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For ixgbevf kernel driver, link status changes from down to up will trigger vf kernel driver send IXGBE_VF_RESET message to pf kernel driver, after this, vf kernel driver will disable and enable it self. By these series operations, the vf kernel driver report link up. Besides, all these operations handles in kernel thread. For DPDK user space driver, it only gets link status changes from down to up, but miss IXGBE_VF_RESET message sending and reset itself. If we will add fully implementation of link status change for DPDK user space driver, we need take much more modification. We have aligned that for link status changes from down to up we only notify link is up, users need to reset vf port. Fixes: dc66e5f ("net/ixgbe: improve link state check on VF") Cc: stable@dpdk.org Signed-off-by: Rosen Xu <rosen.xu@intel.com> Signed-off-by: Yanglong Wu <yanglong.wu@intel.com> Acked-by: Qi Zhang <qi.z.zhang@intel.com>
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