[dpdk-dev] [PATCH] doc: announce ABI change for struct rte_eth_conf

Liu, Jijiang jijiang.liu at intel.com
Mon Dec 7 08:47:56 CET 2015



> -----Original Message-----
> From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com]
> Sent: Monday, December 07, 2015 11:40 AM
> To: Liu, Jijiang
> Cc: dev at dpdk.org
> Subject: Re: [dpdk-dev] [PATCH] doc: announce ABI change for struct
> rte_eth_conf
> 
> 2015-12-07 03:30, Liu, Jijiang:
> > Hi Thomas,
> >
> > > -----Original Message-----
> > > From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com]
> > > Sent: Monday, December 07, 2015 11:17 AM
> > > To: Liu, Jijiang
> > > Cc: dev at dpdk.org
> > > Subject: Re: [dpdk-dev] [PATCH] doc: announce ABI change for struct
> > > rte_eth_conf
> > >
> > > 2015-12-07 11:01, Jijiang Liu:
> > > > +* ABI changes are planned for struct rte_eth_conf in order to
> > > > +support
> > > > +  tunneling packet configuration in unified tunneling API. The
> > > > +release 2.2
> > > does not contain these ABI
> > > > +  changes, but release 2.3 will, and no backwards compatibility is
> planned.
> > >
> > > Please, more details would be appreciated.
> > > We need to decide whether an ABI deprecation is the right choice.
> >
> > * ABI changes are planned for struct rte_eth_conf in order to support
> >   tunneling packet configuration in unified tunneling APIs, which is the
> rte_eth_dev_tunnel_configure
> >   (uint8_t port_id, uint16_t rx_q, uint16_t tx_q, rte_eth_tunnel_conf *
> tunnel_conf) API is planned to add.
> >   and the 'tunnel_conf' shloud be stored in global 'rte_eth_conf'.
> >   The release 2.2 does not contain these ABI change, but release 2.3 will,
> and no backwards compatibility is planned.
> >
> > Is it enough clear?
> 
> No, I think we need an explanation in the commit message of what is the
> purpose of rte_eth_dev_tunnel_configure() and tunnel_conf.
Ok, will do.
> Ideally, an RFC patch would help.
I'm working  on RFC patch, but it probably will miss merge timeslot of this release.


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