#include <linux/errno.h>
#include <linux/types.h>
+#include <linux/kernel.h>
#include <linux/socket.h>
#include <linux/sockios.h>
#include <linux/net.h>
static void addrconf_join_anycast(struct inet6_ifaddr *ifp);
static void addrconf_leave_anycast(struct inet6_ifaddr *ifp);
+static void addrconf_bonding_change(struct net_device *dev,
+ unsigned long event);
static int addrconf_ifdown(struct net_device *dev, int how);
static void addrconf_dad_start(struct inet6_ifaddr *ifp, u32 flags);
struct net_device *dev;
struct inet6_dev *idev;
- read_lock(&dev_base_lock);
- for_each_netdev(net, dev) {
- rcu_read_lock();
+ rcu_read_lock();
+ for_each_netdev_rcu(net, dev) {
idev = __in6_dev_get(dev);
if (idev) {
int changed = (!idev->cnf.forwarding) ^ (!newf);
if (changed)
dev_forward_change(idev);
}
- rcu_read_unlock();
}
- read_unlock(&dev_base_lock);
+ rcu_read_unlock();
}
static int addrconf_fixup_forwarding(struct ctl_table *table, int *p, int old)
return 0;
if (!rtnl_trylock())
- return -ERESTARTSYS;
+ return restart_syscall();
if (p == &net->ipv6.devconf_all->forwarding) {
__s32 newf = net->ipv6.devconf_all->forwarding;
{
struct inet6_ifaddr *ifa = NULL;
struct rt6_info *rt;
- struct net *net = dev_net(idev->dev);
int hash;
int err = 0;
int addr_type = ipv6_addr_type(addr);
goto out2;
}
- if (idev->cnf.disable_ipv6 || net->ipv6.devconf_all->disable_ipv6) {
+ if (idev->cnf.disable_ipv6) {
err = -EACCES;
goto out2;
}
hiscore->rule = -1;
hiscore->ifa = NULL;
- read_lock(&dev_base_lock);
rcu_read_lock();
- for_each_netdev(net, dev) {
+ for_each_netdev_rcu(net, dev) {
struct inet6_dev *idev;
/* Candidate Source Address (section 4)
}
break;
} else if (minihiscore < miniscore) {
- struct ipv6_saddr_score *tmp;
-
if (hiscore->ifa)
in6_ifa_put(hiscore->ifa);
in6_ifa_hold(score->ifa);
- tmp = hiscore;
- hiscore = score;
- score = tmp;
+ swap(hiscore, score);
/* restore our iterator */
score->ifa = hiscore->ifa;
read_unlock_bh(&idev->lock);
}
rcu_read_unlock();
- read_unlock(&dev_base_lock);
if (!hiscore->ifa)
return -EADDRNOTAVAIL;
return ifp;
}
-int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2)
-{
- const struct in6_addr *sk_rcv_saddr6 = &inet6_sk(sk)->rcv_saddr;
- const struct in6_addr *sk2_rcv_saddr6 = inet6_rcv_saddr(sk2);
- __be32 sk_rcv_saddr = inet_sk(sk)->rcv_saddr;
- __be32 sk2_rcv_saddr = inet_rcv_saddr(sk2);
- int sk_ipv6only = ipv6_only_sock(sk);
- int sk2_ipv6only = inet_v6_ipv6only(sk2);
- int addr_type = ipv6_addr_type(sk_rcv_saddr6);
- int addr_type2 = sk2_rcv_saddr6 ? ipv6_addr_type(sk2_rcv_saddr6) : IPV6_ADDR_MAPPED;
-
- if (!sk2_rcv_saddr && !sk_ipv6only)
- return 1;
-
- if (addr_type2 == IPV6_ADDR_ANY &&
- !(sk2_ipv6only && addr_type == IPV6_ADDR_MAPPED))
- return 1;
-
