From: "Kinsella, Ray" <ray.kinsella@intel.com>
To: Thomas Monjalon <thomas@monjalon.net>,
"Guo, Jia" <jia.guo@intel.com>,
"Zhang, Qi Z" <qi.z.zhang@intel.com>,
"Yigit, Ferruh" <ferruh.yigit@intel.com>
Cc: "Wu, Jingjing" <jingjing.wu@intel.com>,
"Yang, Qiming" <qiming.yang@intel.com>,
"Wang, Haiyue" <haiyue.wang@intel.com>,
"dev@dpdk.org" <dev@dpdk.org>,
"andrew.rybchenko@oktetlabs.ru" <andrew.rybchenko@oktetlabs.ru>,
"orika@nvidia.com" <orika@nvidia.com>,
"getelson@nvidia.com" <getelson@nvidia.com>,
Dodji Seketeli <dodji@redhat.com>
Subject: Re: [dpdk-dev] [dpdk-dev v2 1/2] ethdev: add new tunnel type for ecpri
Date: Fri, 8 Jan 2021 14:07:53 +0000 [thread overview]
Message-ID: <PH0PR11MB4776AA916B231D8AF768E65A90AE0@PH0PR11MB4776.namprd11.prod.outlook.com> (raw)
In-Reply-To: <3369453.mArGO5O6NO@thomas>
> -----Original Message-----
> From: Thomas Monjalon <thomas@monjalon.net>
> Sent: Friday 8 January 2021 14:06
> To: Guo, Jia <jia.guo@intel.com>; Zhang, Qi Z <qi.z.zhang@intel.com>;
> Yigit, Ferruh <ferruh.yigit@intel.com>
> Cc: Wu, Jingjing <jingjing.wu@intel.com>; Yang, Qiming
> <qiming.yang@intel.com>; Wang, Haiyue <haiyue.wang@intel.com>;
> dev@dpdk.org; andrew.rybchenko@oktetlabs.ru; orika@nvidia.com;
> getelson@nvidia.com; Dodji Seketeli <dodji@redhat.com>; Kinsella, Ray
> <ray.kinsella@intel.com>
> Subject: Re: [dpdk-dev] [dpdk-dev v2 1/2] ethdev: add new tunnel type
> for ecpri
>
> 08/01/2021 11:43, Ferruh Yigit:
> > On 1/8/2021 10:23 AM, Thomas Monjalon wrote:
> > > 08/01/2021 10:22, Ferruh Yigit:
> > >> On 1/7/2021 1:33 PM, Thomas Monjalon wrote:
> > >>> 07/01/2021 13:47, Zhang, Qi Z:
> > >>>> From: Thomas Monjalon <thomas@monjalon.net>
> > >>>>> 07/01/2021 10:32, Guo, Jia:
> > >>>>>> From: Thomas Monjalon <thomas@monjalon.net>
> > >>>>>>> Sorry, it is a nack.
> > >>>>>>> BTW, it is probably breaking the ABI because of
> RTE_TUNNEL_TYPE_MAX.
> > >>>>
> > >>>> Yes that may break the ABI but fortunately the checking-abi-
> compatibility tool shows negative :) , thanks Ferruh' s guide.
> > >>>> https://github.com/ferruhy/dpdk/actions/runs/468859673
> > >>>
> > >>> That's very strange. An enum value is changed.
> > >>> Why it is not flagged by libabigail?
> > >>
> > >> As long as the enum values not sent to the application and kept
> > >> within the library, changing their values shouldn't be problem.
> > >
> > > But RTE_TUNNEL_TYPE_MAX is part of lib/librte_ethdev/rte_ethdev.h
> so
> > > it is exposed to the application.
> > > I think it is a case of ABI breakage.
> >
> > Yes it is exposed to the application. But in runtime does it
> exchanged
> > between library and application is the issue I think.
> > For this case it seems it is not, so not an ABI break.
>
> If I create a table of size RTE_TUNNEL_TYPE_MAX with DPDK 20.11, I will
> get an overflow when writing to the new ECPRI index.
I guess the question is - are you likely to do this?
> The question is: can I receive the ECPRI value dynamically from ethdev?
> If yes, it is an ABI breakage. But I cannot think of such case now.
