[PATCH] netfilter: nf_conntrack: Add conntrack helper for ESP/IPsec

enable the ESP/IPsec conntrack helper. Signed-off-by: Cole Dishington --- Notes: changes in v2: - Move from homegrown hashtables to rhashtables and rhltable. - Add net_hash_mix to hashtable key to share hashtables over netns. - Move the _esp_table and hashtables from per net

[PATCH] netfilter: nf_conntrack: Add conntrack helper for ESP/IPsec

enable the ESP/IPsec conntrack helper. Signed-off-by: Cole Dishington --- .../linux/netfilter/nf_conntrack_proto_esp.h | 25 + .../net/netfilter/ipv4/nf_conntrack_ipv4.h| 3 + include/net/netfilter/nf_conntrack.h | 2 + include/net/netfilter/nf_conntrack_l4proto.h | 15