- if (addr_type == IPV6_ADDR_ANY &&
- !(sk_ipv6only && addr_type2 == IPV6_ADDR_MAPPED))
- return 1;
-
- if (sk2_rcv_saddr6 &&
- ipv6_addr_equal(sk_rcv_saddr6, sk2_rcv_saddr6))
- return 1;
-
- if (addr_type == IPV6_ADDR_MAPPED &&
- !sk2_ipv6only &&
- (!sk2_rcv_saddr || !sk_rcv_saddr || sk_rcv_saddr == sk2_rcv_saddr))
- return 1;
-
- return 0;
-}
-
/* Gets referenced address, destroys ifaddr */
-static void addrconf_dad_stop(struct inet6_ifaddr *ifp)
+static void addrconf_dad_stop(struct inet6_ifaddr *ifp, int dad_failed)
{
if (ifp->flags&IFA_F_PERMANENT) {
spin_lock_bh(&ifp->lock);
addrconf_del_timer(ifp);
ifp->flags |= IFA_F_TENTATIVE;
+ if (dad_failed)
+ ifp->flags |= IFA_F_DADFAILED;
spin_unlock_bh(&ifp->lock);
in6_ifa_put(ifp);
#ifdef CONFIG_IPV6_PRIVACY
struct inet6_dev *idev = ifp->idev;
if (net_ratelimit())
- printk(KERN_INFO "%s: IPv6 duplicate address detected!\n",
- ifp->idev->dev->name);
+ printk(KERN_INFO "%s: IPv6 duplicate address %pI6c detected!\n",
+ ifp->idev->dev->name, &ifp->addr);
if (idev->cnf.accept_dad > 1 && !idev->cnf.disable_ipv6) {
struct in6_addr addr;
}
}
- addrconf_dad_stop(ifp);
+ addrconf_dad_stop(ifp, 1);
}
/* Join to solicited addr multicast group. */
int __ipv6_isatap_ifid(u8 *eui, __be32 addr)
{
+ if (addr == 0)
+ return -1;
eui[0] = (ipv4_is_zeronet(addr) || ipv4_is_private_10(addr) ||
ipv4_is_loopback(addr) || ipv4_is_linklocal_169(addr) ||
ipv4_is_private_172(addr) || ipv4_is_test_192(addr) ||
__u32 prefered_lft;
int addr_type;
struct inet6_dev *in6_dev;
+ struct net *net = dev_net(dev);
pinfo = (struct prefix_info *) opt;
if (addrconf_finite_timeout(rt_expires))
rt_expires *= HZ;
- rt = rt6_lookup(dev_net(dev), &pinfo->prefix, NULL,
+ rt = rt6_lookup(net, &pinfo->prefix, NULL,
dev->ifindex, 1);
if (rt && addrconf_is_prefix_route(rt)) {
struct inet6_ifaddr * ifp;
struct in6_addr addr;
int create = 0, update_lft = 0;
- struct net *net = dev_net(dev);
if (pinfo->prefix_len == 64) {
memcpy(&addr, &pinfo->prefix, 8);
update_lft = 1;
else if (stored_lft <= MIN_VALID_LIFETIME) {
/* valid_lft <= stored_lft is always true */
- /* XXX: IPsec */
- update_lft = 0;
+ /*
+ * RFC 4862 Section 5.5.3e:
+ * "Note that the preferred lifetime of
+ * the corresponding address is always
+ * reset to the Preferred Lifetime in
+ * the received Prefix Information
+ * option, regardless of whether the
+ * valid lifetime is also reset or
+ * ignored."
+ *
+ * So if the preferred lifetime in
+ * this advertisement is different
+ * than what we have stored, but the
+ * valid lifetime is invalid, just
+ * reset prefered_lft.
+ *
+ * We must set the valid lifetime
+ * to the stored lifetime since we'll
+ * be updating the timestamp below,
+ * else we'll set it back to the
+ * minumum.
