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Diffstat (limited to 'net/ipv6/proc.c')
-rw-r--r--net/ipv6/proc.c113
1 files changed, 73 insertions, 40 deletions
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index c9605c3ad91..3317440ea34 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -21,6 +21,7 @@
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/stddef.h>
+#include <linux/export.h>
#include <net/net_namespace.h>
#include <net/ip.h>
#include <net/sock.h>
@@ -59,7 +60,7 @@ static const struct file_operations sockstat6_seq_fops = {
.release = single_release_net,
};
-static struct snmp_mib snmp6_ipstats_list[] = {
+static const struct snmp_mib snmp6_ipstats_list[] = {
/* ipv6 mib according to RFC 2465 */
SNMP_MIB_ITEM("Ip6InReceives", IPSTATS_MIB_INPKTS),
SNMP_MIB_ITEM("Ip6InHdrErrors", IPSTATS_MIB_INHDRERRORS),
@@ -89,14 +90,21 @@ static struct snmp_mib snmp6_ipstats_list[] = {
SNMP_MIB_ITEM("Ip6OutMcastOctets", IPSTATS_MIB_OUTMCASTOCTETS),
SNMP_MIB_ITEM("Ip6InBcastOctets", IPSTATS_MIB_INBCASTOCTETS),
SNMP_MIB_ITEM("Ip6OutBcastOctets", IPSTATS_MIB_OUTBCASTOCTETS),
+ /* IPSTATS_MIB_CSUMERRORS is not relevant in IPv6 (no checksum) */
+ SNMP_MIB_ITEM("Ip6InNoECTPkts", IPSTATS_MIB_NOECTPKTS),
+ SNMP_MIB_ITEM("Ip6InECT1Pkts", IPSTATS_MIB_ECT1PKTS),
+ SNMP_MIB_ITEM("Ip6InECT0Pkts", IPSTATS_MIB_ECT0PKTS),
+ SNMP_MIB_ITEM("Ip6InCEPkts", IPSTATS_MIB_CEPKTS),
SNMP_MIB_SENTINEL
};
-static struct snmp_mib snmp6_icmp6_list[] = {
+static const struct snmp_mib snmp6_icmp6_list[] = {
/* icmpv6 mib according to RFC 2466 */
SNMP_MIB_ITEM("Icmp6InMsgs", ICMP6_MIB_INMSGS),
SNMP_MIB_ITEM("Icmp6InErrors", ICMP6_MIB_INERRORS),
SNMP_MIB_ITEM("Icmp6OutMsgs", ICMP6_MIB_OUTMSGS),
+ SNMP_MIB_ITEM("Icmp6OutErrors", ICMP6_MIB_OUTERRORS),
+ SNMP_MIB_ITEM("Icmp6InCsumErrors", ICMP6_MIB_CSUMERRORS),
SNMP_MIB_SENTINEL
};
@@ -120,23 +128,29 @@ static const char *const icmp6type2name[256] = {
};
-static struct snmp_mib snmp6_udp6_list[] = {
+static const struct snmp_mib snmp6_udp6_list[] = {
SNMP_MIB_ITEM("Udp6InDatagrams", UDP_MIB_INDATAGRAMS),
SNMP_MIB_ITEM("Udp6NoPorts", UDP_MIB_NOPORTS),
SNMP_MIB_ITEM("Udp6InErrors", UDP_MIB_INERRORS),
SNMP_MIB_ITEM("Udp6OutDatagrams", UDP_MIB_OUTDATAGRAMS),
+ SNMP_MIB_ITEM("Udp6RcvbufErrors", UDP_MIB_RCVBUFERRORS),
+ SNMP_MIB_ITEM("Udp6SndbufErrors", UDP_MIB_SNDBUFERRORS),
+ SNMP_MIB_ITEM("Udp6InCsumErrors", UDP_MIB_CSUMERRORS),
SNMP_MIB_SENTINEL
};
-static struct snmp_mib snmp6_udplite6_list[] = {
+static const struct snmp_mib snmp6_udplite6_list[] = {
SNMP_MIB_ITEM("UdpLite6InDatagrams", UDP_MIB_INDATAGRAMS),
SNMP_MIB_ITEM("UdpLite6NoPorts", UDP_MIB_NOPORTS),
SNMP_MIB_ITEM("UdpLite6InErrors", UDP_MIB_INERRORS),
SNMP_MIB_ITEM("UdpLite6OutDatagrams", UDP_MIB_OUTDATAGRAMS),
+ SNMP_MIB_ITEM("UdpLite6RcvbufErrors", UDP_MIB_RCVBUFERRORS),
