addrconf.c (4c5ff6a6fe794f102479db998c69054319279e3c) addrconf.c (f2344a131bccdbfc5338e17fa71a807dee7944fa)
1/*
2 * IPv6 Address [auto]configuration
3 * Linux INET6 implementation
4 *
5 * Authors:
6 * Pedro Roque <roque@di.fc.ul.pt>
7 * Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
8 *

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1401 spin_unlock_bh(&ifp->lock);
1402 }
1403 ipv6_del_addr(ifp);
1404#endif
1405 } else
1406 ipv6_del_addr(ifp);
1407}
1408
1/*
2 * IPv6 Address [auto]configuration
3 * Linux INET6 implementation
4 *
5 * Authors:
6 * Pedro Roque <roque@di.fc.ul.pt>
7 * Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
8 *

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1401 spin_unlock_bh(&ifp->lock);
1402 }
1403 ipv6_del_addr(ifp);
1404#endif
1405 } else
1406 ipv6_del_addr(ifp);
1407}
1408
1409static int addrconf_dad_end(struct inet6_ifaddr *ifp)
1410{
1411 int err = -ENOENT;
1412
1413 spin_lock(&ifp->state_lock);
1414 if (ifp->state == INET6_IFADDR_STATE_DAD) {
1415 ifp->state = INET6_IFADDR_STATE_POSTDAD;
1416 err = 0;
1417 }
1418 spin_unlock(&ifp->state_lock);
1419
1420 return err;
1421}
1422
1409void addrconf_dad_failure(struct inet6_ifaddr *ifp)
1410{
1411 struct inet6_dev *idev = ifp->idev;
1412
1423void addrconf_dad_failure(struct inet6_ifaddr *ifp)
1424{
1425 struct inet6_dev *idev = ifp->idev;
1426
1427 if (addrconf_dad_end(ifp))
1428 return;
1429
1413 if (net_ratelimit())
1414 printk(KERN_INFO "%s: IPv6 duplicate address %pI6c detected!\n",
1415 ifp->idev->dev->name, &ifp->addr);
1416
1417 if (idev->cnf.accept_dad > 1 && !idev->cnf.disable_ipv6) {
1418 struct in6_addr addr;
1419
1420 addr.s6_addr32[0] = htonl(0xfe800000);

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2707 continue;
2708
2709 /* If it was tentative already, no need to notify */
2710 if (ifa->flags & IFA_F_TENTATIVE)
2711 continue;
2712
2713 /* Flag it for later restoration when link comes up */
2714 ifa->flags |= IFA_F_TENTATIVE;
1430 if (net_ratelimit())
1431 printk(KERN_INFO "%s: IPv6 duplicate address %pI6c detected!\n",
1432 ifp->idev->dev->name, &ifp->addr);
1433
1434 if (idev->cnf.accept_dad > 1 && !idev->cnf.disable_ipv6) {
1435 struct in6_addr addr;
1436
1437 addr.s6_addr32[0] = htonl(0xfe800000);

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2724 continue;
2725
2726 /* If it was tentative already, no need to notify */
2727 if (ifa->flags & IFA_F_TENTATIVE)
2728 continue;
2729
2730 /* Flag it for later restoration when link comes up */
2731 ifa->flags |= IFA_F_TENTATIVE;
2732 ifa->state = INET6_IFADDR_STATE_DAD;
2715
2716 write_unlock_bh(&idev->lock);
2717
2718 in6_ifa_hold(ifa);
2719 } else {
2720 list_del(&ifa->if_list);
2721
2722 /* clear hash table */

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2878}
2879
2880static void addrconf_dad_timer(unsigned long data)
2881{
2882 struct inet6_ifaddr *ifp = (struct inet6_ifaddr *) data;
2883 struct inet6_dev *idev = ifp->idev;
2884 struct in6_addr mcaddr;
2885
2733
2734 write_unlock_bh(&idev->lock);
2735
2736 in6_ifa_hold(ifa);
2737 } else {
2738 list_del(&ifa->if_list);
2739
2740 /* clear hash table */

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2896}
2897
2898static void addrconf_dad_timer(unsigned long data)
2899{
2900 struct inet6_ifaddr *ifp = (struct inet6_ifaddr *) data;
2901 struct inet6_dev *idev = ifp->idev;
2902 struct in6_addr mcaddr;
2903
2904 if (!ifp->probes && addrconf_dad_end(ifp))
2905 goto out;
2906
2886 read_lock(&idev->lock);
2887 if (idev->dead || !(idev->if_flags & IF_READY)) {
2888 read_unlock(&idev->lock);
2889 goto out;
2890 }
2891
2892 spin_lock(&ifp->lock);
2893 if (ifp->probes == 0) {

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2951
2952static void addrconf_dad_run(struct inet6_dev *idev)
2953{
2954 struct inet6_ifaddr *ifp;
2955
2956 read_lock_bh(&idev->lock);
2957 list_for_each_entry(ifp, &idev->addr_list, if_list) {
2958 spin_lock(&ifp->lock);
2907 read_lock(&idev->lock);
2908 if (idev->dead || !(idev->if_flags & IF_READY)) {
2909 read_unlock(&idev->lock);
2910 goto out;
2911 }
2912
2913 spin_lock(&ifp->lock);
2914 if (ifp->probes == 0) {

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2972
2973static void addrconf_dad_run(struct inet6_dev *idev)
2974{
2975 struct inet6_ifaddr *ifp;
2976
2977 read_lock_bh(&idev->lock);
2978 list_for_each_entry(ifp, &idev->addr_list, if_list) {
2979 spin_lock(&ifp->lock);
2959 if (!(ifp->flags & IFA_F_TENTATIVE)) {
2960 spin_unlock(&ifp->lock);
2961 continue;
2962 }
2980 if (ifp->flags & IFA_F_TENTATIVE &&
2981 ifp->state == INET6_IFADDR_STATE_DAD)
2982 addrconf_dad_kick(ifp);
2963 spin_unlock(&ifp->lock);
2983 spin_unlock(&ifp->lock);
2964 addrconf_dad_kick(ifp);
2965 }
2966 read_unlock_bh(&idev->lock);
2967}
2968
2969#ifdef CONFIG_PROC_FS
2970struct if6_iter_state {
2971 struct seq_net_private p;
2972 int bucket;

--- 1703 unchanged lines hidden --- 		2984 }
2985 read_unlock_bh(&idev->lock);
2986}
2987
2988#ifdef CONFIG_PROC_FS
2989struct if6_iter_state {
2990 struct seq_net_private p;
2991 int bucket;

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