net/ipv6: Move support functions up in route.c

Code move only.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 045811a..0daf4c9 100644 (file)
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -78,7 +78,6 @@ enum rt6_nud_state {
        RT6_NUD_SUCCEED = 1
 };
 
-static void ip6_rt_copy_init(struct rt6_info *rt, struct rt6_info *ort);
 static struct dst_entry        *ip6_dst_check(struct dst_entry *dst, u32 cookie);
 static unsigned int     ip6_default_advmss(const struct dst_entry *dst);
 static unsigned int     ip6_mtu(const struct dst_entry *dst);
@@ -879,6 +878,65 @@ int rt6_route_rcv(struct net_device *dev, u8 *opt, int len,
 }
 #endif
 
+/*
+ *     Misc support functions
+ */
+
+/* called with rcu_lock held */
+static struct net_device *ip6_rt_get_dev_rcu(struct rt6_info *rt)
+{
+       struct net_device *dev = rt->dst.dev;
+
+       if (rt->rt6i_flags & (RTF_LOCAL | RTF_ANYCAST)) {
+               /* for copies of local routes, dst->dev needs to be the
+                * device if it is a master device, the master device if
+                * device is enslaved, and the loopback as the default
+                */
+               if (netif_is_l3_slave(dev) &&
+                   !rt6_need_strict(&rt->rt6i_dst.addr))
+                       dev = l3mdev_master_dev_rcu(dev);
+               else if (!netif_is_l3_master(dev))
+                       dev = dev_net(dev)->loopback_dev;
+               /* last case is netif_is_l3_master(dev) is true in which
+                * case we want dev returned to be dev
+                */
+       }
+
+       return dev;
+}
+
+static void rt6_set_from(struct rt6_info *rt, struct rt6_info *from)
+{
+       BUG_ON(from->from);
+
+       rt->rt6i_flags &= ~RTF_EXPIRES;
+       dst_hold(&from->dst);
+       rt->from = from;
+       dst_init_metrics(&rt->dst, dst_metrics_ptr(&from->dst), true);
+}
+
+static void ip6_rt_copy_init(struct rt6_info *rt, struct rt6_info *ort)
+{
+       rt->dst.input = ort->dst.input;
+       rt->dst.output = ort->dst.output;
+       rt->rt6i_dst = ort->rt6i_dst;
+       rt->dst.error = ort->dst.error;
+       rt->rt6i_idev = ort->rt6i_idev;
+       if (rt->rt6i_idev)
+               in6_dev_hold(rt->rt6i_idev);
+       rt->dst.lastuse = jiffies;
+       rt->rt6i_gateway = ort->rt6i_gateway;
+       rt->rt6i_flags = ort->rt6i_flags;
+       rt6_set_from(rt, ort);
+       rt->rt6i_metric = ort->rt6i_metric;
+#ifdef CONFIG_IPV6_SUBTREES
+       rt->rt6i_src = ort->rt6i_src;
+#endif
+       rt->rt6i_prefsrc = ort->rt6i_prefsrc;
+       rt->rt6i_table = ort->rt6i_table;
+       rt->dst.lwtstate = lwtstate_get(ort->dst.lwtstate);
+}
+
 static struct fib6_node* fib6_backtrack(struct fib6_node *fn,
                                        struct in6_addr *saddr)
 {
@@ -1024,29 +1082,6 @@ int ip6_ins_rt(struct net *net, struct rt6_info *rt)
        return __ip6_ins_rt(rt, &info, &mxc, NULL);
 }
 
-/* called with rcu_lock held */
-static struct net_device *ip6_rt_get_dev_rcu(struct rt6_info *rt)
-{
-       struct net_device *dev = rt->dst.dev;
-
-       if (rt->rt6i_flags & (RTF_LOCAL | RTF_ANYCAST)) {
-               /* for copies of local routes, dst->dev needs to be the
-                * device if it is a master device, the master device if
-                * device is enslaved, and the loopback as the default
-                */
-               if (netif_is_l3_slave(dev) &&
-                   !rt6_need_strict(&rt->rt6i_dst.addr))
-                       dev = l3mdev_master_dev_rcu(dev);
-               else if (!netif_is_l3_master(dev))
-                       dev = dev_net(dev)->loopback_dev;
-               /* last case is netif_is_l3_master(dev) is true in which
-                * case we want dev returned to be dev
-                */
-       }
-
-       return dev;
-}
-
 static struct rt6_info *ip6_rt_cache_alloc(struct rt6_info *ort,
                                           const struct in6_addr *daddr,
                                           const struct in6_addr *saddr)
@@ -3270,42 +3305,6 @@ out:
        neigh_release(neigh);
 }
 
-/*
- *     Misc support functions
- */
-
-static void rt6_set_from(struct rt6_info *rt, struct rt6_info *from)
-{
-       BUG_ON(from->from);
-
-       rt->rt6i_flags &= ~RTF_EXPIRES;
-       dst_hold(&from->dst);
-       rt->from = from;
-       dst_init_metrics(&rt->dst, dst_metrics_ptr(&from->dst), true);
-}
-
-static void ip6_rt_copy_init(struct rt6_info *rt, struct rt6_info *ort)
-{
-       rt->dst.input = ort->dst.input;
-       rt->dst.output = ort->dst.output;
-       rt->rt6i_dst = ort->rt6i_dst;
-       rt->dst.error = ort->dst.error;
-       rt->rt6i_idev = ort->rt6i_idev;
-       if (rt->rt6i_idev)
-               in6_dev_hold(rt->rt6i_idev);
-       rt->dst.lastuse = jiffies;
-       rt->rt6i_gateway = ort->rt6i_gateway;
-       rt->rt6i_flags = ort->rt6i_flags;
-       rt6_set_from(rt, ort);
-       rt->rt6i_metric = ort->rt6i_metric;
-#ifdef CONFIG_IPV6_SUBTREES
-       rt->rt6i_src = ort->rt6i_src;
-#endif
-       rt->rt6i_prefsrc = ort->rt6i_prefsrc;
-       rt->rt6i_table = ort->rt6i_table;
-       rt->dst.lwtstate = lwtstate_get(ort->dst.lwtstate);
-}
-
 #ifdef CONFIG_IPV6_ROUTE_INFO
 static struct rt6_info *rt6_get_route_info(struct net *net,
                                           const struct in6_addr *prefix, int prefixlen,