netdev - Re: [PATCH cumulus-4.1.y 1/5] vxlan: flush fdb entries on oper down

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Date:   Mon, 23 Jan 2017 16:11:44 -0800
From:   Roopa Prabhu <roopa@...ulusnetworks.com>
To:     Stephen Hemminger <stephen@...workplumber.org>
CC:     davem@...emloft.net, netdev@...r.kernel.org,
        ramanb@...ulusnetworks.com, jbenc@...hat.com, pshelar@....org
Subject: Re: [PATCH cumulus-4.1.y 1/5] vxlan: flush fdb entries on oper down

On 1/23/17, 8:59 AM, Stephen Hemminger wrote:
> On Fri, 20 Jan 2017 23:40:06 -0800
> Roopa Prabhu <roopa@...ulusnetworks.com> wrote:
>
>> diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
>> index 19b1653..15b1c23 100644
>> --- a/drivers/net/vxlan.c
>> +++ b/drivers/net/vxlan.c
>> @@ -3276,6 +3276,12 @@ static int vxlan_netdevice_event(struct notifier_block *unused,
>>  		vxlan_handle_lowerdev_unregister(vn, dev);
>>  	else if (event == NETDEV_UDP_TUNNEL_PUSH_INFO)
>>  		vxlan_push_rx_ports(dev);
>> +	else if (event == NETDEV_CHANGE) {
>> +		if (dev->netdev_ops == &vxlan_netdev_ops) {
>> +			if (netif_running(dev) && !netif_oper_up(dev))
>> +				vxlan_flush(netdev_priv(dev));
>> +		}
>> +	}
> Looks correct.
> Maybe logic would be clearer with a switch() statement here.
ack. this was an internal patch i accidentally sent. I have refined it a bit for upstream since then.
will post an update..

thanks