+ */
+ if (prefered_lft != ifp->prefered_lft) {
+ valid_lft = stored_lft;
+ update_lft = 1;
+ }
} else {
valid_lft = MIN_VALID_LIFETIME;
if (valid_lft < prefered_lft)
return notifier_from_errno(err);
}
break;
+ case NETDEV_BONDING_OLDTYPE:
+ case NETDEV_BONDING_NEWTYPE:
+ addrconf_bonding_change(dev, event);
+ break;
}
return NOTIFY_OK;
.priority = 0
};
+static void addrconf_bonding_change(struct net_device *dev, unsigned long event)
+{
+ struct inet6_dev *idev;
+ ASSERT_RTNL();
+
+ idev = __in6_dev_get(dev);
+
+ if (event == NETDEV_BONDING_NEWTYPE)
+ ipv6_mc_remap(idev);
+ else if (event == NETDEV_BONDING_OLDTYPE)
+ ipv6_mc_unmap(idev);
+}
+
static int addrconf_ifdown(struct net_device *dev, int how)
{
struct inet6_dev *idev;
idev->cnf.accept_dad < 1 ||
!(ifp->flags&IFA_F_TENTATIVE) ||
ifp->flags & IFA_F_NODAD) {
- ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC);
+ ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC|IFA_F_DADFAILED);
spin_unlock_bh(&ifp->lock);
read_unlock_bh(&idev->lock);
spin_unlock_bh(&ifp->lock);
read_unlock_bh(&idev->lock);
/*
- * If the defice is not ready:
+ * If the device is not ready:
* - keep it tentative if it is a permanent address.
* - otherwise, kill it.
*/
in6_ifa_hold(ifp);
- addrconf_dad_stop(ifp);
+ addrconf_dad_stop(ifp, 0);
return;
}
* DAD was successful
*/
- ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC);
+ ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC|IFA_F_DADFAILED);
spin_unlock_bh(&ifp->lock);
read_unlock_bh(&idev->lock);
.release = seq_release_net,
};
-static int if6_proc_net_init(struct net *net)
+static int __net_init if6_proc_net_init(struct net *net)
{
if (!proc_net_fops_create(net, "if_inet6", S_IRUGO, &if6_fops))
return -ENOMEM;
return 0;
}
-static void if6_proc_net_exit(struct net *net)
+static void __net_exit if6_proc_net_exit(struct net *net)
{
proc_net_remove(net, "if_inet6");
}
spin_unlock(&ifp->lock);
continue;
} else if (age >= ifp->prefered_lft) {
- /* jiffies - ifp->tsamp > age >= ifp->prefered_lft */
+ /* jiffies - ifp->tstamp > age >= ifp->prefered_lft */
int deprecate = 0;
if (!(ifp->flags&IFA_F_DEPRECATED)) {
valid = ifa->valid_lft;
if (preferred != INFINITY_LIFE_TIME) {
long tval = (jiffies - ifa->tstamp)/HZ;
- preferred -= tval;
+ if (preferred > tval)
+ preferred -= tval;
+ else
+ preferred = 0;
if (valid != INFINITY_LIFE_TIME)
valid -= tval;
}
ANYCAST_ADDR,
};
+/* called with rcu_read_lock() */
+static int in6_dump_addrs(struct inet6_dev *idev, struct sk_buff *skb,
+ struct netlink_callback *cb, enum addr_type_t type,
+ int s_ip_idx, int *p_ip_idx)
+{
+ struct inet6_ifaddr *ifa;
+ struct ifmcaddr6 *ifmca;
+ struct ifacaddr6 *ifaca;
+ int err = 1;
+ int ip_idx = *p_ip_idx;
+
+ read_lock_bh(&idev->lock);
+ switch (type) {
+ case UNICAST_ADDR:
+ /* unicast address incl. temp addr */
+ for (ifa = idev->addr_list; ifa;
+ ifa = ifa->if_next, ip_idx++) {
+ if (ip_idx < s_ip_idx)
+ continue;
+ err = inet6_fill_ifaddr(skb, ifa,
+ NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq,
