#include <net/tcp.h>
#include <net/udp.h>
#include <net/udplite.h>
+#include <linux/bottom_half.h>
#include <linux/inetdevice.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
static int sockstat_seq_show(struct seq_file *seq, void *v)
{
struct net *net = seq->private;
+ int orphans, sockets;
+
+ local_bh_disable();
+ orphans = percpu_counter_sum_positive(&tcp_orphan_count);
+ sockets = percpu_counter_sum_positive(&tcp_sockets_allocated);
+ local_bh_enable();
socket_seq_show(seq);
seq_printf(seq, "TCP: inuse %d orphan %d tw %d alloc %d mem %d\n",
- sock_prot_inuse_get(net, &tcp_prot),
- atomic_read(&tcp_orphan_count),
- tcp_death_row.tw_count, atomic_read(&tcp_sockets_allocated),
+ sock_prot_inuse_get(net, &tcp_prot), orphans,
+ tcp_death_row.tw_count, sockets,
atomic_read(&tcp_memory_allocated));
seq_printf(seq, "UDP: inuse %d mem %d\n",
sock_prot_inuse_get(net, &udp_prot),
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 = {
.open = sockstat_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = sockstat_seq_release,
+ .release = single_release_net,
};
/* snmp items */
static const struct snmp_mib snmp4_ipstats_list[] = {
- SNMP_MIB_ITEM("InReceives", IPSTATS_MIB_INRECEIVES),
+ SNMP_MIB_ITEM("InReceives", IPSTATS_MIB_INPKTS),
SNMP_MIB_ITEM("InHdrErrors", IPSTATS_MIB_INHDRERRORS),
SNMP_MIB_ITEM("InAddrErrors", IPSTATS_MIB_INADDRERRORS),
SNMP_MIB_ITEM("ForwDatagrams", IPSTATS_MIB_OUTFORWDATAGRAMS),
SNMP_MIB_ITEM("InUnknownProtos", IPSTATS_MIB_INUNKNOWNPROTOS),
SNMP_MIB_ITEM("InDiscards", IPSTATS_MIB_INDISCARDS),
SNMP_MIB_ITEM("InDelivers", IPSTATS_MIB_INDELIVERS),
- SNMP_MIB_ITEM("OutRequests", IPSTATS_MIB_OUTREQUESTS),
+ SNMP_MIB_ITEM("OutRequests", IPSTATS_MIB_OUTPKTS),
SNMP_MIB_ITEM("OutDiscards", IPSTATS_MIB_OUTDISCARDS),
SNMP_MIB_ITEM("OutNoRoutes", IPSTATS_MIB_OUTNOROUTES),
SNMP_MIB_ITEM("ReasmTimeout", IPSTATS_MIB_REASMTIMEOUT),
SNMP_MIB_ITEM("OutMcastPkts", IPSTATS_MIB_OUTMCASTPKTS),
SNMP_MIB_ITEM("InBcastPkts", IPSTATS_MIB_INBCASTPKTS),
SNMP_MIB_ITEM("OutBcastPkts", IPSTATS_MIB_OUTBCASTPKTS),
+ SNMP_MIB_ITEM("InOctets", IPSTATS_MIB_INOCTETS),
+ SNMP_MIB_ITEM("OutOctets", IPSTATS_MIB_OUTOCTETS),
+ SNMP_MIB_ITEM("InMcastOctets", IPSTATS_MIB_INMCASTOCTETS),
+ SNMP_MIB_ITEM("OutMcastOctets", IPSTATS_MIB_OUTMCASTOCTETS),
+ SNMP_MIB_ITEM("InBcastOctets", IPSTATS_MIB_INBCASTOCTETS),
+ SNMP_MIB_ITEM("OutBcastOctets", IPSTATS_MIB_OUTBCASTOCTETS),
SNMP_MIB_SENTINEL
};
-static struct {
- char *name;
+static const struct {
+ const char *name;
int index;
} icmpmibmap[] = {
{ "DestUnreachs", ICMP_DEST_UNREACH },
SNMP_MIB_ITEM("TCPDSACKIgnoredOld", LINUX_MIB_TCPDSACKIGNOREDOLD),
SNMP_MIB_ITEM("TCPDSACKIgnoredNoUndo", LINUX_MIB_TCPDSACKIGNOREDNOUNDO),
SNMP_MIB_ITEM("TCPSpuriousRTOs", LINUX_MIB_TCPSPURIOUSRTOS),
+ SNMP_MIB_ITEM("TCPMD5NotFound", LINUX_MIB_TCPMD5NOTFOUND),
+ SNMP_MIB_ITEM("TCPMD5Unexpected", LINUX_MIB_TCPMD5UNEXPECTED),
+ SNMP_MIB_ITEM("TCPSackShifted", LINUX_MIB_SACKSHIFTED),
+ SNMP_MIB_ITEM("TCPSackMerged", LINUX_MIB_SACKMERGED),
+ SNMP_MIB_ITEM("TCPSackShiftFallback", LINUX_MIB_SACKSHIFTFALLBACK),
