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path: root/net/netfilter/nf_conntrack_proto_udp.c
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Diffstat (limited to 'net/netfilter/nf_conntrack_proto_udp.c')
-rw-r--r--net/netfilter/nf_conntrack_proto_udp.c83
1 files changed, 73 insertions, 10 deletions
diff --git a/net/netfilter/nf_conntrack_proto_udp.c b/net/netfilter/nf_conntrack_proto_udp.c
index d28981cf9af..e49cd25998c 100644
--- a/net/netfilter/nf_conntrack_proto_udp.c
+++ b/net/netfilter/nf_conntrack_proto_udp.c
@@ -22,13 +22,15 @@
#include <linux/ipv6.h>
#include <net/ip6_checksum.h>
#include <net/checksum.h>
+
#include <linux/netfilter.h>
#include <linux/netfilter_ipv4.h>
#include <linux/netfilter_ipv6.h>
-#include <net/netfilter/nf_conntrack_protocol.h>
+#include <net/netfilter/nf_conntrack_l4proto.h>
+#include <net/netfilter/nf_conntrack_ecache.h>
-unsigned int nf_ct_udp_timeout __read_mostly = 30*HZ;
-unsigned int nf_ct_udp_timeout_stream __read_mostly = 180*HZ;
+static unsigned int nf_ct_udp_timeout __read_mostly = 30*HZ;
+static unsigned int nf_ct_udp_timeout_stream __read_mostly = 180*HZ;
static int udp_pkt_to_tuple(const struct sk_buff *skb,
unsigned int dataoff,
@@ -146,10 +148,59 @@ static int udp_error(struct sk_buff *skb, unsigned int dataoff,
return NF_ACCEPT;
}
-struct nf_conntrack_protocol nf_conntrack_protocol_udp4 =
+#ifdef CONFIG_SYSCTL
+static unsigned int udp_sysctl_table_users;
+static struct ctl_table_header *udp_sysctl_header;
+static struct ctl_table udp_sysctl_table[] = {
+ {
+ .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 = 0
+ }
+};
+#ifdef CONFIG_NF_CONNTRACK_PROC_COMPAT
+static struct ctl_table udp_compat_sysctl_table[] = {
+ {
+ .ctl_name = NET_IPV4_NF_CONNTRACK_UDP_TIMEOUT,
+ .procname = "ip_conntrack_udp_timeout",
+ .data = &nf_ct_udp_timeout,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec_jiffies,
+ },
+ {
+ .ctl_name = NET_IPV4_NF_CONNTRACK_UDP_TIMEOUT_STREAM,
+ .procname = "ip_conntrack_udp_timeout_stream",
+ .data = &nf_ct_udp_timeout_stream,
+ .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_udp4 =
{
.l3proto = PF_INET,
- .proto = IPPROTO_UDP,
+ .l4proto = IPPROTO_UDP,
.name = "udp",
.pkt_to_tuple = udp_pkt_to_tuple,
.invert_tuple = udp_invert_tuple,
@@ -163,12 +214,21 @@ struct nf_conntrack_protocol nf_conntrack_protocol_udp4 =
.tuple_to_nfattr = nf_ct_port_tuple_to_nfattr,
.nfattr_to_tuple = nf_ct_port_nfattr_to_tuple,
#endif
+#ifdef CONFIG_SYSCTL
+ .ctl_table_users = &udp_sysctl_table_users,
+ .ctl_table_header = &udp_sysctl_header,
+ .ctl_table = udp_sysctl_table,
+#ifdef CONFIG_NF_CONNTRACK_PROC_COMPAT
+ .ctl_compat_table = udp_compat_sysctl_table,
+#endif
+#endif
};
+EXPORT_SYMBOL_GPL(nf_conntrack_l4proto_udp4);
-struct nf_conntrack_protocol nf_conntrack_protocol_udp6 =
+struct nf_conntrack_l4proto nf_conntrack_l4proto_udp6 =
{
.l3proto = PF_INET6,
- .proto = IPPROTO_UDP,
+ .l4proto = IPPROTO_UDP,
.name = "udp",
.pkt_to_tuple = udp_pkt_to_tuple,
.invert_tuple = udp_invert_tuple,
@@ -182,7 +242,10 @@ struct nf_conntrack_protocol nf_conntrack_protocol_udp6 =
.tuple_to_nfattr = nf_ct_port_tuple_to_nfattr,
.nfattr_to_tuple = nf_ct_port_nfattr_to_tuple,
#endif
+#ifdef CONFIG_SYSCTL
+ .ctl_table_users = &udp_sysctl_table_users,
+ .ctl_table_header = &udp_sysctl_header,
+ .ctl_table = udp_sysctl_table,
+#endif
};
-
-EXPORT_SYMBOL(nf_conntrack_protocol_udp4);
-EXPORT_SYMBOL(nf_conntrack_protocol_udp6);
+EXPORT_SYMBOL_GPL(nf_conntrack_l4proto_udp6);