[NET]: Make /proc/net per network namespace

[linux-block.git] / net / decnet / dn_dev.c

diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index 5c2a9951b638346691b4801d27be5d036018c155..83cb0761336a723acc59253e3c03d2b848cedc1b 100644 (file)
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -42,6 +42,7 @@
 #include <linux/notifier.h>
 #include <asm/uaccess.h>
 #include <asm/system.h>
+#include <net/net_namespace.h>
 #include <net/neighbour.h>
 #include <net/dst.h>
 #include <net/flow.h>
@@ -461,7 +462,6 @@ static int dn_dev_insert_ifa(struct dn_dev *dn_db, struct dn_ifaddr *ifa)
                if (ifa->ifa_local != dn_eth2dn(dev->dev_addr)) {
                        dn_dn2eth(mac_addr, ifa->ifa_local);
                        dev_mc_add(dev, mac_addr, ETH_ALEN, 0);
-                       dev_mc_upload(dev);
                }
        }
 
@@ -638,7 +638,7 @@ static struct dn_dev *dn_dev_by_index(int ifindex)
        return dn_dev;
 }
 
-static struct nla_policy dn_ifa_policy[IFA_MAX+1] __read_mostly = {
+static const struct nla_policy dn_ifa_policy[IFA_MAX+1] = {
        [IFA_ADDRESS]           = { .type = NLA_U16 },
        [IFA_LOCAL]             = { .type = NLA_U16 },
        [IFA_LABEL]             = { .type = NLA_STRING,
@@ -799,9 +799,10 @@ static int dn_nl_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
        skip_ndevs = cb->args[0];
        skip_naddr = cb->args[1];
 
-       for (dev = dev_base, idx = 0; dev; dev = dev->next, idx++) {
+       idx = 0;
+       for_each_netdev(dev) {
                if (idx < skip_ndevs)
-                       continue;
+                       goto cont;
                else if (idx > skip_ndevs) {
                        /* Only skip over addresses for first dev dumped
                         * in this iteration (idx == skip_ndevs) */
@@ -809,7 +810,7 @@ static int dn_nl_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
                }
 
                if ((dn_db = dev->dn_ptr) == NULL)
-                       continue;
+                       goto cont;
 
                for (ifa = dn_db->ifa_list, dn_idx = 0; ifa;
                     ifa = ifa->ifa_next, dn_idx++) {
@@ -821,6 +822,8 @@ static int dn_nl_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
                                              NLM_F_MULTI) < 0)
                                goto done;
                }
+cont:
+               idx++;
        }
 done:
        cb->args[0] = idx;
@@ -1061,8 +1064,6 @@ static int dn_eth_up(struct net_device *dev)
        else
                dev_mc_add(dev, dn_rt_all_rt_mcast, ETH_ALEN, 0);
 
-       dev_mc_upload(dev);
-
        dn_db->use_long = 1;
 
        return 0;
@@ -1296,7 +1297,7 @@ void dn_dev_devices_off(void)
        struct net_device *dev;
 
        rtnl_lock();
-       for(dev = dev_base; dev; dev = dev->next)
+       for_each_netdev(dev)
                dn_dev_down(dev);
        rtnl_unlock();
 
@@ -1307,7 +1308,7 @@ void dn_dev_devices_on(void)
        struct net_device *dev;
 
        rtnl_lock();
-       for(dev = dev_base; dev; dev = dev->next) {
+       for_each_netdev(dev) {
                if (dev->flags & IFF_UP)
                        dn_dev_up(dev);
        }
@@ -1325,62 +1326,56 @@ int unregister_dnaddr_notifier(struct notifier_block *nb)
 }
 
 #ifdef CONFIG_PROC_FS
-static inline struct net_device *dn_dev_get_next(struct seq_file *seq, struct net_device *dev)
+static inline int is_dn_dev(struct net_device *dev)
 {
-       do {
-               dev = dev->next;
-       } while(dev && !dev->dn_ptr);
-
-       return dev;
+       return dev->dn_ptr != NULL;
 }
 
-static struct net_device *dn_dev_get_idx(struct seq_file *seq, loff_t pos)
+static void *dn_dev_seq_start(struct seq_file *seq, loff_t *pos)
 {
+       int i;
        struct net_device *dev;
 
-       dev = dev_base;
-       if (dev && !dev->dn_ptr)
-               dev = dn_dev_get_next(seq, dev);
-       if (pos) {
-               while(dev && (dev = dn_dev_get_next(seq, dev)))
-                       --pos;
-       }
-       return dev;
-}
+       read_lock(&dev_base_lock);
 
-static void *dn_dev_seq_start(struct seq_file *seq, loff_t *pos)
-{
-       if (*pos) {
-               struct net_device *dev;
-               read_lock(&dev_base_lock);
-               dev = dn_dev_get_idx(seq, *pos - 1);
-               if (dev == NULL)
-                       read_unlock(&dev_base_lock);
-               return dev;
+       if (*pos == 0)
+               return SEQ_START_TOKEN;
+
+       i = 1;
+       for_each_netdev(dev) {
+               if (!is_dn_dev(dev))
+                       continue;
+
+               if (i++ == *pos)
+                       return dev;
        }
-       return SEQ_START_TOKEN;
+
+       return NULL;
 }
 
 static void *dn_dev_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 {
-       struct net_device *dev = v;
-       loff_t one = 1;
+       struct net_device *dev;
 
-       if (v == SEQ_START_TOKEN) {
-               dev = dn_dev_seq_start(seq, &one);
-       } else {
-               dev = dn_dev_get_next(seq, dev);
-               if (dev == NULL)
-                       read_unlock(&dev_base_lock);
-       }
        ++*pos;
-       return dev;
+
+       dev = (struct net_device *)v;
+       if (v == SEQ_START_TOKEN)
+               dev = net_device_entry(&dev_base_head);
+
+       for_each_netdev_continue(dev) {
+               if (!is_dn_dev(dev))
+                       continue;
+
+               return dev;
+       }
+
+       return NULL;
 }
 
 static void dn_dev_seq_stop(struct seq_file *seq, void *v)
 {
-       if (v && v != SEQ_START_TOKEN)
-               read_unlock(&dev_base_lock);
+       read_unlock(&dev_base_lock);
 }
 
 static char *dn_type2asc(char type)
@@ -1422,7 +1417,7 @@ static int dn_dev_seq_show(struct seq_file *seq, void *v)
        return 0;
 }
 
-static struct seq_operations dn_dev_seq_ops = {
+static const struct seq_operations dn_dev_seq_ops = {
        .start  = dn_dev_seq_start,
        .next   = dn_dev_seq_next,
        .stop   = dn_dev_seq_stop,
@@ -1468,7 +1463,7 @@ void __init dn_dev_init(void)
        rtnl_register(PF_DECnet, RTM_DELADDR, dn_nl_deladdr, NULL);
        rtnl_register(PF_DECnet, RTM_GETADDR, NULL, dn_nl_dump_ifaddr);
 
-       proc_net_fops_create("decnet_dev", S_IRUGO, &dn_dev_seq_fops);
+       proc_net_fops_create(&init_net, "decnet_dev", S_IRUGO, &dn_dev_seq_fops);
 
 #ifdef CONFIG_SYSCTL
        {
@@ -1489,7 +1484,7 @@ void __exit dn_dev_cleanup(void)
        }
 #endif /* CONFIG_SYSCTL */
 
-       proc_net_remove("decnet_dev");
+       proc_net_remove(&init_net, "decnet_dev");
 
        dn_dev_devices_off();
 }