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Message-Id: <20180418003327.19992-7-dsahern@gmail.com>
Date: Tue, 17 Apr 2018 17:33:12 -0700
From: David Ahern <dsahern@...il.com>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, idosch@...sch.org, roopa@...ulusnetworks.com,
eric.dumazet@...il.com, weiwan@...gle.com, kafai@...com,
yoshfuji@...ux-ipv6.org, David Ahern <dsahern@...il.com>
Subject: [PATCH net-next v2 06/21] net/ipv6: Move support functions up in route.c
Code move only.
Signed-off-by: David Ahern <dsahern@...il.com>
---
net/ipv6/route.c | 119 +++++++++++++++++++++++++++----------------------------
1 file changed, 59 insertions(+), 60 deletions(-)
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 045811a3da76..0daf4c9c9f2b 100644
--- 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 @@ static void rt6_do_redirect(struct dst_entry *dst, struct sock *sk, struct sk_bu
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,
--
2.11.0
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