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

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Message-Id: <20190208041103.31299-1-callum.sinclair@alliedtelesis.co.nz>
Date:   Fri,  8 Feb 2019 17:11:02 +1300
From:   Callum Sinclair <callum.sinclair@...iedtelesis.co.nz>
To:     davem@...emloft.net, kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org,
        nikolay@...ulusnetworks.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Callum Sinclair <callum.sinclair@...iedtelesis.co.nz>
Subject: [PATCH net-next] ipmr: ip6mr: Create new sockopt to clear mfc cache or vifs

Created a way to clear the multicast forwarding cache on a socket
without having to either remove the entries manually using the delete
entry socket option or destroy and recreate the multicast socket.

Using the flags MRT_FLUSH_ENTRIES and MRT_FLUSH_VIFS, all multicast
entries can be cleared, all multicast interfaces can be closed or both
can be cleared using one sockopt call.

Callum Sinclair (1):
  ipmr: ip6mr: Create new sockopt to clear mfc cache or vifs

 include/uapi/linux/mroute.h  |  7 +++-
 include/uapi/linux/mroute6.h |  7 +++-
 net/ipv4/ipmr.c              | 69 ++++++++++++++++++++-------------
 net/ipv6/ip6mr.c             | 74 ++++++++++++++++++++++--------------
 4 files changed, 100 insertions(+), 57 deletions(-)

-- 
2.20.1