Date: Tue, 7 Apr 2015 14:12:59 -0600
From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
To: Michael Wang <yun.wang@profitbricks.com>
Cc: Roland Dreier <roland@kernel.org>, Sean Hefty <sean.hefty@intel.com>,
        linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-nfs@vger.kernel.org, netdev@vger.kernel.org,
        Hal Rosenstock <hal.rosenstock@gmail.com>,
        Tom Tucker <tom@opengridcomputing.com>,
        Steve Wise <swise@opengridcomputing.com>,
        Hoang-Nam Nguyen <hnguyen@de.ibm.com>,
        Christoph Raisch <raisch@de.ibm.com>,
        Mike Marciniszyn <infinipath@intel.com>, Eli Cohen <eli@mellanox.com>,
        Faisal Latif <faisal.latif@intel.com>,
        Upinder Malhi <umalhi@cisco.com>,
        Trond Myklebust <trond.myklebust@primarydata.com>,
        "J. Bruce Fields" <bfields@fieldses.org>,
        "David S. Miller" <davem@davemloft.net>,
        Ira Weiny <ira.weiny@intel.com>,
        PJ Waskiewicz <pj.waskiewicz@solidfire.com>,
        Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>,
        Or Gerlitz <ogerlitz@mellanox.com>,
        Jack Morgenstein <jackm@dev.mellanox.co.il>,
        Haggai Eran <haggaie@mellanox.com>,
        Ilya Nelkenbaum <ilyan@mellanox.com>,
        Yann Droneaud <ydroneaud@opteya.com>,
        Bart Van Assche <bvanassche@acm.org>,
        Shachar Raindel <raindel@mellanox.com>,
        Sagi Grimberg <sagig@mellanox.com>,
        Devesh Sharma <devesh.sharma@emulex.com>,
        Matan Barak <matanb@mellanox.com>, Moni Shoua <monis@mellanox.com>,
        Jiri Kosina <jkosina@suse.cz>,
        Selvin Xavier <selvin.xavier@emulex.com>,
        Mitesh Ahuja <mitesh.ahuja@emulex.com>,
        Li RongQing <roy.qing.li@gmail.com>,
        Rasmus Villemoes <linux@rasmusvillemoes.dk>,
        Alex Estrin <alex.estrin@intel.com>,
        Doug Ledford <dledford@redhat.com>, Eric Dumazet <edumazet@google.com>,
        Erez Shitrit <erezsh@mellanox.com>, Tom Gundersen <teg@jklm.no>,
        Chuck Lever <chuck.lever@oracle.com>
Subject: Re: [PATCH v2 10/17] IB/Verbs: Adopt management helpers for IB
 helpers
Message-ID: <20150407201259.GA17147@obsidianresearch.com>
References: <5523CCD5.6030401@profitbricks.com>
 <5523CF0A.5090206@profitbricks.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <5523CF0A.5090206@profitbricks.com>
User-Agent: Mutt/1.5.21 (2010-09-15)
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 814
Lines: 19

On Tue, Apr 07, 2015 at 02:35:22PM +0200, Michael Wang wrote:
> index f704254..4e61104 100644
> +++ b/drivers/infiniband/core/sa_query.c
> @@ -540,7 +540,7 @@ int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
>  	ah_attr->port_num = port_num;
>  	ah_attr->static_rate = rec->rate;
>  
> -	force_grh = rdma_port_get_link_layer(device, port_num) == IB_LINK_LAYER_ETHERNET;
> +	force_grh = !rdma_transport_ib(device, port_num);

Maybe these tests should be called cap_mandatory_grh - but I'm not
really sure how iWarp uses the GRH fields in the AH...

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