* 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>
- * - enable working with L3 protocol independent connection tracking.
- *
- * Derived from net/ipv4/netfilter/ip_conntrack_proto_generic.c
*/
#include <linux/types.h>
-#include <linux/sched.h>
+#include <linux/jiffies.h>
#include <linux/timer.h>
#include <linux/netfilter.h>
-#include <net/netfilter/nf_conntrack_protocol.h>
+#include <net/netfilter/nf_conntrack_l4proto.h>
-unsigned int nf_ct_generic_timeout = 600*HZ;
+static unsigned int nf_ct_generic_timeout __read_mostly = 600*HZ;
-static int generic_pkt_to_tuple(const struct sk_buff *skb,
- unsigned int dataoff,
- struct nf_conntrack_tuple *tuple)
+static bool generic_pkt_to_tuple(const struct sk_buff *skb,
+ unsigned int dataoff,
+ struct nf_conntrack_tuple *tuple)
{
tuple->src.u.all = 0;
tuple->dst.u.all = 0;
- return 1;
+ return true;
}
-static int generic_invert_tuple(struct nf_conntrack_tuple *tuple,
- const struct nf_conntrack_tuple *orig)
+static bool generic_invert_tuple(struct nf_conntrack_tuple *tuple,
+ const struct nf_conntrack_tuple *orig)
{
tuple->src.u.all = 0;
tuple->dst.u.all = 0;
- return 1;
+ return true;
}
/* Print out the per-protocol part of the tuple. */
return 0;
}
-/* Print out the private part of the conntrack. */
-static int generic_print_conntrack(struct seq_file *s,
- const struct nf_conn *state)
-{
- return 0;
-}
-
/* Returns verdict for packet, or -1 for invalid. */
-static int packet(struct nf_conn *conntrack,
+static int packet(struct nf_conn *ct,
const struct sk_buff *skb,
unsigned int dataoff,
enum ip_conntrack_info ctinfo,
- int pf,
+ u_int8_t pf,
unsigned int hooknum)
{
- nf_ct_refresh_acct(conntrack, ctinfo, skb, nf_ct_generic_timeout);
+ nf_ct_refresh_acct(ct, ctinfo, skb, nf_ct_generic_timeout);
return NF_ACCEPT;
}
/* Called when a new connection for this protocol found. */
-static int new(struct nf_conn *conntrack, const struct sk_buff *skb,
- unsigned int dataoff)
+static bool new(struct nf_conn *ct, const struct sk_buff *skb,
+ unsigned int dataoff)
{
- return 1;
+ return true;
}
-struct nf_conntrack_protocol nf_conntrack_generic_protocol =
+#ifdef CONFIG_SYSCTL
+static struct ctl_table_header *generic_sysctl_header;
+static struct ctl_table generic_sysctl_table[] = {
+ {
+ .procname = "nf_conntrack_generic_timeout",
+ .data = &nf_ct_generic_timeout,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_jiffies,
+ },
+ {
+ .ctl_name = 0
+ }
+};
+#ifdef CONFIG_NF_CONNTRACK_PROC_COMPAT
+static struct ctl_table generic_compat_sysctl_table[] = {
+ {
+ .procname = "ip_conntrack_generic_timeout",
+ .data = &nf_ct_generic_timeout,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_jiffies,
+ },
+ {
+ .ctl_name = 0
+ }
+};
+#endif /* CONFIG_NF_CONNTRACK_PROC_COMPAT */
+#endif /* CONFIG_SYSCTL */
+
+struct nf_conntrack_l4proto nf_conntrack_l4proto_generic __read_mostly =
{
.l3proto = PF_UNSPEC,
- .proto = 0,
+ .l4proto = 255,
.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,
+#ifdef CONFIG_SYSCTL
+ .ctl_table_header = &generic_sysctl_header,
+ .ctl_table = generic_sysctl_table,
+#ifdef CONFIG_NF_CONNTRACK_PROC_COMPAT
+ .ctl_compat_table = generic_compat_sysctl_table,
+#endif
+#endif
};