| /* (C) 1999-2001 Paul `Rusty' Russell |
| * (C) 2002-2004 Netfilter Core Team <coreteam@netfilter.org> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| #include <linux/types.h> |
| #include <linux/sched.h> |
| #include <linux/timer.h> |
| #include <linux/netfilter.h> |
| #include <linux/netfilter_ipv4/ip_conntrack_protocol.h> |
| |
| unsigned long ip_ct_generic_timeout = 600*HZ; |
| |
| static int generic_pkt_to_tuple(const struct sk_buff *skb, |
| unsigned int dataoff, |
| struct ip_conntrack_tuple *tuple) |
| { |
| tuple->src.u.all = 0; |
| tuple->dst.u.all = 0; |
| |
| return 1; |
| } |
| |
| static int generic_invert_tuple(struct ip_conntrack_tuple *tuple, |
| const struct ip_conntrack_tuple *orig) |
| { |
| tuple->src.u.all = 0; |
| tuple->dst.u.all = 0; |
| |
| return 1; |
| } |
| |
| /* Print out the per-protocol part of the tuple. */ |
| static int generic_print_tuple(struct seq_file *s, |
| const struct ip_conntrack_tuple *tuple) |
| { |
| return 0; |
| } |
| |
| /* Print out the private part of the conntrack. */ |
| static int generic_print_conntrack(struct seq_file *s, |
| const struct ip_conntrack *state) |
| { |
| return 0; |
| } |
| |
| /* Returns verdict for packet, or -1 for invalid. */ |
| static int packet(struct ip_conntrack *conntrack, |
| const struct sk_buff *skb, |
| enum ip_conntrack_info ctinfo) |
| { |
| ip_ct_refresh_acct(conntrack, ctinfo, skb, ip_ct_generic_timeout); |
| return NF_ACCEPT; |
| } |
| |
| /* Called when a new connection for this protocol found. */ |
| static int new(struct ip_conntrack *conntrack, const struct sk_buff *skb) |
| { |
| return 1; |
| } |
| |
| struct ip_conntrack_protocol ip_conntrack_generic_protocol = |
| { |
| .proto = 0, |
| .name = "unknown", |
| .pkt_to_tuple = generic_pkt_to_tuple, |
| .invert_tuple = generic_invert_tuple, |
| .print_tuple = generic_print_tuple, |
| .print_conntrack = generic_print_conntrack, |
| .packet = packet, |
| .new = new, |
| }; |