-/* This file contains all the functions required for the standalone
- nf_conntrack module.
-
- These are not required by the compatibility layer.
-*/
-
/* (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.
- *
- * 16 Dec 2003: Yasuyuki Kozakai @USAGI <yasuyuki.kozakai@toshiba.co.jp>
- * - generalize L3 protocol dependent part.
- *
- * Derived from net/ipv4/netfilter/ip_conntrack_standalone.c
*/
#include <linux/types.h>
#include <linux/sysctl.h>
#endif
-#define ASSERT_READ_LOCK(x)
-#define ASSERT_WRITE_LOCK(x)
-
#include <net/netfilter/nf_conntrack.h>
#include <net/netfilter/nf_conntrack_core.h>
#include <net/netfilter/nf_conntrack_l3proto.h>
MODULE_LICENSE("GPL");
-extern atomic_t nf_conntrack_count;
-DECLARE_PER_CPU(struct ip_conntrack_stat, nf_conntrack_stat);
-
#ifdef CONFIG_PROC_FS
int
print_tuple(struct seq_file *s, const struct nf_conntrack_tuple *tuple,
{
return l3proto->print_tuple(s, tuple) || l4proto->print_tuple(s, tuple);
}
+EXPORT_SYMBOL_GPL(print_tuple);
#ifdef CONFIG_NF_CT_ACCT
static unsigned int
struct nf_conntrack_l3proto *l3proto;
struct nf_conntrack_l4proto *l4proto;
- ASSERT_READ_LOCK(&nf_conntrack_lock);
NF_CT_ASSERT(conntrack);
/* we only want to print DIR_ORIGINAL */
return ret;
}
-static struct file_operations ct_file_ops = {
+static const struct file_operations ct_file_ops = {
.owner = THIS_MODULE,
.open = ct_open,
.read = seq_read,
return seq_open(file, &ct_cpu_seq_ops);
}
-static struct file_operations ct_cpu_seq_fops = {
+static const struct file_operations ct_cpu_seq_fops = {
.owner = THIS_MODULE,
.open = ct_cpu_seq_open,
.read = seq_read,
/* Sysctl support */
int nf_conntrack_checksum __read_mostly = 1;
+EXPORT_SYMBOL_GPL(nf_conntrack_checksum);
#ifdef CONFIG_SYSCTL
-
-/* From nf_conntrack_core.c */
-extern int nf_conntrack_max;
-extern unsigned int nf_conntrack_htable_size;
-
-/* From nf_conntrack_proto_tcp.c */
-extern unsigned int nf_ct_tcp_timeout_syn_sent;
-extern unsigned int nf_ct_tcp_timeout_syn_recv;
-extern unsigned int nf_ct_tcp_timeout_established;
-extern unsigned int nf_ct_tcp_timeout_fin_wait;
-extern unsigned int nf_ct_tcp_timeout_close_wait;
-extern unsigned int nf_ct_tcp_timeout_last_ack;
-extern unsigned int nf_ct_tcp_timeout_time_wait;
-extern unsigned int nf_ct_tcp_timeout_close;
-extern unsigned int nf_ct_tcp_timeout_max_retrans;
-extern int nf_ct_tcp_loose;
-extern int nf_ct_tcp_be_liberal;
-extern int nf_ct_tcp_max_retrans;
-
-/* From nf_conntrack_proto_udp.c */
-extern unsigned int nf_ct_udp_timeout;
-extern unsigned int nf_ct_udp_timeout_stream;
-
-/* From nf_conntrack_proto_generic.c */
-extern unsigned int nf_ct_generic_timeout;
-
/* Log invalid packets of a given protocol */
static int log_invalid_proto_min = 0;
static int log_invalid_proto_max = 255;
.mode = 0644,
.proc_handler = &proc_dointvec,
},
- {
- .ctl_name = NET_NF_CONNTRACK_TCP_TIMEOUT_SYN_SENT,
- .procname = "nf_conntrack_tcp_timeout_syn_sent",
- .data = &nf_ct_tcp_timeout_syn_sent,
- .maxlen = sizeof(unsigned int),
- .mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
- },
- {
- .ctl_name = NET_NF_CONNTRACK_TCP_TIMEOUT_SYN_RECV,
- .procname = "nf_conntrack_tcp_timeout_syn_recv",
- .data = &nf_ct_tcp_timeout_syn_recv,
- .maxlen = sizeof(unsigned int),
- .mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
- },
- {
