pr_warn("Freeing alive inet6 address %p\n", ifp);
return;
}
- ip6_rt_put(ifp->rt);
kfree_rcu(ifp, rcu);
}
goto out;
}
- rt = addrconf_dst_alloc(idev, addr, false);
+ rt = addrconf_dst_alloc(net, idev, addr, false, gfp_flags);
if (IS_ERR(rt)) {
err = PTR_ERR(rt);
rt = NULL;
if (net->ipv6.devconf_all->disable_policy ||
idev->cnf.disable_policy)
- rt->dst.flags |= DST_NOPOLICY;
+ rt->dst_nopolicy = true;
neigh_parms_data_state_setall(idev->nd_parms);
inet6addr_notifier_call_chain(NETDEV_UP, ifa);
out:
if (unlikely(err < 0)) {
- if (rt)
- ip6_rt_put(rt);
+ fib6_info_release(rt);
+
if (ifa) {
if (ifa->idev)
in6_dev_put(ifa->idev);
0, RTF_GATEWAY | RTF_DEFAULT);
if (rt) {
if (del_rt)
- ip6_del_rt(rt);
+ ip6_del_rt(dev_net(ifp->idev->dev), rt);
else {
if (!(rt->rt6i_flags & RTF_EXPIRES))
- rt6_set_expires(rt, expires);
- ip6_rt_put(rt);
+ fib6_set_expires(rt, expires);
+ fib6_info_release(rt);
}
}
}
static void
addrconf_prefix_route(struct in6_addr *pfx, int plen, struct net_device *dev,
- unsigned long expires, u32 flags)
+ unsigned long expires, u32 flags, gfp_t gfp_flags)
{
struct fib6_config cfg = {
.fc_table = l3mdev_fib_table(dev) ? : RT6_TABLE_PREFIX,
.fc_flags = RTF_UP | flags,
.fc_nlinfo.nl_net = dev_net(dev),
.fc_protocol = RTPROT_KERNEL,
+ .fc_type = RTN_UNICAST,
};
cfg.fc_dst = *pfx;
cfg.fc_flags |= RTF_NONEXTHOP;
#endif
- ip6_route_add(&cfg, NULL);
+ ip6_route_add(&cfg, gfp_flags, NULL);
}
goto out;
for_each_fib6_node_rt_rcu(fn) {
- if (rt->dst.dev->ifindex != dev->ifindex)
+ if (rt->fib6_nh.nh_dev->ifindex != dev->ifindex)
continue;
if ((rt->rt6i_flags & flags) != flags)
continue;
if ((rt->rt6i_flags & noflags) != 0)
continue;
- if (!dst_hold_safe(&rt->dst))
- rt = NULL;
+ fib6_info_hold(rt);
break;
}
out:
.fc_ifindex = dev->ifindex,
.fc_dst_len = 8,
.fc_flags = RTF_UP,
+ .fc_type = RTN_UNICAST,
.fc_nlinfo.nl_net = dev_net(dev),
};
ipv6_addr_set(&cfg.fc_dst, htonl(0xFF000000), 0, 0, 0);
- ip6_route_add(&cfg, NULL);
+ ip6_route_add(&cfg, GFP_ATOMIC, NULL);
}
static struct inet6_dev *addrconf_add_dev(struct net_device *dev)
if (IS_ERR_OR_NULL(ifp))
return -1;
- update_lft = 0;
create = 1;
spin_lock_bh(&ifp->lock);
ifp->flags |= IFA_F_MANAGETEMPADDR;
stored_lft = ifp->valid_lft - (now - ifp->tstamp) / HZ;
else
stored_lft = 0;
- if (!update_lft && !create && stored_lft) {
+ if (!create && stored_lft) {
const u32 minimum_lft = min_t(u32,
stored_lft, MIN_VALID_LIFETIME);
valid_lft = max(valid_lft, minimum_lft);
if (rt) {
/* Autoconf prefix route */
if (valid_lft == 0) {
- ip6_del_rt(rt);
+ ip6_del_rt(net, rt);
rt = NULL;
} else if (addrconf_finite_timeout(rt_expires)) {
/* not infinity */
- rt6_set_expires(rt, jiffies + rt_expires);
+ fib6_set_expires(rt, jiffies + rt_expires);
} else {
- rt6_clean_expires(rt);
+ fib6_clean_expires(rt);
}
} else if (valid_lft) {
clock_t expires = 0;
expires = jiffies_to_clock_t(rt_expires);
}
addrconf_prefix_route(&pinfo->prefix, pinfo->prefix_len,
