netfilter: ipset: add markmask for hash:ip,mark data type

Introduce packet mark mask for hash:ip,mark data type. This allows to
set mark bit filter for the ip set.

Change-Id: Id8dd9ca7e64477c4f7b022a1d9c1a5b187f1c96e

Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
3 files changed