* one vs. two drivers for an iWARP-capable Ethernet NIC
@ 2006-12-28 21:24 Leonid Grossman
0 siblings, 0 replies; 3+ messages in thread
From: Leonid Grossman @ 2006-12-28 21:24 UTC (permalink / raw)
To: Jeff Garzik, rdreier; +Cc: netdev, openib-general
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Jeff/Roland/all,
What is the preferred submission driver model for an iWARP-capable
Ethernet NIC - two separate drivers (Ethernet and OpenFabrics) that
interact with each other, or a single driver that supports both
OpenFabrics and Ethernet interfaces?
For our hardware we can go either way, although in case of separate
drivers the interface between the two would get somewhat artificial...
Thanks, Leonid
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* RE: one vs. two drivers for an iWARP-capable Ethernet NIC
@ 2006-12-28 21:31 Leonid Grossman
2007-01-04 21:45 ` Roland Dreier
0 siblings, 1 reply; 3+ messages in thread
From: Leonid Grossman @ 2006-12-28 21:31 UTC (permalink / raw)
To: Jeff Garzik, rdreier; +Cc: netdev, openib-general
Re-sending as a plain text to reach netdev.
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------------------------------------------------------------
Jeff/Roland/all,
What is the preferred submission driver model for an iWARP-capable
Ethernet NIC - two separate drivers (Ethernet and OpenFabrics) that
interact with each other, or a single driver that supports both
OpenFabrics and Ethernet interfaces?
For our hardware we can go either way, although in case of separate
drivers the interface between the two would get somewhat artificial...
Thanks, Leonid
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: one vs. two drivers for an iWARP-capable Ethernet NIC
2006-12-28 21:31 one vs. two drivers for an iWARP-capable Ethernet NIC Leonid Grossman
@ 2007-01-04 21:45 ` Roland Dreier
0 siblings, 0 replies; 3+ messages in thread
From: Roland Dreier @ 2007-01-04 21:45 UTC (permalink / raw)
To: Leonid Grossman; +Cc: netdev, Jeff Garzik, openib-general
> Jeff/Roland/all,
> What is the preferred submission driver model for an iWARP-capable
> Ethernet NIC - two separate drivers (Ethernet and OpenFabrics) that
> interact with each other, or a single driver that supports both
> OpenFabrics and Ethernet interfaces?
Let's not use the term "OpenFabrics interface." Let's just call the
two interfaces RDMA and ethernet (or L2 NIC if you like).
Anyway my preference would be for the cleanest possible driver. If
your driver is not naturally divided into two separate parts then it's
fine to have a unified driver. We already have examples of both:
amso1100 is unified and the Chelsio T3 driver is split.
- R.
^ permalink raw reply [flat|nested] 3+ messages in thread
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2007-01-04 21:45 ` Roland Dreier
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