projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* (C) 1999-2001 Paul `Rusty' Russell |
| 2 | * (C) 2002-2004 Netfilter Core Team <coreteam@netfilter.org> | |
| 3 | * | |
| 4 | * This program is free software; you can redistribute it and/or modify | |
| 5 | * it under the terms of the GNU General Public License version 2 as | |
| 6 | * published by the Free Software Foundation. | |
| 7 | */ | |
| 8 | ||
| 9 | #include <linux/types.h> | |
| 10 | #include <linux/sched.h> | |
| 11 | #include <linux/timer.h> | |
| 12 | #include <linux/netfilter.h> | |
| 13 | #include <linux/netfilter_ipv4/ip_conntrack_protocol.h> | |
| 14 | ||
| 94aec08e | 15 | unsigned int ip_ct_generic_timeout __read_mostly = 600*HZ; |
| 1da177e4 LT |
16 | |
| 17 | static int generic_pkt_to_tuple(const struct sk_buff *skb, | |
| 18 | unsigned int dataoff, | |
| 19 | struct ip_conntrack_tuple *tuple) | |
| 20 | { | |
| 21 | tuple->src.u.all = 0; | |
| 22 | tuple->dst.u.all = 0; | |
| 23 | ||
| 24 | return 1; | |
| 25 | } | |
| 26 | ||
| 27 | static int generic_invert_tuple(struct ip_conntrack_tuple *tuple, | |
| 28 | const struct ip_conntrack_tuple *orig) | |
| 29 | { | |
| 30 | tuple->src.u.all = 0; | |
| 31 | tuple->dst.u.all = 0; | |
| 32 | ||
| 33 | return 1; | |
| 34 | } | |
| 35 | ||
| 36 | /* Print out the per-protocol part of the tuple. */ | |
| 37 | static int generic_print_tuple(struct seq_file *s, | |
| 38 | const struct ip_conntrack_tuple *tuple) | |
| 39 | { | |
| 40 | return 0; | |
| 41 | } | |
| 42 | ||
| 43 | /* Print out the private part of the conntrack. */ | |
| 44 | static int generic_print_conntrack(struct seq_file *s, | |
| 45 | const struct ip_conntrack *state) | |
| 46 | { | |
| 47 | return 0; | |
| 48 | } | |
| 49 | ||
| 50 | /* Returns verdict for packet, or -1 for invalid. */ | |
| 51 | static int packet(struct ip_conntrack *conntrack, | |
| 52 | const struct sk_buff *skb, | |
| 53 | enum ip_conntrack_info ctinfo) | |
| 54 | { | |
| 55 | ip_ct_refresh_acct(conntrack, ctinfo, skb, ip_ct_generic_timeout); | |
| 56 | return NF_ACCEPT; | |
| 57 | } | |
| 58 | ||
| 59 | /* Called when a new connection for this protocol found. */ | |
| 60 | static int new(struct ip_conntrack *conntrack, const struct sk_buff *skb) | |
| 61 | { | |
| 62 | return 1; | |
| 63 | } | |
| 64 | ||
| 65 | struct ip_conntrack_protocol ip_conntrack_generic_protocol = | |
| 66 | { | |
| 67 | .proto = 0, | |
| 68 | .name = "unknown", | |
| 69 | .pkt_to_tuple = generic_pkt_to_tuple, | |
| 70 | .invert_tuple = generic_invert_tuple, | |
| 71 | .print_tuple = generic_print_tuple, | |
| 72 | .print_conntrack = generic_print_conntrack, | |
| 73 | .packet = packet, | |
| 74 | .new = new, | |
| 75 | }; |