- dev, expires, flags);
+ dev, expires, flags, GFP_ATOMIC);
}
- ip6_rt_put(rt);
+ fib6_info_release(rt);
}
/* Try to figure out our local address for this prefix */
if (!IS_ERR(ifp)) {
if (!(ifa_flags & IFA_F_NOPREFIXROUTE)) {
addrconf_prefix_route(&ifp->addr, ifp->prefix_len, dev,
- expires, flags);
+ expires, flags, GFP_KERNEL);
}
+ /* Send a netlink notification if DAD is enabled and
+ * optimistic flag is not set
+ */
+ if (!(ifp->flags & (IFA_F_OPTIMISTIC | IFA_F_NODAD)))
+ ipv6_ifa_notify(0, ifp);
/*
* Note that section 3.1 of RFC 4429 indicates
* that the Optimistic flag should not be set for
if (addr.s6_addr32[3]) {
add_addr(idev, &addr, plen, scope);
- addrconf_prefix_route(&addr, plen, idev->dev, 0, pflags);
+ addrconf_prefix_route(&addr, plen, idev->dev, 0, pflags,
+ GFP_ATOMIC);
return;
}
add_addr(idev, &addr, plen, flag);
addrconf_prefix_route(&addr, plen, idev->dev, 0,
- pflags);
+ pflags, GFP_ATOMIC);
}
}
}
ifp = ipv6_add_addr(idev, addr, NULL, 64, IFA_LINK, addr_flags,
INFINITY_LIFE_TIME, INFINITY_LIFE_TIME, true, NULL);
if (!IS_ERR(ifp)) {
- addrconf_prefix_route(&ifp->addr, ifp->prefix_len, idev->dev, 0, 0);
+ addrconf_prefix_route(&ifp->addr, ifp->prefix_len, idev->dev,
+ 0, 0, GFP_ATOMIC);
addrconf_dad_start(ifp);
in6_ifa_put(ifp);
}
addrconf_add_linklocal(idev, &addr,
IFA_F_STABLE_PRIVACY);
else if (prefix_route)
- addrconf_prefix_route(&addr, 64, idev->dev, 0, 0);
+ addrconf_prefix_route(&addr, 64, idev->dev,
+ 0, 0, GFP_KERNEL);
break;
case IN6_ADDR_GEN_MODE_EUI64:
/* addrconf_add_linklocal also adds a prefix_route and we
if (ipv6_generate_eui64(addr.s6_addr + 8, idev->dev) == 0)
addrconf_add_linklocal(idev, &addr, 0);
else if (prefix_route)
- addrconf_prefix_route(&addr, 64, idev->dev, 0, 0);
+ addrconf_prefix_route(&addr, 64, idev->dev,
+ 0, 0, GFP_ATOMIC);
break;
case IN6_ADDR_GEN_MODE_NONE:
default:
}
#endif
-static int fixup_permanent_addr(struct inet6_dev *idev,
+static int fixup_permanent_addr(struct net *net,
+ struct inet6_dev *idev,
struct inet6_ifaddr *ifp)
{
/* !rt6i_node means the host route was removed from the
if (!ifp->rt || !ifp->rt->rt6i_node) {
struct rt6_info *rt, *prev;
- rt = addrconf_dst_alloc(idev, &ifp->addr, false);
+ rt = addrconf_dst_alloc(net, idev, &ifp->addr, false,
+ GFP_ATOMIC);
if (IS_ERR(rt))
return PTR_ERR(rt);
ifp->rt = rt;
spin_unlock(&ifp->lock);
- ip6_rt_put(prev);
+ fib6_info_release(prev);
}
if (!(ifp->flags & IFA_F_NOPREFIXROUTE)) {
addrconf_prefix_route(&ifp->addr, ifp->prefix_len,
- idev->dev, 0, 0);
+ idev->dev, 0, 0, GFP_ATOMIC);
}
if (ifp->state == INET6_IFADDR_STATE_PREDAD)
return 0;
}
-static void addrconf_permanent_addr(struct net_device *dev)
+static void addrconf_permanent_addr(struct net *net, struct net_device *dev)
{
struct inet6_ifaddr *ifp, *tmp;
struct inet6_dev *idev;
list_for_each_entry_safe(ifp, tmp, &idev->addr_list, if_list) {
if ((ifp->flags & IFA_F_PERMANENT) &&
- fixup_permanent_addr(idev, ifp) < 0) {
