Re: [PATCH V5 2/5] ethdev: fix skip valid port in probing callback

[fengchengwen <fengchengwen@huawei.com>]

On 2023/1/31 11:33, Huisong Li wrote:
> The event callback in application may use the macro RTE_ETH_FOREACH_DEV to
> iterate over all enabled ports to do something(like, verifying the port id
> validity) when receive a probing event. If the ethdev state of a port is
> not RTE_ETH_DEV_UNUSED, this port will be considered as a valid port.
> 
> However, this state is set to RTE_ETH_DEV_ATTACHED after pushing probing
> event. It means that probing callback will skip this port. But this
> assignment can not move to front of probing notification. See
> commit be8cd210379a ("ethdev: fix port probing notification")

...

>  
>  struct rte_eth_dev_sriov {
> diff --git a/lib/ethdev/version.map b/lib/ethdev/version.map
> index 17201fbe0f..094c2a952e 100644
> --- a/lib/ethdev/version.map
> +++ b/lib/ethdev/version.map
> @@ -327,4 +327,5 @@ INTERNAL {
>  	rte_eth_representor_id_get;
>  	rte_eth_switch_domain_alloc;
>  	rte_eth_switch_domain_free;
> +	rte_eth_dev_is_used;

requires alphabetical order.

>  };
>