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From: David Laight <David.Laight@ACULAB.COM>
To: 'Yadu Kishore' <kyk.segfault@gmail.com>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: RE: TCP checksum not offloaded during GSO
Date: Thu, 6 Feb 2020 12:13:26 +0000	[thread overview]
Message-ID: <fb00395be1f34554a3dcdee5b0bbcf8e@AcuMS.aculab.com> (raw)
In-Reply-To: <CABGOaVTY6BrzJTYEtVXwawzP7-D8sb1KASDWFk15v0QFaJVbUg@mail.gmail.com>

From: Yadu Kishore
> Sent: 04 February 2020 05:55
> I'm working on enhancing a driver for a Network Controller that
> supports "Checksum Offloads".
...
> The Network Controller does not support scatter-gather (SG) DMA.

Is it one of the really broken ones that also requires the
tx and rx buffers be 4 byte aligned?

Get a different Network Controller, the one you have isn't
'fit for purpose' :-)

	David

-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)

      parent reply	other threads:[~2020-02-06 12:13 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-04  5:55 TCP checksum not offloaded during GSO Yadu Kishore
2020-02-05 21:43 ` Willem de Bruijn
2020-02-21  5:13   ` [PATCH] net: Make skb_segment not to compute checksum if network controller supports checksumming Yadu Kishore
2020-02-23  2:41     ` Willem de Bruijn
2020-02-28  5:24       ` Yadu Kishore
2020-02-28 14:30         ` Willem de Bruijn
2020-02-28 20:01           ` David Miller
2020-03-02  6:51             ` [PATCH v2] " Yadu Kishore
2020-03-02  8:42               ` Yadu Kishore
2020-03-02 15:19                 ` David Laight
2020-03-03  9:15                   ` Yadu Kishore
2020-03-03  9:56                     ` David Laight
2020-03-05  6:32                       ` Yadu Kishore
2020-03-05 16:06                         ` Willem de Bruijn
2020-03-05 17:00                           ` David Laight
2020-03-05 17:19                             ` Eric Dumazet
2020-03-06 17:12                               ` David Laight
2020-03-13  6:36                                 ` Yadu Kishore
2020-03-13 13:57                                   ` Willem de Bruijn
2020-03-13 14:04                                     ` David Laight
2020-03-13 18:05                                   ` David Miller
2020-03-17  8:38                                     ` [PATCH v3] " Yadu Kishore
2020-03-22  3:06                                       ` David Miller
2020-03-22 14:40                                       ` Willem de Bruijn
2020-03-23 20:00                                       ` David Miller
2020-03-22 19:53                                 ` [PATCH v2] " Tom Herbert
2020-03-23  9:15                                   ` David Laight
2020-02-06 12:13 ` David Laight [this message]

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