diff options
author | Eric W. Biederman <ebiederm@xmission.com> | 2012-08-06 08:45:15 +0000 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2012-08-14 23:29:53 -0700 |
commit | 13d782f6b4fbbaf9d0380a9947deb45a9de46ae7 (patch) | |
tree | a9b17830724d4470af1a37abec88902bd1a09aca /net/sctp/proc.c | |
parent | 632c928a6a77fe96cda34a9978e1f6019ffc38f4 (diff) | |
download | linux-13d782f6b4fbbaf9d0380a9947deb45a9de46ae7.tar.bz2 |
sctp: Make the proc files per network namespace.
- Convert all of the files under /proc/net/sctp to be per
network namespace.
- Don't print anything for /proc/net/sctp/snmp except in
the initial network namespaces as the snmp counters still
have to be converted to be per network namespace.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/proc.c')
-rw-r--r-- | net/sctp/proc.c | 59 |
1 files changed, 39 insertions, 20 deletions
diff --git a/net/sctp/proc.c b/net/sctp/proc.c index 1e2eee88c3ea..dc79a3aa0382 100644 --- a/net/sctp/proc.c +++ b/net/sctp/proc.c @@ -80,8 +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; + if (!net_eq(net, &init_net)) + return 0; + 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, @@ -93,7 +97,7 @@ 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 +109,12 @@ 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 +122,9 @@ 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 +202,7 @@ 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 +219,8 @@ 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 +246,8 @@ 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 +258,12 @@ 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 +271,9 @@ 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 +310,7 @@ 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 +327,8 @@ 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 +367,8 @@ 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 +379,11 @@ 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 +392,9 @@ 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 +426,7 @@ 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 +441,8 @@ 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 +506,15 @@ 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 +524,12 @@ 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; |