From bff16c2f991386883dc81ec969ba15eb270a0c7f Mon Sep 17 00:00:00 2001 From: Pavel Emelyanov Date: Thu, 10 Jan 2008 17:42:13 -0800 Subject: [PATCH] [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 Signed-off-by: David S. Miller --- net/ipv6/addrconf.c | 24 ++++++++++++++---------- 1 file changed, 14 insertions(+), 10 deletions(-) diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 18d43349013e..bde50c686722 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -456,13 +456,13 @@ static void dev_forward_change(struct inet6_dev *idev) } -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_forward_change(void) 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 struct addrconf_sysctl_table }, }; -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 @@ static int __addrconf_sysctl_register(char *dev_name, int ctl_name, 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 @@ static int __addrconf_sysctl_register(char *dev_name, int ctl_name, 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 @@ static void addrconf_sysctl_register(struct inet6_dev *idev) 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 @@ int __init addrconf_init(void) 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