+ RTM_NEWADDR,
+ NLM_F_MULTI);
+ if (err <= 0)
+ break;
+ }
+ break;
+ case MULTICAST_ADDR:
+ /* multicast address */
+ for (ifmca = idev->mc_list; ifmca;
+ ifmca = ifmca->next, ip_idx++) {
+ if (ip_idx < s_ip_idx)
+ continue;
+ err = inet6_fill_ifmcaddr(skb, ifmca,
+ NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq,
+ RTM_GETMULTICAST,
+ NLM_F_MULTI);
+ if (err <= 0)
+ break;
+ }
+ break;
+ case ANYCAST_ADDR:
+ /* anycast address */
+ for (ifaca = idev->ac_list; ifaca;
+ ifaca = ifaca->aca_next, ip_idx++) {
+ if (ip_idx < s_ip_idx)
+ continue;
+ err = inet6_fill_ifacaddr(skb, ifaca,
+ NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq,
+ RTM_GETANYCAST,
+ NLM_F_MULTI);
+ if (err <= 0)
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+ read_unlock_bh(&idev->lock);
+ *p_ip_idx = ip_idx;
+ return err;
+}
+
static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
enum addr_type_t type)
{
+ struct net *net = sock_net(skb->sk);
+ int h, s_h;
int idx, ip_idx;
int s_idx, s_ip_idx;
- int err = 1;
struct net_device *dev;
- struct inet6_dev *idev = NULL;
- struct inet6_ifaddr *ifa;
- struct ifmcaddr6 *ifmca;
- struct ifacaddr6 *ifaca;
- struct net *net = sock_net(skb->sk);
+ struct inet6_dev *idev;
+ struct hlist_head *head;
+ struct hlist_node *node;
- s_idx = cb->args[0];
- s_ip_idx = ip_idx = cb->args[1];
+ s_h = cb->args[0];
+ s_idx = idx = cb->args[1];
+ s_ip_idx = ip_idx = cb->args[2];
- idx = 0;
- for_each_netdev(net, dev) {
- if (idx < s_idx)
- goto cont;
- if (idx > s_idx)
- s_ip_idx = 0;
- ip_idx = 0;
- if ((idev = in6_dev_get(dev)) == NULL)
- goto cont;
- read_lock_bh(&idev->lock);
- switch (type) {
- case UNICAST_ADDR:
- /* unicast address incl. temp addr */
- for (ifa = idev->addr_list; ifa;
- ifa = ifa->if_next, ip_idx++) {
- if (ip_idx < s_ip_idx)
- continue;
- err = inet6_fill_ifaddr(skb, ifa,
- NETLINK_CB(cb->skb).pid,
- cb->nlh->nlmsg_seq,
- RTM_NEWADDR,
- NLM_F_MULTI);
- }
- break;
- case MULTICAST_ADDR:
- /* multicast address */
- for (ifmca = idev->mc_list; ifmca;
- ifmca = ifmca->next, ip_idx++) {
- if (ip_idx < s_ip_idx)
- continue;
- err = inet6_fill_ifmcaddr(skb, ifmca,
- NETLINK_CB(cb->skb).pid,
- cb->nlh->nlmsg_seq,
- RTM_GETMULTICAST,
- NLM_F_MULTI);
- }
- break;
- case ANYCAST_ADDR:
- /* anycast address */
- for (ifaca = idev->ac_list; ifaca;
- ifaca = ifaca->aca_next, ip_idx++) {
- if (ip_idx < s_ip_idx)
- continue;
- err = inet6_fill_ifacaddr(skb, ifaca,
- NETLINK_CB(cb->skb).pid,
- cb->nlh->nlmsg_seq,
- RTM_GETANYCAST,
- NLM_F_MULTI);
- }
- break;
- default:
- break;
- }
- read_unlock_bh(&idev->lock);
- in6_dev_put(idev);
-
- if (err <= 0)
- break;
+ rcu_read_lock();
+ for (h = s_h; h < NETDEV_HASHENTRIES; h++, s_idx = 0) {
+ idx = 0;
+ head = &net->dev_index_head[h];
+ hlist_for_each_entry_rcu(dev, node, head, index_hlist) {
+ if (idx < s_idx)
+ goto cont;
+ if (idx > s_idx)
+ s_ip_idx = 0;
+ ip_idx = 0;
+ if ((idev = __in6_dev_get(dev)) == NULL)
+ goto cont;
+
