From: Roland Dreier <rdreier-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
To: "Liran Liss" <liranl-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
Cc: "Or Gerlitz" <or.gerlitz-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
"Yevgeny Petrilin"
<yevgenyp-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>,
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
<netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"Tziporet Koren"
<tziporet-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
Subject: Re: [PATCH 19/25] mlx4: Randomizing mac addresses for slaves
Date: Thu, 05 Nov 2009 07:58:12 -0800 [thread overview]
Message-ID: <adabpjhc6az.fsf@roland-alpha.cisco.com> (raw)
In-Reply-To: <2ED289D4E09FBD4D92D911E869B97FDD0166CA59-ia22CT07NJfiMCgWhms8HQC/G2K4zDHf@public.gmane.org> (Liran Liss's message of "Thu, 5 Nov 2009 15:38:18 +0200")
> This approach seems to be common practice now (e.g., drivers/net/igb/igb_main.c:1332).
> In any case, the user can change the randomized mac.
igb uses the full output of random_ether_addr(). I'd be fine with
that. However setting the OUI means you only get 24 bits of randomness
which makes a collision a lot more likely.
- R.
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next prev parent reply other threads:[~2009-11-05 15:58 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-04 15:31 [PATCH 19/25] mlx4: Randomizing mac addresses for slaves Yevgeny Petrilin
[not found] ` <4AF19E69.8070605-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
2009-11-04 20:04 ` Roland Dreier
2009-11-04 21:33 ` Or Gerlitz
[not found] ` <15ddcffd0911041333l165ee274mfae3508a3db755e7-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-11-05 13:38 ` Liran Liss
[not found] ` <2ED289D4E09FBD4D92D911E869B97FDD0166CA59-ia22CT07NJfiMCgWhms8HQC/G2K4zDHf@public.gmane.org>
2009-11-05 15:58 ` Roland Dreier [this message]
2009-11-06 4:06 ` Simon Horman
[not found] ` <20091106040624.GA6629-/R6kz+dDXgpPR4JQBCEnsQ@public.gmane.org>
2009-11-06 6:08 ` Roland Dreier
[not found] ` <adaeiocyykl.fsf-BjVyx320WGW9gfZ95n9DRSW4+XlvGpQz@public.gmane.org>
2009-11-06 7:07 ` Simon Horman
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