Hi Rongwei,
> -----Original Message-----
> From: Rongwei Liu <rongw...@nvidia.com>
> Sent: Friday, May 26, 2023 6:22 AM
>
> HI @Ori Kam @NBU-Contact-Thomas Monjalon (EXTERNAL) @Andrew
> Rybchenko
> Can you share some comments on this?
> Thanks.
>
> BR
> Rongwei
>
> > -----Original Message-----
> > From: Rongwei Liu <rongw...@nvidia.com>
> > Sent: Tuesday, March 28, 2023 20:28
> > To: dev@dpdk.org; Matan Azrad <ma...@nvidia.com>; Slava Ovsiienko
> > <viachesl...@nvidia.com>; Ori Kam <or...@nvidia.com>; NBU-Contact-
> > Thomas Monjalon (EXTERNAL) <tho...@monjalon.net>
> > Cc: Aman Singh <aman.deep.si...@intel.com>; Yuying Zhang
> > <yuying.zh...@intel.com>; Olivier Matz <olivier.m...@6wind.com>
> > Subject: [PATCH v2] app/testpmd: set srv6 header without any TLV
> >
> > External email: Use caution opening links or attachments
> >
> >
> > When the type field of the IPv6 routing extension is 4, it means segment
> > routing header.
> >
> > In this case, set the last_entry to be segment_left minus 1 if the user
> doesn't
> > specify the header length explicitly.
> >
> > Signed-off-by: Rongwei Liu <rongw...@nvidia.com>
> >
> > v2: add macro definition for segment routing header.
> > ---
> > app/test-pmd/cmdline_flow.c | 3 +++
> > lib/net/rte_ip.h | 3 +++
> > 2 files changed, 6 insertions(+)
> >
> > diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c
> > index 5fbc450849..09f417b76e 100644
> > --- a/app/test-pmd/cmdline_flow.c
> > +++ b/app/test-pmd/cmdline_flow.c
> > @@ -12817,6 +12817,9 @@ cmd_set_raw_parsed(const struct buffer *in)
> > size = sizeof(struct rte_ipv6_routing_ext) +
> > (ext->hdr.segments_left << 4);
> > ext->hdr.hdr_len = ext->hdr.segments_left
> > << 1;
> > + /* Srv6 without TLV. */
> > + if (ext->hdr.type == RTE_IPV6_SRCRT_TYPE_4)
> > + ext->hdr.last_entry =
> > + ext->hdr.segments_left - 1;
> > } else {
> > size = sizeof(struct rte_ipv6_routing_ext) +
> > (ext->hdr.hdr_len << 3); diff --git
> > a/lib/net/rte_ip.h
> > b/lib/net/rte_ip.h index 337fad15d7..cfdbfb86ba 100644
> > --- a/lib/net/rte_ip.h
> > +++ b/lib/net/rte_ip.h
> > @@ -540,6 +540,9 @@ struct rte_ipv6_hdr {
> > uint8_t dst_addr[16]; /**< IP address of destination host(s). */
> > }
> > __rte_packed;
> >
> > +/* IPv6 routing extension type definition. */ #define
> > +RTE_IPV6_SRCRT_TYPE_4 4
> > +
> > /**
> > * IPv6 Routing Extension Header
> > */
> > --
> > 2.27.0
Acked-by: Ori Kam <or...@nvidia.com>
Best,
Ori