+ if (in6_dump_addrs(idev, skb, cb, type,
+ s_ip_idx, &ip_idx) <= 0)
+ goto done;
cont:
- idx++;
+ idx++;
+ }
}
- cb->args[0] = idx;
- cb->args[1] = ip_idx;
+done:
+ rcu_read_unlock();
+ cb->args[0] = h;
+ cb->args[1] = idx;
+ cb->args[2] = ip_idx;
+
return skb->len;
}
#endif
array[DEVCONF_DISABLE_IPV6] = cnf->disable_ipv6;
array[DEVCONF_ACCEPT_DAD] = cnf->accept_dad;
+ array[DEVCONF_FORCE_TLLAO] = cnf->force_tllao;
}
static inline size_t inet6_if_nlmsg_size(void)
static int inet6_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
{
struct net *net = sock_net(skb->sk);
- int idx, err;
- int s_idx = cb->args[0];
+ int h, s_h;
+ int idx = 0, s_idx;
struct net_device *dev;
struct inet6_dev *idev;
+ struct hlist_head *head;
+ struct hlist_node *node;
- read_lock(&dev_base_lock);
- idx = 0;
- for_each_netdev(net, dev) {
- if (idx < s_idx)
- goto cont;
- if ((idev = in6_dev_get(dev)) == NULL)
- goto cont;
- err = inet6_fill_ifinfo(skb, idev, NETLINK_CB(cb->skb).pid,
- cb->nlh->nlmsg_seq, RTM_NEWLINK, NLM_F_MULTI);
- in6_dev_put(idev);
- if (err <= 0)
- break;
+ s_h = cb->args[0];
+ s_idx = cb->args[1];
+
+ rcu_read_lock();
+ for (h = s_h; h < NETDEV_HASHENTRIES; h++, s_idx = 0) {
+ idx = 0;
+ head = &net->dev_index_head[h];
+ hlist_for_each_entry_rcu(dev, node, head, index_hlist) {
+ if (idx < s_idx)
+ goto cont;
+ idev = __in6_dev_get(dev);
+ if (!idev)
+ goto cont;
+ if (inet6_fill_ifinfo(skb, idev,
+ NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq,
+ RTM_NEWLINK, NLM_F_MULTI) <= 0)
+ goto out;
cont:
- idx++;
+ idx++;
+ }
}
- read_unlock(&dev_base_lock);
- cb->args[0] = idx;
+out:
+ rcu_read_unlock();
+ cb->args[1] = idx;
+ cb->args[0] = h;
return skb->len;
}
#ifdef CONFIG_SYSCTL
static
-int addrconf_sysctl_forward(ctl_table *ctl, int write, struct file * filp,
+int addrconf_sysctl_forward(ctl_table *ctl, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
int *valp = ctl->data;
int val = *valp;
int ret;
- ret = proc_dointvec(ctl, write, filp, buffer, lenp, ppos);
+ ret = proc_dointvec(ctl, write, buffer, lenp, ppos);
if (write)
ret = addrconf_fixup_forwarding(ctl, valp, val);
return ret;
}
-static int addrconf_sysctl_forward_strategy(ctl_table *table,
- void __user *oldval,
- size_t __user *oldlenp,
- void __user *newval, size_t newlen)
+static void dev_disable_change(struct inet6_dev *idev)
{
- int *valp = table->data;
- int val = *valp;
- int new;
+ if (!idev || !idev->dev)
+ return;
- if (!newval || !newlen)
- return 0;
- if (newlen != sizeof(int))
- return -EINVAL;
- if (get_user(new, (int __user *)newval))
- return -EFAULT;
- if (new == *valp)
- return 0;
- if (oldval && oldlenp) {
- size_t len;
- if (get_user(len, oldlenp))
- return -EFAULT;
- if (len) {
- if (len > table->maxlen)
- len = table->maxlen;
- if (copy_to_user(oldval, valp, len))
- return -EFAULT;
- if (put_user(len, oldlenp))
- return -EFAULT;
+ if (idev->cnf.disable_ipv6)
+ addrconf_notify(NULL, NETDEV_DOWN, idev->dev);
+ else
+ addrconf_notify(NULL, NETDEV_UP, idev->dev);
+}
+
