From: Eric Dumazet <eric.dumazet@gmail.com>
To: Dmitry Kravkov <dkravkov@gmail.com>
Cc: "Jerry Chu" <hkchu@google.com>,
"Dmitry Kravkov" <dmitry@broadcom.com>,
"davem@davemloft.net" <davem@davemloft.net>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"Eilon Greenstein" <eilong@broadcom.com>,
"Tom Herbert" <therbert@google.com>,
"Maciej Żenczykowski" <maze@google.com>
Subject: Re: [PATCH net-next 2/2] bnx2x: add RSS capability for GRE traffic
Date: Sat, 17 Aug 2013 12:01:56 -0700 [thread overview]
Message-ID: <1376766116.21329.9.camel@edumazet-glaptop> (raw)
In-Reply-To: <CAM8tLiNRi7mOb9wwSHuY4867ANUvzd_XxfZLV0gDPO2jKMtWsQ@mail.gmail.com>
On Sat, 2013-08-17 at 21:52 +0300, Dmitry Kravkov wrote:
>
> Current bnx2x HW is not able to perform CSUM validation for
> encapsulated packets, so in any case host needs to do that.
> Today GRO/TPA feature depends on CSUM, but theoretically (i did not
> investigate it) and probably HW can provide aggregated packets w/o
> csum validation - this will save headers processing for host.
I am not sure I understand this.
Aggregation cannot be done if csums are not validated.
next prev parent reply other threads:[~2013-08-17 19:01 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-18 16:51 [PATCH net-next 1/2] bnx2x: add CSUM and TSO support for encapsulation protocols Dmitry Kravkov
2013-03-18 16:51 ` [PATCH net-next 2/2] bnx2x: add RSS capability for GRE traffic Dmitry Kravkov
2013-03-18 17:11 ` David Miller
2013-03-19 0:07 ` Eric Dumazet
2013-03-19 6:30 ` Dmitry Kravkov
2013-03-19 9:18 ` Maciej Żenczykowski
2013-03-19 12:21 ` Dmitry Kravkov
2013-03-19 12:25 ` Eric Dumazet
2013-03-19 13:43 ` Dmitry Kravkov
2013-08-17 17:53 ` Jerry Chu
2013-08-17 18:52 ` Dmitry Kravkov
2013-08-17 19:01 ` Eric Dumazet [this message]
2013-08-17 19:04 ` Dmitry Kravkov
2013-08-18 11:55 ` Jerry Chu
2013-08-18 15:37 ` Eric Dumazet
2013-08-18 21:11 ` Jerry Chu
2013-08-18 23:44 ` Eric Dumazet
2013-08-19 14:57 ` Jerry Chu
2013-03-18 17:11 ` [PATCH net-next 1/2] bnx2x: add CSUM and TSO support for encapsulation protocols David Miller
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