lkml.org 
[lkml]   [2015]   [Apr]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2 01/17] IB/Verbs: Implement new callback query_transport() for each HW
On 4/10/2015 1:10 PM, Doug Ledford wrote:
> As per my above statement, rdma_transport* tests were testing the high
> level transport type, rdma_port* types were testing link layers. iWARP
> has an Eth link layer, so technically port_is_iwarp makes no sense. But
> since all the other types had a check too, I included port_is_iwarp just
> to be complete, and if you are going to ask if a specific port is iwarp
> as a link layer, it makes sense to say yes if the transport is iwarp,
> not if the link layer is eth.

Not wanting to split hairs, but I would not rule out the possibility
of a future device supporting iWARP on one port and another RDMA
protocol on another. One could also imagine softiWARP and softROCE
co-existing atop a single ethernet NIC.

So, I disagree that port_is_iwarp() is a nonsequitur.

Tom.



\
 
 \ /
  Last update: 2015-04-10 20:21    [W:0.115 / U:3.708 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site