- .ctl_name = NET_NF_CONNTRACK_TCP_TIMEOUT_ESTABLISHED,
- .procname = "nf_conntrack_tcp_timeout_established",
- .data = &nf_ct_tcp_timeout_established,
- .maxlen = sizeof(unsigned int),
- .mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
- },
- {
- .ctl_name = NET_NF_CONNTRACK_TCP_TIMEOUT_FIN_WAIT,
- .procname = "nf_conntrack_tcp_timeout_fin_wait",
- .data = &nf_ct_tcp_timeout_fin_wait,
- .maxlen = sizeof(unsigned int),
- .mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
- },
- {
- .ctl_name = NET_NF_CONNTRACK_TCP_TIMEOUT_CLOSE_WAIT,
- .procname = "nf_conntrack_tcp_timeout_close_wait",
- .data = &nf_ct_tcp_timeout_close_wait,
- .maxlen = sizeof(unsigned int),
- .mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
- },
- {
- .ctl_name = NET_NF_CONNTRACK_TCP_TIMEOUT_LAST_ACK,
- .procname = "nf_conntrack_tcp_timeout_last_ack",
- .data = &nf_ct_tcp_timeout_last_ack,
- .maxlen = sizeof(unsigned int),
- .mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
- },
- {
- .ctl_name = NET_NF_CONNTRACK_TCP_TIMEOUT_TIME_WAIT,
- .procname = "nf_conntrack_tcp_timeout_time_wait",
- .data = &nf_ct_tcp_timeout_time_wait,
- .maxlen = sizeof(unsigned int),
- .mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
- },
- {
- .ctl_name = NET_NF_CONNTRACK_TCP_TIMEOUT_CLOSE,
- .procname = "nf_conntrack_tcp_timeout_close",
- .data = &nf_ct_tcp_timeout_close,
- .maxlen = sizeof(unsigned int),
- .mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
- },
- {
- .ctl_name = NET_NF_CONNTRACK_UDP_TIMEOUT,
- .procname = "nf_conntrack_udp_timeout",
- .data = &nf_ct_udp_timeout,
- .maxlen = sizeof(unsigned int),
- .mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
- },
- {
- .ctl_name = NET_NF_CONNTRACK_UDP_TIMEOUT_STREAM,
- .procname = "nf_conntrack_udp_timeout_stream",
- .data = &nf_ct_udp_timeout_stream,
- .maxlen = sizeof(unsigned int),
- .mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
- },
- {
- .ctl_name = NET_NF_CONNTRACK_GENERIC_TIMEOUT,
- .procname = "nf_conntrack_generic_timeout",
- .data = &nf_ct_generic_timeout,
- .maxlen = sizeof(unsigned int),
- .mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
- },
{
.ctl_name = NET_NF_CONNTRACK_LOG_INVALID,
.procname = "nf_conntrack_log_invalid",
.extra1 = &log_invalid_proto_min,
.extra2 = &log_invalid_proto_max,
},
- {
- .ctl_name = NET_NF_CONNTRACK_TCP_TIMEOUT_MAX_RETRANS,
- .procname = "nf_conntrack_tcp_timeout_max_retrans",
- .data = &nf_ct_tcp_timeout_max_retrans,
- .maxlen = sizeof(unsigned int),
- .mode = 0644,
- .proc_handler = &proc_dointvec_jiffies,
- },
- {
- .ctl_name = NET_NF_CONNTRACK_TCP_LOOSE,
- .procname = "nf_conntrack_tcp_loose",
- .data = &nf_ct_tcp_loose,
- .maxlen = sizeof(unsigned int),
- .mode = 0644,
- .proc_handler = &proc_dointvec,
- },
- {
- .ctl_name = NET_NF_CONNTRACK_TCP_BE_LIBERAL,
- .procname = "nf_conntrack_tcp_be_liberal",
- .data = &nf_ct_tcp_be_liberal,
- .maxlen = sizeof(unsigned int),
- .mode = 0644,
- .proc_handler = &proc_dointvec,
- },
- {
- .ctl_name = NET_NF_CONNTRACK_TCP_MAX_RETRANS,
- .procname = "nf_conntrack_tcp_max_retrans",
- .data = &nf_ct_tcp_max_retrans,
- .maxlen = sizeof(unsigned int),
- .mode = 0644,
- .proc_handler = &proc_dointvec,
- },
{ .ctl_name = 0 }
};
},
{ .ctl_name = 0 }
};
-EXPORT_SYMBOL(nf_ct_log_invalid);
+EXPORT_SYMBOL_GPL(nf_ct_log_invalid);
