On Tue, 19-05-14, 08:25, Stephen Hemminger wrote:
> On Tue, 14 May 2019 10:18:29 +0300
> Xiaoyu Min <jack...@mellanox.com> wrote:
>
> > Add GRE's checksum, key, and sequence field to the
> > struct rte_flow_item_gre in order to match.
> >
> > Signed-off-by: Xiaoyu Min <jack...@mellanox.com>
> > ---
> > lib/librte_ethdev/rte_flow.h | 4 ++++
> > 1 file changed, 4 insertions(+)
> >
> > diff --git a/lib/librte_ethdev/rte_flow.h b/lib/librte_ethdev/rte_flow.h
> > index 63f84fca65..fb04af3268 100644
> > --- a/lib/librte_ethdev/rte_flow.h
> > +++ b/lib/librte_ethdev/rte_flow.h
> > @@ -847,6 +847,10 @@ struct rte_flow_item_gre {
> > */
> > rte_be16_t c_rsvd0_ver;
> > rte_be16_t protocol; /**< Protocol type. */
> > + rte_be16_t checksum; /**< chksum for the header and payload, optional.*/
> > + rte_be16_t rsvd1; /**< present when C bit is set, optional. */
> > + rte_be32_t key; /**< application specific key value, optional. */
> > + rte_be32_t sequence; /**< sequence num for the GRE packet, optional. */
> > };
> >
> > /** Default mask for RTE_FLOW_ITEM_TYPE_GRE. */
>
> This breaks ABI.
>
> To extend you need to add a new flow item type and keep old
> one as legacy.
OK, I'll add a new flow item.
Thank you.
-Jack