+static void addrconf_disable_change(struct net *net, __s32 newf)
+{
+ struct net_device *dev;
+ struct inet6_dev *idev;
+
+ rcu_read_lock();
+ for_each_netdev_rcu(net, dev) {
+ idev = __in6_dev_get(dev);
+ if (idev) {
+ int changed = (!idev->cnf.disable_ipv6) ^ (!newf);
+ idev->cnf.disable_ipv6 = newf;
+ if (changed)
+ dev_disable_change(idev);
}
}
+ rcu_read_unlock();
+}
+
+static int addrconf_disable_ipv6(struct ctl_table *table, int *p, int old)
+{
+ struct net *net;
+
+ net = (struct net *)table->extra2;
+
+ if (p == &net->ipv6.devconf_dflt->disable_ipv6)
+ return 0;
+
+ if (!rtnl_trylock())
+ return restart_syscall();
+
+ if (p == &net->ipv6.devconf_all->disable_ipv6) {
+ __s32 newf = net->ipv6.devconf_all->disable_ipv6;
+ net->ipv6.devconf_dflt->disable_ipv6 = newf;
+ addrconf_disable_change(net, newf);
+ } else if ((!*p) ^ (!old))
+ dev_disable_change((struct inet6_dev *)table->extra1);
+
+ rtnl_unlock();
+ return 0;
+}
+
+static
+int addrconf_sysctl_disable(ctl_table *ctl, int write,
+ void __user *buffer, size_t *lenp, loff_t *ppos)
+{
+ int *valp = ctl->data;
+ int val = *valp;
+ int ret;
+
+ ret = proc_dointvec(ctl, write, buffer, lenp, ppos);
- *valp = new;
- return addrconf_fixup_forwarding(table, valp, val);
+ if (write)
+ ret = addrconf_disable_ipv6(ctl, valp, val);
+ return ret;
}
static struct addrconf_sysctl_table
.sysctl_header = NULL,
.addrconf_vars = {
{
- .ctl_name = NET_IPV6_FORWARDING,
.procname = "forwarding",
.data = &ipv6_devconf.forwarding,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = addrconf_sysctl_forward,
- .strategy = addrconf_sysctl_forward_strategy,
},
{
- .ctl_name = NET_IPV6_HOP_LIMIT,
.procname = "hop_limit",
.data = &ipv6_devconf.hop_limit,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec,
},
{
- .ctl_name = NET_IPV6_MTU,
.procname = "mtu",
.data = &ipv6_devconf.mtu6,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec,
},
{
- .ctl_name = NET_IPV6_ACCEPT_RA,
.procname = "accept_ra",
.data = &ipv6_devconf.accept_ra,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec,
},
{
- .ctl_name = NET_IPV6_ACCEPT_REDIRECTS,
.procname = "accept_redirects",
.data = &ipv6_devconf.accept_redirects,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec,
},
{
- .ctl_name = NET_IPV6_AUTOCONF,
.procname = "autoconf",
.data = &ipv6_devconf.autoconf,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec,
},
{
- .ctl_name = NET_IPV6_DAD_TRANSMITS,
.procname = "dad_transmits",
.data = &ipv6_devconf.dad_transmits,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec,
},
{
- .ctl_name = NET_IPV6_RTR_SOLICITS,
.procname = "router_solicitations",
.data = &ipv6_devconf.rtr_solicits,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec,
},
{
- .ctl_name = NET_IPV6_RTR_SOLICIT_INTERVAL,
.procname = "router_solicitation_interval",
.data = &ipv6_devconf.rtr_solicit_interval,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_jiffies,
- .strategy = sysctl_jiffies,
},
{
- .ctl_name = NET_IPV6_RTR_SOLICIT_DELAY,
