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From: Jens Freimann <jfreimann@redhat.com>
To: Tiwei Bie <tiwei.bie@intel.com>
Cc: "Gavin Hu (Arm Technology China)" <Gavin.Hu@arm.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: Tue, 11 Sep 2018 09:16:21 +0200	[thread overview]
Message-ID: <20180911071621.pyacm7c45r6rxtsi@jenstp.localdomain> (raw)
In-Reply-To: <20180910061817.GA10229@debian>

On Mon, Sep 10, 2018 at 02:18:17PM +0800, Tiwei Bie wrote:
>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.

you're right, this doesn't work. I will fix it and test properly.

regards,
Jens 

  reply	other threads:[~2018-09-11  7:16 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
2018-09-11  7:16       ` Jens Freimann [this message]
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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