From: Bill Hong <bhong@brocade.com>
Date: Sat, 27 Dec 2014 18:12:39 +0000 (-0800)
Subject: l2tp : multicast notification to the registered listeners
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~134^2~314
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=33f72e6f0c67f673fd0c63a8182dbd9ffb8cf50b;p=pandora-kernel.git

l2tp : multicast notification to the registered listeners

Previously l2tp module did not provide any means for the user space to
get notified when tunnels/sessions are added/modified/deleted.
This change contains the following
- create a multicast group for the listeners to register.
- notify the registered listeners when the tunnels/sessions are
  created/modified/deleted.

Signed-off-by: Bill Hong <bhong@brocade.com>
Reviewed-by: Stephen Hemminger <stephen@networkplumber.org>
Reviewed-by: Sven-Thorsten Dietrich <sven@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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