On Fri, 11 May 2018 10:32:12 -0700, Yi-Hung Wei wrote:
> --- a/datapath/linux/compat/geneve.c
> +++ b/datapath/linux/compat/geneve.c
> @@ -1271,7 +1271,11 @@ static const struct net_device_ops geneve_netdev_ops =
> {
> .ndo_stop = geneve_stop,
> .ndo_start_xmit = geneve_dev_xmit,
> .ndo_get_stats64 = ip_tunnel_get_stats64,
> +#ifdef HAVE_RHEL7_MAX_MTU
> + .extended.ndo_change_mtu = geneve_change_mtu,
Note that this will never be called by the RHEL kernel unless you
also set .ndo_size to sizeof(struct net_device_ops).
In other words, you've just effectively set .ndo_change_mtu to NULL.
Jiri
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