+ fixup_permanent_addr(net, idev, ifp) < 0) {
write_unlock_bh(&idev->lock);
in6_ifa_hold(ifp);
ipv6_del_addr(ifp);
if (event == NETDEV_UP) {
/* restore routes for permanent addresses */
- addrconf_permanent_addr(dev);
+ addrconf_permanent_addr(net, dev);
if (!addrconf_link_ready(dev)) {
/* device is not ready yet. */
spin_unlock_bh(&ifa->lock);
if (rt)
- ip6_del_rt(rt);
+ ip6_del_rt(net, rt);
if (state != INET6_IFADDR_STATE_DEAD) {
__ipv6_ifa_notify(RTM_DELADDR, ifa);
struct inet6_dev *idev = ifp->idev;
struct net_device *dev = idev->dev;
bool bump_id, notify = false;
+ struct net *net;
addrconf_join_solict(dev, &ifp->addr);
if (ifp->state == INET6_IFADDR_STATE_DEAD)
goto out;
+ net = dev_net(dev);
if (dev->flags&(IFF_NOARP|IFF_LOOPBACK) ||
- (dev_net(dev)->ipv6.devconf_all->accept_dad < 1 &&
+ (net->ipv6.devconf_all->accept_dad < 1 &&
idev->cnf.accept_dad < 1) ||
!(ifp->flags&IFA_F_TENTATIVE) ||
ifp->flags & IFA_F_NODAD) {
* Frames right away
*/
if (ifp->flags & IFA_F_OPTIMISTIC) {
- ip6_ins_rt(ifp->rt);
- if (ipv6_use_optimistic_addr(dev_net(dev), idev)) {
+ ip6_ins_rt(net, ifp->rt);
+ if (ipv6_use_optimistic_addr(net, idev)) {
/* Because optimistic nodes can use this address,
* notify listeners. If DAD fails, RTM_DELADDR is sent.
*/
ipv6_ifa_notify(0, ifp);
if (!(ifa_flags & IFA_F_NOPREFIXROUTE)) {
- addrconf_prefix_route(&ifp->addr, ifp->prefix_len, ifp->idev->dev,
- expires, flags);
+ addrconf_prefix_route(&ifp->addr, ifp->prefix_len,
+ ifp->idev->dev, expires, flags,
+ GFP_KERNEL);
} else if (had_prefixroute) {
enum cleanup_prefix_rt_t action;
unsigned long rt_expires;
struct net *net = dev_net(ifa->idev->dev);
int err = -ENOBUFS;
- /* Don't send DELADDR notification for TENTATIVE address,
- * since NEWADDR notification is sent only after removing
- * TENTATIVE flag, if DAD has not failed.
- */
- if (ifa->flags & IFA_F_TENTATIVE && !(ifa->flags & IFA_F_DADFAILED) &&
- event == RTM_DELADDR)
- return;
-
skb = nlmsg_new(inet6_ifaddr_msgsize(), GFP_ATOMIC);
if (!skb)
goto errout;
* to do it again
*/
if (!rcu_access_pointer(ifp->rt->rt6i_node))
- ip6_ins_rt(ifp->rt);
+ ip6_ins_rt(net, ifp->rt);
if (ifp->idev->cnf.forwarding)
addrconf_join_anycast(ifp);
if (!ipv6_addr_any(&ifp->peer_addr))
addrconf_prefix_route(&ifp->peer_addr, 128,
- ifp->idev->dev, 0, 0);
+ ifp->idev->dev, 0, 0,
+ GFP_KERNEL);
break;
case RTM_DELADDR:
if (ifp->idev->cnf.forwarding)
rt = addrconf_get_prefix_route(&ifp->peer_addr, 128,
ifp->idev->dev, 0, 0);
if (rt)
- ip6_del_rt(rt);
+ ip6_del_rt(net, rt);
}
if (ifp->rt) {
- if (dst_hold_safe(&ifp->rt->dst))
- ip6_del_rt(ifp->rt);
+ ip6_del_rt(net, ifp->rt);
+ ifp->rt = NULL;
}
rt_genid_bump_ipv6(net);
break;
int cpu;
rcu_read_lock();
- addrconf_set_nopolicy(ifa->rt, val);
+ ifa->rt->dst_nopolicy = val ? true : false;
if (rt->rt6i_pcpu) {
for_each_possible_cpu(cpu) {
struct rt6_info **rtp;
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