sctp: Make the mib per network namespace

[deliverable/linux.git] / net / sctp / proc.c

diff --git a/net/sctp/proc.c b/net/sctp/proc.c
index 1e2eee88c3ea4750c093e44b3c3080f8ad3551fd..3e62ee55228fa60f547c9a01d7b6fe4e60ef5685 100644 (file)
--- a/net/sctp/proc.c
+++ b/net/sctp/proc.c
@@ -80,11 +80,12 @@ static const struct snmp_mib sctp_snmp_list[] = {
 /* Display sctp snmp mib statistics(/proc/net/sctp/snmp). */
 static int sctp_snmp_seq_show(struct seq_file *seq, void *v)
 {
+       struct net *net = seq->private;
        int i;
 
        for (i = 0; sctp_snmp_list[i].name != NULL; i++)
                seq_printf(seq, "%-32s\t%ld\n", sctp_snmp_list[i].name,
-                          snmp_fold_field((void __percpu **)sctp_statistics,
+                          snmp_fold_field((void __percpu **)net->sctp.sctp_statistics,
                                      sctp_snmp_list[i].entry));
 
        return 0;
@@ -93,7 +94,7 @@ static int sctp_snmp_seq_show(struct seq_file *seq, void *v)
 /* Initialize the seq file operations for 'snmp' object. */
 static int sctp_snmp_seq_open(struct inode *inode, struct file *file)
 {
-       return single_open(file, sctp_snmp_seq_show, NULL);
+       return single_open_net(inode, file, sctp_snmp_seq_show);
 }
 
 static const struct file_operations sctp_snmp_seq_fops = {
@@ -105,11 +106,12 @@ static const struct file_operations sctp_snmp_seq_fops = {
 };
 
 /* Set up the proc fs entry for 'snmp' object. */
-int __init sctp_snmp_proc_init(void)
+int __net_init sctp_snmp_proc_init(struct net *net)
 {
        struct proc_dir_entry *p;
 
-       p = proc_create("snmp", S_IRUGO, proc_net_sctp, &sctp_snmp_seq_fops);
+       p = proc_create("snmp", S_IRUGO, net->sctp.proc_net_sctp,
+                       &sctp_snmp_seq_fops);
        if (!p)
                return -ENOMEM;
 
@@ -117,9 +119,9 @@ int __init sctp_snmp_proc_init(void)
 }
 
 /* Cleanup the proc fs entry for 'snmp' object. */
-void sctp_snmp_proc_exit(void)
+void sctp_snmp_proc_exit(struct net *net)
 {
-       remove_proc_entry("snmp", proc_net_sctp);
+       remove_proc_entry("snmp", net->sctp.proc_net_sctp);
 }
 
 /* Dump local addresses of an association/endpoint. */
@@ -197,6 +199,7 @@ static void * sctp_eps_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 /* Display sctp endpoints (/proc/net/sctp/eps). */
 static int sctp_eps_seq_show(struct seq_file *seq, void *v)
 {
+       struct seq_net_private *priv = seq->private;
        struct sctp_hashbucket *head;
        struct sctp_ep_common *epb;
        struct sctp_endpoint *ep;
@@ -213,6 +216,8 @@ static int sctp_eps_seq_show(struct seq_file *seq, void *v)
        sctp_for_each_hentry(epb, node, &head->chain) {
                ep = sctp_ep(epb);
                sk = epb->sk;
+               if (!net_eq(sock_net(sk), priv->net))
+                       continue;
                seq_printf(seq, "%8pK %8pK %-3d %-3d %-4d %-5d %5d %5lu ", ep, sk,
                           sctp_sk(sk)->type, sk->sk_state, hash,
                           epb->bind_addr.port,
@@ -238,7 +243,8 @@ static const struct seq_operations sctp_eps_ops = {
 /* Initialize the seq file operations for 'eps' object. */
 static int sctp_eps_seq_open(struct inode *inode, struct file *file)
 {
-       return seq_open(file, &sctp_eps_ops);
+       return seq_open_net(inode, file, &sctp_eps_ops,
+                           sizeof(struct seq_net_private));
 }
 
 static const struct file_operations sctp_eps_seq_fops = {
@@ -249,11 +255,12 @@ static const struct file_operations sctp_eps_seq_fops = {
 };
 
 /* Set up the proc fs entry for 'eps' object. */
-int __init sctp_eps_proc_init(void)
+int __net_init sctp_eps_proc_init(struct net *net)
 {
        struct proc_dir_entry *p;
 
-       p = proc_create("eps", S_IRUGO, proc_net_sctp, &sctp_eps_seq_fops);
+       p = proc_create("eps", S_IRUGO, net->sctp.proc_net_sctp,
+                       &sctp_eps_seq_fops);
        if (!p)
                return -ENOMEM;
 
@@ -261,9 +268,9 @@ int __init sctp_eps_proc_init(void)
 }
 
 /* Cleanup the proc fs entry for 'eps' object. */
-void sctp_eps_proc_exit(void)
+void sctp_eps_proc_exit(struct net *net)
 {
-       remove_proc_entry("eps", proc_net_sctp);
+       remove_proc_entry("eps", net->sctp.proc_net_sctp);
 }
 