+ SNMP_MIB_ITEM("UdpLite6SndbufErrors", UDP_MIB_SNDBUFERRORS),
+ SNMP_MIB_ITEM("UdpLite6InCsumErrors", UDP_MIB_CSUMERRORS),
SNMP_MIB_SENTINEL
};
-static void snmp6_seq_show_icmpv6msg(struct seq_file *seq, void **mib)
+static void snmp6_seq_show_icmpv6msg(struct seq_file *seq, atomic_long_t *smib)
{
char name[32];
int i;
@@ -153,45 +167,63 @@ static void snmp6_seq_show_icmpv6msg(struct seq_file *seq, void **mib)
snprintf(name, sizeof(name), "Icmp6%s%s",
i & 0x100 ? "Out" : "In", p);
seq_printf(seq, "%-32s\t%lu\n", name,
- snmp_fold_field(mib, i));
+ atomic_long_read(smib + i));
}
/* print by number (nonzero only) - ICMPMsgStat format */
for (i = 0; i < ICMP6MSG_MIB_MAX; i++) {
unsigned long val;
- val = snmp_fold_field(mib, i);
+ val = atomic_long_read(smib + i);
if (!val)
continue;
snprintf(name, sizeof(name), "Icmp6%sType%u",
i & 0x100 ? "Out" : "In", i & 0xff);
seq_printf(seq, "%-32s\t%lu\n", name, val);
}
- return;
}
-static inline void
-snmp6_seq_show_item(struct seq_file *seq, void **mib, struct snmp_mib *itemlist)
+/* can be called either with percpu mib (pcpumib != NULL),
+ * or shared one (smib != NULL)
+ */
+static void snmp6_seq_show_item(struct seq_file *seq, void __percpu *pcpumib,
+ atomic_long_t *smib,
+ const struct snmp_mib *itemlist)
+{
+ int i;
+ unsigned long val;
+
+ for (i = 0; itemlist[i].name; i++) {
+ val = pcpumib ?
+ snmp_fold_field(pcpumib, itemlist[i].entry) :
+ atomic_long_read(smib + itemlist[i].entry);
+ seq_printf(seq, "%-32s\t%lu\n", itemlist[i].name, val);
+ }
+}
+
+static void snmp6_seq_show_item64(struct seq_file *seq, void __percpu *mib,
+ const struct snmp_mib *itemlist, size_t syncpoff)
{
int i;
- for (i=0; itemlist[i].name; i++)
- seq_printf(seq, "%-32s\t%lu\n", itemlist[i].name,
- snmp_fold_field(mib, itemlist[i].entry));
+
+ for (i = 0; itemlist[i].name; i++)
+ seq_printf(seq, "%-32s\t%llu\n", itemlist[i].name,
+ snmp_fold_field64(mib, itemlist[i].entry, syncpoff));
}
static int snmp6_seq_show(struct seq_file *seq, void *v)
{
struct net *net = (struct net *)seq->private;
- snmp6_seq_show_item(seq, (void **)net->mib.ipv6_statistics,
- snmp6_ipstats_list);
- snmp6_seq_show_item(seq, (void **)net->mib.icmpv6_statistics,
- snmp6_icmp6_list);
- snmp6_seq_show_icmpv6msg(seq, (void **)net->mib.icmpv6msg_statistics);
- snmp6_seq_show_item(seq, (void **)net->mib.udp_stats_in6,
- snmp6_udp6_list);
- snmp6_seq_show_item(seq, (void **)net->mib.udplite_stats_in6,
- snmp6_udplite6_list);
+ snmp6_seq_show_item64(seq, net->mib.ipv6_statistics,
+ snmp6_ipstats_list, offsetof(struct ipstats_mib, syncp));
+ snmp6_seq_show_item(seq, net->mib.icmpv6_statistics,
+ NULL, snmp6_icmp6_list);
+ snmp6_seq_show_icmpv6msg(seq, net->mib.icmpv6msg_statistics->mibs);
+ snmp6_seq_show_item(seq, net->mib.udp_stats_in6,
+ NULL, snmp6_udp6_list);
+ snmp6_seq_show_item(seq, net->mib.udplite_stats_in6,
+ NULL, snmp6_udplite6_list);
return 0;
}
@@ -213,15 +245,17 @@ static int snmp6_dev_seq_show(struct seq_file *seq, void *v)
struct inet6_dev *idev = (struct inet6_dev *)seq->private;
seq_printf(seq, "%-32s\t%u\n", "ifIndex", idev->dev->ifindex);
- snmp6_seq_show_item(seq, (void **)idev->stats.ipv6, snmp6_ipstats_list);
- snmp6_seq_show_item(seq, (void **)idev->stats.icmpv6, snmp6_icmp6_list);
- snmp6_seq_show_icmpv6msg(seq, (void **)idev->stats.icmpv6msg);
+ snmp6_seq_show_item64(seq, idev->stats.ipv6,
+ snmp6_ipstats_list, offsetof(struct ipstats_mib, syncp));
+ snmp6_seq_show_item(seq, NULL, idev->stats.icmpv6dev->mibs,
+ snmp6_icmp6_list);
+ snmp6_seq_show_icmpv6msg(seq, idev->stats.icmpv6msgdev->mibs);
return 0;
}
static int snmp6_dev_seq_open(struct inode *inode, struct file *file)
{
- return single_open(file, snmp6_dev_seq_show, PDE(inode)->data);
+ return single_open(file, snmp6_dev_seq_show, PDE_DATA(inode));
}
static const struct file_operations snmp6_dev_seq_fops = {
@@ -259,21 +293,20 @@ int snmp6_unregister_dev(struct inet6_dev *idev)
struct net *net = dev_net(idev->dev);
if (!net->mib.proc_net_devsnmp6)
return -ENOENT;
- if (!idev || !idev->stats.proc_dir_entry)
+ if (!idev->stats.proc_dir_entry)
return -EINVAL;
- remove_proc_entry(idev->stats.proc_dir_entry->name,
- net->mib.proc_net_devsnmp6);
+ proc_remove(idev->stats.proc_dir_entry);
idev->stats.proc_dir_entry = NULL;
return 0;
}
-static int ipv6_proc_init_net(struct net *net)
+static int __net_init ipv6_proc_init_net(struct net *net)
{
- if (!proc_net_fops_create(net, "sockstat6", S_IRUGO,
- &sockstat6_seq_fops))
+ if (!proc_create("sockstat6", S_IRUGO, net->proc_net,
+ &sockstat6_seq_fops))
return -ENOMEM;
- if (!proc_net_fops_create(net, "snmp6", S_IRUGO, &snmp6_seq_fops))
+ if (!proc_create("snmp6", S_IRUGO, net->proc_net, &snmp6_seq_fops))
goto proc_snmp6_fail;
net->mib.proc_net_devsnmp6 = proc_mkdir("dev_snmp6", net->proc_net);
@@ -281,18 +314,18 @@ static int ipv6_proc_init_net(struct net *net)
goto proc_dev_snmp6_fail;
return 0;
-proc_snmp6_fail:
- proc_net_remove(net, "sockstat6");
proc_dev_snmp6_fail:
- proc_net_remove(net, "dev_snmp6");
+ remove_proc_entry("snmp6", net->proc_net);
+proc_snmp6_fail:
+ remove_proc_entry("sockstat6", net->proc_net);
return -ENOMEM;
}
-static void ipv6_proc_exit_net(struct net *net)
+static void __net_exit ipv6_proc_exit_net(struct net *net)
{
- proc_net_remove(net, "sockstat6");
- proc_net_remove(net, "dev_snmp6");
- proc_net_remove(net, "snmp6");
+ remove_proc_entry("sockstat6", net->proc_net);
+ remove_proc_entry("dev_snmp6", net->proc_net);
+ remove_proc_entry("snmp6", net->proc_net);
}
static struct pernet_operations ipv6_proc_ops = {
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 06:57:26 +0000