Re: [PATCH v2] RDMA/CMA: fix iWARP adapter TCP port space usage

Steve Wise
2010-06-23T20:39:25Z

Jason Gunthorpe wrote:
> On Wed, Jun 23, 2010 at 03:19:31PM -0500, Steve Wise wrote:
>
>
>>> So who responds to neighbor queries, and how do outgoing queries get
>>> sent with the right IP? Sounds odd...
>>>
>> The iscsi hba is only an initiator, so it doesn't need to respond to arp
>> queries.
>>
>
> Hmm.. The other side could arp you at any time, and if you don't answer
> stuff can go bad, so something must be generating the replies.
>

You're right! The low level driver, cxgb3, handles it. See
cxgb3_arp_process(). I missed this change in the original submission
of cxgb3i...

> But I guess that is seperate, sounds like iSCSI is in a similar boat
> and they were not able to reconcile either? :(
>
> Jason
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