[dpdk-dev] [PATCH 2/2] net: enable IOVA mode for PMDs

[santosh]

Hi Maxim,


On Friday 05 January 2018 04:02 PM, Maxime Coquelin wrote:
> Hi Jianfeng,
>
> On 10/11/2017 12:33 PM, Jianfeng Tan wrote:
>> If we want to enable IOVA mode, introduced by
>> commit 93878cf0255e ("eal: introduce helper API for IOVA mode"),
>> we need PMDs (for PCI devices) to expose this flag.
>>
>> Signed-off-by: Jianfeng Tan<jianfeng.tan at intel.com>
>> ---

[...]

> Ferruh, I see you also faced problems with KNI, how did you solved it?
>
By checking lsmod for rte_kni module and if found then set .iova_mode = _pa, refer [1].
You may follow similar approach.. meaning detect emulation mode Or if not then
other-way to introduce --iova-mode=<> eal arg.

[1] http://dpdk.org/browse/dpdk/tree/lib/librte_eal/linuxapp/eal/eal.c#n810

Thanks.

> Thanks,
> Maxime
>
> [0]: https://bugzilla.redhat.com/show_bug.cgi?id=1530957#c3