Message-ID: <553A5362.3040808@talpey.com>
Date: Fri, 24 Apr 2015 10:29:54 -0400
From: Tom Talpey <tom@talpey.com>
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0
MIME-Version: 1.0
To: Michael Wang <yun.wang@profitbricks.com>,
        Roland Dreier <roland@kernel.org>, Sean Hefty <sean.hefty@intel.com>,
        Hal Rosenstock <hal@dev.mellanox.co.il>, linux-rdma@vger.kernel.org,
        linux-kernel@vger.kernel.org
CC: Steve Wise <swise@opengridcomputing.com>,
        Jason Gunthorpe <jgunthorpe@obsidianresearch.com>,
        Doug Ledford <dledford@redhat.com>, Ira Weiny <ira.weiny@intel.com>,
        Tom Tucker <tom@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>,
        Jack Morgenstein <jackm@dev.mellanox.co.il>,
        Or Gerlitz <ogerlitz@mellanox.com>, Haggai Eran <haggaie@mellanox.com>
Subject: Re: [PATCH v6 01/26] IB/Verbs: Implement new callback query_transport()
References: <1429878230-11749-1-git-send-email-yun.wang@profitbricks.com> <1429878230-11749-2-git-send-email-yun.wang@profitbricks.com>
In-Reply-To: <1429878230-11749-2-git-send-email-yun.wang@profitbricks.com>
Content-Type: text/plain; charset=windows-1252; format=flowed
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1108
Lines: 35

On 4/24/2015 8:23 AM, Michael Wang wrote:
> Add new callback query_transport() and implement for each HW.
>
> Mapping List:
> 		node-type	link-layer	old-transport	new-transport
> ...
> mlx4    	IB_CA		IB/ETH		IB		IB/IBOE
> mlx5    	IB_CA		IB		IB		IB
> ...
> diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
> index 57c9809..b6f2f58 100644
> --- a/drivers/infiniband/hw/mlx5/main.c
> +++ b/drivers/infiniband/hw/mlx5/main.c
> @@ -262,6 +262,12 @@ out:
>   	return err;
>   }
>
> +static enum rdma_transport_type
> +mlx5_ib_query_transport(struct ib_device *device, u8 port_num)
> +{
> +	return RDMA_TRANSPORT_IB;
> +}
> +


Just noticed that mlx5 is not being coded as RoCE-capable like mlx4.
The mlx5 driver is for the new ConnectX-4, which implements all three
of IB, RoCE and RoCEv2, right? Are those last two not supported?


--
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/