From: "Wu, Jingjing" <jingjing.wu@intel.com>
To: "Iremonger, Bernard" <bernard.iremonger@intel.com>,
"dev@dpdk.org" <dev@dpdk.org>
Cc: "stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-stable] [PATCH v6 2/2] app/testpmd: fix port stop
Date: Fri, 3 Feb 2017 08:21:33 +0000 [thread overview]
Message-ID: <9BB6961774997848B5B42BEC655768F810CD3C32@SHSMSX103.ccr.corp.intel.com> (raw)
In-Reply-To: <1485514200-25230-3-git-send-email-bernard.iremonger@intel.com>
> -----Original Message-----
> From: Iremonger, Bernard
> Sent: Friday, January 27, 2017 6:50 PM
> To: dev@dpdk.org; Wu, Jingjing <jingjing.wu@intel.com>
> Cc: Iremonger, Bernard <bernard.iremonger@intel.com>; stable@dpdk.org
> Subject: [PATCH v6 2/2] app/testpmd: fix port stop
>
> The rte_eth_dev_stop function is not called if the port_status is not
> RTE_PORT_STARTED. This can happen if the rte_eth_dev_start function is
> called directly, ie not through the start_port function.
>
> Make sure rte_eth_dev_stop is always called in stop_port function.
>
> Fixes: ce8d561418d4 ("app/testpmd: add port configuration settings")
>
> CC: stable@dpdk.org
> Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
> ---
> app/test-pmd/testpmd.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c index
> 3d25436..0d7a4d4 100644
> --- a/app/test-pmd/testpmd.c
> +++ b/app/test-pmd/testpmd.c
> @@ -1490,13 +1490,13 @@ stop_port(portid_t pid)
> continue;
> }
>
> + rte_eth_dev_stop(pi);
> +
> port = &ports[pi];
> if (rte_atomic16_cmpset(&(port->port_status),
> RTE_PORT_STARTED,
> RTE_PORT_HANDLING) == 0)
> continue;
>
> - rte_eth_dev_stop(pi);
> -
I don't think this fix is correct to move rte_eth_dev_stop above.
We need to make sure rte_eth_dev_start is called in start_port. For vmdq configuration,
You just need to change the configuration when port is stopped.
next prev parent reply other threads:[~2017-02-03 8:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1485354963-17326-1-git-send-email-bernard.iremonger@intel.com>
2017-01-27 10:50 ` Bernard Iremonger
2017-02-03 8:21 ` Wu, Jingjing [this message]
2017-02-03 10:37 ` Iremonger, Bernard
2017-02-12 4:34 ` Wu, Jingjing
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