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From: Tiwei Bie <tiwei.bie@intel.com>
To: "Gavin Hu (Arm Technology China)" <Gavin.Hu@arm.com>
Cc: Jens Freimann <jfreimann@redhat.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	"maxime.coquelin@redhat.com" <maxime.coquelin@redhat.com>
Subject: Re: [dpdk-dev] [PATCH v5 05/11] net/virtio: dump packed virtqueue data
Date: Mon, 10 Sep 2018 14:18:17 +0800	[thread overview]
Message-ID: <20180910061817.GA10229@debian> (raw)
In-Reply-To: <VI1PR08MB3167DF4200319C92EF6E2C618F050@VI1PR08MB3167.eurprd08.prod.outlook.com>

On Mon, Sep 10, 2018 at 06:02:19AM +0000, Gavin Hu (Arm Technology China) wrote:
> 
> 
> > -----Original Message-----
> > From: dev <dev-bounces@dpdk.org> On Behalf Of Jens Freimann
> > Sent: Friday, September 7, 2018 2:20 AM
> > To: dev@dpdk.org
> > Cc: tiwei.bie@intel.com; maxime.coquelin@redhat.com
> > Subject: [dpdk-dev] [PATCH v5 05/11] net/virtio: dump packed virtqueue
> > data
> >
> > Add support to dump packed virtqueue data to the
> > VIRTQUEUE_DUMP() macro.
> >
> > Signed-off-by: Jens Freimann <jfreimann@redhat.com>
> 
> Acked-by: Gavin Hu <gavin.hu@arm.com>
> 
> > ---
> >  drivers/net/virtio/virtqueue.h | 6 ++++++
> >  1 file changed, 6 insertions(+)
> >
> > diff --git a/drivers/net/virtio/virtqueue.h b/drivers/net/virtio/virtqueue.h
> > index 53fce61b4..531ba8c65 100644
> > --- a/drivers/net/virtio/virtqueue.h
> > +++ b/drivers/net/virtio/virtqueue.h
> > @@ -384,6 +384,12 @@ virtqueue_notify(struct virtqueue *vq)
> >  uint16_t used_idx, nused; \
> >  used_idx = (vq)->vq_ring.used->idx; \

The vq_ring.used doesn't exist in packed ring.

> >  nused = (uint16_t)(used_idx - (vq)->vq_used_cons_idx); \

The nused can't be calculated in this way in
packed ring.

> > +if (vtpci_packed_queue((vq)->hw)) { \
> > +  PMD_INIT_LOG(DEBUG, \
> > +  "VQ: - size=%d; free=%d; last_used_idx=%d;", \
> > +  (vq)->vq_nentries, (vq)->vq_free_cnt, nused); \

And nused doesn't mean last_used_idx.

> > +  break; \
> > +} \
> >  PMD_INIT_LOG(DEBUG, \
> >    "VQ: - size=%d; free=%d; used=%d; desc_head_idx=%d;" \
> >    " avail.idx=%d; used_cons_idx=%d; used.idx=%d;" \
> > --
> > 2.17.1
> 
> IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you.

  reply	other threads:[~2018-09-10  6:19 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-06 18:19 [dpdk-dev] [PATCH v5 00/11] implement packed virtqueues Jens Freimann
2018-09-06 18:19 ` [dpdk-dev] [PATCH v5 01/11] net/virtio: vring init for packed queues Jens Freimann
2018-09-10  5:48   ` Gavin Hu (Arm Technology China)
2018-09-12  8:02   ` Maxime Coquelin
2018-09-12  9:04     ` Jens Freimann
2018-09-06 18:19 ` [dpdk-dev] [PATCH v5 02/11] net/virtio: add virtio 1.1 defines Jens Freimann
2018-09-10  5:22   ` Gavin Hu (Arm Technology China)
2018-09-10  6:07     ` Tiwei Bie
2018-09-11  7:18     ` Jens Freimann
2018-09-06 18:19 ` [dpdk-dev] [PATCH v5 03/11] net/virtio: add packed virtqueue helpers Jens Freimann
2018-09-12  8:25   ` Maxime Coquelin
2018-09-12  9:04     ` Jens Freimann
2018-09-06 18:19 ` [dpdk-dev] [PATCH v5 04/11] net/virtio: flush packed receive virtqueues Jens Freimann
2018-09-12  9:12   ` Maxime Coquelin
2018-09-12  9:49     ` Jens Freimann
2018-09-06 18:19 ` [dpdk-dev] [PATCH v5 05/11] net/virtio: dump packed virtqueue data Jens Freimann
2018-09-10  6:02   ` Gavin Hu (Arm Technology China)
2018-09-10  6:18     ` Tiwei Bie [this message]
2018-09-11  7:16       ` Jens Freimann
2018-09-12  9:13   ` Maxime Coquelin
2018-09-06 18:19 ` [dpdk-dev] [PATCH v5 06/11] net/virtio-user: add option to use packed queues Jens Freimann
2018-09-10  6:32   ` Gavin Hu (Arm Technology China)
2018-09-21 10:05     ` Jens Freimann
2018-09-12  9:25   ` Maxime Coquelin
2018-09-06 18:19 ` [dpdk-dev] [PATCH v5 07/11] net/virtio: implement transmit path for " Jens Freimann
2018-09-10  7:13   ` Gavin Hu (Arm Technology China)
2018-09-10  9:39   ` Gavin Hu (Arm Technology China)
2018-09-12 14:58   ` Maxime Coquelin
2018-09-13  9:15   ` Tiwei Bie
2018-09-06 18:19 ` [dpdk-dev] [PATCH v5 08/11] net/virtio: implement receive " Jens Freimann
2018-09-10 10:56   ` Gavin Hu (Arm Technology China)
2018-09-06 18:19 ` [dpdk-dev] [PATCH v5 09/11] net/virtio: disable ctrl virtqueue for packed rings Jens Freimann
2018-09-14  5:32   ` Tiwei Bie
2018-09-17  9:11     ` Jens Freimann
2018-09-06 18:19 ` [dpdk-dev] [PATCH v5 10/11] net/virtio: add support for mergeable buffers with packed virtqueues Jens Freimann
2018-09-06 18:19 ` [dpdk-dev] [PATCH v5 11/11] net/virtio: add support for event suppression Jens Freimann

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