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From: Mit Matelske <mit@pt.net>
To: Thomas Monjalon <thomas@monjalon.net>
Cc: dev <dev@dpdk.org>,
	stephen@networkplumber.org, shahafs@mellanox.com,
	Yongseok Koh <yskoh@mellanox.com>
Subject: Re: mlx5 under FreeBSD
Date: Sun, 18 Nov 2018 17:23:11 -0600 (CST)	[thread overview]
Message-ID: <164311280.707048.1542583391811.JavaMail.zimbra@perftech.com> (raw)
In-Reply-To: <4060784.NMgGY7Cv01@xps>

> 15/11/2018 17:48, Mit Matelske:
>> Is anyone working to include support for the mlx5 PMD under FreeBSD?
> 
> I think Stephen (Cc) looked at it.
> 
>> I've started down this road by building Linux compatibility layers for the
>> required Netlink and Ethtool calls in the driver, but would gladly accept help
>> and advice from those much more knowledgeable then myself!
> 
> Cc also mlx5 maintainers.

Thomas-

Thanks for looping the correct people in!

> 
>> Though not important, why did Mellanox build a PMD that relied on the kernel
>> driver being in place unlike most other PMDs?
> 
> Because it allows to choose which flows go to DPDK and which ones
> are processed by the kernel.
> Actually, you should ask why other PMDs don't have this feature ;)

Very fair response.  We actually wrote our own "shim" into the stack for all the
relevant drivers we use to both keep the existing ifnet interfaces around and to
pass packets to and from the stack from every interface.

Your comment matches one of my co-worker's when I explained to him how the mlx5
driver works.

Mit

  reply	other threads:[~2018-11-18 23:23 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-15 16:48 mlx5 under FreeBSD Mit Matelske
2018-11-18 14:38 ` Thomas Monjalon
2018-11-18 23:23   ` Mit Matelske [this message]
2018-11-19  6:28     ` Shahaf Shuler
2018-11-19 15:09       ` Mit Matelske
2018-11-19 17:08         ` Stephen Hemminger
2018-11-21 17:11           ` Mit Matelske
2018-11-21 20:12             ` Stephen Hemminger
2019-03-01 15:58               ` Mit Matelske
2019-03-03  8:43                 ` Shahaf Shuler
2019-03-04 16:44                   ` Mit Matelske
2019-03-06 14:59                     ` Shahaf Shuler
2019-03-06 21:01                       ` Mit Matelske
2019-03-07  6:28                         ` Shahaf Shuler
2019-03-07 15:27                           ` Mit Matelske
2019-03-10  5:57                             ` Shahaf Shuler
2019-03-11 14:29                               ` Mit Matelske

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