[PATCH v2 1/1] app/test: resolve mbuf_test application failure

[Olivier Matz]

Hi Rakesh,

Sorry for the delay.

On Tue, Oct 03, 2023 at 04:20:57AM +0000, Rakesh Kudurumalla wrote:
> Hi Olivier,
> 
> Let me know if you have any comments on this patch.
> 
> Regards,
> Rakesh
> 
> > -----Original Message-----
> > From: Rakesh Kudurumalla <rkudurumalla at marvell.com>
> > Sent: Wednesday, July 26, 2023 11:25 AM
> > To: Olivier Matz <olivier.matz at 6wind.com>
> > Cc: dev at dpdk.org; Jerin Jacob Kollanukkaran <jerinj at marvell.com>; Nithin
> > Kumar Dabilpuram <ndabilpuram at marvell.com>; Rakesh Kudurumalla
> > <rkudurumalla at marvell.com>
> > Subject: [PATCH v2 1/1] app/test: resolve mbuf_test application failure

app/test: fix external mbuf test when assertions enabled

> > 
> > when RTE_ENABLE_ASSERT is defined test_mbuf application is failing
> > because we are trying to attach extbuf to a cloned buffer to which external
> > mbuf is already attached.To make test_mbuf pass CI we have updated
> > ol_flags. This patch fixes the same.
> > 

Fixes: 7b295dceea07 ("test/mbuf: add unit test cases")

> > Signed-off-by: Rakesh Kudurumalla <rkudurumalla at marvell.com>

Acked-by: Olivier Matz <olivier.matz at 6wind.com>

> > ---
> > v2 : Addressed comments by removing extbuf call
> >      as mbuf is already attached
> > 
> >  app/test/test_mbuf.c | 5 +----
> >  1 file changed, 1 insertion(+), 4 deletions(-)
> > 
> > diff --git a/app/test/test_mbuf.c b/app/test/test_mbuf.c index
> > efac01806b..722e1ef624 100644
> > --- a/app/test/test_mbuf.c
> > +++ b/app/test/test_mbuf.c
> > @@ -2345,16 +2345,13 @@ test_pktmbuf_ext_shinfo_init_helper(struct
> > rte_mempool *pktmbuf_pool)
> >  		GOTO_FAIL("%s: External buffer is not attached to mbuf\n",
> >  				__func__);
> > 
> > -	/* allocate one more mbuf */
> > +	/* allocate one more mbuf, it is attached to the same external buffer
> > +*/
> >  	clone = rte_pktmbuf_clone(m, pktmbuf_pool);
> >  	if (clone == NULL)
> >  		GOTO_FAIL("%s: mbuf clone allocation failed!\n", __func__);
> >  	if (rte_pktmbuf_pkt_len(clone) != 0)
> >  		GOTO_FAIL("%s: Bad packet length\n", __func__);
> > 
> > -	/* attach the same external buffer to the cloned mbuf */
> > -	rte_pktmbuf_attach_extbuf(clone, ext_buf_addr, buf_iova,
> > buf_len,
> > -			ret_shinfo);
> >  	if (clone->ol_flags != RTE_MBUF_F_EXTERNAL)
> >  		GOTO_FAIL("%s: External buffer is not attached to mbuf\n",
> >  				__func__);
> > --
> > 2.25.1
>