On 1/18/2018 6:12 AM, Hemant Agrawal wrote:
> This patch adds following:
> 1. Option to configure the mac address during create. Generate random
>    address only if the user has not provided any valid address.
> 2. Inform usespace, if mac address is being changed in linux.
> 3. Implement default handling of mac address change in the corresponding
>    ethernet device.
> 
> Signed-off-by: Hemant Agrawal <hemant.agra...@nxp.com>

<...>

> @@ -530,6 +556,14 @@ rte_kni_handle_request(struct rte_kni *kni)
>                       req->result = kni->ops.config_network_if(\
>                                       kni->ops.port_id, req->if_up);
>               break;
> +     case RTE_KNI_REQ_CHANGE_MAC_ADDR: /* Change MAC Address */
> +             if (kni->ops.config_mac_address)
> +                     req->result = kni->ops.config_mac_address(
> +                                     kni->ops.port_id, req->mac_addr);
> +             else if (kni->ops.port_id != UINT16_MAX)

This won't be enough. rte_kni_alloc() can be called with NULL ops value. For
that case m_ctx->ops won't be updated. And by default ops will have all zeros,
not sure how to differentiate it from real port_id zero.

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