From: David Marchand <david.marchand@redhat.com>
To: Maxime Coquelin <maxime.coquelin@redhat.com>
Cc: dev <dev@dpdk.org>,
ybrustin@cisco.com, Tiwei Bie <tiwei.bie@intel.com>,
Jens Freimann <jfreimann@redhat.com>,
dpdk stable <stable@dpdk.org>
Subject: Re: [dpdk-stable] [PATCH v2 3/4] net/virtio: fix segment data len in mergeable packed Rx path
Date: Wed, 5 Jun 2019 11:34:59 +0200 [thread overview]
Message-ID: <CAJFAV8w+5KC-L=fAuSWgcYipvNrCEMS6Qoy5ur8zTOvMw8M6FA@mail.gmail.com> (raw)
In-Reply-To: <20190605081005.15716-4-maxime.coquelin@redhat.com>
On Wed, Jun 5, 2019 at 10:11 AM Maxime Coquelin <maxime.coquelin@redhat.com>
wrote:
> Head segment data_len field is wrongly summed with the length
> of all the segments of the chain, whereas it should be the
> length of of the first segment only.
>
> Fixes: a76290c8f1cf ("net/virtio: implement Rx path for packed queues")
> Cc: stable@dpdk.org
>
> Reported-by: Yaroslav Brustinov <ybrustin@cisco.com>
> Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
> ---
> drivers/net/virtio/virtio_rxtx.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/net/virtio/virtio_rxtx.c
> b/drivers/net/virtio/virtio_rxtx.c
> index 9469ecb743..33dbc78906 100644
> --- a/drivers/net/virtio/virtio_rxtx.c
> +++ b/drivers/net/virtio/virtio_rxtx.c
> @@ -1914,7 +1914,6 @@ virtio_recv_mergeable_pkts_packed(void *rx_queue,
> prev->next = rxm;
> prev = rxm;
> rx_pkts[nb_rx]->pkt_len += len[extra_idx];
> - rx_pkts[nb_rx]->data_len += len[extra_idx];
> extra_idx += 1;
> }
> seg_res -= rcv_cnt;
> --
> 2.21.0
>
And another one, line 1880 :-)
Reviewed-by: David Marchand <david.marchand@redhat.com>
--
David Marchand
next prev parent reply other threads:[~2019-06-05 9:35 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-05 8:10 [dpdk-stable] [PATCH v2 0/4] net/virtio: Fix packet segmentation bug Maxime Coquelin
2019-06-05 8:10 ` [dpdk-stable] [PATCH v2 1/4] net/virtio: fix segmented packet issue in in-order Rx path Maxime Coquelin
2019-06-05 9:34 ` David Marchand
2019-06-05 8:10 ` [dpdk-stable] [PATCH v2 2/4] net/virtio: fix segmented packet issue in mergeable " Maxime Coquelin
2019-06-05 9:34 ` David Marchand
2019-06-05 8:10 ` [dpdk-stable] [PATCH v2 3/4] net/virtio: fix segment data len in mergeable packed " Maxime Coquelin
2019-06-05 9:34 ` David Marchand [this message]
2019-06-05 8:10 ` [dpdk-stable] [PATCH v2 4/4] net/virtio: remove useless pointers checks Maxime Coquelin
2019-06-05 9:35 ` [dpdk-stable] [dpdk-dev] " David Marchand
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