On 8/24/2020 4:07 PM, Stephen Hemminger wrote:
> The use of if_index in some drivers is wrong.
> It does not match the user expectation in the documentation.
>
> This code:
> dpaa2/dpaa2_ethdev.c: dev_info->if_index = priv->hw_id;
> pfe/pfe_ethdev.c: dev_info->if_index = internals->id;
>
> Does match:
> struct rte_eth_dev_info {
> struct rte_device *device; /** Generic device information */
> const char *driver_name; /**< Device Driver name. */
> unsigned int if_index; /**< Index to bound host interface, or 0 if none.
> Use if_indextoname() to translate into an interface name. */
>
> Also, this code is unnecessary.
>
'if_index' is needed only for some PMDs interact with kernel, like af_packet,
pcap, tap, af_xdp, ...
Agree that it should not be needed for 'dpaa2' or 'pfe'.
