The patch applies to the current net-next tree. I tried to keep the impact of this to a minimum and to replicate the behaviour of IP_MULTICAST_ALL.
Andre Naujoks (1): ipv6: Add sockopt IPV6_MULTICAST_ALL analogue to IP_MULTICAST_ALL include/linux/ipv6.h | 3 ++- include/uapi/linux/in6.h | 1 + net/ipv6/af_inet6.c | 1 + net/ipv6/ipv6_sockglue.c | 11 +++++++++++ net/ipv6/mcast.c | 2 +- 5 files changed, 16 insertions(+), 2 deletions(-) -- 2.19.0.rc2