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-rw-r--r--net/ipv4/proc.c113
1 files changed, 43 insertions, 70 deletions
diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index 552169b41b16..834356ea99df 100644
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -7,8 +7,6 @@
* PROC file system. It is mainly used for debugging and
* statistics.
*
- * Version: $Id: proc.c,v 1.45 2001/05/16 16:45:35 davem Exp $
- *
* Authors: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
* Gerald J. Heim, <heim@peanuts.informatik.uni-tuebingen.de>
* Fred Baumgarten, <dc6iq@insu1.etec.uni-karlsruhe.de>
@@ -73,32 +71,7 @@ static int sockstat_seq_show(struct seq_file *seq, void *v)
static int sockstat_seq_open(struct inode *inode, struct file *file)
{
- int err;
- struct net *net;
-
- err = -ENXIO;
- net = get_proc_net(inode);
- if (net == NULL)
- goto err_net;
-
- err = single_open(file, sockstat_seq_show, net);
- if (err < 0)
- goto err_open;
-
- return 0;
-
-err_open:
- put_net(net);
-err_net:
- return err;
-}
-
-static int sockstat_seq_release(struct inode *inode, struct file *file)
-{
- struct net *net = ((struct seq_file *)file->private_data)->private;
-
- put_net(net);
- return single_release(inode, file);
+ return single_open_net(inode, file, sockstat_seq_show);
}
static const struct file_operations sockstat_seq_fops = {
@@ -106,7 +79,7 @@ static const struct file_operations sockstat_seq_fops = {
.open = sockstat_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = sockstat_seq_release,
+ .release = single_release_net,
};
/* snmp items */
@@ -268,11 +241,12 @@ static void icmpmsg_put(struct seq_file *seq)
int j, i, count;
static int out[PERLINE];
+ struct net *net = seq->private;
count = 0;
for (i = 0; i < ICMPMSG_MIB_MAX; i++) {
- if (snmp_fold_field((void **) icmpmsg_statistics, i))
+ if (snmp_fold_field((void **) net->mib.icmpmsg_statistics, i))
out[count++] = i;
if (count < PERLINE)
continue;
@@ -284,7 +258,7 @@ static void icmpmsg_put(struct seq_file *seq)
seq_printf(seq, "\nIcmpMsg: ");
for (j = 0; j < PERLINE; ++j)
seq_printf(seq, " %lu",
- snmp_fold_field((void **) icmpmsg_statistics,
+ snmp_fold_field((void **) net->mib.icmpmsg_statistics,
out[j]));
seq_putc(seq, '\n');
}
@@ -296,7 +270,7 @@ static void icmpmsg_put(struct seq_file *seq)
seq_printf(seq, "\nIcmpMsg:");
for (j = 0; j < count; ++j)
seq_printf(seq, " %lu", snmp_fold_field((void **)
- icmpmsg_statistics, out[j]));
+ net->mib.icmpmsg_statistics, out[j]));
}
#undef PERLINE
@@ -305,6 +279,7 @@ static void icmpmsg_put(struct seq_file *seq)
static void icmp_put(struct seq_file *seq)
{
int i;
+ struct net *net = seq->private;
seq_puts(seq, "\nIcmp: InMsgs InErrors");
for (i=0; icmpmibmap[i].name != NULL; i++)
@@ -313,18 +288,18 @@ static void icmp_put(struct seq_file *seq)
for (i=0; icmpmibmap[i].name != NULL; i++)
seq_printf(seq, " Out%s", icmpmibmap[i].name);
seq_printf(seq, "\nIcmp: %lu %lu",
- snmp_fold_field((void **) icmp_statistics, ICMP_MIB_INMSGS),
