linux-kernel - Re: [PATCH v2 13/17] IB/Verbs: Reform cma/ucma with management helpers

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 09 Apr 2015 10:05:24 +0200
From:	Michael Wang <yun.wang@...fitbricks.com>
To:	"Hefty, Sean" <sean.hefty@...el.com>,
	Roland Dreier <roland@...nel.org>,
	"linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-nfs@...r.kernel.org" <linux-nfs@...r.kernel.org>
CC:	Hal Rosenstock <hal.rosenstock@...il.com>,
	Tom Tucker <tom@...ngridcomputing.com>,
	Steve Wise <swise@...ngridcomputing.com>,
	Hoang-Nam Nguyen <hnguyen@...ibm.com>,
	Christoph Raisch <raisch@...ibm.com>,
	infinipath <infinipath@...el.com>, Eli Cohen <eli@...lanox.com>,
	"Latif, Faisal" <faisal.latif@...el.com>,
	Trond Myklebust <trond.myklebust@...marydata.com>,
	"J. Bruce Fields" <bfields@...ldses.org>,
	"Weiny, Ira" <ira.weiny@...el.com>,
	PJ Waskiewicz <pj.waskiewicz@...idfire.com>,
	"Nikolova, Tatyana E" <tatyana.e.nikolova@...el.com>,
	Or Gerlitz <ogerlitz@...lanox.com>,
	Jack Morgenstein <jackm@....mellanox.co.il>,
	Haggai Eran <haggaie@...lanox.com>,
	Ilya Nelkenbaum <ilyan@...lanox.com>,
	Yann Droneaud <ydroneaud@...eya.com>,
	Bart Van Assche <bvanassche@....org>,
	Shachar Raindel <raindel@...lanox.com>,
	Sagi Grimberg <sagig@...lanox.com>,
	Devesh Sharma <devesh.sharma@...lex.com>,
	Matan Barak <matanb@...lanox.com>,
	Moni Shoua <monis@...lanox.com>, Jiri Kosina <jkosina@...e.cz>,
	Selvin Xavier <selvin.xavier@...lex.com>,
	Mitesh Ahuja <mitesh.ahuja@...lex.com>,
	Li RongQing <roy.qing.li@...il.com>,
	Rasmus Villemoes <linux@...musvillemoes.dk>,
	"Estrin, Alex" <alex.estrin@...el.com>,
	Doug Ledford <dledford@...hat.com>,
	Eric Dumazet <edumazet@...gle.com>,
	Erez Shitrit <erezsh@...lanox.com>,
	Tom Gundersen <teg@...m.no>,
	Chuck Lever <chuck.lever@...cle.com>
Subject: Re: [PATCH v2 13/17] IB/Verbs: Reform cma/ucma with management helpers

On 04/08/2015 07:02 PM, Hefty, Sean wrote:
[snip]
>>
>> The wrapper make sense, but do we have the guarantee that IBoE port won't
>> be used for AF_IB address? I just can't locate the place we filtered it
>> out...
> 
> I can't think of a reason why IBoE wouldn't work with AF_IB, but I'm not sure if anyone has tested it.  The original check would have let IBoE through.  When I suggested checking for IB transport, I meant the actual transport protocol, which would have included both IB and IBoE.

Got it :-)

> 
>>>> @@ -700,8 +700,7 @@ static int cma_ib_init_qp_attr(struct
[snip]
> 
>>>>  	id_priv->id.route.addr.dev_addr.dev_type =
>>>> -		(rdma_port_get_link_layer(cma_dev->device, p) ==
>>>> IB_LINK_LAYER_INFINIBAND) ?
>>>> +		(rdma_transport_ib(cma_dev->device, p)) ?
>>>>  		ARPHRD_INFINIBAND : ARPHRD_ETHER;
>>>
>>> This wants the link layer, or maybe use cap_ipoib.
>>
>> Is this related with ipoib only?
> 
> ARPHDR_INFINIBAND is related to ipoib.  In your next update, maybe go with tech_ib.  I don't know the status of ipoib over iboe.

Will be in next version :-)

Regards,
Michael Wang

> 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/