nf_nat_irc 123 net/netfilter/nf_conntrack_irc.c typeof(nf_nat_irc_hook) nf_nat_irc; nf_nat_irc 210 net/netfilter/nf_conntrack_irc.c nf_nat_irc = rcu_dereference(nf_nat_irc_hook); nf_nat_irc 211 net/netfilter/nf_conntrack_irc.c if (nf_nat_irc && ct->status & IPS_NAT_MASK) nf_nat_irc 212 net/netfilter/nf_conntrack_irc.c ret = nf_nat_irc(skb, ctinfo, protoff,