From: Joakim Tjernlund <Joakim.Tjernlund@infinera.com>
To: "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"madalin.bucur@nxp.com" <madalin.bucur@nxp.com>,
"leoyang.li@nxp.com" <leoyang.li@nxp.com>,
"laurentiu.tudor@nxp.com" <laurentiu.tudor@nxp.com>,
"roy.pledge@nxp.com" <roy.pledge@nxp.com>,
"camelia.groza@nxp.com" <camelia.groza@nxp.com>
Cc: "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"davem@davemloft.net" <davem@davemloft.net>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"iommu@lists.linux-foundation.org"
<iommu@lists.linux-foundation.org>
Subject: Re: [PATCH 13/13] dpaa_eth: fix SG frame cleanup
Date: Fri, 29 Mar 2019 15:25:22 +0000 [thread overview]
Message-ID: <702d2baba6c2c131c1ae59607943eb8f8813d250.camel@infinera.com> (raw)
In-Reply-To: <20190329140014.8126-14-laurentiu.tudor@nxp.com>
Should this one go stable 4.14/4.19 too?
On Fri, 2019-03-29 at 16:00 +0200, laurentiu.tudor@nxp.com wrote:
>
> From: Laurentiu Tudor <laurentiu.tudor@nxp.com>
>
> Fix issue with the entry indexing in the sg frame cleanup code being
> off-by-1. This problem showed up when doing some basic iperf tests and
> manifested in traffic coming to a halt.
>
> Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
> Acked-by: Madalin Bucur <madalin.bucur@nxp.com>
> ---
> drivers/net/ethernet/freescale/dpaa/dpaa_eth.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
> index daede7272768..40420edc9ce6 100644
> --- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
> +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
> @@ -1663,7 +1663,7 @@ static struct sk_buff *dpaa_cleanup_tx_fd(const struct dpaa_priv *priv,
> qm_sg_entry_get_len(&sgt[0]), dma_dir);
>
> /* remaining pages were mapped with skb_frag_dma_map() */
> - for (i = 1; i < nr_frags; i++) {
> + for (i = 1; i <= nr_frags; i++) {
> WARN_ON(qm_sg_entry_is_ext(&sgt[i]));
>
> dma_unmap_page(dev, qm_sg_addr(&sgt[i]),
> --
> 2.17.1
>
next prev parent reply other threads:[~2019-03-29 15:25 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-29 14:00 [PATCH 00/13] Prerequisites for NXP LS104xA SMMU enablement laurentiu.tudor
2019-03-29 14:00 ` [PATCH 01/13] soc/fsl/qman: fixup liodns only on ppc targets laurentiu.tudor
2019-03-29 21:50 ` Li Yang
2019-04-01 10:21 ` Laurentiu Tudor
2019-03-29 14:00 ` [PATCH 02/13] soc/fsl/bman: map FBPR area in the iommu laurentiu.tudor
2019-03-29 14:50 ` Robin Murphy
2019-04-01 11:04 ` Laurentiu Tudor
2019-04-19 13:41 ` Laurentiu Tudor
2019-03-29 21:16 ` Li Yang
2019-04-01 11:15 ` Laurentiu Tudor
2019-03-29 14:00 ` [PATCH 03/13] soc/fsl/qman: map FQD and PFDR areas " laurentiu.tudor
2019-03-29 14:00 ` [PATCH 04/13] soc/fsl/qman-portal: map CENA area " laurentiu.tudor
2019-03-29 14:00 ` [PATCH 05/13] soc/fsl/bqman: page align iommu mapping sizes laurentiu.tudor
2019-03-29 22:06 ` Li Yang
2019-04-01 10:18 ` Laurentiu Tudor
2019-03-29 14:00 ` [PATCH 06/13] soc/fsl/qbman_portals: add APIs to retrieve the probing status laurentiu.tudor
2019-04-01 22:12 ` Li Yang
2019-03-29 14:00 ` [PATCH 07/13] fsl/fman: backup and restore ICID registers laurentiu.tudor
2019-03-29 14:00 ` [PATCH 08/13] fsl/fman: add API to get the device behind a fman port laurentiu.tudor
2019-03-29 14:00 ` [PATCH 09/13] dpaa_eth: defer probing after qbman laurentiu.tudor
2019-03-29 14:00 ` [PATCH 10/13] dpaa_eth: base dma mappings on the fman rx port laurentiu.tudor
2019-03-29 14:00 ` [PATCH 11/13] dpaa_eth: fix iova handling for contiguous frames laurentiu.tudor
2019-03-29 14:00 ` [PATCH 12/13] dpaa_eth: fix iova handling for sg frames laurentiu.tudor
2019-03-29 14:00 ` [PATCH 13/13] dpaa_eth: fix SG frame cleanup laurentiu.tudor
2019-03-29 15:25 ` Joakim Tjernlund [this message]
2019-04-01 10:41 ` Laurentiu Tudor
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