Re: [PATCH net-next] ipmr: ip6mr: Create new sockopt to clear mfc cache or vifs

From: Nikolay Aleksandrov
Date: Fri Feb 08 2019 - 16:40:43 EST


On 08/02/2019 17:08, Nicolas Dichtel wrote:
> Le 08/02/2019 Ã 15:43, Nikolay Aleksandrov a ÃcritÂ:
>> On 08/02/2019 16:18, Nicolas Dichtel wrote:
>>> Le 08/02/2019 Ã 05:11, Callum Sinclair a ÃcritÂ:
>>>> Currently the only way to clear the mfc cache was to delete the entries
>>> mfc stands for 'multicast forwarding cache', so 'mfc cache' is a bit strange.
>>>
>>>> one by one using the MRT_DEL_MFC socket option or to destroy and
>>>> recreate the socket.
>>> Note that if entries were added with MRT_ADD_MFC_PROXY, they will survive to the
>>> socket destruction. This is not the case with your new cmd. Is it intended?
>>
>> I think you're referring to MFC_STATIC entries (sk != mroute_sk). It
>> doesn't matter how you add an entry - they all get cleaned up if added
>> through the mroute socket.
> Yes, right.
> MRT_FLUSH_MFC_STATIC ?
>

Sounds good to me.