#endif /* CONFIG_SYSCTL */
static int __init nf_conntrack_standalone_init(void)
proc_stat->owner = THIS_MODULE;
#endif
#ifdef CONFIG_SYSCTL
- nf_ct_sysctl_header = register_sysctl_table(nf_ct_net_table, 0);
+ nf_ct_sysctl_header = register_sysctl_table(nf_ct_net_table);
if (nf_ct_sysctl_header == NULL) {
printk("nf_conntrack: can't register to sysctl.\n");
ret = -ENOMEM;
static void __exit nf_conntrack_standalone_fini(void)
{
#ifdef CONFIG_SYSCTL
- unregister_sysctl_table(nf_ct_sysctl_header);
+ unregister_sysctl_table(nf_ct_sysctl_header);
#endif
#ifdef CONFIG_PROC_FS
remove_proc_entry("nf_conntrack", proc_net_stat);
void need_conntrack(void)
{
}
-
-#ifdef CONFIG_NF_CONNTRACK_EVENTS
-EXPORT_SYMBOL_GPL(nf_conntrack_chain);
-EXPORT_SYMBOL_GPL(nf_conntrack_expect_chain);
-EXPORT_SYMBOL_GPL(nf_conntrack_register_notifier);
-EXPORT_SYMBOL_GPL(nf_conntrack_unregister_notifier);
-EXPORT_SYMBOL_GPL(__nf_ct_event_cache_init);
-EXPORT_PER_CPU_SYMBOL_GPL(nf_conntrack_ecache);
-EXPORT_SYMBOL_GPL(nf_ct_deliver_cached_events);
-#endif
-EXPORT_SYMBOL(nf_ct_l3proto_try_module_get);
-EXPORT_SYMBOL(nf_ct_l3proto_module_put);
-EXPORT_SYMBOL(nf_conntrack_l3proto_register);
-EXPORT_SYMBOL(nf_conntrack_l3proto_unregister);
-EXPORT_SYMBOL(nf_conntrack_l4proto_register);
-EXPORT_SYMBOL(nf_conntrack_l4proto_unregister);
-EXPORT_SYMBOL(nf_ct_invert_tuplepr);
-EXPORT_SYMBOL(nf_conntrack_destroyed);
-EXPORT_SYMBOL(need_conntrack);
-EXPORT_SYMBOL(nf_conntrack_helper_register);
-EXPORT_SYMBOL(nf_conntrack_helper_unregister);
-EXPORT_SYMBOL(nf_ct_iterate_cleanup);
-EXPORT_SYMBOL(__nf_ct_refresh_acct);
-EXPORT_SYMBOL(nf_ct_protos);
-EXPORT_SYMBOL(__nf_ct_l4proto_find);
-EXPORT_SYMBOL(nf_ct_l4proto_find_get);
-EXPORT_SYMBOL(nf_ct_l4proto_put);
-EXPORT_SYMBOL(nf_ct_l3proto_find_get);
-EXPORT_SYMBOL(nf_ct_l3proto_put);
-EXPORT_SYMBOL(nf_ct_l3protos);
-EXPORT_SYMBOL_GPL(nf_conntrack_checksum);
-EXPORT_SYMBOL(nf_conntrack_expect_alloc);
-EXPORT_SYMBOL(nf_conntrack_expect_put);
-EXPORT_SYMBOL(nf_conntrack_expect_related);
-EXPORT_SYMBOL(nf_conntrack_unexpect_related);
-EXPORT_SYMBOL(nf_conntrack_tuple_taken);
-EXPORT_SYMBOL(nf_conntrack_htable_size);
-EXPORT_SYMBOL(nf_conntrack_lock);
-EXPORT_SYMBOL(nf_conntrack_hash);
-EXPORT_SYMBOL(nf_conntrack_untracked);
-EXPORT_SYMBOL_GPL(nf_conntrack_find_get);
-#ifdef CONFIG_IP_NF_NAT_NEEDED
-EXPORT_SYMBOL(nf_conntrack_tcp_update);
-#endif
-EXPORT_SYMBOL(__nf_conntrack_confirm);
-EXPORT_SYMBOL(nf_ct_get_tuple);
-EXPORT_SYMBOL(nf_ct_invert_tuple);
-EXPORT_SYMBOL(nf_conntrack_in);
-EXPORT_SYMBOL(__nf_conntrack_attach);
-EXPORT_SYMBOL(nf_conntrack_alloc);
-EXPORT_SYMBOL(nf_conntrack_free);
-EXPORT_SYMBOL(nf_conntrack_flush);
-EXPORT_SYMBOL(nf_ct_remove_expectations);
-EXPORT_SYMBOL(nf_ct_helper_find_get);
-EXPORT_SYMBOL(nf_ct_helper_put);
-EXPORT_SYMBOL(__nf_conntrack_helper_find_byname);
-EXPORT_SYMBOL(__nf_conntrack_find);
-EXPORT_SYMBOL(nf_ct_unlink_expect);
-EXPORT_SYMBOL(nf_conntrack_hash_insert);
-EXPORT_SYMBOL(__nf_conntrack_expect_find);
-EXPORT_SYMBOL(nf_conntrack_expect_find);
-EXPORT_SYMBOL(nf_conntrack_expect_list);
-#if defined(CONFIG_NF_CT_NETLINK) || \
- defined(CONFIG_NF_CT_NETLINK_MODULE)
-EXPORT_SYMBOL(nf_ct_port_tuple_to_nfattr);
-EXPORT_SYMBOL(nf_ct_port_nfattr_to_tuple);
-#endif
+EXPORT_SYMBOL_GPL(need_conntrack);