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Date:      Tue, 9 Jul 2013 11:58:19 -0400
From:      John Baldwin <jhb@freebsd.org>
To:        freebsd-current@freebsd.org
Cc:        John Nielsen <lists@jnielsen.net>
Subject:   Re: using ConnectX card as Ethernet (mlxen)
Message-ID:  <201307091158.19381.jhb@freebsd.org>
In-Reply-To: <3A359B33-380C-4230-A62C-623765E9376A@jnielsen.net>
References:  <3A359B33-380C-4230-A62C-623765E9376A@jnielsen.net>

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On Monday, September 24, 2012 12:37:30 pm John Nielsen wrote:
> I have a machine running "FreeBSD 10.0-CURRENT #0 r240887" amd64 with two 
ConnectX (InfiniBand) cards. Relevant bits of dmesg and pciconf -lv below. The 
cards are connected directly to a 10GB Ethernet switch so I need to run them 
in "eth" mode rather than "ib". Unfortunately they come up in "ib" mode and I 
don't know how to change it.
> 
> The same hardware works fine under CentOS 6.3, though I need to manually set 
the cards to 'eth' there as well (which I do using a 'connectx_port_config 
script from Mellanox that twiddles the mlx4_port1 entries under /sys (sysfs). 
Under FreeBSD I see these sysctls but I can't set them to 'eth' either via 
/boot/loader.conf or by sysctl after boot, with or without mlxen and/or mlx4ib 
loaded:
> sys.device.mlx4_core0.mlx4_port1: ib
> sys.device.mlx4_core1.mlx4_port1: ib

So this was just fixed (finally) in HEAD in r253048.  You can how use the
sysctls to change this.

-- 
John Baldwin



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