netdev - Re: [RFC v3 01/11] IB/hfi-vnic: Virtual Network Interface Controller (VNIC) documentation

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Message-ID: <20170223072412.GA57966@knc-06.sc.intel.com>
Date:   Wed, 22 Feb 2017 23:24:12 -0800
From:   "Vishwanathapura, Niranjana" <niranjana.vishwanathapura@...el.com>
To:     Bart Van Assche <Bart.VanAssche@...disk.com>
Cc:     "dledford@...hat.com" <dledford@...hat.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        "dennis.dalessandro@...el.com" <dennis.dalessandro@...el.com>,
        "ira.weiny@...el.com" <ira.weiny@...el.com>
Subject: Re: [RFC v3 01/11] IB/hfi-vnic: Virtual Network Interface Controller
 (VNIC) documentation

On Wed, Feb 08, 2017 at 05:00:45PM +0000, Bart Van Assche wrote:
>On Tue, 2017-02-07 at 12:23 -0800, Vishwanathapura, Niranjana wrote:
>
>Please elaborate this section. What is a virtual Ethernet switch? Is it a
>software entity or something that is implemented in hardware? Also, how are
>these independent Ethernet networks identified on the wire? The Linux kernel
>already supports IB partitions and Ethernet VLANs. How do these independent
>Ethernet networks compare to IB partitions and Ethernet VLANs? Which wire-
>level header contains the identity of these Ethernet networks? Is it
>possible to query from user space which Ethernet network a VNIC belongs to?
>If so, with which API and which tools?
>

I have added the VNIC packet format and some related information to the 
documentation in the PATCH series I just sent out.

>Thanks,
>