 
@@ -300,6 +307,7 @@ static void * sctp_assocs_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 /* Display sctp associations (/proc/net/sctp/assocs). */
 static int sctp_assocs_seq_show(struct seq_file *seq, void *v)
 {
+       struct seq_net_private *priv = seq->private;
        struct sctp_hashbucket *head;
        struct sctp_ep_common *epb;
        struct sctp_association *assoc;
@@ -316,6 +324,8 @@ static int sctp_assocs_seq_show(struct seq_file *seq, void *v)
        sctp_for_each_hentry(epb, node, &head->chain) {
                assoc = sctp_assoc(epb);
                sk = epb->sk;
+               if (!net_eq(sock_net(sk), priv->net))
+                       continue;
                seq_printf(seq,
                           "%8pK %8pK %-3d %-3d %-2d %-4d "
                           "%4d %8d %8d %7d %5lu %-5d %5d ",
@@ -354,7 +364,8 @@ static const struct seq_operations sctp_assoc_ops = {
 /* Initialize the seq file operations for 'assocs' object. */
 static int sctp_assocs_seq_open(struct inode *inode, struct file *file)
 {
-       return seq_open(file, &sctp_assoc_ops);
+       return seq_open_net(inode, file, &sctp_assoc_ops,
+                           sizeof(struct seq_net_private));
 }
 
 static const struct file_operations sctp_assocs_seq_fops = {
@@ -365,11 +376,11 @@ static const struct file_operations sctp_assocs_seq_fops = {
 };
 
 /* Set up the proc fs entry for 'assocs' object. */
-int __init sctp_assocs_proc_init(void)
+int __net_init sctp_assocs_proc_init(struct net *net)
 {
        struct proc_dir_entry *p;
 
-       p = proc_create("assocs", S_IRUGO, proc_net_sctp,
+       p = proc_create("assocs", S_IRUGO, net->sctp.proc_net_sctp,
                        &sctp_assocs_seq_fops);
        if (!p)
                return -ENOMEM;
@@ -378,9 +389,9 @@ int __init sctp_assocs_proc_init(void)
 }
 
 /* Cleanup the proc fs entry for 'assocs' object. */
-void sctp_assocs_proc_exit(void)
+void sctp_assocs_proc_exit(struct net *net)
 {
-       remove_proc_entry("assocs", proc_net_sctp);
+       remove_proc_entry("assocs", net->sctp.proc_net_sctp);
 }
 
 static void *sctp_remaddr_seq_start(struct seq_file *seq, loff_t *pos)
@@ -412,6 +423,7 @@ static void sctp_remaddr_seq_stop(struct seq_file *seq, void *v)
 
 static int sctp_remaddr_seq_show(struct seq_file *seq, void *v)
 {
+       struct seq_net_private *priv = seq->private;
        struct sctp_hashbucket *head;
        struct sctp_ep_common *epb;
        struct sctp_association *assoc;
@@ -426,6 +438,8 @@ static int sctp_remaddr_seq_show(struct seq_file *seq, void *v)
        sctp_local_bh_disable();
        read_lock(&head->lock);
        sctp_for_each_hentry(epb, node, &head->chain) {
+               if (!net_eq(sock_net(epb->sk), priv->net))
+                       continue;
                assoc = sctp_assoc(epb);
                list_for_each_entry(tsp, &assoc->peer.transport_addr_list,
                                        transports) {
@@ -489,14 +503,15 @@ static const struct seq_operations sctp_remaddr_ops = {
 };
 
 /* Cleanup the proc fs entry for 'remaddr' object. */
-void sctp_remaddr_proc_exit(void)
+void sctp_remaddr_proc_exit(struct net *net)
 {
-       remove_proc_entry("remaddr", proc_net_sctp);
+       remove_proc_entry("remaddr", net->sctp.proc_net_sctp);
 }
 
 static int sctp_remaddr_seq_open(struct inode *inode, struct file *file)
 {
-       return seq_open(file, &sctp_remaddr_ops);
+       return seq_open_net(inode, file, &sctp_remaddr_ops,
+                           sizeof(struct seq_net_private));
 }
 
 static const struct file_operations sctp_remaddr_seq_fops = {
@@ -506,11 +521,12 @@ static const struct file_operations sctp_remaddr_seq_fops = {
        .release = seq_release,
 };
 
-int __init sctp_remaddr_proc_init(void)
+int __net_init sctp_remaddr_proc_init(struct net *net)
 {
        struct proc_dir_entry *p;
 
-       p = proc_create("remaddr", S_IRUGO, proc_net_sctp, &sctp_remaddr_seq_fops);
+       p = proc_create("remaddr", S_IRUGO, net->sctp.proc_net_sctp,
+                       &sctp_remaddr_seq_fops);
        if (!p)
                return -ENOMEM;
        return 0;