What is the state of this patch, we have a reviewed by but we also have
comments - it is slated for 0.9

On 19 January 2015 at 05:18, Ola Liljedahl <[email protected]> wrote:

> On 17 January 2015 at 23:22, Taras Kondratiuk
> <[email protected]> wrote:
> > On 01/17/2015 01:29 PM, Jerin Jacob wrote:
> >> odp_packet_seg_t is an opaque type, based on the implementation, the
> return
> >> value of odp_packet_last_seg can be changed after headroom/tailroom
> push/pull
> >> operation.
> >
> > No. By definition headroom/tailroom push/pull operations don't change
> > segmentation. So the last segment must remain the same.
> Don't we make segmentation visible to allow ODP implementations to use
> non-consecutive buffers to implement the buffer or packet the
> application is working with? An implementation might need to add
> another segment for a push operation e.g. if there is not space enough
> in the current head or tail segment. And it might be useful for ODP
> implementations to remove unused segments (for pull operations), some
> HW might not like to operate on empty segments (or indeed any segment
> with a small number of bytes of data).
>
> So I can't understand how ODP can define that push and pull operations
> shall *not* affect the underlying segmentation of the packet.
>
> >
> >>
> >> Signed-off-by: Jerin Jacob <[email protected]>
> >> ---
> >>  test/validation/buffer/odp_packet_test.c | 3 +++
> >>  1 file changed, 3 insertions(+)
> >>
> >> diff --git a/test/validation/buffer/odp_packet_test.c
> b/test/validation/buffer/odp_packet_test.c
> >> index b6fa028..7c2b169 100644
> >> --- a/test/validation/buffer/odp_packet_test.c
> >> +++ b/test/validation/buffer/odp_packet_test.c
> >> @@ -289,6 +289,9 @@ static void _verify_tailroom_shift(odp_packet_t pkt,
> >>               tail = odp_packet_pull_tail(pkt, -shift);
> >>       }
> >>
> >> +     seg = odp_packet_last_seg(pkt);
> >> +     CU_ASSERT(seg != ODP_SEGMENT_INVALID);
> >> +
> >>       CU_ASSERT(tail != NULL);
> >>       CU_ASSERT(odp_packet_seg_data_len(pkt, seg) == seg_data_len +
> shift);
> >>       CU_ASSERT(odp_packet_len(pkt) == pkt_data_len + shift);
> >>
> >
> >
> > --
> > Taras Kondratiuk
> >
> > _______________________________________________
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> > [email protected]
> > http://lists.linaro.org/mailman/listinfo/lng-odp
>
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-- 
*Mike Holmes*
Linaro  Sr Technical Manager
LNG - ODP
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