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Date:   Mon, 18 Feb 2019 14:31:14 +0200
From:   Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
To:     Callum Sinclair <callum.sinclair@...iedtelesis.co.nz>,
        davem@...emloft.net, kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     nicolas.dichtel@...nd.com
Subject: Re: [PATCH net-next v6] ipmr: ip6mr: Create new sockopt to clear mfc
 cache or vifs

On 17/02/2019 23:07, Callum Sinclair wrote:
> Currently the only way to clear the forwarding cache was to delete the
> entries one by one using the MRT_DEL_MFC socket option or to destroy and
> recreate the socket.
> 
> Create a new socket option which with the use of optional flags can
> clear any combination of multicast entries (static or not static) and
> multicast vifs (static or not static).
> 
> Calling the new socket option MRT_FLUSH with the flags MRT_FLUSH_MFC and
> MRT_FLUSH_VIFS will clear all entries and vifs on the socket except for
> static entries.
> 
> Signed-off-by: Callum Sinclair <callum.sinclair@...iedtelesis.co.nz>
> ---
> v1 -> v2:
>   Implemented additional flags for static entries
> v2 -> v3:
>   Cleaned up flag logic so any combination of routes can be cleared.
>   Fixed style errors
>   Fixed incorrect flag values
> v3 -> v4:
>   Fixed style errors
>   Fixed incorrect flag (MRT_FLUSH was used instead of MRT_FLUSH_VIFS)
> v4 -> v5:
>   Only clear the unresolved queue when MRT_FLUSH_MFC flag is set.
> v5 -> v6:
>   Renamed MRT6_FLUSH_VIFS to MRT6_FLUSH_MIFS
> 
>  include/uapi/linux/mroute.h  |  9 ++++-
>  include/uapi/linux/mroute6.h |  9 ++++-
>  net/ipv4/ipmr.c              | 75 +++++++++++++++++++++-------------
>  net/ipv6/ip6mr.c             | 78 +++++++++++++++++++++++-------------
>  4 files changed, 115 insertions(+), 56 deletions(-)
> 

Looks good to me,
Signed-off-by: Nikolay Aleksandrov <nikolay@...ulusnetworks.com>


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