diff options
Diffstat (limited to 'net/ipv6/proc.c')
-rw-r--r-- | net/ipv6/proc.c | 127 |
1 files changed, 70 insertions, 57 deletions
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c index 0179b66..97c17fd 100644 --- a/net/ipv6/proc.c +++ b/net/ipv6/proc.c @@ -29,8 +29,6 @@ #include <net/transp_v6.h> #include <net/ipv6.h> -static struct proc_dir_entry *proc_net_devsnmp6; - static int sockstat6_seq_show(struct seq_file *seq, void *v) { struct net *net = seq->private; @@ -48,6 +46,19 @@ static int sockstat6_seq_show(struct seq_file *seq, void *v) return 0; } +static int sockstat6_seq_open(struct inode *inode, struct file *file) +{ + return single_open_net(inode, file, sockstat6_seq_show); +} + +static const struct file_operations sockstat6_seq_fops = { + .owner = THIS_MODULE, + .open = sockstat6_seq_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release_net, +}; + static struct snmp_mib snmp6_ipstats_list[] = { /* ipv6 mib according to RFC 2465 */ SNMP_MIB_ITEM("Ip6InReceives", IPSTATS_MIB_INRECEIVES), @@ -121,7 +132,7 @@ static struct snmp_mib snmp6_udplite6_list[] = { static void snmp6_seq_show_icmpv6msg(struct seq_file *seq, void **mib) { - static char name[32]; + char name[32]; int i; /* print by name -- deprecated items */ @@ -133,7 +144,7 @@ static void snmp6_seq_show_icmpv6msg(struct seq_file *seq, void **mib) p = icmp6type2name[icmptype]; if (!p) /* don't print un-named types here */ continue; - (void) snprintf(name, sizeof(name)-1, "Icmp6%s%s", + 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)); @@ -146,7 +157,7 @@ static void snmp6_seq_show_icmpv6msg(struct seq_file *seq, void **mib) val = snmp_fold_field(mib, i); if (!val) continue; - (void) snprintf(name, sizeof(name)-1, "Icmp6%sType%u", + snprintf(name, sizeof(name), "Icmp6%sType%u", i & 0x100 ? "Out" : "In", i & 0xff); seq_printf(seq, "%-32s\t%lu\n", name, val); } @@ -164,44 +175,52 @@ snmp6_seq_show_item(struct seq_file *seq, void **mib, struct snmp_mib *itemlist) static int snmp6_seq_show(struct seq_file *seq, void *v) { - struct inet6_dev *idev = (struct inet6_dev *)seq->private; - - if (idev) { - 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); - } else { - snmp6_seq_show_item(seq, (void **)ipv6_statistics, snmp6_ipstats_list); - snmp6_seq_show_item(seq, (void **)icmpv6_statistics, snmp6_icmp6_list); - snmp6_seq_show_icmpv6msg(seq, (void **)icmpv6msg_statistics); - snmp6_seq_show_item(seq, (void **)udp_stats_in6, snmp6_udp6_list); - snmp6_seq_show_item(seq, (void **)udplite_stats_in6, snmp6_udplite6_list); - } + 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); return 0; } -static int sockstat6_seq_open(struct inode *inode, struct file *file) +static int snmp6_seq_open(struct inode *inode, struct file *file) { - return single_open_net(inode, file, sockstat6_seq_show); + return single_open_net(inode, file, snmp6_seq_show); } -static const struct file_operations sockstat6_seq_fops = { +static const struct file_operations snmp6_seq_fops = { .owner = THIS_MODULE, - .open = sockstat6_seq_open, + .open = snmp6_seq_open, .read = seq_read, .llseek = seq_lseek, .release = single_release_net, }; -static int snmp6_seq_open(struct inode *inode, struct file *file) +static int snmp6_dev_seq_show(struct seq_file *seq, void *v) { - return single_open(file, snmp6_seq_show, PDE(inode)->data); + 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); + return 0; } -static const struct file_operations snmp6_seq_fops = { +static int snmp6_dev_seq_open(struct inode *inode, struct file *file) +{ + return single_open(file, snmp6_dev_seq_show, PDE(inode)->data); +} + +static const struct file_operations snmp6_dev_seq_fops = { .owner = THIS_MODULE, - .open = snmp6_seq_open, + .open = snmp6_dev_seq_open, .read = seq_read, .llseek = seq_lseek, .release = single_release, @@ -210,18 +229,18 @@ static const struct file_operations snmp6_seq_fops = { int snmp6_register_dev(struct inet6_dev *idev) { struct proc_dir_entry *p; + struct net *net; if (!idev || !idev->dev) return -EINVAL; - if (!net_eq(dev_net(idev->dev), &init_net)) - return 0; - - if (!proc_net_devsnmp6) + net = dev_net(idev->dev); + if (!net->mib.proc_net_devsnmp6) return -ENOENT; p = proc_create_data(idev->dev->name, S_IRUGO, - proc_net_devsnmp6, &snmp6_seq_fops, idev); + net->mib.proc_net_devsnmp6, + &snmp6_dev_seq_fops, idev); if (!p) return -ENOMEM; @@ -231,12 +250,13 @@ int snmp6_register_dev(struct inet6_dev *idev) int snmp6_unregister_dev(struct inet6_dev *idev) { - if (!proc_net_devsnmp6) + struct net *net = dev_net(idev->dev); + if (!net->mib.proc_net_devsnmp6) return -ENOENT; if (!idev || !idev->stats.proc_dir_entry) return -EINVAL; remove_proc_entry(idev->stats.proc_dir_entry->name, - proc_net_devsnmp6); + net->mib.proc_net_devsnmp6); idev->stats.proc_dir_entry = NULL; return 0; } @@ -246,12 +266,27 @@ static int ipv6_proc_init_net(struct net *net) if (!proc_net_fops_create(net, "sockstat6", S_IRUGO, &sockstat6_seq_fops)) return -ENOMEM; + + if (!proc_net_fops_create(net, "snmp6", S_IRUGO, &snmp6_seq_fops)) + goto proc_snmp6_fail; + + net->mib.proc_net_devsnmp6 = proc_mkdir("dev_snmp6", net->proc_net); + if (!net->mib.proc_net_devsnmp6) + 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"); + return -ENOMEM; } static void ipv6_proc_exit_net(struct net *net) { proc_net_remove(net, "sockstat6"); + proc_net_remove(net, "dev_snmp6"); + proc_net_remove(net, "snmp6"); } static struct pernet_operations ipv6_proc_ops = { @@ -261,33 +296,11 @@ static struct pernet_operations ipv6_proc_ops = { int __init ipv6_misc_proc_init(void) { - int rc = 0; - - if (register_pernet_subsys(&ipv6_proc_ops)) - goto proc_net_fail; - - if (!proc_net_fops_create(&init_net, "snmp6", S_IRUGO, &snmp6_seq_fops)) - goto proc_snmp6_fail; - - proc_net_devsnmp6 = proc_mkdir("dev_snmp6", init_net.proc_net); - if (!proc_net_devsnmp6) - goto proc_dev_snmp6_fail; -out: - return rc; - -proc_dev_snmp6_fail: - proc_net_remove(&init_net, "snmp6"); -proc_snmp6_fail: - unregister_pernet_subsys(&ipv6_proc_ops); -proc_net_fail: - rc = -ENOMEM; - goto out; + return register_pernet_subsys(&ipv6_proc_ops); } void ipv6_misc_proc_exit(void) { - proc_net_remove(&init_net, "dev_snmp6"); - proc_net_remove(&init_net, "snmp6"); unregister_pernet_subsys(&ipv6_proc_ops); } |