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Diffstat (limited to 'net')
-rw-r--r--net/ipv6/addrconf.c24
-rw-r--r--net/ipv6/proc.c40
2 files changed, 38 insertions, 26 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index f2f9b2e3cfe..3cfbbf3387a 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -289,19 +289,19 @@ static int snmp6_alloc_dev(struct inet6_dev *idev)
sizeof(struct ipstats_mib),
__alignof__(struct ipstats_mib)) < 0)
goto err_ip;
- if (snmp_mib_init((void __percpu **)idev->stats.icmpv6,
- sizeof(struct icmpv6_mib),
- __alignof__(struct icmpv6_mib)) < 0)
+ idev->stats.icmpv6dev = kzalloc(sizeof(struct icmpv6_mib_device),
+ GFP_KERNEL);
+ if (!idev->stats.icmpv6dev)
goto err_icmp;
- if (snmp_mib_init((void __percpu **)idev->stats.icmpv6msg,
- sizeof(struct icmpv6msg_mib),
- __alignof__(struct icmpv6msg_mib)) < 0)
+ idev->stats.icmpv6msgdev = kzalloc(sizeof(struct icmpv6msg_mib_device),
+ GFP_KERNEL);
+ if (!idev->stats.icmpv6msgdev)
goto err_icmpmsg;
return 0;
err_icmpmsg:
- snmp_mib_free((void __percpu **)idev->stats.icmpv6);
+ kfree(idev->stats.icmpv6dev);
err_icmp:
snmp_mib_free((void __percpu **)idev->stats.ipv6);
err_ip:
@@ -310,8 +310,8 @@ err_ip:
static void snmp6_free_dev(struct inet6_dev *idev)
{
- snmp_mib_free((void __percpu **)idev->stats.icmpv6msg);
- snmp_mib_free((void __percpu **)idev->stats.icmpv6);
+ kfree(idev->stats.icmpv6msgdev);
+ kfree(idev->stats.icmpv6dev);
snmp_mib_free((void __percpu **)idev->stats.ipv6);
}
@@ -3838,7 +3838,7 @@ static inline size_t inet6_if_nlmsg_size(void)
+ nla_total_size(inet6_ifla6_size()); /* IFLA_PROTINFO */
}
-static inline void __snmp6_fill_stats(u64 *stats, void __percpu **mib,
+static inline void __snmp6_fill_statsdev(u64 *stats, atomic_long_t *mib,
int items, int bytes)
{
int i;
@@ -3848,7 +3848,7 @@ static inline void __snmp6_fill_stats(u64 *stats, void __percpu **mib,
/* Use put_unaligned() because stats may not be aligned for u64. */
put_unaligned(items, &stats[0]);
for (i = 1; i < items; i++)
- put_unaligned(snmp_fold_field(mib, i), &stats[i]);
+ put_unaligned(atomic_long_read(&mib[i]), &stats[i]);
memset(&stats[items], 0, pad);
}
@@ -3877,7 +3877,7 @@ static void snmp6_fill_stats(u64 *stats, struct inet6_dev *idev, int attrtype,
IPSTATS_MIB_MAX, bytes, offsetof(struct ipstats_mib, syncp));
break;
case IFLA_INET6_ICMP6STATS:
- __snmp6_fill_stats(stats, (void __percpu **)idev->stats.icmpv6, ICMP6_MIB_MAX, bytes);
+ __snmp6_fill_statsdev(stats, idev->stats.icmpv6dev->mibs, ICMP6_MIB_MAX, bytes);
break;
}
}
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index 24b3558b8e6..18ff5df7ec0 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -141,7 +141,11 @@ static const struct snmp_mib snmp6_udplite6_list[] = {
SNMP_MIB_SENTINEL
};
-static void snmp6_seq_show_icmpv6msg(struct seq_file *seq, void __percpu **mib)
+/* can be called either with percpu mib (pcpumib != NULL),
+ * or shared one (smib != NULL)
+ */
+static void snmp6_seq_show_icmpv6msg(struct seq_file *seq, void __percpu **pcpumib,
+ atomic_long_t *smib)
{
char name[32];
int i;
@@ -158,14 +162,14 @@ static void snmp6_seq_show_icmpv6msg(struct seq_file *seq, void __percpu **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));
+ pcpumib ? snmp_fold_field(pcpumib, 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 = pcpumib ? snmp_fold_field(pcpumib, i) : atomic_long_read(smib + i);
if (!val)
continue;
snprintf(name, sizeof(name), "Icmp6%sType%u",
@@ -174,14 +178,22 @@ static void snmp6_seq_show_icmpv6msg(struct seq_file *seq, void __percpu **mib)
}
}
-static void snmp6_seq_show_item(struct seq_file *seq, void __percpu **mib,
+/* 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++)
- seq_printf(seq, "%-32s\t%lu\n", itemlist[i].name,
- snmp_fold_field(mib, itemlist[i].entry));
+ 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,
@@ -201,13 +213,13 @@ static int snmp6_seq_show(struct seq_file *seq, void *v)
snmp6_seq_show_item64(seq, (void __percpu **)net->mib.ipv6_statistics,
snmp6_ipstats_list, offsetof(struct ipstats_mib, syncp));
snmp6_seq_show_item(seq, (void __percpu **)net->mib.icmpv6_statistics,
- snmp6_icmp6_list);
+ NULL, snmp6_icmp6_list);
snmp6_seq_show_icmpv6msg(seq,
- (void __percpu **)net->mib.icmpv6msg_statistics);
+ (void __percpu **)net->mib.icmpv6msg_statistics, NULL);
snmp6_seq_show_item(seq, (void __percpu **)net->mib.udp_stats_in6,
- snmp6_udp6_list);
+ NULL, snmp6_udp6_list);
snmp6_seq_show_item(seq, (void __percpu **)net->mib.udplite_stats_in6,
- snmp6_udplite6_list);
+ NULL, snmp6_udplite6_list);
return 0;
}
@@ -229,11 +241,11 @@ 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 __percpu **)idev->stats.ipv6,
+ snmp6_seq_show_item(seq, (void __percpu **)idev->stats.ipv6, NULL,
snmp6_ipstats_list);
- snmp6_seq_show_item(seq, (void __percpu **)idev->stats.icmpv6,
+ snmp6_seq_show_item(seq, NULL, idev->stats.icmpv6dev->mibs,
snmp6_icmp6_list);
- snmp6_seq_show_icmpv6msg(seq, (void __percpu **)idev->stats.icmpv6msg);
+ snmp6_seq_show_icmpv6msg(seq, NULL, idev->stats.icmpv6msgdev->mibs);
return 0;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-03 14:01:55 +0000