projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 9fb9cbb1 YK |
1 | /* |
| 2 | * (C) 2003,2004 USAGI/WIDE Project <http://www.linux-ipv6.org> | |
| 3 | * | |
| 4 | * Based largely upon the original ip_conntrack code which | |
| 5 | * had the following copyright information: | |
| 6 | * | |
| 7 | * (C) 1999-2001 Paul `Rusty' Russell | |
| 8 | * (C) 2002-2004 Netfilter Core Team <coreteam@netfilter.org> | |
| 9 | * | |
| 10 | * This program is free software; you can redistribute it and/or modify | |
| 11 | * it under the terms of the GNU General Public License version 2 as | |
| 12 | * published by the Free Software Foundation. | |
| 13 | * | |
| 14 | * Author: | |
| 15 | * Yasuyuki Kozakai @USAGI <yasuyuki.kozakai@toshiba.co.jp> | |
| 16 | */ | |
| 17 | ||
| 9fb9cbb1 YK |
18 | #include <linux/types.h> |
| 19 | #include <linux/ip.h> | |
| 20 | #include <linux/netfilter.h> | |
| 21 | #include <linux/module.h> | |
| 22 | #include <linux/skbuff.h> | |
| 23 | #include <linux/icmp.h> | |
| 24 | #include <linux/sysctl.h> | |
| 25 | #include <net/ip.h> | |
| 26 | ||
| 27 | #include <linux/netfilter_ipv4.h> | |
| 28 | #include <net/netfilter/nf_conntrack.h> | |
| 605dcad6 | 29 | #include <net/netfilter/nf_conntrack_l4proto.h> |
| 9fb9cbb1 YK |
30 | #include <net/netfilter/nf_conntrack_l3proto.h> |
| 31 | #include <net/netfilter/nf_conntrack_core.h> | |
| 32 | #include <net/netfilter/ipv4/nf_conntrack_ipv4.h> | |
| 33 | ||
| 9fb9cbb1 YK |
34 | static int generic_pkt_to_tuple(const struct sk_buff *skb, unsigned int nhoff, |
| 35 | struct nf_conntrack_tuple *tuple) | |
| 36 | { | |
| 37 | memset(&tuple->src.u3, 0, sizeof(tuple->src.u3)); | |
| 38 | memset(&tuple->dst.u3, 0, sizeof(tuple->dst.u3)); | |
| 39 | ||
| 40 | return 1; | |
| 41 | } | |
| 42 | ||
| 43 | static int generic_invert_tuple(struct nf_conntrack_tuple *tuple, | |
| 44 | const struct nf_conntrack_tuple *orig) | |
| 45 | { | |
| 46 | memset(&tuple->src.u3, 0, sizeof(tuple->src.u3)); | |
| 47 | memset(&tuple->dst.u3, 0, sizeof(tuple->dst.u3)); | |
| 48 | ||
| 49 | return 1; | |
| 50 | } | |
| 51 | ||
| 52 | static int generic_print_tuple(struct seq_file *s, | |
| 53 | const struct nf_conntrack_tuple *tuple) | |
| 54 | { | |
| 55 | return 0; | |
| 56 | } | |
| 57 | ||
| 58 | static int generic_print_conntrack(struct seq_file *s, | |
| 59 | const struct nf_conn *conntrack) | |
| 60 | { | |
| 61 | return 0; | |
| 62 | } | |
| 63 | ||
| ffc30690 YK |
64 | static int generic_get_l4proto(const struct sk_buff *skb, unsigned int nhoff, |
| 65 | unsigned int *dataoff, u_int8_t *protonum) | |
| 9fb9cbb1 YK |
66 | { |
| 67 | /* Never track !!! */ | |
| 68 | return -NF_ACCEPT; | |
| 69 | } | |
| 70 | ||
| 71 | ||
| 61075af5 | 72 | struct nf_conntrack_l3proto nf_conntrack_l3proto_generic __read_mostly = { |
| 9fb9cbb1 YK |
73 | .l3proto = PF_UNSPEC, |
| 74 | .name = "unknown", | |
| 75 | .pkt_to_tuple = generic_pkt_to_tuple, | |
| 76 | .invert_tuple = generic_invert_tuple, | |
| 77 | .print_tuple = generic_print_tuple, | |
| 78 | .print_conntrack = generic_print_conntrack, | |
| ffc30690 | 79 | .get_l4proto = generic_get_l4proto, |
| 9fb9cbb1 | 80 | }; |
| e4bd8bce | 81 | EXPORT_SYMBOL_GPL(nf_conntrack_l3proto_generic); |