.procname = "router_solicitation_delay",
.data = &ipv6_devconf.rtr_solicit_delay,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_jiffies,
- .strategy = sysctl_jiffies,
},
{
- .ctl_name = NET_IPV6_FORCE_MLD_VERSION,
.procname = "force_mld_version",
.data = &ipv6_devconf.force_mld_version,
.maxlen = sizeof(int),
},
#ifdef CONFIG_IPV6_PRIVACY
{
- .ctl_name = NET_IPV6_USE_TEMPADDR,
.procname = "use_tempaddr",
.data = &ipv6_devconf.use_tempaddr,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec,
},
{
- .ctl_name = NET_IPV6_TEMP_VALID_LFT,
.procname = "temp_valid_lft",
.data = &ipv6_devconf.temp_valid_lft,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec,
},
{
- .ctl_name = NET_IPV6_TEMP_PREFERED_LFT,
.procname = "temp_prefered_lft",
.data = &ipv6_devconf.temp_prefered_lft,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec,
},
{
- .ctl_name = NET_IPV6_REGEN_MAX_RETRY,
.procname = "regen_max_retry",
.data = &ipv6_devconf.regen_max_retry,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec,
},
{
- .ctl_name = NET_IPV6_MAX_DESYNC_FACTOR,
.procname = "max_desync_factor",
.data = &ipv6_devconf.max_desync_factor,
.maxlen = sizeof(int),
},
#endif
{
- .ctl_name = NET_IPV6_MAX_ADDRESSES,
.procname = "max_addresses",
.data = &ipv6_devconf.max_addresses,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec,
},
{
- .ctl_name = NET_IPV6_ACCEPT_RA_DEFRTR,
.procname = "accept_ra_defrtr",
.data = &ipv6_devconf.accept_ra_defrtr,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec,
},
{
- .ctl_name = NET_IPV6_ACCEPT_RA_PINFO,
.procname = "accept_ra_pinfo",
.data = &ipv6_devconf.accept_ra_pinfo,
.maxlen = sizeof(int),
},
#ifdef CONFIG_IPV6_ROUTER_PREF
{
- .ctl_name = NET_IPV6_ACCEPT_RA_RTR_PREF,
.procname = "accept_ra_rtr_pref",
.data = &ipv6_devconf.accept_ra_rtr_pref,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec,
},
{
- .ctl_name = NET_IPV6_RTR_PROBE_INTERVAL,
.procname = "router_probe_interval",
.data = &ipv6_devconf.rtr_probe_interval,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec_jiffies,
- .strategy = sysctl_jiffies,
},
#ifdef CONFIG_IPV6_ROUTE_INFO
{
- .ctl_name = NET_IPV6_ACCEPT_RA_RT_INFO_MAX_PLEN,
.procname = "accept_ra_rt_info_max_plen",
.data = &ipv6_devconf.accept_ra_rt_info_max_plen,
.maxlen = sizeof(int),
#endif
#endif
{
- .ctl_name = NET_IPV6_PROXY_NDP,
.procname = "proxy_ndp",
.data = &ipv6_devconf.proxy_ndp,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec,
},
{
- .ctl_name = NET_IPV6_ACCEPT_SOURCE_ROUTE,
.procname = "accept_source_route",
.data = &ipv6_devconf.accept_source_route,
.maxlen = sizeof(int),
},
#ifdef CONFIG_IPV6_OPTIMISTIC_DAD
{
- .ctl_name = CTL_UNNUMBERED,
.procname = "optimistic_dad",
.data = &ipv6_devconf.optimistic_dad,
.maxlen = sizeof(int),
#endif
#ifdef CONFIG_IPV6_MROUTE
{
- .ctl_name = CTL_UNNUMBERED,
.procname = "mc_forwarding",
.data = &ipv6_devconf.mc_forwarding,
.maxlen = sizeof(int),
},
#endif
{
- .ctl_name = CTL_UNNUMBERED,
.procname = "disable_ipv6",
