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From: Olivier MATZ <olivier.matz-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
To: "Ananyev,
	Konstantin"
	<konstantin.ananyev-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	"Liu,
	Jijiang" <jijiang.liu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	"dev-VfR2kkLFssw@public.gmane.org"
	<dev-VfR2kkLFssw@public.gmane.org>
Subject: Re: [PATCH v3 1/4] mbuf:add three TX offload flags and change three fields
Date: Fri, 28 Nov 2014 12:18:45 +0100	[thread overview]
Message-ID: <54785A15.1090301@6wind.com> (raw)
In-Reply-To: <2601191342CEEE43887BDE71AB977258213BB258-kPTMFJFq+rEu0RiL9chJVbfspsVTdybXVpNB7YpNyf8@public.gmane.org>

Hi Konstantin,

On 11/28/2014 12:13 PM, Ananyev, Konstantin wrote:
>>> For the upper layer, I think there would be no big difference, what ways we will choose.
>>
>> I think the 2 informations are transversal, and that's why I would
>> prefer 2 flags. Also, having 2 separate flags would also help to keep
>> backward compatibility with previous versions.
> 
> Hmm, not sure how we will break compatibility in that case?
> If we'll make TX_IP_CKSUM to be 1 bit value (1 << X) then for current drivers nothing should change, no?

Yes, you're right, sorry.

Olivier

  parent reply	other threads:[~2014-11-28 11:18 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-27 17:03 [PATCH v3 0/4] i40e VXLAN TX checksum rework Jijiang Liu
     [not found] ` <1417107801-9544-1-git-send-email-jijiang.liu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2014-11-27 17:03   ` [PATCH v3 1/4] mbuf:add three TX offload flags and change three fields Jijiang Liu
     [not found]     ` <1417107801-9544-2-git-send-email-jijiang.liu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2014-11-28  9:36       ` Olivier MATZ
     [not found]         ` <54784232.8030707-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2014-11-28 10:27           ` Ananyev, Konstantin
2014-11-28 10:33           ` Liu, Jijiang
     [not found]             ` <1ED644BD7E0A5F4091CF203DAFB8E4CC01D9F2B9-0J0gbvR4kThpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2014-11-28 10:40               ` Ananyev, Konstantin
     [not found]                 ` <2601191342CEEE43887BDE71AB977258213BB218-kPTMFJFq+rEu0RiL9chJVbfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2014-11-28 11:00                   ` Olivier MATZ
     [not found]                     ` <547855C9.80507-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2014-11-28 11:13                       ` Ananyev, Konstantin
     [not found]                         ` <2601191342CEEE43887BDE71AB977258213BB258-kPTMFJFq+rEu0RiL9chJVbfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2014-11-28 11:18                           ` Olivier MATZ [this message]
     [not found]                             ` <54785A15.1090301-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2014-11-28 15:46                               ` Ananyev, Konstantin
2014-11-27 17:03   ` [PATCH v3 2/4] mbuf:change PKT_TX_IPV4 and PKT_TX_IPV6 definition Jijiang Liu
     [not found]     ` <1417107801-9544-3-git-send-email-jijiang.liu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2014-11-28  9:37       ` Olivier MATZ
2014-11-27 17:03   ` [PATCH v3 3/4] i40e:PMD change for VXLAN TX checksum Jijiang Liu
2014-11-27 17:03   ` [PATCH v3 4/4] testpmd:rework csum forward engine Jijiang Liu
     [not found]     ` <1417107801-9544-5-git-send-email-jijiang.liu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2014-11-28  9:50       ` Olivier MATZ
     [not found]         ` <54784562.90906-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2014-11-28 10:10           ` Thomas Monjalon
2014-11-27 17:24   ` [PATCH v3 0/4] i40e VXLAN TX checksum rework Ananyev, Konstantin

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