diff options
Diffstat (limited to 'net/ipv6/proc.c')
| -rw-r--r-- | net/ipv6/proc.c | 40 |
1 files changed, 26 insertions, 14 deletions
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c index 24b3558b8e67..18ff5df7ec02 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; } |