[ovs-dev] [PATCH 1/3] datapath: Fix max MTU size on RHEL 7.5 kernel
Lucas Alvares Gomes
lucasagomes at gmail.com
Thu Jun 14 12:18:22 UTC 2018
On Tue, Jun 12, 2018 at 1:50 AM, Yi-Hung Wei <yihung.wei at gmail.com> wrote:
> Without the patch, in RHEL 7.5, the maximum configurable MTU of vport
> internal device is 1500, which shall be 65535. This patch fixes this
> issue.
>
> Fixes: 39ca338374ab ("datapath: compat: Fix build on RHEL 7.5")
> Reported-by: Lucas Alvares Gomes <lucasagomes at gmail.com>
> Signed-off-by: Yi-Hung Wei <yihung.wei at gmail.com>
> ---
> datapath/vport-internal_dev.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/datapath/vport-internal_dev.c b/datapath/vport-internal_dev.c
> index 3cb8d06b2475..3fa86815c7fa 100644
> --- a/datapath/vport-internal_dev.c
> +++ b/datapath/vport-internal_dev.c
> @@ -169,6 +169,8 @@ static void do_setup(struct net_device *netdev)
>
> #ifdef HAVE_NET_DEVICE_WITH_MAX_MTU
> netdev->max_mtu = ETH_MAX_MTU;
> +#elif HAVE_RHEL7_MAX_MTU
> + netdev->extended->max_mtu = ETH_MAX_MTU;
> #endif
> netdev->netdev_ops = &internal_dev_netdev_ops;
>
> --
> 2.7.4
>
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Acked-by: Lucas Alvares Gomes <lucasagomes at gmail.com>
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