- snmp_fold_field((void **) icmp_statistics, ICMP_MIB_INERRORS));
+ snmp_fold_field((void **) net->mib.icmp_statistics, ICMP_MIB_INMSGS),
+ snmp_fold_field((void **) net->mib.icmp_statistics, ICMP_MIB_INERRORS));
for (i=0; icmpmibmap[i].name != NULL; i++)
seq_printf(seq, " %lu",
- snmp_fold_field((void **) icmpmsg_statistics,
+ snmp_fold_field((void **) net->mib.icmpmsg_statistics,
icmpmibmap[i].index));
seq_printf(seq, " %lu %lu",
- snmp_fold_field((void **) icmp_statistics, ICMP_MIB_OUTMSGS),
- snmp_fold_field((void **) icmp_statistics, ICMP_MIB_OUTERRORS));
+ snmp_fold_field((void **) net->mib.icmp_statistics, ICMP_MIB_OUTMSGS),
+ snmp_fold_field((void **) net->mib.icmp_statistics, ICMP_MIB_OUTERRORS));
for (i=0; icmpmibmap[i].name != NULL; i++)
seq_printf(seq, " %lu",
- snmp_fold_field((void **) icmpmsg_statistics,
+ snmp_fold_field((void **) net->mib.icmpmsg_statistics,
icmpmibmap[i].index | 0x100));
}
@@ -334,6 +309,7 @@ static void icmp_put(struct seq_file *seq)
static int snmp_seq_show(struct seq_file *seq, void *v)
{
int i;
+ struct net *net = seq->private;
seq_puts(seq, "Ip: Forwarding DefaultTTL");
@@ -341,12 +317,12 @@ static int snmp_seq_show(struct seq_file *seq, void *v)
seq_printf(seq, " %s", snmp4_ipstats_list[i].name);
seq_printf(seq, "\nIp: %d %d",
- IPV4_DEVCONF_ALL(&init_net, FORWARDING) ? 1 : 2,
+ IPV4_DEVCONF_ALL(net, FORWARDING) ? 1 : 2,
sysctl_ip_default_ttl);
for (i = 0; snmp4_ipstats_list[i].name != NULL; i++)
seq_printf(seq, " %lu",
- snmp_fold_field((void **)ip_statistics,
+ snmp_fold_field((void **)net->mib.ip_statistics,
snmp4_ipstats_list[i].entry));
icmp_put(seq); /* RFC 2011 compatibility */
@@ -361,11 +337,11 @@ static int snmp_seq_show(struct seq_file *seq, void *v)
/* MaxConn field is signed, RFC 2012 */
if (snmp4_tcp_list[i].entry == TCP_MIB_MAXCONN)
seq_printf(seq, " %ld",
- snmp_fold_field((void **)tcp_statistics,
+ snmp_fold_field((void **)net->mib.tcp_statistics,
snmp4_tcp_list[i].entry));
else
seq_printf(seq, " %lu",
- snmp_fold_field((void **)tcp_statistics,
+ snmp_fold_field((void **)net->mib.tcp_statistics,
snmp4_tcp_list[i].entry));
}
@@ -376,7 +352,7 @@ static int snmp_seq_show(struct seq_file *seq, void *v)
seq_puts(seq, "\nUdp:");
for (i = 0; snmp4_udp_list[i].name != NULL; i++)
seq_printf(seq, " %lu",
- snmp_fold_field((void **)udp_statistics,
+ snmp_fold_field((void **)net->mib.udp_statistics,
snmp4_udp_list[i].entry));
/* the UDP and UDP-Lite MIBs are the same */
@@ -387,7 +363,7 @@ static int snmp_seq_show(struct seq_file *seq, void *v)
seq_puts(seq, "\nUdpLite:");
for (i = 0; snmp4_udp_list[i].name != NULL; i++)
seq_printf(seq, " %lu",
- snmp_fold_field((void **)udplite_statistics,
+ snmp_fold_field((void **)net->mib.udplite_statistics,
snmp4_udp_list[i].entry));
seq_putc(seq, '\n');
@@ -396,7 +372,7 @@ static int snmp_seq_show(struct seq_file *seq, void *v)
static int snmp_seq_open(struct inode *inode, struct file *file)
{
- return single_open(file, snmp_seq_show, NULL);
+ return single_open_net(inode, file, snmp_seq_show);
}