SNMP_MIB_SENTINEL
};
+static void icmpmsg_put_line(struct seq_file *seq, unsigned long *vals,
+ unsigned short *type, int count)
+{
+ int j;
+
+ if (count) {
+ seq_printf(seq, "\nIcmpMsg:");
+ for (j = 0; j < count; ++j)
+ seq_printf(seq, " %sType%u",
+ type[j] & 0x100 ? "Out" : "In",
+ type[j] & 0xff);
+ seq_printf(seq, "\nIcmpMsg:");
+ for (j = 0; j < count; ++j)
+ seq_printf(seq, " %lu", vals[j]);
+ }
+}
+
static void icmpmsg_put(struct seq_file *seq)
{
#define PERLINE 16
- int j, i, count;
- static int out[PERLINE];
+ int i, count;
+ unsigned short type[PERLINE];
+ unsigned long vals[PERLINE], val;
struct net *net = seq->private;
count = 0;
for (i = 0; i < ICMPMSG_MIB_MAX; i++) {
-
- if (snmp_fold_field((void **) net->mib.icmpmsg_statistics, i))
- out[count++] = i;
- if (count < PERLINE)
- continue;
-
- seq_printf(seq, "\nIcmpMsg:");
- for (j = 0; j < PERLINE; ++j)
- seq_printf(seq, " %sType%u", i & 0x100 ? "Out" : "In",
- i & 0xff);
- seq_printf(seq, "\nIcmpMsg: ");
- for (j = 0; j < PERLINE; ++j)
- seq_printf(seq, " %lu",
- snmp_fold_field((void **) net->mib.icmpmsg_statistics,
- out[j]));
- seq_putc(seq, '\n');
- }
- if (count) {
- seq_printf(seq, "\nIcmpMsg:");
- for (j = 0; j < count; ++j)
- seq_printf(seq, " %sType%u", out[j] & 0x100 ? "Out" :
- "In", out[j] & 0xff);
- seq_printf(seq, "\nIcmpMsg:");
- for (j = 0; j < count; ++j)
- seq_printf(seq, " %lu", snmp_fold_field((void **)
- net->mib.icmpmsg_statistics, out[j]));
+ val = snmp_fold_field((void **) net->mib.icmpmsg_statistics, i);
+ if (val) {
+ type[count] = i;
+ vals[count++] = val;
+ }
+ if (count == PERLINE) {
+ icmpmsg_put_line(seq, vals, type, count);
+ count = 0;
+ }
}
+ icmpmsg_put_line(seq, vals, type, count);
#undef PERLINE
}
static int snmp_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, snmp_seq_show, net);
- if (err < 0)
- goto err_open;
-
- return 0;
-
-err_open:
- put_net(net);
-err_net:
- return err;
-}
-
-static int snmp_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, snmp_seq_show);
}
static const struct file_operations snmp_seq_fops = {
.open = snmp_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = snmp_seq_release,
+ .release = single_release_net,
};
static int netstat_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, netstat_seq_show, net);
- if (err < 0)
- goto err_open;
-
- return 0;
-
-err_open:
- put_net(net);
-err_net:
- return err;
-}
-
-static int netstat_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, netstat_seq_show);
}
static const struct file_operations netstat_seq_fops = {
.open = netstat_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = netstat_seq_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))
proc_net_remove(net, "netstat");
out_netstat:
proc_net_remove(net, "sockstat");
+out_sockstat:
return -ENOMEM;
}
int __init ip_misc_proc_init(void)
{
- int rc = 0;
-
- if (register_pernet_subsys(&ip_proc_ops))
- goto out_pernet;
-
-out:
- return rc;
-
-out_pernet:
- rc = -ENOMEM;
- goto out;
+ return register_pernet_subsys(&ip_proc_ops);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff