[NETNS]: Make the ctl-tables per-namespace
This includes passing the net to __addrconf_sysctl_register
and saving this on the ctl_table->extra2 to be used in
handlers (those, needing it).
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 18d4334..bde50c6 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -456,13 +456,13 @@
}
-static void addrconf_forward_change(void)
+static void addrconf_forward_change(struct net *net)
{
struct net_device *dev;
struct inet6_dev *idev;
read_lock(&dev_base_lock);
- for_each_netdev(&init_net, dev) {
+ for_each_netdev(net, dev) {
rcu_read_lock();
idev = __in6_dev_get(dev);
if (idev) {
@@ -478,12 +478,15 @@
static void addrconf_fixup_forwarding(struct ctl_table *table, int *p, int old)
{
+ struct net *net;
+
+ net = (struct net *)table->extra2;
if (p == &ipv6_devconf_dflt.forwarding)
return;
if (p == &ipv6_devconf.forwarding) {
ipv6_devconf_dflt.forwarding = ipv6_devconf.forwarding;
- addrconf_forward_change();
+ addrconf_forward_change(net);
} else if ((!*p) ^ (!old))
dev_forward_change((struct inet6_dev *)table->extra1);
@@ -4044,8 +4047,8 @@
},
};
-static int __addrconf_sysctl_register(char *dev_name, int ctl_name,
- struct inet6_dev *idev, struct ipv6_devconf *p)
+static int __addrconf_sysctl_register(struct net *net, char *dev_name,
+ int ctl_name, struct inet6_dev *idev, struct ipv6_devconf *p)
{
int i;
struct addrconf_sysctl_table *t;
@@ -4068,6 +4071,7 @@
for (i=0; t->addrconf_vars[i].data; i++) {
t->addrconf_vars[i].data += (char*)p - (char*)&ipv6_devconf;
t->addrconf_vars[i].extra1 = idev; /* embedded; no ref */
+ t->addrconf_vars[i].extra2 = net;
}
/*
@@ -4082,7 +4086,7 @@
addrconf_ctl_path[ADDRCONF_CTL_PATH_DEV].procname = t->dev_name;
addrconf_ctl_path[ADDRCONF_CTL_PATH_DEV].ctl_name = ctl_name;
- t->sysctl_header = register_sysctl_paths(addrconf_ctl_path,
+ t->sysctl_header = register_net_sysctl_table(net, addrconf_ctl_path,
t->addrconf_vars);
if (t->sysctl_header == NULL)
goto free_procname;
@@ -4118,8 +4122,8 @@
NET_IPV6_NEIGH, "ipv6",
&ndisc_ifinfo_sysctl_change,
NULL);
- __addrconf_sysctl_register(idev->dev->name, idev->dev->ifindex,
- idev, &idev->cnf);
+ __addrconf_sysctl_register(idev->dev->nd_net, idev->dev->name,
+ idev->dev->ifindex, idev, &idev->cnf);
}
static void addrconf_sysctl_unregister(struct inet6_dev *idev)
@@ -4215,9 +4219,9 @@
ipv6_addr_label_rtnl_register();
#ifdef CONFIG_SYSCTL
- __addrconf_sysctl_register("all", NET_PROTO_CONF_ALL,
+ __addrconf_sysctl_register(&init_net, "all", NET_PROTO_CONF_ALL,
NULL, &ipv6_devconf);
- __addrconf_sysctl_register("default", NET_PROTO_CONF_DEFAULT,
+ __addrconf_sysctl_register(&init_net, "default", NET_PROTO_CONF_DEFAULT,
NULL, &ipv6_devconf_dflt);
#endif