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From: Cody Doucette <doucette@bu.edu>
Date: Tue, 28 Nov 2017 18:33:02 -0500
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To: Ferruh Yigit <ferruh.yigit@intel.com>
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Subject: Re: [dpdk-users] using the KNI on Amazon EC2
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On Mon, Nov 27, 2017 at 6:59 PM, Ferruh Yigit <ferruh.yigit@intel.com>
wrote:
> Bringing interface up via ifconfig should be working.
> Are you testing kni sample app or kni pmd?

Indeed it does work!

The issue turned out to be that my implementation for the KNI
config_network_if() callback was using the
dev_set_link_up/dev_set_link_down APIs, as the IP pipeline example does.
However, the KNI sample application uses the dev_start/dev_stop/link_update
APIs to implement configuring the interface.

The ENA driver does not implement dev_set_link_up/dev_set_link_down, so I
was getting an error that the operation not supported. Using the
config_network_if() callback implementation that the KNI sample application
uses works!

Thank you.