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Date: Fri, 24 Apr 2020 03:17:57 +0000
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X-Bugzilla-Component: ethdev
X-Bugzilla-Version: 20.02
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X-Bugzilla-Who: li_hong.bi@nokia-sbell.com
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Subject: [dpdk-dev] [Bug 461] i40evf link status is always down with the
 Intel XL710 driver
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https://bugs.dpdk.org/show_bug.cgi?id=3D461

            Bug ID: 461
           Summary: i40evf link status is always down with the Intel XL710
                    driver
           Product: DPDK
           Version: 20.02
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: critical
          Priority: Normal
         Component: ethdev
          Assignee: dev@dpdk.org
          Reporter: li_hong.bi@nokia-sbell.com
  Target Milestone: ---

When host uses i40e-2.10.19.82 driver for XL710 nic , in container the link
status is always down when XL710 VF nic uses dpdk i40evf pmd driver.

from code analysis, i40e-2.10.19.82 driver will convert link speed type
(I40E_LINK_SPEED_XXX) to mbs type (SPEED_XXX), but i40evf_dev_link_update()
only support I40E_LINK_SPEED_XXX and regard SPEED_XXX as invalid type.

        default:
                new_link.link_speed =3D ETH_SPEED_NUM_NONE;
                break;
        }
        /* full duplex only */
        new_link.link_duplex =3D ETH_LINK_FULL_DUPLEX;
        new_link.link_status =3D vf->link_up &&
                                new_link.link_speed !=3D ETH_SPEED_NUM_NONE
                                ? ETH_LINK_UP
                                : ETH_LINK_DOWN;

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