[dpdk-dev] [PATCH v3 2/3] net/ring: create vdev from PMD specific API

Ferruh Yigit ferruh.yigit at intel.com
Mon Jun 12 16:08:31 CEST 2017


On 6/12/2017 2:25 PM, Bruce Richardson wrote:
> On Fri, Jun 09, 2017 at 06:51:19PM +0100, Ferruh Yigit wrote:
>> When ring PMD created via PMD specific API instead of EAL abstraction
>> it is missing the virtual device creation done by EAL vdev.
>>
>> And this makes eth_dev unusable exact same as other PMDs used, because
>> of some missing fields, like rte_device->name.
>>
>> Now API creates a virtual device and sets proper fields, not all, and it
>> still won't be linked in the virtual device list eal keeps track. But
>> makes PMD usable in usual manner.
>>
>> Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>
>> ---
> 
> Is a better fix not to have this API call into the EAL to create the
> vdev and add it to the lists as with other vdevs? [If it makes it easier,
> the extra parameters passed in to the library-local function can be
> saved in a context that can be accessed when the EAL calls back into the
> driver, rather than having to flatten them out into devargs and re-parsed
> again.]

Let me send the patch as suggested.

Using EAL API is better idea I think, but overall this ring PMD looked
like hack after changes.

Please check the latest patch, if we want to keep ring PMD API, perhaps
we should postpone removing drv_name patch.

> 
> Regards,
> /Bruce
> 



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