Merge git://git.infradead.org/~dwmw2/iommu-2.6.32

[mv-sheeva.git] / net / ipv6 / addrconf.c

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 43b3c9f89c12c5dfac56d70eac73b8718ea73650..1fd0a3d775d26767dec15c78f599dc96b1c3c08d 100644 (file)
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -137,6 +137,8 @@ static DEFINE_SPINLOCK(addrconf_verify_lock);
 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);
@@ -1371,12 +1373,14 @@ struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net, const struct in6_addr *add
 
 /* 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
@@ -1403,8 +1407,8 @@ void addrconf_dad_failure(struct inet6_ifaddr *ifp)
        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;
@@ -1422,7 +1426,7 @@ void addrconf_dad_failure(struct inet6_ifaddr *ifp)
                }
        }
 
-       addrconf_dad_stop(ifp);
+       addrconf_dad_stop(ifp, 1);
 }
 
 /* Join to solicited addr multicast group. */
@@ -2580,6 +2584,10 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
                                return notifier_from_errno(err);
                }
                break;
+       case NETDEV_BONDING_OLDTYPE:
+       case NETDEV_BONDING_NEWTYPE:
+               addrconf_bonding_change(dev, event);
+               break;
        }
 
        return NOTIFY_OK;
@@ -2593,6 +2601,19 @@ static struct notifier_block ipv6_dev_notf = {
        .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;
@@ -2778,7 +2799,7 @@ static void addrconf_dad_start(struct inet6_ifaddr *ifp, u32 flags)
            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);
 
@@ -2795,7 +2816,7 @@ static void addrconf_dad_start(struct inet6_ifaddr *ifp, u32 flags)
                 * - otherwise, kill it.
                 */
                in6_ifa_hold(ifp);
-               addrconf_dad_stop(ifp);
+               addrconf_dad_stop(ifp, 0);
                return;
        }
 
@@ -2829,7 +2850,7 @@ static void addrconf_dad_timer(unsigned long data)
                 * 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);
 
@@ -3965,14 +3986,14 @@ static void ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp)
 #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);
@@ -4069,14 +4090,14 @@ static int addrconf_disable_ipv6(struct ctl_table *table, int *p, int old)
 }
 
 static
-int addrconf_sysctl_disable(ctl_table *ctl, int write, struct file * filp,
+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, filp, buffer, lenp, ppos);
+       ret = proc_dointvec(ctl, write, buffer, lenp, ppos);
 
        if (write)
                ret = addrconf_disable_ipv6(ctl, valp, val);