#include <linux/sctp.h>
#include <linux/string.h>
#include <linux/seq_file.h>
+#include <linux/spinlock.h>
+#include <linux/interrupt.h>
#include <net/netfilter/nf_conntrack.h>
-#include <net/netfilter/nf_conntrack_protocol.h>
+#include <net/netfilter/nf_conntrack_l4proto.h>
+#include <net/netfilter/nf_conntrack_ecache.h>
#if 0
#define DEBUGP(format, ...) printk(format, ## __VA_ARGS__)
#define HOURS * 60 MINS
#define DAYS * 24 HOURS
-static unsigned int nf_ct_sctp_timeout_closed = 10 SECS;
-static unsigned int nf_ct_sctp_timeout_cookie_wait = 3 SECS;
-static unsigned int nf_ct_sctp_timeout_cookie_echoed = 3 SECS;
-static unsigned int nf_ct_sctp_timeout_established = 5 DAYS;
-static unsigned int nf_ct_sctp_timeout_shutdown_sent = 300 SECS / 1000;
-static unsigned int nf_ct_sctp_timeout_shutdown_recd = 300 SECS / 1000;
-static unsigned int nf_ct_sctp_timeout_shutdown_ack_sent = 3 SECS;
+static unsigned int nf_ct_sctp_timeout_closed __read_mostly = 10 SECS;
+static unsigned int nf_ct_sctp_timeout_cookie_wait __read_mostly = 3 SECS;
+static unsigned int nf_ct_sctp_timeout_cookie_echoed __read_mostly = 3 SECS;
+static unsigned int nf_ct_sctp_timeout_established __read_mostly = 5 DAYS;
+static unsigned int nf_ct_sctp_timeout_shutdown_sent __read_mostly = 300 SECS / 1000;
+static unsigned int nf_ct_sctp_timeout_shutdown_recd __read_mostly = 300 SECS / 1000;
+static unsigned int nf_ct_sctp_timeout_shutdown_ack_sent __read_mostly = 3 SECS;
static unsigned int * sctp_timeouts[]
= { NULL, /* SCTP_CONNTRACK_NONE */
for (offset = dataoff + sizeof(sctp_sctphdr_t), count = 0; \
offset < skb->len && \
(sch = skb_header_pointer(skb, offset, sizeof(_sch), &_sch)); \
- offset += (htons(sch->length) + 3) & ~3, count++)
+ offset += (ntohs(sch->length) + 3) & ~3, count++)
/* Some validity checks to make sure the chunks are fine */
static int do_basic_checks(struct nf_conn *conntrack,
return 1;
}
-struct nf_conntrack_protocol nf_conntrack_protocol_sctp4 = {
- .l3proto = PF_INET,
- .proto = IPPROTO_SCTP,
- .name = "sctp",
- .pkt_to_tuple = sctp_pkt_to_tuple,
- .invert_tuple = sctp_invert_tuple,
- .print_tuple = sctp_print_tuple,
- .print_conntrack = sctp_print_conntrack,
- .packet = sctp_packet,
- .new = sctp_new,
- .destroy = NULL,
- .me = THIS_MODULE
-};
-
-struct nf_conntrack_protocol nf_conntrack_protocol_sctp6 = {
- .l3proto = PF_INET6,
- .proto = IPPROTO_SCTP,
- .name = "sctp",
- .pkt_to_tuple = sctp_pkt_to_tuple,
- .invert_tuple = sctp_invert_tuple,
- .print_tuple = sctp_print_tuple,
- .print_conntrack = sctp_print_conntrack,
- .packet = sctp_packet,
- .new = sctp_new,
- .destroy = NULL,
- .me = THIS_MODULE
-};
-
#ifdef CONFIG_SYSCTL
-static ctl_table nf_ct_sysctl_table[] = {
+static unsigned int sctp_sysctl_table_users;
+static struct ctl_table_header *sctp_sysctl_header;
+static struct ctl_table sctp_sysctl_table[] = {
{
.ctl_name = NET_NF_CONNTRACK_SCTP_TIMEOUT_CLOSED,
.procname = "nf_conntrack_sctp_timeout_closed",
.mode = 0644,
.proc_handler = &proc_dointvec_jiffies,
},
- { .ctl_name = 0 }
+ {
+ .ctl_name = 0
+ }
};
-static ctl_table nf_ct_netfilter_table[] = {
+#ifdef CONFIG_NF_CONNTRACK_PROC_COMPAT
+static struct ctl_table sctp_compat_sysctl_table[] = {
{
- .ctl_name = NET_NETFILTER,
- .procname = "netfilter",
- .mode = 0555,
- .child = nf_ct_sysctl_table,
+ .ctl_name = NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_CLOSED,
+ .procname = "ip_conntrack_sctp_timeout_closed",
+ .data = &nf_ct_sctp_timeout_closed,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec_jiffies,
+ },
+ {
+ .ctl_name = NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_WAIT,
+ .procname = "ip_conntrack_sctp_timeout_cookie_wait",
+ .data = &nf_ct_sctp_timeout_cookie_wait,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec_jiffies,
+ },
+ {
+ .ctl_name = NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_COOKIE_ECHOED,
+ .procname = "ip_conntrack_sctp_timeout_cookie_echoed",
+ .data = &nf_ct_sctp_timeout_cookie_echoed,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec_jiffies,
+ },
+ {
+ .ctl_name = NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_ESTABLISHED,
+ .procname = "ip_conntrack_sctp_timeout_established",
+ .data = &nf_ct_sctp_timeout_established,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec_jiffies,