.data = &ipv6_devconf.disable_ipv6,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = proc_dointvec,
+ .proc_handler = addrconf_sysctl_disable,
},
{
- .ctl_name = CTL_UNNUMBERED,
.procname = "accept_dad",
.data = &ipv6_devconf.accept_dad,
.maxlen = sizeof(int),
.proc_handler = proc_dointvec,
},
{
- .ctl_name = 0, /* sentinel */
+ .procname = "force_tllao",
+ .data = &ipv6_devconf.force_tllao,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec
+ },
+ {
+ /* sentinel */
}
},
};
static int __addrconf_sysctl_register(struct net *net, char *dev_name,
- int ctl_name, struct inet6_dev *idev, struct ipv6_devconf *p)
+ struct inet6_dev *idev, struct ipv6_devconf *p)
{
int i;
struct addrconf_sysctl_table *t;
#define ADDRCONF_CTL_PATH_DEV 3
struct ctl_path addrconf_ctl_path[] = {
- { .procname = "net", .ctl_name = CTL_NET, },
- { .procname = "ipv6", .ctl_name = NET_IPV6, },
- { .procname = "conf", .ctl_name = NET_IPV6_CONF, },
+ { .procname = "net", },
+ { .procname = "ipv6", },
+ { .procname = "conf", },
{ /* to be set */ },
{ },
};
goto free;
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_net_sysctl_table(net, addrconf_ctl_path,
t->addrconf_vars);
{
neigh_sysctl_register(idev->dev, idev->nd_parms, NET_IPV6,
NET_IPV6_NEIGH, "ipv6",
- &ndisc_ifinfo_sysctl_change,
- ndisc_ifinfo_sysctl_strategy);
+ &ndisc_ifinfo_sysctl_change);
__addrconf_sysctl_register(dev_net(idev->dev), idev->dev->name,
- idev->dev->ifindex, idev, &idev->cnf);
+ idev, &idev->cnf);
}
static void addrconf_sysctl_unregister(struct inet6_dev *idev)
#endif
-static int addrconf_init_net(struct net *net)
+static int __net_init addrconf_init_net(struct net *net)
{
int err;
struct ipv6_devconf *all, *dflt;
all = &ipv6_devconf;
dflt = &ipv6_devconf_dflt;
- if (net != &init_net) {
+ if (!net_eq(net, &init_net)) {
all = kmemdup(all, sizeof(ipv6_devconf), GFP_KERNEL);
if (all == NULL)
goto err_alloc_all;
dflt = kmemdup(dflt, sizeof(ipv6_devconf_dflt), GFP_KERNEL);
if (dflt == NULL)
goto err_alloc_dflt;
+ } else {
+ /* these will be inherited by all namespaces */
+ dflt->autoconf = ipv6_defaults.autoconf;
+ dflt->disable_ipv6 = ipv6_defaults.disable_ipv6;
}
net->ipv6.devconf_all = all;
net->ipv6.devconf_dflt = dflt;
#ifdef CONFIG_SYSCTL
- err = __addrconf_sysctl_register(net, "all", NET_PROTO_CONF_ALL,
- NULL, all);
+ err = __addrconf_sysctl_register(net, "all", NULL, all);
if (err < 0)
goto err_reg_all;
- err = __addrconf_sysctl_register(net, "default", NET_PROTO_CONF_DEFAULT,
- NULL, dflt);
+ err = __addrconf_sysctl_register(net, "default", NULL, dflt);
if (err < 0)
goto err_reg_dflt;
#endif
return err;
}
-static void addrconf_exit_net(struct net *net)
+static void __net_exit addrconf_exit_net(struct net *net)
{
#ifdef CONFIG_SYSCTL
__addrconf_sysctl_unregister(net->ipv6.devconf_dflt);
__addrconf_sysctl_unregister(net->ipv6.devconf_all);
#endif
- if (net != &init_net) {
+ if (!net_eq(net, &init_net)) {
kfree(net->ipv6.devconf_dflt);
kfree(net->ipv6.devconf_all);
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff