netfilter: ctnetlink: fix expectation mask dump
[linux-2.6.git] / net / netfilter / nf_conntrack_proto_sctp.c
index b5a9059..f9d930f 100644 (file)
@@ -25,9 +25,6 @@
 #include <net/netfilter/nf_conntrack_l4proto.h>
 #include <net/netfilter/nf_conntrack_ecache.h>
 
-/* Protects ct->proto.sctp */
-static DEFINE_RWLOCK(sctp_lock);
-
 /* FIXME: Examine ipfilter's timeouts and conntrack transitions more
    closely.  They're more complex. --RR
 
@@ -164,13 +161,13 @@ static int sctp_print_tuple(struct seq_file *s,
 }
 
 /* Print out the private part of the conntrack. */
-static int sctp_print_conntrack(struct seq_file *s, const struct nf_conn *ct)
+static int sctp_print_conntrack(struct seq_file *s, struct nf_conn *ct)
 {
        enum sctp_conntrack state;
 
-       read_lock_bh(&sctp_lock);
+       spin_lock_bh(&ct->lock);
        state = ct->proto.sctp.state;
-       read_unlock_bh(&sctp_lock);
+       spin_unlock_bh(&ct->lock);
 
        return seq_printf(s, "%s ", sctp_conntrack_names[state]);
 }
@@ -317,8 +314,8 @@ static int sctp_packet(struct nf_conn *ct,
                goto out;
        }
 
-       old_state = new_state = SCTP_CONNTRACK_MAX;
-       write_lock_bh(&sctp_lock);
+       old_state = new_state = SCTP_CONNTRACK_NONE;
+       spin_lock_bh(&ct->lock);
        for_each_sctp_chunk (skb, sch, _sch, offset, dataoff, count) {
                /* Special cases of Verification tag check (Sec 8.5.1) */
                if (sch->type == SCTP_CID_INIT) {
@@ -369,9 +366,9 @@ static int sctp_packet(struct nf_conn *ct,
 
                ct->proto.sctp.state = new_state;
                if (old_state != new_state)
-                       nf_conntrack_event_cache(IPCT_PROTOINFO, skb);
+                       nf_conntrack_event_cache(IPCT_PROTOINFO, ct);
        }
-       write_unlock_bh(&sctp_lock);
+       spin_unlock_bh(&ct->lock);
 
        nf_ct_refresh_acct(ct, ctinfo, skb, sctp_timeouts[new_state]);
 
@@ -380,13 +377,13 @@ static int sctp_packet(struct nf_conn *ct,
            new_state == SCTP_CONNTRACK_ESTABLISHED) {
                pr_debug("Setting assured bit\n");
                set_bit(IPS_ASSURED_BIT, &ct->status);
-               nf_conntrack_event_cache(IPCT_STATUS, skb);
+               nf_conntrack_event_cache(IPCT_STATUS, ct);
        }
 
        return NF_ACCEPT;
 
 out_unlock:
-       write_unlock_bh(&sctp_lock);
+       spin_unlock_bh(&ct->lock);
 out:
        return -NF_ACCEPT;
 }
@@ -469,11 +466,11 @@ static bool sctp_new(struct nf_conn *ct, const struct sk_buff *skb,
 #include <linux/netfilter/nfnetlink_conntrack.h>
 
 static int sctp_to_nlattr(struct sk_buff *skb, struct nlattr *nla,
-                         const struct nf_conn *ct)
+                         struct nf_conn *ct)
 {
        struct nlattr *nest_parms;
 
-       read_lock_bh(&sctp_lock);
+       spin_lock_bh(&ct->lock);
        nest_parms = nla_nest_start(skb, CTA_PROTOINFO_SCTP | NLA_F_NESTED);
        if (!nest_parms)
                goto nla_put_failure;
@@ -488,14 +485,14 @@ static int sctp_to_nlattr(struct sk_buff *skb, struct nlattr *nla,
                     CTA_PROTOINFO_SCTP_VTAG_REPLY,
                     ct->proto.sctp.vtag[IP_CT_DIR_REPLY]);
 
-       read_unlock_bh(&sctp_lock);
+       spin_unlock_bh(&ct->lock);
 
        nla_nest_end(skb, nest_parms);
 
        return 0;
 
 nla_put_failure:
-       read_unlock_bh(&sctp_lock);
+       spin_unlock_bh(&ct->lock);
        return -1;
 }
 
@@ -527,16 +524,22 @@ static int nlattr_to_sctp(struct nlattr *cda[], struct nf_conn *ct)
            !tb[CTA_PROTOINFO_SCTP_VTAG_REPLY])
                return -EINVAL;
 
-       write_lock_bh(&sctp_lock);
+       spin_lock_bh(&ct->lock);
        ct->proto.sctp.state = nla_get_u8(tb[CTA_PROTOINFO_SCTP_STATE]);
        ct->proto.sctp.vtag[IP_CT_DIR_ORIGINAL] =
                nla_get_be32(tb[CTA_PROTOINFO_SCTP_VTAG_ORIGINAL]);
        ct->proto.sctp.vtag[IP_CT_DIR_REPLY] =
                nla_get_be32(tb[CTA_PROTOINFO_SCTP_VTAG_REPLY]);
-       write_unlock_bh(&sctp_lock);
+       spin_unlock_bh(&ct->lock);
 
        return 0;
 }
+
+static int sctp_nlattr_size(void)
+{
+       return nla_total_size(0)        /* CTA_PROTOINFO_SCTP */
+               + nla_policy_len(sctp_nla_policy, CTA_PROTOINFO_SCTP_MAX + 1);
+}
 #endif
 
 #ifdef CONFIG_SYSCTL
@@ -548,53 +551,51 @@ static struct ctl_table sctp_sysctl_table[] = {
                .data           = &sctp_timeouts[SCTP_CONNTRACK_CLOSED],
                .maxlen         = sizeof(unsigned int),
                .mode           = 0644,
-               .proc_handler   = &proc_dointvec_jiffies,
+               .proc_handler   = proc_dointvec_jiffies,
        },
        {
                .procname       = "nf_conntrack_sctp_timeout_cookie_wait",
                .data           = &sctp_timeouts[SCTP_CONNTRACK_COOKIE_WAIT],
                .maxlen         = sizeof(unsigned int),
                .mode           = 0644,
-               .proc_handler   = &proc_dointvec_jiffies,
+               .proc_handler   = proc_dointvec_jiffies,
        },
        {
                .procname       = "nf_conntrack_sctp_timeout_cookie_echoed",
                .data           = &sctp_timeouts[SCTP_CONNTRACK_COOKIE_ECHOED],
                .maxlen         = sizeof(unsigned int),
                .mode           = 0644,
-               .proc_handler   = &proc_dointvec_jiffies,
+               .proc_handler   = proc_dointvec_jiffies,
        },
        {
                .procname       = "nf_conntrack_sctp_timeout_established",
                .data           = &sctp_timeouts[SCTP_CONNTRACK_ESTABLISHED],
                .maxlen         = sizeof(unsigned int),
                .mode           = 0644,
-               .proc_handler   = &proc_dointvec_jiffies,
+               .proc_handler   = proc_dointvec_jiffies,
        },
        {
                .procname       = "nf_conntrack_sctp_timeout_shutdown_sent",
                .data           = &sctp_timeouts[SCTP_CONNTRACK_SHUTDOWN_SENT],
                .maxlen         = sizeof(unsigned int),
                .mode           = 0644,
-               .proc_handler   = &proc_dointvec_jiffies,
+               .proc_handler   = proc_dointvec_jiffies,
        },
        {
                .procname       = "nf_conntrack_sctp_timeout_shutdown_recd",
                .data           = &sctp_timeouts[SCTP_CONNTRACK_SHUTDOWN_RECD],
                .maxlen         = sizeof(unsigned int),
                .mode           = 0644,
-               .proc_handler   = &proc_dointvec_jiffies,
+               .proc_handler   = proc_dointvec_jiffies,
        },
        {
                .procname       = "nf_conntrack_sctp_timeout_shutdown_ack_sent",
                .data           = &sctp_timeouts[SCTP_CONNTRACK_SHUTDOWN_ACK_SENT],
                .maxlen         = sizeof(unsigned int),
                .mode           = 0644,
-               .proc_handler   = &proc_dointvec_jiffies,
+               .proc_handler   = proc_dointvec_jiffies,
        },
-       {
-               .ctl_name = 0
-       }
+       { }
 };
 