+ },
+ {
+ .ctl_name = NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_SENT,
+ .procname = "ip_conntrack_sctp_timeout_shutdown_sent",
+ .data = &nf_ct_sctp_timeout_shutdown_sent,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec_jiffies,
+ },
+ {
+ .ctl_name = NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_RECD,
+ .procname = "ip_conntrack_sctp_timeout_shutdown_recd",
+ .data = &nf_ct_sctp_timeout_shutdown_recd,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec_jiffies,
},
- { .ctl_name = 0 }
-};
-
-static ctl_table nf_ct_net_table[] = {
{
- .ctl_name = CTL_NET,
- .procname = "net",
- .mode = 0555,
- .child = nf_ct_netfilter_table,
+ .ctl_name = NET_IPV4_NF_CONNTRACK_SCTP_TIMEOUT_SHUTDOWN_ACK_SENT,
+ .procname = "ip_conntrack_sctp_timeout_shutdown_ack_sent",
+ .data = &nf_ct_sctp_timeout_shutdown_ack_sent,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec_jiffies,
},
- { .ctl_name = 0 }
+ {
+ .ctl_name = 0
+ }
+};
+#endif /* CONFIG_NF_CONNTRACK_PROC_COMPAT */
+#endif
+
+struct nf_conntrack_l4proto nf_conntrack_l4proto_sctp4 = {
+ .l3proto = PF_INET,
+ .l4proto = IPPROTO_SCTP,
+ .name = "sctp",
+ .pkt_to_tuple = sctp_pkt_to_tuple,
+ .invert_tuple = sctp_invert_tuple,
+ .print_tuple = sctp_print_tuple,
+ .print_conntrack = sctp_print_conntrack,
+ .packet = sctp_packet,
+ .new = sctp_new,
+ .me = THIS_MODULE,
+#ifdef CONFIG_SYSCTL
+ .ctl_table_users = &sctp_sysctl_table_users,
+ .ctl_table_header = &sctp_sysctl_header,
+ .ctl_table = sctp_sysctl_table,
+#ifdef CONFIG_NF_CONNTRACK_PROC_COMPAT
+ .ctl_compat_table = sctp_compat_sysctl_table,
+#endif
+#endif
};
-static struct ctl_table_header *nf_ct_sysctl_header;
+struct nf_conntrack_l4proto nf_conntrack_l4proto_sctp6 = {
+ .l3proto = PF_INET6,
+ .l4proto = IPPROTO_SCTP,
+ .name = "sctp",
+ .pkt_to_tuple = sctp_pkt_to_tuple,
+ .invert_tuple = sctp_invert_tuple,
+ .print_tuple = sctp_print_tuple,
+ .print_conntrack = sctp_print_conntrack,
+ .packet = sctp_packet,
+ .new = sctp_new,
+ .me = THIS_MODULE,
+#ifdef CONFIG_SYSCTL
+ .ctl_table_users = &sctp_sysctl_table_users,
+ .ctl_table_header = &sctp_sysctl_header,
+ .ctl_table = sctp_sysctl_table,
#endif
+};
-int __init init(void)
+int __init nf_conntrack_proto_sctp_init(void)
{
int ret;
- ret = nf_conntrack_protocol_register(&nf_conntrack_protocol_sctp4);
+ ret = nf_conntrack_l4proto_register(&nf_conntrack_l4proto_sctp4);
if (ret) {
- printk("nf_conntrack_proto_sctp4: protocol register failed\n");
+ printk("nf_conntrack_l4proto_sctp4: protocol register failed\n");
goto out;
}
- ret = nf_conntrack_protocol_register(&nf_conntrack_protocol_sctp6);
+ ret = nf_conntrack_l4proto_register(&nf_conntrack_l4proto_sctp6);
if (ret) {
- printk("nf_conntrack_proto_sctp6: protocol register failed\n");
+ printk("nf_conntrack_l4proto_sctp6: protocol register failed\n");
goto cleanup_sctp4;
}
-#ifdef CONFIG_SYSCTL
- nf_ct_sysctl_header = register_sysctl_table(nf_ct_net_table, 0);
- if (nf_ct_sysctl_header == NULL) {
- printk("nf_conntrack_proto_sctp: can't register to sysctl.\n");
- goto cleanup;
- }
-#endif
-
return ret;
-#ifdef CONFIG_SYSCTL
- cleanup:
- nf_conntrack_protocol_unregister(&nf_conntrack_protocol_sctp6);
-#endif
cleanup_sctp4:
- nf_conntrack_protocol_unregister(&nf_conntrack_protocol_sctp4);
+ nf_conntrack_l4proto_unregister(&nf_conntrack_l4proto_sctp4);
out:
DEBUGP("SCTP conntrack module loading %s\n",
ret ? "failed": "succeeded");
return ret;
}
-void __exit fini(void)
+void __exit nf_conntrack_proto_sctp_fini(void)
{
- nf_conntrack_protocol_unregister(&nf_conntrack_protocol_sctp6);
- nf_conntrack_protocol_unregister(&nf_conntrack_protocol_sctp4);
-#ifdef CONFIG_SYSCTL
- unregister_sysctl_table(nf_ct_sysctl_header);
-#endif
+ nf_conntrack_l4proto_unregister(&nf_conntrack_l4proto_sctp6);
+ nf_conntrack_l4proto_unregister(&nf_conntrack_l4proto_sctp4);
DEBUGP("SCTP conntrack module unloaded\n");
}
-module_init(init);
-module_exit(fini);
+module_init(nf_conntrack_proto_sctp_init);
+module_exit(nf_conntrack_proto_sctp_fini);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Kiran Kumar Immidi");
MODULE_DESCRIPTION("Netfilter connection tracking protocol helper for SCTP");
+MODULE_ALIAS("ip_conntrack_proto_sctp");
git://git.onelab.eu / linux-2.6.git / blobdiff