Ray K
next prev parent reply other threads:[~2021-01-11 12:30 UTC|newest]
Thread overview: 91+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-16 8:58 [dpdk-dev] [dpdk-dev 21.02 0/5] enable UDP ecpri configure in dcf Jeff Guo
2020-12-16 8:58 ` [dpdk-dev] [dpdk-dev 21.02 1/5] ethdev: add new tunnel type for ecpri Jeff Guo
2020-12-23 9:28 ` Zhang, Qi Z
2020-12-16 8:58 ` [dpdk-dev] [dpdk-dev 21.02 2/5] net/ice/base: add new UDP " Jeff Guo
2020-12-16 8:58 ` [dpdk-dev] [dpdk-dev 21.02 3/5] net/ice: add ecpri package type Jeff Guo
2020-12-16 8:58 ` [dpdk-dev] [dpdk-dev 21.02 4/5] net/ice: enable ecpri tunnel port configure in dcf Jeff Guo
2020-12-16 8:58 ` [dpdk-dev] [dpdk-dev 21.02 5/5] app/testpmd: add new UDP tunnel port for ecpri Jeff Guo
2020-12-24 6:59 ` [dpdk-dev] [dpdk-dev v2 0/2] " Jeff Guo
2020-12-24 6:59 ` [dpdk-dev] [dpdk-dev v2 1/2] ethdev: add new tunnel type " Jeff Guo
2021-01-06 22:12 ` Thomas Monjalon
2021-01-07 9:32 ` Guo, Jia
2021-01-07 10:09 ` Andrew Rybchenko
2021-01-07 10:11 ` Thomas Monjalon
2021-01-07 12:47 ` Zhang, Qi Z
2021-01-07 13:33 ` Thomas Monjalon
2021-01-07 13:45 ` David Marchand
2021-01-07 14:27 ` Dodji Seketeli
2021-01-07 15:24 ` Zhang, Qi Z
2021-01-07 16:58 ` Thomas Monjalon
2021-01-08 1:41 ` Zhang, Qi Z
2021-01-08 8:57 ` Ferruh Yigit
2021-01-08 9:29 ` Andrew Rybchenko
2021-01-08 10:36 ` Thomas Monjalon
2021-01-09 1:01 ` Zhang, Qi Z
2021-01-10 10:46 ` Ori Kam
2021-01-11 9:23 ` Thomas Monjalon
2021-01-11 11:26 ` Zhang, Qi Z
2021-01-11 11:37 ` Thomas Monjalon
2021-01-11 14:02 ` Zhang, Qi Z
2021-01-11 14:53 ` Thomas Monjalon
2021-01-12 2:14 ` Zhang, Qi Z
2021-01-15 15:15 ` Thomas Monjalon
2021-01-08 9:22 ` Ferruh Yigit
2021-01-08 10:23 ` Thomas Monjalon
2021-01-08 10:43 ` Ferruh Yigit
2021-01-08 14:06 ` Thomas Monjalon
2021-01-08 14:07 ` Kinsella, Ray [this message]
2021-01-08 14:10 ` Thomas Monjalon
2021-01-08 12:38 ` Kinsella, Ray
2021-01-08 14:27 ` Ferruh Yigit
2021-01-08 14:31 ` Kinsella, Ray
2021-01-08 17:34 ` Kinsella, Ray
2021-01-14 14:34 ` Ferruh Yigit
2021-01-15 2:51 ` Guo, Jia
2020-12-24 6:59 ` [dpdk-dev] [dpdk-dev v2 2/2] app/testpmd: add new UDP tunnel port " Jeff Guo
2021-01-14 14:33 ` Ferruh Yigit
2021-01-15 2:13 ` Guo, Jia
2020-12-24 13:40 ` [dpdk-dev] [dpdk-dev v2 0/2] " Zhang, Qi Z
2020-12-24 7:01 ` [dpdk-dev] [dpdk-dev v2 0/6] enable UDP ecpri configure in dcf Jeff Guo
2020-12-24 7:01 ` [dpdk-dev] [dpdk-dev v2 1/6] net/ice/base: add package PTYPE enable information Jeff Guo
2020-12-24 7:01 ` [dpdk-dev] [dpdk-dev v2 2/6] net/ice: refactor package type parsing Jeff Guo
2020-12-24 7:01 ` [dpdk-dev] [dpdk-dev v2 3/6] net/ice/base: add new UDP tunnel type for ecpri Jeff Guo
2020-12-24 7:01 ` [dpdk-dev] [dpdk-dev v2 4/6] net/ice: add PTYPE mapping " Jeff Guo