static const struct file_operations snmp_seq_fops = {
@@ -404,7 +380,7 @@ static const struct file_operations snmp_seq_fops = {
.open = snmp_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = single_release,
+ .release = single_release_net,
};
@@ -415,6 +391,7 @@ static const struct file_operations snmp_seq_fops = {
static int netstat_seq_show(struct seq_file *seq, void *v)
{
int i;
+ struct net *net = seq->private;
seq_puts(seq, "TcpExt:");
for (i = 0; snmp4_net_list[i].name != NULL; i++)
@@ -423,7 +400,7 @@ static int netstat_seq_show(struct seq_file *seq, void *v)
seq_puts(seq, "\nTcpExt:");
for (i = 0; snmp4_net_list[i].name != NULL; i++)
seq_printf(seq, " %lu",
- snmp_fold_field((void **)net_statistics,
+ snmp_fold_field((void **)net->mib.net_statistics,
snmp4_net_list[i].entry));
seq_puts(seq, "\nIpExt:");
@@ -433,7 +410,7 @@ static int netstat_seq_show(struct seq_file *seq, void *v)
seq_puts(seq, "\nIpExt:");
for (i = 0; snmp4_ipextstats_list[i].name != NULL; i++)
seq_printf(seq, " %lu",
- snmp_fold_field((void **)ip_statistics,
+ snmp_fold_field((void **)net->mib.ip_statistics,
snmp4_ipextstats_list[i].entry));
seq_putc(seq, '\n');
@@ -442,7 +419,7 @@ static int netstat_seq_show(struct seq_file *seq, void *v)
static int netstat_seq_open(struct inode *inode, struct file *file)
{
- return single_open(file, netstat_seq_show, NULL);
+ return single_open_net(inode, file, netstat_seq_show);
}
static const struct file_operations netstat_seq_fops = {
@@ -450,18 +427,32 @@ static const struct file_operations netstat_seq_fops = {
.open = netstat_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = single_release,
+ .release = single_release_net,
};
static __net_init int ip_proc_init_net(struct net *net)
{
if (!proc_net_fops_create(net, "sockstat", S_IRUGO, &sockstat_seq_fops))
- return -ENOMEM;
+ goto out_sockstat;
+ if (!proc_net_fops_create(net, "netstat", S_IRUGO, &netstat_seq_fops))
+ goto out_netstat;
+ if (!proc_net_fops_create(net, "snmp", S_IRUGO, &snmp_seq_fops))
+ goto out_snmp;
+
return 0;
+
+out_snmp:
+ proc_net_remove(net, "netstat");
+out_netstat:
+ proc_net_remove(net, "sockstat");
+out_sockstat:
+ return -ENOMEM;
}
static __net_exit void ip_proc_exit_net(struct net *net)
{
+ proc_net_remove(net, "snmp");
+ proc_net_remove(net, "netstat");
proc_net_remove(net, "sockstat");
}
@@ -472,24 +463,6 @@ static __net_initdata struct pernet_operations ip_proc_ops = {
int __init ip_misc_proc_init(void)
{
- int rc = 0;
-
- if (register_pernet_subsys(&ip_proc_ops))
- goto out_pernet;
-
- if (!proc_net_fops_create(&init_net, "netstat", S_IRUGO, &netstat_seq_fops))
- goto out_netstat;
-
- if (!proc_net_fops_create(&init_net, "snmp", S_IRUGO, &snmp_seq_fops))
- goto out_snmp;
-out:
- return rc;
-out_snmp:
- proc_net_remove(&init_net, "netstat");
-out_netstat:
- unregister_pernet_subsys(&ip_proc_ops);
-out_pernet:
- rc = -ENOMEM;
- goto out;
+ return register_pernet_subsys(&ip_proc_ops);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-19 08:06:49 +0000