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From: David Miller <davem@davemloft.net>
To: tom@herbertland.com
Cc: haiyangz@microsoft.com, eric.dumazet@gmail.com,
	gnomes@lxorguk.ukuu.org.uk, vkuznets@redhat.com,
	netdev@vger.kernel.org, kys@microsoft.com,
	devel@linuxdriverproject.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next] hv_netvsc: don't make assumptions on struct flow_keys layout
Date: Thu, 14 Jan 2016 17:06:25 -0500 (EST)	[thread overview]
Message-ID: <20160114.170625.332893838261533719.davem@davemloft.net> (raw)
In-Reply-To: <CALx6S349p_2XwFXM_T74PzSmJ6F9petkyX_5dY-PEp2O7Y9vfA@mail.gmail.com>

From: Tom Herbert <tom@herbertland.com>
Date: Thu, 14 Jan 2016 13:44:24 -0800

> The fact that we can negatively affect the output of Toeplitz so
> predictably is actually a liability and not a benefit. This sort of
> thing can be the basis of a DOS attack and is why we kicked out XOR
> hash in favor of Jenkins.

+1

Toeplitz should not be used for any software calculated flow hash
whatsoever.

  reply	other threads:[~2016-01-14 22:06 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-07  9:33 [PATCH net-next] hv_netvsc: don't make assumptions on struct flow_keys layout Vitaly Kuznetsov
2016-01-07 12:52 ` Eric Dumazet
2016-01-07 13:28   ` Vitaly Kuznetsov
2016-01-08  1:02     ` John Fastabend
2016-01-08  3:49       ` KY Srinivasan
2016-01-08  6:16         ` John Fastabend
2016-01-08 18:01           ` KY Srinivasan
2016-01-08 21:07     ` Haiyang Zhang
2016-01-09  0:17   ` Tom Herbert
2016-01-10 22:25 ` David Miller
2016-01-13 23:10   ` Haiyang Zhang
2016-01-14  4:56     ` David Miller
2016-01-14 17:14     ` Tom Herbert
2016-01-14 17:53       ` One Thousand Gnomes
2016-01-14 18:24         ` Eric Dumazet
2016-01-14 18:35           ` Haiyang Zhang
2016-01-14 18:48             ` Tom Herbert
2016-01-14 19:15               ` Haiyang Zhang
2016-01-14 19:41                 ` Tom Herbert
2016-01-14 20:23                   ` Haiyang Zhang
2016-01-14 21:44                     ` Tom Herbert
2016-01-14 22:06                       ` David Miller [this message]
2016-01-14 22:08                     ` Eric Dumazet
2016-01-14 22:29                       ` Haiyang Zhang
2016-01-14 17:53     ` Eric Dumazet

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