From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Thomas Monjalon <thomas.monjalon@6wind.com>,
"Dumitrescu, Cristian" <cristian.dumitrescu@intel.com>
Cc: dev@dpdk.org, "Richardson, Bruce" <bruce.richardson@intel.com>,
"Wiles, Keith" <keith.wiles@intel.com>
Subject: Re: [dpdk-dev] doc: deprecation notice for ethdev ops?
Date: Mon, 13 Feb 2017 16:46:06 +0000 [thread overview]
Message-ID: <a4045879-5362-91e8-4e18-156938c74ea1@intel.com> (raw)
In-Reply-To: <1593922.H4Bo57569h@xps13>
On 2/13/2017 4:09 PM, Thomas Monjalon wrote:
> 2017-02-13 16:02, Dumitrescu, Cristian:
>> Hi Thomas,
>>
>> When a new member (function pointer) is added to struct eth_dev_ops (as the last member), does it need to go through ABI chance process (e.g. chance notice one release before)?
>>
>> IMO the answer is no: struct eth_dev_ops is marked as internal and its instances are only accessed through pointers, so the rte_eth_devices array should not be impacted by the ops structure expanding at its end. Unless there is something that I am missing?
>
> You are right, it is an internal struct.
> So no need of a deprecation notice.
When dpdk compiled as dynamic library, application will load PMDs
dynamically as plugin.
Is this use case cause ABI compatibility issue?
I think drivers <--> libraries interface can cause ABI breakages for
dynamic library case, although not sure how common use case this is.
>
> We must clearly separate API and internal code in ethdev.
>
>> My question is in the context of this patch under review for 17.5 release: http://www.dpdk.org/ml/archives/dev/2017-February/057367.html.
>
> I did not look at it yet. Will do after the release.
>
>
next prev parent reply other threads:[~2017-02-13 16:46 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-13 16:02 Dumitrescu, Cristian
2017-02-13 16:09 ` Thomas Monjalon
2017-02-13 16:46 ` Ferruh Yigit [this message]
2017-02-13 17:21 ` Dumitrescu, Cristian
2017-02-13 17:36 ` Ferruh Yigit
2017-02-13 17:39 ` Thomas Monjalon
2017-02-13 17:38 ` Thomas Monjalon
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