From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: Chenbo Xia <chenbo.xia@intel.com>, dev@dpdk.org
Subject: Re: [PATCH] examples/vhost: fix port init failure in mergeable mode
Date: Tue, 16 Nov 2021 11:25:13 +0100 [thread overview]
Message-ID: <29790f97-0ab5-44fb-9972-4b3d921d086b@redhat.com> (raw)
In-Reply-To: <20211104051102.7155-1-chenbo.xia@intel.com>
On 11/4/21 06:11, Chenbo Xia wrote:
> When the example starts in mergeable mode with an i40e port,
> it fails to launch because the examples use default mtu MAX_MTU
> to configure ethdev. The root cause is some devices have Ethernet
> frame overhead and then MAX_MTU will be larger than device's max
> mtu, so the ethdev configure will fail.
>
> This patch checks the device's max mtu before setting the ethdev
> configuration. If the device has a max mtu, use that value to
> configure.
>
> Fixes: 1bb4a528c41f ("ethdev: fix max Rx packet length")
>
> Signed-off-by: Chenbo Xia <chenbo.xia@intel.com>
> Reported-by: Xingguang He <xingguang.he@intel.com>
> ---
> examples/vhost/main.c | 9 +++++++--
> 1 file changed, 7 insertions(+), 2 deletions(-)
>
Applied to dpdk-next-virtio/main.
Thanks,
Maxime
prev parent reply other threads:[~2021-11-16 10:25 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-04 5:11 [dpdk-dev] " Chenbo Xia
2021-11-05 7:32 ` Xia, Chenbo
2021-11-05 9:00 ` Maxime Coquelin
2021-11-16 9:14 ` Maxime Coquelin
2021-11-16 10:25 ` Maxime Coquelin [this message]
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