2020-12-24 7:01 ` [dpdk-dev] [dpdk-dev v2 5/6] net/iavf: " Jeff Guo
2020-12-24 7:01 ` [dpdk-dev] [dpdk-dev v2 6/6] net/ice: enable ecpri tunnel port configure in dcf Jeff Guo
2021-01-12 9:32 ` [dpdk-dev] [dpdk-dev v3 0/3] net/ice: refactor PTYPE parsing Jeff Guo
2021-01-12 9:32 ` [dpdk-dev] [dpdk-dev v3 1/3] net/ice/base: add package PTYPE enable information Jeff Guo
2021-01-12 9:32 ` [dpdk-dev] [dpdk-dev v3 2/3] net/ice/base: add PTYPE value Jeff Guo
2021-01-12 9:32 ` [dpdk-dev] [dpdk-dev v3 3/3] net/ice: refactor PTYPE parsing Jeff Guo
2021-01-13 5:31 ` [dpdk-dev] [dpdk-dev v4 0/2] " Jeff Guo
2021-01-13 5:31 ` [dpdk-dev] [dpdk-dev v4 1/2] net/ice/base: add PTYPE value Jeff Guo
2021-01-13 5:31 ` [dpdk-dev] [dpdk-dev v4 2/2] net/ice: refactor PTYPE parsing Jeff Guo
2021-01-13 6:07 ` [dpdk-dev] [dpdk-dev v4 0/2] " Zhang, Qi Z
2021-01-13 14:05 ` [dpdk-dev] [dpdk-dev v3 0/3] enable UDP ecpri configure in dcf Jeff Guo
2021-01-13 14:05 ` [dpdk-dev] [dpdk-dev v3 1/3] net/ice: add PTYPE mapping for ecpri Jeff Guo
2021-01-13 14:05 ` [dpdk-dev] [dpdk-dev v3 2/3] net/iavf: " Jeff Guo
2021-01-13 14:05 ` [dpdk-dev] [dpdk-dev v3 3/3] net/ice: enable ecpri tunnel port configure in dcf Jeff Guo
2021-01-14 4:18 ` [dpdk-dev] [dpdk-dev v3 0/3] enable UDP ecpri " Zhang, Qi Z
2021-01-18 9:28 ` Ferruh Yigit
2021-01-15 2:42 ` [dpdk-dev] [dpdk-dev v3 0/2] add new UDP tunnel port for ecpri Jeff Guo
2021-01-15 2:42 ` [dpdk-dev] [dpdk-dev v3 1/2] ethdev: add new tunnel type " Jeff Guo
2021-01-15 2:42 ` [dpdk-dev] [dpdk-dev v3 2/2] app/testpmd: add new UDP tunnel port " Jeff Guo
2021-01-15 4:35 ` [dpdk-dev] [dpdk-dev v4 0/2] add new UDP tunnel port configure for eCPRI Jeff Guo
2021-01-15 4:35 ` [dpdk-dev] [dpdk-dev v4 1/2] ethdev: add new tunnel type " Jeff Guo
2021-01-15 4:35 ` [dpdk-dev] [dpdk-dev v4 2/2] app/testpmd: add new UDP tunnel port " Jeff Guo
2021-01-15 5:15 ` [dpdk-dev] [dpdk-dev v5 0/2] add new UDP tunnel port configure " Jeff Guo
2021-01-15 5:15 ` [dpdk-dev] [dpdk-dev v5 1/2] ethdev: add new tunnel type " Jeff Guo
2021-01-15 12:23 ` Ferruh Yigit
2021-01-18 2:40 ` Guo, Jia
2021-01-15 5:15 ` [dpdk-dev] [dpdk-dev v5 2/2] app/testpmd: add new UDP tunnel port " Jeff Guo
2021-01-15 12:24 ` Ferruh Yigit
2021-01-15 12:28 ` [dpdk-dev] [dpdk-dev v5 0/2] add new UDP tunnel port configure " Ferruh Yigit
2021-01-19 3:59 ` [dpdk-dev] [dpdk-dev v4] net/ice: enable eCPRI tunnel port configure in dcf Jeff Guo
2021-01-19 4:15 ` Jeff Guo
2021-01-19 4:19 ` [dpdk-dev] [dpdk-dev v5] " Jeff Guo
2021-01-20 10:14 ` Zhang, Qi Z
2021-01-20 10:19 ` Thomas Monjalon
2021-01-20 10:23 ` Zhang, Qi Z
2021-01-20 10:30 ` Thomas Monjalon
2021-01-20 10:36 ` Zhang, Qi Z
2021-01-20 10:39 ` Thomas Monjalon
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