  writes:

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that's peer-to-peer.

OTOH, I knew that PTP was point-to-point.

It can be any of that, depending on context.  For me PTP is more like
Picture Transport Protocol, whereas "2" between two letters is usually
"to".

Well, my 2 cents, picture transport protocol is so obviously different 
than flags for network interfaces it does not cause a mental collision. 

PTP is also Precision Time Protocol, which *is* used on network
interfaces (maybe not USB-connected interfaces though).

Anyway, these USB cable interfaces can presumably be bridged to standard
Ethernet, so they are really no more point-to-point than any other
Ethernet link has been since the demise of the hub.

However P2P is about to become a huge wifi issue, which definitely is in 
the network space. So don't confuse things in the near future, don't use 
P2P.

Maybe a completely different, not so overused flag name would be better.

How about FLAG_NON_IEEE, meaning that the physical layer is not based on
an IEEE 802.3, 802.11 or other standard physical layer.

Ben.

-- 
Ben Hutchings, Senior Software Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.