RE: [EXTERNAL] Re: [PATCH v2 1/1] ethdev: add support to provide link type

[Sunil Kumar Kori <skori@marvell.com>]

> On Fri, 6 Jun 2025 11:54:52 +0200
> Morten Brørup <mb@smartsharesystems.com> wrote:
> 
> > > From: skori@marvell.com [mailto:skori@marvell.com]
> > > Sent: Friday, 6 June 2025 11.28
> > >
> > > From: Sunil Kumar Kori <skori@marvell.com>
> > >
> > > Adding link type parameter to provide the type of port like twisted
> > > pair, fibre etc.
> > >
> > > Also added an API to convert the RTE_ETH_LINK_TYPE_XXX to a readable
> > > string.
> > >
> > > Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
> > > Signed-off-by: Sunil Kumar Kori <skori@marvell.com>
> > > ---
> > > +/**@{@name PORT type
> > > + * Ethernet port type
> > > + */
> > > +#define RTE_ETH_LINK_TYPE_NONE  0x00 /**< Not defined */
> > > +#define RTE_ETH_LINK_TYPE_TP    0x01 /**< Twisted Pair */
> > > +#define RTE_ETH_LINK_TYPE_AUI   0x02 /**< Attachment Unit Interface */
> > > +#define RTE_ETH_LINK_TYPE_MII   0x03 /**< Media Independent Interface
> > > */
> > > +#define RTE_ETH_LINK_TYPE_FIBRE 0x04 /**< Fibre */
> > > +#define RTE_ETH_LINK_TYPE_BNC   0x05 /**< BNC */
> > > +#define RTE_ETH_LINK_TYPE_DA    0x06 /**< Direct Attach copper */
> > > +#define RTE_ETH_LINK_TYPE_OTHER 0x1F /**< Other type */ /**@}*/
> >
> > I don't see the use case for this patch, when only ancient interface types are
> defined.
> > How about RMII, GMII, RGMII, XGMII, XAUI, XAUI4, CAUI4, SFP, SFP+, SFP28, etc.
> >
> > Please don't blindly port stuff from Linux to DPDK.
> >
> >
> 
> Agree with Morten here.
> Plus, it isn't really much use to user unless all drivers report it.
> Also, it breaks ABI (see build failures).

Agreed. I will try to make this implementation more useful and will share next version after handling the suggestions.
Thanks.