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From: Eric Dumazet <eric.dumazet@gmail.com>
To: David Miller <davem@davemloft.net>
Cc: bhutchings@solarflare.com, oliver@neukum.org,
	grundler@google.com, freddy@asix.com.tw, netdev@vger.kernel.org,
	linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
	louis@asix.com.tw, allan@asix.com.tw
Subject: Re: [PATCH 1/1] TX throttling bug-fixing patch of AX88179_178A
Date: Tue, 23 Jul 2013 16:56:53 -0700	[thread overview]
Message-ID: <1374623813.3449.52.camel@edumazet-glaptop> (raw)
In-Reply-To: <20130723.164656.1794159338719943519.davem@davemloft.net>

On Tue, 2013-07-23 at 16:46 -0700, David Miller wrote:
> From: Eric Dumazet <eric.dumazet@gmail.com>
> Date: Mon, 22 Jul 2013 23:10:27 -0700
> 
> > On Mon, 2013-07-22 at 20:47 +0100, Ben Hutchings wrote:
> >> The real solution would be for someone to add SG support to the usbnet
> >> core.  Trying to support 1GbE with only linear skbs is not a great
> >> idea... and it can only be a matter of time before there is USB ultra
> >> speed (or whatever comes after 'super') with 10GbE devices...
> >> 
> > 
> > This sounds a good idea.
> > 
> > Is anybody working on adding SG to usbnet ?
> 
> This is a good long-term plan, but right now we have to do something
> reasonable.
> 
> A quick scan shows that smsc75xx, smsc95xx, and ax88179_178a all have
> this problem.
> 
> Instead of the patch starting this thread, I'd like to see one that
> hits all three drivers and removes all SG and TSO features bits from
> both the ->features _and_ ->hw_features settings.
> 
> Could someone toss that together quickly?

Yes, I can prepare this patch.

  reply	other threads:[~2013-07-23 23:56 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-20  9:16 [PATCH 1/1] TX throttling bug-fixing patch of AX88179_178A freddy
2013-07-22 17:07 ` Eric Dumazet
2013-07-22 17:11   ` Ben Hutchings
2013-07-22 18:29   ` Grant Grundler
2013-07-22 18:38     ` Ben Hutchings
2013-07-22 18:47       ` Eric Dumazet
2013-07-22 19:47         ` Ben Hutchings
     [not found]           ` <1374522471.1635.48.camel-/LGg1Z1CJKQ+9kgCwbf1HqK4ta4zdZpAajtMo4Cw6ucAvxtiuMwx3w@public.gmane.org>
2013-07-23  6:10             ` Eric Dumazet
2013-07-23 23:46               ` David Miller
2013-07-23 23:56                 ` Eric Dumazet [this message]
2013-07-24  0:05                   ` Eric Dumazet
2013-07-24  0:15                     ` [PATCH] usbnet: do not pretend to support SG/TSO Eric Dumazet
2013-07-26 20:48                       ` David Miller
2013-07-24  0:17                     ` [PATCH 1/1] TX throttling bug-fixing patch of AX88179_178A David Miller
2013-07-24  2:29                 ` Grant Grundler
     [not found]                   ` <CANEJEGtLavwdPdq_Qojz_x-DQ3KXfZp0vPYr6imKtNxN0Hf_2Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-07-24  2:32                     ` Grant Grundler
2013-07-25  2:28               ` Ming Lei
2013-07-25  5:10                 ` Eric Dumazet
2013-07-25  5:25                   ` Ming Lei
     [not found]                     ` <CACVXFVNyFk0Zpi4tC0ENiq8RcrtrjYW-Dhs+A56+Pw4BKm8y8A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-07-25 11:01                       ` Eric Dumazet
2013-07-25 14:52                         ` Ming Lei
2013-07-25 15:00                           ` Ben Hutchings
     [not found]                           ` <CACVXFVNre5SsJhaVqFNRcop7ahqxabWqHZkjBZccj1ZqOAUZ9A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-07-25 15:11                             ` Eric Dumazet
2013-07-25 13:34                     ` Ben Hutchings

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