 #ifdef CONFIG_NF_CONNTRACK_PROC_COMPAT
@@ -604,53 +605,51 @@ static struct ctl_table sctp_compat_sysctl_table[] = {
                .data           = &sctp_timeouts[SCTP_CONNTRACK_CLOSED],
                .maxlen         = sizeof(unsigned int),
                .mode           = 0644,
-               .proc_handler   = &proc_dointvec_jiffies,
+               .proc_handler   = proc_dointvec_jiffies,
        },
        {
                .procname       = "ip_conntrack_sctp_timeout_cookie_wait",
                .data           = &sctp_timeouts[SCTP_CONNTRACK_COOKIE_WAIT],
                .maxlen         = sizeof(unsigned int),
                .mode           = 0644,
-               .proc_handler   = &proc_dointvec_jiffies,
+               .proc_handler   = proc_dointvec_jiffies,
        },
        {
                .procname       = "ip_conntrack_sctp_timeout_cookie_echoed",
                .data           = &sctp_timeouts[SCTP_CONNTRACK_COOKIE_ECHOED],
                .maxlen         = sizeof(unsigned int),
                .mode           = 0644,
-               .proc_handler   = &proc_dointvec_jiffies,
+               .proc_handler   = proc_dointvec_jiffies,
        },
        {
                .procname       = "ip_conntrack_sctp_timeout_established",
                .data           = &sctp_timeouts[SCTP_CONNTRACK_ESTABLISHED],
                .maxlen         = sizeof(unsigned int),
                .mode           = 0644,
-               .proc_handler   = &proc_dointvec_jiffies,
+               .proc_handler   = proc_dointvec_jiffies,
        },
        {
                .procname       = "ip_conntrack_sctp_timeout_shutdown_sent",
                .data           = &sctp_timeouts[SCTP_CONNTRACK_SHUTDOWN_SENT],
                .maxlen         = sizeof(unsigned int),
                .mode           = 0644,
-               .proc_handler   = &proc_dointvec_jiffies,
+               .proc_handler   = proc_dointvec_jiffies,
        },
        {
                .procname       = "ip_conntrack_sctp_timeout_shutdown_recd",
                .data           = &sctp_timeouts[SCTP_CONNTRACK_SHUTDOWN_RECD],
                .maxlen         = sizeof(unsigned int),
                .mode           = 0644,
-               .proc_handler   = &proc_dointvec_jiffies,
+               .proc_handler   = proc_dointvec_jiffies,
        },
        {
                .procname       = "ip_conntrack_sctp_timeout_shutdown_ack_sent",
                .data           = &sctp_timeouts[SCTP_CONNTRACK_SHUTDOWN_ACK_SENT],
                .maxlen         = sizeof(unsigned int),
                .mode           = 0644,
-               .proc_handler   = &proc_dointvec_jiffies,
+               .proc_handler   = proc_dointvec_jiffies,
        },
-       {
-               .ctl_name = 0
-       }
+       { }
 };
 #endif /* CONFIG_NF_CONNTRACK_PROC_COMPAT */
 #endif
@@ -668,8 +667,10 @@ static struct nf_conntrack_l4proto nf_conntrack_l4proto_sctp4 __read_mostly = {
        .me                     = THIS_MODULE,
 #if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
        .to_nlattr              = sctp_to_nlattr,
+       .nlattr_size            = sctp_nlattr_size,
        .from_nlattr            = nlattr_to_sctp,
        .tuple_to_nlattr        = nf_ct_port_tuple_to_nlattr,
+       .nlattr_tuple_size      = nf_ct_port_nlattr_tuple_size,
        .nlattr_to_tuple        = nf_ct_port_nlattr_to_tuple,
        .nla_policy             = nf_ct_port_nla_policy,
 #endif
@@ -696,8 +697,10 @@ static struct nf_conntrack_l4proto nf_conntrack_l4proto_sctp6 __read_mostly = {
        .me                     = THIS_MODULE,
 #if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
        .to_nlattr              = sctp_to_nlattr,
+       .nlattr_size            = sctp_nlattr_size,
        .from_nlattr            = nlattr_to_sctp,
        .tuple_to_nlattr        = nf_ct_port_tuple_to_nlattr,
+       .nlattr_tuple_size      = nf_ct_port_nlattr_tuple_size,
        .nlattr_to_tuple        = nf_ct_port_nlattr_to_tuple,
        .nla_policy             = nf_ct_port_nla_policy,
 #endif